CN210608205U - Refrigeration heat abstractor for electric cabinet - Google Patents
Refrigeration heat abstractor for electric cabinet Download PDFInfo
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- CN210608205U CN210608205U CN201921479630.6U CN201921479630U CN210608205U CN 210608205 U CN210608205 U CN 210608205U CN 201921479630 U CN201921479630 U CN 201921479630U CN 210608205 U CN210608205 U CN 210608205U
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- radiator
- end radiator
- cabinet body
- hot end
- semiconductor refrigeration
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Abstract
The utility model discloses a refrigeration and heat dissipation device for an electric cabinet, which comprises a cabinet body, a semiconductor refrigeration sheet heat dissipation device, a cabinet body exhaust fan and a temperature sensor arranged in the cabinet body; the semiconductor refrigeration piece heat dissipation device comprises a hot end radiator, a cold end radiator, a hot end fan and a semiconductor refrigeration piece, wherein the hot end fan is arranged on the outer side of the hot end radiator, the semiconductor refrigeration piece is arranged between the hot end radiator and the cold end radiator, the cold end radiator and the semiconductor refrigeration piece are located inside the cabinet body, and the hot end radiator and the hot end fan are located outside the cabinet body. The semiconductor refrigerating sheet is adopted to provide cold energy, the semiconductor refrigerating sheet is completely isolated from the outside, outside air is not introduced, dust is not accumulated, refrigerating liquid is not introduced, and the safety of the electric cabinet is improved.
Description
Technical Field
The utility model belongs to the technical field of the electric cabinet heat dissipation, concretely relates to refrigeration heat abstractor for electric cabinet.
Background
With the acceleration of the industrialization process and the improvement of the automation degree of various devices, precise and complex electronic and electrical devices such as frequency converters and the like are widely used, the devices generate a large amount of heat during working, and the devices are sensitive to high temperature. The common heat dissipation solution of the electric cabinet is that the electric cabinet is provided with a heat dissipation fan, namely air cooling heat dissipation or heat dissipation by using circulating water matched with a heat exchanger, namely water cooling heat dissipation. Use fan heat dissipation electric cabinet, the heat dissipation is slower, and the fan during operation can bring the outer dust of cabinet, the greasy dirt, harmful gas, has a certain harm to components and parts time in the cabinet for a long time, and the air intake configuration of course filters the cotton and can filter the dust, nevertheless filters the cotton time and has blockked up also easy problem of appearing for a long time, and it blocks the air current volume to filter the cotton, influences efficiency. The scheme is low in cost, but low in heat dissipation efficiency, uncontrollable in temperature rise and safe in risk. Use the circulating water heat dissipation, the heat dissipation is very fast, and the temperature rise can be controlled, and the during operation can not bring the wind dirt, the greasy dirt, harmful gas, but the circulating water time has been of a specified duration easy scale deposit and has reduced the heat transfer effect, and the water pipe line has the seepage risk, and this scheme needs the water pump, and the solenoid valve, and temperature probe controller cost is higher.
Disclosure of Invention
The utility model aims at providing a with low costs, the temperature rise is controllable and do not use the electric cabinet of liquid heat transfer to use refrigeration heat abstractor to the not enough of above-mentioned technique.
In order to achieve the purpose, the refrigeration and heat dissipation device for the electric cabinet comprises a cabinet body, a semiconductor refrigeration sheet heat dissipation device, a cabinet body exhaust fan and a temperature sensor arranged in the cabinet body; the semiconductor refrigeration piece heat dissipation device comprises a hot end radiator, a cold end radiator, a hot end fan and a semiconductor refrigeration piece, wherein the hot end fan is arranged on the outer side of the hot end radiator, the semiconductor refrigeration piece is arranged between the hot end radiator and the cold end radiator, the cold end radiator and the semiconductor refrigeration piece are located inside the cabinet body, and the hot end radiator and the hot end fan are located outside the cabinet body.
Furthermore, heat-conducting silicone grease is smeared on the contact surface of the hot-end radiator and the semiconductor refrigerating sheet, and the thickness of the heat-conducting silicone grease is 100-150 micrometers.
Further, a heat insulation pad is lined between the hot end radiator and the cold end radiator.
Further, a liquid collecting tank is further arranged in the cabinet body and located under the cold end radiator.
Furthermore, the cold end radiator is provided with fins which are of a structure with a large upper part and a small lower part.
Furthermore, a drain hole is formed in the liquid collecting box.
Compared with the prior art, the utility model has the advantages of it is following: the refrigeration heat dissipation device for the electric cabinet adopts the semiconductor refrigeration sheet to provide refrigeration capacity, is completely isolated from the outside, does not introduce external air, does not accumulate dust, does not introduce refrigeration liquid, and improves the safety of the electric cabinet; the comdenstion water that produces among the semiconductor refrigeration piece refrigeration process flows down fast at the cold junction radiator, uses the header tank to collect the comdenstion water, reduces the potential safety hazard, and the outlet of high water level is seted up to the header tank, and the potential safety hazard is solved in the drainage of comdenstion water when too much.
Drawings
Fig. 1 is a schematic structural view of the refrigeration and heat dissipation device for an electric cabinet of the present invention;
FIG. 2 is a schematic top view of the semiconductor cooling fin heat dissipation device of FIG. 1;
fig. 3 is a schematic view of a fin structure of the cold-end heat sink in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, the refrigeration and heat dissipation device for the electric cabinet comprises a cabinet body 1, a semiconductor refrigeration fin heat dissipation device 2, a cabinet body exhaust fan 3, a temperature sensor 4 arranged in the cabinet body 1, and a liquid collection tank 5 arranged in the cabinet body 1; the semiconductor refrigeration piece heat dissipation device 2 comprises a hot end heat radiator 6, a cold end heat radiator 7, a hot end fan 8 arranged on the outer side of the hot end heat radiator 6, a semiconductor refrigeration piece 9 arranged between the hot end heat radiator 6 and the cold end heat radiator 7, and a heat insulation pad 10 lined between the hot end heat radiator 6 and the cold end heat radiator 7, in addition, heat conduction silicone grease is smeared on the contact surface of the hot end heat radiator 6 and the semiconductor refrigeration piece 9, and the thickness of the heat conduction silicone grease is 100-150 micrometers. During installation, the cold-end radiator 7 and the semiconductor refrigeration sheet 9 are located inside the cabinet body 1, the hot-end radiator 6 and the hot-end fan 8 are located outside the cabinet body 1, and the liquid collection tank 5 is located under the cold-end radiator 7.
The semiconductor refrigeration piece is used as a cold source, the temperature sensor detects the ambient temperature in the cabinet body, and the refrigeration capacity of the semiconductor refrigeration piece is controlled. When the environment temperature in the cabinet body is higher than 30 ℃, the semiconductor refrigerating sheet 9 starts to work, and the hot-end fan 8 and the cabinet body exhaust fan 3 start to work together; when the environmental temperature T in the cabinet body is more than or equal to 30 ℃ and less than 40 ℃, the current of the semiconductor refrigerating sheet is 1A; when the environmental temperature T in the cabinet body is more than or equal to 40 ℃ and less than 50 ℃, the current of the semiconductor refrigerating sheet is 2A; when the environmental temperature T in the cabinet body is more than or equal to 50 ℃ and less than 55 ℃, the current of the semiconductor refrigerating sheet is 2.5A; when the environmental temperature T in the cabinet body is more than or equal to 55 ℃, the current of the semiconductor refrigerating sheet is 3A; and if the temperature continuously rises to exceed 55 ℃, an alarm is given.
A hot end radiator is arranged at the heating end of the semiconductor refrigeration sheet, and a hot end fan is arranged on the hot end radiator to help the radiator to radiate heat; and a heat insulation pad is arranged between the hot end radiator and the cold end radiator to prevent the hot end radiator from transferring heat to the cold end, so that the refrigeration effect is improved.
In this embodiment, cold junction radiator 7 has fin 11, and fin 11 adopts big-end-up's structure, and the time of messenger's cold junction has the comdenstion water descends fast, falls into the collection liquid case, and along with the work temperature of electric cabinet rises, the interior air humidity of cabinet descends, no longer produces the comdenstion water. The liquid in the liquid collecting tank 5 is evaporated and is discharged out of the cabinet body by the cabinet body exhaust fan 3, a water outlet is arranged on the liquid collecting tank 5, and when the water level exceeds a certain height, the redundant condensed water is discharged through the water outlet.
The refrigeration heat dissipation device for the electric cabinet adopts the semiconductor refrigeration sheet to provide refrigeration capacity, is completely isolated from the outside, does not introduce external air, does not accumulate dust, does not introduce refrigeration liquid, and improves the safety of the electric cabinet; the comdenstion water that produces among the semiconductor refrigeration piece refrigeration process flows down fast at the cold junction radiator, uses the header tank to collect the comdenstion water, reduces the potential safety hazard, and the outlet of high water level is seted up to the header tank, and the potential safety hazard is solved in the drainage of comdenstion water when too much.
Claims (6)
1. The utility model provides an electricity refrigeration heat abstractor for cabinet, includes the cabinet body, its characterized in that: the refrigerator also comprises a semiconductor refrigeration piece heat dissipation device, a cabinet body exhaust fan and a temperature sensor arranged in the cabinet body; the semiconductor refrigeration piece heat dissipation device comprises a hot end radiator, a cold end radiator, a hot end fan and a semiconductor refrigeration piece, wherein the hot end fan is arranged on the outer side of the hot end radiator, the semiconductor refrigeration piece is arranged between the hot end radiator and the cold end radiator, the cold end radiator and the semiconductor refrigeration piece are located inside the cabinet body, and the hot end radiator and the hot end fan are located outside the cabinet body.
2. A refrigerated heat sink for an electrical cabinet as claimed in claim 1 wherein: and heat-conducting silicone grease is smeared on the contact surface of the hot-end radiator and the semiconductor refrigerating sheet, and the thickness of the heat-conducting silicone grease is 100-150 micrometers.
3. A refrigerated heat sink for an electrical cabinet as claimed in claim 1 wherein: and a heat insulation pad is lined between the hot end radiator and the cold end radiator.
4. A refrigerated heat sink for an electrical cabinet as claimed in claim 1 wherein: the cabinet body is also internally provided with a liquid collecting tank, and the liquid collecting tank is positioned under the cold end radiator.
5. A refrigerated heat sink for an electrical cabinet as claimed in claim 1 wherein: the cold end radiator is provided with fins, and the fins are of a big-end-up structure.
6. A cooling heat sink for an electrical cabinet according to claim 4, wherein: the liquid collecting box is provided with a drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921479630.6U CN210608205U (en) | 2019-09-06 | 2019-09-06 | Refrigeration heat abstractor for electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921479630.6U CN210608205U (en) | 2019-09-06 | 2019-09-06 | Refrigeration heat abstractor for electric cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210608205U true CN210608205U (en) | 2020-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921479630.6U Active CN210608205U (en) | 2019-09-06 | 2019-09-06 | Refrigeration heat abstractor for electric cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210608205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757646A (en) * | 2020-06-19 | 2020-10-09 | 南京吉左网络科技股份有限公司 | Heat dissipation device applied to electronic equipment |
| CN111799684A (en) * | 2020-05-29 | 2020-10-20 | 浙江金麟电气科技有限公司 | Outdoor power distribution cabinet with good heat dissipation performance |
-
2019
- 2019-09-06 CN CN201921479630.6U patent/CN210608205U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799684A (en) * | 2020-05-29 | 2020-10-20 | 浙江金麟电气科技有限公司 | Outdoor power distribution cabinet with good heat dissipation performance |
| CN111799684B (en) * | 2020-05-29 | 2023-11-10 | 浙江金麟电气科技有限公司 | Outdoor power distribution cabinet with good heat dissipation performance |
| CN111757646A (en) * | 2020-06-19 | 2020-10-09 | 南京吉左网络科技股份有限公司 | Heat dissipation device applied to electronic equipment |
| CN111757646B (en) * | 2020-06-19 | 2024-04-12 | 南京吉左网络科技股份有限公司 | Heat abstractor for electronic equipment |
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