KR200179768Y1 - Cooling apparatus for a controller used thermoelectric cooling module - Google Patents

Abstract

The present invention relates to a cooling device for a control panel using a thermoelectric cooling module, the present invention is a thermal efficiency and cooling performance of the cooling device according to the prior art is lowered, and when the internal temperature of the control panel is higher than the external temperature, the malfunction of the control panel and the failure It is designed to solve the problem that caused the problem. Therefore, the present invention is to install a partition plate between the first body and the second body, and to install the cold plate and the heat sink on both sides of the partition plate, the thermoelectric cold module for temperature control is installed between the cold plate and the heat sink, According to the present invention, the thermoelectric cooling module installed between the heat sink and the cooling plate improves the thermal efficiency and cooling performance of the cooling device. Also, when the temperature of the control panel is increased due to the low external temperature in the winter, the polarity of the thermoelectric cooling module is changed only when the inside of the control panel is changed. The temperature of the control panel is increased to maintain the optimum temperature inside the control panel, thereby providing an effect of improving the function of the control panel.

Description

Cooling device for control panel using thermoelectric cooling module {COOLING APPARATUS FOR A CONTROLLER USED THERMOELECTRIC COOLING MODULE}

The present invention relates to a cooling device for a control panel using a thermoelectric cooling module, and more particularly, to improve the thermal efficiency by changing the structure of the cooling device installed in the control panel, and to increase the internal temperature of the control panel due to the low external temperature as in winter, The present invention relates to a cooling device for a control panel using a thermoelectric cooling module which can prevent the function of the control panel from being lowered by only changing the polarity of the module.

Various industrial machines are being developed and distributed as automation systems by electric and electronic circuit devices due to the advancement of technology, and the control panels of these devices are getting high performance, miniaturization and high density. There was an urgent need for measures against fever.

In the related art, as shown in FIG. 1, a cooling device is installed in a control panel of industrial equipment and communication equipment.

1 is a schematic view of a cooling apparatus for a control panel according to the prior art, as shown in the cooling apparatus 100, the internal air inlet hole 111 and the internal air exhaust hole 113 is formed in the upper and lower front and the rear upper portion. The case 110 having an external air inlet hole 115 and an external air discharge hole 117 formed at the lower portion thereof, a heat dissipation fin 120 fixedly installed at the inner center of the case 110, and the case 110 of the case 110. The inner blower fan 130 is fixed to the front inner lower end portion, and the outer blower fan 136 is fixed to the rear inner upper end portion of the case 110.

In the prior art configured as described above, the air inside the control panel 140 is circulated to be introduced into the internal air inlet hole 111 by the internal blower fan 130 and discharged to the internal air discharge hole 113. The heat is transferred to the heat dissipation fins 120, and the outside air is circulated to the outside air inlet hole 115 by the external blower fan 136 to be discharged to the outside air outlet hole 117, and the inside of the control panel 140. The heat is received from the heat dissipation fin 120 to be discharged to the outside, the heat inside the control panel 140 and the heat exchanged by the heat dissipation fin 120, the temperature inside the control panel 140 close to the external temperature Will be maintained.

However, since the heat exchange is performed only by the heat dissipation fin 120, such a conventional technology has lowered the thermal efficiency, and when the heat dissipation fin 120 is installed inside the case 110, the installation work is not easy and the workability is deteriorated.

In addition, the inside of the control panel 140 is exposed to adverse conditions such as changes in ambient temperature, heat generation from various devices, humidity, etc., so that the temperature inside the control panel 140 must be lower than the outside temperature. As such, when the external temperature increases, there was a problem that causes malfunction or failure.

The present invention is devised to solve the above problems, the technical problem of the present invention is to improve the thermal efficiency by changing the structure of the cooling device installed in the control panel, the temperature outside the temperature inside the control panel lower than the temperature inside the control panel, such as winter The present invention provides a cooling device for a control panel using a thermoelectric cooling module which can prevent the function of the control panel from deteriorating even under conditions.

1 is a schematic diagram showing a cooling apparatus for a control panel according to the prior art.

Figure 2 is an exploded perspective view of the control panel cooling apparatus using a thermoelectric cooling module according to an embodiment of the present invention.

Figure 3 is a cross-sectional view of the combined state of the present invention.

Figure 4 is an exploded perspective view of the thermoelectric cooling module according to the present invention.

Figure 5 is a schematic diagram illustrating the principle of the control panel cooling apparatus using a thermoelectric cooling module according to the present invention.

<Description of the code | symbol about the principal part of drawing>

10: cooling device 20: first body

21: space part 23: first air suction hole

25: the first air discharge hole 30: the second body

31: space part 34: second air suction hole

36: second air discharge hole 40: partition plate

42: through hole 44: dividing wall

50: cold plate 56: heat sink

60: thermoelectric cooling module 70: internal suction fan

80: external suction fan 90: control panel

The present invention for solving the above technical problem is a conventional cooling device installed in the control panel, one end is opened to form a space, the first air suction hole is formed on the lower end and the first air discharge hole is formed on the first surface Body; A second body having one end opened to correspond to the first body and having a space formed therein, a second air suction hole formed at a lower end thereof, and a second air discharge hole formed at an upper surface thereof; A partition plate installed between the first body and the second body and having a through hole formed from an upper side to a lower side, and a partition wall formed at one side thereof; A cooling plate fixedly installed at one side of the partition plate; And a heat sink fixedly installed on the heat insulating material attached to the other side of the partition plate. A thermoelectric cooling module attached between the cold plate and the heat sink to control a temperature; An internal suction fan installed at an inner side of the first body to circulate air in the control panel; And an external suction fan installed on the inner side of the second body to circulate the external air.

An embodiment of the present invention configured as described above will be described in detail with reference to FIGS. 2 to 4 as follows.

2 is an exploded perspective view of a control panel cooling apparatus using a thermoelectric cooling module according to an embodiment of the present invention, Figure 3 is a cross-sectional view of the combined state of the present invention, Figure 4 is a separation of the thermoelectric cooling module according to the present invention As a perspective view, the cooling device 10 according to the present invention has a first body 20 and an external suction fan 80, the inner suction fan 70 is installed, the second body 30, the first body ( A partition plate 40 installed between the second body 30 and the second body 30, a cold plate 50 and a heat sink 56 installed on both sides of the partition plate 40, and the cold plate 50. It is composed of a thermoelectric cooling module 60 is installed between the heat sink (56).

In detail, the first body 20 is formed in a rectangular frame, and has a space 21 formed at one end thereof, a first air suction hole 23 formed at a lower end thereof, and a first formed at an upper surface thereof. It is composed of an air discharge hole (25).

The second body 30 is to be coupled to the first body 20, it is formed in a rectangular frame, one end of the space portion 31 is formed and the second air suction hole (34) formed through the lower end 34 ) And a second air discharge hole 36 formed through the upper surface.

The partition plate 40 is installed between the first body 20 and the second body 30, and is formed through the through hole 42 penetrating from the upper side to the lower side, and transverse to one side of the lower side of the through hole 42. It is composed of a partition wall 44 formed in the direction.

The cooling plate 50 is attached to one side of the partition plate 40, a plurality of cooling fins 52 are integrally formed to protrude in the longitudinal direction.

The heat dissipation plate 56 is attached to the other side of the partition plate 40, and a plurality of heat dissipation fins 58 are integrally formed to protrude. At this time, the heat sink 56 is made of aluminum or equivalent.

The thermoelectric cooling module 60 is attached between the cold plate 50 and the heat sink 56 to control the temperature. In this case, the thermoelectric cooling module 60 has one side surface attached to the cold plate 50, and a heating plate 62 having a plurality of connection metal plates 62a installed on the other side side thereof, and one side surface attached to the heat sink 56. On the other side, a heat absorbing plate 64 provided with a plurality of contact metal plates 64a, and a Peltier semiconductor device installed between the heat absorbing plate 64 and the heat generating plate 62 and connected to the connection metal plate 62a and the contact metal plate 64a. It is composed of (65).

At this time, the heat generating plate 62 and the heat absorbing plate 64 are made of alumina and ceramic, and the Peltier semiconductor element 65 is composed of a P-type thermal semiconductor element 65a and an N-type semiconductor element 65b. And both ends of one side of the thermoelectric cooling module 60 is connected to the wire 67 that can be supplied with electricity.

The inner suction fan 70 is fixedly installed on the inner surface of the first body 20 to introduce the air inside the control panel 90 through the first air suction hole 23 and then again to the first air discharge hole ( 25) to discharge.

The external suction fan 80 is fixedly installed on the inner surface of the second body 30 to introduce external air through the second air suction hole 34, and then discharge it to the second air discharge hole 36 again. Function

On the other hand, the reference numeral 48 is installed on the other side of the partition plate 40 as a heat insulating material to prevent heat loss, the material is made of urethane foam.

Referring to the assembly process according to an embodiment of the present invention configured as described above are as follows.

2 to 5, in order to install the cooling device 10 in the control panel 90, first, the internal suction of the inner surface of the first body 20, that is, the position where the first air suction hole 23 is formed The fan 70 is installed, and the external suction fan 80 is fixedly installed at the inner surface of the second body 30, that is, at the position where the second air suction hole 34 is formed. Then, the inner suction fan 70 is located in the space 21 of the first body 20, and the outer suction fan 80 is located in the space 31 of the second body 30.

Then, the cooling plate 50 is fixedly installed on one side of the partition plate 40, the heat insulating material 48 is installed on the other side, and the lower end portion of the heat insulating material 48, that is, the site where the cold plate 50 is installed. The heat sink 56 is attached thereto. At this time, the thermoelectric cooling module 60 is installed between the cold plate 50 and the heat sink 56, and the edge portion of the thermoelectric cooling module 60 is molded with a silicon 69.

When assembled as described above, the partition plate 40 is fixedly installed between the first body 20 and the second body 30, but one side of the partition plate 40 faces the first body 20. To face the other side of the partition plate 40 to face the second body 30, and the assembly of the present invention cooling apparatus 10 is completed.

When the assembly of the cooling device 10 is completed in this way, the cooling device 10 may be installed in the control panel 90.

Referring to the operation of the present invention assembled as described above are as follows.

As shown in FIG. 5, when electricity is supplied to the Peltier semiconductor element 65 of the thermoelectric cooling module 60 through the wire 67, the P-type thermoelectric semiconductor element 65a-> the connecting metal plate 62a-&gt; As electricity flows to the semiconductor device 65b, heat is generated in the heat generating plate 62 of the thermoelectric cooling module 60, and the heat is transmitted to the cold plate 50 and the cold fin 52 of the cold plate 50. .

On the contrary, when electricity flows from the N-type thermoconductor element 65b to the connecting metal plate 62a to the P-type thermoconductor element 65a, heat absorption occurs in the heat absorbing plate 64 of the thermoelectric cooling module 60. The heat is transmitted to the heat sink 56 and the heat sink fin 58 of the heat sink 56 is cooled.

As described above, the present invention has a thermal contact transfer rate of 100% between the cooling / heat-dissipating plate 50 and 56 and the heat / heat absorbing plate 62 and 64 of the thermoelectric cooling module 60.

The heat generated by the cooling plate 50 and the cooling fins 52 is absorbed together with the air inside the control panel 90 introduced through the first air suction hole 23 by the internal suction fan 70. The endothermic heat discharged through the first air discharge hole 25 and transferred to the heat dissipation plate 56 and the heat dissipation fin 58 is introduced into the external air introduced through the second air suction hole 34 by the external suction fan 80. Absorbed together, it is continuously discharged to the outside through the second air discharge hole (36). At this time, the cooling fins 52 of the cooling plate 50 are formed in the vertical direction, and the internal suction fan 70 is installed at the lower end of the first body 20 so that the internal air always flows in one direction only. .

On the other hand, in the present invention, when the outside temperature is lowered as in the winter, when the internal temperature of the control panel 90 is higher, the temperature inside the control panel is increased by changing the polarity of the thermoelectric cooling module 60. 90) When the temperature is higher than the internal temperature, the temperature in the control panel 90 may be lowered to 10 ° C. to 20 ° C., and the temperature around the control panel 90 may be lowered to 30 ° C. to 40 ° C. than the external temperature depending on the use conditions. It can be lowered to prevent the malfunction and failure of the control panel 90 in advance.

In addition, by installing the thermostat inside the control panel 90 may be stopped by the cooling device 10 of the present invention when the temperature is cooled over a predetermined temperature.

As described in detail above, according to the present invention, a control panel cooling apparatus using a thermoelectric cooling module is provided with a partition plate between a first body and a second body, and a cooling plate and a heat sink are installed on both sides of the partition plate. The thermoelectric cold module for temperature control is installed between the cold plate and the hot plate. According to the present invention, the thermoelectric cooling module installed between the cold plate and the heat sink improves the thermal efficiency and cooling performance of the cooling device, and also the external temperature is increased as in winter. When the internal temperature of the control panel is lowered, the temperature inside the control panel is increased by only changing the polarity of the thermoelectric cooling module, so that the temperature inside the control panel can be maintained in an optimal state, thereby improving the function of the control panel.

The invention has been shown and described with respect to a specific preferred embodiment, but the invention is not limited to the embodiment described above, the field to which the subject innovation belongs without departing from the gist of the subject innovation claimed in the utility model registration claims Anyone of ordinary skill in the art would be able to make various modifications.

Claims (1)

In the conventional cooling device 10 installed in the control panel 90, An opening having one end formed with a space 21, a first air suction hole 23 formed at a lower end thereof, and a first body 20 having a first air discharge hole 25 formed at an upper surface thereof; A second body having one end opened to correspond to the first body 20 to form a space 31, a second air suction hole 34 at a lower end thereof, and a second air discharge hole 36 formed at an upper surface thereof. 30; A partition plate (40) formed between the first body (20) and the second body (30) and having a through hole (42) formed from an upper portion to a lower portion thereof, and a separation wall (44) formed at one side thereof; A cooling plate 50 fixed to one side of the partition plate 40; And A heat dissipation plate 56 fixed to the heat insulating material 48 attached to the other side of the partition plate 40; A thermoelectric cooling module 60 attached between the cold plate 50 and the heat sink 56 to control the temperature; An internal suction fan 70 installed on an inner surface of the first body 20 to circulate air in the control panel 90; And An external suction fan 80 installed on an inner surface of the second body 30 to circulate external air; Cooling device for the control panel using a thermoelectric cooling module characterized in that it comprises a.