KR102345189B1 - Heat Exchanger and Control Method for the Same - Google Patents

Abstract

The present invention relates to a housing having a first chamber, a second chamber, a third chamber, and a fourth chamber forming a space separated from each other; a bet inlet for guiding indoor air to the first chamber; a bet outlet for guiding the air inside the second chamber to the outside; an outdoor air inlet for guiding outdoor air to the third chamber; an outdoor air supply port for guiding the air inside the fourth chamber into the room; a heat absorbing part provided inside the housing, connecting the first chamber and the second chamber, and absorbing heat from the air moving from the first chamber to the second chamber; a heating unit provided inside the housing to connect the third chamber and the fourth chamber, and to heat the air moving from the third chamber to the fourth chamber; a heat transfer unit transferring thermal energy flowing into the heat absorbing unit to the heat generating unit; a first fan provided in any one of the first chamber and the second chamber to move indoor air to the betting inlet; a second fan provided in one of the third chamber and the fourth chamber to move outdoor air to the outdoor air inlet; and a sterilization unit provided in at least one of the third chamber and the fourth chamber to sterilize air.

Description

{Heat Exchanger and Control Method for the Same}

The present invention relates to a total heat exchanger and a method for controlling the total heat exchanger.

When cooling or heating an indoor space, the amount of carbon dioxide increases in the indoor space, and to prevent this, it is necessary to periodically ventilate the indoor space. However, periodic ventilation of an indoor space in which cooling or heating is in progress has a disadvantage in causing a rapid loss of thermal energy.

In order to solve the above-mentioned disadvantages, many devices capable of air purification are being developed. However, conventional devices implementing the above-described functions have the ability to purify polluted indoor air, but cannot fundamentally reduce the amount of carbon dioxide. there was

An object of the present invention is to provide a total heat exchanger capable of ventilating indoor air as well as minimizing heat energy loss due to ventilation and a control method of the total heat exchanger.

In addition, an object of the present invention is to provide a total heat exchanger capable of sterilizing air flowing into a room and a filter that filters air flowing into the room, and a method for controlling the total heat exchanger.

Another object of the present invention is to provide a total heat exchanger capable of purifying and sterilizing indoor air and a method for controlling the total heat exchanger.

The present invention relates to a housing having a first chamber, a second chamber, a third chamber, and a fourth chamber forming a space separated from each other; a bet inlet for guiding indoor air to the first chamber; a bet outlet for guiding the air inside the second chamber to the outside; an outdoor air inlet for guiding outdoor air to the third chamber; an outdoor air supply port for guiding the air inside the fourth chamber into the room; a heat absorbing part provided inside the housing, connecting the first chamber and the second chamber, and absorbing heat from the air moving from the first chamber to the second chamber; a heating unit provided inside the housing to connect the third chamber and the fourth chamber, and to heat the air moving from the third chamber to the fourth chamber; a heat transfer unit transferring thermal energy flowing into the heat absorbing unit to the heat generating unit; a first fan provided in any one of the first chamber and the second chamber to move indoor air to the betting inlet; a second fan provided in one of the third chamber and the fourth chamber to move outdoor air to the outdoor air inlet; and a sterilizing unit provided in at least one of the third chamber and the fourth chamber to sterilize air.

The sterilizer may include at least one of a lamp for irradiating ultraviolet rays to the air introduced into the third chamber and a lamp for irradiating ultraviolet rays to the air introduced into the fourth chamber.

The present invention further includes a filtering unit for filtering the air introduced into the third chamber, wherein the sterilizing unit is provided in the third chamber to supply air introduced into the third chamber and UV light to the filtering unit. ; may be included.

The heat absorbing part includes a heat absorbing body provided as a conductor and a heat absorbing fin provided on the heat absorbing body to form a flow path connecting the first chamber and the second chamber, wherein the heat generating part is provided as a conductor and an upper portion of the heat absorbing part or a heating body positioned below, and a heating fin provided on the heating body to form a flow path connecting the third chamber and the fourth chamber, wherein the sterilizing unit is inserted into the flow path formed by the heating fin It may include; a lamp provided to supply ultraviolet rays.

The heat absorbing part includes a heat absorbing body provided as a conductor and a heat absorbing fin provided on the heat absorbing body to form a flow path connecting the first chamber and the second chamber, wherein the heat generating part is provided as a conductor and an upper portion of the heat absorbing part or a heating body positioned below, and a heating fin provided on the heating body to form a flow path connecting the third chamber and the fourth chamber, wherein the sterilizing unit is provided in the third chamber to generate the heat a lamp emitting light in a direction intersecting a straight line parallel to the flow path formed by the fins; and a first reflecting plate provided in the third chamber to reflect the light emitted from the lamp into the flow path formed by the heating fins.

The sterilizing unit may further include a second reflecting plate provided in the third chamber to allow the light emitted from the lamp to move in a direction in which the first reflecting plate is located.

The heat transfer unit is connected to the anode of the DC power source, the first conductor fixed to the heat absorbing body; a second conductor connected to the negative electrode of the DC power source and fixed to the heat absorbing body, the second conductor being spaced apart from the first conductor; a P-type semiconductor connecting the first conductor and the heat absorbing fin; and an N-type semiconductor connecting the second conductor and the heat absorbing fin.

The present invention provides a chamber communication passage for communicating the second chamber and the third chamber; a first opening and closing part provided to open and close the chamber communication passage; and a second opening/closing unit provided to open and close the bet outlet.

The present invention provides a mounting part provided inside the housing to form a space in which the heat absorbing part, the heat transfer part, and the heat generating part are sequentially stacked along the height direction of the housing; a first partition wall having one end fixed between the bet inlet and the outdoor air supply port and the other end fixed to the mounting unit to separate the first chamber and the fourth chamber; a second bulkhead having one end fixed between the outdoor air supply port and the bet outlet port, and the other end fixed to the mounting unit to separate the fourth chamber from the second chamber; a third bulkhead having one end fixed between the bet outlet and the outdoor air inlet, and the other end being fixed to the mounting unit to separate the second chamber and the third chamber; a fourth partition wall having one end fixed between the outdoor air inlet and the bet inlet, and the other end being fixed to the mounting unit to separate the third chamber from the first chamber; a chamber communication passage provided to pass through the third partition wall to communicate the second chamber and the third chamber; a first opening and closing part provided to open and close the chamber communication passage; and a second opening/closing unit provided to open and close the bet outlet.

The present invention is provided in the third chamber a first filtration unit for filtering air; and a first mounting hole provided to pass through one surface of the housing, connecting the third chamber and the outside of the housing, and forming an entrance/exit of the first filter unit.

The first filter unit a first filter positioned between the outdoor air inlet and the mounting unit; and a second filter having a filtration hole having a smaller diameter than that of the first filter to filter the air passing through the first filter.

The present invention is provided in the first chamber a second filtration unit for filtering air; and a second mounting hole provided to pass through one surface of the housing, connecting the first chamber and the outside of the housing, and forming an entrance/exit of the second filter unit.

The present invention can provide a total heat exchanger capable of ventilating indoor air and minimizing heat energy loss due to ventilation and a control method of the total heat exchanger.

In addition, the present invention can provide a total heat exchanger capable of sterilizing the air flowing into the room, a filter that filters the air flowing into the room, and a control method of the total heat exchanger.

In addition, the present invention may provide a total heat exchanger capable of purifying and sterilizing indoor air and a control method of the total heat exchanger.

1 shows an example of a total heat exchanger of the present invention.
2 shows an example of a heat exchange unit provided in the ventilation device.
Figure 3 shows the ventilation mode of the room air.
Figure 4 shows another embodiment of the total heat exchanger of the present invention.
5 shows a purification mode of indoor air.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The configuration or control method of the device to be described below is only for explaining the embodiment of the present invention and not for limiting the scope of the present invention, and the same reference numerals used throughout the specification indicate the same components .

1 shows an example of a total heat exchanger 100 according to the present invention, wherein the total heat exchanger 100 includes exhaust passages 11, C1, C2, 12 for indoor air and supply passages 13, C3, C4 for outdoor air. , 14), and a heat exchange unit 5 provided inside the housing to absorb heat energy from indoor air and supply it to outdoor air.

The housing may be provided in any shape as long as the discharge passages 11, C1, C2, and 12 and the supply passages 13, C3, C4, 14 can be formed. FIG. 1 shows the housings 1 and 2 A case in which the upper surface is provided as an open hexahedral body 1 and a cover 2 fixed to the body to form an upper surface of the hexahedron is illustrated as an example.

One surface of the housings 1 and 2 should be positioned in an indoor space, and the other surface of the housing should be positioned in an outdoor space. 1 illustrates a case in which right side surfaces of the housings 1 and 2 are located in an indoor space, and left surfaces of the housings 1 and 2 are located in an outdoor space.

In this case, on the right side of the body 1, a first inlet 11 for introducing indoor air into the housing and a second outlet 14 for supplying outdoor air to the indoor space are provided, and , on the left side of the body 1, a first outlet 12 for discharging the air introduced into the first inlet 11 to the outside, and a first outlet 12 for discharging outdoor air to the inside of the housings 1 and 2 A second inlet (13, outside air inlet) is provided.

A first chamber C1 , a second chamber C2 , a third chamber C3 , and a fourth chamber C4 are provided inside the housings 1 and 2 , which form separate spaces. The first chamber (C1) communicates with the bet inlet (11), the second chamber (C2) communicates with the bet outlet (12), and the third chamber (C3) communicates with the outside air inlet (13) In communication with, the fourth chamber (C4) may be provided to communicate with the outside air supply port (14).

A mounting portion for providing a space in which the heat exchange unit 5 is accommodated is provided inside the housings 1 and 2, and the mounting portion is provided in a hexahedral shape and includes two opposing surfaces among four surfaces excluding the upper and lower surfaces. One surface is provided to be connected to each of the first chamber (C1) and the second chamber (C2), and the other two surfaces facing each other are provided to be connected to each of the third chamber (C3) and the fourth chamber (C4) can be

The first chamber C1 and the second chamber C2 are disposed in a diagonal direction with respect to the mounting part, and the third chamber C3 and the fourth chamber C4 are disposed in a diagonal direction with respect to the mounting part. It may be provided to be disposed on. In this case, the first chamber (C1) and the fourth chamber (C4) are separated by a first partition wall (15), and the fourth chamber (C4) and the second chamber (C2) are separated by a second partition wall (C2) 16), the second chamber C2 and the third chamber C3 are separated by a third partition wall 17, and the third chamber C3 and the first chamber C1 are It may be provided so as to be divided by 4 partition walls (18).

That is, the first partition wall 15 may be fixed to the body 1 so that one end is positioned between the bet inlet 11 and the outdoor air supply port 14 , and the other end is positioned at a corner of the mounting part. One end of the second partition wall 16 may be fixed between the outdoor air supply port 14 and the bet outlet 12 , and the other end may be fixed to a corner of the mounting unit. The third partition wall 17 may have one end positioned between the bet outlet 12 and the outdoor air inlet 13 , and the other end may be fixed to the body 1 so as to be positioned at a corner of the mounting unit. In addition, the fourth partition wall 18 may be fixed to the body 1 so that one end is positioned between the outdoor air inlet 13 and the bet inlet 11 , and the other end is positioned at a corner of the mounting part.

The heat exchange unit 5 is provided in the mounting unit and includes a heat absorption unit 51 for absorbing heat from the air moving from the first chamber C1 to the second chamber C2, and is provided inside the mounting unit to provide the first chamber C2. It includes a heating part 54 for heating the air moving from the third chamber (C3) to the fourth chamber (C4), and a heat transfer part for transferring the thermal energy flowing into the heat absorbing part (51) to the heating part (54). can be provided to do so. The heat exchange unit 5 provided in the present invention may be provided as a module using the Peltier effect.

As shown in FIG. 2 , the heat absorbing part 51 , the heat transfer parts 55 , 57 , 58 , and the heat generating part 54 are disposed inside the mounting part in the height direction (Z-axis direction) of the housing. It may be provided in a sequentially stacked form.

The heat absorbing part 51 includes heat absorbing bodies 511 and 513 provided as conductors and heat absorbing fins fixed to the heat absorbing body to form a flow path connecting the first chamber C1 and the second chamber C2 (C2). 512, 514). The heat generating unit 54 is provided as a conductor and is provided on the heat generating body 541 and 543 positioned above or below the heat absorbing unit 511 and 513, and the third chamber C3 and the heat generating body. It may be provided to include heating fins 542 and 544 forming a flow path connecting the fourth chamber C4.

FIG. 2 shows the heat absorbing part 51 of the first heat absorbing body 511, the second heat absorbing body 513 positioned below the first heat absorbing body, and the second heat absorbing body from the bottom surface of the first heat absorbing body. An example of a case in which the first heat absorbing fin 512 (conductor) protruding toward is shown as In this case, the heat generating unit 54 includes a first heat generating body 541 positioned above the first heat absorbing body 511, and the first heat absorbing body 511 from the bottom surface of the first heat generating body 541. ) protruding toward the first heating fin 542 (conductor), the second heating body 543 positioned between the first heat absorbing body 511 and the second heat absorbing body 513, the second heating body 543 ) may be provided to include a second heat-generating fin 544 (conductor) protruding toward the second heat-absorbing body 513 from the bottom surface.

The heat transfer unit is connected to the positive pole of the DC power source 55 and is connected to the first conductor 551 fixed to the heat absorbing bodies 511 and 513 and the negative pole of the DC power source 55. A second conductor 553 fixed to the heat absorbing body 511 and 513, a P-type semiconductor 57 connecting the first conductor 551 to the heating fins 542 and 544, and the second conductor ( 553 may be provided to include an N-type semiconductor 58 that connects the heating fins 542 and 544 to each other. The first conductor 551 and the second conductor 553 should be provided to be spaced apart from each other.

As shown in FIG. 3 , the heat absorbing part is provided with a first heat absorbing body 511 and a second heat absorbing body 513 , and the heat generating part is provided with the first heat generating body 541 and a second heat generating body 543 . can be provided. In this case, the first conductor 551 is a first conductor of a first heat absorbing body fixed to the first heat absorbing body 511 and a first conductor of a second heat absorbing body fixed to the second heat absorbing body 513 . The second conductor 553 is a first heat absorbing body second conductor fixed to the first heat absorbing body 511, and a second heat absorbing body second conductor fixed to the second heat absorbing body 513. should be provided

In addition, the P-type semiconductor 57 includes a P-type first semiconductor connecting the first heat absorbing body first conductor and the first heat generating fin 542, and the second heat absorbing body first conductor and the second heat generating body It is provided to include a second P-type semiconductor connecting the fins 544, and the N-type semiconductor 58 is an N-type first semiconductor connecting the second conductor of the first heat absorbing body and the first heat generating fin 542. It should be provided so as to include a semiconductor, and an N-type second semiconductor connecting the second conductor of the second heat absorbing body and the second heat generating fin 544 .

A first fan 6 for discharging indoor air to the outside and a second fan 7 for moving outdoor air into the room are provided inside the housings 1 and 2 . The first fan 6 may be provided in any one of the first chamber C1 and the second chamber C2. In FIG. 3, the first fan 6 is provided in the second chamber C2. The case is shown as an example. The second fan 7 may be provided in any one of the third chamber C3 and the fourth chamber C4. FIG. 3 shows that the second fan 7 is located in the fourth chamber C4. It is shown as an example of a case provided in .

The total heat exchanger 100 of the present invention may further include a filtration unit 8, wherein the filtration unit 8 includes a first filtration unit 81 for filtering the air flowing into the room, and the air discharged to the outside. It may be provided to include at least one of the second filtering unit 83 for filtering the. 1 is a first filtration unit 81 provided in the third chamber (C3) to filter the air flowing in from the outside, and the first filtering unit (81) provided in the first chamber (C1) to be discharged from the inside of the third chamber (C3). A case in which all of the second filtration unit 83 for filtering air is illustrated as an example.

The first filter unit 81 includes a first filter 811 located between the outdoor air inlet 13 and the heat exchange unit 5 , and between the first filter 811 and the heat exchange unit 5 . It may be provided to include a second filter 813 positioned to filter the air that has passed through the first filter. It is preferable that the diameter of the filtration hole of the second filter 813 is smaller than the diameter of the filtration hole of the first filter 811 . This is to sequentially filter foreign substances of different sizes.

The first filter unit 81 is detachable from the third chamber C3 through the first mounting hole 21 provided in the cover 2, and the second filter unit 83 is connected to the cover ( It may be detachably provided in the first chamber C1 through the second mounting hole 23 provided in 2). The first mounting hole 21 penetrates the cover 2 and is provided to communicate with the third chamber C3 , and the second mounting hole 23 penetrates the cover 2 to communicate with the first chamber It may be provided to communicate with (C1). When the first mounting hole 21 and the second mounting hole 23 are provided, the user can insert each of the filtering parts 81 and 83 into the chamber C3, without removing the cover 2 from the body 1 . There is a separable effect in C1).

As shown in FIG. 3 , the total heat exchanger 100 of the present invention may further include a sterilizing unit 9 for sterilizing the air introduced into the housings 1 and 2 .

The sterilizing unit 9 includes at least one of a lamp for irradiating ultraviolet rays to the air introduced into the third chamber C3, and a lamp for irradiating ultraviolet rays to the air introduced into the fourth chamber C4. 3 illustrates a case in which the sterilization unit 9 is provided as a lamp 91 located in the third chamber C3 as an example. When the lamp 91 is provided in the third chamber C3, the lamp 91 performs a function of sterilizing not only the air introduced into the third chamber C3 but also the first filtering unit 81. can do.

Furthermore, the lamp 91 may be provided to supply ultraviolet rays to the inside of the flow path P2 formed by the heating fins 542 and 544 of the heat exchange unit. This is to sterilize all of the air, the first filtration unit 81 , and the heat exchange unit 5 through the lamp 91 .

The lamp 91 may be provided to be positioned on a straight line parallel to the flow path P2 formed by the heating fins (refer to FIG. 4), and intersect with a straight line parallel to the flow path P2 formed by the heating fins. It may be provided so as to emit light in a direction to (refer to FIG. 3). In the latter case, the third chamber C3 includes a first reflecting plate 93 that reflects the light emitted from the lamp 91 into the flow path P2 formed by the heating fin, and the lamp 91 . A second reflecting plate 95 for reflecting the light emitted from the first reflecting plate in a direction in which it is located may be further provided. The first reflective plate 93 includes the outdoor air inlet 13 and the fourth partition wall 18 to guide the air introduced into the outdoor air inlet 13 to the flow path P2 formed by the heating fin. may be provided to connect the

Although not shown in the drawings, at least one of the first chamber C1 and the second chamber C2 for cleaning the flow path P1 formed by the heat absorbing fin and the second filtering unit 83 . A lamp emitting ultraviolet rays may be further provided.

The sterilization unit 9 provided in the present invention may be provided in various forms as long as possible to implement the above-described functions. That is, the sterilization unit 9 may be provided to sterilize the air and the filter unit using ozone.

Meanwhile, the total heat exchanger 100 of the present invention may further include means for purifying indoor air. That is, as shown in FIG. 1, in the total heat exchanger 100 of the present invention, the chamber communication passage 19 connecting the second chamber C2 and the third chamber C3, and the chamber communication passage 19 A flow path switching unit 3 for controlling opening and closing and opening and closing of the bet outlet 12 may be further provided. 1 shows the chamber communication path 19 is provided to pass through the third partition wall 17, and the flow path switching part 3 is a first opening/closing part 31 for opening and closing the chamber communication path 19, and A case in which the second opening and closing part 33 provided to open and close the bet outlet 12 is illustrated as an example.

3, in the total heat exchanger 100 having the above structure, the first opening and closing part 31 closes the chamber communication passage 19, and the second opening and closing part 33 is the bet outlet ( 12) in the open state, the two fans 6 and 7 can be operated. In this case, the indoor air is discharged to the outdoors through the first chamber (C1), the flow path (P1) formed by the heat absorbing fin, and the second chamber (C2), and the outdoor air is directed to the third chamber (C3) and the heating fin. It will be supplied to the room through the flow path P2 formed by the , and the fourth chamber C4.

On the other hand, as shown in FIG. 5 , in the total heat exchanger 100 , the first opening and closing part 31 opens the chamber communication passage 19 , and the second opening and closing part 33 is the bet outlet 12 . In the closed state, the second fan 7 may be operated. In this case, the indoor air flows through the first chamber (C1), the flow path (P1) formed by the heat absorbing fin, the second chamber (C2), the chamber communication path (19), the third chamber (C3), and the flow path formed by the heating fins (P2), and through the fourth chamber (C4) will be supplied to the room. In this process, since the air will pass through the first filtration unit 81 provided in the third chamber C3, the total heat exchange unit 100 of the present invention can filter indoor air.

Hereinafter, an operation process of the total heat exchanger 100 having the above-described structure will be described with reference to FIGS. 3 and 5 .

3 illustrates a case in which the total heat exchanger 100 of the present invention operates in a ventilation mode, and FIG. 5 illustrates a case in which the total heat exchanger 100 of the present invention operates in a purification mode as an example.

In the ventilation mode of FIG. 3, the total heat exchanger 100 operates the two fans 6 and 7 in a state in which the chamber communication passage 19 is closed, but the bet outlet 12 is open. Then, the indoor air is discharged to the outdoors through the first chamber (C1), the flow path (P1) formed by the heat absorbing fin, and the second chamber (C2), and the outdoor air is discharged to the outside by the third chamber (C3) and the heating fin It will be supplied into the room through the formed flow path P2 and the fourth chamber C4. In this process, since the heat energy of the indoor air is transferred to the outdoor air through the heat exchange unit 5, the present invention can minimize the loss of heat energy due to ventilation.

In addition, since the above-described ventilation mode enables filtration and sterilization of outdoor air through the first filtration unit 81 and the sterilization unit 9 provided in the third chamber C3, the present invention provides for air supplied into the room. can improve the quality of

In the purification mode of FIG. 5, the total heat exchanger 100 operates the second fan 7 in a state in which the chamber communication passage 19 is opened, but the bet outlet 12 is closed. In this case, the indoor air flows through the first chamber (C1), the flow path (P1) formed by the heat absorbing fin, the second chamber (C2), the chamber communication path (19), the third chamber (C3), and the flow path formed by the heating fins After passing through (P2) and the fourth chamber (C4) sequentially, it will be supplied into the room. In the purification mode, since the indoor air passes through the first filtering unit 81 and the sterilizing unit 9 provided in the third chamber C3, the present invention can purify the indoor air without ventilation.

The present invention may be modified and implemented in various forms, but the scope of the rights is not limited to the above-described embodiments. Therefore, if the modified embodiment includes the elements of the claims of the present invention, it should be regarded as belonging to the scope of the present invention.

100: total heat exchanger 1: body 11: bet inlet
12: bet outlet 13: outside air inlet 14: outside air supply port
15: first bulkhead 16: second bulkhead 17: third bulkhead
18: fourth bulkhead C1: first chamber C2: second chamber
C3: third chamber C4: fourth chamber 19: chamber communication passage
2: cover 21: first mounting hole 23: second mounting hole
3: flow path switching part 31: first opening and closing part 33: second opening and closing part
5: heat exchange unit 51: heat absorbing unit 511: first heat absorbing body
512: first heat absorbing fin 513: second heat absorbing body 514: second heat absorbing fin
54: heating unit 541: first heating body 542: first heating fin
543: second heating body 544: second heating pin 55: power
551: first conductor 553: second conductor 57: p-type semiconductor
58: n-type semiconductor 6: first fan 7: second fan
8: filtering unit 81: first filtering unit 811: first filter
813: second filter 83: second filtration unit 9: sterilization unit
91: lamp 93: first reflector 95: second reflector

Claims (10)

a housing having a first chamber, a second chamber, a third chamber, and a fourth chamber forming spaces separated from each other;
a bet inlet for guiding indoor air to the first chamber;
a bet outlet for guiding the air inside the second chamber to the outside;
an outdoor air inlet for guiding outdoor air to the third chamber;
an outdoor air supply port for guiding the air inside the fourth chamber into the room;
a heat absorbing part provided inside the housing, connecting the first chamber and the second chamber, and absorbing heat from the air moving from the first chamber to the second chamber;
a heating unit provided inside the housing to connect the third chamber and the fourth chamber, and to heat the air moving from the third chamber to the fourth chamber;
a heat transfer unit transferring thermal energy flowing into the heat absorbing unit to the heat generating unit;
a mounting part provided inside the housing to form a space in which the heat absorbing part, the heat transfer part, and the heat generating part are sequentially stacked in a height direction of the housing;
a first bulkhead having one end fixed between the bet inlet and the outdoor air supply port and the other end fixed to the mounting unit to separate the first chamber and the fourth chamber;
a second bulkhead having one end fixed between the outdoor air supply port and the bet outlet port, and the other end fixed to the mounting unit to separate the fourth chamber from the second chamber;
a third partition wall having one end fixed between the bet outlet and the outdoor air inlet, and the other end being fixed to the mounting unit to separate the second chamber from the third chamber;
a fourth partition wall having one end fixed between the outdoor air inlet and the bet inlet, and the other end being fixed to the mounting unit to separate the third chamber from the first chamber;
a first fan provided in any one of the first chamber and the second chamber to move indoor air to the betting inlet;
a second fan provided in one of the third chamber and the fourth chamber to move outdoor air to the outdoor air inlet; and
It is provided in the third chamber, and includes a sterilizing unit for sterilizing air.
The heat absorbing part includes a heat absorbing body provided as a conductor and a heat absorbing fin provided on the heat absorbing body to form a flow path connecting the first chamber and the second chamber;
The heating part is provided as a conductor and includes a heating body positioned above or below the heat absorbing part, and a heating fin provided on the heating body to form a flow path connecting the third chamber and the fourth chamber;
The sterilizing unit includes a lamp emitting light in a direction crossing a straight line parallel to the flow path formed by the heating fins; a first reflecting plate for reflecting the light emitted from the lamp into the flow path formed by the heating fins; and a second reflecting plate that allows the light emitted from the lamp to move in the direction in which the first reflecting plate is located.
The first reflecting plate is provided to connect the outdoor air inlet and the fourth partition wall so as to guide the air introduced into the outdoor air inlet to the flow path formed by the heating fins. delete delete delete delete delete The method of claim 1,
The heat transfer unit
a first conductor connected to the anode of the DC power source and fixed to the heat absorbing body;
a second conductor connected to the negative electrode of the DC power source and fixed to the heat absorbing body, the second conductor being spaced apart from the first conductor;
a P-type semiconductor connecting the first conductor and the heat absorbing fin; and
and an N-type semiconductor connecting the second conductor and the heat absorbing fin. delete The method of claim 1,
a chamber communication passage provided to pass through the third partition wall to communicate the second chamber and the third chamber;
a first opening and closing part provided to open and close the chamber communication passage; and
The total heat exchanger further comprising; a second opening and closing part provided to open and close the bet outlet. The method of claim 1,
The total heat exchanger further comprising; a first filtration unit provided in the third chamber to filter air.

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