CN217956492U - Cooling device in cabinet of semiconductor refrigeration electrical cabinet - Google Patents
Cooling device in cabinet of semiconductor refrigeration electrical cabinet Download PDFInfo
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- CN217956492U CN217956492U CN202222046833.4U CN202222046833U CN217956492U CN 217956492 U CN217956492 U CN 217956492U CN 202222046833 U CN202222046833 U CN 202222046833U CN 217956492 U CN217956492 U CN 217956492U
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- cabinet
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- cold
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- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 239000004065 semiconductor Substances 0.000 title claims abstract description 27
- 238000005057 refrigeration Methods 0.000 title claims abstract description 21
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 8
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the technical field of metallurgical automation instrument control, specifically disclose an isolated semiconductor heat sink for regulator cubicle, it has solved the inside cooling demand of industrial field regulator cubicle that ambient condition is relatively poor. Particularly, in the electrical cabinet which works in a metal smelting area, a dust area and a summer high-temperature area, the electronic elements installed in the electrical cabinet are quick in aging and easy to lose efficacy in a high-temperature environment, so that production equipment is prone to failure. The traditional refrigerant compression evaporation refrigeration technology is large in size and inconvenient to install, and cannot be used on an electric control cabinet with limited space. Therefore, a local cooling device with small size and convenient installation is needed, and the requirement of adjusting the temperature inside the electrical control cabinet in severe environment is met.
Description
Technical Field
The utility model belongs to the technical field of metallurgical automation instrument control, concretely relates to interior heat sink of cabinet of semiconductor refrigeration regulator cubicle.
Background
The temperature in an electric control cabinet installed in a high-temperature and high-dust environment is usually higher. Especially, the environmental temperature in summer can reach more than 70 ℃, and the electronic equipment is fast aged, unstable in work and prone to failure in a high-temperature environment. One of the tradition cooling measure is at cabinet top installation axial fan force inside and outside circulation, and the biggest drawback of this kind of mode is that the environment that the dust is big can not be used, and the cooling effect is limited, and this mode control cabinet generally is used in the better indoor of environment. The other cooling mode is that a circulating fan is installed in the cabinet, although the circulating fan in the cabinet is not influenced by dust in the external environment, the temperature in the cabinet cannot be reduced. Therefore, how to reduce the internal temperature of the control cabinet working in a severe environment, ensuring the stable work of the control equipment and prolonging the service life of the control equipment is a technical problem which is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat sink in cabinet of semiconductor refrigeration regulator cubicle to solve the inside temperature regulation's of electrical control cabinet technological problem.
In order to meet the purpose, the utility model discloses the technical scheme who takes does:
the in-cabinet cooling device of the semiconductor refrigeration electric cabinet comprises a hot end cooling fin, a hot end axial flow fan mounting support, a cold end line passing hole, a cold end cooling fin, a hot end axial flow fan mounting hole, a cooling device mounting substrate, a cold end axial flow fan mounting support, a semiconductor refrigeration fin, an electronic temperature controller, a contactor coil, a contactor main contact, a temperature measuring probe, a power circuit breaker, a DC24V switching power supply, a hot end axial flow fan and a cold end axial flow fan, wherein a square hole is formed in the middle of the cooling device mounting substrate and used for mounting the hot end cooling fin, the semiconductor refrigeration fin, the cold end cooling fin and the hot end axial flow fan mounting support, the semiconductor refrigeration fin is fixedly clamped between the hot end cooling fin and the cold end cooling fin through bolts, the hot end axial flow fan mounting support is provided with the hot end axial flow fan mounting hole for mounting the hot end axial flow fan, the axial flow fan mounting support is used for mounting the cold end axial flow fan, and the cold end line passing hole is formed in the mounting substrate for passing a lead.
Preferably, after the power circuit breaker is closed, the DC24V switching power supply starts to operate and outputs a DC24V power supply, and the temperature control system starts to operate.
Preferably, the electronic temperature controller detects the temperature in the distribution box cabinet through the temperature measuring probe, when the temperature in the distribution box cabinet is higher than a set value, the contactor coil is connected inside the electronic temperature controller, the main contact of the contactor is connected, the semiconductor refrigerating piece, the hot end axial flow fan and the cold end axial flow fan start to work, the temperature in the distribution box cabinet starts to be reduced, and the purpose of adjusting the temperature in the distribution box cabinet is achieved.
The beneficial effects of the utility model are that:
1. the utility model discloses a solved the inside temperature regulation problem of distribution cabinet under the on-the-spot adverse circumstances in work, owing to adopt the semiconductor cooling method, can be very little with what the device volume was done, can reduce the inside temperature of distribution cabinet moreover, this is that traditional approach is not.
2. The device simple to operate just can install and use at original switch board trompil and simple wiring, and the installation is simple, and installation work volume is very little.
3. The device installation back does not influence the interior outer space of distribution cabinet and keeps apart, can not lead to outside dust to invade inside.
4. Because the device can reduce the inside temperature of distribution cabinet, can provide the relatively microthermal operational environment outside than the case for the electronic equipment of work in the cabinet, be favorable to prolonging the working life of incasement equipment.
5. The utility model discloses an application is simple, has the ability of automatic control temperature, and non-maintaining in the actual work.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a right side view of FIG. 2;
fig. 4 is a schematic circuit diagram of the present invention;
in the figure: 1. the cooling structure comprises a hot end cooling fin, 2 a hot end axial flow fan mounting bracket, 3 a cold end and hot end line passing hole, 4 a cold end cooling fin, 5 a hot end axial flow fan mounting hole, 6 a cooling device mounting base plate, 7 a cold end axial flow fan mounting support, 8 a semiconductor refrigeration fin, 9 an electronic temperature controller, 10 a contactor coil, 11 a contactor main contact, 12 a temperature measuring probe, 13 a power circuit breaker, 14.DC24V switching power supply, 15 a hot end axial flow fan and 16 a cold end axial flow fan.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and working principles:
the in-cabinet cooling device of the semiconductor refrigeration electrical cabinet shown in fig. 1-4 comprises a hot-end heat sink 1, a hot-end axial fan mounting support 2, a cold-end wire passing hole 3, a cold-end heat sink 4, a hot-end axial fan mounting hole 5, a cooling device mounting substrate 6, a cold-end axial fan mounting support 7, a semiconductor refrigeration sheet 8, an electronic temperature controller 9, a contactor coil 10, a contactor main contact 11, a temperature measuring probe 12, a power circuit breaker 13, a DC24V switching power supply 14, a hot-end axial fan 15 and a cold-end axial fan 16, wherein a square hole is formed in the middle of the cooling device mounting substrate 6, the square hole is used for mounting the hot-end heat sink 1, the semiconductor refrigeration sheet 8, the cold-end heat sink 4 and the hot-end axial fan mounting support 2, the semiconductor refrigeration sheet 8 is held between the hot-end heat sink 1 and the cold-end heat sink 4 and fixed by using bolts, the hot-end fan mounting support 2 is provided with the hot-end fan mounting hole 5 for mounting the hot-end axial fan 15, the cold-end axial fan mounting support 7 is used for mounting the cold-end axial fan 16, and the hot-end axial fan mounting substrate 6 is further provided with the cold-end wire passing hole 3 for passing a wire. After the power circuit breaker 12 is closed, the DC24V switching power supply 14 starts to operate and outputs a DC24V power supply, and the temperature control system starts to operate. The electronic temperature controller 9 detects the temperature in the distribution box cabinet through the temperature measuring probe 12, when the temperature in the distribution box cabinet is higher than a set value, the electronic temperature controller 9 is internally connected with the contactor coil 10, the main contact 11 of the contactor is connected, the semiconductor refrigerating sheet 8, the hot end axial flow fan 15 and the cold end axial flow fan 16 start to work, the internal temperature of the distribution box cabinet starts to be reduced, and the purpose of adjusting the internal temperature of the distribution box cabinet is achieved.
Install the device and can make its inside and outside air circulation flow field independent separately behind the distribution cabinet, can not lead to inside outside dust gets into the distribution cabinet, the device is small, with low costs and easily installation, and the device is installed and is needed the block terminal of temperature regulation and cashier's office in a shop, realizes adjusting the inside temperature effect of distribution cabinet.
After the device is connected with an AC220V power supply, a power supply breaker is connected, a switching power supply and an electronic temperature controller start to work, when the internal temperature of a distribution box cabinet is higher than the set temperature of the electronic temperature controller, the electronic temperature controller is connected with a contactor coil, a main contact of the contactor is closed and conducted, the temperature of the cold surface on the inner side of a semiconductor refrigeration sheet starts to fall, the temperature of the hot surface on the outer side of the semiconductor refrigeration sheet starts to rise, heat exchange is carried out through a radiator and air respectively, and axial flow fans are installed on the inner side and the outer side of cooling sheets to accelerate air heat exchange.
The electronic temperature controller 9 detects the temperature in the distribution box cabinet through the temperature measuring probe 12, when the temperature in the distribution box cabinet is higher than a set value, the electronic temperature controller 9 is internally connected with the contactor coil 10, the main contact 11 of the contactor is connected, the semiconductor refrigerating sheet 8, the hot end axial flow fan 15 and the cold end axial flow fan 16 start to work, the internal temperature of the distribution box cabinet starts to be reduced, and the purpose of adjusting the internal temperature of the distribution box cabinet is achieved.
The internal cooling requirement of the industrial field electrical cabinet under poor environmental conditions is met, and particularly, electronic elements installed in the electrical cabinet are fast in aging and easy to lose efficacy under a high-temperature environment to cause production equipment failure in the electrical cabinet of metal smelting, large dust and working in a region with high environmental temperature in summer. The traditional refrigerant compression evaporation refrigeration technology is large in size and inconvenient to install, and cannot be used on an electric control cabinet with limited space. Therefore, a local cooling device with small volume and convenient installation is needed, and the requirement of regulating the temperature inside the electrical control cabinet in a severe environment is met.
Claims (3)
1. The utility model provides a heat sink in cabinet of semiconductor refrigeration regulator cubicle, includes hot junction fin, hot junction axial fan installing support, cold and hot end line hole, cold junction fin, hot junction axial fan mounting hole, heat sink mounting substrate, cold junction axial fan erection support, semiconductor refrigeration piece, electronic temperature controller, contactor coil, contactor owner contact, temperature measurement probe, power circuit breaker, DC24V switching power supply, hot junction axial fan and cold junction axial fan, its characterized in that: the cooling device is characterized in that a square hole is formed in the middle of a cooling device mounting substrate (6), the square hole is used for mounting a hot end radiating fin (1), a semiconductor refrigerating fin (8), a cold end radiating fin (4) and a hot end axial flow fan mounting support (2), the semiconductor refrigerating fin (8) is clamped between the hot end radiating fin (1) and the cold end radiating fin (4) through bolts for fixing, the hot end axial flow fan mounting support (2) is provided with a hot end axial flow fan mounting hole (5) for mounting a hot end axial flow fan (15), a cold end axial flow fan mounting support (7) for mounting a cold end axial flow fan (16), and the mounting substrate (6) is further provided with a cold end axial flow hole (3) for penetrating a wire.
2. The in-cabinet cooling device for the semiconductor refrigeration and electrical cabinet as claimed in claim 1, wherein: after the power circuit breaker (13) is closed, the DC24V switching power supply (14) starts to work and outputs a DC24V power supply, and the temperature control system starts to work.
3. The in-cabinet cooling device for the semiconductor refrigeration and electrical cabinet as claimed in claim 1, wherein: the temperature in the distribution box cabinet is detected through the temperature measuring probe (12) in the electronic temperature controller (9), when the temperature in the distribution box cabinet is higher than a set value, the contactor coil (10) is switched on inside the electronic temperature controller (9), the contactor main contact (11) is switched on, the semiconductor refrigerating sheet (8), the hot end axial flow fan (15) and the cold end axial flow fan (16) start to work, the temperature in the distribution box cabinet starts to be reduced, and the purpose of adjusting the temperature in the distribution box cabinet is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046833.4U CN217956492U (en) | 2022-08-04 | 2022-08-04 | Cooling device in cabinet of semiconductor refrigeration electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046833.4U CN217956492U (en) | 2022-08-04 | 2022-08-04 | Cooling device in cabinet of semiconductor refrigeration electrical cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217956492U true CN217956492U (en) | 2022-12-02 |
Family
ID=84226695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222046833.4U Expired - Fee Related CN217956492U (en) | 2022-08-04 | 2022-08-04 | Cooling device in cabinet of semiconductor refrigeration electrical cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217956492U (en) |
-
2022
- 2022-08-04 CN CN202222046833.4U patent/CN217956492U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221202 |