KR20220056152A - Electric heater including a cooling and heating device equipped with a Peltier element - Google Patents

Abstract

The present invention relates to an electric heater including a cooling and heating device equipped with a Peltier element and, more specifically, to an electric heater including a cooling and heating device equipped with a Peltier element, which is mounted on an electric heater to increase the cooling or heating efficiency of the electric heater and improve heat exchange efficiency to increase cooling efficiency or heating efficiency. To achieve the objective, according to the present invention, the cooling and heating device can improve the heat exchange efficiency of an electric heater by forcibly circulating a refrigerant by a pump. The cooling and heating device includes: an evaporator having one or more heat exchange plates installed and separated from each other in a prescribed direction and a tube penetrating the heat exchange plates, wherein an inlet is formed on one end of the tube and an outlet is formed on the other end of the tube; a refrigerant storage box wherein one side thereof communicates with the outlet, the other side thereof is connected to one side of the pump, and the refrigerant is circulated to be collected therein; a cooling plate attached to the lower surface of the refrigerant storage box, and evenly transferring cold air or hot air received through the refrigerant to the lower surface; a Peltier element coming in contact with the lower surface of the cooling plate, and providing heat absorption or heat generation when power is applied; a heat radiation plate arranged adjacent to the bottom surface of the Peltier element, and having one or more heat radiation fins to radiate heat generated when the Peltier element operates to the outside; and a cooling fan providing a wind to cool heat discharged from the heat radiation plate.

Description

Electric heater including a cooling and heating device equipped with a Peltier element}

The present invention relates to an electric heater including a cooling and heating device equipped with a Peltier element, and more particularly, to further increase the cooling or heating efficiency of the electric heater and to improve heat exchange efficiency, which is mounted on the electric heater to increase cooling efficiency or heating efficiency It relates to an electric heater including a cooling and heating device equipped with a Peltier element.

In general, a cooling device is a device having a cooling function, and is widely used in air conditioners, water coolers, or ice machines in our daily life, and is used to cool various facilities and parts in various industrial fields.

Such a cooling device has mainly used a cooling method in which an object is cooled by compressing a gas such as ammonia or a fluorinated chlorinated hydrocarbon-based (Freon) refrigerant and forcibly circulating it. Such a conventional cooling device has a large volume, so it is difficult to manufacture it in a compact size, and it is difficult to accurately control it, and there are disadvantages in that unnecessary noise and vibration are generated during operation.

In order to solve the problems of the conventional cooling device and to increase the cooling efficiency, a Peltier device has been widely used in recent years.

The Peltier device is a device that uses a phenomenon in which heat is absorbed on one side and heat is generated on the other side when a DC voltage is applied to a circuit after bonding both ends of two different conductors.

However, the Peltier element has a problem in that the element is destroyed at high temperature and the temperature of the heating part is not well controlled, and the cooling efficiency is lowered as the temperature of the heating part is conducted to the cooling part. are being carried out

In addition, there is a problem in that energy efficiency is not high because excessive electric energy is consumed, such as an increase in the amount of electric energy used to increase cooling efficiency.

Republic of Korea Patent Registration No. 10-2027966 (2019.09.26.)

The present invention has been devised to solve the problems of the prior art and was devised in consideration of this, and after first forming cold or warm air using a Peltier element, the refrigerant is transferred to the evaporator, and in the evaporator, heat exchanges with air introduced from the outside An object of the present invention is to provide a cooling/heating device capable of improving heat exchange efficiency of an evaporator by supplying hot or cold air to a room.

In addition, one or more heat sinks are provided to dissipate heat generated from the Peltier element to the outside, and the air inside the heat sink can be efficiently discharged by cooling fans that move the air in different directions, so that heat exchange efficiency and It aims to improve performance.

Objects of the present invention are not limited to the objects mentioned above, and other objects not mentioned will be clearly understood by those of ordinary skill in the art from the following description.

In order to achieve the above object, in the cooling/heating device capable of improving the heat exchange efficiency of an electric heater by forcibly circulating a refrigerant by a pump according to the present invention, one or more heat exchange plates are installed to be spaced apart from each other in a predetermined direction, A penetrating tube is disposed, an inlet is formed at one end of the tube, and an evaporator having an outlet at the other end is in communication with the outlet, and the other end is connected to one side of the pump, and the refrigerant is circulated therein. It is attached to the refrigerant storage box and the lower surface of the refrigerant storage box, and is in contact with the cooling plate that evenly transmits the cold air or warmth received through the refrigerant to the lower surface and the lower surface of the cooling plate, and provides heat absorption or heat when power is applied However, at least one Peltier element divided into at least one and disposed adjacent to the bottom surface of the Peltier element, in order to dissipate heat generated during operation of the Peltier element to the outside, one or more heat sink fins are provided in the heat sink and the heat sink It characterized in that it includes a cooling fan that provides wind to cool the discharged heat.

In addition, the refrigerant storage box is provided with a partition having one end fixedly arranged on the wall in a zigzag form, and a flow path through which the refrigerant can flow is formed.

In addition, the cooling fans are provided as a pair on both sides of the heat sink, a first cooling fan forcibly introducing air in an inner direction of the heat sink, and disposed parallel to the first cooling fan in an outer direction of the heat sink It is characterized in that it is provided as a second cooling fan for forcibly discharging air.

In addition, the cooling fan is arranged so that the directions of the air introduced by the first cooling fan and the air discharged by the second cooling fan flow in opposite directions to each other, so that the air is vortexed inside the heat sink. a cooling/heating device, characterized in that it can improve cooling efficiency by reducing and facilitating the flow of flowing air;

According to the present invention, in an electric heater comprising a heating element for exchanging heat between outdoor air and indoor air and a cooling/heating device capable of forcibly circulating a refrigerant by means of a pump to improve heat exchange efficiency of the electric heater, the outdoor air inlet provided on one side and An exhaust port installed to be spaced apart from the outdoor air inlet is formed, and a main body provided with an air supply port provided on the other side and a ventilation port formed to be spaced apart from the air supply port is formed inside the main body, and one end communicates with the outdoor air inlet and , The other end communicates with the air supply port and is formed inside the main body and an outdoor air inlet passage provided with a passage through which outdoor air is supplied to the room, intersecting the outdoor air inlet passage, one end communicating with the ventilation port, and the other end being An exhaust exhaust passage communicating with the exhaust port and having a passage through which indoor air is discharged to the outside, and a heat transfer element installed in a region where the outdoor air inlet passage and the exhaust exhaust passage intersect within the body, adjacent to the heat transfer element and a cooling/heating device disposed to exchange heat with the outdoor air introduced through the outdoor air inlet.

In addition, the main body connects the outdoor air inlet and the exhaust port, and when the indoor air is discharged through the exhaust discharge path, a part of the discharged air enters the outdoor air inlet through the outdoor air inlet again. A bypass path is further provided to circulate air.

In order to improve the heat exchange efficiency of the evaporator according to the present invention, there is an effect that can improve energy saving and cooling efficiency by providing the refrigerant cooled further by using a Peltier element to the evaporator in addition to the existing water-cooled cooling.

In addition, the cooling/heating device is provided to be attached to one side of the existing heater, thereby further increasing cooling or heating efficiency of the heater, thereby improving heat exchange efficiency.

In addition, the heat generated in the Peltier element for indoor cooling can be quickly cooled by the cooling fan and discharged, and there is an effect of providing cool air to the room in a short time.

1 is a perspective view showing the configuration of a cooling and heating device according to the present invention.
2 is a perspective view showing the movement direction of air by the cooling fan according to the present invention.
3 is a cross-sectional view of the cooling/heating device according to the present invention as viewed from the side.
4 is a cross-sectional view of a cooling and heating device equipped with a Peltier device according to another embodiment of the present invention as viewed from the side.
5 is a plan view showing the appearance of the electric heater and the main body including the cooling and heating device according to the present invention.
6 is a cross-sectional view showing a detailed configuration of the electric heater according to the present invention.
7 is a perspective view showing the shape and air inflow direction of the heating element according to the present invention.

Advantages and features of the present invention, and a method of achieving them, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims.

With reference to the accompanying drawings will be described in detail for the implementation of the present invention. Irrespective of the drawings, like reference numbers refer to like elements, and "and/or" includes each and every combination of one or more of the recited items.

Although the first, second, etc. are used to describe various elements, these elements are not limited by these terms, of course. These terms are only used to distinguish one component from another. Accordingly, it goes without saying that the first component mentioned below may be the second component within the spirit of the present invention.

The terminology used herein is for the purpose of describing the embodiments, and is not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other components in addition to the stated components.

Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used with the meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless clearly defined in particular.

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

1 is a perspective view showing the configuration of a cooling/heating device according to the present invention, FIG. 2 is a perspective view showing the movement direction of air by a cooling fan according to the present invention, and FIG. 3 is a cross-sectional view of the cooling/heating device according to the present invention from the side .

1 to 3, in the cooling/heating device 100 capable of improving the heat exchange efficiency of the electric heater by forcibly circulating the refrigerant by the pump 70, one or more heat exchange plates 12 are arranged in a certain direction. An evaporator 10 that is installed to be spaced apart from each other and has a tube 14 penetrating the heat exchange plate 12 is disposed, an inlet 16 is formed at one end of the tube 14, and an outlet 18 is formed at the other end of the tube 14 ) and one side are in communication with the outlet 18, the other side is connected to one side of the pump 70, and the refrigerant storage box 20 and the refrigerant storage box 20 in which the refrigerant is circulated and collected in the lower surface It is attached, and is in contact with the cooling plate 30 and the lower surface of the cooling plate 30, which evenly transmits the cold air or warmth received through the refrigerant to the lower surface, and provides heat absorption or heat when power is applied, but at least one or more The Peltier element 40 and the Peltier element 40 adjacent to the bottom surface of the Peltier element 40 are provided with one or more heat sink fins 52 and the heat sink 50 and the heat sink 50 so that the heat discharged from the heat sink 50 can be cooled. and a cooling fan 60 that provides wind.

In general, the refrigerant acts as a coolant and is a material that transfers heat and consists of any one selected as a working fluid such as liquid or gas such as ammonia, chlorofluorocarbon, hydrofluorocarbon, hydrofluoroolefin, carbon dioxide, and water. It is preferable to do

First, the evaporator 10 is a device for performing heat exchange with air introduced from the outside, and heat exchange is performed by bringing in contact with the surface of the heat exchange plate 12 provided at least one surface and external air.

For example, the evaporator 10 may be provided as a plate heat exchanger so as to have a circulating flow of the refrigerant.

The tube 14 passing through the heat exchange plate 12 may be arranged by increasing the area in contact with the heat exchange plate 12 to have a continuous moving flow through a zigzag arrangement to achieve more heat exchange. .

At this time, an inlet 16 through which the refrigerant flows through the tube 14 is formed at one end of the evaporator 10, and an outlet 18 is formed at the other end so that the heat exchanged refrigerant can be discharged.

On the other hand, the pump 70 is provided to continuously circulate the refrigerant, and the pump 70 is installed on the inlet 16 side or is formed on the outlet 18 side to continuously circulate the refrigerant. It will be applicable wherever it is placed so that it can be used.

Next, a refrigerant storage box 20 in which one side is communicated with the outlet 18 and the other side is connected to one side of the pump 70, the refrigerant is circulated and collected therein is provided.

For example, the refrigerant storage box 20 is provided with a predetermined space to collect the heat-exchanged refrigerant and to cool or heat it again, and any shape capable of storing the refrigerant is possible.

Preferably, the refrigerant storage box 20 is provided in a rectangular shape, one end is provided with a partition 22 fixedly arranged in a zigzag form on the wall, and a flow path through which the refrigerant can flow is formed. .

This is configured so that the time that the refrigerant stays in the refrigerant storage box 20 in the process of being cooled by the Peltier element 40 to be described later can be maintained for a long time, the time that the refrigerant is cooled by the Peltier element 40 can be made as long as possible.

In addition, it goes without saying that a pipe (not shown) provided in a zigzag shape is provided along the partition 22 to allow the refrigerant to flow inside the pipe.

Next, a cooling plate 30 that is closely attached to the lower surface of the refrigerant storage box 20 and evenly transmits cold air or warmth received through the refrigerant to the lower surface is provided.

The cooling plate 30 is preferably provided with a metal thin plate made of an aluminum material provided to maintain high thermal conductivity.

Accordingly, the cooling plate 30 is provided to transmit a constant temperature to the entire surface.

On the other hand, the cooling plate 30 is in contact with the lower surface, the Peltier element 40 that provides heat absorption or heat when power is applied is attached.

The Peltier element 40 is a device that uses a phenomenon in which both ends of two different conductors are joined, and then, when a DC voltage is applied to the circuit, heat is absorbed on one side and heat is generated on the other side. To cool the refrigerant In order to do this, the Peltier element 40 in contact with the lower surface of the vital cooling plate 30 undergoes an endothermic reaction to absorb the heat of the refrigerant.

On the contrary, in order to heat the refrigerant, the Peltier element 40 in contact with the lower surface of the live cooling plate 30 is provided to provide heat to the refrigerant through an exothermic reaction.

In other words, if the Peltier element 40 is used, it is a great advantage to be provided to perform cooling and heating through one device.

For example, the Peltier element 40 may be attached to the lower surface of the cooling plate 30 in a plate shape, and it is preferable that at least one Peltier element 40 is attached thereto.

Hereinafter, in the present invention, a process for cooling the refrigerant will be described.

A heat sink 50 is provided which is disposed adjacent to the lower surface of the Peltier element 40, and is provided with one or more heat radiation fins 52 in order to radiate heat generated during operation of the Peltier element 40 to the outside. .

At this time, the heat sink 50 serves to radiate heat generated by the conductors in which the exothermic reaction occurs among the different conductors of the Peltier element 50 to the outside.

As an example, the heat sink 50 is provided as a pair disposed side by side side by side, in order to more efficiently dissipate the heat generated by the Peltier device 40, it is arranged adjacent to one or more rows at a predetermined interval Can be provided there is.

Accordingly, one or more of the heat dissipation fins 52 provided in the heat dissipation plate 50 can efficiently dissipate the heat generated in the Peltier device 40 by contacting the air, and an aluminum material so that heat transfer can be performed quickly. It is preferable to configure as

On the other hand, the heat sink 50 is mounted by a mounting frame 54 coupled to the lower portion of the cooling plate 30, may be disposed under the cooling plate 30, the Peltier element 50 and It is provided to be arranged adjacently.

Next, a cooling fan 60 that provides wind to more efficiently cool the heat generated by the heat sink 50 is provided.

The cooling fan 60 may improve cooling efficiency by rapidly and forcibly introducing or discharging the flow of wind in an air-cooled manner.

At this time, the cooling fan 60 is provided as a pair on both sides of the heat sink 50, a first cooling fan 60a forcibly introducing air in the inner direction of the heat sink 50, and the first cooling and a second cooling fan 60b disposed parallel to the fan 60a and forcibly discharging air to the outside of the heat sink 50 .

That is, the cooling fan 60 is arranged such that the air introduced by the first cooling fan 60a and the air discharged by the second cooling fan 60b flow in opposite directions to each other, It is provided to reduce the vortex of air inside the heat sink 50 and to smoothly discharge the flow of flowing air to improve cooling efficiency.

In other words, as shown in FIG. 2 , air is introduced in the air inflow direction (a) toward the heat sink 50 by the first cooling fan 60a, and the second cooling fan 60b is the heat sink 50 . It is shown that the air is discharged in the direction (b) in which the air is discharged toward the outside in (50).

In the flow of air as described above, external fresh air flows toward the heat sink 50 in the a direction and heat exchange occurs while contacting the heat sink 52, while in the heat sink 50 by the b direction. By discharging the formed high-temperature heat to the outside, it is possible to prevent a phenomenon in which air is stagnated and vortexed inside the heat sink 50 .

Accordingly, the arrangement and configuration of the cooling fan 60 as described above can further improve the cooling efficiency of the heat sink.

Next, FIG. 4 is a cross-sectional view of a cooling and heating apparatus according to another embodiment of the present invention as viewed from the side.

As shown in FIG. 4 , the cooling plate 30 is provided in the cooling/heating device 100 , and may be divided into at least one or more.

In other words, it is provided to increase the surface area of the cooling plate 30, and is provided to further improve heat exchange efficiency.

Preferably, each of the three cooling plates 30 is provided, and a Peltier element 40 provided in a plate-like shape is provided at the lower portion of the cooling plate 30 .

For example, the Peltier element 40 may also be provided with at least one divided Peltier element 40 so as to correspond to each of the cooling plates provided separately.

More preferably, the first Peltier element 40a may be provided with only one in the center, the second Peltier element 40b is provided with two in the center, and the third Peltier element 40c is the first Peltier element ( As in 40a), only one may be provided in the center, but it may be arranged in any configuration capable of improving heat exchange efficiency.

Next, FIG. 5 is a plan view showing the appearance of a heater and a main body including a cooling/heating device according to the present invention, FIG. 6 is a cross-sectional view showing a detailed configuration of the electric heater according to the present invention, and FIG. 7 is a heating element according to the present invention It is a perspective view showing the shape and air inflow direction of

5 to 7, the cooling/heating device 100 capable of improving the heat exchange efficiency of the heater by forcibly circulating the refrigerant by the heat transfer element 220 and the pump 70 for exchanging heat between outdoor air and indoor air. ), the heater 200 includes a main body 210 , an outdoor air inlet 232 , an exhaust outlet 262 , an electric heating element 220 , and a cooling/heating device 100 .

First, the main body 210 is formed with an outdoor air inlet 230 provided on one side and an exhaust port 240 installed to be spaced apart from the outdoor air inlet 230, and an air supply port 250 and the air supply port provided on the other side ( A ventilation hole 260 formed to be spaced apart from the 250 is provided.

At this time, the main body 210 connects the outdoor air inlet 230 and the exhaust port 240, and when the air in the room is discharged through the exhaust discharge path 262, a part of the discharged air is returned to the A bypass path 270 may be further provided to circulate air by entering the outdoor air inlet 232 through the outdoor air inlet 230 .

The bypass path 270 may further include a shut-off valve 272 so that the air in the room can be introduced or blocked back into the room through the outdoor air inlet 232 .

Of course, the shut-off valve 272 may be additionally provided on one side of the outdoor air inlet and the exhaust port to perform an opening/closing operation.

In addition, it goes without saying that a separate filter member (not shown) may be further provided in the bypass path 270 to purify the indoor polluted air.

In addition, an air supply fan 252 may be provided to forcibly introduce fresh outdoor air into the room, and an exhaust fan 242 is additionally installed to discharge indoor polluted air to the outside.

In this case, it goes without saying that the air supply fan 252 and the exhaust fan 242 may be installed on one side of the outdoor air inlet 230 or at one side of the ventilation port 260 .

Next, outdoor air is formed inside the main body 210, one end communicates with the outdoor air inlet 230, the other end communicates with the air supply port 250, and a passage through which outdoor air is supplied into the room is provided. An inflow path 232 is provided, formed inside the main body 210 , intersecting the outdoor air inflow path 232 , and one end communicates with the ventilation port 260 , and the other end communicates with the exhaust port 250 . and an exhaust discharge path 262 through which a passage through which indoor air is discharged to the outside is provided.

On the other hand, in the region where the outdoor air inlet 232 and the exhaust outlet 262 intersect within the main body 210 , the heating element 220 is disposed.

7 , the heat transfer element 220 includes an outdoor air passage spacer 222 , an exhaust passage spacer 224 , and a liner 226 .

The outdoor air passage spacer 222 and the exhaust passage spacer 224 corrugated to have a wave shape are alternately stacked, and between the outdoor air passage spacer 222 and the exhaust passage spacer 224 . A plate-shaped liner 226 is attached.

Accordingly, the liner 226 serves as a heat exchange medium between the air passing through the upper and lower portions thereof, and the outdoor air passage spacer 222 and the exhaust passage spacer 224 form a passage through which air passes. .

At this time, the direction of each flow path is at right angles to each other, so that the outside air flow spacer 222 forms the outside air inflow path 232 so that outdoor air flows into the room, and the exhaust flow path spacer 224 forms the indoor air The exhaust discharge path 262 is formed so that the gas is discharged to the outside.

For example, the outdoor air passage spacer 222 and the exhaust passage spacer 224 and the liner 226 are all made of aluminum, and the height of the outdoor air passage spacer 222 and the exhaust passage spacer 224 is 2 to 6 mm. It is preferable to have a thickness of 0.1 to 1.5 mm.

In this case, the thickness of the liner preferably has a thickness of 0.1 to 1.5 mm.

As another example, in order to use the heat transfer element 220 more efficiently in summer, the outdoor air passage spacer 222 and the exhaust passage spacer 224 are made of aluminum, and the liner 226 is made of a heat transfer film. can be provided.

At this time, the height of the outdoor air passage spacer 222 and the exhaust passage spacer 224 is in the range of 2 to 6 mm, and the thickness is preferably in the range of 0.1 to 1.5 mm, and the liner 226 provided with a heat transfer film. ) preferably has a thickness of 0.5 to 2.0 mm.

Meanwhile, in winter, the outdoor air passage spacer 222 and the exhaust passage spacer 224 may be provided with heat transfer film, and the liner 226 may be formed of aluminum cardboard.

At this time, the height of the outdoor air passage spacer 222 and the exhaust passage spacer 224 is in the range of 0.5 to 2.0 mm, and the thickness is preferably in the range of 0.1 to 1.5 mm, and the liner ( 226) preferably has a thickness of 0.5 to 2.0 mm.

Next, a cooling/heating device 100 that is disposed adjacent to the heat transfer element 220 and heat exchanges with outdoor air introduced through the outdoor air inlet 232 is provided.

The cooling and heating device 100 is configured with the contents shown in FIGS. 1 to 3 , and is provided on one side of the electric heater 200 .

More specifically, the heat sink 50 and the cooling fan 60 among the components of the cooling and heating device 100 are disposed on one side outside the heat exchanger 200, and the configuration of the evaporator 10 or the evaporator ( 10) and the configuration of the cooling plate 30 may be disposed inside the outside air inlet 232 to increase the energy efficiency of the heat transfer element 220 .

For example, the cooling/heating device 100 is provided inside the outdoor air inlet 232 to perform primary heat exchange with warm outdoor air flowing in from the outside, and then transfers the cold air to the heat transfer element 220, and then As heat exchange is performed secondarily in the heat transfer element 220, it is possible to save energy and improve energy efficiency.

In other words, the cooling/heating device 100 is provided on one side of the electric heater 200 to further increase the cooling or heating efficiency of the electric heater 200 and to improve the heat exchange efficiency to increase the cooling or heating efficiency. 200) is to be mounted on one side.

That is, the cooling/heating device 100 may be additionally mounted to any heat exchanger performing heat exchange, thereby improving the efficiency of the heat exchanger.

Although embodiments of the present invention have been described with reference to the above and the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can practice the present invention in other specific forms without changing its technical spirit or essential features. You can understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

100: cold and hot device
10: evaporator
12: heat exchanger plate
14: tube
16: inlet
18: outlet
20: Refrigerant storage box
22: partition
30: cooling plate
40: Peltier element
40a: first Peltier element
40b: second Peltier element
40c: the third Peltier element
50: heat sink
52: heat dissipation fin
54: mounting frame
60: cooling fan
60a: first cooling fan
60b: second cooling fan
70: pump
200: electric heater
210: body
220: electric heating element
222: outside air flow spacer
224: exhaust passage spacer
226: liner
230: outdoor air inlet
232: outside air inlet
240: exhaust port
242: exhaust fan
250: air inlet
252: air supply fan
260: ventilation hole
262: exhaust exhaust path
270: to bypass
272: shut-off valve
a: Air inlet direction towards the heat sink
b: Air discharge direction toward the outside of the heat sink

Claims (5)

In the electric heater comprising a cooling and heating device equipped with a Peltier element capable of improving heat exchange efficiency of the electric heater by forcibly circulating a refrigerant by a heat transfer element and a pump for exchanging heat between outdoor air and indoor air,
a main body having an outdoor air inlet provided on one side and an exhaust port installed to be spaced apart from the outdoor air inlet, and an air inlet provided on the other side and a ventilation port formed to be spaced apart from the air inlet;
an outdoor air inlet formed inside the body, one end communicating with the outdoor air inlet, the other end communicating with the air supply port, and having a passage through which outdoor air is supplied to the room;
an exhaust exhaust passage formed inside the body, intersecting the outdoor air inlet passage, one end communicating with the ventilation port, the other end communicating with the exhaust port, and having a passage through which indoor air is discharged to the outside;
a heating element installed in a region where the outdoor air inlet and the exhaust outlet intersect within the body;
Including a cooling and heating device equipped with a Peltier device, characterized in that it comprises a; disposed adjacent to the heating element, heat exchange with the outdoor air flowing in through the outdoor air inlet;
The cooling and heating device may include: an evaporator in which one or more heat exchange plates are installed to be spaced apart from each other in a predetermined direction, a tube passing through the heat exchange plate is disposed, an inlet is formed at one end of the tube, and an outlet is formed at the other end;
a refrigerant storage box in which one side is in communication with the outlet, the other side is connected to one side of the pump, and the refrigerant is circulated and collected therein;
a cooling plate attached to the lower surface of the refrigerant storage box and evenly transferring cold air or warmth received through the refrigerant to the lower surface;
a Peltier element in contact with the lower surface of the cooling plate and providing heat absorption or heat generation when power is applied;
a heat sink disposed adjacent to the bottom of the Peltier device and provided with one or more heat sink fins to dissipate heat generated during operation of the Peltier device to the outside;
A cooling fan that provides wind to cool the heat discharged from the heat sink;
The cooling fans are provided as a pair on both sides of the heat sink, a first cooling fan forcibly introducing air in an inside direction of the heat sink, and parallel to the first cooling fan to supply air to the outside of the heat sink Heater including a cooling and heating device equipped with a Peltier element, characterized in that provided as a second cooling fan for forced discharge. The method of claim 1,
The refrigerant storage box,
An electric heater including a cooling and heating device equipped with a Peltier element, characterized in that one end is provided with a partition fixedly arranged in a zigzag form on the wall, and a flow path through which the refrigerant can flow is formed. The method of claim 1,
The cooling fan is
The directions of the air introduced by the first cooling fan and the air discharged by the second cooling fan are provided in opposite directions to each other, thereby reducing the vortex of the air inside the heat sink, and reducing the flow of air flowing through the heat sink. Heater including a cooling device equipped with a Peltier element, characterized in that it can improve cooling efficiency by smoothing. The method of claim 1,
The body is
The outdoor air inlet and the exhaust port are connected, and when the indoor air is discharged through the exhaust discharge path, some of the discharged air enters the outdoor air inlet through the outdoor air inlet again to circulate the air. Heater including a cooling and heating device equipped with a Peltier element, characterized in that the bypass path is further provided so that. The method of claim 1,
The heating element is
The outdoor air passage passes through, and the outdoor air passage spacer provided in a corrugated shape and
An exhaust passage spacer through which the exhaust passage passes, and an exhaust passage spacer provided in a corrugated shape;
Including a plate-shaped liner provided between the outdoor air passage spacer and the exhaust passage spacer,
The outdoor air passage spacer and the exhaust passage spacer are alternately stacked, the direction of the passage is provided to be perpendicular to each other, and a plate-shaped liner is attached between the outdoor air passage spacer and the exhaust passage spacer. Electric heaters with integrated cooling and heating devices.

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