KR102462316B1 - Temperature control device of display device using thermoelectric element - Google Patents

Abstract

The present invention relates to a temperature control device of a display device using a thermoelectric element, which controls internal temperature using a thermoelectric element to prevent abnormal operation of elements due to a temperature rise in a display device mounted on a multifunctional console of a combat system. The device comprises: a control power supply (17) supplying power to a control module (11); a thermoelectric module (13) including a thermoelectric element and driven by a driving power supply (12) independent from the control power supply (17); a detection sensor (15) detecting temperature of a cooling target (14); an operation data unit (16) determining an operation level of the thermoelectric module (13) based on temperature information detected by the detection sensor (15); a signal generation unit (21) connecting the control power supply (17) and the control module (11); and a switch unit (22) connecting the driving power supply (12) and the thermoelectric module (13) in response to transmission of a start signal for the driving power supply (12).

Description

Temperature control device of display device using thermoelectric element

The present invention relates to an apparatus and method for controlling the temperature of a display device using a thermoelectric element, and more particularly, to a thermoelectric element for controlling an internal temperature in order to prevent abnormal operation of the element due to an increase in the temperature of the display mounted on a multi-function console of a combat system. It relates to the temperature control device of the used display device.

The internal components of the multi-function console of the domestic warship combat system are evaluated for operational suitability based on the external temperature of 43 degrees, which is the standard of US military standards.

As a result of testing the multi-function console based on the external temperature of 50 degrees, which is the environmental standard of the exporting country for export, abnormal operation of internal components was confirmed.

Parts with abnormal behavior are commercial parts, and if there is no external temperature control, normal operation is impossible.

In general, an electronic cooling method using heat absorption or heat generation of a thermoelectric element is applied to various industrial fields, and such a thermoelectric module includes a PN semiconductor, a heat insulating material, or a heat dissipation means.

Such electronic cooling technology is applied to medical devices, computer parts, or electronic or electric devices that generate heat according to operation, and various related technologies are known.

After all, parts and elements are used as commercial products when manufacturing conventional display devices, and currently, normal operation is checked based on an external temperature of 43 degrees.

In this way, when the external temperature standard is 50 degrees, the internal temperature of the display device, which is the item, exceeds 67 degrees, and the temperature of the device is out of the normal operating range.

Therefore, the present invention is to solve the problems according to the prior art, and an object of the present invention is to reduce the internal temperature of the thermoelectric element to prevent abnormal operation of the element due to the temperature rise of the display mounted on the multi-function console of the combat system. An object of the present invention is to provide a temperature control device for a display using a thermoelectric element to be controlled using

However, the problems to be solved by the present invention are not limited to the problems described above, and other problems may exist.

According to the present invention for achieving the above object, there is provided a temperature control device for a display using a thermoelectric element, comprising: a control power supply 17 for supplying power to a control module 11; a thermoelectric module 13 including a thermoelectric element and driven by a driving power source 12 independent of the control power supply 17; a detection sensor 15 for detecting the temperature of the cooling target 14; an operation data unit 16 for determining an operating level of the thermoelectric module 13 based on the temperature information detected by the detection sensor 15; a signal generating unit 21 connecting the control power source 17 and the control module 11; and a switch unit 22 connecting the driving power source 12 and the thermoelectric module 13 according to transmission of an operation start signal to the driving power source 12 .

The signal generating unit may include at least one of a photoelectric conversion element, a transistor element, a FET semiconductor element, and a relay.

The thermoelectric module 13 includes a heat exchange block 33 for heat exchange with or without contact with the target MT; a cooling module 36 forming a cooling passage 364 therein to absorb or release heat of the heat exchange block 33; a heat dissipation fin unit 32 for dissipating heat emitted or absorbed from the thermoelectric element coupled to the heat exchange block 33 to the outside; and a heat dissipation fan 31 for dispersing the heat induced by the heat dissipation fin unit 32 to the outside.

The detection sensor 15 may include first and second temperature sensors 151 and 152 for respectively detecting the temperature of the heating element to be cooled and the ambient temperature of the heating element.

The cooling passage 364 may be separated from each other by a partition wall while a plurality of curved paths are arranged in parallel, and each of the plurality of curved paths may have different depths along an extension direction.

The cooling module 36 may further include an inlet unit 363a and an outlet unit 363b respectively formed at both ends of the cooling passage 364 .

Each of the inflow unit 363a and the discharge unit 363b is formed in a direction perpendicular to the extension direction of each curved path of the cooling flow path 364, and is formed in a direction different from the flow path formed in the cooling flow path 364. The branch may consist of a plurality of retention walls defining a flow path.

The heat dissipation fin unit 32 includes a heat dissipation hole block 322 and a heat dissipation fin 321 in which a plurality of heat dissipation holes 323 for guiding a cooling fluid to flow independently of the refrigerant of the cooling module 36 are formed. can

Other specific details of the invention are included in the detailed description and drawings.

According to the present invention described above, when there is an element that does not satisfy the reference outdoor temperature in the display assembly, a thermoelectric element and a heat dissipation structure may be applied to enable normal operation at the outdoor temperature.

In addition, according to the present invention, even in the case of an assembly to which commercial products are applied, it is possible to operate in a high-temperature environment through temperature control.

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

The accompanying drawings below are provided to help understanding of the present embodiment, and provide embodiments together with detailed description. However, the technical features of the present embodiment are not limited to specific drawings, and features disclosed in each drawing may be combined with each other to constitute a new embodiment.
1 is a view showing an embodiment of a temperature control apparatus for a display using a thermoelectric element according to the present invention.
2 is a view showing an embodiment to which a temperature control apparatus for a display using a thermoelectric element according to the present invention is applied.
3 is a view showing an embodiment of a thermoelectric module applied to a temperature control apparatus of a display using a thermoelectric element according to the present invention.
4 is a view showing another embodiment of a temperature control apparatus for a display using a thermoelectric element according to the present invention.

Advantages and features of the present invention and methods 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 may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and those of ordinary skill in the art to which the present invention pertains. It is provided to fully inform those skilled in the art of the scope of the present invention, and the present invention is only defined by the scope of the claims.

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. Like reference numerals refer to like elements throughout, and "and/or" includes each and every combination of one or more of the recited elements. Although "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. Therefore, it goes without saying that the first component mentioned below may be the second component within the spirit of the present invention.

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

Hereinafter, a temperature control device using a thermoelectric element according to the present invention will be described in detail with reference to the accompanying drawings.

1 illustrates an embodiment of a temperature control device using a thermoelectric element according to the present invention.

Referring to FIG. 1 , an apparatus for controlling a temperature of a display using a thermoelectric element according to the present invention includes a control power supply 17 for supplying power to a control module 11 and a thermoelectric element and is independent of the control power supply 17 . The thermoelectric module 13 driven by the driving power source 12, the detection sensor 15 for detecting the temperature of the cooling target 14, and the thermoelectric module 13 based on the temperature information detected by the detection sensor 15 may include an operational data unit 16 for determining the operational level of

The operation of the driving power source 12 is controlled according to a driving signal transmitted from the control module 11 , and may be electrically separated from the driving power supply 12 .

The temperature control apparatus for a display using a thermoelectric element according to the present invention may include a control part and a driving part, and the control part determines whether the thermoelectric module 13 operates, an operation method, or an operation level based on the temperature detection information. And, the driving part may have a function of operating the thermoelectric module 13 based on the operation start signal transmitted from the control part.

In addition, the operation start signal may be a magnetic method or a relay method by a magnetic field generating element such as a photodiode, an electromagnet, or a permanent magnet, but is not limited thereto.

The control part may include a control module 11 , an operation data unit 16 that determines how the thermoelectric module 13 operates, and a control power supply 17 that supplies power to the control module 11 .

In addition, the driving part is operated by the driving power supply 12 and the driving power supply 12 to cool the cooling target 14 , and the temperature of the thermoelectric module 13 and the heating element serving as the cooling target 14 . It may include a detection sensor 15 for detecting the temperature or ambient temperature.

The control module 11 may be operated under a small current or low voltage condition, and power required for the operation of the control module 11 may be supplied by the control power supply 17 .

The control module 11 may have a function of determining whether or not the driving power source 12 is operated, and may transmit, for example, a light start signal, an electromagnetic start signal, or a similar operation start signal to the driving power source 12 .

The driving power supply 12 operates independently of the control power supply 17 and may be electrically isolated. Independently operated, the driving power supply 12 is driven regardless of whether the control power supply 17 is operated, and thus the thermoelectric module 13 may or may not be operated.

In this way, the control circuit of the control module 11 is protected by being electrically separated from each other and operated independently, for example, the control part against current leakage such as leakage of the driving power supply 12 or an electrical operation error of the similar driving part. safe operation can be guaranteed.

A large current or a large voltage is required for the operation of the thermoelectric module 13 , and the driving power source 12 may supply power necessary for the operation of the thermoelectric module 13 .

The thermoelectric module 13 may include at least one thermoelectric element and a heat dissipation means, and the thermoelectric element may be formed of, for example, a PN semiconductor element. In addition, the heat dissipation means included in the thermoelectric module 13 may include, but is not limited to, a heat dissipation fin, a heat dissipation fan, or a cooling fluid.

The thermoelectric module 13 may have a heat exchange function, and may cool a heating element to be cooled 14 by such a heat exchange function.

The cooling target 14 may be, for example, a medical device having a therapeutic function by high-frequency generation, laser generation or similar power consumption, and needs to be maintained in a predetermined temperature range.

The thermoelectric module 13 may cool or heat the cooling target 14 according to the temperature or ambient conditions of the cooling target 14 .

The cooling target 14 may be a heating element of various types that is operated by power supply to generate heat, and heat exchange with the thermoelectric module 13 may be made in various forms. For example, a medium such as cooling water or cooling oil may be cooled or heated to induce heat exchange to the cooling target 14 .

The operating level of the thermoelectric module 13 may be adjusted according to the temperature of the cooling target 14 , and the cooling or heating level may be adjusted.

To this end, the temperature of the cooling target 14 may be detected by the detection sensor 15 .

In addition, the temperature of the cooling target 14 or the heating element may be detected by the detection sensor 15 , and optionally the ambient temperature of the cooling target 14 may be detected.

The temperature of the heating element may be a direct parameter determining the operating level of the thermoelectric module 13 , and the ambient temperature may be an indirect parameter determining the operating level of the thermoelectric module 13 .

Specifically, it may be determined whether the temperature of the heating element is within a predetermined range to determine whether the thermoelectric module 13 operates.

And the ambient temperature is detected to determine the operation method of the thermoelectric module 13, for example, the circulation speed of the coolant or coolant, the flow pressure, the flow amount, or the operation time of the thermoelectric element can be determined.

The temperature or ambient temperature of the heating element detected by the detection sensor 15 may be transmitted to the operation data unit 16, and the operation data unit 16 determines the operation method of the thermoelectric module based on the detected temperature information, may be transmitted to the control module 11 .

The control module 11 may determine whether to operate the thermoelectric module 13 based on the transmitted operation data and transmit a driving signal to the driving power source 12 .

In addition, the driving power source 12 may start the operation of the thermoelectric module 13 based on the operation signal transmitted from the control module 11 .

Thereafter, the temperature information detected by the detection sensor 15 is transmitted to the control module 11 in the form of feedback, and the control module 11 may maintain or stop the driving of the driving power source 12 based thereon.

The operation control of the thermoelectric module 13 according to the analysis of the detection information may be performed in various ways and is not limited to the presented embodiment.

2 shows an embodiment to which the temperature control device according to the present invention is applied.

Referring to FIG. 2 , the control power source 17 may be connected to the control module 11 by a photo coupler, a transistor device, a FET semiconductor device, a relay, or a similar signal generating unit 21 . It may include a signal amplifying means such as a transistor.

The control module 11 may be operated based on a predetermined operating voltage and may be electrically isolated from the driving power supply 12 .

In addition, the temperature of the heating element 23 to be cooled may be detected by the first temperature sensor 151 , and the ambient temperature of the heating element 23 may be detected by the second temperature sensor 152 and the control module 11 ) can be transmitted.

The control module 11 may determine whether to operate the thermoelectric module 13 based on the transmitted information, and may transmit an operation start signal to the driving power source 12 when the operation of the thermoelectric module 13 is determined.

According to the transmission of the operation start signal to the driving power source 12 , the switch unit 22 connecting the driving power source 12 and the thermoelectric module 13 may be operated to start the operation of the thermoelectric module 13 , and thus Accordingly, the thermoelectric module 13 may be operated to cool the heating element 23 .

The control module 11 may transmit an operation start signal through different paths according to cooling and heat generation, and signal transmission may be performed in a digital or analog manner.

Accordingly, the thermoelectric module 13 may cool or heat the heating element 23 according to the ambient temperature or operating conditions of the heating element 23 . In addition, the cooling rate may be adjusted, and cooling or heat generation may be repeatedly performed within a predetermined range.

In this way, cooling and heat generation may be achieved by the thermoelectric module 13 , and a plurality of switch units 22 may be installed to operate according to each condition.

Specifically, it may be set to operate the cooling function when the set reference temperature or more, and to stop the operation when the set reference temperature or more. Here, the reference temperature may be 50 degrees, and the understanding is not limited thereto.

Such a cooling or heating function may be achieved by a separate structure of the independently operated control power source 17 and the control module 11 and a structure of the thermoelectric module 13 suitable therefor.

In addition, in such an operating structure, when the operating condition is changed from heating to cooling or vice versa, an interval time for change may be set.

Specifically, when the heating condition is changed from cooling to heating or vice versa, the working electrode of the thermoelectric element must be changed, so the voltage condition or current condition must be set, and the change time interval to remove the effect of the already operating condition This is set, and the time of change can be detected by an appropriate detection means. For example, the change time interval may be 1 to 5 seconds, but is not limited thereto. By means of the change time interval, the occurrence of an electrical error, for example an electrical short, can be prevented.

The structure of the thermoelectric module 13 having such a function will be described below.

3 illustrates an embodiment of a thermoelectric module applied to a temperature control device according to the present invention.

Referring to FIG. 3 , the thermoelectric module includes a cooling module 36 having a cooling passage 364 formed therein. In addition, the cooling passage 364 is separated from each other by a dividing wall while a plurality of curved paths are arranged in parallel, and each curved path has a different depth along an extension direction.

The thermoelectric module 13 can cool or heat the target MT, which is a heating element in a heat exchange manner, and the thermoelectric module 13 can be made into a structure suitable for the purpose, structure, and operation form of the target MT. can For example, the thermoelectric module may allow heat exchange between the target MT and the thermoelectric element by the flow of a fluid such as coolant or coolant.

To this end, the thermoelectric module 13 is in contact with the target MT, or a heat exchange block 33 for heat exchange in a non-contact state; a cooling module 36 for absorbing or dissipating the heat of the heat exchange block 33; And it may include a heat dissipation fin unit 32 for dissipating heat emitted or absorbed from the thermoelectric element coupled to the heat exchange block 33 to the outside.

It may optionally include a heat dissipation fan 31 for dissipating the heat induced by the heat dissipation fin unit 32 to the outside. In addition, the first and second temperature sensors 151 and 152 for detecting the target MT or a temperature around the target may be disposed on or around the target MT.

The cooling module 36 may have a function of guiding a refrigerant such as cooling water or cooling oil to the inlet lines L11 and L12 connected to the target MT serving as a heating element.

The cooling module 36 may be made of, for example, high thermal conductivity aluminum, an aluminum alloy, or a similar metal, and may include a flow path for the flow of the refrigerant.

Specifically, cooling water serving as a medium for heat exchange or a cooling passage 364 for the flow of cooling oil may be formed in the cooling module 36 .

The cooling passage 364 may be separated from each other by a dividing wall while a plurality of curved paths are arranged in parallel, and ends of different curved paths may be connected to each other.

Each curved path may have a curved shape to increase the path length, and different curved paths may have a similar shape.

The peripheral wall of the cooling passage 364 may be made of a thermally conductive material or a material similar thereto, and may be formed of a double wall if necessary. An inlet unit 363a and an outlet unit 363b may be formed at both ends of the cooling passage 364 , respectively.

The inlet unit 363a may consist of a plurality of retention walls formed in a direction perpendicular to the extension direction of each curved path of the cooling passage 364, and the outlet unit 363b is also the same as the inlet unit 363a. Or it may be made of a similar structure.

A plurality of retention walls may be integrally formed by one end coupled to the circumferential wall and the curved path, and adjacent retention walls are respectively connected to the circumferential wall and the curved path to form a gap with the other end of the retention wall and the curved path. By doing so, a flow path can be formed.

The cooling water introduced through the inlet 362a formed at one end of the inflow unit 363a may flow along the plurality of retention walls formed in the inflow unit 363a and be guided to the cooling passage 364 .

The plurality of curved paths formed in the cooling passage 364 may have different depths along the longitudinal direction, and the depth may be irregularly changed.

As a result, while a vortex is formed in the cooling passage 364 , the residence time may be appropriately adjusted, and at the same time, the contact area may be increased.

In this way, the refrigerant made in the predetermined temperature range by adjusting the residence time in the cooling passage 364 is discharged through the outlet 362b formed in the discharge unit 363b and is guided along the inlet lines L11 and L12 to the target MT. can be cooled or heated.

Thereafter, while flowing along a predetermined path in the target MT, the refrigerant having heat exchange with the target is discharged along the discharge lines L22 and L21 and introduced into the inlet 362a to flow along the path described above.

As such, the flow paths formed in the inflow unit 363a and the discharge unit 363b have different directions from the flow paths formed in the cooling passage 364, so that the flow of the coolant in the cooling passage 364 is applied to the external pressure. can be effectively controlled by

Although one part of the cooling module 36 is shown in the presented embodiment, the cooling modules 36 having the same or similar structure may be combined with each other to form a sealed structure, or the cooling module 36 may be sealed by an appropriate sealing cover. can

Optionally, a plurality of heat dissipation holes 323 may be formed in the heat dissipation hole block 322 , and a fluid such as cooling water or cooling oil or a cooling gas is mixed with the refrigerant of the cooling module 36 along each heat dissipation hole 323 . It can be induced to flow independently, so that the heat transferred to the heat dissipation fins 321 is quickly discharged to the outside, thereby increasing the cooling or heating efficiency of the cooling module 36 .

The cooling passage 364 formed in the cooling module 36 may have various structures capable of controlling the flow of the refrigerant or adjusting the contact area, and is not limited to the presented embodiment.

In addition, it is possible to selectively improve heat dissipation by the heat dissipation fan 31 . The flow of cooling water or cooling oil in the cooling module 36 may be adjusted in various ways and is not limited to the presented embodiment.

4 shows another embodiment of the temperature control device according to the present invention.

Referring to FIG. 4 , the temperature control device of the thermoelectric element module includes a comparator 45 that determines cooling or heating according to the temperature detected by the detection sensor 15 .

The temperature control device may include at least two independent power sources, for example a first power source 41 for supplying power to the control module 11 and a second power source 43 for operation of the thermoelectric module 13 . may include

Temperature information may be transmitted to the detection signal processing unit 44 from the first temperature sensor 151 or the second temperature sensor installed in the cooling target 14 , and the detection signal processing unit 44 is a cooling target corresponding to the heating element. The temperature of (14) and the ambient temperature may be converted and amplified into an electrical signal and transmitted to the comparator (45).

The comparator 45 may set the operating method of the thermoelectric module 13 by comparing the temperature of the heating element and the ambient temperature.

In addition, when an operation error of the cooling target 14 or the thermoelectric module 13 is detected, a blocking signal is generated through the blocking signal unit 451 and transmitted to the operation selection module 42 to be transmitted to the cooling target 14 or the thermoelectric module 13 ) may stop working.

The operation selection module 42 may determine heating or cooling, and a change time interval for changing between cooling and heating may be set.

The comparison result of the comparator 45 may be transmitted to the operation data unit 46 , and the operation data unit 46 determines whether the thermoelectric module 13 is operating, the operating method of the thermoelectric module 13 or the first temperature sensor 151 . ) can determine the information transmission period, and operation data can be generated accordingly.

In addition, operation data may be transmitted to the control module 11 , and the control module 11 may transmit an operation start signal to the second power source 43 through the operation selection module 42 .

Based on the start signal transmitted from the operation selection module 42 , the second power source 42 may operate the flow control unit 431 or the element control unit 432 .

The flow control unit 431 may, for example, operate the circulation pump CR to adjust the circulation speed of the coolant or the operating level of the heat dissipation fan, and the operation method of the thermoelectric module 13 may be controlled by the element control unit 432 . can be decided.

Thereafter, the cooling target 14 may be maintained in a predetermined temperature range by circulation of cooling water or cooling oil and operation of the thermoelectric module 13 .

The operation of the thermoelectric module 13 may be adjusted in various ways and is not limited to the presented embodiment.

The apparatus for controlling the temperature of a thermoelectric element module according to the present invention increases the power consumption efficiency of a cooling device by electrically separating a driving power that requires a large amount of power and a control power that can be operated with a relatively small power.

In addition, the cooling performance is improved by adjusting the cooling or heating conditions according to the ambient temperature.

The temperature control device according to the present invention may have a heat dissipation structure by a refrigerant such as a fan or coolant or cooling oil, and may be adjusted within a predetermined range while allowing the adjustment of the cooling time by adjusting the speed, pressure or flow rate of the refrigerant. By blocking the operation, various types of cooling control errors or safety accidents are prevented.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention. do.

11: control module 12: drive power
13: thermoelectric module 14: cooling target
15: detection sensor 16: operation data unit
17: control power 21: signal generating unit
22: switch unit 23: heating element
31: heat dissipation fan 32: heat dissipation fin unit
33: heat exchange block 36: cooling module
41, 43: first, second power source 42: operation selection module
44: detection signal processing unit 45: comparator
46: operating data unit 151, 152: first, second temperature sensor
321: heat dissipation fin 322: heat dissipation hole block
323: heat dissipation hole 362a: entrance
362b: outlet 363a: inlet unit
363b: exhaust unit 364: cooling flow path
431: flow control unit 432: element control unit
451: shut-off signal unit CR: circulation pump
L11, L21: inlet line MT: target

Claims (8)

a control power supply 17 for supplying power to the control module 11;
a thermoelectric module 13 including a thermoelectric element and driven by a driving power source 12 independent of the control power supply 17;
a detection sensor 15 for detecting the temperature of the cooling target 14;
an operation data unit 16 for determining an operating level of the thermoelectric module 13 based on the temperature information detected by the detection sensor 15;
a signal generating unit 21 connecting the control power source 17 and the control module 11; and
a switch unit 22 for connecting the driving power supply 12 and the thermoelectric module 13 according to the transmission of an operation start signal to the driving power supply 12;
The signal generating unit is
At least one of a photoelectric conversion element, a transistor element, a FET semiconductor element, or a relay,
The thermoelectric module 13,
a heat exchange block 33 for heat exchange with or without contact with the target MT;
a cooling module 36 forming a cooling passage 364 therein to absorb or release heat of the heat exchange block 33;
a heat dissipation fin unit 32 for dissipating heat emitted or absorbed from the thermoelectric element coupled to the heat exchange block 33 to the outside; and
and a heat dissipation fan 31 for dispersing the heat induced by the heat dissipation fin unit 32 to the outside,
The detection sensor 15,
and first and second temperature sensors 151 and 152 for respectively detecting the temperature of the heating element to be cooled and the ambient temperature of the heating element,
The cooling passage 364 is,
A plurality of curved paths are arranged in parallel and separated from each other by a dividing wall, and each of the plurality of curved paths has a different depth along the extension direction,
The cooling module 36,
Further comprising an inlet unit 363a and an outlet unit 363b respectively formed at both ends of the cooling passage 364,
Each of the inlet unit 363a and the outlet unit 363b,
It consists of a plurality of retention walls formed in a direction perpendicular to the extension direction of each curved path of the cooling flow path 364 to form a flow path having a different direction from the flow path formed in the cooling flow path 364,
The heat dissipation fin unit 32,
A display using a thermoelectric element including a heat radiation hole block 322 and a heat radiation fin 321 having a plurality of heat radiation holes 323 for inducing a cooling fluid to flow independently of the coolant of the cooling module 36 temperature control device. delete delete delete delete delete delete delete

Images