KR102453840B1 - Cold water tank - Google Patents

Abstract

The present invention relates to a cold water tank, in which a cold conduction plate and a thermoelectric module are sequentially inserted and seated in a buffer structure in a thermoelectric module housing, and epoxy is filled around the thermoelectric module, then the heat conduction plate is covered and adhered at a predetermined time and temperature By applying a thermoelectric module unit that is completed as an assembly, a buffer structure is applied to the thermoelectric module when assembling, so that damage to the thermoelectric module due to impact can be stably prevented, while the periphery of the thermoelectric module is filled with epoxy It is possible to prevent moisture penetration into the thermoelectric module side by maintaining close airtightness through It can be significantly reduced.

Description

Cold water tank

The present invention relates to a cold water tank, and more particularly, a cold conduction plate and a thermoelectric module are sequentially inserted and seated in a buffer structure in a thermoelectric module housing, and epoxy is filled on the periphery of the thermoelectric module. By applying the thermoelectric module unit, which is completed as an assembly by being adhered, a buffer structure is applied to the thermoelectric module during assembly to stably prevent damage to the thermoelectric module due to impact, etc. On the other hand, epoxy for the periphery of the thermoelectric module By maintaining close airtightness through charging, moisture penetration into the thermoelectric module can be prevented, and the durability of the thermoelectric module is improved while preventing damage and moisture intrusion caused by the impact of the thermoelectric module, thereby maintaining maintenance costs due to the replacement of the thermoelectric module. It relates to a cold water tank that can significantly reduce the

In general, widely used water purifiers filter raw water such as tap water or natural water using a plurality of filters, and then provide drinking water that can be drunk immediately, or store purified drinking water in a water storage tank, It has a basic function of providing cold or hot water by providing a cooling device and a heating device.

As a conventional water purifier, a 'cooling water purifier for undersink using a thermoelectric semiconductor' as shown in Patent Document 1 (Registration of Korean Patent No. 1175933, Aug. 16, 2012.) is proposed.

According to Patent Document 1 as described above, the conventional cold water purifier for undersink is a cold water purifier for undersink installed under the sink in the kitchen, and receives raw water supplied from the raw water supply unit and uses a plurality of filters as drinking water. water purification kit (kit) to be purified; and a cold water kit having a thermoelectric semiconductor unit to store water purified with drinking water through the water purification kit and then to cool it, wherein the cold water kit stores water purified from the water purification kit Preferably, the storage tank base plate, the storage tank body plate connected to the bottom of the storage tank base plate, the storage tank cover surrounding the storage tank body plate, and the storage tank base plate and the storage tank body plate are made of stainless steel. A water storage tank having a plastic holder interposed on the contact surface so as to tightly fix the water tank, a thermoelectric semiconductor attached to the water storage tank surface to cool the stored water, and the heat absorbing surface of the thermoelectric semiconductor and the water storage A space block located between the surface of the water storage tank base plate of the tank and fastened to the water storage tank base plate through the holder, and the water supplied through one end of the raw water supply unit joined to the heat generating surface of the thermoelectric semiconductor, is transferred to the bottom of the sink. It includes a water cooling block that takes a heat dissipation method by water cooling so that it can be discharged to the other end through the sewer located in the .

However, the conventional cold water tank in the cold water purifier, which is a water treatment device as described above, does not have a buffer structure when assembling the thermoelectric semiconductor, and thus there is a problem of causing damage due to impact or the like to the thermoelectric semiconductor, which is the main part of the cold water tank.

Moreover, since the conventional cold water tank as described above does not have a separate airtight treatment for the peripheral portion of the thermoelectric semiconductor, there is a problem in that moisture penetration occurs toward the thermoelectric semiconductor.

In addition, as the thermoelectric semiconductor is damaged due to impact or moisture penetration, the durability of the thermoelectric semiconductor, which is an essential part for cooling, is lowered, and the maintenance cost according to the replacement of the thermoelectric semiconductor is significantly increased. There was a problem.

Therefore, when assembling the thermoelectric semiconductor, a buffer structure is applied to stably prevent damage to the thermoelectric semiconductor due to impact, etc., while maintaining close airtightness to the periphery of the thermoelectric semiconductor to prevent moisture penetration into the thermoelectric semiconductor. The research and development of a cold water tank that can prevent damage and moisture penetration of the thermoelectric semiconductor and improve the durability of the thermoelectric semiconductor to significantly reduce the maintenance cost is required.

Registered Republic of Korea Patent No. 1175933 on August 16, 2012. Registered Republic of Korea Patent No. 1766541 2017.08.02. Registered Republic of Korea Patent No. 2023619 2019.09.16. Republic of Korea Patent Registration No. 2038030 2019.10.23. registration.

In order to solve the above problems, the present invention sequentially inserts a cold conduction plate and a thermoelectric module into a buffer structure in a thermoelectric module housing, fills the periphery of the thermoelectric module with epoxy, and then covers the thermal conduction plate and adheres at a predetermined time and temperature. An object of the present invention is to provide a cold water tank in which a thermoelectric module unit completed as an assembly is applied so that a buffer structure is applied to the thermoelectric module when assembling, thereby stably preventing damage to the thermoelectric module due to an impact or the like.

Another object of the technology according to the present invention is to sequentially insert and seat the cold conduction plate and the thermoelectric module as a buffer structure in the thermoelectric module housing, and after filling the periphery of the thermoelectric module with epoxy, the heat conduction plate is covered and adhered at a predetermined time and temperature to assemble the assembly By applying the thermoelectric module unit completed with the thermoelectric module, it is possible to prevent moisture penetration into the thermoelectric module while maintaining close airtightness through epoxy filling on the peripheral part of the thermoelectric module.

Another object of the technology according to the present invention is to sequentially insert and seat the cold conduction plate and the thermoelectric module in a buffer structure in the thermoelectric module housing, and after filling the periphery of the thermoelectric module with epoxy, cover the thermal conduction plate to adhere it for a certain time and temperature. By applying the thermoelectric module unit completed as an assembly, it is possible to improve the durability of the thermoelectric module while preventing damage and moisture penetration of the thermoelectric module due to shock, etc. is to make it possible.

The present invention for achieving the above object is as follows. That is, the cold water tank according to the present invention is applied to a fluid cooling device of a water treatment device and cools while temporarily storing the water introduced therein. a water tank comprising a water tank cover covering the open side of the water tank body, and the flange of the water tank cover is longer than the flange of the water tank body, so that the water tank body and the water tank cover are in close contact with each other in a flange type; A sealing packing that is fixed to surround the flange of the water tank body, sealing the water tank body and the water tank cover in close contact with the flange type; From the rear of the flange of the water tank body and the water tank cover, it is closely attached to the rear surface of each flange and fixed through the water tank cover and fixing means. a fixing frame in which the open side ends are alternately connected to each other in a groove and a protrusion structure and then fixed through a fixing bolt; an insulator body surrounding the outer surface of the water tank body of the water tank and blocking heat exchange with the outside of the water tank body; an insulator cover in close contact with the water tank cover portion of the water tank to block heat exchange with the outside with respect to the water tank cover while covering the open portion of the heat insulator body; a thermoelectric module unit fixedly installed on the water tank cover so that one side penetrates the central portion of the insulating material cover to be in close contact with the water tank cover in order to transfer the cold air generated by the thermoelectric module to the water tank side; a heat sink having one side connected to the other side of the thermoelectric module unit and emitting heat from the thermoelectric module unit; and a cooling fan connected to the other side of the heat sink and cooling the heat sink by allowing air to flow into the heat sink.

Here, the thermoelectric module unit is provided in the shape of a rectangular frame, an inward restraining rib protrudes for a certain length at the rear end of the inner space, and a thermoelectric module housing with one side of the rear surface closely disposed with the water tank cover, and the other side of the thermoelectric module housing, inserted from the front. It is seated, and the locking steps protruding outwardly on both sides of the front side in the width direction are closely contacted with the restraining ribs and buffer springs of the thermoelectric module housing interposed therebetween. A thermoelectric module that is inserted and installed inside the thermoelectric module housing, the heat absorbing side is in close contact with the front of the cold conduction plate, so that cold air is transmitted to the water tank cover, and the back is in close contact with the front, which is the heat generating side of the thermoelectric module, and in contact with the front It conducts heat generated from the thermoelectric module through the connected heat sink, inserts the cold conduction plate and the thermoelectric module into the thermoelectric module housing, fills the bonding means, and covers the thermoelectric module side of the thermoelectric module housing to cover the thermoelectric module housing, cold conduction plate, and thermoelectric module. It is preferable to include a heat conduction plate forming one assembly with the module.

At this time, after inserting the cold conduction plate and the thermoelectric module into the thermoelectric module housing, the heat conduction plate covers the thermoelectric module side of the thermoelectric module housing and fixes the thermoelectric module side with a jig after inserting the cold conduction plate and the thermoelectric module into the housing. It is preferable to heat under the condition of

Furthermore, it is preferable that the conditions of a constant temperature and a predetermined time in the electric oven for bonding the epoxy are provided as a temperature condition of 80 degrees and a time condition of 4 hours.

In addition, the thermoelectric module housing has a cylindrical shape on all sides in the circumferential direction and fixed protrusions protruding in the front and rear directions are formed, while the heat conduction plate covers the thermoelectric module housing and closes the thermoelectric module housing. It is preferable that the fixing holes are formed through the corners in correspondence with the fixing protrusions so as to be inserted and fixed.

At this time, in the thermoelectric module housing, a nut is provided inside the fixing protrusion through insert injection so that the heat sink can be fixedly installed through the fixing bolt from the side to which the heat conduction plate is in close contact, while the heat sink is in close contact from the side to which the heat conduction plate is in close contact It is preferable to be fixedly installed while the fixing bolt is fastened to the insert nut.

In addition, it is preferable that the thermoelectric module housing has a charging groove in which the adhesive means is filled along the front circumferential portion so that the adhesive means is filled with respect to the front circumferential portion and can be adhered to the heat conduction plate.

The effect of the cold water tank according to the present invention will be described as follows.

First, the cold conduction plate and the thermoelectric module are sequentially inserted and seated in the thermoelectric module housing as a buffer structure, and after the epoxy is filled around the thermoelectric module, the thermoelectric module unit is completed as an assembly by covering the thermal conduction plate and bonding it at a certain time and temperature. By being applied, a buffer structure is applied to the thermoelectric module when assembling, thereby stably preventing the thermoelectric module from being damaged due to impact or the like.

Second, the cold conduction plate and the thermoelectric module are sequentially inserted and seated as a buffer structure in the thermoelectric module housing, and after the epoxy is filled around the thermoelectric module, the thermoelectric module unit is completed as an assembly by covering the thermal conduction plate and bonding it at a certain time and temperature. By being applied, it is possible to prevent moisture penetration into the thermoelectric module while maintaining close airtightness through epoxy filling on the peripheral portion of the thermoelectric module.

Third, the cold conduction plate and the thermoelectric module are sequentially inserted and seated in the thermoelectric module housing as a buffer structure, and after the epoxy is filled in the periphery of the thermoelectric module, the thermoelectric module unit is completed as an assembly by covering the thermal conduction plate and bonding it at a certain time and temperature. By being applied, it is possible to improve the durability of the thermoelectric module while preventing damage and moisture penetration of the thermoelectric module by impact, and thus, unlike the prior art, it is possible to significantly reduce the maintenance cost due to the replacement of the thermoelectric module.

1 is an exploded perspective view showing a cold water tank according to the present invention.
Figure 2 is a combined perspective configuration diagram showing a cold water tank according to the present invention.
3 is a cross-sectional view showing a cold water tank according to the present invention.
4 to 6 are main part assembly configuration diagrams showing the assembly structure of the thermoelectric module unit, which is the main part of the cold water tank according to the present invention, in stages of assembly.
7 is a cross-sectional view showing an assembly structure of a thermoelectric module unit which is a main part of a cold water tank according to the present invention.

Hereinafter, a preferred embodiment of the cold water tank according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing a cold water tank according to the present invention, and FIG. 2 is a combined perspective view showing a cold water tank according to the present invention.

3 is a cross-sectional view illustrating a combined cold water tank according to the present invention.

4 to 6 are main part assembly diagrams showing the assembly structure of the thermoelectric module unit, which is the main part of the cold water tank according to the present invention, in stages, and FIG. 7 is a thermoelectric module unit which is the main part of the cold water tank according to the present invention. It is a cross-sectional view of the main part coupling showing the assembly structure.

1 to 7, the cold water tank according to a preferred embodiment of the present invention includes a water tank 100, a sealing packing 200, a fixed frame 300, a heat insulating material body 410, a heat insulating material cover 420, and a thermoelectric device. A module unit 500 , a heat sink 600 , and a cooling fan 700 are included.

Specifically, the water tank 100 is applied to a fluid cooling device of a water treatment device to temporarily store and cool water introduced therein.

The water tank 100 includes a water tank body 110 having a storage space for temporarily storing water therein, and a water tank cover 120 covering the open side of the water tank body 120 .

In particular, the water tank 100 as described above is longer than the flange 111 of the water tank body 110 and the flange 121 of the water tank cover 120 outward, so that the water tank body 110 and the water tank cover 120 are It is preferable to adhere to each other in a flange type.

Furthermore, it is preferable that the water tank body 110 constituting the water tank 100 is provided with a partition wall 110a therein to separate a storage space for temporarily storing water.

And the sealing packing 200 is fixed so as to surround the flange 111 of the water tank body 110, sealing processing for the portion in close contact with the flange type of the water tank body 110 and the water tank cover 120.

In addition, the fixing frame 300 is in close contact with the rear surface of each of the flanges 111 and 121 from the rear of the flange of the water tank body 110 and the water tank cover 120 through the water tank cover 120 and the fixing means 300a. is fixed

At this time, it is preferable that the fixing means 300a is provided with a bolt as shown in the figure to fix the water tank cover 120 with respect to the fixing frame 300 .

Furthermore, the fixed frame 300 as described above is provided as a 'C'-shaped upper fixed frame 310 and a lower fixed frame 320 so that the open side ends facing from the upper and lower portions of the water tank 100 are staggered. It is preferable to be fixed through the fixing bolts 330 after being interconnected in a groove and a protrusion structure.

On the other hand, the heat insulating material body 410 is to block the heat exchange with the outside with respect to the water tank body 110 while enclosing the outer surface portion of the water tank body 110 of the water tank 100 .

As shown in FIG. 1 , the insulating material body 410 as described above is preferably provided as a pair divided into two.

And the heat insulating material cover 420 is in close contact with the water tank cover 120 portion of the water tank 100 to cover the open portion of the heat insulating material body 410 to block heat exchange with the outside with respect to the water tank cover 120. .

The insulating material cover 420 as described above, like the insulating material body 410, is preferably provided as a pair divided into two, as shown in FIG. .

In addition, the thermoelectric module unit 500 is a water tank cover so that one side penetrates the central portion of the heat insulating material cover 420 to be in close contact with the water tank cover 120 in order to transfer the cold air generated by the thermoelectric module 530 to the water tank side. (120) is to be fixedly installed.

And the heat sink 600 is installed so that one side is in contact with the other side of the thermoelectric module unit 500 , and emits heat from the thermoelectric module unit 500 .

In addition, the cooling fan 700 is connected to the other side of the heat sink 600 and cools the heat sink 600 by allowing air to flow into the heat sink 600 .

In the cold water tank according to the present invention having the configuration as described above, the thermoelectric module unit 500, which is a main part, is to prevent damage and moisture penetration due to impact of the thermoelectric module, etc., and broadly classified as a thermoelectric module housing ( 510 , a cold conduction plate 520 , a thermoelectric module 530 , and a heat conduction plate 540 .

In detail, the thermoelectric module housing 510 is provided in the shape of a rectangular frame so that an inward restraining rib 511 protrudes for a predetermined length at the rear end of the inner space, and the rear surface of one side is disposed in close contact with the water tank cover 120 .

In addition, the cold conduction plate 520 is inserted and seated from the front, which is the other side of the thermoelectric module housing 510 , and the engaging step 521 protruding outwardly on both sides in the width direction of the front restrains the thermoelectric module housing 510 . The rib 510 and the buffer spring 510a are interposed and are in close contact.

In particular, the cold conduction plate 520 as described above is disposed in close contact with the water tank cover 510 by exposing the rear surface from the thermoelectric module housing 510 to the outside.

In addition, the thermoelectric module 530 is inserted and installed inside the thermoelectric module housing 510 , and the rear surface, which is a heat absorbing side, is in close contact with the front surface of the cold conduction plate 520 , so that cold air is transmitted to the water tank cover 120 side.

In addition, the heat conduction plate 540 is in close contact with the front surface, which is the heat generating side of the thermoelectric module 530 , and conducts heat generated from the thermoelectric module 530 through the heat sink 600 connected and installed in contact with the front surface.

In particular, the heat conduction plate 540 inserts the cold conduction plate 520 and the thermoelectric module 530 into the thermoelectric module housing 510 and fills the adhesive means, and then the thermoelectric module 530 side of the thermoelectric module housing 510. It is preferable to form one assembly with the cover thermoelectric module housing 510 , the cold conduction plate 520 , and the thermoelectric module 530 .

That is, in the state of FIG. 6 , the epoxy as an adhesive means is charged around the cold conduction plate 520 and the thermoelectric module 530 are inserted, and then the heat conduction plate 540 is covered and finished, and the filled epoxy is applied at a certain temperature and time. It is preferable to manufacture the thermoelectric module unit 500 by heating over the thermoelectric module housing 510, the cold conduction plate 520, the thermoelectric module 530, and the thermal conduction plate 540 to mutually adhere.

In other words, after the cold conduction plate 520 and the thermoelectric module 530 are inserted into the thermoelectric module housing 510, the heat conduction plate 540 is filled with epoxy as an adhesive means, and then the thermoelectric module of the thermoelectric module housing 510 ( 530) in a state in which the side is covered and fixed with a jig, heated in an electric oven under conditions of a certain temperature and a certain time to form one assembly while mutually adhering to the thermoelectric module housing 510, the cold conduction plate 520, and the thermoelectric module 530 made to achieve

At this time, it is preferable that the conditions of a certain temperature and a certain time in the electric oven for adhesion to the epoxy are provided as a temperature condition of 80 degrees and a time condition of 4 hours.

In other words, after inserting the cold conduction plate 520 and the thermoelectric module 530 into the thermoelectric module housing 510 and filling the epoxy as an adhesive means, attach the thermoelectric module 530 side of the thermoelectric module housing 510 to the thermal conduction plate. In the state covered with 540 and fixed with a jig, the thermoelectric module 500 can be manufactured by forming one assembly through mutual adhesion while heating in an electric oven at a temperature of 80 degrees for 4 hours.

In addition, in the thermoelectric module unit 500 configured as described above, in particular, the thermoelectric module housing 510 has a cylindrical shape on all four sides in the circumferential direction and it is preferable that fixing protrusions 513 protruding in the front and rear directions are formed. .

In addition, when the heat conduction plate 540 covers the thermoelectric module housing 510 and is in close contact, the four corners correspond to the fixing projections 513 so that the fixing projections 513 of the thermoelectric module housing 510 are inserted and fixed. It is preferable that the fixing hole 543 is formed through the portion.

Furthermore, although not specifically shown in the drawings, the thermoelectric module housing 510 is provided with a fixing protrusion 513 inside the fixing protrusion 513 so that the heat sink 600 can be fixedly installed through the fixing bolts from the side to which the heat conduction plate 540 is in close contact. A nut (not shown) may be provided through insert injection.

That is, the thermoelectric module housing 510 may be fixedly installed while the fixing bolt (not shown) is fastened to the insert nut (not shown) in a state where the heat sink 600 is in close contact from the side to which the heat conduction plate 540 is in close contact. will be.

In addition, it is also important that the thermoelectric module housing 510 in the thermoelectric module unit 500 configured as described above is filled with an adhesive means for the front peripheral portion so that it can be adhered to the heat conduction plate 540 .

To this end, it is more preferable that the thermoelectric module housing 510 has a charging groove 515 filled with an adhesive means further recessed along the front circumferential portion.

The thermoelectric module unit 500 as described above is manufactured so that the thermoelectric module housing 510, the cold conduction plate 520, the thermoelectric module 530, and the heat conduction plate 540 are integrated with each other by being heated after being filled with epoxy. It is preferable that the cold conduction plate 520 is fixedly installed through a fixing means so that the cold conduction plate 520 is in close contact with the front surface of the water tank cover 120 in the state in which it is installed.

It is preferable that the fixing means be provided, for example, by a bolt that penetrates from the rear surface of the water tank cover 120 and is fixed to the rear surface of the cold conduction plate 520 through screw coupling, and at this time, the rear surface of the cold conduction plate 520 is provided in all directions. It is preferable that the screw groove is formed.

Of course, the fixing means is built-in when manufacturing the nut member and the thermoelectric module unit 500 disposed on the rear surface of the water tank cover 120, and penetrates the cold conduction plate 520 and protrudes toward the rear side of the cold conduction plate 520. It may be provided as a bolt member having.

On the other hand, in the cold water tank according to the present invention having the configuration as described above, the unexplained code "UL" is a sterilization lamp unit for sterilizing the water inside the water tank 100, and "S1" is the heat sink 600. It is a heat radiation temperature sensor for detecting the external temperature, and "S2" means a cold water temperature sensor for detecting the temperature of the water inside the water tank 100.

According to the cold water tank according to the present invention having the configuration as described above, the cold conduction plate and the thermoelectric module are sequentially inserted and seated in a buffer structure in the thermoelectric module housing, and epoxy is filled around the thermoelectric module, and then the heat conduction plate is covered for a certain period of time. By applying the thermoelectric module unit, which is completed as an assembly by being adhered to over temperature, a buffer structure is applied to the thermoelectric module when assembling, thereby stably preventing the thermoelectric module from being damaged due to impact or the like.

Furthermore, the cold conduction plate and the thermoelectric module are sequentially inserted and seated in the thermoelectric module housing as a buffer structure, and after the epoxy is filled around the thermoelectric module, the thermoelectric module unit is completed as an assembly by covering the thermal conduction plate and bonding it at a certain time and temperature. By being applied, it is possible to prevent moisture penetration into the thermoelectric module while maintaining close airtightness through epoxy filling on the peripheral portion of the thermoelectric module.

In addition, the cold conduction plate and the thermoelectric module are sequentially inserted and seated in the thermoelectric module housing as a buffer structure, and after the epoxy is filled around the thermoelectric module, the thermoelectric module unit is completed as an assembly by covering the thermal conduction plate and bonding it at a predetermined time and temperature. By being applied, it is possible to improve the durability of the thermoelectric module while preventing damage and moisture penetration of the thermoelectric module, and thus, it is possible to significantly reduce the maintenance cost due to the replacement of the thermoelectric module unlike the prior art.

Although specific embodiments of the present invention have been described in detail above, the present invention is not limited thereto, and various modifications can be made by those skilled in the art to which the present invention pertains. are included within the scope of the present invention.

100: water tank 110: water tank body
111: flange 110a: dividing wall
120: water tank cover 121: flange
200: sealing packing 300: fixed frame
310: upper fixed frame 320: lower fixed frame
330: fixing bolt 300a: fixing means
410: insulation body 420: insulation material cover
500: thermoelectric module unit 510: thermoelectric module housing
511: restraint rib 513: fixed protrusion
515: charging groove 510a: buffer spring
520: cold war plate 521: jamming step
530: thermoelectric module 540: heat conduction plate
543: fixing hole 600: heat sink
700: cooling fan
UL: Germicidal lamp unit
S1: heat radiation temperature sensor
S2: cold water temperature sensor

Claims (7)

It is applied to a fluid cooling device of a water treatment device and is cooled while temporarily storing the water introduced therein. The open side of the water tank body 110 and the water tank body 120 having a storage space for temporarily storing water therein It is composed of a water tank cover 120 covering A water tank 100 that is in close contact with each other in a flange type; A sealing packing 200 fixed to surround the flange 111 of the water tank body 110, and sealing the portion in close contact with the tank body 110 and the water tank cover 120 in a flange type; From the rear of the flange of the water tank body 110 and the water tank cover 120, each of the flanges 111 and 121 is closely attached to the rear surface and fixed through the water tank cover 120 and the fixing means 300a, and has a 'C' shape. A fixing frame 300 that is provided as an upper fixed frame and a lower fixed frame so that the open side ends facing from the upper and lower sides of the water tank are alternately connected to each other in a groove and a protrusion structure and then fixed through a fixing bolt; Insulation material body 410 to block the heat exchange with the outside with respect to the tank body 110 while surrounding the outer surface of the water tank body 110 of the water tank 100; an insulating material cover 420 that is in close contact with the water tank cover 120 of the water tank 100 to block heat exchange with the outside with respect to the water tank cover 120 while covering the open portion of the heat insulating material body 410; Thermoelectric module unit fixedly installed on the water tank cover 120 so that one side penetrates the central portion of the insulating material cover 420 to be in close contact with the water tank cover 120 in order to transfer the cold air generated by the thermoelectric module 530 to the water tank side. (500); a heat sink 600 having one side connected to the other side of the thermoelectric module unit 500 and emitting heat from the thermoelectric module unit 500 ; and a cooling fan 700 connected to the other side of the heat sink 600 and cooling the heat sink 600 by allowing air to flow into the heat sink 600,
The thermoelectric module unit 500 is provided in the shape of a rectangular frame, an inward restraining rib 511 protrudes for a certain length at the rear end of the inner space, and the back side of the thermoelectric module housing 510 is disposed in close contact with the water tank cover 120. class,
The thermoelectric module housing 510 is inserted and seated from the front, the other side, and the locking steps 521 protruding outwardly on both sides in the width direction of the front are the restraining ribs 510 and the buffer springs 510a of the thermoelectric module housing 510. ) is interposed in close contact with the cold conduction plate 520, the rear surface of which is exposed to the outside from the thermoelectric module housing 510, and is disposed in close contact with the water tank cover 510;
The thermoelectric module 530 is inserted and installed inside the thermoelectric module housing 510, and the back side, which is the heat absorbing side, is in close contact with the front side of the cold conduction plate 520 so that cold air is transferred to the water tank cover 120 side.
The rear side is in close contact with the front side, which is the heat generating side of the thermoelectric module 530, and conducts heat generated from the thermoelectric module 530 through the heat sink 600 connected and installed in contact with the front side, and a cold conduction plate in the thermoelectric module housing 510 ( 520) and the thermoelectric module 530 are inserted and the bonding means is filled, and then the thermoelectric module 530 side of the thermoelectric module housing 510 is covered with the thermoelectric module housing 510, the cold conduction plate 520, and the thermoelectric module 530. And cold water tank comprising a heat conduction plate 540 forming one assembly.
delete According to claim 1,
The heat conduction plate 540 is the thermoelectric module 530 side of the thermoelectric module housing 510 after the cold conduction plate 520 and the thermoelectric module 530 are inserted into the thermoelectric module housing 510 and then filled with epoxy as an adhesive means. Covered and fixed with a jig, heated in an electric oven under the conditions of a certain temperature and for a certain time to form a single assembly while mutually adhering to the thermoelectric module housing 510, the cold conduction plate 520, and the thermoelectric module 530 Cold water tank, characterized in that.
4. The method of claim 3,
Cold water tank, characterized in that the conditions of a certain temperature and a certain time in the electric oven for adhesion to the epoxy are provided as a temperature condition of 80 degrees and a time condition of 4 hours.
According to claim 1,
The thermoelectric module housing 510 has a cylindrical shape on all sides in the circumferential direction and has fixing protrusions 513 that protrude in the front and rear directions are formed,
When the heat conduction plate 540 covers the thermoelectric module housing 510 and is in close contact, the four corners correspond to the fixing projections 513 so that the fixing projections 513 of the thermoelectric module housing 510 are inserted and fixed. Cold water tank, characterized in that the fixing hole (543) is formed through.
6. The method of claim 5,
The thermoelectric module housing 510 is such that the heat dissipation plate 600 can be fixedly installed through the fixing bolt from the side to which the heat conduction plate 540 is in close contact.
On the other hand, a nut is provided inside the fixing protrusion 513 through insert injection,
Cold water tank, characterized in that it is fixedly installed while the fixing bolt is fastened to the insert nut while the heat sink 600 is in close contact from the side to which the heat conduction plate 540 is in close contact.
According to claim 1,
The thermoelectric module housing 510 is filled with an adhesive means for the front peripheral portion so that it can be adhered to the heat conduction plate 540,
Cold water tank, characterized in that the filling groove (515) filled with the bonding means is further recessed along the front peripheral portion.

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