KR100672602B1 - Indoor heat exchanging unit for air-conditioner - Google Patents

Abstract

An indoor heat exchanging unit for an air-conditioner is provided to supply a pleasant environment to an indoor habitant by giving a cooling/heating function as well as a circulation function. In an indoor heat exchanging unit for an air-conditioner, a cabinet(130) has an indoor side intake port(131) for flowing an indoor air thereinto, an indoor side discharge port(132) for discharging the air into the indoor, an outdoor side intake port(133) for flowing the outdoor air, and an outdoor side discharge port(134) for discharging the indoor air to the outdoor. A reproduced heat exchanging unit(110) is installed in the cabinet. An intake side blower(150) is installed inside of the cabinet to forcibly intake the air through the indoor side intake port. A discharge side blower(140) is installed inside of the cabinet to forcibly ventilate the air to the indoor side discharge port. A fan motor(160) rotates the intake side blower and the discharge side blower at the same time. And, an indoor heat exchanging unit(120) is installed inside of the cabinet with being bent at least one time.

Description

Indoor Heat Exchanging Unit for Air-conditioner

1 is a view schematically showing a state in which the air conditioner according to the present invention installed in the room

Figure 2 is a plan view schematically showing an embodiment of the configuration of the indoor heat exchange unit of the air conditioner according to the present invention

3 is a plan view showing a part of the ventilation mode of the indoor heat exchange unit of FIG.

Figure 4 is a plan view showing a state of the entire ventilation mode of the indoor heat exchange unit of Figure 2

Figure 5 is a plan view schematically showing another embodiment of the configuration of the indoor heat exchange unit of the air conditioner according to the present invention

Explanation of symbols on the main parts of the drawings

100: indoor heat exchanger unit 110: regenerative heat exchanger

111: first communication port 112: second communication port

113: first damper 114: second damper

115: boundary wall 120: indoor heat exchanger

130: cabinet 131: indoor side suction port

132: indoor side outlet 133: outdoor side inlet

134: outdoor side outlet 135: guide wall

140: discharge side blower 150: suction side blower

160: fan motor

The present invention relates to an air conditioner, and more particularly, to an air conditioner capable of selectively performing an indoor cooling function as well as an indoor cooling and heating function, the indoor ventilation and the temperature of air supplied to the room. An indoor heat exchange unit for selectively performing adjustment.

In general, an air conditioner functions to cool or heat an indoor space such as a living space, a restaurant, a library, or an office.

To this end, a general air conditioner includes a compressor, a condenser, an expansion device, and an evaporator, and cools or heats indoor air by a phase change of the refrigerant passing through the compressor, the condenser, the expansion device, and the evaporator.

Such an air conditioner is classified into an integrated air conditioner in which an outdoor unit and an indoor unit are integrally formed, and a separate air conditioner in which the outdoor unit and the indoor unit are separately installed.

The integrated air conditioner is a structure in which an indoor unit for heat exchange with indoor air and an outdoor unit for heat exchange with outdoor air are integrally installed in one case, and are mainly installed in a window.

The separate air conditioner includes an indoor unit that exchanges heat with indoor air attached to a wall or a ceiling of an indoor air, and an outdoor unit that exchanges heat with outdoor air is formed separately from the indoor unit and installed on a balcony of an apartment or an exterior wall of a building.

However, the above-mentioned general air conditioners are simply configured to cool or heat the room while circulating the indoor air. Recently, in order to maintain a more comfortable indoor environment, air having both a cooling function and a heating function as well as a ventilation function is provided. Development of a harmonization device is required.

The present invention is to solve the above problems, an object of the present invention is to provide an indoor heat exchange unit of the air conditioner that can effectively perform the ventilation function with the cooling, heating function of the room, and increase the heat exchange efficiency will be.

According to an aspect of the present invention for achieving the above object, the indoor inlet for the indoor air is introduced and the indoor outlet for discharging the air into the room, the outdoor inlet for the outdoor air for ventilation, A cabinet having an outdoor side outlet for discharging the indoor air introduced into the indoor side suction port to the outside; A regenerative heat exchanger installed in the cabinet and having a regenerative heat exchanger configured to mutually heat-exchange the outdoor air introduced into the outdoor inlet and the indoor air discharged to the outdoor outlet for ventilation; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A fan motor connected between the suction side blower and the discharge blower, both shafts being simultaneously connected to the suction blower and the discharge blower to simultaneously rotate the suction blower and the discharge blower; An indoor heat exchange unit of an air conditioner is provided in the cabinet and is formed to be bent at least one or more times, and includes an indoor heat exchanger for heat-exchanging air flowing into the discharge side blower.

According to another embodiment of the present invention, an indoor side inlet for introducing indoor air and an indoor side outlet for discharging air into the room are formed on one surface, and an outdoor side inlet for introducing outdoor air for ventilation and the indoor side A cabinet having an outdoor side outlet for discharging the indoor air introduced into the suction port to the outside on one side of the other side; A regenerative heat exchanger having a regenerative heat exchanger installed in the cabinet near the outdoor suction port and the outdoor discharge port and configured to exchange heat between the outdoor air flowing into the outdoor suction port and the indoor air discharged to the outdoor discharge port for ventilation. Wow; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A fan motor connected between the suction side blower and the discharge blower, both shafts being simultaneously connected to the suction blower and the discharge blower to simultaneously rotate the suction blower and the discharge blower; An indoor heat exchange unit of an air conditioner installed on a flow path between the suction side blower and the discharge side blower and formed to be bent at least one or more times, the indoor heat exchanger configured to heat exchange the air flowing in the discharge side blower. This is provided.

According to still another aspect of the present invention, there is provided an indoor suction port through which indoor air is introduced, an indoor discharge port through which air is discharged into the room, an outdoor suction port through which outdoor air is introduced for ventilation, and an indoor suction port. A cabinet having an outdoor side outlet for discharging the introduced indoor air to the outside; A regenerative heat exchanger installed in the cabinet and having a regenerative heat exchanger configured to mutually heat-exchange the outdoor air introduced into the outdoor inlet and the indoor air discharged to the outdoor outlet for ventilation; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A first fan motor for rotating the suction side blower; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A second fan motor for rotating the discharge side blower; An indoor heat exchange unit of an air conditioner is formed to extend from one side of the cabinet to an opposite side, the indoor heat exchanger configured to heat exchange the air flowing into the discharge side blower.

According to yet another aspect of the present invention, an indoor side suction port through which indoor air is introduced and an indoor side discharge port for discharging air into the room are formed on one surface, and an outdoor side suction port through which outdoor air is introduced for ventilation and the indoor side A cabinet having an outdoor side outlet for discharging the indoor air introduced into the suction port to the outside on one side of the other side; A regenerative heat exchanger having a regenerative heat exchanger installed in the cabinet near the outdoor suction port and the outdoor discharge port and configured to exchange heat between the outdoor air flowing into the outdoor suction port and the indoor air discharged to the outdoor discharge port for ventilation. Wow; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A first fan motor for rotating the suction side blower; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A second fan motor for rotating the discharge side blower; An indoor heat exchange unit of an air conditioner is formed to extend from one surface of the cabinet on which the indoor suction port and the indoor discharge port are formed to the opposite surface, and includes an indoor heat exchanger for heat-exchanging air flowing into the discharge-side blower. .

Hereinafter, exemplary embodiments of an indoor heat exchange unit of an air conditioner according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a view illustrating a configuration of an air conditioner to which an indoor heat exchanger unit of the present invention is applied. The air conditioner according to the present invention includes an indoor heat exchanger unit 100 having a temperature control function of air supplied into a room. ), An outdoor unit 200 for exchanging heat with outdoor air, a plurality of indoor blower units 400 for supplying air provided from the indoor heat exchange unit 100 to each room, and the indoor heat exchange unit 100. It is configured to include a duct 300 to guide the air.

The indoor heat exchange unit 100 performs a function of a normal indoor unit that cools or heats the air supplied to the room, and at the same time, heat loss by mutually heat-exchanging the outdoor air supplied to the room and the indoor air discharged to the outside. It is configured to perform a function to minimize.

The indoor heat exchange unit 100 having such a function may be installed on the ceiling or the wall of the room, but is preferably installed on the ceiling of the veranda in order to effectively utilize the indoor space.

In general, the veranda is installed adjacent to the living room, the ceiling of the veranda is built higher than the ceiling of the living room or room. Therefore, in order to install the indoor heat exchange unit 100, it is not necessary to form an accommodation space having a predetermined size for accommodating the indoor heat exchange unit 100 on the ceiling or the wall of the room. In addition, due to the installation of the indoor heat exchange unit 100, the problem of harming the beauty of the room is also eliminated, it is possible to cool or heat a plurality of rooms with one indoor heat exchange unit.

In addition, the outdoor unit 200 is installed on an outer wall or a veranda of a building, and a compressor for pumping refrigerant, a heat exchanger for exchanging heat with outdoor air, and forced air flow to increase heat exchange efficiency between the outdoor air and the heat exchanger. A blower and the like are provided.

Next, the duct unit 300 guides the indoor air to the indoor heat exchange unit 100, and serves to guide the air air-conditioned from the indoor heat exchange unit 100 to the room.

To this end, the duct unit 300, the first duct 310 for guiding the air supplied from the indoor heat exchange unit 100 to the indoor blowing unit 400 to the room, and the indoor air to the indoor heat exchange unit And a second duct 320 leading to 100.

In this case, each of the ducts 310 and 320 constituting the duct 300 is built in the ceiling of the room, it is preferable that the double pipe structure to minimize the heat loss.

The indoor blowing unit 400 is called a fan power unit, and unlike the indoor heat exchange unit 100 having a heat exchange and ventilation function, a function of blowing air without substantially performing a heat exchange function of air. It is configured to have only.

Hereinafter, the structure and operation of an embodiment of the indoor heat exchange unit 100 will be described in detail with reference to FIG. 2.

The indoor heat exchange unit 100, the regeneration heat exchanger 110 for mutual heat exchange between the outdoor air supplied from the outside for ventilation and the indoor air discharged to the outside, and the indoor heat exchanger for controlling the temperature of the air supplied to the room And a cabinet 130 for accommodating the regeneration heat exchanger 110 and the indoor heat exchanger 120.

The cabinet 130 includes an indoor suction port 131 through which indoor air is introduced, an indoor discharge port 132 for discharging air supplied from the indoor heat exchanger 120 to the room, and the regeneration heat exchanger 110. The outdoor side inlet 133 for supplying the outdoor air to the furnace, and the outdoor side outlet 134 for discharging the indoor air heat exchanged in the regeneration heat exchanger 110 to the outside.

Here, the cabinet 130 has a substantially rectangular box shape, the first duct 310 is connected to the indoor suction port 131, and the second duct 320 is connected to the indoor discharge port 132. Connected.

In the cabinet 130, two boundary walls 115a and 115b are provided to partition the space where the regenerative heat exchanger 110 and the indoor heat exchanger 120 are installed. The boundary wall extends from one corner of the regeneration heat exchanger 110 to one side wall of the cabinet 130 and divides the space in which the outdoor suction port 133 is formed to separate the space between the first boundary wall 115a and the cabinet 130. The second boundary wall 115b extends from the other side wall to pass through the other side edge of the regeneration heat exchanger 110.

The second boundary wall 115b is formed such that the first communication port 111 allowing the outdoor air sucked into the outdoor suction port 133 to flow to the indoor heat exchanger 120 side is opened. In addition, a second communication port 112 is formed between the first boundary wall 115a and the second boundary wall 115b so as to allow air introduced from the inside to flow to the outdoor side outlet 134.

In addition, a first damper 113 for selectively opening and closing the first communication port 111 is provided on the second boundary wall 115b so as to be rotatable by a driving device such as a step motor (not shown). In addition, a second damper 114 for selectively opening and closing the second communication port 112 is provided at the distal end of the second boundary wall 115b so as to be rotatable by a driving device such as a step motor (not shown). .

Here, the regenerative heat exchanger 110 is installed with a regenerative heat exchanger 116 through which indoor air and outdoor air cross each other. That is, the regenerative heat exchanger 116 includes a first flow path (not shown) through which indoor air discharged to the outside flows, and a second flow path (not shown) that flows orthogonal to the first flow path while the outdoor air supplied to the room flows. C) is formed.

The first flow path connects the second communication port 112 and the outdoor side outlet 134, and the second flow path connects the first communication port 111 and the outdoor side suction port 133. .

By the configuration of the regenerative heat exchanger 110 as described above, the indoor air passing through the first flow path of the regenerative heat exchanger 116 undergoes mutual heat exchange with the outdoor air passing through the second flow path, thereby minimizing heat loss. do.

On the other hand, the air conditioner according to the present invention, the entire ventilation mode for discharging the entire indoor air introduced into the cabinet 130 through the indoor side inlet 131 to the outdoor side outlet 134, the indoor side Partial ventilation mode for discharging a part of the indoor air introduced into the cabinet 130 through the inlet 131 to the outdoor side outlet 134, and air introduced into the cabinet 130 through the indoor side inlet. It can be operated in the indoor air conditioning mode for supplying the whole back to the room through the indoor side outlet 132.

In order to perform these driving modes, the first damper 113 and the second damper 114 are configured such that the opening and closing angle of the first damper 113 and the second damper 114 is adjusted according to the driving mode of the air conditioner.

A refrigerant pipe (not shown) through which the refrigerant flows is connected to the indoor heat exchanger 120, and the refrigerant flowing inside the indoor heat exchanger 120 receives heat from air passing through the indoor heat exchanger 120. By absorbing or releasing heat into the air passing through the indoor heat exchanger 120, the air conditioning function is performed.

The indoor heat exchanger 120 is formed to be bent in an approximately '>' shape when viewed from above. This is to increase the heat exchange area and increase the heat exchange capacity by increasing the length of the indoor heat exchanger 120.

That is, when the indoor heat exchanger 120 is formed to be bent over at least a primary, as in the present invention, when the indoor heat exchanger 120 is formed in a straight line, the length of the indoor heat exchanger 120 is further increased to increase the heat exchange capacity. Will be.

On the other hand, the inside of the cabinet 130, the suction flow path of the indoor air introduced through the indoor suction port 131, the exhaust flow path of air discharged through the indoor discharge port 132 in communication with the suction flow path It is preferred that a guide wall 135 is provided to separate it. The guide wall 135 is formed such that the tip thereof is generally connected to the tip of the indoor heat exchanger 120.

In addition, the indoor heat exchange unit 100, the discharge side blower 140 forcing the flow of air from the indoor heat exchanger 120 side to the indoor discharge port 132 side, and the indoor suction port 131 A suction side blower 150 for forcing the flow of air from the air is provided.

The discharge side blower 140 is disposed between the indoor heat exchanger 120 and the indoor discharge port 132, that is, on the exhaust flow path, so that the indoor air and / or the air flowing in from the indoor suction port 131 are discharged. The outdoor air introduced through the first communication port 111 is forcibly blown to the indoor outlet 132.

In addition, the suction side blower 150 is disposed on the suction flow path to forcibly suck the indoor air through the indoor side suction port 131 and discharge the air to the second communication port 112 side.

Here, the discharge port of the suction side blower 150 is preferably provided with a suction side diaphragm 155 for dividing the discharge port at a predetermined ratio. The suction side diaphragm 155 divides the air discharged from the discharge port at a predetermined ratio and extends toward the second communication port 112 of the regeneration heat exchange unit 110. The suction side diaphragm 155 is connected to the second damper 114 opened at a predetermined angle during the partial ventilation mode operation and divides the flow of air.

In addition, the discharge side blower 140 is formed with a discharge side diaphragm 145 extending toward the indoor heat exchanger 120 to separate the flow of air. The discharge side diaphragm 145 is connected to the first damper 113 which is opened at a predetermined angle during the partial ventilation mode operation to separate the flow of air.

The discharge side blower 140 and the suction side blower 150 is preferably a centrifugal fan having the advantages of small flow noise, such as a sirocco fan, to increase the air volume by increasing the static pressure. Here, the discharge side blower 140 and the suction side blower 150 illustrates that the sirocco fan is applied.

The discharge side blower 140 and the suction side blower 150 are provided with fan housings 141 and 151 having discharge holes formed in opposite directions, respectively, and sirocco fans 142 and 152 are respectively installed therein. The sirocco fans 142 and 152 are simultaneously connected to one fan motor 160 fixed to the guide wall 135 to drive synchronously.

Referring to Figures 2 to 4 the operation of the indoor heat exchange unit 100 configured as described above are as follows.

First, the indoor air conditioning mode will be described with reference to FIG. 2. When the user designates an indoor air conditioning mode and sets an indoor desired temperature, the first damper 113 and the second damper 114 are connected to the first communication port 111 and the second communication port 112. Shield each of them.

In addition, when the discharge side blower 140 and the suction side blower 150 are driven by the fan motor 160, the indoor air is connected to the indoor suction port 131 connected to the first duct 310. It is introduced into the cabinet 130.

The indoor air introduced into the cabinet 130 passes through the suction passage and enters the indoor heat exchanger 120 provided in the exhaust passage to undergo a heat exchange process.

The air that has undergone the heat exchange process in the indoor heat exchanger 120 is sucked into the suction side blower 150 and then discharged to the indoor outlet 132, and the air discharged through the indoor outlet 132 is Guided to the indoor blowing unit 400 by the second duct 320 to cool or heat the room.

Next, the partial ventilation mode will be described with reference to FIG. 3. When the user selects a partial ventilation mode and sets a desired temperature of the room, the first damper 113 and the second damper 114 are rotated by a set angle, respectively, to discharge the air blower 140 and the exhaust. It is connected to the side diaphragm 145 and the suction side diaphragm 151 of the suction side blower 150.

In addition, when the discharge side blower 140 and the suction side blower 150 are driven together by the fan motor 160, indoor air is provided through the indoor side suction port 131 connected to the first duct 310. It is introduced into the cabinet 130.

At this time, the indoor air discharged through the suction side blower 150 is separated by the suction side diaphragm 155, and part of the first flow path of the regeneration heat exchanger 116 is through the second communication port 112. After being introduced into and discharged to the outside through the outdoor side outlet 134, the remainder is introduced into the indoor heat exchanger 120 provided in the exhaust flow path through the heat exchange process and discharged through the indoor side outlet 132 Cool or heat the room.

At the same time, the outdoor air is introduced into the second flow path of the regenerative heat exchanger 116 through the outdoor side suction port 133 by the driving of the discharge side blower 140, and the indoor air passes through the first flow path. Undergo a heat exchange process. The outdoor air passing through the regenerative heat exchanger 116 enters the indoor heat exchanger 120 through the first communication port 111 and undergoes a heat exchange process, and then is discharged through an indoor outlet 132. Ventilate.

That is, in this partially ventilated mode, part of the indoor air is discharged to the outside through the first flow path of the regenerative heat exchanger 116, and the rest is heat-exchanged while passing through the indoor heat exchanger 120 to be supplied to the room again to provide cooling or heating. At the same time, the outdoor air is introduced into the room together with the heat exchanged air to perform ventilation together.

Finally, referring to FIG. 4, the entire ventilation mode will be described. When the user selects the entire ventilation mode and sets a desired temperature in the room, the first damper 113 and the second damper 114 are completely opened, and the second damper 114 is connected to the guide wall ( 135) at the end.

When the discharge side blower 140 and the suction side blower 150 are driven by a motor, the cabinet 130 is connected to the indoor side through the indoor suction port 131 connected to the first duct 310. Flows inside.

Here, the entire indoor air introduced into the cabinet 130 flows into the first flow path of the regenerative heat exchanger 116 communicating with the second communication port 112 by the second damper 114. Next, it is discharged to the outside through the outdoor side outlet 134.

At the same time, outdoor air is introduced into the second flow path of the regenerative heat exchanger 116 through the outdoor side suction port 133 by the driving of the discharge side blower 140, and passes through the first flow path. After undergoing a heat exchange process with, the indoor heat exchanger 120 is introduced through the first communication port 111 and undergoes a heat exchange process. The outdoor air that has undergone a heat exchange process in the indoor heat exchanger 120 is supplied to the indoor blower unit 400 by the discharge side blower 140 to ventilate the room.

Next, with reference to Figure 5 will be described the structure of another embodiment of the indoor heat exchange unit according to the present invention.

In the indoor heat exchange unit of this embodiment, an indoor suction port 231 connected to the first duct 310 and an indoor discharge port 232 connected to the second duct 320 are formed on one surface of the cabinet 230. In addition, an outdoor side inlet 233 through which outdoor air is sucked in and an outdoor side outlet 234 through which air is discharged to the outside are formed on one surface opposite to the cabinet 230.

Then, a regenerative heat exchanger 210 having a regenerative heat exchanger 216 is formed at one corner of the inside of the cabinet 230. The regenerative heat exchanger 210 is partitioned by the boundary wall 215.

A first communication port 211 and a second communication port 212 are formed in the boundary wall 215, respectively. The boundary wall 215 is rotatably provided with a first damper 213 for opening and closing the first communication port 211 and a second damper 214 for opening and closing the second communication port 212, respectively. .

In addition, an interior heat exchanger 220 is installed in the cabinet 230. Here, the indoor heat exchanger 220 is formed to extend from one surface of the cabinet 230 in which the indoor suction port 231 and the indoor discharge port 232 are formed to the opposite surface. That is, the indoor heat exchanger 220 is installed to traverse substantially the central portion of the cabinet 230, it is preferable to traverse in a slightly oblique form to further increase the length.

A discharge side blower 240 and a suction side blower 250 are installed in the cabinet 230, respectively.

The discharge side blower 240 includes a fan housing 241, a sirocco fan 242, and a fan motor 243. Here, the fan motor 243 is installed on the outer surface of the fan housing 241 to rotate the sirocco fan 242.

In addition, the suction side blower 350 is also provided with a fan housing 251, a sirocco fan 252, and a fan motor 253 installed on an outer surface of the fan housing 251 to rotate the sirocco fan 252. It is composed.

The discharge side blower 240 is formed with a discharge side diaphragm 245 extending toward the indoor heat exchanger 220. The discharge side diaphragm 245 is connected to the first damper 213 that rotates at a predetermined angle as in the above-described embodiment, and serves to separate the flow path.

Further, a suction side diaphragm 255 is formed which separates the flow of air discharged to the discharge port of the suction side blower 250. The suction side diaphragm 255 also rotates at a predetermined angle as in the above-described embodiment. 2 is connected to the damper 214.

A guide wall 235 is provided between the suction side blower 250 and the indoor heat exchanger 220 to separate the exhaust passage and the suction passage.

The indoor heat exchange unit of this embodiment may also be operated in three operation modes, namely indoor air conditioning mode, partial ventilation mode, and total ventilation mode, similarly to the indoor heat exchange unit of the above-described embodiment.

When the indoor air conditioning mode is selected, the first damper 213 and the second damper 214 shield the first communication port 211 and the second communication port 212, respectively, so that the air through the regenerative heat exchange unit 210 is reduced. To block flow. Then, the discharge side blower 240 and the suction side blower 250 are operated so that all of the air introduced through the indoor side suction port 231 is heat-exchanged through the indoor heat exchanger 220, and then the indoor side outlet 232 is opened. Through the room.

When the partial ventilation mode is selected, the first damper 213 and the second damper 214 are rotated at a predetermined angle and connected to the discharge side diaphragm 245 and the suction side diaphragm 255, respectively. In addition, the suction side blower 250 is operated to introduce air through the indoor suction port 231. Some of the introduced air is discharged to the outside through the outdoor outlet 234 while passing through the second communication port 212 and the regenerative heat exchanger 216. The remaining air is heat-exchanged through the indoor heat exchanger 220 and then discharged through the discharge side blower 240 to the indoor outlet 232 to cool the room.

At the same time, the outdoor air is introduced through the outdoor side inlet 233 by the operation of the discharge side blower 240, and the introduced air is regenerated heat exchanger 216, the first communication port 211, and the indoor heat exchanger 220. ), While passing through the exhaust side blower 240 in order to supply the room through the indoor side outlet 232 to ventilate the room.

In addition, when the entire ventilation mode is selected, the first damper 213 and the second damper 214 rotate at a larger angle so that the first damper 213 passes the discharge side diaphragm 245 and passes through the indoor heat exchanger 220. ) And the second damper 214 is connected to the end of the guide wall 235. Accordingly, the air introduced through the indoor suction port 231 by the suction side blower 250 is discharged through the outdoor discharge port 234 via the second communication port 212 and the regeneration heat exchanger 216. The air introduced through the outdoor side inlet port 233 by the discharge side blower 240 is supplied to the room through the indoor side outlet port 232 through the regeneration heat exchanger 216 and the first communication port 211, Ventilate.

The indoor heat exchange unit of the air conditioner according to the present invention having the above configuration has the following effects.

First, the indoor heat exchange unit according to the present invention, as described above, can perform not only the cooling and heating functions of the indoor space, but also the ventilation function of the room at the same time, thereby providing a more comfortable environment for indoor residents.

Secondly, according to the indoor heat exchange unit according to the present invention, since the regeneration heat exchanger for minimizing heat loss during indoor ventilation and the indoor heat exchanger for cooling and heating the room are accommodated in one cabinet, the regeneration heat exchanger and the indoor unit are separately provided. Compared to the case, the installation is easy and the installation cost is reduced.

Third, the indoor heat exchange unit according to the present invention has a structure that can increase the length of the indoor heat exchanger has the advantage of further improving the heat exchange performance.

Claims (10)

An indoor inlet for introducing indoor air, an indoor outlet for discharging air into the room, an outdoor inlet for introducing outdoor air for ventilation, and an air outlet for discharging indoor air introduced into the indoor inlet to the outside A cabinet having an outdoor side outlet formed on one surface thereof; A regenerative heat exchanger installed in the cabinet and having a regenerative heat exchanger configured to mutually heat-exchange the outdoor air introduced into the outdoor inlet and the indoor air discharged to the outdoor outlet for ventilation; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A fan motor connected between the suction side blower and the discharge blower, both shafts being simultaneously connected to the suction blower and the discharge blower to simultaneously rotate the suction blower and the discharge blower; The indoor heat exchange unit of the air conditioner is installed to be bent at least one or more times in the cabinet, the indoor heat exchanger for heat-exchanging the air flowing to the discharge side blower. The air purifier of claim 1, further comprising a guide wall disposed between the suction side blower and the discharge blower to form a suction passage of indoor air sucked through the suction blower and an exhaust passage of air blown through the discharge blower. Indoor heat exchange unit of the air conditioner, characterized in that configured to. The indoor heat exchange unit of an air conditioner of claim 2, wherein one end of the indoor heat exchanger is connected to one side of the cabinet and the other end is connected to the guide wall. The indoor heat exchange unit of the air conditioner of claim 2, wherein the fan motor is fixed to the guide wall. The method of claim 1, wherein the regenerative heat exchanger comprises: a boundary wall for partitioning a portion where the regenerative heat exchanger, an outdoor side inlet port, and an outdoor side outlet port is formed to be separated from other parts in the cabinet; A first communication port for allowing the introduced air to be discharged toward the discharge side blower, a second communication hole formed to be open at the boundary wall to allow the indoor air blown by the suction side blower to flow toward the outdoor side discharge port; And a second damper to selectively open and close the first communication port, and a second damper to selectively open and close the second communication port. An indoor inlet for introducing indoor air and an indoor outlet for discharging air into the room are formed on one surface, and an outdoor inlet for introducing outdoor air for ventilation and indoor air introduced into the indoor inlet are discharged to the outside. A cabinet formed at one side of the opposite side to the outdoor outlet; A regenerative heat exchanger having a regenerative heat exchanger installed in the cabinet near the outdoor suction port and the outdoor discharge port and configured to exchange heat between the outdoor air flowing into the outdoor suction port and the indoor air discharged to the outdoor discharge port for ventilation. Wow; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A fan motor connected between the suction side blower and the discharge blower, both shafts being simultaneously connected to the suction blower and the discharge blower to simultaneously rotate the suction blower and the discharge blower; An indoor heat exchange unit of an air conditioner installed on the flow path between the suction side blower and the discharge side blower and formed to be bent at least one or more times, the indoor heat exchanger configured to heat exchange the air flowing in the discharge side blower. . An indoor inlet for introducing indoor air, an indoor outlet for discharging air into the room, an outdoor inlet for introducing outdoor air for ventilation, and an air outlet for discharging indoor air introduced into the indoor inlet to the outside A cabinet having an outdoor outlet; A regenerative heat exchanger installed in the cabinet and having a regenerative heat exchanger configured to mutually heat-exchange the outdoor air introduced into the outdoor inlet and the indoor air discharged to the outdoor outlet for ventilation; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A first fan motor for rotating the suction side blower; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A second fan motor for rotating the discharge side blower; And an indoor heat exchanger formed to extend from one surface of the cabinet to the other surface of the cabinet, and configured to heat exchange the air flowing into the discharge side blower. The air purifier of claim 7, further comprising a guide wall disposed between the suction side blower and the discharge blower to form a suction passage of indoor air sucked through the suction blower and an exhaust passage of air blown through the discharge blower. Indoor heat exchange unit of the air conditioner, characterized in that configured to. 8. The regeneration heat exchanger of claim 7, wherein the regeneration heat exchanger comprises: a boundary wall partitioning a portion where the regeneration heat exchanger, an outdoor side suction port, and an outdoor side discharge port are formed from another part of the cabinet; A first communication port for allowing the introduced air to be discharged toward the discharge side blower, a second communication hole formed to be open at the boundary wall to allow the indoor air blown by the suction side blower to flow toward the outdoor side discharge port; And a second damper to selectively open and close the first communication port, and a second damper to selectively open and close the second communication port. An indoor inlet for introducing indoor air and an indoor outlet for discharging air into the room are formed on one surface, and an outdoor inlet for introducing outdoor air for ventilation and indoor air introduced into the indoor inlet are discharged to the outside. A cabinet formed at one side of the opposite side to the outdoor outlet; A regenerative heat exchanger having a regenerative heat exchanger installed in the cabinet near the outdoor suction port and the outdoor discharge port and configured to exchange heat between the outdoor air flowing into the outdoor suction port and the indoor air discharged to the outdoor discharge port for ventilation. Wow; A suction side blower installed inside the cabinet to forcibly suck air through the indoor suction port; A first fan motor for rotating the suction side blower; A discharge side blower installed inside the cabinet to forcibly blow air to the indoor discharge port; A second fan motor for rotating the discharge side blower; And an indoor heat exchanger formed to extend from one surface of the cabinet on which the indoor suction port and the indoor discharge port are formed to the opposite surface to heat exchange the air flowing into the discharge blower.

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