CN218379669U - Air conditioner - Google Patents

Abstract

The application relates to the technical field of air conditioning equipment, and particularly discloses an air conditioning device which comprises a refrigerant flow path and an electric control box, wherein the electric control box comprises a box body, a circuit board assembly and an evaporator, and the evaporator is connected to the refrigerant flow path and is configured to cool through the phase change of a refrigerant flowing through the evaporator; an airflow channel is formed in the box body, and the circuit board assembly and the evaporator are arranged in the airflow channel; the evaporator is configured to cool an air flow passing through the evaporator, so that the air in the air flow channel sinks when cooled or rises when heated by heat of the circuit board assembly, thereby circulating in the air flow channel. This application aims at improving the radiating effect of automatically controlled box, ensures normal work.

Description

Air conditioner

Technical Field

The application relates to the technical field of air conditioning equipment, in particular to an air conditioning device.

Background

In the field of household appliances, particularly in air conditioning apparatuses, it is generally necessary to provide an electric control box in an air conditioning outdoor unit to control the operation of the relevant components. The power of the electric control components in the electric control box is high, the heat production amount is high during work, so that heat dissipation needs to be carried out on the electric control components, and in order to achieve a good heat dissipation effect of the electric control box, the mode of adhering a refrigerant pipe to the back of a circuit board is generally adopted to dissipate heat of electronic elements on the circuit board. However, the condensation is easy to generate, the normal operation of electrical components is affected, and even potential safety hazards are generated.

Disclosure of Invention

The main purpose of this application is to provide an air conditioning equipment, aims at improving the radiating effect of automatically controlled box, ensures normal work.

In order to achieve the above object, the air conditioning device provided by the present application includes a refrigerant flow path and an electric control box, where the electric control box includes a box body, a circuit board assembly and an evaporator, and the evaporator is connected to the refrigerant flow path and configured to cool by phase change of a refrigerant flowing through the evaporator;

an airflow channel is formed in the box body, and the circuit board assembly and the evaporator are arranged in the airflow channel; the evaporator is configured to cool an air flow passing through the evaporator so that the air in the air flow passage sinks when cooled or rises when heated by heat of the circuit board assembly to circulate in the air flow passage.

The application provides an air conditioning equipment set up in the automatically controlled box the evaporimeter connect in the refrigerant flow path, the refrigerant of circulation takes place the phase transition during the flow through in the refrigerant flow path the evaporimeter, and absorb heat in the box body, thereby make the process the air cooling of evaporimeter becomes cooling air current, and passes through circuit board assembly's air is taken away the heat that circuit board assembly dispels becomes the hot gas flow, utilizes cooling air current to sink, and the hot gas flow rises to spontaneous drive air flow in the airflow path realizes the circulation heat dissipation, improves the radiating effect, and like this the evaporimeter passes through the phase transition of refrigerant and forms cooling air current, and cooling air does circuit board assembly cools off the cooling, avoids circuit board assembly surperficial local temperature crosses lowly and leads to circuit board assembly surface forms the condensation, thereby has ensured circuit board assembly normally works, reduces the emergence of unusual accident.

Further, an inlet of the evaporator is connected to a low-pressure liquid refrigerant flow path of the refrigerant flow paths, and an outlet of the evaporator is connected to a low-pressure gaseous refrigerant flow path of the refrigerant flow paths.

Furthermore, the periphery of the box body is sealed, and the airflow channel is a circulating channel for unidirectional circulation of air.

Furthermore, a first cavity and a second cavity are arranged inside the box body, and the first cavity and the second cavity are communicated through a first ventilation opening and a second ventilation opening respectively to form the airflow channel.

Further, the evaporator is located in the second cavity, the circuit board assembly is located in the first cavity, and the height of the evaporator relative to the box body in the vertical direction is higher than the height of the circuit board assembly relative to the box body.

Further, the evaporator is located in the upper half of the second cavity, and the circuit board assembly is located in the lower half of the first cavity.

Further, the electronic control box further comprises a partition, and the first cavity and the second cavity are separated by the partition.

Further, the first ventilation opening is located at the top of the partition, and the second ventilation opening is located at the bottom of the partition.

Further, still include the radiator, the radiator sets up the one side that is in the isolation part back to circuit board assembly, just heat conduction connection between the radiator and the circuit board assembly.

Furthermore, the box body comprises a box body and a connecting seat, the box body and the connecting seat are detachably connected and jointly enclose the airflow channel, the evaporator is connected with the connecting seat, and the circuit board assembly is connected in the box body.

Further, the air conditioner comprises an air conditioner indoor unit and an air conditioner outdoor unit, wherein the electric control box is arranged in the air conditioner outdoor unit.

The application provides an air conditioning device, through the evaporimeter that sets up in the automatically controlled box flows through the refrigerant of evaporimeter takes place the phase transition, makes process in the automatically controlled box the air of evaporimeter is cooled by the heat absorption to produce the air current that cools off, the air current does circuit board components dispels the heat the cooling, thereby has avoided circuit board components's local temperature crosses lowly and leads to circuit board components surface produces the condensation, avoids circuit board components takes place bad problems such as short circuit.

The beneficial effect of this application is the same with above-mentioned air conditioning equipment's beneficial effect, and no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an air conditioning apparatus provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of an electric control box of an air conditioning device according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of an electric control box of an air conditioning device according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a circuit board assembly and a spacer of an electric control box in an air conditioning device according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a circuit board assembly and another partition of a middle electric control box of an air conditioning apparatus according to an embodiment of the present application.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Electric control box	110	Box body
111	A first chamber	112	Second cavity
				120	Spacer	121	First ventilation opening
122	Second vent	123	Resisting part
				200	Circuit board assembly	210	Circuit board
220	Electronic component	300	Evaporator and evaporator assembly
				400	Heat radiator	600	Outdoor machine of air conditioner
610	Refrigerant flow path	620	Expansion valve
				630	Compressor	640	Condenser
650	Four-way reversing valve	700	Indoor unit of air conditioner

Detailed Description

In the correlation technique, be provided with automatically controlled box in the outdoor machine of air-conditioner, automatically controlled box is the neural position of control air conditioner operation, and the inside electronic components that are equipped with a lot of powerful electronic components usually of automatically controlled box, and these electronic components can produce a large amount of heats at the during operation, for example, high frequency inductance, intelligent power module etc. if not timely to the external heat dissipation, not only can arouse the circuit easily ageing, influence performance, reduce life, can arouse circuit potential safety hazard even.

In view of this, the present application provides an air conditioning apparatus, an evaporator is disposed in an electric control box of the air conditioning apparatus, and the heat of the air flowing through the surface of the evaporator is absorbed by utilizing the phase change of the refrigerant flowing through the inside of the evaporator, so as to cool the electronic components in the electric control box, and a fan is not needed, but the principle that the air in an airflow channel flows through the evaporator and sinks when being cooled, or the air in the airflow channel flows through a circuit board assembly and rises when being heated, is utilized, so as to realize the unidirectional circulation of the air in the airflow channel. The in-process of air current flow through the evaporimeter, the electronic components cooling in the automatically controlled box is given to the air current after the evaporimeter cooling, and this kind of radiating mode compares in pasting the radiating mode of refrigerant pipe at the circuit board back, can avoid circuit board local temperature to hang down excessively and lead to the circuit board surface to form the condensation. That is, the scheme of this application can enough realize the electronic components heat dissipation in the automatically controlled box, also can avoid the circuit board surface condensation to influence the normal work of electronic components on the circuit board to can promote air conditioner device's automatically controlled reliability.

An air conditioning apparatus provided in an embodiment of the present application is described below with reference to the drawings.

Referring to fig. 1, the air conditioning apparatus provided in the present application includes an indoor unit 700 and an outdoor unit 600, and further includes a refrigerant flow path 610 and an electronic control box 100, the indoor unit 700 and the outdoor unit 600 are connected through the refrigerant flow path 610, and the electronic control box 100 is located in the outdoor unit 600.

Referring to fig. 1 and 2, the electronic control box 100 includes a box body 110, a circuit board assembly 200, and an evaporator 300, wherein the evaporator 300 is connected to a refrigerant flow path 610 and configured to cool by phase change of a refrigerant flowing through the evaporator 300, that is, the refrigerant undergoes phase change when flowing through the evaporator 300, and absorbs heat of air flowing over a surface of the evaporator 300, so that the air in the box body 110 is cooled when passing through the evaporator 300.

An airflow channel is formed in the box body 110, and the circuit board assembly 200 and the evaporator 300 are both arranged in the airflow channel; the evaporator 300 is configured to cool the air flow passing through the evaporator 300, so that the air in the air flow passage sinks as it cools or rises as it heats due to the heat of the circuit board assembly 200, thereby circulating in the air flow passage. Because the evaporator 300 absorbs the heat of the air in the airflow channel by means of the phase change of the refrigerant, the air flowing through the evaporator 300 is cooled, so that the air in the airflow channel sinks when being cooled or rises when being heated under the action of the heat of the circuit board assembly 200, and the air is circulated in the airflow channel.

In the air conditioning device provided by the application, the refrigerant takes place the phase transition when flowing through the evaporator 300 in the electronic control box 100 to make the air current through the surface of the evaporator 300 cool down, become the cooling air current, and the heat that circuit board assembly 200 dispels is taken away to the air through circuit board assembly 200, becomes the hot gas flow. The cooling airflow naturally sinks, and the hot airflow naturally rises to automatically drive the air in the airflow channel to flow, so that the circulating heat dissipation is realized, and the heat dissipation effect is improved. In addition, because the air flowing through the evaporator 300 becomes cooling air flow, the cooling air flow is utilized to dissipate heat and cool the circuit board assembly 200, the local temperature on the surface of the circuit board assembly 200 is not too low, thereby avoiding the phenomenon that the circuit board assembly 200 is too cold to generate condensation, ensuring the normal work of the circuit board assembly 200 and reducing the occurrence of abnormal accidents.

The evaporator 300 is connected to the refrigerant flow path 610, and cools the air flowing through the surface of the evaporator 300 by the phase change of the refrigerant flowing through the evaporator 300, the refrigerant in the refrigerant flow path 610 is in a liquid state before entering the inlet of the evaporator 300, and is conveyed in a gaseous state after passing through the evaporator 300, and when the refrigerant in the evaporator 300 exchanges heat with the air in the air flow path, the refrigerant is changed from the liquid state to the gaseous state, so that a large amount of heat of the air in the air flow path is absorbed, and the effect of cooling and radiating the air in the air flow path is achieved.

In one possible embodiment, an inlet of the evaporator 300 is connected to the low-pressure liquid refrigerant passage 610 of the refrigerant passage 610, and an outlet of the evaporator 300 is connected to the low-pressure gaseous refrigerant passage 610 of the refrigerant passage 610. The liquid refrigerant flows through the evaporator 300, and when passing through the evaporator 300, the liquid refrigerant can generate phase change to change the liquid refrigerant into a gas state or a gas-liquid mixed state, and the phase change of the refrigerant can absorb heat, so that the evaporator 300 can achieve the purpose of absorbing the heat of the air in the airflow circulation channel through the phase change of the refrigerant, the air flowing through the surface of the evaporator 300 is cooled, and the heat dissipation effect is improved.

Referring to fig. 2 and 3, the direction indicated by the arrow indicates the flow direction of air in the electrical control box 100.

It will be readily appreciated that the hot gas stream tends to rise due to its low density as a result of the large distance between the gas molecules, whereas the cooling gas stream tends to sink due to its high density. The air flow in the air flow channel is moved by utilizing the density difference between the cooling air flow and the hot air flow.

The outer periphery of case 110 is sealed, and case 110 may have any shape, such as a cubic shape, a cylindrical shape, or a polygonal column.

In a possible implementation manner, the box body 110 has a first cavity 111 and a second cavity 112 inside, and the first cavity 111 and the second cavity 112 are respectively communicated through a first vent 121 and a second vent 122 to form an airflow channel. The volumes of the first chamber 111 and the second chamber 112 may be the same or different, so that the air flow can circulate.

In a possible implementation, the first cavity 111 and the second cavity 112 both extend in a vertical direction, and the direction of the air flow in the first cavity 111 is opposite to the direction of the air flow in the second cavity 112. Therefore, the air in the first cavity 111 and the second cavity 112 is circulated through the first ventilation opening 121 and the second ventilation opening 122, and a heat exchange effect is achieved.

In a possible implementation manner, the first cavity 111 and the second cavity 112 are arranged side by side at the same height along the horizontal direction.

In a possible implementation manner, the extension length of the first cavity 111 in the vertical direction is greater than the width of the first cavity 111 in the horizontal direction. In a possible embodiment, the extension of the second cavity 112 in the vertical direction is greater than the width of the second cavity 112 in the horizontal direction. The first cavity 111 and the second cavity 112 have sufficient heights, so that the air flows in the first cavity 111 and the second cavity 112 have sufficient space to realize the sinking of the cooling air flow and the ascending movement of the hot air flow.

In one possible embodiment, the electrical control box 100 further includes a partition 120, and the first cavity 111 and the second cavity 112 are separated by the partition 120.

In one possible implementation, the first vent 121 is located at the top of the partition 120 and the second vent 122 is located at the bottom of the partition 120. The first ventilation opening 121 may be a rectangular opening, a circular opening, an oval opening, a polygonal opening, or the like, and one or a plurality of the first ventilation openings 121 may be arranged uniformly to allow the air to flow therethrough. The second ventilation opening 122 may be a rectangular opening, a circular opening, an oval opening, a polygonal opening, or the like, and one or more second ventilation openings 122 may be uniformly arranged to allow air to pass therethrough. It is understood that the shape of the second ventilation opening 122 may be the same as or different from the shape of the first ventilation opening 121, and is not limited herein.

In one possible implementation, the evaporator 300 is located in the second cavity 112, the circuit board assembly 200 is located in the first cavity 111, and the height of the evaporator 300 in the vertical direction with respect to the case body 110 is higher than the height of the circuit board assembly 200 with respect to the case body 110. Even if the air flow entering the second cavity 112 meets the evaporator 300 to generate condensation, the condensation can be collected at the bottom of the second cavity 112 under the action of gravity, so that the potential safety hazard caused by the condensation entering the first cavity 111 to the circuit board assembly 200 is avoided, and the use safety is improved.

Thus, the evaporator 300 absorbs heat through the phase change of the refrigerant flowing through the evaporator, so that after the air passing through the surface of the heat exchanger is cooled and forms cooling airflow, the cooling airflow flows into the first cavity 111 and takes away the heat generated by the circuit board assembly 200 to form hot airflow, and the hot airflow is conveyed into the second cavity 112 to be cooled by the evaporator 300, thereby realizing the circulation of the airflow. The circuit board assembly 200 is cooled by heat exchange, so that the problem that the service life is influenced or potential safety hazards are caused due to overhigh temperature of the circuit board assembly 200 is avoided.

In a possible implementation manner, the second ventilation opening 122 may be a through hole penetrating through two sides of the partition 120, and a blocking portion 123 is formed at the bottom of the partition 120, the blocking portion 123 is located at the bottom of the second ventilation opening 122, and the blocking portion 123 separates the bottom of the second cavity 112 from the bottom of the first cavity 111.

In order to allow sufficient space for the air flow cooled by the evaporator 300 to move downward and sufficient space for the air flow absorbing heat emitted from the circuit board assembly 200 to move upward, the evaporator 300 is installed at a height higher than that of the circuit board assembly 200 in the vertical direction.

In one possible implementation, the evaporator 300 is located in the upper half of the second chamber 112. It may be that the evaporator 300 is close to the first ventilation opening 121 so that the hot air coming out of the first ventilation opening 121 can be cooled by immediately contacting the evaporator 300, and the cooled cold air has enough moving space to move downward.

In a possible implementation, the evaporator 300 is located at the upper half of the second cavity 112, and the upper edge of the evaporator 300 may be flush with the lower edge of the first ventilation opening 121. The width of the evaporator 300 is set to be larger in the second chamber 112 as much as possible, so that the heat exchange area is increased, and the heat exchange effect is improved.

In one possible embodiment, one end of the evaporator 300 in the width direction is fixed to the spacer 120, and the other end of the evaporator 300 in the width direction is fixed to the inner wall of the second chamber 112.

It is easy to understand that, in the first cavity 111, the closer to the bottom of the first cavity 111, the more cool airflow in the air, or the lower the temperature of the air at the position, and the farther from the bottom of the first cavity 111 along the vertical direction, the more heat is dissipated by the circuit board assembly 200 due to the cool airflow, and therefore the less cool airflow, i.e., the higher the temperature of the air at the position.

In order to make the circuit board assembly 200 contact more cold airflow, the circuit board assembly 200 is located at the lower half of the first cavity 111. The bottom of the circuit board assembly 200 may be close to the second air vent 122, and such a structure enables the cold air coming out from the second air vent 122 to immediately contact the circuit board assembly 200, and takes away heat dissipated by the circuit board assembly 200, which is beneficial to improving the heat dissipation effect of the circuit board assembly 200, so that more parts of the circuit board assembly 200 contact the cold air coming out from the second air vent 122.

In a possible implementation manner, the circuit board assembly 200 is located in the lower half of the first cavity 111, and the lower edge of the circuit board assembly 200 may be flush with the upper edge of the second ventilation opening 122. This improves the heat dissipation effect of the circuit board assembly 200.

The heat absorption amount of the evaporator 300 per unit time is greater than or equal to the heat generation amount of the circuit board assembly 200 when operating. Therefore, the heat dissipation effect is stable, the heat dissipation effect is not affected by the external environment basically, the circuit board assembly 200 can be effectively cooled and dissipated when in working, and the problem that the heat dissipation effect of the circuit board assembly 200 cannot guarantee that the temperature is too high due to the fact that the working time is prolonged is avoided.

In one possible embodiment, the temperature of the cooling air flow formed after passing through the evaporator 300 is lower than the surface temperature of the circuit board assembly 200, thereby ensuring the heat dissipation and temperature reduction effects on the circuit board assembly 200.

The number of the evaporators 300 may be one or more, and the evaporators 300 may be an independent integral structure, which is convenient for installation and disassembly. The low temperature that the refrigerant circulated in evaporimeter 300 and produced only can influence the air and the air current in the box body 110, utilizes the air current after the cooling to dispel the heat for circuit board assembly 200 again, can avoid circuit board assembly 200 to produce the condensation because of the subcooling, guarantees circuit board assembly 200's normal work.

The circuit board assembly 200 includes a circuit board 210 and an electronic component 220 disposed on the circuit board 210, the circuit board 210 is disposed on the spacer 120, and the circuit board 210 and the spacer 120 are disposed in parallel with each other. The circuit board assembly 200 may be connected with a corresponding component through a cable to transmit an electrical signal to the outside of the case body 110. The circuit board assembly 200 is not limited to be disposed on the spacer 120 by means of a screw connection or a snap connection.

The spacer 120 is a partition plate, and the shape of the spacer 120 is adapted to the shape of the box 110. The partition 120 allows the first chamber 111 and the second chamber 112 to be partitioned, and the air flows can flow between the first chamber 111 and the second chamber 112 only through the first ventilation opening 121 and the second ventilation opening 122.

In one possible implementation, the spacers 120 may be welded within the case 110. In another possible implementation manner, a clamping groove may be formed on an inner wall of the box body 110, two sides of the isolating member 120 may be clamped into the clamping groove, and a connecting position between the isolating member 120 and the clamping groove may be sealed by a rubber gasket. The structure of the partition 120, which is detachable, facilitates the installation of the evaporator 300.

Referring to fig. 3, the air conditioner provided by the present application further includes a heat sink 400, the heat sink 400 is disposed on a side of the spacer 120 facing away from the circuit board assembly 200, and the heat sink 400 is thermally connected to the circuit board assembly 200.

Referring to fig. 4 and 5, the circuit board 210 and the spacer 120 are disposed parallel to each other. With such a structure, the electronic component 220 contacts the cooling airflow entering the first cavity 111 from the second ventilation opening 122 with the largest area, thereby improving the heat dissipation effect.

The circuit board 210 may be a PCB, the circuit board 210 has insufficient thermal conductivity, and heat blocking is easily caused due to insufficient heat dissipation to generate local high temperature, and the heat sink 400 quickly guides out heat dissipated by the circuit board assembly 200, thereby improving the heat dissipation effect. The position of the heat sink 400 is opposite to the position of the circuit board assembly 200, which is beneficial to more uniform heat dissipation of the circuit board assembly 200.

The heat sink 400 may be a plurality of heat dissipating fins, and the number of the heat dissipating fins is not specifically limited, and the heat dissipating fins are not limited to be rectangular, triangular, or the like.

The heat dissipation fins may extend into the second cavity 112 along a direction perpendicular to the spacer 120, or extend into the second cavity 112 along a direction inclined to the spacer 120, and the heat may be transferred through the heat dissipation fins themselves, and the plurality of heat dissipation fins may be arranged in a plurality of rows and a plurality of columns, so that the airflow may also pass through a gap between two adjacent rows of heat dissipation fins, and the heat conducted to the heat dissipation fins by the electronic component 220 in the circuit board assembly 200 is taken away, thereby facilitating heat dissipation. The heat radiating fins are not limited to aluminum or copper.

In a possible implementation manner, the heat dissipation fins may be distributed with a large number of heat dissipation fins according to the temperature distribution of the electronic component 220 in the circuit board assembly 200, for example, at the position corresponding to the electronic component 220 with high heat productivity, so as to improve the effect of derivation, and at the position corresponding to the electronic component 220 with low heat productivity, the heat dissipation fins with a small number are distributed, so as to reduce the effect of blocking the air flow, thereby achieving a uniform heat dissipation effect.

The heat sink 400 enhances the function of conducting the heat dissipated by the circuit board assembly 200, so that the operating temperatures of the circuit board 210 and the electronic components 220 in the circuit board assembly 200 can be quickly conducted to the heat sink 400, and then the heat sink 400 dissipates the heat into the airflow channel, thereby enhancing the heat dissipation speed, improving the heat dissipation effect, and enhancing the quality and performance of the air conditioner.

In a possible implementation manner, the box body 110 is in a cube shape, and may be a box body 110 having a bottom plate at the bottom, a top plate at the top of the box body 110, and four sealing plates are arranged around the box body 110, and connected end to end through the top ends of the sealing plates and the top plate, and the bottom ends of the sealing plates are connected to the bottom plate, so as to realize the peripheral sealing of the box body 110. Of course, it is also possible that box body 110 includes a cubic framework, a bottom plate is provided at the bottom of box body 110, a top plate is provided at the top of box body 110, sealing plates are provided around box body 110, the bottom plate is fixed to the bottom surface of the cubic framework, the top plate is fixed to the top surface of the cubic framework, and the sealing plates are fixed to the peripheral surfaces of the cubic framework, so as to seal the periphery of box body 110. The space in the box body 110 is completely sealed, so that external dust, gravel and life bodies can be effectively isolated, the air flow channel is ensured to have a better dustproof and sand-proof effect, the life bodies such as insects are prevented from entering and affecting the normal work of the circuit board assembly 200, and the use is cleaner.

In one possible implementation, the case 110 includes a case body and a connecting seat, which are detachably connected to each other and jointly define an airflow channel. Wherein, the evaporator 300 is fixed on the connecting base, and the circuit board assembly 200 is connected to the box body. Because can dismantle the connection between box body and the connecting seat, the connecting seat can be the fixed part of box body 110, on evaporimeter 300 was fixed in the connecting seat, can dismantle or the activity for the connecting seat through the box body, make and to separate between circuit board assembly 200 and the evaporimeter 300, thereby when this internal circuit board assembly 200 of maintenance inspection box body, need not the evacuation refrigerant, also avoided cutting off the refrigerant pipeline of connecting evaporimeter 300 and the loaded down with trivial details process of rewelding, the convenience of overhauing has been improved.

Due to the high frequency of servicing the electronic components 220 within the electronic control box 100. It is often necessary to detach the electronic control box 100 from the inside of the cabinet of the outdoor unit 600 to the outside of the cabinet to inspect the electronic components 220 in the electronic control box 100. Other components, such as a compressor 630, a gas-liquid separator, and a complex refrigerant pipeline, are also disposed in the casing of the outdoor unit 200, and when the components are broken and need to be repaired, the position of the electronic control box 100 is often moved, so that the operation space is larger.

Therefore, in the embodiment of the present application, the case body 110 of the split type structure is formed by detachably connecting the case body and the connecting seat, the circuit board assembly 200 is disposed in the case body, the evaporator 300 is fixed to the connecting seat, and the evaporator 300 is connected to the refrigerant flow path 610. But connect through the split mode between box body and the connecting seat, connecting seat fixed mounting is in air condensing units 600's casing, the box body can be for the connecting seat activity, thus, when electronic components 220 in the automatically controlled box 100 need be overhauld, with box body and connecting seat split, just can realize conveniently checking or maintaining the electronic components 220 who sets up at the box body, and need not dismantle evaporimeter 300, also need not destructively cut off the refrigerant pipeline of being connected with evaporimeter 300 and retrieve the refrigerant in the refrigerant pipeline, also need not to weld the refrigerant pipeline of being cut off again after overhauing the completion, the work load of maintenance has been reduced, time saving and labor saving.

Moreover, according to the scheme, the box body with the relatively large size of the electric control box 100 can be conveniently detached, so that other parts of the air conditioner outdoor unit 600 can be more conveniently overhauled.

Can dismantle the connection between box body and the connecting seat, can be that changeable relative position has between box body and the connecting seat to but the state that is the split between box body and the connecting seat. Wherein, the removable connected mode between box body and the connecting seat includes but not limited to following mode:

the first mode can be that the box body and the connecting seat can only change relative positions, and the box body and the connecting seat still keep a connecting state before and after being disassembled; the connecting mode between the box body and the connecting seat can be, for example, rotatable connection or slidable connection between the box body and the connecting seat.

The second mode can be that box body and connecting seat are the state of separating completely under the dismantlement state. At this moment, can not need other structures to connect between box body and the connecting seat, the relative connecting seat in position of box body can freely remove, including but not limited to connect through screw connection, the mode of buckle connection between box body and the connecting seat, conveniently realize that the box body can move about for the connecting seat relatively.

The air conditioning device provided by the application cools the air flow passing through the evaporator 300 through the phase change of the refrigerant, so that the air in the air flow channel sinks when being cooled, or the air in the air flow channel rises when being heated under the heat effect of the circuit board assembly 200, and therefore the air flow channel is circulated in a one-way mode.

The application provides an air conditioning equipment, the periphery of box body 110 is sealed for automatically controlled box 100 can deal with adverse circumstances, can effectively avoid the rainwater to get into, and during operation in drenching with rain or moist operational environment, the rainwater that avoids that also can be fine gets into and causes corruption, circuit trouble scheduling problem, thereby guarantees the normal operating of air conditioner, plays extension electronic components 220 life's effect.

The air conditioning device provided by the application utilizes cooling airflow to sink, hot airflow rises and comes from the air flow in the driving airflow channel, the air flow passing through the evaporator 300 is cooled by the refrigerant flowing in the evaporator 300, so that the air passing through the evaporator 300 sinks when being cooled, the air in the second cavity 112 moves downwards, the air flows into the first cavity 111 through the second ventilation opening 122, the cooling air enters the first cavity 111, the heat generated when the circuit board assembly 200 works is taken away, the heat becomes the hot airflow and rises, the air enters the second cavity 112 from the first ventilation opening 121, the reciprocating effect is achieved, the unidirectional circulation of the airflow in the airflow channel is achieved, the purpose of cooling and heat dissipation of the circuit board assembly 200 is achieved, and the heat dissipation effect is improved.

The air conditioning device provided by the application comprises an air conditioning indoor unit 700 and an air conditioning outdoor unit 600, and the electric control box 100 is arranged in the air conditioning outdoor unit 600.

The application provides an air conditioning equipment, can be central air conditioning, machine 700 sets up in indoor air conditioning, outdoor unit 600 sets up in outdoor air conditioning, machine 700 and outdoor unit 600 all can be a plurality ofly in the air conditioning, machine 700 can set up in same indoor space in a plurality of air conditioning, or can set up in different indoor spaces, a plurality of outdoor unit 600 can all be equipped with automatically controlled box 100, in order to control different outdoor unit 600 respectively, can communicate between the different outdoor unit 600 of air conditioning, mutually support, in order to realize many host computers combined work.

Referring to fig. 1, a compressor 630, a condenser 640, an expansion valve 620, and the like are provided in an outdoor unit 600 of an air conditioner, and the compressor 630, the condenser 640, the expansion valve 620, and the like are circularly connected by refrigerant pipes to form a circulation circuit, through which refrigerant circulates. The evaporator 300 of the electronic control box 100 may be connected to a circulation loop of the air conditioner, and may absorb heat by using a phase change of a refrigerant flowing through a refrigerant pipe of the air conditioner. Meanwhile, when the air conditioner is in operation, the electronic control box 100 is used for controlling the operation of the electronic control components in the air conditioner, such as the compressor 630, the expansion valve 620, and the like.

The refrigerant flows through the outdoor unit 600 through the refrigerant flow path 610, and the evaporator 300 in the electric control box may be connected between the expansion valve 620 and the compressor 630 through a branch line, for example, in the refrigeration process of the air conditioning apparatus, under the action of the condenser 640, the gaseous refrigerant is compressed into a high-temperature high-pressure gaseous refrigerant, and then is sent to the outdoor heat exchanger, i.e., the condenser 640, and becomes a normal-temperature high-pressure liquid refrigerant after heat exchange, and transfers the heat of the refrigerant to the outside, and the liquid refrigerant enters the evaporator 300 in the electric control box and the indoor heat exchanger of the indoor unit 700 through the expansion valve 620, and exchanges heat with the indoor air to absorb the heat of the indoor air, so that the temperature of the indoor air is reduced, and the refrigerant carrying heat returns to the compressor 630 of the outdoor unit 600 again, and circulates in this way to achieve the purpose of reducing the temperature. In addition, the refrigerant pipeline can also comprise a four-way reversing valve 650, so that the flow direction of the refrigerant in the refrigerant pipeline is changed, and the heating of the air conditioner is realized.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (11)

1. The air conditioning device is characterized by comprising a refrigerant flow path and an electric control box, wherein the electric control box comprises a box body, a circuit board assembly and an evaporator, and the evaporator is connected to the refrigerant flow path and is configured to cool through the phase change of a refrigerant flowing through the evaporator;

an airflow channel is formed in the box body, and the circuit board assembly and the evaporator are arranged in the airflow channel; the evaporator is configured to cool an air flow passing through the evaporator so that the air in the air flow passage sinks when cooled or rises when heated by heat of the circuit board assembly to circulate in the air flow passage.

2. An apparatus as claimed in claim 1, wherein an inlet of said evaporator is connected to a low pressure liquid refrigerant flow path of said refrigerant flow paths, and an outlet of said evaporator is connected to a low pressure gaseous refrigerant flow path of said refrigerant flow paths.

3. An air conditioner according to claim 2, wherein the outer periphery of the case is sealed, and the air flow passage is a circulation passage through which air flows in one direction.

4. The air conditioner as claimed in claim 3, wherein the box body has a first cavity and a second cavity therein, and the first cavity and the second cavity are communicated through a first vent and a second vent, respectively, to form the airflow channel.

5. The air conditioning apparatus according to claim 4, wherein the evaporator is located in the second cavity, the circuit board assembly is located in the first cavity, and a height of the evaporator with respect to the box body in a vertical direction is higher than a height of the circuit board assembly with respect to the box body.

6. An air conditioning unit according to claim 5, wherein the evaporator is located in an upper half of the second chamber, and the circuit board assembly is located in a lower half of the first chamber.

7. An air conditioning unit according to any one of claims 4 to 6 wherein the electrical control box further comprises a partition, the first chamber and the second chamber being separated by the partition.

8. An air conditioning unit according to claim 7, wherein the first vent is located at the top of the partition and the second vent is located at the bottom of the partition.

9. An air conditioning unit according to claim 8, further comprising a heat sink disposed on a side of the spacer facing away from the circuit board assembly, the heat sink being in thermally conductive communication with the circuit board assembly.

10. The air conditioner according to any one of claims 1 to 6, wherein the box body comprises a box body and a connecting seat, the box body and the connecting seat are detachably connected and together enclose the airflow channel, wherein the evaporator is connected with the connecting seat, and the circuit board assembly is connected in the box body.

11. An air conditioning apparatus according to any one of claims 1 to 6, comprising an indoor unit and an outdoor unit, wherein the electric control box is provided in the outdoor unit.

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