KR20190108995A - Indoor unit for air conditioner - Google Patents

Abstract

The present invention comprises: a cabinet assembly having a front side opened, and having an inlet into which indoor air is sucked; a door assembly assembled to a front side of the opened cabinet assembly, and opening and closing an inner space (S) of the cabinet assembly; a remote distance fan assembly arranged in the cabinet assembly, and discharging the indoor air in the inner space (S) to the indoors; and a heat exchange assembly arranged between the remote distance fan assembly and the cabinet assembly, and allowing the sucked indoor air and a refrigerant to exchange heat. Here, the door assembly has a front surface outlet opened frontwards. Furthermore, the remote distance fan assembly comprises: a fan housing assembly sucking the air which is heat exchanged at the heat exchange assembly before discharging the same frontwards; a guide housing which is fixated in the cabinet assembly, in which the fan housing assembly is mounted, and which guides the frontward and rearward movement of the fan housing assembly; and a fan housing actuator fixated to at least one between the guide housing and the fan housing assembly, providing driving force to the fan housing assembly to move the fan housing assembly in front and rear directions, and exposing a portion of the fan housing assembly to the outside of the front surface outlet. Therefore, when the present invention is in motion, the remote distance fan assembly providing direct wind is exposed to a user, whereas the remote distance fan assembly providing direct wind is concealed from the user when the present invention is not in motion.

Description

Indoor unit for air conditioner

The present invention relates to an indoor unit of an air conditioner, and more particularly, to an indoor unit of an air conditioner provided with a remote fan assembly and a near fan assembly.

In general, an air conditioner is composed of a compressor, a condenser, an evaporator, and an expander, and uses an air conditioning cycle to supply cold or warm air to a building or a room.

Air conditioners are structurally divided into a separate type in which the compressor is arranged outdoors and an integrated type in which the compressor is manufactured integrally.

In the separate type, an indoor heat exchanger is installed in an indoor unit, and an outdoor heat exchanger and a compressor are installed in an outdoor unit to connect two separated devices with refrigerant pipes.

The integrated type is an indoor heat exchanger, outdoor heat exchanger and compressor installed in one case.

An integrated air conditioner includes a window type air conditioner installed by directly hanging a device on a window, and a duct type air conditioner connected to an intake duct and a discharge duct and installed outside the room.

The separate type air conditioner includes a stand type air conditioner installed upright and a wall-mounted air conditioner installed on a wall.

Recently, in order to improve heat exchange efficiency of air and refrigerant, air conditioners using microchannel heat exchangers have been increasing despite the high manufacturing cost.

The heat exchanger may be classified into a fin tube type heat exchanger and a micro channel heat exchanger according to the structure. Finned tube heat exchangers are made of copper, and micro-channel heat exchangers are made of aluminum.

The microchannel heat exchanger is more efficient than the fin tube type heat exchanger because a fine flow path is formed therein.

Fin tube type heat exchanger is easy to manufacture because it welds fins and tubes, and there is no difficulty in increasing the area.

However, since the microchannel type heat exchanger is manufactured through brazing by inserting it into a furnace, there is a disadvantage in that the initial investment cost is large, but it is possible to realize higher heat exchange performance even with a smaller area than a fin tube type heat exchanger. .

However, the micro-channel heat exchanger has a drawback that cannot be manufactured with an area exceeding the maximum fabrication size of the furnace.

In the case where the maximum fabrication size of the furnace is exceeded, there is a problem in that a facility for manufacturing a microchannel heat exchanger has to be reinstalled.

Republic of Korea Patent Registration 10-1566550 B1 Republic of Korea Patent Publication 10-2014-0057939 A

An object of the present invention is to provide a heat exchange assembly capable of operating as a single micro channel heat exchanger by combining a micro channel heat exchanger having a limited area.

An object of the present invention is to provide an indoor unit of an air conditioner capable of providing a direct wind to a user through a remote fan assembly and an indirect wind through a short range fan assembly.

SUMMARY OF THE INVENTION An object of the present invention is to provide a indoor unit of an air conditioner capable of stacking a plurality of microchannel type heat exchangers in a vertical direction and implementing a series pass through a plurality of heat exchangers.

It is an object of the present invention to provide an indoor unit of an air conditioner that can operate a plurality of microchannel type heat exchangers as one microchannel type heat exchanger.

SUMMARY OF THE INVENTION An object of the present invention is to provide an indoor unit of an air conditioner that can solve a refrigerant imbalance according to an enlarged area when operating a single microchannel type heat exchanger by connecting a plurality of microchannel type heat exchangers.

The present invention provides an indoor unit of an air conditioner that can provide strong cooling for a long distance fan assembly that provides direct wind through one heat exchange assembly, and provides a weak cooling for a short distance fan assembly that provides indirect wind. have.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

According to the present invention, the microchannel type first heat exchanger and the second heat exchanger which are separately manufactured may be stacked in the vertical direction to operate as one heat exchanger.

The present invention can form one of the microchannel type first heat exchanger and the second heat exchanger in parallel flow, and the other in counterflow.

The present invention can combine two micro channel type heat exchangers through a supporter disposed between the micro channel type first heat exchanger and the second heat exchanger.

Since the present invention covers the inlet of the large area formed on the rear surface through the stacked microchannel type first heat exchanger and the second heat exchanger, even if the area of the inlet is enlarged, it can sufficiently cope without replacing the equipment of the microchannel type heat exchanger. have.

The present invention provides a cabinet assembly having a front opening and a suction opening through which indoor air is sucked; A door assembly assembled at a front of the opened cabinet assembly, opening and closing an inner space S of the cabinet assembly, and having a front discharge port; A fan assembly disposed inside the cabinet assembly and configured to suck indoor air sucked through the suction port into the internal space S, and discharge air from the indoor space S to the interior; It is made of a micro-channel type, disposed between the fan assembly and the cabinet assembly, and heat exchange the suctioned indoor air and the refrigerant, and a heat exchange assembly, the heat exchange assembly is made of a micro channel type, the inner space A first heat exchanger disposed under (S) and disposed in a vertical direction; A second heat exchanger fabricated in a micro channel type, disposed on an upper side of the inner space S, disposed in an up-down direction, and stacked on an upper side of the first heat exchanger; A first heat exchanger disposed between the first heat exchanger and the second heat exchanger, the supporter integrally coupling the first heat exchanger and the second heat exchanger, and supporting the second heat exchanger; Refrigerant supplied to the air or second heat exchanger is operated as one heat exchanger via the second heat exchanger or the first heat exchanger.

The first heat exchanger has a vertical height longer than the left and right width, the front and rear thickness is shorter than the width, the second heat exchanger has a vertical height is longer than the left and right width, and the front and rear thickness is shorter than the width. Can be.

The first heat exchanger and the second heat exchanger stacked in the vertical direction may form the same vertical plane.

The first heat exchanger, the supporter, and the second heat exchanger may cover the suction port and may be disposed to face the suction port.

The first heat exchanger includes a first heat exchanger disposed on a rear side and a second heat exchanger disposed on a rear side, and the second heat exchanger includes a first heat exchanger disposed on a rear side and a second heat exchanger disposed on a rear side. And a refrigerant supplied to the first heat exchanger or the second heat exchanger of the heat exchange assembly is flowed to the second heat exchanger or the first heat exchanger, and the first heat exchanger and the second heat exchanger of the first heat exchanger The first heat exchanger and the second heat exchanger of the second heat exchanger may be operated as one heat exchanger.

One of the first heat exchanger or the second heat exchanger is a parallel flow in which the refrigerant flows from the first heat exchanger disposed at the rear to the second heat exchanger disposed at the front, and the sucked indoor air flows from the rear to the front. And the other of the first heat exchanger or the second heat exchanger flows from the second heat exchanger disposed at the front to the first heat exchanger disposed at the rear, and the sucked indoor air is moved from the rear to the front. It can be formed in a flow counterflow.

The first heat exchange part of the first heat exchanger is formed with a first pass and a second pass through which the refrigerant flows in left and right directions, and the second heat exchange part of the first heat exchanger includes a third pass and a third flow through which the refrigerant flows in the left and right directions. Four passes are formed, and the first heat exchange part of the second heat exchanger is formed with a first pass and a second pass through which the refrigerant flows in the left and right directions, and the second heat exchange part of the second heat exchanger has the refrigerant flow in the left and right directions. A third pass and a fourth pass are formed, a first pipe connection part connected to the first pass is formed in the first heat exchange part of the first heat exchanger, and the second heat exchange part is formed in the second heat exchange part of the first heat exchanger. A second pipe connection part connected to a fourth pass is formed, and a first pipe connection part connected to the first path is formed in a first heat exchange part of the second heat exchanger, and a second heat exchange part of the second heat exchanger is provided. Above A second pipe connecting portion connected to four passes can be formed.

The first refrigerant pipe is connected to the first pipe connection of the first heat exchanger, the third refrigerant pipe is connected to the second pipe connection of the second heat exchanger, and the second pipe connection part and the first pipe of the first heat exchanger. The second heat exchanger may further include a second refrigerant pipe connecting the first pipe connection part of the heat exchanger.

At least one of the first pipe connection part and the second pipe connection part of the second heat exchanger may be formed to protrude downward.

The supporter may include a first insertion groove into which the first pipe connection part of the second heat exchanger is inserted; A second insertion groove into which the second pipe connection part of the second heat exchanger is inserted may be further included.

At least one of the first insertion groove and the second insertion groove may be formed to be opened to the front or the rear.

The indoor unit of the air conditioner according to the present invention has one or more of the following effects.

First, the present invention has an advantage that the microchannel type first heat exchanger and the second heat exchanger manufactured separately may be stacked in the vertical direction to operate as one heat exchanger.

Second, the present invention has the advantage of providing strong cooling to the remote fan assembly that provides direct wind through one heat exchanger, and weak cooling to the near field fan assembly that provides indirect wind.

Third, the present invention has the advantage that it is possible to solve the refrigerant imbalance according to the enlarged area even if the plurality of microchannel type heat exchanger to operate as one microchannel type heat exchanger.

Fourth, the present invention covers the large intake port formed on the rear surface through the stacked micro channel type first heat exchanger and the second heat exchanger, so that even if the area of the inlet port is enlarged, it is sufficient to replace the equipment of the micro channel type heat exchanger. There is an advantage to cope.

Fifth, the present invention has an advantage of providing a stable coupling structure when stacking two heat exchangers having a high height compared to the width.

Sixth, the present invention has the advantage that when the two heat exchangers are stacked in height compared to the width, by inserting the pipe connection to the supporter to securely protect the pipe connection.

Seventh, the present invention has the advantage of resolving the pressure imbalance generated in the upper refrigerant and the lower refrigerant when stacking two heat exchangers having a height relative to the width.

Eighth, since the present invention forms one of the first heat exchanger and the second heat exchanger in parallel flow and the other one in the counterflow flow, the heat exchange efficiency can be uniformly formed during cooling and heating. There is an advantage.

1 is a perspective view showing an indoor unit of an air conditioner according to a first embodiment of the present invention.
2 is an exploded perspective view of FIG. 1.
3 is a front view of FIG. 1.
4 is a left side view of FIG. 1.
5 is a right side view of FIG. 1.
6 is a plan view of FIG. 1.
7 is a bottom view of FIG. 1.
8 is a right cross-sectional view of FIG. 3.
FIG. 9 is an exploded perspective view of the heat exchange assembly shown in FIG. 2.
10 is an exploded perspective view of the first heat exchanger illustrated in FIG. 9.
FIG. 11 is a front cross-sectional view of the first heat exchanger illustrated in FIG. 10.
FIG. 12 is a sectional front view of the second heat exchanger illustrated in FIG. 10.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view illustrating an indoor unit of an air conditioner according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, FIG. 3 is a front view of FIG. 1, and FIG. 4 is a left side view of FIG. 1. 5 is a right side view of FIG. 1, FIG. 6 is a plan view of FIG. 1, FIG. 7 is a bottom view of FIG. 1, and FIG. 8 is a right sectional view of FIG. 3.

The air conditioner according to the present embodiment includes an outdoor unit (not shown) connected to the indoor unit 10 and circulating a refrigerant through the indoor unit 10 and the refrigerant pipe.

The outdoor unit includes a compressor (not shown) for compressing a refrigerant, an outdoor heat exchanger (not shown) for receiving and condensing refrigerant from the compressor, an outdoor fan (not shown) for supplying air to the outdoor heat exchanger, and the indoor unit. And an accumulator (not shown) for providing only the gaseous refrigerant to the compressor after receiving the refrigerant discharged at 10.

The outdoor unit may further include a four-way valve (not shown) to operate the indoor unit in a cooling mode or a heating mode. When operating in the cooling mode, the indoor unit 101 evaporates the refrigerant to cool the indoor air. When operated in the heating mode, the indoor unit 10 condenses the refrigerant to heat the indoor air.

<Configuration of the room>

The indoor unit 10 has a front opening, a cabinet assembly 100 having a suction port 101 formed at a rear side thereof, and assembled to a front of the opened cabinet assembly 100, and an internal space of the cabinet assembly 100 ( A door assembly 200 for opening and closing S), fan assemblies 300 and 400 disposed inside the cabinet assembly 100 and discharging air in the internal space S to the room, and the fan assembly A heat exchange assembly 500 disposed between the 300 and 400 and the cabinet assembly 100, the heat exchange assembly 500 for exchanging the sucked indoor air and the refrigerant, and the cabinet assembly 100 arranged in the cabinet assembly 100. A humidifying assembly 800 for providing moisture to the interior space S, a filter assembly 600 for filtering air flowing into the interior space S and disposed on the rear surface of the cabinet assembly 100, and the cabinet The filter word is disposed on the rear surface of the assembly 100. It moves up and down along the assembly 600, and includes a moving cleaner 700 to separate and collect the foreign matter of the filter assembly 600.

The indoor unit 10 sucks air through the suction port 101 formed on the rear surface of the cabinet assembly 100.

The fan assemblies 300 and 400 are configured of a near fan assembly 300 and a far fan assembly 400. The heat exchange assembly 500 is disposed behind the near fan assembly 300 and the far fan assembly 400.

Since air is sucked through the rear surface of the cabinet assembly 100, the heat exchange assembly 500 is disposed perpendicular to the ground.

The air sucked through the cabinet assembly 100 passes through the heat exchange assembly 500 at right angles in this embodiment, and then flows between the near fan assembly 300 and the far fan assembly 400.

The heat exchange assembly 500 is manufactured to have a length corresponding to the height of the near fan assembly 300 and the far fan assembly 400.

The short range fan assembly 300 discharges air in the lateral direction of the cabinet assembly 100. The short-range fan assembly 300 provides indirect wind to the user.

The remote fan assembly 400 is disposed above the cabinet assembly 100 and discharges air in a forward direction of the cabinet assembly 100. The remote fan assembly 300 provides a direct wind to the user. In addition, the remote fan assembly 300 improves circulation of indoor air by discharging air to a far place in the indoor space.

In particular, the remote fan assembly 400 may control the discharge direction of air in up, down, left, right or diagonal directions.

The door assembly 200 may be coupled to the front surface of the cabinet assembly 100 and slidably moved in the left and right directions.

The door assembly 200 may be moved in one of left and right directions to open the internal space S. FIG. In addition, the door assembly 200 may be moved in one of left or right directions to open only a part of the internal space S. FIG.

In this embodiment, opening and closing of the door assembly 200 is composed of two stages.

The first stage opening and closing of the door assembly 200 is partially opened, and is for supplying water to the humidifying assembly 800, and exposes only an area to which the water tank 810 of the humidifying assembly 800 is exposed.

The second stage opening and closing of the door assembly 200 is opened to the maximum, and is for installation and repair. To this end, the door assembly 200 includes a door stopper structure for limiting the opening and closing of the second stage.

The filter assembly 600 is disposed on the rear surface of the cabinet assembly 100. The filter assembly 600 may be rotated to the side of the cabinet assembly 100 in a state in which the filter assembly 600 is disposed on the rear surface of the cabinet assembly 100. The user may separate only the filter from the filter assembly 600 moved to the side of the cabinet assembly 100.

In the present embodiment, the filter assembly 600 is composed of two parts, each of which may be rotated left or right.

The moving cleaner 700 is an apparatus for cleaning the filter assembly 600. The moving cleaner 700 may clean the filter assembly 600 while moving in the vertical direction. The moving cleaner 700 may inhale air while moving to separate foreign substances attached to the filter assembly 600, and the separated foreign substances are stored therein.

The moving cleaner 700 is installed in a structure that is not indirect during the rotation of the filter assembly 600.

The humidifying assembly 800 may provide moisture to the internal space S of the cabinet assembly 100, and the provided moisture may be discharged into the room through the fan assembly. The humidifying assembly 800 includes a detachable water tank 810.

In the present embodiment, the humidifying assembly 800 is disposed in the lower side of the cabinet assembly 100. The heat exchange assembly 500 and the fan assembly 300 and 400 are disposed above the humidifying assembly 800.

<Configuration of short-range fan assembly>

The short range fan assembly 300 is configured to discharge air laterally with respect to the cabinet assembly 100. The short-range fan assembly 300 provides indirect wind to the user.

The short range fan assembly 300 is disposed in front of the heat exchange assembly 500.

The short range fan assembly 300 is provided with a plurality of fans 310 stacked in a vertical direction. In the present embodiment, three fans 310 are provided and stacked in the vertical direction.

In this embodiment, the fan 310 is a centrifugal fan is used. The fan 310 sucks air in the axial direction and discharges the air in the circumferential direction.

The fan 310 sucks air from the rear and discharges air in the circumferential direction.

The short-range fan assembly 300 is formed by opening the front and rear, the fan casing 320 is coupled to the cabinet assembly 100, the fan casing 320 is coupled to the inside of the pan casing 320 And a fan guide 330 coupled to the fan casing 320 and guiding the air discharged to the fan 310 laterally with respect to the cabinet assembly 100. do.

The pan casing 320 is manufactured in a box shape in which the front and rear surfaces are open. The pan casing 320 is coupled to the cabinet assembly 100.

The front surface of the pan casing 320 is disposed to face the door assembly 200. The rear surface of the pan casing 320 is disposed to face the heat exchange assembly 500.

The front of the pan casing 320 is in close contact with the door assembly 200 is closed.

In this embodiment, a part of the side surface of the pan casing 320 is exposed to the outside. The side discharge port 301 is formed in the fan casing 320 exposed to the outside. Discharge vanes for controlling the discharge direction of air are disposed in the side discharge port 302. The side discharge port 301 is disposed on the left and right of the pan casing 320, respectively.

The fan 310 is disposed inside the pan casing 320. The plurality of fans 310 are disposed on the same plane and stacked in a line with respect to the vertical direction.

Since the fan 310 uses a centrifugal fan, the fan 310 sucks air from the rear surface of the fan casing 320 and discharges the air in the circumferential direction.

The fan guide 330 guides the air discharged from the fan 310 to the side discharge port 301. Since the fan 310 uses a centrifugal fan, the air discharged to the upper side and the lower side is guided to the side discharge port 301 by the fan guide 330.

<Configuration of Remote Fan Assembly>

The remote fan assembly 400 is configured to discharge air forward with respect to the cabinet assembly 100. The remote fan assembly 400 provides a direct wind to the user.

The remote fan assembly 400 is disposed in front of the heat exchange assembly 500. The far fan assembly 400 is stacked on an upper side of the near fan assembly 300.

The remote fan assembly 400 discharges air to the front discharge port 401 formed in the door assembly 200. The remote fan assembly 400 provides a structure rotatable in the up, down, left, right or diagonal direction. The remote fan assembly 400 may improve the circulation of indoor air by discharging air toward the far side of the indoor space.

FIG. 9 is an exploded perspective view of the heat exchange assembly shown in FIG. 2, FIG. 10 is an exploded perspective view of the first heat exchanger illustrated in FIG. 9, FIG. 11 is a front sectional view of the first heat exchanger illustrated in FIG. 10, and FIG. 12. Is a front sectional view of the second heat exchanger illustrated in FIG. 10.

<Configuration of Heat Exchange Assembly>

In the heat exchange assembly 500 according to the present invention, the microchannel type first heat exchanger 501 and the second heat exchanger 502 may be stacked in the vertical direction to operate as one heat exchanger.

In the heat exchange assembly 500 according to the present invention, one of the microchannel type first heat exchanger 501 and the second heat exchanger 502 may be formed in parallel flow, and the remainder may be formed in the counter flow.

Since the heat exchange assembly 500 according to the present invention covers the intake port of the large area formed on the rear surface through the stacked micro channel type first heat exchanger 501 and the second heat exchanger 502, even if the area of the intake port is enlarged. It can cope enough without replacing the installation of a micro channel type heat exchanger.

The heat exchange assembly 500 according to the present invention provides a stable coupling structure through the supporter 510 when stacking two heat exchangers having a height higher than the width, and inserts a pipe connection part into the supporter to securely protect the pipe connection part. can do.

The heat exchange assembly 500 according to the present invention can eliminate the pressure imbalance generated in the upper refrigerant and the lower refrigerant when stacking two heat exchangers having a height higher than the width.

The heat exchange assembly 500 is made of a micro channel type heat exchanger. In the present embodiment, the heat exchange assembly 500 is manufactured by stacking the first heat exchanger 501 and the second heat exchanger 502 up and down.

The first heat exchanger 501 is disposed below, and the second heat exchanger 502 is disposed above. The first heat exchanger 501 and the second heat exchanger 502 are disposed vertically.

The heat exchanger assembly 500 includes a supporter 510 disposed between the first heat exchanger 501 and the second heat exchanger 502. The supporter 510 supports the second heat exchanger 502 disposed above.

The supporter 510 combines the first heat exchanger 501 and the second heat exchanger 502 to be integrated. The supporter 510 is formed of a material different from that of the first heat exchanger 501 and the second heat exchanger 502. In this embodiment, the supporter 510 is formed of a material having a low heat transfer coefficient.

The heat exchanger assembly 500 is manufactured by combining the supporter 510 manufactured separately from the first heat exchanger 501 and the second heat exchanger 502 manufactured in a furnace.

The supporter 510 blocks or minimizes heat transfer between the first heat exchanger 501 and the second heat exchanger 502.

The second heat exchanger 502 is disposed on the upper side, and the supporter 510 may be formed with a groove into which a part of the outer surface of the second heat exchanger 502 is inserted.

The first heat exchanger 501 and the second heat exchanger 502 are manufactured in the same structure.

In the present embodiment, a detailed structure will be described taking the first heat exchanger 501 as an example.

<Configuration of First Heat Exchanger>

The first heat exchanger 501 includes a first heat exchanger 530 that exchanges heat with air, and a second heat exchanger 540 that is stacked in the front and rear direction on the first heat exchanger 530 and heat exchanges with air. do. The first heat exchanger 530 and the second heat exchanger 540 are integrally manufactured in a furnace.

Unlike the present embodiment, the first heat exchanger 501 may have two or more heat exchangers stacked.

The first heat exchanger 530 and the second heat exchanger 540 are microchannel type heat exchangers. The first heat exchanger 530 and the second heat exchanger 540 are made of aluminum.

The first heat exchange part 530 may include a plurality of flat tubes 550 having a plurality of flow paths formed therein, a fin 560 connecting the flat tubes 550 to conduct heat, and the plurality of flat tubes ( 550 is coupled to one side, the first lower header 570 is connected to one side of the plurality of flat tube 550 and the refrigerant flows, and coupled to the other side of the plurality of flat tube 550, the plurality of flat tube 550 The first upper header 580 and the first upper header 580 and the first lower header 570 or the first upper header 580 to communicate with the other side of the flow and the refrigerant flows, and the inside to prevent the refrigerant from flowing A baffle 590 for partitioning is included.

Inside the flat tube 550 is extended in the longitudinal direction is formed a flow path through which the refrigerant flows. The flat tube 550 is disposed vertically, a plurality of flat tubes 550 are stacked in the left and right directions.

A plurality of flow paths are formed in the flat tube 550. The coolant flows along the longitudinal direction of the flat tube 550.

The left side of the flat tube 550 is inserted into and communicated with the first lower header 570. The right side of the flat tube 550 is inserted into and communicated with the first upper header 580.

The fin 560 is formed by bending and connecting the two flat tubes 550 stacked to conduct heat.

The baffle 590 may be installed anywhere in the first lower header 570 or the first upper header 580. In the present embodiment, the baffle 590 is installed in the first lower header 570 and the second lower header 571, respectively.

The baffle 590 includes a first baffle 590a installed in the first lower header 570 and a second baffle 590b installed in the second lower header 571.

The first baffle 590a partitions the inside of the first lower header 570 in left and right directions. The second baffle 590b partitions the inside of the second lower header 571 in left and right directions.

The first baffle 590a divides the inside of the first lower header 570 into two spaces. In this embodiment, this is defined as 1-1 space 591 and 1-3 space 592.

The inside of the second lower header 571 is divided into 2-1 space 594 and 2-3 space 596 by a second baffle 590b.

A space inside the first upper head 580 is defined as the first 1-2 space 592 and a space inside the second upper head 581 is defined as the second-2 space 595.

The numbering of the spaces was independent of position and numbered according to the flow order of the refrigerant.

The second baffle 590b partitions the inside of the second lower header 571 in left and right directions. In this embodiment, this is defined as 2-1 space 593 and 2-3 space 595.

The direction of the refrigerant flowing on the left side and the direction of the refrigerant flowing on the right side are formed to be opposite to each other based on the baffle 590.

The flat tube 550 disposed on the right side of the first baffle 590a is defined as a first pass 551, and the flat tube 550 disposed on the left side of the first baffle 590a is defined as a second pass ( 552). The flat tube 550 disposed on the left side of the second baffle 590b is defined as the third pass 553, and the flat tube 550 disposed on the right side of the second baffle 590b is defined as the fourth pass ( 554).

The numbering of the passes was independent of position and numbered according to the flow order of the refrigerant. The coolant flows in the order of the first, second, third and fourth passes.

The flat tubes 550 of the first pass 551 and the flat tubes 550 of the second pass 552 are separated from each other by the first baffle 590a.

In the present embodiment, the number of flat tubes 550 disposed in the first pass 551, the second pass 552, the third pass 553, and the fourth pass 554 is the same. This arrangement of flat tubes is defined as four equal passes.

In this embodiment, refrigerant pipes are connected to the first lower head 570 and the second lower head 571. Unlike the present embodiment, the refrigerant pipes may be disposed in the first upper head 580 or the second upper head 581.

In the present embodiment, the first lower head 570 is formed with a first pipe connection part 572 to which the refrigerant pipe is connected. The first pipe connection part 572 is formed to protrude from the first lower head 570, is integrally formed with the first lower head 570, and communicates with the first-first space 591.

In this embodiment, the first pipe connection part 572 is formed to protrude downward from the bottom surface of the first lower head 570. When the first pipe connection part 572 is disposed in the upper head, the first pipe connection part 572 may protrude upward from the upper surface of the upper head.

Unlike the present embodiment, the first pipe connection part 572 may protrude from the side of the lower head or the upper head.

In the present embodiment, the second lower head 571 is formed with a second pipe connection part 574 to which a refrigerant pipe is connected. The second pipe connection part 574 protrudes from the second lower head 571, is integrally formed with the second lower head 571, and communicates with the second and second spaces 596.

In the present embodiment, the second pipe connection part 574 is formed to protrude downward from the bottom of the second lower head 571. When the second pipe connection part 574 is disposed on the upper head, the second pipe connection part 574 may protrude upward from the upper surface of the upper head.

Unlike the present embodiment, the second pipe connection part 574 may protrude from the side of the lower head or the upper head.

In the present embodiment, when it is necessary to refer to the pipe connection portions of the first heat exchanger 501 and the second heat exchanger 502 to distinguish, the first pipe connection portion of the first heat exchanger is referred to as 572 ', The second piping connection of the first heat exchanger is referred to as 574 ', the first piping connection of the second heat exchanger is referred to as 572 ", and the second piping connection of the second heat exchanger is referred to as 574". .

The first lower head 570 and the second lower head 571 or the first to allow the refrigerant to flow from the first heat exchange part 530 of the first heat exchanger 501 to the second heat exchange part 540. A communication hole 575 is formed in one of the upper head 580 and the second upper head 581.

In this embodiment, the communication hole 575 is formed in the first lower head 570 and the second lower head 571. The plurality of communication holes 575 may be disposed in the longitudinal direction of the lower heads 570 and 571.

Unlike the present embodiment, a communication hole may be formed in the first upper head 580 and the second upper head 581.

Since the refrigerant flows downward by its own weight, it is advantageous for the refrigerant flow to form the communication hole in the lower head rather than the communication hole in the upper head.

The communication holes 575 are formed on opposite surfaces of the first lower head 570 and the second lower head 571, respectively.

When the coolant flows from the second pass 552 disposed in the first heat exchanger 530 to the third pass 553 disposed in the second heat exchanger 540, the refrigerant passes through the communication hole 575. It flows to a heat exchange part.

In this embodiment, after the refrigerant is supplied to the first heat exchanger 501 disposed below, the refrigerant is discharged from the second heat exchanger 502.

Thus, the first refrigerant pipe 522 is connected to the first heat exchanger 501, the third refrigerant pipe 526 is connected to the second heat exchanger 502, and the second refrigerant pipe 524 is connected to the first refrigerant pipe 522. The refrigerant is flowed by connecting the first heat exchanger 501 and the second heat exchanger 502.

The refrigerant depending on which pipe connection portion 522, the third refrigerant pipe 526, and the second refrigerant pipe 524 are disposed in the pipe connection portion of the first heat exchanger 501 or the second heat exchanger 502. The flow order of can be changed.

When the flow direction of the refrigerant passing through the heat exchanger and the flow direction of the air is the same, it is defined as parallel flow, and when the flow direction of the refrigerant and the flow direction of the air is defined as the opposite flow.

For example, when air flows from rear to front, it is parallel flow that the refrigerant flows from the first heat exchanger 530 disposed at the rear to the second heat exchanger 540 disposed at the front. On the contrary, when the air flows from the rear to the front, it is parallel flow that the refrigerant flows from the second heat exchanger 540 disposed at the front to the first heat exchanger 530 disposed at the rear.

Depending on which pipe connection part the first refrigerant pipe 522, the second refrigerant pipe 524, and the third refrigerant pipe 526 are connected to, a counter flow or parallel flow during cooling or heating may be selected.

In this embodiment, any one of the first heat exchanger 501 or the second heat exchanger 502 is disposed in the opposite flow, and the other is disposed in the parallel flow. When the refrigerant flow path is arranged in this way, during cooling, either the first heat exchanger 501 or the second heat exchanger 502 is formed in the opposite flow and the other is formed in the parallel flow, and during heating, the first Either of the heat exchanger 501 or the second heat exchanger 502 is formed in parallel flow and the other is formed in counter flow.

When either one of the first heat exchanger 501 or the second heat exchanger 502 is disposed in the counter flow, and the other is arranged in parallel flow, the efficiency of the heat exchange assembly 500 during the cooling or heating uniformly It can be maintained.

On the other hand, when the heat exchange assembly 500 is used only for cooling or heating, it is preferable to form a counter flow in both the first heat exchanger 501 and the second heat exchanger 502.

Thus, in the present embodiment, the first refrigerant pipe 522, the third to arrange one of the first heat exchanger 501 or the second heat exchanger 502 in the opposite flow, and the other in parallel flow The refrigerant pipe 526 and the second refrigerant pipe 524 are disposed.

In this embodiment, the first refrigerant pipe 522 is connected to the first pipe connection portion 572 ′ of the first heat exchanger 501.

The third refrigerant pipe 526 is connected to the first pipe connection portion 572 ″ of the second heat exchanger 502.

One end 523 of the second refrigerant pipe 524 is connected to the second pipe connection 574 ′ of the first heat exchanger 501, and the other end 525 is formed of the second heat exchanger 502. 1 pipe connection 574 ".

In the cooling operation, the coolant flows in the order of "first refrigerant pipe 522-> second refrigerant pipe 524-> third refrigerant pipe 526".

In the heating operation, the refrigerant flows in the order of the "third refrigerant pipe 526-> the second refrigerant pipe 524-> the first refrigerant pipe 522".

During the cooling operation, the coolant flows to the "first pass 551-> second pass 552-> third pass 553-> fourth pass 554" of the first heat exchanger 501. Thereafter, the second refrigerant pipe 524 flows to the second heat exchanger 502, and the "fourth pass 554-> third pass 553-> second of the second heat exchanger 502. Pass 552-> first pass 551 ".

In the cooling operation, the refrigerant is supplied to the heat exchange assembly 500 through the first refrigerant pipe 522, and the refrigerant of the heat exchange assembly 500 is discharged through the third refrigerant pipe 526.

The indoor air flows from the first heat exchanger 530 to the second heat exchanger 540. In the cooling operation, the first heat exchanger 501 is formed in parallel flow and the second heat exchanger 502. Is formed in a counterflow.

On the contrary, during the heating operation, the first heat exchanger 501 is formed in a counter flow, and the second heat exchanger 502 is formed in a parallel flow.

Thus, during the heating operation, the refrigerant flows to the "first pass 551-> second pass 552-> third pass 553-> fourth pass 554 of the second heat exchanger 502. After the flow, it is flowed to the first heat exchanger 501 through the second refrigerant pipe 524, the "fourth pass 554-> the third pass 553-> of the first heat exchanger 501 Second pass 552-> first pass 551 ".

In the heating operation, the refrigerant is supplied to the heat exchange assembly 500 through the third refrigerant pipe 526, and the refrigerant of the heat exchange assembly 500 is discharged through the first refrigerant pipe 522.

On the other hand, the supporter 510 is disposed between the first heat exchanger 501 and the second heat exchanger 502, blocks the heat transfer between the first heat exchanger 501 and the second heat exchanger 502, Support the second heat exchanger 502 disposed above.

The supporter 510 is combined with and integrated with the first heat exchanger 501 and the second heat exchanger 502. The supporter 510 may be coupled to the first heat exchanger 501 and the second heat exchanger 502 through a fastening member such as a bolt. Unlike the present embodiment, the first heat exchanger 501 and the second heat exchanger 502 may be combined with each other by welding.

The supporter 510 is supported on the first heat exchanger 501, is formed on a supporter body 511 for supporting the second heat exchanger 502, and is formed on an upper surface of the supporter body 511. 2 includes insertion grooves 512 and 514 into which pipe connections 572 ″ and 574 ″ of the heat exchanger 502 are inserted.

The insertion grooves 512 and 514 are recessed downward from the top surface of the supporter body 511. In the present embodiment, two insertion grooves 512 and 514 are disposed to correspond to the pipe connection portions 572 ″ and 574 ″ of the second heat exchanger 502.

When the number of the pipe connection parts is changed, the number of the insertion grooves may also be changed.

The top surface 510a of the supporter 510 is formed in a shape corresponding to the bottom surface of the second heat exchanger 502. That is, the upper surface 510a of the supporter 510 corresponds to the bottom shape of the first lower head 570 and the second lower head 571 of the second heat exchanger 502.

Through this, the supporter 510 may be brought into close contact with the first lower head 570 and the second lower head 571 of the second heat exchanger 502, and the first heat exchanger 502 may be in close contact with the first lower head 570. The lower head 570 and the second lower head 571 can be stably supported.

In this embodiment, since the bottom surfaces of the first lower head 570 and the second lower head 571 of the second heat exchanger 502 are flat, the upper surface 510a of the supporter 510 is also formed flat. .

In addition, the bottom surface 510b of the supporter 510 is formed in a shape corresponding to the top surface of the first heat exchanger 502. That is, the bottom surface 510b of the supporter 510 corresponds to the top surface shape of the first upper head 580 and the second upper head 581 of the first heat exchanger 502.

In the present embodiment, the insertion grooves 512 and 514 are concave downward from the upper surface 510a.

An insertion groove corresponding to the first pipe connection part 572 is defined as a first insertion groove 512, and an insertion groove corresponding to the second pipe connection part 574 is defined as a second insertion groove 514.

In this embodiment, the first insertion groove 512 and the second insertion groove 514 are opened toward the front surface 510c for connection with the refrigerant pipe.

Unlike the present embodiment, the first insertion groove 512 and the second insertion groove 514 may be opened to the rear surface (not shown). In addition, unlike the present embodiment, the first insertion groove 512 and the second insertion groove 514 may be formed by opening in the front and rear directions.

The flow direction of the condensed water flowing down from the second heat exchanger 502 may be controlled through the opened directions of the first insertion groove 512 and the second insertion groove 514. When the first insertion groove 512 and the second insertion groove 514 are opened in the front and rear directions, condensate may be drained to both the front and rear surfaces.

If condensate accumulates in the first insertion groove 512 and the second insertion groove 514, mold or the like may occur. The first insertion groove 512 and the second insertion groove 514 may be formed to be inclined bottom surface (512a, 514a) to facilitate the discharge of condensate.

The bottom surfaces 512a and 514a are formed to be inclined toward the opened surfaces of the first insertion grooves 512 and the second insertion grooves 514, and thereby the first insertion grooves 512 and the second insertion grooves. The condensate accumulated in the interior of the 514 can be drained more effectively.

In the present embodiment, since the first insertion groove 512 is located on the rear side than the second insertion groove 514, the first insertion groove 512 is further in the front-rear direction than the second insertion groove 514. It is formed long.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments but may be manufactured in various forms, and having ordinary skill in the art to which the present invention pertains. It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

100: cabinet assembly 200: door assembly
300: short-range fan assembly 400: long-range fan assembly
500: heat exchange assembly 600: filter assembly
700: moving cleaner 800: humidification assembly

Claims (11)

A cabinet assembly having a front opening and a suction opening for suctioning indoor air at a rear surface thereof;
A door assembly assembled at a front of the opened cabinet assembly, opening and closing an inner space S of the cabinet assembly, and having a front discharge port;
A fan assembly disposed inside the cabinet assembly and configured to suck indoor air sucked through the suction port into the internal space S, and discharge air from the indoor space S to the interior;
It is made of a micro-channel type, disposed between the fan assembly and the cabinet assembly, and heat exchange the suctioned indoor air and the refrigerant, the heat exchange assembly;
The heat exchange assembly,
A first heat exchanger fabricated in a micro channel type and disposed below the internal space S and disposed in a vertical direction;
A second heat exchanger fabricated in a micro channel type, disposed on an upper side of the inner space S, disposed in an up-down direction, and stacked on an upper side of the first heat exchanger;
And a supporter disposed between the first heat exchanger and the second heat exchanger, integrally coupling the first heat exchanger and the second heat exchanger, and supporting the second heat exchanger.
And a refrigerant supplied to the first heat exchanger or the second heat exchanger of the heat exchange assembly is operated as one heat exchanger via the second heat exchanger or the first heat exchanger. The method according to claim 1,
The first heat exchanger has a vertical height longer than the left and right width, the front and rear thickness is shorter than the width, the second heat exchanger has a vertical height is longer than the left and right width, and the front and rear thickness is shorter than the width. Indoor unit of air conditioner. The method according to claim 1,
The indoor unit of the air conditioner, wherein the first heat exchanger and the second heat exchanger stacked in the vertical direction form the same vertical plane. The method according to claim 1,
And the first heat exchanger, the supporter, and the second heat exchanger cover the intake port and are disposed to face the intake port. The method according to claim 1,
The first heat exchanger includes a first heat exchanger disposed on a rear side and a second heat exchanger disposed on a rear side, and the second heat exchanger includes a first heat exchanger disposed on a rear side and a second heat exchanger disposed on a rear side. Including wealth,
The refrigerant supplied to the first heat exchanger or the second heat exchanger of the heat exchange assembly flows to the second heat exchanger or the first heat exchanger,
An indoor unit of an air conditioner operated by one heat exchanger via both the first heat exchanger and the second heat exchanger of the first heat exchanger and the first heat exchanger and the second heat exchanger of the second heat exchanger. The method according to claim 5,
One of the first heat exchanger or the second heat exchanger is a parallel flow in which the refrigerant flows from the first heat exchanger disposed at the rear to the second heat exchanger disposed at the front, and the sucked indoor air flows from the rear to the front. Formed into,
The other of the first heat exchanger or the second heat exchanger, the refrigerant flows from the second heat exchanger disposed in the front to the first heat exchanger disposed in the rear, the suction air flows from the rear to the front flow Indoor unit of air conditioner formed with. The method according to claim 6,
The first heat exchange part of the first heat exchanger is formed with a first pass and a second pass through which the refrigerant flows in left and right directions, and the second heat exchange part of the first heat exchanger includes a third pass and a third flow through which the refrigerant flows in the left and right directions. 4 passes are formed,
The first heat exchange part of the second heat exchanger is formed with a first pass and a second pass through which the refrigerant flows in left and right directions, and the second heat exchange part of the second heat exchanger includes a third pass and a third flow through which the refrigerant flows in the left and right directions. 4 passes are formed,
A first pipe connection part connected to the first pass is formed in the first heat exchange part of the first heat exchanger, and a second pipe connection part connected to the fourth pass is formed in the second heat exchange part of the first heat exchanger. Become,
A first pipe connection part connected to the first pass is formed in the first heat exchange part of the second heat exchanger, and a second pipe connection part connected to the fourth pass is formed in the second heat exchange part of the second heat exchanger. Unit of air conditioner becoming. The method according to claim 7,
A first refrigerant pipe is connected to the first pipe connection part of the first heat exchanger, a third refrigerant pipe is connected to the second pipe connection part of the second heat exchanger,
The indoor unit of the air conditioner, further comprising a second refrigerant pipe connecting the second pipe connection of the first heat exchanger and the first pipe connection of the second heat exchanger. The method according to claim 7,
At least one of the first pipe connection portion or the second pipe connection portion of the second heat exchanger is an indoor unit of the air conditioner is formed to protrude downward. The method according to claim 7,
The supporter may include a first insertion groove into which the first pipe connection part of the second heat exchanger is inserted; And a second insertion groove into which the second pipe connection part of the second heat exchanger is inserted. The method according to claim 10,
At least one of the first insertion groove or the second insertion groove of the indoor unit of the air conditioner is formed by opening to the front or rear.

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