KR101875009B1 - Hybrid type dehumidifying device having thermoelement - Google Patents

Abstract

The present invention relates to a hybrid type dehumidifying device having a thermoelectric element. A casing having a first space portion and a second space portion which are partitioned through a partition wall on which a ventilation hole is formed; A chemical dehumidifier for removing moisture in the air introduced from the outside in a state where the chemical dehumidifier is installed in the first space; A sensor unit for sensing a humidity of air flowing into the first space unit; A thermoelectric element provided in the second space; A heat absorbing fin and a heat dissipating fin fixed to the thermoelectric element; And a sound pressure providing unit for forming a sound pressure in the first space and allowing the air heated by the radiating fins to contact the chemical dehumidifying agent through the air vent and then to be discharged to the outside of the casing.
In the hybrid type dehumidifier having the thermoelectric element of the present invention, the chemical dehumidifying part is fused with the thermoelectric element, and the chemical dehumidifying part is dried by using the heat radiated from the thermoelectric element. Therefore, the performance of the chemical dehumidifying part is maintained at the best, It is effective and economical. Therefore, it is possible to selectively use the chemical dehumidification unit alone or the simultaneous operation of the chemical dehumidification unit and the thermoelectric element, so that the operation efficiency is high and the noise is small.

Description

[0001] The present invention relates to a hybrid type dehumidifying device having a thermoelectric element,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dehumidifying device for removing moisture, and more particularly, to a hybrid dehumidifying device having a thermoelectric element configured to generate a synergy by being provided with a chemical dehumidifying agent and a thermoelectric element.

If the humidity in the room is too high, the probability of occurrence of fungi and bacteria as well as various kinds of insects increases, and clothes and bedding stored in closets or bedclothes become damp, laundry is not dried well, And many inconveniences.

Accordingly, various types of dehumidifying devices have been developed and used to maintain the humidity of the room at an optimal level. A general dehumidifying device is one that lowers the indoor temperature by using a freezing device. This dehumidifying device has a principle of bringing indoor air into contact with an evaporator so that moisture in the air condenses on the surface of the evaporator. However, the above-described refrigeration type dehumidifier has a disadvantage that the noise due to the compressor and the blowing fan is severe.

In addition to the above-described mechanical dehumidifier, chemical dehumidifiers, such as chemical dehumidifiers, are also frequently used. A moisture-removing agent such as calcium chloride or silica gel is put in an appropriate case to lower the humidity in the air. However, in the case of the moisture removing agent, moisture is coated on the surface as the moisture in the air is sucked in, so that the performance of the wetting agent deteriorates drastically and the life is short.

Patent Document 1: Korean Patent Laid-Open Publication No. 10-2014-0144891 (dehumidification and sterilization apparatus including cooling section, published on December 22, 2014) Patent Document 2: Korean Patent Registration No. 10-0801715 (humidity control device of air conditioner, registered on Jan. 30, 2008) Patent Document 3: Korean Registered Utility Model No. 20-0284424 (Sanitary shoe box, registered on July 23, 2002)

The present invention has been made in order to solve the above problem, and the chemical dehumidifying part is fused with the thermoelectric element, and the chemical dehumidifying part is dried by using the heat radiated from the thermoelectric element, so that the performance of the chemical dehumidifying part is maintained at the best, An object of the present invention is to provide a hybrid type dehumidifying device having an effective and economical thermoelectric element.

It is another object of the present invention to provide a hybrid type dehumidifying device having a thermoelectric element that can be used independently by a single operation of a chemical dehumidifying portion or by simultaneous operation of a chemical dehumidifying portion and a thermoelectric element, .

According to an aspect of the present invention, there is provided a hybrid type dehumidification apparatus having a thermoelectric device, comprising: a casing having a first space part and a second space part which are partitioned through a partition wall on which a ventilation hole is formed; A chemical dehumidifying part in contact with the air introduced from outside in a state of being installed in the first space part and removing moisture in the air; A sensor unit for sensing a humidity of air flowing into the first space unit; A thermoelectric element provided in the second space; A heat absorbing fin fixed to the heat absorbing portion of the thermoelectric element; A heat dissipation fin fixed to a heat generation side of the thermoelectric element; The air heated by the radiating fins in the second space part moves to the first space part through the ventilation hole so that the surface of the chemical dehumidifying agent is heated and dried and then discharged to the outside of the casing, And a negative pressure providing unit that moves to the fin side and contacts the heat absorbing fin to be cooled and condensed.

In addition, a shield plate separating the heat radiation fins from the heat absorbing fins and isolating the heat absorbing fins from the vent holes is provided between the heat radiation fins and the heat absorbing fins.

In addition, the ventilation holes formed in the partition walls are provided with a blocking door that operates when the thermoelectric elements are not driven to block the ventilation holes.

The partition wall is provided with an induction fan for guiding air in the first space to the second space and guiding the air to be in contact with the heat-absorbing fin.

The second space portion is located at a side of the first space portion. The second space portion is provided with a drain port. The partition wall is provided with a water supply portion And a condensed water hole is formed.

Further, the casing is characterized in that the first inner space is opened to the outside and an inspection port is opened and closed by the inspection door.

Further, the drain hole is provided with a drain pipe connecting the drain hole to the sewer pipe of the building.

According to another aspect of the present invention, there is provided a hybrid type dehumidification apparatus having a thermoelectric element, including: a casing having a first space portion and a second space portion which are partitioned by a partition wall; A chemical dehumidifying part in contact with the air introduced from the outside in a state of being installed in the first space part and removing moisture in the air; A sensor unit for sensing a humidity of air flowing into the first space unit; A thermoelectric element provided in the second space; A radiating fin located at a lower portion of the chemical dehumidifying portion and radiating heat generated during operation of the thermoelectric element to transmit heat to the chemical dehumidifying portion; And a heat absorbing fin fixed to the heat absorbing portion of the thermoelectric element.

In addition, a shield plate is provided between the heat-radiating fins and the heat-absorbing fins to block the heat-radiating fins and the heat-absorbing fins from each other.

The partition wall is provided with a communication pipe whose upper end opens to the first space portion and whose lower end extends to the lower portion of the shutoff plate, and the communication pipe is provided with opening / closing means for opening / closing a flow path inside the communication pipe .

Further, the opening / closing means comprises: A damper which is fixed to the rotary shaft and rotates in accordance with the rotation of the rotary shaft and blocks or opens the flow passage; And a damper motor for pivotally rotating the pivot shaft.

The bottom of the second space portion is provided with a drain port for discharging the condensed water condensed in contact with the heat absorbing fin to the outside of the casing.

In addition, a condensation induction fan is further provided at a lower portion of the heat-absorbing fin to draw air in the first space and bring it into contact with the heat-absorbing fin.

In addition, the lower part of the casing is further provided with a water reservoir for collecting and storing condensed water falling into the lower part of the casing through the drain port.

Further, the casing is provided with an inspection port which opens the first internal space to the outside and is opened and closed by the inspection door.

In the hybrid type dehumidifier having the thermoelectric element of the present invention, the chemical dehumidifying part is fused with the thermoelectric element, and the chemical dehumidifying part is dried by using the heat radiated from the thermoelectric element. Therefore, the performance of the chemical dehumidifying part is maintained at the best, And can be used effectively and economically. Moreover, by selectively operating the chemical dehumidifier alone or the simultaneous operation of the chemical dehumidifier and the thermoelectric element, the operation efficiency is high and the noise is small, so that it can be used freely.

1 is a partially cutaway perspective view of a hybrid type dehumidifier having a thermoelectric element according to an embodiment of the present invention.
Fig. 2 is a plan sectional view of the dehumidifier shown in Fig. 1. Fig.
3 is a cutaway perspective view showing another example of a hybrid type dehumidifier having a thermoelectric element according to an embodiment of the present invention.

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

Basically, the hybrid type dehumidifying device 11 according to the present embodiment is designed to have a synergistic effect by mounting the chemical dehumidifying part 23 and the thermoelectric element 33 in one casing. For example, the thermoelectric element itself serves to remove moisture, and at the same time, the chemical dehumidifying part is dried by using the heat generated by the heat generating part, thereby maintaining the performance of the chemical dehumidifying part at the maximum, thereby raising the overall dehumidification efficiency.

FIG. 1 is a partially cut-away perspective view of a hybrid type dehumidifier having a thermoelectric element according to an embodiment of the present invention, and FIG. 2 is a plan sectional view of the dehumidifier shown in FIG.

As shown, the hybrid type dehumidifying apparatus 11 according to the present embodiment includes a casing 13 having first and second space portions 13m and 13n defined by partition walls 13a, The sensor section 21, the control section 41, the chemical dehumidifying section 23 and the thermoelectric element 33 provided in the second space section 13n, .

First, the casing 13 takes the form of a closed box and has a first vent hole 13b and a second vent hole 13c for opening the second space portion 13n to the outside.

The first vent hole 13b is a passage through which the cooled air flows into the second space portion 13n due to the action of the induction fan 29 to be described later. The second vent hole 13c is a passage through which the outside air flows into the second space portion 13n.

The first space portion 13m and the second space portion 13n are partitioned by the partition 13a, but there is no difference in height. And a structure similar to that in which the partition 13a is provided in the middle of one box.

A third vent hole 13d and a condensed water hole 13e are formed in the partition wall 13a and an induction fan 29 is provided on the side of the third vent hole 13d. The third ventilation hole 13d serves as a passage for passing the air inside the second space 13n to the first space 13m when the exhaust fan 27 is operated.

Particularly, the shutoff door 31 is installed in the third ventilation opening 13d. The shutoff door 31 is operated by the control unit 41 to open / close the third vent hole 13d. The opening and closing principle of the blocking door 31 can be variously changed.

The condensed water hole 13e is a passage provided so that the condensed water condensed by the chemical dehumidifying part 23 can flow into the drain port 13f of the second space part 13n.

The volleyball number 13f is a passage for receiving the condensed water discharged from the first space portion 13m as well as the condensed water condensed in the heat absorbing fin 35 to the drain pipe 15. The drain pipe (15) can be connected to the sewerage of the building.

A heat absorbing fin 35 is fixed to the heat absorbing portion of the thermoelectric element 33 and a heat dissipating fin 37 is provided on the heat generating portion side. Respectively.

The heat absorbing fin 35 is cooled during operation of the thermoelectric element 33 and cools ambient air to condense moisture in the air. Further, the radiating fins (37) heat the surrounding air so that the heated air flows in the direction of the arrow c and allows the chemical dehumidifying part (23) to dry.

In particular, the heat-absorbing fins 35 and the heat-radiating fins 37 are completely isolated from each other by the blocking plate 39. In other words, the second space 13n is divided into two spaces by the blocking plate 39. That is, the space is defined by the space where the heat absorbing fin 35 is located and the space where the heat radiating fins 37 are located.

The shielding plate 39 is a plate-like member that supports the thermoelectric elements 33 and the rims thereof come into close contact with the wall surface of the second space portion 13n and the ceiling surface. A gap (not shown) through which condensed water can pass is formed at the lower end and bottom of the blocking plate 39.

The induction fan 29 is mounted on the partition 13a and is installed on the heat absorbing fin 35 side. Therefore, when the induction fan 29 operates, the air in the first space portion 13m enters the second space portion 13n and comes into contact with the heat absorbing fin 35. [ When the air touches the cooled heat absorbing fin 35, moisture in the air condenses and flows down to the bottom.

The filter 17 provided in the first space portion 13m serves to filter out impurities in the air flowing into the first space portion 13m. As the filter 17, a nonwoven fabric or a mesh member can be applied.

The membrane 19 is a film-shaped member that passes air and blocks moisture. The membrane 19 receives the air that has passed through the filter 17 as a first space 13m, and at the same time, .

The sensor unit 21 senses the humidity inside the first space 13m. The position, type, or number of sensors may vary as long as they can do this.

The control unit 41 generates a signal for driving the thermoelectric device 33 as well as the shutoff door 31, the induction fan 29 and the exhaust fan 27. The control unit 41 may be installed on the front surface of the casing 13 in the form of a control panel or a touch screen.

The chemical dehumidifier 23 is a cartridge made of a known chemical dehumidifying agent including silica gel, zeolite, or calcium chloride. The chemical dehumidifier 23 is disposed in a spaced apart relationship. The chemical dehumidifier 23 is appropriately disposed so as to make contact with the heated air passing from the second space 13n to the first space 13m as wide as possible.

Reference numeral 25 denotes a check door. The inspection door 25 is a cover for opening and closing the inspection port 13k, and opens the first space portion 13m to the outside. When the chemical dehumidifier 23 is replaced or the interior of the first space 13m is cleaned or repaired, the inspection door 25 is opened.

An exhaust port 13g is further formed in the casing 13. An exhaust box 13h in the form of a rectangular box is fixed to the outside of the casing 13. [ The exhaust chamber 13h is a passage for receiving the exhaust port 13g therein and has an exhaust fan 27 therein.

When the exhaust fan 27 is operated, negative pressure is generated inside the casing 13, and air inside the casing 13 is exhausted.

The dehumidifying device 11 having the above-described configuration can be operated in two modes. One is the single operation mode of the chemical dehumidification section 23 and the other is the simultaneous operation mode of the chemical dehumidification section 23 and the thermoelectric element 33. [ The single operation mode or the simultaneous operation mode is determined by the dehumidifying load.

In the single operation mode, only the exhaust fan 27 is operated in a state in which the induction fan 29 is stopped and the third ventilation opening 13d is shut off. When only the exhaust fan 27 is operated, a negative pressure is formed inside the first spatial part 13m and external air flows into the first spatial part 13m through the filter 17 and the membrane 19 And then dehumidified by the chemical dehumidifying part (23). The condensed water condensed in the chemical dehumidifying part (23) passes through the condensed water hole (13e) to the drain port (13f).

When it is desired to further dehumidify while going through the single operation mode, the third ventilation opening (13d) is opened and power is supplied to the thermoelectric element (33) while the induction fan (29) is operated. As the electric power is supplied to the thermoelectric element 33, the heat absorbing fin 35 is naturally cooled and the heat radiating fins 37 are heated.

In this operating environment, a part of the air that has flowed into the first space portion 13m passes through the induction fan 29 and comes into contact with the heat absorbing fin 35 and is cooled. As the air contacts the heat absorbing fin 35 and is cooled, the moisture inside is condensed. The condensed water flows through the bottom surface and drains to the drain port 13f.

Through the above process, the moisture-removed air returns to the indoor space along the direction of arrow a in a state where the humidity is low.

Part of the outside air flows into the second space 13n through the second vent 13c and then reaches the radiating fins 37 to heat the third vent 13d in a heated state. And reaches the chemical dehumidifying part (23). The heated air bombarding the chemical dehumidifying part 23 is heated and dried on the surface of the chemical dehumidifying part 23, and then discharged to the outside along arrow c.

As described above, the dehumidifying effect is further raised by the thermoelectric element 33, which performs its own dehumidifying function and drying function of the chemical dehumidifying part 23. [

3 is a cutaway perspective view showing another example of a hybrid type dehumidifier having a thermoelectric element according to an embodiment of the present invention.

The same reference numerals as those of the above-mentioned reference numerals indicate the same members having the same function.

The dehumidifying device 51 shown in Fig. 3 includes a casing 53 having a first space portion 53g and a second space portion 53h, and a chemical dehumidifying portion (not shown) provided in the first space portion 53g. A thermoelectric element 33 and a condensation induction fan 63 located in the second space 53h and a pedestal 67 for supporting the casing 53 and a condenser And includes a water tank 69.

The first and second space portions 53g and 53h are vertically positioned as a space partitioned by a horizontal partition 53d. If the dehumidifying device shown in Fig. 1 is a horizontal type, the dehumidifying device shown in Fig. 3 may be a vertical type.

In any case, the central portion of the partition 53d is opened, the heat generated in the second space portion 53h flows upward, and can be transmitted to the chemical dehumidifier 23.

1, a chemical dehumidifying part 23, a sensor part 21 and a control part 41 are provided in the first space part 53g. The upper part of the chemical dehumidifier 23 is provided with an inspection port 53a which is opened and closed by the inspection door 25. The fact that the chemical dehumidification part 23 can be replaced by opening the inspection door 25 is as described above same.

In addition, a grill-shaped upper vent hole 53b is provided on the left and right sides of the first space portion 53g. The upper vent hole 53b is a passage through which the air around the casing 53 passes. For example, the outside air flows into the first space portion 53g through the upper air vents 53b and is then discharged to the outside in a dried state in contact with the chemical dehumidifying portion 23. [

On the other hand, the thermoelectric element 33 is supported by a horizontal shield plate 39. The shielding plate 39 supports the thermoelectric element 33 and its edge portion is in close contact with the inner wall surface of the casing to isolate the upper space and the lower space of the shielding plate 39.

The heat generating portion of the thermoelectric element 33 is located on the upper side and the heat absorbing portion is located on the lower side. Accordingly, the heat radiating fins 37 are located at the upper portion of the thermoelectric element 33 and the heat absorbing fins 35 are located at the lower portion. The heat radiating fins 37 and the heat absorbing fins 35 are separated from each other by the blocking plate 39.

Reference numeral 59 denotes a communication pipe. The communication pipe 59 is a pipe that communicates the first space portion 53g and the second space portion 53h and more specifically the space of the first space portion 53g and the space below the shield plate 39. [

The communication pipe 59 serves to guide the air in the first space portion 53g downward when a negative pressure is formed in the lower space of the shutoff plate by the operation of the condensation induction fan 63. [

The communication pipe 59 is provided with opening / closing means for opening and closing the internal flow path 59a. The opening and closing means includes a rotating shaft 59c horizontally traversing the flow path 59a, a damper 59d fixed and rotating on the rotating shaft 59c, And a damper motor 59e that rotates the shaft 59c. Further, a stopper 59b is provided in the communication pipe 59. The stopper 59b is a protrusion for supporting the damper 59d positioned in a horizontal position.

The operation of the opening / closing apparatus having the above-described configuration is performed by the control unit 41 that controls the damper motor 59e. It is natural that the flow path 59a is shut off when the damper 59d is brought into close contact with the stopper 59b through the damper motor 59e and the flow path 59a is opened when the damper 59d is separated from the stopper 59b.

On the other hand, a condensation induction fan 63 is installed on the lower side of the heat absorbing fin 35. The condensation induction fan 63 is operated in a state where it is separated from the bottom surface 53e while being supported by the exhaust chamber 65 and sucks air in the internal space and discharges the air through the exhaust port 65 downward. The downwardly discharged air is once exhausted to the atmosphere after going down to the water container (69).

Further, a lower ventilation hole (53c) is formed on the right and left sides of the heat absorbing fin (35). The lower ventilation hole 53c is a passage through which the outside air directly enters the second space portion 53h. The air introduced through the lower ventilation opening (53c) is cooled with the heat absorbing fin (35). It is a matter of course that the moisture contained in the air condenses.

The bottom surface 53e is provided with a plurality of drain holes 53f. The drain port (53f) is a passage through which condensed water flows downward and surrounds the periphery of the exhaust port (65).

A lower portion of the casing (53) is provided with a pedestal (67) and a water container (69). The pedestal 67 supports the casing 53 to keep the casing 53 in a stable state. The shape and size of the pedestal can be changed at any time.

The water reservoir 69 communicates with the drain port 53f and collects and temporarily stores the condensed water flowing through the drain port 53f. The water tank 69 may be made of a light transmitting member so that the water level can be visually confirmed.

The operation of the dehumidifying device 51 having the above-described configuration is performed in the same manner as the operation of the dehumidifying device 11 described with reference to FIG.

First, when the dehumidifying load is not so high, the chemical dehumidifier 23 is operated alone. That is, the communication pipe 59 is shut off to stop the operation of the condensation induction fan 63 and the thermoelectric element. In this state, the outside air is dried in contact with the chemical dehumidifying part 23 through the upper air vents 53b. The condensed water generated at this time is collected in the water tank 69 through a separate passage (not shown).

If the user desires to increase the power of the dehumidifier in the above-described manner, the thermoelectric device 33 is operated, the communication pipe 59 is opened, and the condensation induction fan 63 is operated.

As the condensation induction fan 63 is operated, negative pressure is formed in the second space portion 53h, and the outside air enters the second space portion 53h and is cooled by the heat absorbing fin 35. [ As the air reaches the heat absorbing fin 35 and is thus cooled, the moisture contained in the air condenses and drains to the bottom surface 53e.

At the same time, a part of the air in the first space portion 53g is also downwardly guided through the communication pipe 59 to be condensed together with the heat absorbing fin 35.

In particular, the heat output from the radiating fins 37 flows upward to dry the chemical dehumidifying part 23, thereby maintaining the performance of the chemical dehumidifying part 23 at the best. As a result, by operating the thermoelectric element 33, the performance of the chemical dehumidifier 23 is improved, and the heat absorption fin 35 is dehumidified, thereby increasing the overall dehumidification efficiency.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

11: dehumidifying device 13: casing 13a: partition wall
13b: first vent hole 13c: second vent hole 13d: third vent hole
13e: condensed water hole 13f: drain hole 13g: exhaust port
13h: exhaust passage 13k: check port 13m: first space portion
13n: second space part 15: drain pipe 17: filter
19: Membrane membrane 21: Sensor part 23: Chemical dehumidifying part
25: Inspection door 27: Exhaust fan 29: Induction fan
31: blocking door 33: thermoelectric element 35: heat absorbing pin
37: radiator pin 39: blocking plate 41:
51: Dehumidifying device 53: Casing 53a: Check port
53b: upper ventilation hole 53c: lower ventilation hole 53d: partition wall
53e: bottom surface 53f: drain hole 53g: first space portion
53h: second space portion 59: communication pipe 59a:
59b: Stopper 59c: Pivot shaft 59d: Damper
59e: Damper motor 63: Condensation induction fan 65:
67: Base 69: Bucket

Claims (11)

A casing having a first space portion and a second space portion which are partitioned through a partition wall having a ventilation hole;
A chemical dehumidifying part in contact with the air introduced from outside in a state of being installed in the first space part and removing moisture in the air;
A sensor unit for sensing a humidity of air flowing into the first space unit;
A thermoelectric element provided in the second space;
A heat absorbing fin fixed to the heat absorbing portion of the thermoelectric element;
A heat dissipation fin fixed to a heat generation side of the thermoelectric element;
The air heated by the radiating fins in the second space part moves to the first space part through the ventilation hole so that the surface of the chemical dehumidifying agent is heated and dried and then discharged to the outside of the casing, And a negative pressure providing unit that moves to the pin side and makes contact with the heat absorbing fin to be cooled and condensed. The method according to claim 1,
And a shield plate separating the heat dissipating fin from the heat absorbing fin and isolating the heat dissipating fin from the vent hole is provided between the heat dissipating fin and the heat absorbing fin. 3. The method of claim 2,
Wherein the vent hole formed in the partition wall is provided with a shutoff door that operates when the thermoelectric element is not driven to shut off the ventilation hole. 3. The method of claim 2,
Wherein the partition wall is provided with an induction fan for guiding air in the first space to the second space and guiding the air into contact with the heat-absorbing fin. The method according to claim 1,
The second space portion is located on the side of the first space portion, the drain portion is provided on the bottom of the second space portion,
Wherein the partition wall is provided with a condensed water hole formed in the chemical dehumidifying portion so as to allow moisture that has fallen to the bottom to pass therethrough and flow to the drain hole. A casing having a first space portion and a second space portion vertically partitioned by the partition wall;
A chemical dehumidifying part in contact with the air introduced from the outside in a state of being installed in the first space part and removing moisture in the air;
A sensor unit for sensing a humidity of air flowing into the first space unit;
A thermoelectric element provided in the second space;
A radiating fin located at a lower portion of the chemical dehumidifying portion and radiating heat generated during operation of the thermoelectric element to transmit heat to the chemical dehumidifying portion;
And a heat absorbing fin fixed to the heat absorbing portion of the thermoelectric element. The method according to claim 6,
And a shield plate interposed between the heat radiating fins and the heat absorbing fins to shield the heat radiating fins and the heat absorbing fins from each other. 8. The method of claim 7,
Wherein the partition wall is provided with a communication pipe whose upper end is open to the first space portion and whose lower end portion extends to the lower portion of the shutoff plate,
Wherein the communication pipe is provided with opening / closing means for opening / closing a flow path inside the communication pipe. 9. The method of claim 8,
The opening / closing means comprises:
A pivot shaft which is rotatable about an axis across the flow path of the communication pipe,
A damper fixed to the pivot shaft and pivoted according to the rotation of the pivot shaft to block or open the flow path,
And a damper motor provided on the outside of the communication pipe and rotating the pivot shaft. The method according to claim 6,
And a drain for discharging condensed water condensed in contact with the heat absorbing fin to the outside of the casing is provided at the bottom of the second space part. 9. The method of claim 8,
And a condensation induction fan for drawing air in the first space and bringing the air into contact with the heat-absorbing fin is formed in the lower part of the heat-absorbing fin.

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