KR20240154639A - Air conditioning unit - Google Patents

Abstract

The present invention provides an air conditioning apparatus for solving the technical problem that maintenance work of an electric control box in an air conditioning apparatus is difficult. The air conditioning apparatus provided by the present invention includes a casing and an electric control box, wherein the electric control box is installed in the casing; the electric control box includes a box assembly, a circuit board assembly and a heat exchanger assembly, the box assembly includes a box body and a connecting sheet, wherein the circuit board assembly is fixed in the box body, and the heat exchanger assembly is connected to the connecting sheet; the box body and the heat exchanger assembly are movably connected, and the box body has a first position and a second position with respect to the heat exchanger assembly, wherein when the box body is located at the first position with respect to the heat exchanger assembly, the box body and the heat exchanger assembly are surrounded together to form a receiving cavity; and when the box body is located at the second position with respect to the heat exchanger assembly, the box body and the heat exchanger assembly are in a separated state.

Description

Air conditioning unit

This application claims the benefit of Chinese patent application entitled “AIR CONDITIONING DEVICE” having application number 202211037776.1 and filed with the State Intellectual Property Office of China on August 27, 2022, the entire contents of which are incorporated herein by reference. This application claims the benefit of Chinese patent application entitled “AIR CONDITIONING DEVICE” having application number 202222281275.X and filed with the State Intellectual Property Office of China on August 27, 2022, the entire contents of which are incorporated herein by reference. This application claims the benefit of Chinese patent application entitled “AIR CONDITIONING DEVICE” having application number 202211034394.3 and filed with the State Intellectual Property Office of China on August 27, 2022, the entire contents of which are incorporated herein by reference. This application claims the benefit of a Chinese patent application entitled “AIR CONDITIONING DEVICE”, filed with the State Intellectual Property Office of China on August 27, 2022, with application number 202222281203.5, the entire contents of which are incorporated herein by reference.

The present invention relates to the field of air conditioning equipment technology, and more specifically, to an air conditioning device.

As a widely used temperature and humidity control device, an air conditioner generally includes components such as a compressor, an evaporator, a condenser, a fan, etc., and a refrigerant circulation loop is formed. An electric control box is installed in the air conditioner to control the operation of each component, and electronic components are installed in the electric control box. Since the electronic components generate heat when working, the temperature inside the electric control box is high. Therefore, the electronic components of the electric control box have a high failure rate and often require inspection and maintenance. However, since the electric control box is installed inside the outdoor air conditioner, it is inconvenient to attach and detach it for inspection and maintenance.

The main purpose of the present invention is to provide an air conditioning device for solving the complex problem of maintenance and removal work of an electric control box.

To achieve the above object, the present invention provides an air conditioning device, which includes a casing and an electric control box, wherein the electric control box is installed in the casing; the electric control box includes a box body assembly, a circuit board assembly and a heat exchanger assembly, and the box body assembly includes a box body and a connecting sheet, wherein the circuit board assembly is fixed in the box body, and the heat exchanger assembly is connected to the connecting sheet.

The box body and the heat exchanger assembly are movably connected, and the box body has a first position and a second position with respect to the heat exchanger assembly, such that when the box body is positioned at the first position with respect to the heat exchanger assembly, the box body and the heat exchanger assembly surround each other to form a receiving cavity; and when the box body is positioned at the second position with respect to the heat exchanger assembly, the box body and the heat exchanger assembly are in a separated state.

The beneficial effects of the present application are as follows. By adopting a split design method for the box assembly of the electric control box, the relative position of the electric control box with respect to the connecting sheet can be changed, that is, the connecting sheet can be relatively fixed when installed, and the box body can move with respect to the connecting sheet. In the present application, a heat exchanger connected to an air-conditioning refrigerant system through a refrigerant pipe is installed on the connecting sheet and positioned in the receiving cavity, so that the temperature inside the receiving cavity can be lowered, so as to lower the temperature of the electronic components in the receiving cavity, reduce the failure rate of the electronic components, and improve the reliability of the electronic control.

Figure 1 is a schematic diagram of the overall structure of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 2 is a side structural schematic diagram of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 3 is an exploded schematic diagram of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 4 is another exploded schematic diagram of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 5 is a schematic diagram of the internal structure of the box body of the electric control box of the air conditioning device provided in the embodiment of the present application.
Figure 6 is an exploded view of the internal structure of the box body of the electric control box of the air conditioning device provided in the embodiment of the present application.
Figure 7 is a structural schematic diagram of a base assembly of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 8 is a structural schematic diagram of a heat exchanger assembly of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 9 is a schematic assembly diagram 1 of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 10 is a schematic diagram 2 of an assembly of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 11 is a schematic diagram of the internal structure of the box body of the electric control box of the air conditioning device provided in the embodiment of the present application.
Fig. 12 is a schematic diagram of the internal structure of a heat exchanger assembly of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 13 is a schematic diagram of the assembly of an electric control box of an air conditioning device provided in an embodiment of the present application on an outdoor unit.
Fig. 14 is a front view of an outdoor unit of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 15 is a schematic diagram of the opening of the box body of the electric control box of the air conditioning device provided in the embodiment of the present application.
Figure 16 is a schematic diagram of the internal structure of an electric control box of an air conditioning device provided in an embodiment of the present application.
Figure 17 is an exploded schematic diagram of the box body and connecting sheet of the electric control box of the air conditioning device provided in the embodiment of the present application.
FIG. 18 is a structural schematic diagram of the box body of the air conditioning device provided in the embodiment of the present application inverted to a position where it is horizontally docked with the connecting sheet.
Figure 19 is a structural schematic diagram of an air conditioning device provided in an embodiment of the present application in which the box body and the connecting sheet are inverted in an offset position from each other.
Fig. 20 is a front view of Fig. 18.
Figure 21 is a schematic diagram of the internal structure of an electric control box and casing of an air conditioning device provided in an embodiment of the present application.
Figure 22 is an enlarged view of the structure at position A in Figure 21.
Figure 23 is a structural schematic diagram of an air conditioning device provided in an embodiment of the present application in which a heat exchanger is located at the bottom near a connecting sheet.
Figure 24 is a structural schematic diagram of a box body of an air conditioning device provided in an embodiment of the present application.
Figure 25 is a structural schematic diagram of an air conditioning device provided in an embodiment of the present application in which the heat exchanger is located at the top near the connecting sheet.
Fig. 26 is a structural schematic diagram of an air conditioning device provided in an embodiment of the present application in which a heat exchanger is located at the center near a connecting sheet.
Figure 27 is a structural schematic diagram in which a heat exchanger provided in an embodiment of the present application is positioned at a first air inlet of a connecting sheet.
Figure 28 is a structural schematic diagram in which a heat exchanger provided in an embodiment of the present application is located at the first air outlet of the connecting sheet.
Fig. 29 is another structural schematic diagram of a box body of an air conditioning device provided in an embodiment of the present application.
Figure 30 is a schematic diagram of an air conditioning device provided in an embodiment of the present application.

The existing air conditioning system generally includes an indoor unit and an outdoor unit, and an electric control box is generally installed inside the main body of the outdoor unit, and the function of the electric control box is to control the indoor and outdoor units of the air conditioning system. Generally, a circuit board assembly is installed inside the box body of the electric control box, and the circuit board assembly includes a circuit board and electronic components installed thereon. When the air conditioning system is in operation, the electronic components inside it emit a large amount of heat. Therefore, the electronic components inside the electric control box have a high failure rate and often require inspection and maintenance. However, the electric control box is installed inside the outdoor unit, and it is inconvenient to attach and detach it for inspection and maintenance.

In the technical solution of the present application, a heat exchanger connected to an air conditioning refrigerant system through a refrigerant pipe is installed in an electric control box, and the heat exchanger is cooled through a phase change of the refrigerant, thereby lowering the temperature of electronic components in the electric control box, reducing the failure rate of the electronic components, and improving the reliability of electronic control.

If the electronic components inside the electrical control box need to be maintained, the heat exchanger inside the electrical control box may need to be removed as well. In this case, the refrigerant pipes connected to the heat exchanger must be destructively cut and the refrigerant must be recovered. When the electrical control box is re-installed in its original position, the cut refrigerant pipes must be re-welded, so this method of removal is still inconvenient.

In the present application, the electric control box adopts a split design, and the electric control box includes a box body and a connecting sheet, and the electronic components are installed in the box body, and the heat exchanger is installed in the connecting sheet, so that the relative position of the electric control box to the connecting sheet can be changed. When the electronic components in the electric control box need to be maintained, the connecting sheet and the heat exchanger installed in the connecting sheet do not need to be moved, but only the box body of the electric control box needs to be moved to a position easy for inspection and maintenance, so that the refrigerant pipe does not need to be cut and rewelded, and the inspection and maintenance process becomes simpler and easier.

In addition, the electric control box is installed inside the casing of the outdoor unit. Other components of the air conditioning device, such as a compressor, a gas-liquid separator, and a complex refrigerant pipeline, are further installed inside the casing. When these components inside the casing need to be inspected and maintained, the electric control box often needs to be detached to increase the working space. The solution of the present application makes it easier to detach the relatively large-volume box body of the electric control box, thereby making it more convenient to inspect and maintain other components of the outdoor unit.

Hereinafter, the technical solutions of the embodiments of the present application will be clearly and completely described with reference to the attached drawings. It should be noted that the described embodiments are only some embodiments of the present application and not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without having to make efforts for progressive creation will all fall within the protection scope of the present application.

Referring to FIGS. 1 to 5, an air conditioning device (200) provided in the present application includes a casing (210) and an electric control box (100), and the electric control box (100) includes a box assembly (110), a circuit board assembly (120), and a heat exchanger assembly (130), and the box assembly (110) includes a box body (111) and a connection sheet (131), and the box body (111) has a first receiving cavity (101), and the circuit board assembly (120) is installed in the first receiving cavity (101); the heat exchanger assembly (130) includes a heat exchanger (132), and the box body (111) and the connection sheet (131) are connected in a split manner, and the box body (111) has a first opening (1111); The connection sheet (131) has a second receiving cavity (102), and the heat exchanger (132) is installed in the second receiving cavity (102), that is, the heat exchanger (132) and the circuit board assembly (120) are installed separately in two different spaces of the box body (111) and the connection sheet (131), and the box body (111) is installed movably with respect to the connection sheet (131), that is, the box body (111) and the connection sheet (131) are independent of each other. When inspecting and maintaining the circuit board assembly (120), the box body (111) can be directly moved to an appropriate position without having to remove both the box body (111) and the heat exchanger (132), so that the technical difficulty of the maintenance work is simplified. Even when the box body (111) needs to be removed for inspection and maintenance, there is no need to remove the heat exchanger (132), so that the convenience of maintenance work is further ensured, and at the same time, the influence and damage to the connection pipeline of the heat exchanger (132) due to multiple removals are prevented. In addition, even when parts such as a compressor, a gas-liquid separator, and a complex refrigerant pipeline inside the casing of the air conditioning unit (200) need to be inspected and maintained, there are many cases where the electric control box needs to be removed and attached, but the solution of the present application allows the relatively large volume of the box body (111) of the electric control box (100) to be easily removed, so that the working space becomes larger, and inspection and maintenance of other parts of the outdoor unit become more convenient.

In addition, since the heat exchanger (132) and the circuit board assembly (120) are respectively located in different spaces, the solution of the present application can protect the circuit board assembly (120) from being affected by condensation occurring around the heat exchanger (132) to the greatest extent possible.

In an air conditioner, the electronic components of the circuit board assembly (120) of the electric control box (100) are subject to frequent inspection and maintenance. In many cases, the electric control box (100) must be removed from the casing of the air conditioner to the outside of the casing to inspect and maintain the electronic components within the electric control box (100). However, components such as a refrigerant pipe or a heat exchanger (132) may be installed within the electric control box (100), and these components are connected within the flow path of the refrigerant system. When the electronic components within the electric control box (100) must be inspected and maintained, if the entire electric control box (100) is removed entirely to the outside of the casing, the refrigerant pipeline must be destructively cut, and the cooling medium within the refrigerant pipeline must be recovered; when the electric control box (100) is mounted within the casing after the inspection and maintenance is completed, the cut refrigerant pipeline must be rewelded, and this inspection and maintenance process is very cumbersome.

In the embodiment of the present application, the box assembly (110) in the electric control box (100) adopts a split design and is divided into different components such as the box body (111) and the connection seat (131). The electronic components in the electric control box (100) are installed in the box body (111), the evaporator is mounted on the connection seat (131), and the evaporator is connected to the refrigerant system passage through the refrigerant pipeline. The box body (111) and the connection seat (131) are connected in a detachable manner, the connection seat (131) is fixedly mounted to the air conditioner, and the box body (111) is movable with respect to the connection seat (131). Accordingly, when the electronic components inside the electric control box (100) need to be inspected and maintained, the electronic components installed in the box body (111) can be inspected or maintained by removing the box body (111) and the connection sheet (131) without having to remove the evaporator, thereby avoiding the cumbersome process of cutting and rewelding the refrigerant pipeline caused by removing the evaporator, and making the detachment and installation process simple and easy. The heat exchanger (132) cools air through a phase change method, and the principle is that the refrigerant inside the heat exchanger (132) circulates and circulates inside the air conditioning and cooling system, thereby absorbing heat through the phase change of the refrigerant, thereby lowering the temperature of the air or airflow inside the electric control box (100), and further dissipating heat from the circuit board assembly (120) through the airflow having a relatively low temperature.

The electric control box (100) is installed inside the casing of the outdoor unit. Other components of the air conditioning device (200), such as a compressor, a gas-liquid separator, and a complex refrigerant pipeline, are further installed inside the casing. When these components inside the casing need to be inspected and maintained, the electric control box (100) often needs to be detached to increase the working space. The technical solution provided in the present application makes it easier to detach the relatively large-volume box body (111) of the electric control box (100), thereby making it more convenient to inspect and maintain other components of the outdoor unit.

Referring to FIGS. 1 to 8, in some embodiments, the box body (111) is removably installed on the connecting sheet (131); the connecting sheet (131) has an accommodation space (1301); and the heat exchanger assembly (130) is pullably installed with respect to the connecting sheet (131) so that the heat exchanger assembly (130) is installed within the accommodation space (1301) or is withdrawn outside the accommodation space (1301), and the heat exchanger assembly (130) is configured to dissipate heat from the circuit board assembly (120).

That is, in the structure of the electric control box (100) of the present application, the circuit board assembly (120) and the heat exchanger assembly (130) are installed separately and are respectively located in different spaces, and the box body (111) can be removed from the connection sheet (131), and the heat exchanger assembly (130) can be withdrawn within the receiving space (1301) of the connection sheet (131), so that separate maintenance work can be easily performed on the circuit board assembly (120) within the box body (111) or the heat exchanger assembly (130) within the receiving space (1301), and the two do not interfere with each other during inspection and maintenance. In addition, since the heat exchanger assembly (130) and the circuit board assembly (120) are respectively located within different spaces, it is also possible to prevent condensation generated in the refrigerant heat dissipation device from affecting the normal operation of the circuit board assembly (120) within the box body (111). At the same time, the heat exchanger assembly (130) can serve to dissipate heat from the circuit board assembly (120).

Referring to FIG. 4, when the heat exchanger assembly (130) is installed so as to be pullable relative to the connecting sheet (131), and the heat exchanger assembly (130) is in a pulled-out state, the heat exchanger (132) is located outside the receiving space (1301). It should be explained that when the heat exchanger assembly (130) is installed so as to be pullable, the heat exchanger assembly (130) can be directly pulled out when maintaining the heat exchanger (132), so that maintenance work is easy.

For example, a pipeline connecting a heat exchanger (132) and an air conditioning cooling system can be set as a flexible connecting pipeline having a constant extension length, and when the heat exchanger assembly (130) is withdrawn from the receiving space (1301), since the connecting pipeline has a constant length, there is no need to discharge the cooling medium inside the heat exchanger (132) when the heat exchanger (132) is withdrawn from the receiving space (1301), and maintenance work can be performed without having to cut the connecting pipeline, which is convenient and quick. An appropriate length of the connecting pipeline is a length that allows the heat exchanger assembly (130) to be extended from the receiving space (1301) so as to control the space occupied by the connecting pipeline.

In a possible embodiment, as illustrated in FIGS. 5 and 6, the heat exchanger assembly (130) includes a shell (133) and a heat exchanger (132), and when the heat exchanger assembly (130) is positioned within the receiving space (1301), the box body (111) and the shell (133) together constitute an receiving cavity, and the heat exchanger (132) is received within the receiving cavity to dissipate heat from the circuit board assembly (120). The shell (133) described herein means a protective shell of the heat exchanger (132) itself. The fact that the box body (111) and the shell (133) form a receiving cavity together means that the internal spaces of the box body (111) and the shell (133) are connected to each other so that the heat exchanger (132) located within the receiving space (1301) of the connecting sheet (131) can dissipate heat from the circuit board assembly (120) located within the box body (111), i.e., a heat dissipation passage is formed within the receiving cavity.

In the present embodiment, the detachable installation of the box body (111) and the connection sheet (131) and the detachable installation of the heat exchanger assembly (130) within the receiving space (1301) of the connection sheet (131) make it convenient and fast to maintain the circuit board assembly (120) and the heat exchanger assembly (130) without them interfering with each other. In addition, the inside of the box body (111) and the inside of the shell (133) of the heat exchanger (132) are connected to form a heat dissipation air passage, thereby ensuring a good heat dissipation effect of the heat exchanger assembly (130) with respect to the circuit board assembly (120). At the same time, since the circuit board assembly (120) and the heat exchanger (132) are respectively located in different spaces, condensation generated on the surface of the heat exchanger (132) does not affect the circuit board assembly (120), thereby ensuring a good operating state of the electric control box (100) and extending the service life of the electric control box (100).

Continuing with reference to FIG. 7, the connecting sheet (131) includes a first support portion (1303) and a second support portion (1304), and the first support portion (1303) and the second support portion (1304) are surrounded together to form a receiving space (1301), and the second support portion (1304) is used to mount a heat exchanger (132).

In an optional embodiment, as illustrated in FIGS. 4 and 7, the second support (1304) is installed along a horizontal direction, and the second support (1304) and the first support (1303) are surrounded together to form a lateral opening communicating with the receiving space (1301), and the lateral opening is configured to allow the heat exchanger assembly (130) to be withdrawn from within the receiving space (1301). That is, the shell (133) formed by being surrounded by the second support (1304) and the first support (1303) is not completely closed but has an opening on the side, and the opening can be regarded as a working window that substantially facilitates the withdrawal of the heat exchanger (132).

Possibly, as illustrated in FIG. 7, the second support member (1304) is provided with a guide surface (1324) on one side facing the lateral opening, and the guide surface (1324) is gradually inclined outward from the inner side of the lateral opening toward the outer side of the lateral opening. When the heat exchanger assembly (130) is withdrawn within the receiving space (1301), the guide surface (1324) can assist the heat exchanger (132) to quickly slide out, so that the withdrawal of the heat exchanger (132) can be performed more easily.

For example, the guide surface (1324) extends to the bottom surface of the connecting sheet (131). It can be understood that when the heat exchanger assembly (130) slides down on the guide surface (1324), if the guide surface (1324) extends directly to the bottom, the heat exchanger assembly (130) can slide directly along the guide surface (1324) to the bottom, and since the guide surface (1324) supports the entire heat exchanger (132) withdrawal process, the heat exchanger (132) withdrawal process is safer and more reliable, and problems such as sliding or hitting during manual withdrawal are prevented, thereby greatly saving manpower.

In some embodiments, a closed air passage is formed within the receiving cavity, a heat exchanger (132) cools air through a refrigerant phase change method, and the air passage is configured to circulate air cooled by the heat exchanger (132) and heat-exchange the circuit board assembly (120).

Furthermore, as illustrated in FIGS. 5 and 6, when the box body (111) has a first receiving cavity (101), the shell has a second receiving cavity (102), the heat exchanger (132) is positioned in the second receiving cavity (102), and the heat exchanger assembly (130) is positioned in the receiving space (1301), the first receiving cavity (101) and the second receiving cavity (102) are connected to each other to form a receiving cavity together, so that gas cooled by the heat exchanger (132) can circulate within the first receiving cavity (101) and the second receiving cavity (102) to achieve the effect of heat dissipation and temperature reduction of the circuit board assembly (120).

As illustrated in FIG. 6, in order to implement communication between the first receiving cavity and the second receiving cavity, the first receiving cavity (101) has a first opening (1111) at the bottom; the second receiving cavity (102) has a second opening (1311) installed at one side facing the box body, and the second opening (1311) and the first opening (1111) are correspondingly communicated so that the first receiving cavity (101) and the second receiving cavity (102) form the air passage.

What is easy to understand is that in order for the heat exchanger (132) to be located in the entire air passage and cool down the circuit board assembly (120), an opening must be installed in the shell (133) so that the first receiving cavity (101) and the second receiving cavity (102) are connected to form a heat dissipation air passage.

Furthermore, as illustrated in FIG. 7, the connecting sheet (131) has an avoidance hole (1302), and the avoidance hole (1302) is installed between the first opening and the second opening (1311), and the first opening, the avoidance hole (1302), and the second opening (1311) are correspondingly connected.

It can be understood that the heat exchanger assembly (130) is installed in the receiving space (1301) inside the connecting sheet (131), a second opening (1311) is openly installed in the shell (133) of the heat exchanger (132), and when the second opening (1311) and the first opening of the box body (111) are connected, an escape hole (1302) is openly installed in a position corresponding to the first opening and the second opening (1311) in the connecting sheet (131) so that the first cavity (1011) and the second cavity (1012) are connected to form an air passage.

In addition, an isolation member (140) is installed inside at least one of the first receiving cavity (101) and the second receiving cavity (102), and the isolation member (140) separates at least one of the first receiving cavity (101) or the second receiving cavity (102) by the air passage described above.

What needs to be explained is that, in order to implement a good heat dissipation effect for the circuit board assembly (120) within the box body (111), the air passage can be divided into two spaces, one space being used to circulate cold air cooled by the heat exchanger (132), and the circuit board assembly (120) is installed within the space of the other part, and the hot air formed after dissipating the heat of the circuit board assembly (120) is circulated. By sequentially dividing the hot air and the cold air into two independent passages, it is possible to prevent the cold air cooled by the heat exchanger (132) and the hot air from being mixed, thereby increasing the temperature of the cold air and reducing the heat dissipation effect for the circuit board assembly (120).

In one embodiment, referring to FIGS. 5 and 6, the isolation member (140) includes a first isolation member (141) installed within the first receiving cavity (101), the first isolation member (141) separates the first receiving cavity (101) into a first cavity (1011) and a second cavity (1012), and both the first cavity (1011) and the second cavity (1012) are in communication with the first opening.

It can be understood that since the first cavity (1011) and the second cavity (1012) must form a communicating air passage, the first cavity (1011) and the second cavity (1012) must necessarily be communicated with the first opening. For example, if a circuit board assembly (120) is installed in the first cavity (1011) and cold air cooled by a heat exchanger (132) exists in the second cavity (1012), the cold air in the second cavity (1012) must be circulated and introduced into the first cavity (1011) to implement heat dissipation for the circuit board assembly (120).

Based on this, the first cavity (1011) and the second cavity (1012) are connected through the first vent (1411) so that cold air inside the first cavity (1011) circulates and flows into the second cavity (1012). The first vent (1411) is located at one end of the first isolation member (141) that is away from the connection sheet (131), and the circuit board assembly (120) is installed inside the first cavity (1011).

It is easy to understand that, when the heat exchanger (132) is installed in the connecting sheet (131), the cold air in the second cavity (1012) originates from one end close to the heat exchanger (132). In order to form a circulation air passage to introduce the cold air into the first cavity (1011) and cool down the circuit board assembly (120), the cold air must flow from one end of the circuit board assembly (120) to the other end of the circuit board assembly (120), that is, the cold air must flow from the end that is far from the connecting sheet (131) into the connecting sheet (131) to cool down the radiator (150) and thereby form a circulation air passage. Therefore, the first ventilation hole (1411) must be located at the end that is far from the connecting sheet (131) to implement the circulation path of the air passage.

The specific implementation form of the first ventilation hole (1411) may be, for example, by opening a through hole in the first isolation member (141) and using it as a ventilation hole, or by leaving a gap between the end of the first isolation member (141) that is away from the connecting sheet (131) and the inner wall of the box body (111) and using it as a ventilation hole, and there is no particular limitation here.

Figure 8 is a structural schematic diagram of a heat exchanger assembly of an electric control box provided in an embodiment of the present application.

For example, as illustrated in FIG. 8, the shell (133) includes a bottom plate and a plurality of side plates connected to the outer side in the circumferential direction of the bottom plate, the bottom plate and the side plates are wrapped together to form a second receiving cavity (102), and a second opening (1311) is formed at one edge of the side plate facing away from the bottom plate. That is, the second opening (1311) is directly connected to the first opening without a cover plate being installed. The bottom plate and the plurality of side plates may be integrally formed, and may be detachably joined to each other to facilitate maintenance of other components inside the shell (133).

Here, the shell (133) is removably fixed to the side wall of the first support member (1301) to facilitate removal of the heat exchanger assembly (130) from the side wall of the first support member (1303).

Optionally, referring still to FIG. 8, a flange (134) is provided on one edge of the side plate that is away from the bottom plate, and the flange (134) and the first support member (1303) are installed in close contact. As can be easily understood, the reason for installing the flange (134) is to facilitate fixing of the shell (133) and at the same time facilitate removal of the shell (133). Meanwhile, the reason for closely contacting the flange and the first support member (1303) is to ensure good closure of the air passage, thereby preventing air inside the air passage from leaking or external air from flowing into the air passage, thereby affecting the heat dissipation effect.

In addition, as illustrated in FIGS. 5 and 6, the isolation member (140) further includes a second isolation member (142) installed within the second receiving cavity (102), and the second isolation member (142) separates the second receiving cavity (102) into a third cavity (1021) and a fourth cavity (1022), and the third cavity (1021) and the fourth cavity (1022) are both communicated with the second opening (1311), the third cavity (1021) and the first cavity (1011) are correspondingly communicated, and the fourth cavity (1022) and the second cavity (1012) are correspondingly communicated; The third cavity (1021) and the fourth cavity (1022) are communicated through the second vent (1412), the heat exchanger (132) is installed in the third cavity (1021) or the fourth cavity (1022), and the second vent (1412) is located on one side of the heat exchanger (132) opposite to the first opening.

What needs to be explained is that, after passing through the circuit board, the gas that absorbs heat and is heated flows back into the heat exchanger (132), and the refrigerant circulates within the heat exchanger (132) and can lower the temperature of the surrounding gas, and the lowered gas flows into the second cavity (1012) through the second opening (1311) and then flows into the first cavity (1011) through the first vent (1411), and the gas within the first cavity (1011) flows back into the heat exchanger (132) and is heated again after passing through the circuit board assembly (120), thereby realizing the circulation of the gas within the entire air passage and realizing good heat dissipation and temperature lowering effects for the circuit board assembly (120).

Optionally, referring to FIGS. 5 and 6, a gap is left between the side near the floor plate and the floor plate in the second isolation member (142) to be used as a second ventilation hole (1412). Similar to the installation method of the first ventilation hole (1411), this is one of the simple installation methods of the ventilation hole because there is no need to improve the second isolation member (142). In fact, as long as the third cavity (1021) and the fourth cavity (1022) are connected, a method of openly installing the ventilation hole in the second isolation member (142) can also be adopted.

In some embodiments, and still referring to FIGS. 5 and 6, the electrical control box (100) further includes a fan assembly (160), the fan assembly (160) including at least one fan installed within an air passage, the fan configured to drive air to circulate and flow along the air passage to be cooled by the heat exchanger (132) and then flow to the circuit board assembly (120) to cool the circuit board assembly (120). The function of the fan is to provide power for the circulation of airflow within the air passage, and the number of fans installed may be considered in terms of the size of the space, the amount of heat generated in the circuit board assembly (120), and the heat dissipation speed requirements.

It can be understood that the heat exchanger (132) may be an evaporator, and the evaporator is connected to the refrigerant path (300) of the air conditioning device, and is configured to perform cooling and temperature reduction through a phase change of the refrigerant passing through the evaporator. For example, the inlet of the evaporator may be connected to a low-pressure liquid refrigerant path among the refrigerant paths (300), and the outlet of the evaporator may be connected to a low-pressure gaseous refrigerant path among the refrigerant paths (300), so that heat can be absorbed through the refrigerant changing from a liquid phase to a gas phase, thereby lowering the temperature of the airflow inside the electric control box (100).

In an air conditioner, the electronic components of the circuit board assembly (120) of the electric control box (100) are subject to frequent inspection and maintenance. In many cases, the electric control box (100) must be removed from the casing of the air conditioner to the outside of the casing to inspect and maintain the electronic components within the electric control box (100). In the present application, the evaporator is installed within the electric control box, and the evaporator is connected to the flow path of the refrigerant system via a refrigerant pipe.

When the electronic components inside the electric control box (100) need to be inspected and maintained, if the entire electric control box (100) is completely removed outside the casing, the refrigerant pipeline connected to the evaporator needs to be destructively cut, and the cooling medium inside the refrigerant pipeline needs to be recovered; when the electric control box (100) is mounted inside the casing after the inspection and maintenance is completed, the cut refrigerant pipeline needs to be rewelded, and this inspection and maintenance process is very cumbersome.

In the embodiment of the present application, the box assembly (110) in the electric control box (100) adopts a split design and is divided into different components such as the box body (111) and the connection seat (131). The electronic components in the electric control box (100) are installed in the box body (111), the evaporator is mounted on the connection seat (131), and the evaporator is connected to the refrigerant system passage through the refrigerant pipeline. The box body (111) and the connection seat (131) are connected in a detachable manner, the connection seat (131) is fixedly mounted to the air conditioner, and the box body (111) is movable with respect to the connection seat (131). Accordingly, when it is necessary to inspect and maintain electronic components within the electric control box (100), the electronic components installed in the box body (111) can be inspected or maintained by removing the box body (111) and the connection sheet (131) without having to remove the evaporator, thereby avoiding the cumbersome process of cutting and rewelding the refrigerant pipeline caused by removing the evaporator, and making the entire detachment and attachment process simple and easy.

In addition, the electric control box (100) is installed inside the casing of the outdoor unit. Other components of the air conditioning device, such as a compressor, a gas-liquid separator, and a complex refrigerant pipeline, are further installed inside the casing. When these components inside the casing need to be inspected and maintained, the electric control box (100) often needs to be detached to increase the working space. The solution of the present application makes it easier to inspect and maintain other components of the outdoor unit by easily removing the relatively large-volume box body (111) of the electric control box (100).

What should be explained is that the detachable connection method between the box body (111) and the connection sheet (131) mainly means that a variable relative position is provided between the box body (111) and the connection sheet (131), so that the box body (111) and the connection sheet (131) are detachable from each other. Here, the detachable connection method between the box body (111) and the connection sheet (131) includes, but is not limited to, the following several methods.

1. The box body (111) and the connection sheet (131) can only change their relative positions, but the connection state between the two is still maintained before and after removal; here, the connection method between the box body (111) and the connection sheet (131) may be, for example, a rotatable connection, or a slidable connection between the two.

2. The box body (111) and the connection sheet (131) are completely separated in the disassembled state. At this time, the box body (111) and the connection sheet (131) do not need to be connected through other structures, and the position of the box body (111) can move freely with respect to the connection sheet (131).

The refrigerant passage (300) within the air conditioning device may be a circulation loop formed by sequentially connecting a compressor, a condenser, an expansion valve, and an evaporator within the air conditioning device, and the above-described members are communicated through a pipe for circulating the refrigerant, and the air conditioning device performs phase exchange through phase change during the circulation flow process of the refrigerant within the refrigerant passage (300) to implement a cooling or heating function, and the heat exchanger (132) within the electric control box (100) may be connected to the main passage of the refrigerant passage (300) and may also be connected to a branch passage of the refrigerant passage (300), and the embodiment of the present application is not specifically limited thereto.

In general, the specific structure of the circuit board assembly (120) includes a circuit board and electronic components installed on the circuit board, and the electronic components generate a large amount of heat during operation, which affects the normal operation of the electronic components, so the heat dissipation structure substantially lowers the temperature of the electronic components.

Here, with continued reference to FIGS. 5 and 6, a fan is installed within the first receiving cavity (101), and the fan includes an air inlet side (1611) and an air discharge side (1612), wherein the air inlet side (1611) faces the first vent (1411), and the air discharge side (1612) faces the circuit board assembly (120). It can be understood that cold air within the first cavity (1011) is introduced into the second cavity (1012) through the first vent (1411), and the cold air flowing power is provided by the fan, that is, is sucked in by the air inlet and discharged by the air discharge, and removes heat generated in the electronic components through the circuit board assembly (120). It should be noted that the air inlet side (1611) described herein faces the first vent (1411) means that the air inlet side (1611) faces the first vent (1411) but does not need to face the first vent (1411), and the air outlet side (1612) also does not need to face the circuit board assembly (120).

In addition, as shown in FIGS. 5 and 6, the electric control box (100) further includes a radiator (150), the radiator (150) is installed within the receiving cavity, the radiator (150) is closely attached and fixed to the back surface of the circuit board assembly (120), and the radiator (150) is configured to radiate heat from the circuit board assembly (120) through a heat conduction method.

In this embodiment, by installing a radiator (150) in the first receiving cavity (101), another method of dissipating heat from the circuit board assembly (120) is added, and by having a dual path of gas circulation and heat conduction temperature reduction, the heat dissipation effect is improved. In addition, by directly contacting and fixing the radiator (150) to the back surface of the circuit board assembly (120), the heat conduction speed is increased, so that an optimal heat dissipation effect can be implemented. In addition, since the airflow in the first receiving cavity (101) circulates, condensation caused by rapid temperature reduction due to heat conduction can be eliminated.

In this embodiment, the two temperature-reducing methods complement each other to achieve a good temperature-reducing effect while avoiding condensation generated within the first receiving cavity (101) from affecting the circuit board.

Referring to FIGS. 9 to 12, in some embodiments, the box body (111) may be positioned on the upper side of the connecting sheet (131), and a second opening (1311) is opened and installed on one side facing the bottom surface of the box body (111) in the second receiving cavity (102); When the box body (111) rotates to the first position with respect to the connecting sheet (131), the second opening (1311) and the first opening (1111) are installed correspondingly so that the first receiving cavity (101) and the second receiving cavity (102) communicate with each other to form a closed air passage, and the air passage is configured so that air cooled by the heat exchanger (132) exchanges heat with the circuit board assembly (120), that is, heat dissipation of the circuit board assembly (120) is achieved through gas circulation flow inside the closed air passage, and the hot air passes through the circuit board assembly (120) after being cooled by the heat exchanger (132), thereby achieving a good heat dissipation effect.

The box body (111) and the connection sheet (131) can be rotatably connected, and here, when the box body (111) is rotated to the first position with respect to the connection sheet (131), the side wall of the box body (111) and the side wall of the connection sheet (131) form the same plane, so that the electric control box (100) has a flat outer wall.

When the box body (111) rotates to the second position with respect to the connecting sheet (131), the positions of the box body (111) and the connecting sheet (131) are staggered, and at this time, some maintenance work on the box body (111) or the radiator can be performed without having to remove the heat exchanger (132).

Possibly, when the box body (111) of the electric control box (100) rotates in a direction perpendicular to the rotation axis and the box body (111) is positioned at the first position, the box body (111) is positioned above the connection sheet (131). The present embodiment provides an example of the relative positional relationship between the box body (111) of the electric control box (100) and the connection sheet (131), and when the box body (111) is positioned at the first position (i.e., the box body (111) and the connection sheet (131) are in a normal cooperative state), the connection sheet (131) is installed on one side of the bottom of the box body (111). The rotation axis of the box body (111) is a vertical rotation axis, that is, the installation position of the rotation axis of the box body (111) is located on one side of the box body (111) and is not in the same direction as the position of the heat exchanger (132), and when the box body (111) rotates with respect to the connecting sheet (131), the two do not interfere with each other.

In addition, referring to FIG. 1, the bottom wall of the box body (111) and the top wall of the connecting sheet (131) are parallel to each other, and when the box body (111) is positioned at the first position, the bottom wall of the box body (111) and the top wall of the connecting sheet (131) are in close contact with each other.

It can be understood that, in order to form a closed air passage, the first receiving cavity (101) inside the box (111) and the second receiving cavity (102) inside the connecting sheet (131) must be connected to each other, and the connecting method is to provide corresponding openings in the walls of the first receiving cavity (101) and the second receiving cavity (102), that is, a first opening (1111) and a second opening (1311) are respectively provided in the bottom wall of the box (111) and the top wall of the connecting sheet (131). In order to ensure the sealing of the air passage, the bottom wall of the box (111) and the top wall of the connecting sheet (131) should be flat and close to each other, and leave no gap as much as possible, so as to ensure that the cooling gas inside the air passage will not easily overflow out, and the hot air outside will not easily flow into the inside of the air passage, thereby ensuring normal gas circulation inside, and achieving a good temperature reduction effect. Therefore, the bottom wall of the box (111) and the top wall of the connecting sheet (131) are installed parallel to each other to achieve good sealing, thereby preventing a gap from being left between the two, causing cold air inside to overflow out or hot air outside to flow in, thereby affecting the heat dissipation effect of the electric elements inside the box (111).

Furthermore, referring to FIG. 9, the edge shapes of the first opening (1111) and the second opening (1311) match each other. It can be understood that, in order to form a closed air passage, after the bottom wall of the box body (111) and the top wall of the connecting sheet (131) are in close contact with each other, the edges of the correspondingly installed first opening (1111) and second opening (1311) must completely match each other to prevent the sealing of the air passage from becoming loose due to the occurrence of a gap, thereby affecting the heat dissipation effect of the internal electrical components.

In some embodiments, when the box body (111) is positioned in the second position, the projection ranges of the box body (111) and the connection sheet (131) in the vertical direction do not overlap each other. The advantage of this installation is that when the box body (111) rotates with respect to the connection sheet (131), for example when the box body (111) is rotated at a maximum angle, the box body (111) and the connection sheet (131) belong to two completely different planes, so that when performing some maintenance work on the box body (111), the connection sheet (131) is not affected in any way, and the connection sheet (131) is not disturbed, and correspondingly, when performing maintenance work on the heat exchanger (132) within the connection sheet (131), the box body (111) is not disturbed. In particular, when some work needs to be performed on the inside of the box body (111) and the connecting sheet (131) through the first opening (1111) and the second opening (1311), if the projections of the first opening (1111) and the second opening (1311) overlap each other in the vertical direction, they may collide with each other during work, making work inconvenient. However, if the box body (111) can be rotated to a specific position so as to be completely offset from the sheet (131), this problem will not occur.

Referring to FIGS. 9 to 12, in some other optional embodiments, the electric control box (100) further includes an isolation member (140), and the isolation member (140) is installed within at least one of the first receiving cavity (101) and the second receiving cavity (102) to separate the first receiving cavity (101) and the second receiving cavity (102) by the aforementioned air passage.

What needs to be explained is that, in order to achieve a good heat dissipation effect for the circuit board assembly (120) within the box (111), the air passage can be divided into two spaces, one space being used to circulate cold air cooled by the heat exchanger (132), and the circuit board assembly (120) being installed within the other space. By sequentially dividing the hot air and the cold air into two independent passages, it is possible to prevent the cold air cooled by the heat exchanger (132) and the hot air from being mixed, thereby preventing the temperature of the cold air from being maintained, thereby reducing the heat dissipation effect for the circuit board assembly (120).

For example, referring to FIGS. 9 to 12, the isolation member (140) includes a first isolation member (141) installed within a first receiving cavity (101), the first isolation member (141) separates the first receiving cavity (101) into a first cavity (1011) and a second cavity (1012), the first cavity (1011) and the second cavity (1012) are communicated through a first vent (1411), both the first cavity (1011) and the second cavity (1012) are communicated with a first opening (1111), and the circuit board assembly (120) is installed within the first cavity (1011).

It can be understood that the first vent (1411) is installed to form an air passage for gas circulation by connecting the first cavity (1011) and the second cavity (1012). When the circuit board assembly (120) is installed in the first cavity (1011), cold air circulating in the second cavity (1012) flows into the first cavity (1011) through the first vent (1411), and the cold air passes through the circuit board assembly (120) to implement heat dissipation and temperature reduction for the circuit board assembly (120). That is, the temperature reduction method of the circuit board assembly (120) of the present application is implemented by circulating low-temperature gas. During the gas distribution process, at least a portion of the condensation that occurs after the temperature decreases within the first cavity (1011) can be removed, so that the dryest possible environment is maintained within the first cavity (1011), thereby ensuring good temperature decrease for the circuit board assembly (120) and reducing the risk of damage to the circuit board assembly (120) due to condensation.

Here, referring to FIGS. 9 to 12, the circuit board assembly (120) in the box body (111) includes a circuit board and electronic components, the circuit board is fixed to the first isolation member (141), and the electronic components are installed on a surface of the circuit board facing away from the first isolation member (141). In the present embodiment, one of the fixing methods of the electronic components, that is, a method of fixing them so as to face away from the first isolation member (141), is exemplarily described. The advantage of this fixing method is that another heat dissipation structure can be installed on a surface of the first isolation member (141) facing away from the circuit board to similarly achieve the effect of heat dissipating and lowering the temperature of the circuit board assembly (120). If this point is not taken into consideration, the circuit board may actually be fixed, for example, on the inner wall surface of the first receiving cavity (101).

In addition, a temperature sensor for detecting the temperature of the electronic components can be installed in the circuit board assembly (120), so that the flow rate of the refrigerant flowing into the heat exchanger (132) can be controlled to prevent the temperature of the air flow in the air passage from being too low and affecting the operation of the electronic components.

For example, based on the technical solution in which the circuit board assembly (120) is fixed to the first isolation member (141), a heat sink (150) may be further installed within the first receiving cavity (101), and the heat sink (150) is installed corresponding to the circuit board assembly (120), and the heat sink (150) is used to dissipate heat from the electronic component through a heat conduction method.

Optionally, the radiator (150) is attached and secured to one side of the first isolation member (141) facing away from the circuit board assembly (120).

In the present embodiment, by installing a radiator (150) in the first receiving cavity (101), another method of dissipating heat from the circuit board assembly (120) is added, and by having a dual path of gas circulation and heat conduction temperature reduction, the heat dissipation effect is improved. By installing the radiator (150) on one side of the first insulating member (141) away from the circuit board assembly (120), the heat conduction and heat dissipation effects can be improved, and condensation caused by rapid temperature reduction due to heat conduction can be eliminated due to the circulation of air current in the first receiving cavity (101), and the two temperature reduction methods complement each other to implement a good temperature reduction effect, while preventing condensation caused in the first receiving cavity (101) from affecting the circuit board assembly (120).

Referring to FIGS. 9 to 12, the isolation member (140) further includes a second isolation member (142) installed in the second receiving cavity (102), and the second isolation member (142) separates the second receiving cavity (102) into a third cavity (1021) and a fourth cavity (1022), and the third cavity (1021) and the first cavity (1011) are correspondingly communicated, and the fourth cavity (1022) and the second cavity (1012) are correspondingly communicated, and the heat exchanger (132) is installed in the third cavity (1021) or the fourth cavity (1022).

A second vent (1412) is installed between the third cavity (1021) and the fourth cavity (1022), and the second vent (1412) is located on one side facing the first opening (1111) in the heat exchanger (132).

What needs to be explained is that the airflow that has absorbed heat and been heated after passing through the circuit board assembly (120) flows to the heat exchanger (132), and a refrigerant circulates within the heat exchanger (132) to cool the airflow passing through the surroundings, and the cooled airflow flows into the second cavity (1012) through the second opening (1311), and then flows into the first cavity (1011) through the first vent (1411) to cool the circuit board assembly (120), and at this time, the airflow absorbs heat and is heated and flows back into the heat exchanger (132), thereby implementing circulation of the airflow within the entire air passage and implementing an excellent temperature-lowering effect.

A second isolation member (142) is installed within the second receiving cavity (102) to separate the second receiving cavity (102) into a third cavity (1021) and a fourth cavity (1022). The third cavity (1021) and the fourth cavity (1022) also spatially separate the incoming hot air current and the outgoing cold air current to prevent the incoming hot air current and the cooled cold air current from mixing with each other and affecting the cooling effect.

The first cavity (1011) and the third cavity (1021) are correspondingly connected, and the second cavity (1012) and the fourth cavity (1022) are correspondingly connected, so that the air passage inside the entire electric control box (100) forms a winding air passage, allowing cold airflow and hot airflow to circulate smoothly within the air passage, thereby lowering the temperature of the circuit board assembly (120). By dividing the internal air passage into two parts, the flow direction of the entire airflow within the air passage can be more easily controlled, the hot airflow and the cold airflow can be controlled to circulate along a set path, and the temperature lowering effect is not reduced due to the mixed flow of the hot airflow and the cold airflow.

Referring to FIG. 9, as an example, in the case where the heat exchanger (132) is installed in the third cavity (1021), the airflow passing through the circuit board assembly (120) changes into cold airflow after passing through the heat exchanger (132), and the cold airflow flows into the fourth cavity (1022) through the second vent (1412), and then flows from the fourth cavity (1022) into the second cavity (1012), and even if the heat exchanger (132) is installed in the fourth cavity (1022), the same path is followed.

What is easy to understand is that the second vent (1412) is located on one side of the heat exchanger (132) facing away from the second opening (1311), so that only the airflow cooled by the heat exchanger (132) can flow into the second cavity (1012) through the third cavity (1021) and the fourth cavity (1022), thereby ensuring that the airflow flowing into the second cavity (1012) has the lowest temperature.

In addition, a drain can be installed in the heat exchanger (132) to allow condensation to be discharged through the drain, thereby keeping the space dry.

In addition, the electrical control box may further include a fan assembly (160), and the fan assembly (160) includes at least one fan (161) installed within the air passage, and the fan (161) is configured to drive air to circulate and flow along the air passage so that the air is cooled by the heat exchanger (132) and then flows to the circuit board assembly (120) to cool the circuit board assembly (120). The function of the fan (161) is to actually provide power for the circulation of air current within the air passage. The number of fans (161) installed may be considered in terms of the size of the space, heat dissipation speed requirements, etc.

In some possible embodiments, both the first isolation member (141) and/or the second isolation member (142) are plate-shaped. It should be noted that the main function of the first isolation member (141) and the second isolation member (142) is to separate the first receiving cavity (101) and the second receiving cavity (102) into two cavities, respectively, so any structure of an isolation plate that can perform a separating function may be adopted. However, considering that the circuit board assembly (120) must be fixed to the first isolation member (141), it is easier to select a relatively flat plate-shaped structure, and the plate-shaped isolation member (140) also facilitates smoother airflow circulation within the air passage.

What needs to be explained is that the specific structure, functional principle, etc. of the electric control box (100) have already been explained in detail above, and therefore will not be explained further here. In addition, the air conditioning device (200) adopts all the technical solutions of the above embodiment, and therefore has at least all the beneficial effects according to the technical solutions of the above embodiment, and will not be described in detail here.

Referring to FIGS. 9 to 12, the casing (210) includes an upright column (211), and the box body (111) is rotatably connected to one of the upright columns (211), and when the box body (111) is positioned at the second position, the box body (111) extends from within the casing (210), that is, the box body (111) is rotatably connected to the upright column (211), and thus the box body (111) can be rotatably installed relative to the connecting sheet (131), thereby making maintenance work of the circuit board assembly (120) within the box body (111) more convenient.

In some embodiments, the air conditioning device may further include a position-limiting assembly, wherein the position-limiting assembly is relatively fixed to at least one of the box body and the connecting sheet to fix the box body at the first position, wherein the position-limiting assembly includes a position-limiting member, the position-limiting member is installed on the connecting sheet or the connecting sheet, and the position-limiting member is stoppably installed on a rotational orbit of the box body to stop the box body at the first position.

In addition, the casing (210) further includes a hinge assembly, and the hinge assembly is used to connect the box body (111) and the upright column (211); the hinge assembly includes a plurality of hinge members (212), and the hinge members (212) include a first fixing portion and a second fixing portion, the first fixing portion is fixed to the box body (111), the second fixing portion is fixed to the upright column (211), and the first fixing portion and the second fixing portion are rotatably connected. By connecting the box body (111) to the upright column (211) using the hinge member (212), smooth rotation of the box body (111) can be facilitated, and when maintaining a member such as a circuit board assembly (120) inside the box body (111), the box body (111) can be rotated only at a certain angle without having to remove the box body (111).

In some embodiments, the air conditioning device further includes a sealing member (not shown), and when the box body (111) is positioned at the first position, the first opening (1111) and the second opening (1311) are sealed by the sealing member.

Referring to FIGS. 13 to 17, in some embodiments, the connection sheet (131) and the box body (111) are sequentially connected from top to bottom, and the box body (111) is movably installed with respect to the connection sheet (131), so that when the box body (111) moves to the bottom of the connection sheet (131), the box body (111) and the connection sheet (131) form a detachable electric control box (100) together, and when the electric control box (100) is not detached, the box body (111) and the connection sheet (131) surround each other to form a receiving cavity, and the projections of the connection sheet (131) and the box body (111) in the vertical direction at least partially overlap, and the heat exchanger (132) and the circuit board assembly (120) are both located in the receiving cavity.

It can be understood that the box body (111) can be moved relative to the connecting sheet (131) so that the box body assembly (110) is in a removed or non-removed state, and when the box body assembly (110) is in a non-removed state, the box body (111) and the connecting sheet (131) can be surrounded together to form a receiving cavity, and at this time, the electric control box (100) can be operated to control the operation of the air conditioner, and when the box body assembly (110) is in a removed state, the space behind the box body (111) can be exposed, so that it is easy for an operator to inspect and maintain the air conditioner.

In some embodiments, the box body (111) is rotatably installed relative to the connecting sheet (131) so that the box body (111) can be rotated toward the bottom of the connecting sheet (131) and be surrounded by the connecting sheet (131) to form a receiving cavity, or the horizontal positions of the box body (111) and the connecting sheet (131) are staggered so that the box body assembly (110) is in a detachable state.

In addition, the air conditioning device further includes an upright column (211), the upright column (211) and the outdoor unit (230) are relatively fixed, and the box body (111) can be rotatably connected to the upright column (211).

In some embodiments, the air conditioning device may further include a fan (161) and an isolation member (140), and the isolation member (140) may be installed within the receiving cavity to separate the receiving cavity from the circulating air duct, the circuit board assembly (120) and the heat exchanger (132) are arranged sequentially along the extending direction of the circulating air duct, the heat exchanger (132) is positioned on the connecting sheet (131), the heat exchanger (132) is positioned at the uppermost position of the receiving cavity, the heat exchanger (132) is configured to cool air passing through the heat exchanger (132) through a phase change of a cooling medium, and the fan (161) is configured to drive the air to flow along the circulating air duct.

It can be understood that when the fan (161) is operated, a cooling airflow can be formed within the receiving cavity, and the cooling airflow flows in the receiving cavity and sequentially passes through the heat exchanger (132) and the circuit board assembly (120), and when the cooling airflow flows into the connecting sheet (131) and passes through the top of the receiving cavity, when the cooling airflow passes through the heat exchanger (132), in the operating state of the heat exchanger (132), the heat exchanger (132) can cool the cooling airflow and absorb the heat of the cooling airflow passing through, thereby lowering the temperature of the cooling airflow, so that the temperature of the cooling airflow can be lower than the surface temperature of the circuit board assembly (120) during operation, so that when the cooling airflow passes through the circuit board assembly (120), it can exchange heat with the circuit board assembly (120), remove the heat of the circuit board assembly (120), and lower the temperature of the circuit board assembly (120), thereby achieving a heat dissipation effect.

What should be explained is that in the embodiment of the present application, by adopting a split design method for the box body assembly (110) of the electric control box (100), the box body (111) of the electric control box (100) is made movable with respect to the connection seat (131), that is, when the electric control box (100) is assembled into an air conditioner, the connection seat (131) can be relatively fixed, and the box body (111) is movable with respect to the connection seat (131), and a heat exchanger (132) through which a cooling medium passes is installed in the connection seat (131), and when maintenance of the air conditioner is required, only the box body (111) needs to be moved without moving the connection seat (131), and there is no need to cut the refrigerant pipeline and recover the cooling medium, so that the electric control box (100) is easy to remove and the convenience of maintenance is improved.

What can be understood by those skilled in the art is that when the electric control box (100) is applied to an air conditioner, the electric control box (100) can be mounted inside the casing (210) of the air conditioner, and further components such as a compressor, a fan, and a cooling medium pipeline can be mounted inside the casing (210), and the connecting sheet (131) can be fixedly connected to the casing (210) of the air conditioner, and the box body (111) can be rotated with respect to the casing (210) of the air conditioner, so that relative movement of the box body (111) and the connecting sheet (131) can be implemented.

In some embodiments, the heat exchanger (132) may be an evaporator, and the heat exchanger (132) may be configured to perform cooling and temperature reduction through phase change of the refrigerant by connecting the heat exchanger (132) to the refrigerant passage (300) of the air conditioning device, that is, by performing the role of the heat exchanger (132) in the electric control box (100) using the cooling medium pipeline of the outdoor unit (230), a heat exchange effect may be achieved, and according to the operating principle of the evaporator, the phase change of the cooling medium may be used to absorb heat of the cooling air flow within the receiving cavity, thereby implementing a temperature reduction effect.

For example, the inlet of the evaporator is connected to a low-pressure liquid refrigerant path among the refrigerant paths (300), and the outlet of the evaporator is connected to a low-pressure gaseous refrigerant path among the refrigerant paths (300). Since the low temperature of the heat exchanger (132) only affects the air and airflow within the receiving cavity, heat dissipation using the cooled airflow can prevent condensation from occurring due to overcooling of the circuit board assembly (120), and ensure that the circuit board assembly (120) operates properly.

It can be understood that the refrigerant path (300) within the air conditioning device may be a circulation loop formed by sequentially connecting a compressor, a condenser, an expansion valve, and an evaporator within the air conditioning device, and the above-described members are communicated through a pipe for circulating the refrigerant, and the air conditioning device performs phase exchange through phase change during the circulation flow process of the refrigerant within the refrigerant path (300) to implement a cooling or heating function, and the heat exchanger (132) within the electric control box (100) may be connected to the main path of the refrigerant path (300) and may also be connected to a branch path of the refrigerant path (300), and the embodiment of the present application is not specifically limited thereto.

In an air conditioner, the electronic components of the circuit board assembly (120) of the electric control box (100) are subject to frequent inspection and maintenance. In many cases, the electric control box (100) must be removed from the casing of the air conditioner to the outside of the casing to inspect and maintain the electronic components within the electric control box (100). In the present application, the evaporator is installed within the electric control box, and the evaporator is connected to the flow path of the refrigerant system via a refrigerant pipe.

When the electronic components inside the electric control box (100) need to be inspected and maintained, if the entire electric control box (100) is completely removed outside the casing, the refrigerant pipeline connected to the evaporator needs to be destructively cut, and the cooling medium inside the refrigerant pipeline needs to be recovered; and when the electric control box (100) is mounted inside the casing after the inspection and maintenance are completed, the cut refrigerant pipeline needs to be rewelded, which is very cumbersome for the inspection and maintenance process. Other components, such as a compressor, a gas-liquid separator, and a complex refrigerant pipeline, are installed inside the casing of the air-conditioning outdoor unit, and when these components break down, the location of the electric control box (100) often needs to be moved to increase the working space.

In an embodiment of the present application, the box assembly (110) in the electric control box (100) adopts a split design and is divided into different components such as the box body (111) and the connection seat (131). The electronic components in the electric control box (100) are installed in the box body (111), the evaporator is mounted on the connection seat (131), and the evaporator is connected to the refrigerant system passage through the refrigerant pipeline. The box body (111) and the connection seat (131) are connected in a detachable manner, the connection seat (131) is fixedly mounted to the air conditioner, and the box body (111) is movable with respect to the connection seat. Accordingly, when the electronic components in the electric control box (100) need to be inspected and maintained, the electronic components installed in the box body (111) can be inspected or maintained by removing the box body (111) and the connection sheet (131) without having to remove the evaporator, thereby avoiding the cumbersome process of cutting and rewelding the refrigerant pipeline caused by removing the evaporator, and making the entire detachment and installation process simple and easy. At the same time, the relatively large-volume box body assembly (110) of the electric control box (100) can be easily removed, making inspection and maintenance of other components of the air conditioning outdoor unit more convenient.

In addition, when the electric control box (100) is applied to an air conditioner, the circuit board assembly (120) is used to control the operation of the air conditioner, for example, to control the operation of components such as a compressor and a fan within the air conditioner, and further, the circuit board assembly (120) can control the operation of a fan (161) within the electric control box (100).

It should be explained that, in the embodiment of the present application, the receiving cavity may be a sealed receiving cavity, and correspondingly, the electric control box (100) may be a sealed electric control box (100), and the cooling airflow inside the receiving cavity does not convect with the air outside the electric control box (100) when flowing, so that external dust or mosquitoes can be prevented from entering the receiving cavity, and when applied to an outdoor environment, it can also play the role of blocking rain and preventing corrosion, and at the same time, external water vapor is difficult to enter the electric control box (100), so that the water vapor content inside the receiving cavity of the electric control box (100) is limited, and when the heat exchanger (132) absorbs the cooling airflow to lower the temperature, it also has a dehumidifying effect on the air, so that condensation is difficult to occur inside the electric control box (100).

Below, the method of opposing installation of the box body (111) and the connecting sheet (131) and the specific structure inside the receiving cavity are described in detail.

In a possible embodiment, the box body (111) is installed so as to be rotatable about a vertical rotation axis with respect to the connecting sheet (131), that is, the box body (111) is a detachable moving member, and the rotation axis of the box body (111) extends along a vertical direction, thereby ensuring stability in the movement direction of the box body (111) with respect to the connecting sheet (131) and preventing interference from occurring when the box body (111) rotates with respect to the connecting sheet (131).

What can be understood is that when the electric control box (100) is applied to an air conditioner and the box body (111) needs to be moved, the box body (111) can be pulled to rotate outward of the air conditioner without having to remove the connecting sheet (131), and the box body (111) can be reversed to the outside of the casing (210) of the air conditioner, so that the worker can easily inspect and maintain the parts behind the box body (111), such as the compressor.

When the box body (111) and the connecting sheet (131) are wrapped together to form a receiving cavity, the box body (111) can be positioned directly below the connecting sheet (131), so that the box body (111) and the connecting sheet (131) can maintain a vertical arrangement layout for cooling airflow circulation and ensure the integrity of the receiving cavity; when the box body (111) moves relative to the connecting sheet (131), the projections of the box body (111) and the connecting sheet (131) in the vertical direction may not overlap, and the lower space of the connecting sheet (131) is exposed, so that inspection and maintenance of the components in the air conditioning device are easy.

In a possible embodiment, the box body (111) may have a first receiving cavity (101), and a first opening (1111) may be installed at the top of the first receiving cavity (101), the connecting sheet (131) may have a second receiving cavity (102), and a second opening (1311) may be installed at the bottom of the second receiving cavity (102), and when the box body assembly (110) is not disassembled, the first opening (1111) and the second opening (1311) are opposed to each other, and when the box body (111) moves with respect to the connecting sheet (131) and the box body assembly (110) is disassembled, the first opening (1111) and the second opening (1311) are staggered from each other.

It can be understood that when the first opening (1111) and the second opening (1311) are installed oppositely and communicate with each other, the first receiving cavity (101) and the second receiving cavity (102) can form a receiving cavity together, so that when the box assembly (110) is not removed, a closed space can be formed within the electric control box (100) for the flow of cooling air so as not to be affected by the external environment.

For example, the uppermost edge of the wall of the first receiving cavity (101) is wrapped to form a first opening (1111), and the shape of the first opening (1111) may be a square, and the box body (111) may also be a square, and since a certain space size must be provided inside the box body (111) in order to mount a component such as a circuit board assembly (120), the size of the first opening (1111) may be controlled by flanging the uppermost portion of the box body (111) inward, that is, the uppermost portion of the first receiving cavity (101) is flanged to form the first opening (1111), and the shape of the first opening (1111) may be a circle or another regular polygon, and the embodiment of the present application is not specifically limited thereto.

For example, the bottom edge of the second receiving cavity (102) can be wrapped to form a second opening (1311), and the shape of the second opening (1311) can be matched with the shape of the first opening (1111), which is not described further herein. Therefore, assembly of the member inside the connecting sheet (131) is easy.

In addition, a sealing member (not shown) is installed between the first opening (1111) and the second opening (1311), and the sealing member seals the peripheral sides of the first opening (1111) and the second opening (1311). The sealing member may be a sealing strip, a sealing gasket, or the like, and the material may be rubber, silicone, or the like, and the present application does not specifically limit this.

In some embodiments, the isolation member (140) may include a first isolation member (141) and a second isolation member (142), and the first isolation member (141) and the second isolation member (142) are installed sequentially from top to bottom along the vertical direction, and the first isolation member (141) is connected to the box body (111), and the second isolation member (142) is connected to the connecting sheet (131), so that the isolation member (140) forms a circulating air duct within the receiving cavity, while preventing the isolation member (140) from interfering when the box body (111) is opened.

For example, the first isolation member (141) may be connected to the box body (111) through a fastener such as a screw, a bolt, a buckle, etc., or the second isolation member (142) may be connected to the box body (111) through a welding method, or the second isolation member (142) may be inserted and connected to the receiving cavity, and a guide groove may be installed on the inner wall of the first receiving cavity (101) to limit the position, and the embodiment of the present application is not limited to a specific connection method between the first isolation member (141) and the box body (111). In addition, the second isolation member (142) may be installed in the connecting sheet (131) by adopting a method similar to that of the first isolation member (141), which is not described further herein.

In a possible embodiment, a first air duct may be formed on the inner wall of the first isolation member (141) and the first receiving cavity (101), and a second air duct may be installed on the inner wall of the second isolation member (142) and the second receiving cavity (102), and the first air duct and the second air duct have a head and a tail connected to form a circulation air duct, so that a cooling air stream can sequentially pass through the first receiving cavity (101) and the second receiving cavity (102) to form a circulation, thereby ensuring smooth circulation of the cooling air stream.

It can be understood that, due to the upper and lower layout of the connecting sheet (131) and the box body (111), the first air duct within the box body (111) may have an upwardly facing “U”-shaped structure, while the second air duct within the connecting sheet (131) may have a downwardly facing “U”-shaped structure, and the “U”-shaped first air duct and the “U”-shaped second air duct are docked to form an annular circulation air duct.

For example, the first isolation member (141) and the second isolation member (142) can both be isolation plates, the extension directions of the first isolation member (141) and the second isolation member (142) are the same, and the plate surfaces of the first isolation member (141) and the second isolation member (142) form the same plane, so that the first isolation member (141) and the second isolation member (142) can serve as good guides for the cooling airflow as a whole.

In a possible embodiment, the electric control box (100) provided in the embodiment of the present application may further include a hinge assembly, the hinge assembly is installed on the side of the box body (111), the hinge assembly may include a plurality of hinge members, the hinge members may include a first fixing part and a second fixing part that are rotatably connected to each other, the first fixing part is connected to the box body (111), and the second fixing part is configured to be connected to an upright pillar (211) on the outside of the electric control box (100), and since the box body (111) is flipped and opened laterally with respect to the connecting sheet (131), the mounting and connection of the box body (111) is easy.

It can be understood that the upright column (211) is installed in the air conditioner, the upright column (211) can extend in a vertical direction in the air conditioner, the hinge assembly can be a hinge structure, the first fixing part can be connected to the outer wall of the box body (111) through a screw fastening hole, and the second fixing part can be connected to the upright column (211) through a screw fastening hole.

For example, the hinge assemblies may be plural, and the plurality of hinge assemblies may be distributed at intervals along the height direction of the box body (111), thereby improving the reliability and stability of mounting the box body (111). Specifically, the number of hinge assemblies may be two, three, or more, and the embodiment of the present application is not specifically limited thereto.

In some embodiments, the electric control box (100) provided in the embodiments of the present application may further include a water receiving tray (not shown), and the water receiving tray may be located at the bottom of the heat exchanger (132) and surround the bottom end of the heat exchanger (132), and a drain hole may be openly installed in the connecting sheet (131), and the water receiving tray and the drain hole are connected to each other.

It can be understood that the water receiving tray can receive the condensate of the heat exchanger (132) and prevent the condensate from falling and affecting other parts inside the electric control box (100), and the shape of the water receiving tray can be matched with the vertical projection shape of the heat exchanger (132).

What needs to be explained is that there may be a gap between the side wall of the water receiving tray and the side wall of the connecting sheet (131), and the water receiving tray may be installed within the connecting sheet (131), may be installed within the box body (111), and when installed within the box body (111), may be installed at the bottom of the box body (111) to avoid the circulation path of the cooling air current and ensure smooth circulation of the cooling air current.

In a possible embodiment, a first cavity (1011) and a second cavity (1012) may be formed between the opposing side walls of the isolation member (140) and the receiving cavity, respectively, and a first ventilation hole (1411) and a second ventilation hole (1412) may be formed between the upper and lower ends of the isolation member (140) and the wall of the receiving cavity, respectively, and the upper ends of the first cavity (1011) and the second cavity (1012) may be communicated through the first ventilation hole (1411), and the bottom ends of the first cavity (1011) and the second cavity (1012) may be communicated through the second ventilation hole (1412), and the first cavity (1011), the first ventilation hole (1411), the second cavity (1012), and the second ventilation hole (1412) may together form a circulating air duct, thereby cooling. Since the airflow can circulate efficiently within the receiving cavity, the temperature of the cooling airflow can be maintained within a reasonable range, and good heat dissipation effect is ensured.

In order to improve heat dissipation efficiency, a radiator (150) may be installed inside the electric control box (100), and the radiator (150) may also be positioned in the receiving cavity, and the radiator (150) may be understood as an extension of a heat dissipation surface or a heat dissipation structure of the circuit board assembly (120), and the heat of the circuit board assembly (120) may be transferred to the radiator (150), so that when the cooling airflow passes through the radiator (150), the heat may be effectively removed to achieve a better heat dissipation effect.

As can be understood by those skilled in the art, the circuit board assembly (120) may include a circuit board (121) and a plurality of electrical components (122), and the plurality of electrical components (122) are installed on the circuit board (121) and electrically connected to form a circuit structure, and when the circuit board assembly (120) operates, the electrical components (122) mainly generate heat, and the heat is transferred to the circuit board (121), and when a cooling airflow passes through the circuit board assembly (120), the electrical components (122) and the circuit board (121) are blown to remove some of the heat.

For example, the electrical components (122) include, but are not limited to, controllers, capacitors, filters, reactors, terminal blocks, etc., and the present application does not limit the circuit structure in which the electrical components (122) are connected to each other. In addition, the electrical components (122) may be connected to an external power source or electrical member through a cable, and a wire hole may be installed in the electrical control box (100), and a sealing rubber ring may be installed to act as a seal in the wire hole to prevent overflow of cooling air flow.

In some embodiments, the circuit board assembly (120) may be installed in the first cavity (1011), and the heat sink (150) may be installed in the second cavity (1012), and the two are respectively connected to both sides of the first isolation member (141), and the heat sink (150) is thermally conductively connected to the electrical components, so that heat of the circuit board assembly (120) can be conducted using the heat sink (150), thereby increasing the effective air cooling and heat dissipation area of the circuit board assembly (120) and improving heat dissipation efficiency.

For example, the radiator (150) may be relatively independent of the circuit board assembly (120), and when assembled, the radiator (150) may be mounted on a side of the circuit board (121) that faces away from the electrical components (122), or the radiator (150) may be used as a derivative structure of the circuit board (121) and fixedly connected to the circuit board (121) or formed integrally with the circuit board (121), wherein the circuit board (121) may be a mounting plate for the electrical components (122), and the embodiments of the present application are not specifically limited thereto.

In some embodiments, the radiator (150) may have a plurality of radiator fins, the plurality of radiator fins are installed at intervals, a gap is provided between the radiator fins for airflow circulation, and the cooling airflow can remove heat from the radiator fins when passing through the gap between the radiator fins, thereby increasing the contact area between the cooling airflow and the radiator fins.

In some other embodiments, the radiator (150) may have a heat dissipation passage, and the heat dissipation passage may extend along the flow direction of the cooling airflow, and the cooling airflow may pass through the radiator (150) through the heat dissipation passage, and when the cooling airflow and the inner wall of the heat dissipation passage come into contact, the heat of the radiator (150) may be removed, so as to ensure a heat dissipation effect, and may also serve to guide the flow of the cooling airflow.

What needs to be explained is that the fan (161) can be installed inside the box body (111) and positioned on one side of the first isolation member (141) toward the first cavity (1011), and the cooling airflow formed by the fan (161) can flow clockwise or counterclockwise in the receiving cavity. Taking the clockwise flow of the cooling air stream as an example, the cooling air stream flows upward from the air discharge side of the fan (161), passes through the first vent (1411), and then flows from the first cavity (1011) to the second cavity (1012), then flows downward, passes through the heat exchanger (132) and the radiator (150) sequentially, reaches the bottom of the second cavity (1012), passes through the second vent (1412), enters the first cavity (1011), then flows upward from the bottom of the first cavity (1011), passes through the circuit board assembly (120), and returns to the air inlet side of the fan (161). The cooling air stream flowing counterclockwise is opposite to the above process and is not described further herein.

In the air conditioning device provided in the present application, an electric control box (100) is installed in a casing (210), an upright column (211) is installed in the casing (210), a cross beam (213) is installed at the top of the casing (210), a box body (111) of the electric control box (100) is rotatably connected to the upright column (211), and a connection sheet (131) of the electric control box (100) is mounted on the cross beam (213).

It can be understood that the upright column (211) is located at the front side of the casing (210) and can extend from the top of the casing (210) to the bottom of the casing (210), the cross beams (213) can be two, and the connecting sheet (131) can be mounted between the two cross beams (213).

In some embodiments, the air conditioning device further comprises a position-limiting assembly, the position-limiting assembly being relatively fixed to at least one of the box body (111) and the connecting sheet (131) and fixing the box body (111) in a first position, the first position meaning a position in which the box body (111) is closed relative to the connecting sheet (131), the two surrounding each other to form a receiving cavity.

Here, the position-limiting assembly may include a position-limiting member (180), and the position-limiting member (180) is installed on the connecting sheet (111) or the connecting sheet (131), and the position-limiting member (180) is stoppably installed on the rotational orbit of the box body (111) to stop the box body (111) at the first position.

It can be understood that the position-limiting member (180) can be positioned at the uppermost edge of the box body (111), the position-limiting member (180) protrudes from the box body (111), and the uppermost edge of the casing (210) is provided with a position-limiting surface (214), and the position-limiting member (180) and the position-limiting surface (214) are in contact, so that when the box body assembly (110) is not removed, the relative positions of the box body (111) and the connecting sheet (131) can be accurately secured so that the box body (111) and the connecting sheet (131) face each other.

Referring to FIGS. 18 to 29, in some embodiments, the box assembly (110) includes a box body (111) and a connection sheet (131) installed on a horizontal side of the box body (111), and the box body (111) and the connection sheet (131) are movably connected so that the box body (111) can be moved to a position where it is horizontally docked with the connection sheet (131), or moved to a position where it is offset from the connection sheet (131), wherein, when the box body (111) and the connection sheet (131) are docked, the box body (111) and the connection sheet (131) surround each other to form a receiving cavity, and when the positions of the box body (111) and the connection sheet (131) are offset, the box assembly (110) is in a dismounted state; The circuit board assembly (120) is installed within the box body (111), the heat exchanger (132) is installed within the connection sheet (131), and the heat exchanger (132) and the circuit board assembly (120) are both located within the receiving cavity when the box body (111) and the connection sheet (131) are docked.

In the air conditioning device provided in the present application, the box body (111) and the connection sheet (131) are movably connected, and when used normally, the box body (111) and the connection sheet (131) are docked and surrounded to form a receiving cavity, and the airflow cooled by the heat exchanger (132) in the connection sheet (131) can be introduced into the box body (111) to exchange heat and cool the electric element (122), thereby ensuring a cooling and temperature-lowering effect for the electric element (122); When removing and maintaining, the box body (111) can be moved to a position opposite to the connection seat (131) so that the box body (111) and the connection seat (131) are in a removed state, so that the removal, inspection and maintenance of the circuit board assembly (120) are no longer restricted by the heat exchanger (132) mounted within the connection seat (131), and therefore the maintenance and removal of the circuit board assembly (120) are easy and convenient to use.

In addition, in the air conditioning device provided in the present application, the heat exchanger (132) is not directly attached to the circuit board assembly (120) to exchange heat, thereby preventing the occurrence of condensation due to local overcooling of the circuit board assembly (120), preventing the condensation from affecting the normal operation of the circuit board assembly (120), and improving the safety of use.

In a possible embodiment, the box body (111) is configured to be rotatably installed along a rotational axis with respect to the connecting sheet (131) so that the box body (111) docks with and surrounds the connecting sheet (131) to form a receiving cavity, or the position of the box body (111) is staggered with respect to the connecting sheet (131). Since the box body (111) can be easily changed in position relative to the connection sheet (131) through the rotatable installation of the box body (111), when the box body (111) is inverted to dock with the connection sheet (131), the airflow cooled by the heat exchanger (132) in the connection sheet (131) can dissipate heat and cool the circuit board assembly (120) in the box body (111), and when the box body (111) is inverted to a position opposite to the connection sheet (131), the circuit board assembly (120) can be easily removed and maintained without being restricted by the heat exchanger (132) in the connection sheet (131), making inspection and maintenance easy.

In the air conditioning device provided in the present application, air passing through the heat exchanger (132) is changed into a cooling air stream, and heat is exchanged with the circuit board assembly (120) through the cooling air stream, thereby achieving the purpose of dissipating heat and lowering the temperature of the circuit board assembly (120), preventing the partial surface temperature of the circuit board assembly (120) from becoming too low, preventing the phenomenon of water vapor condensation due to overcooling of the circuit board assembly (120), preventing the occurrence of condensation, ensuring normal operation of the circuit board assembly (120), and reducing the possibility of occurrence of safety accidents.

The air conditioning device provided in this embodiment includes an indoor unit (220) and an outdoor unit (230). The indoor unit (220) and the outdoor unit (230) are connected to each other, and an electric control box is located inside the outdoor unit (230). The indoor unit (220) and the outdoor unit (230) are connected through a refrigerant passage (300).

In a possible embodiment, the air conditioning device further comprises a refrigerant passage (300), and the heat exchanger (132) comprises an evaporator. An inlet of the evaporator is connected to a low-pressure liquid refrigerant passage (300) of the refrigerant passage (300), and an outlet of the evaporator is connected to a low-pressure gaseous refrigerant passage (300) of the refrigerant passage (300).

The evaporator is connected to a refrigerant passage (300), and cools air passing through the surface of the evaporator through a phase change of the refrigerant passing through the evaporator. The refrigerant in the refrigerant passage (300) is in a liquid state before flowing into the evaporator inlet, and after passing through the evaporator, it changes into a gaseous state and is transported. Since the refrigerant in the evaporator changes from a liquid state to a gaseous state or a gas-liquid mixed state, it absorbs a large amount of heat from the air in the receiving cavity, thereby achieving a temperature-lowering and heat-radiating effect for the air in the receiving cavity.

In a possible embodiment, the circuit board assembly (120) includes an electrical component (122), and the electrical component (122) is installed within a box body (111). The box body (111) serves to protect the electrical component (122) and allows the airflow cooled by the heat exchanger (132) to sufficiently contact the electrical component (122) to cool and dissipate the heat of the electrical component (122).

In a possible embodiment, the casing comprises a support frame (215), an upright column is installed within the support frame (215), the upright column and the air conditioning device are relatively fixed, an electric control box is installed within the support frame (215), and a connecting sheet (131) is connected within the support frame.

In a possible embodiment, when the box body (111) is inverted to a position where it is horizontally docked with the connecting sheet (131), the inner cavities of the connecting sheet (131) and the box body (111) communicate with each other and surround each other to form a receiving cavity; when the box body (111) is inverted to a position where it is offset from the connecting sheet (131), at least a portion of the box body (111) extends outside the support frame (215).

In normal use, the box body (111) is inverted to a position where it is horizontally docked with the connection sheet (131), the internal cavities of the box body (111) and the connection sheet (131) are connected to each other, the heat exchanger (132) in the connection sheet (131) cools the airflow passing through the heat exchanger (132) through the phase change of the refrigerant, and the cooled airflow is introduced into the box body (111) to exchange heat and cool the electric element (122); when removing and maintaining, simply inverting the box body (111) causes the box body (111) to be inverted from a position where it is horizontally docked with the connection sheet (131) to a position where it is offset from the connection sheet (131), and at least a portion of the box body (111) can be extended to the outside of the support frame (215) to expose the electric element (122), so that maintenance and removal are easy; After maintenance is completed, the box body (111) is flipped from a position where it is staggered with the connecting sheet to a position where it is docked horizontally with the connecting sheet (131), making installation easy and saving time and effort.

When the box body (111) is inverted to a position where it is horizontally docked with the connecting sheet (131), the inner cavities of the connecting sheet (131) and the box body (111) are in communication with each other and surround each other to form a circulating air duct; when the box body (111) is inverted to a position where it is staggered with the connecting sheet (131), at least a portion of the connecting sheet (131) extends outside the support frame (215).

In a possible embodiment, the fan (161) is further included, and the fan (161) is configured to drive air to flow within the receiving cavity so that air passing through the heat exchanger (132) flows to the circuit board assembly (120). Under the action of the fan (161), the airflow is driven to circulate within the receiving cavity so that the airflow cooled by the heat exchanger (132) heat-exchanges and cools the electrical component (122).

The heat exchanger (132) absorbs heat through a phase change of the refrigerant passing through the inside thereof, thereby lowering the temperature of the air passing through the surface of the heat exchanger (132) to form a cooling airflow, and the fan (161) provides power to the circulation of the airflow within the circulating air duct, so that the airflow cooled by the heat exchanger (132) within the connecting sheet (131) is transferred into the box body (111) to heat-exchange and cool the electric element (122), and the airflow from which the heat of the electric element (122) has been removed is transferred back into the connecting sheet (131) to be cooled by the heat exchanger (132), thereby implementing the circulation of the airflow, heat-exchanging and cooling the electric element (122), preventing the temperature of the electric element (122) from being too high, thereby affecting the usability and usability lifespan, and preventing the temperature of the electric element (122) from being too high, thereby causing a safety hazard such as a fire; At the same time, the cooling air current having a low temperature cools and lowers the temperature of the electric element (122). Since the cooling air current having a low temperature is less likely to cause water vapor condensation even when it meets the surface of the electric element (122) having a high temperature, condensation on the electric element (122) is prevented.

Inside the casing, a rotation axis is provided that extends along the arrangement direction of the box body (111) and the connecting sheet (131). When the box body (111) is inverted, it rotates around the rotation axis with the axial direction of the rotation axis as the rotation center axis, and the inversion direction of the box body (111) is determined by the extension direction of the rotation axis.

In a possible embodiment, in order to facilitate the inversion movement of the box body (111), the rotation axis may extend along the arrangement direction of the box body (111) and the connecting sheet (131), and the rotation axis may extend horizontally. This structure facilitates the inversion movement of the box body (111), and when the box body (111) is inverted to a position where it is horizontally docked with the connecting sheet (131), the inner cavities of the connecting sheet (131) and the box body (111) communicate with each other and surround each other to form a receiving cavity. Referring to FIG. 20, the direction indicated by the arrow X in FIG. 20 indicates the extension direction of the rotation axis.

What is easy to understand is that when the connecting sheet (131) and the box body (111) are arranged in the left-right direction, the rotation axis extends along the left-right direction within the horizontal plane; when the connecting sheet (131) and the box body (111) are arranged in the front-back direction, the rotation axis extends along the front-back direction within the horizontal plane.

To facilitate mounting of the box body (111), the support frame (215) includes a cross beam (213), and the box body (111) is rotatably installed on the cross beam (213) and inverted relative to the connecting sheet (131).

In a possible embodiment, referring to FIG. 18, the cross beam (213) is positioned at the top or bottom of the connecting sheet (131) and is relatively fixed to the connecting sheet (131), and the connecting sheet (131) and the box body (111) are respectively installed at different positions in the longitudinal direction of the cross beam (213).

In a possible embodiment, the cross beam (213) may be a strip-shaped plate, each end of which is fixed to each of the two side walls of the support frame (215). When the cross beam (213) is positioned at the top of the connecting sheet (131), a certain gap is provided between the bottom of the box body (111) and the bottom surface of the support frame (215), thereby ensuring that the inversion movement of the box body (111) is not affected, and similarly, when the cross beam (213) is positioned at the bottom of the connecting sheet (131), a certain gap is provided between the top of the box body (111) and the top surface of the support frame (215), thereby ensuring that the inversion movement of the box body (111) is not affected.

The control device further comprises a hinge device (216), and the box body (111) is hingedly connected to the support frame (215) via the hinge device (216). In a possible embodiment, the box body (111) is hingedly connected to the cross beam (213) via the hinge device (216).

In a possible embodiment, the hinge device (216) includes a first hinge (2161), a second hinge (2162), and a hinge axis (2163), the first hinge (2161) is rotatably connected to the second hinge (2162) via the hinge axis (2163), the first hinge (2161) is fixed to an outer wall of the box body (111), a cross beam (213) is connected to a front end of the support frame (215), and the second hinge (2162) is fixed to the cross beam (213). The first hinge (2161) may be connected to the outer wall of the box body (111) via a screw, and the second hinge (2162) may be connected to the cross beam (213) via the screw.

What is easy to understand is that if the hinge device (216) is a hinge, the rotation axis is the hinge axis (2163).

In a possible embodiment, the support frame (215) is provided with a first upright column facing the connection sheet (131) and a second upright column positioned away from the connection sheet (131), a rotational axis is fixedly connected between the first upright column and the second upright column, and the box body (111) is rotatable about the rotational axis, so that the box body (111) is rotatably installed between the first upright column and the second upright column and is inverted with respect to the connection sheet (131).

In a possible embodiment, both ends of the first upright column may be respectively connected to the top surface and the bottom surface of the support frame (215), both ends of the second upright column may be respectively connected to the top surface and the bottom surface of the support frame (215), and both ends of the rotational shaft may be rotatably connected to the first upright column and the second upright column, respectively, and the box body (111) is positioned between the first upright column and the second upright column and fixedly connected to the rotational shaft, thereby implementing a reverse movement of the box body (111) through rotation of the rotational shaft with respect to the first upright column and the second upright column.

In order to ensure that the inner cavities of the connecting sheet (131) and the box body (111) are all in communication with each other whenever the box body (111) is inverted to a position where it is horizontally docked with the connecting sheet (131), the box body (111) is provided with a first position limiting device (1115), and consistency is ensured whenever the box body (111) is inverted to a position where it is horizontally docked with the connecting sheet (131) through the first position limiting device (1115).

When the box body (111) is positioned in a horizontally docked position with the connecting sheet (131), at least one of the connecting sheet (131) and the supporting frame (215) comes into contact with the first position-limiting device (1115). In order to maintain balance when the box body (111) is position-limited, the first position-limiting device (1115) includes flanges installed on both outer walls of the box body (111), and the flange of one outer wall of the box body (111) comes into contact with the connecting sheet (131), and the flange of the other outer wall of the box body (111) comes into contact with the supporting frame (215).

In a possible embodiment, the first position limiting device (1115) may be a stopper, which contacts at least one of the connecting sheet (131) and the support frame (215) through the stopper to limit the rotational extreme positions of the box body (111).

In a possible embodiment, a second position limiting device may be installed between the box body (111) and the support frame (215) to prevent the box body (111) from falling and being damaged whenever it is inverted to a position opposite to the connecting sheet, and the second position limiting device may be an elastic cable, the two ends of which are respectively tied between the box body (111) and the support frame (215).

The side of the connecting sheet (131) is provided with two ventilation holes installed at an angle, and the side wall of the box body (111) is provided with two openings installed at an angle, and the ventilation holes and openings are correspondingly connected to each other to form a circulation air duct together.

In a possible embodiment, the two ventilation holes installed at an angle on the side of the connecting sheet (131) are respectively a first air inlet (1312) and a first air outlet (1313), and referring to FIG. 24, the two openings installed at an angle on the side wall of the box body (111) are respectively a second air inlet (1112) and a second air outlet (1113), and referring to FIGS. 23 and 24, the first air inlet (1312) and the second air outlet (1113) are connected to each other, and the first air outlet (1313) and the second air inlet (1112) are connected to each other. Referring to FIG. 24, the direction indicated by the arrow in FIG. 24 represents the airflow direction.

The first air inlet (1312) and the first air outlet (1313) are located on one side of the connecting sheet (131) toward the box body (111), and referring to FIGS. 21 to 23, the second air inlet (1112) and the second air outlet (1113) are located on one side of the box body (111) toward the connecting sheet (131), so that it is convenient to directly connect the first air inlet (1312) and the second air outlet (1113) with each other, and to directly connect the first air outlet (1313) and the second air inlet (1112) with each other. The shapes of the first air inlet (1312) and the second air outlet (1113) match each other. The shapes of the first air outlet (1313) and the second air inlet (1112) match each other.

The first air inlet (1312) and the second air outlet (1113) are not limited to being rectangular openings, and may also be circular openings, elliptical openings, polygonal openings, etc. The first air outlet (1313) and the second air inlet (1112) are also not limited to being rectangular openings, and may also be circular openings, elliptical openings, polygonal openings, etc.

In a possible embodiment, the sealing property of the circulating air duct can be improved by installing a sealing member at a position where the first air inlet (1312) and the second air outlet (1113) come into contact, and installing a sealing member at a position where the first air outlet (1313) and the second air inlet (1112) come into contact. The sealing member can be a sealing rubber gasket or the like.

Since the inner cavities of the connecting sheet (131) and the box body (111) are connected to each other and surrounded together to form a circulation air duct, the airtightness of both the connecting sheet (131) and the box body (111) is further enhanced, thereby preventing dust, small organisms, etc. in the air from entering the circulation air duct, thereby ensuring normal operation of the air conditioner, and also effectively reducing the inflow of moist air from the outside and preventing condensation from occurring. In a possible embodiment, the fan (161) is installed in the box body (111), the fan (161) is installed in the second air inlet (1112), and the air discharge side of the fan (161) faces the electric element (122), and can be used to blow airflow cooled by the heat exchanger (132) to the electric element (122). The contact area between the wind blown from the air discharge side of the fan (161) and the electric element (122) should be as large as possible, and directly blowing the wind to the electric element (122) using the fan (161) is advantageous in improving the cooling and heat dissipation effect of the electric element (122).

In a possible embodiment, a guide passage (1114) is installed inside the box body (111), a first end of the guide passage (1114) is docked with the opening, a second end of the guide passage (1114) extends into the inside of the box body (111) and is installed facing the circuit board assembly (120), and a fan (161) is installed in the guide passage. The first end of the guide passage (1114) and the second end of the guide passage (1114) are each two ends in the longitudinal direction of the guide passage (1114).

In a possible embodiment, the first end of the guide passage (1114) is connected to the second air inlet (1112), the fan (161) is installed in the second end of the guide passage (1114), and the guide passage (1114) can guide the airflow introduced from the second air inlet (1112) to the upper or lower side of the electric element (122).

In a possible embodiment, the fan (161) is installed in the second air outlet (1113), and the air inlet side of the fan (161) faces the inside of the box (111) and is used to suck airflow inside the box (111) into the connecting sheet (131). The heat exchanger (132) is installed inside the connecting sheet (131), the circuit board assembly (120) is inside the box (111), and under the action of the fan (161), the airflow circulates in one direction to remove heat generated in the electric element (122) inside the box (111), and cools the air through the heat exchanger (132), thereby achieving the effect of heat dissipation and cooling the electric element (122), and ensuring the heat dissipation effect of the circuit board assembly (120).

In the air conditioning device provided in the present application, the formed circulation air duct is not connected to the outside, so that the influence of external temperature changes on the electric control box is reduced, the operating state of the electric control box is always maintained in a stable state, and interference caused by changes in factors such as ambient temperature and humidity can be reduced.

In a possible embodiment, the heat exchanger (132) is installed within the connecting sheet (131), wherein the heat exchanger (132) may be positioned near the top of the connecting sheet (131); the heat exchanger (132) may be positioned near the center of the connecting sheet (131); and the heat exchanger (132) may be positioned near the bottom of the connecting sheet (131).

In a possible embodiment, the heat exchanger (132) may be positioned close to the first air inlet (1312) of the connecting sheet (131); and the heat exchanger (132) may be positioned close to the first air outlet (1313) of the connecting sheet (131).

The air conditioning device provided in the present application, through the operation of the fan (161), causes airflow cooled by a heat exchanger (132) in a connecting sheet (131) to be discharged through a first air outlet (1313) and then discharged into a box (111) through a second air inlet (1112), and the cold airflow introduced into the box (111) removes heat dissipated in an electric element (122), is discharged from the second air outlet (1113), and is introduced into the connecting sheet (131) through the first air inlet (1312), thereby implementing internal circulation heat exchange of the airflow, efficiently dissipating heat and cooling the electric element (122), and ensuring that the electric element (122) always operates within an appropriate temperature environment.

In a possible embodiment, the first air inlet (1312) is located above the first air outlet (1313), and, referring to FIG. 24, the second air outlet (1113) is located above the second air inlet (1112). Through this structure, the airflow introduced into the box body (111) moves from the bottom to the top, preferentially cooling the electrical components (122) at the bottom of the circuit board assembly (120).

In another possible embodiment, the first air inlet (1312) is located below the first air outlet (1313), and, referring to FIG. 29, the second air outlet (1113) is located below the second air inlet (1112). Through this structure, the airflow introduced into the box body (111) moves from top to bottom to preferentially cool the electrical components (122) above the circuit board assembly (120).

In a possible embodiment, the box body (111) can be inverted to a position where it is horizontally docked with the connecting sheet (131), and the box body (111) can be fixedly connected to the support frame (215) by means of screws or the like so that the box body (111) can be stably maintained in the position where it is horizontally docked with the connecting sheet (131).

The support frame (215) is not limited to a cubic shape, and the support frame (215) may of course have other structures such as a polygonal frame. A sealing plate may be installed around the support frame (215), and a ventilation hole may be installed openly in the sealing plate.

In a possible embodiment, the box body (111) may be cubic in shape, and panels are installed on the periphery, top, and bottom of the box body (111) so that the circuit board assembly (120) is positioned within a relatively independent space.

The circuit board assembly (120) further includes a circuit board, and the circuit board is installed on the inner wall of the box body (111) through a screw connection or a snap connection method, but is not limited thereto, and the electric component (122) is fixed to the circuit board. The circuit board assembly (120) can be connected to a corresponding member outside the electric control box through a cable to transmit an electric signal. Here, the electric component (122) is not specifically limited, and may be an electric component (122) generally used in an electric control box.

In the air conditioning device provided in the present application, the box body (111) and the connection sheet (131) are independent and separated from each other, and the heat exchanger (132) is independently mounted within the connection sheet (131), so that the box body (111) and the connection sheet (131) can be relatively removed by moving the box body (111), so that the removal and maintenance of the circuit board assembly (120) within the box body (111) is easy without the need to remove the heat exchanger (132), and the removal and maintenance are even easier.

In the present application, the box body assembly (110) adopts a split design, and a large working space can be easily secured within the electric control box through relative movement of the box body (111) and the connecting sheet (131), so that inspection and maintenance of other components of the outdoor unit, such as a compressor (800), a gas-liquid separator, and a complex refrigerant pipeline, are easier.

Referring to FIG. 30 and combining FIGS. 1 to 8, in some embodiments, the heat exchanger (132) is an evaporator, the evaporator is connected to a refrigerant passage (300) of an air conditioning device, and is configured to perform cooling through a phase change of the refrigerant in the refrigerant passage (300), and for example, the inlet of the evaporator is connected to a low-pressure liquid refrigerant passage among the refrigerant passages (300), and the outlet of the evaporator is connected to a low-pressure gaseous refrigerant passage among the refrigerant passages (300), and the temperature of the airflow within the electric control box (100) is lowered by absorbing heat through the refrigerant changing from a liquid to a gaseous state. By dissipating heat using the cooled airflow, the occurrence of condensation due to overcooling of the circuit board assembly (120) is prevented, thereby preventing the occurrence of a malfunction such as a short circuit in the circuit board assembly (120) and ensuring that the circuit board assembly (120) operates properly.

Here, the refrigerant passage (300) in the air conditioning device may be a circulation loop formed by sequentially connecting a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger in the air conditioning device, and the above-mentioned members are communicated through a pipe for circulating the refrigerant, and the air conditioning device performs phase exchange through phase change in the circulating flow process of the refrigerant in the refrigerant passage (300) to implement a cooling or heating function, and the heat exchanger (132) in the electric control box (100) may be connected to the main passage of the refrigerant passage (300) and may also be connected to a branch passage of the refrigerant passage (300), and the embodiment of the present application is not specifically limited thereto.

Additionally, it should be explained that a closed circulating air passage is formed within the receiving cavity, and the circulating air passage is configured to allow air cooled by the heat exchanger (132) to exchange heat with the circuit board assembly (120).

Figure 6 shows a schematic diagram of an air conditioning device.

Referring to FIG. 6, the air conditioning device includes an indoor unit (220) and an outdoor unit (230), and the outdoor unit (230) and the indoor unit (220) are connected to each other through a refrigerant pipeline, and components such as a compressor (800), an outdoor heat exchanger (231), an electronic expansion valve (700), and an indoor heat exchanger are connected to the refrigerant pipeline, and a heat exchanger (132) in an electric control box (100) can be connected between the electronic expansion valve (700) and the compressor (800) through a branch pipeline.

Taking the cooling process of an air conditioner as an example, the specific process is as follows. The compressor (800) compresses the gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then sends it to the outdoor heat exchanger (231) to perform heat exchange to form a room-temperature and high-pressure liquid refrigerant, transfers the heat of the refrigerant to the outside, and the liquid refrigerant is again introduced into the heat exchanger (132) in the electric control box (100) and the indoor heat exchanger of the indoor unit (220) through the electronic expansion valve (700), and the liquid refrigerant is changed into a gaseous low-temperature freezer after vaporization to implement heat exchange and cooling. The heat-exchanged refrigerant is then transferred to the compressor (800) again. In addition, the refrigerant pipeline may further include a four-way reversing valve (600), which changes the flow direction of the refrigerant in the refrigerant pipeline and implements heating of the air conditioner.

Based on the above, the electric control box (100) is installed in the outdoor unit (230), and the outdoor unit (230) may further include a compressor and an outdoor heat exchanger (132), etc. The indoor unit (220) may be considered as a type of indoor heat exchanger (132). Here, the compressor may be connected to the outdoor heat exchanger (132) and the indoor unit (220) to form a heat exchange loop, and an expansion valve and a control valve, etc. may be installed in the heat exchange loop to control the heat exchange loop. The heat exchange loop, the expansion valve, and the control valve constitute a main air conditioning pipeline of the air conditioning device, and the heat exchanger (132) in the electric control box (100) is connected to the main air conditioning pipeline and used as a branch of the main air conditioning pipeline, thereby controlling the air conditioning device (200) through the electric control box (100).

Specifically, the connection between each component within the main air conditioning pipeline and the cooling and heating principles of the air conditioning device are similar to the prior art, and therefore are not described further in this embodiment.

For example, the air conditioner (200) may be a centralized air conditioner, the indoor unit (220) may be installed indoors, the outdoor unit (230) may be installed outdoors, and both the indoor unit (220) and the outdoor unit (230) may be installed in multiple numbers, and the multiple indoor units (220) may be installed in the same indoor space or may be installed in different indoor spaces, and the multiple outdoor units (230) may all be provided with an electric control box (100) to control each of the different outdoor units (230), and the different outdoor units (230) may communicate with each other and cooperate with each other to implement joint operation of multiple hosts.

What needs to be explained is that the specific structure, functional principle, etc. of the electric control box (100) have already been explained in detail above, and therefore will not be explained further here. In addition, the outdoor unit (230) in the air conditioner adopts the air conditioner (200) of the above embodiment, and the air conditioner (200) adopts the entire technical solution of the electric control box (100) of the above embodiment, so that it has at least all the beneficial effects according to the technical solution of the above embodiment, and will not be described in detail here any further.

It should be understood that in the description of the present invention, the directional or positional relationships indicated by terms such as “center”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc. are based on the directional or positional relationships depicted in the drawings, and are only for the convenience of explaining and simplifying the explanation of the present invention, and do not indicate or imply that the mentioned devices or elements must have a specific direction or be configured and operated in a specific direction, and therefore should not be construed as limitations to the present invention.

Furthermore, the terms "first" and "second" are used for the purpose of description only and should not be construed as indicating or implying the relative importance or implicitly implying the number of technical features indicated. Accordingly, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "plurality" means at least two, for example, two, three, etc., unless explicitly and specifically limited otherwise.

Unless otherwise expressly defined and limited, the terms "mounting", "mutually connected", "connection", "fixing" and the like should be understood in a broad sense. For example, they may be fixedly connected, detachably connected, or formed as one piece; may be mechanically connected or electrically connected, or may be in communication with each other; may be directly connected or indirectly connected via an intermediate medium, and may be a communication relationship within two elements or an interaction relationship between two elements. A person of ordinary skill in the art to which the present invention pertains will understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise expressly provided and limited, a first feature that is "above" or "below" a second feature may directly contact the first and second features, or may indirectly contact the first and second features via an intermediary between the first and second features. Furthermore, when a first feature is referred to as being "above" or "below" a second feature, this may mean that the first feature and the second feature are in direct contact, or that the first feature and the second feature are in indirect contact via an intermediary. Also, when the first feature is referred to as being "above", "above", and "above the" second feature, this can mean that the first feature is directly above or at an angled upwards from the second feature, or simply that the first feature is at a higher level than the second feature. When the first feature is referred to as being "below", "below", and "above the" second feature, this can mean that the first feature is directly below or at an angled downwards from the second feature, or simply that the first feature is at a lower level than the second feature.

In the present invention, terms such as "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present specification, the exemplary expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, a person skilled in the art to which the present invention pertains may combine and combine different embodiments or examples described herein as well as features of different embodiments or examples without conflicting with each other.

Although the embodiments of the present invention have been illustrated and described above, the above-described embodiments are merely illustrative and should not be construed as limiting the present invention, and those skilled in the art may vary, modify, substitute and alter the above-described embodiments within the scope of the present invention.

Claims (33)

As an air conditioning device,
A casing and an electric control box are included, wherein the electric control box is installed within the casing; the electric control box includes a box assembly, a circuit board assembly and a heat exchanger assembly, wherein the box assembly includes a box body and a connecting sheet, wherein the circuit board assembly is fixed within the box body, and the heat exchanger assembly is connected to the connecting sheet;
An air conditioning device, wherein the box body and the heat exchanger assembly are movably connected, the box body having a first position and a second position with respect to the heat exchanger assembly, wherein when the box body is positioned at the first position with respect to the heat exchanger assembly, the box body and the heat exchanger assembly surround each other to form a receiving cavity; and when the box body is positioned at the second position with respect to the heat exchanger assembly, the box body and the heat exchanger assembly are in a separated state. In the first paragraph,
An air conditioning device characterized in that the box body is removably installed on the connecting sheet; the connecting sheet has an accommodation space, and the heat exchanger assembly is configured to dissipate heat from the circuit board assembly; and the heat exchanger assembly is pullably installed relative to the connecting sheet, and the heat exchanger assembly has a first position located within the accommodation space and a second position extended outside the accommodation space. In the second paragraph,
An air conditioning device characterized in that the box body is installed on the upper part of the connecting sheet, and the heat exchanger assembly is pulled horizontally with respect to the connecting sheet. In the first paragraph,
An air conditioning device, wherein the heat exchanger assembly includes a shell and a heat exchanger, and when the heat exchanger assembly is positioned within the receiving space of the connecting sheet, the box body and the shell together constitute the receiving cavity, and the heat exchanger is received within the receiving cavity to dissipate heat from the circuit board assembly. In paragraph 4,
An air conditioning device, characterized in that the connecting sheet includes a first support portion and a second support portion installed with a vertical gap therebetween, the first support portion and the second support portion surround each other to form the receiving space, the first support portion is used for docking with the box body, and the second support portion is used for mounting the heat exchanger. In paragraph 5,
An air conditioning device characterized in that a flange is provided on the uppermost edge of the shell, and the flange is in close contact with the bottom surface of the first support. In the second or third paragraph,
An air conditioning device, wherein the connecting sheet surrounds and forms a lateral opening communicating with the receiving space, the lateral opening being configured to allow the heat exchanger assembly to be withdrawn from within the receiving space. In Article 7,
An air conditioning device characterized in that a guide surface is installed on the edge of the lateral opening, and the guide surface gradually slopes outward from the inside of the lateral opening toward the outside of the lateral opening. In the first paragraph,
An air conditioning device characterized in that a rotating shaft is installed within the casing, and the box body is installed to be rotatable relative to the connecting sheet through the rotating shaft. In Article 9,
An air conditioning device characterized in that the box body rotates along a vertical rotation axis, and when the box body rotates to the first position with respect to the heat exchanger assembly, the box body can rotate above the connection sheet and surrounds the heat exchanger assembly of the connection sheet to form the receiving cavity; and when the box body rotates to the second position with respect to the heat exchanger assembly, the horizontal positions of the box body and the connection sheet are staggered, and the box body and the heat exchanger assembly are in a separated state. In Article 10,
An air conditioning device characterized in that the bottom wall of the box body and the top wall of the connecting sheet are parallel to each other, and when the box body is positioned at the first position, the bottom wall of the box body and the top wall of the connecting sheet are in close contact with each other. In Article 11,
An air conditioning device, characterized in that when the box body is positioned at the first position, the side wall of the box body and the side wall of the connecting sheet form the same plane, and the electric control box has a flat outer wall. In any one of Articles 10 to 12,
An air conditioning device, characterized in that when the box body is positioned at the second position, the projection ranges of the box body and the connecting sheet in the vertical direction do not overlap each other. In any one of Articles 10 to 12,
An air conditioning device further comprising an upright column, wherein the upright column and the air conditioning device are relatively fixed, the upright column forming the vertical axis of rotation, and the box body being rotatably connected to the upright column. In Article 14,
An air conditioning device further comprising a hinge assembly, wherein the hinge assembly comprises a plurality of hinge members, the hinge members comprising a first fixing portion and a second fixing portion, the first fixing portion being fixed to the box body, the second fixing portion being fixed to the upright column, and the first fixing portion and the second fixing portion being rotatably connected. In Article 14,
An air conditioning device further comprising a position-limiting assembly, wherein the position-limiting assembly is relatively fixed to at least one of the box body and the connecting sheet, and is characterized in that it fixes the box body to the first position. In Article 16,
An air conditioning device, wherein the position-limiting assembly includes a position-limiting member, the position-limiting member is installed on the connecting sheet or the connecting sheet, and the position-limiting member is stoppably installed on the rotational orbit of the box body to stop the box body at the first position. In Article 9,
An air conditioning device characterized in that the connecting sheet and the box body are sequentially connected from top to bottom, the box body is rotatably installed with respect to the connecting sheet, and when the box body is positioned at the first position, the box body rotates downward toward the connecting sheet and is surrounded together with the heat exchanger assembly of the connecting sheet to form the receiving cavity; and when the box body is positioned at the second position, the horizontal positions of the box body and the connecting sheet are staggered, and the box body and the heat exchanger are in a separated state. In Article 18,
When the box body is positioned at the first position with respect to the heat exchanger assembly, the box body is positioned directly below the connecting sheet;
An air conditioning device, characterized in that when the box body is positioned at the second position with respect to the heat exchanger assembly, the projections of the box body and the connecting sheet in the vertical direction do not overlap each other. In the first paragraph,
An air conditioning device characterized in that the connecting sheet is installed on the horizontal side of the box body, the box body and the connecting sheet are movably connected, and when the box body is positioned at the first position, the box body and the connecting sheet are horizontally docked; and when the box body is positioned at the second position, the box body and the connecting sheet are staggered from each other. In Article 9,
An air conditioning device characterized in that the casing includes a support frame, an upright column is installed within the support frame, the upright column and the air conditioning device are relatively fixed, and the connecting sheet is connected within the support frame. In Article 21,
An air conditioning device characterized in that the support frame comprises a first upright column facing the connection sheet side and a second upright column positioned on the side away from the connection sheet, and the box body is rotatably installed between the first upright column and the second upright column via the rotation axis and is inverted with respect to the connection sheet. In Article 21,
An air conditioning device characterized in that when the box body is inverted to a position where it is horizontally docked with the connecting sheet, the inner cavity of the connecting sheet and the box body are in communication with each other; and when the box body is inverted to a position where it is offset from the connecting sheet, at least a portion of the box body extends outwardly of the support frame. In any one of paragraphs 4 to 6,
An air conditioning device characterized in that the shape of the above-mentioned accommodation space and the shape of the above-mentioned shell match each other. In any one of claims 1 to 6,
The box body has a first receiving cavity and a first opening communicating with the first receiving cavity, and the connecting sheet has a second receiving cavity and a second opening communicating with the second receiving cavity;
An air conditioning device characterized in that when the box body is positioned at the first position, the first opening and the second opening are installed oppositely and communicate with each other, so that the first receiving cavity and the second receiving cavity together form the receiving cavity. In Article 25,
An air conditioning device further comprising a sealing member, wherein when the box body is positioned at the first position, the first opening and the second opening are sealed by the sealing member. In any one of claims 1 to 26,
An air conditioning device characterized in that the heat exchanger assembly is an evaporator, the evaporator is connected to a refrigerant passage of the air conditioning device, and is configured to perform cooling through a phase change of the refrigerant in the refrigerant passage. In Article 27,
An air conditioning device, characterized in that the inlet of the evaporator is connected to a low-pressure liquid refrigerant passage among the refrigerant passages, and the outlet of the evaporator is connected to a low-pressure gaseous refrigerant passage among the refrigerant passages. In Article 28,
An air conditioning device, characterized in that a closed circulation air passage is formed within the receiving cavity, and the circulation air passage is configured to allow air cooled by the heat exchanger to exchange heat with the circuit board assembly. In Article 29,
An air conditioning device further comprising an isolation member, wherein the isolation member is connected to at least one of the connecting sheet and the box body to separate the receiving cavity from the circulating air passage. In Article 30,
An air conditioning device, characterized in that the isolation member includes a first isolation member connected to the box body and a second isolation member connected to the connection sheet, the first isolation member and the second isolation member are installed sequentially in a vertical direction, the circuit board assembly is connected to the first isolation member, and the heat exchanger is connected to the second isolation member. In Article 31,
An air conditioning device further comprising a fan assembly, wherein the fan assembly comprises at least one fan installed within the circulating air passage, the fan configured to drive air to flow unidirectionally along the circulating air passage so that the air is cooled by the heat exchanger and then flows to the circuit board assembly to cool the circuit board assembly. In any one of claims 1 to 6,
An air conditioning device comprising an indoor unit and an outdoor unit, wherein the indoor unit and the outdoor unit are connected, and the casing is installed in the outdoor unit.