CN220291487U - Heat radiation structure of weak current switch board - Google Patents
Heat radiation structure of weak current switch board Download PDFInfo
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- CN220291487U CN220291487U CN202321846907.0U CN202321846907U CN220291487U CN 220291487 U CN220291487 U CN 220291487U CN 202321846907 U CN202321846907 U CN 202321846907U CN 220291487 U CN220291487 U CN 220291487U
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- weak current
- power distribution
- air
- distribution cabinet
- current power
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- 230000005855 radiation Effects 0.000 title claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 32
- 239000004065 semiconductor Substances 0.000 claims abstract description 23
- 230000002146 bilateral effect Effects 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a heat radiation structure of a weak current power distribution cabinet, which comprises a weak current power distribution cabinet main body, wherein an air outlet pipe is arranged at the center of the top of the weak current power distribution cabinet main body, and an induced draft fan is arranged on the air outlet pipe; the utility model discloses a weak current switch board, including the bottom bilateral symmetry of weak current switch board main part, the bottom center department embedding of air-supply line is installed the refrigeration board, the top equidistance of refrigeration board is installed and is directed towards the same cold guide plate with the air-supply line, semiconductor refrigeration piece is installed to the bottom of refrigeration board, and the cold junction of semiconductor refrigeration piece contacts with the bottom of refrigeration board. The semiconductor refrigerating sheet works to refrigerate the refrigerating plates, and transmits the cold energy to the cold guide plates, and the external air entering the weak current power distribution cabinet body through the air inlet pipe can pass through between the two adjacent cold guide plates to refrigerate the external air, so that the air inlet temperature is reduced, and the heat dissipation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of weak current power distribution cabinets, in particular to a heat dissipation structure of a weak current power distribution cabinet.
Background
The distribution box is also called a distribution cabinet, is a generic name of a motor control center, and comprises a strong current distribution box and a weak current distribution box, wherein the distribution box is used for assembling switch equipment, a measuring instrument, protection electric appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement to form a low-voltage distribution device, and is beneficial to maintenance when a circuit fault occurs, and a distribution board and the like are arranged in the distribution box, so that the distribution box is a complete set of equipment for intensively installing the switch, the instrument and the like.
The inside distribution equipment of light current switch board can produce certain heat at the in-process of work, and heat is piled up in the inside of light current switch board in a large number, can cause the inside temperature rise of light current switch board, influences the life of inside distribution equipment. In the prior art, radiating windows are generally formed in two sides of the weak current power distribution cabinet, radiating fans are additionally arranged in the radiating windows, heat in the weak current power distribution cabinet is discharged through the radiating windows under the action of the radiating fans and used for reducing the internal temperature of the weak current power distribution cabinet, however, when the external environment temperature is higher, the air temperature blown out by the radiating fans is higher, and the radiating quality of the weak current power distribution cabinet is affected. Therefore, it is necessary to design a heat dissipation structure of the weak current power distribution cabinet.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the heat dissipation structure of the weak current power distribution cabinet, the semiconductor refrigeration piece works to refrigerate the refrigeration plate and transmit the cold energy to the cold guide plates, and the external air entering the inside of the weak current power distribution cabinet main body through the air inlet pipe can pass through the space between the two adjacent cold guide plates to refrigerate the external air, so that the air inlet temperature is reduced, and the heat dissipation efficiency is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the heat dissipation structure of the weak current power distribution cabinet comprises a weak current power distribution cabinet main body, wherein an air outlet pipe is arranged at the center of the top of the weak current power distribution cabinet main body, and an induced draft fan is arranged on the air outlet pipe;
the utility model discloses a weak current switch board, including the bottom bilateral symmetry of weak current switch board main part, the bottom center department embedding of air-supply line is installed the refrigeration board, the top equidistance of refrigeration board is installed and is directed towards the same cold guide plate with the air-supply line, semiconductor refrigeration piece is installed to the bottom of refrigeration board, and the cold junction of semiconductor refrigeration piece contacts with the bottom of refrigeration board.
Preferably, the cold guide plate is provided with cold guide protrusions formed integrally at equal intervals.
Preferably, a heat radiation fin is fixed at the hot end of the semiconductor refrigeration sheet, and a centrifugal fan is installed at the side edge of the heat radiation fin.
Preferably, an air filtering component is arranged on the air inlet end of the air inlet pipe.
Preferably, the air filtering component comprises a chute arranged at the air inlet end of the air inlet pipe, a filter screen is connected in a sliding manner in the chute, and a pull frame is arranged at the top of the filter screen.
Preferably, the inner wall of the weak current power distribution cabinet main body is provided with a temperature sensor and a PLC (programmable logic controller), the temperature sensor is electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the semiconductor refrigerating sheet.
The beneficial effects of the utility model are as follows:
the semiconductor refrigeration piece works to refrigerate the refrigeration board to on transmitting cold energy to the cold guide board, entering the inside outside air of weak current switch board main part through the air-supply line can pass through between two adjacent cold guide boards, refrigerate outside air, be used for reducing the temperature of admitting air, promote radiating efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic cross-sectional perspective view of an air inlet pipe according to the present utility model;
fig. 3 is a schematic view of a three-dimensional structure of an internal area of a weak current power distribution cabinet body of the utility model;
reference numerals in the drawings: 1. a weak current power distribution cabinet main body; 2. an air outlet pipe; 3. an induced draft fan; 4. an air inlet pipe; 5. a semiconductor refrigeration sheet; 6. a heat radiation fin; 7. a wind filtering component; 701. a chute; 702. a pull frame; 703. a filter screen; 8. a centrifugal fan; 9. a refrigeration plate; 10. a cold guide plate; 11. a cold guide protrusion; 12. a temperature sensor; 13. and a PLC controller.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
Examples
The utility model provides the following technical scheme as shown in fig. 1, 2 and 3: the utility model provides a heat radiation structure of light current switch board, includes light current switch board main part 1, and light current switch board main part 1 installs out tuber pipe 2 in the top center department, installs draught fan 3 on the tuber pipe 2;
the air inlet pipe 4 is symmetrically installed at the bottom both sides of the weak current power distribution cabinet main body 1, the refrigerating plate 9 is embedded and installed at the bottom center of the air inlet pipe 4, the cold guide plate 10 which is oriented to the same direction with the air inlet pipe 4 is equidistantly installed at the top of the refrigerating plate 9, the semiconductor refrigerating plate 5 is installed at the bottom of the refrigerating plate 9, the cold end of the semiconductor refrigerating plate 5 is contacted with the bottom of the refrigerating plate 9, certain heat can be generated by the power distribution equipment installed inside the weak current power distribution cabinet main body 1 in the working process, a large amount of heat is accumulated inside the weak current power distribution cabinet main body 1, the internal temperature of the weak current power distribution cabinet main body 1 is increased, the service life of the internal power distribution equipment is influenced, the induced draft fan 3 works, the internal air and the heat of the weak current power distribution cabinet main body 1 are discharged from the air outlet pipe 2, the internal air pressure of the weak current power distribution cabinet main body 1 is reduced, the external cold air enters the inside the weak current power distribution cabinet main body 1 through the air inlet pipe 4 under the action of the external atmospheric pressure, the internal temperature of the weak current power distribution cabinet main body 1 is reduced, the semiconductor refrigerating plate 5 works, the internal temperature of the weak current power distribution cabinet main body 1 is reduced, the internal temperature of the weak current power distribution cabinet is greatly transmitted to the refrigerating the cold guide plate 10, the internal temperature of the weak current power distribution cabinet main body is increased, the internal temperature is reduced, the external air is cooled, and the external temperature is cooled, and the external, and the internal temperature of the internal air is cooled, and the internal temperature of the air is cooled, and the internal temperature is cooled.
Preferably, the cold guide plate 10 is provided with cold guide protrusions 11 formed integrally at equal distance, and the cold guide protrusions 11 are used for increasing the contact area between the cold guide plate 10 and the outside air and improving the refrigeration efficiency.
Preferably, the heat end of the semiconductor refrigeration piece 5 is fixed with a heat radiation fin 6, the side edge of the heat radiation fin 6 is provided with a centrifugal fan 8, heat generated in the working process of the heat end of the semiconductor refrigeration piece 5 is transmitted to the heat radiation fin 6 and rapidly emitted to the external environment under the action of the centrifugal fan 8, and the heat radiation fin is used for improving the refrigeration efficiency of the semiconductor refrigeration piece 5.
Examples
Referring to fig. 1 and 2, as another preferred embodiment, a difference from the first embodiment is that a wind filtering assembly 7 is installed on the inlet end of the air inlet duct 4.
Preferably, the wind filtering component 7 comprises a chute 701 arranged at the air inlet end of the air inlet pipe 4, a filter screen 703 is slidably connected in the chute 701, a pull frame 702 is arranged at the top of the filter screen 703, the filter screen 703 is used for filtering air entering the air inlet pipe 4 and removing large particle dust in the air, the dust is prevented from entering the inside of the weak current power distribution cabinet main body 1, the filter screen 703 slides in the chute 701, and the filter screen 703 is quickly moved out from the chute 701 by pulling the pull frame 702, so that the filter screen 703 is conveniently cleaned.
Examples
Referring to fig. 1, 2 and 3, as another preferred embodiment, the difference from the first embodiment is that a temperature sensor 12 and a PLC controller 13 are installed on the inner wall of the weak current power distribution cabinet body 1, the temperature sensor 12 is electrically connected with the input end of the PLC controller 13, the output end of the PLC controller 13 is electrically connected with the semiconductor refrigerating sheet 5, the temperature inside the weak current power distribution cabinet body 1 is monitored in real time through the set temperature sensor 12, and the monitored temperature information is transmitted to the PLC controller 13, and the PLC controller 13 processes and then controls the semiconductor refrigerating sheet 5 to perform power adjustment so as to meet the heat dissipation requirements under different temperature environments.
Working principle:
the utility model provides a weak current switch board main part 1 internally mounted's distribution equipment can produce certain heat at the in-process of work, the heat is piled up in the inside of weak current switch board main part 1 in a large number, can cause the inside temperature of weak current switch board main part 1 to rise, influence the life of inside distribution equipment, draught fan 3 work, with the inside air of weak current switch board main part 1 and heat follow out tuber pipe 2 and discharge, make the inside atmospheric pressure of weak current switch board main part 1 reduce, under the effect of external atmospheric pressure, enter into the inside of weak current switch board main part 1 with external cold air through air-supply line 4, realize circulating air exchange, be used for reducing the inside temperature of weak current switch board main part 1, and semiconductor refrigeration piece 5 work, refrigerate refrigeration board 9, and on will cold energy transmission to cold guide board 10, the outside air that gets into the inside of weak current switch board main part 1 through air-supply line 4 can refrigerate through between two adjacent cold guide boards 10, be used for reducing the temperature that admits air, promote radiating efficiency.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a heat radiation structure of light current switch board, includes light current switch board main part (1), its characterized in that: an air outlet pipe (2) is arranged at the center of the top of the weak current power distribution cabinet main body (1), and an induced draft fan (3) is arranged on the air outlet pipe (2);
the utility model discloses a weak current switch board, including bottom bilateral symmetry of weak current switch board main part (1) installs air-supply line (4), bottom center department embedding of air-supply line (4) installs refrigeration board (9), cold guide plate (10) the same with air-supply line (4) orientation are installed to the top equidistance of refrigeration board (9), semiconductor refrigeration piece (5) are installed to the bottom of refrigeration board (9), and the cold junction of semiconductor refrigeration piece (5) contacts with the bottom of refrigeration board (9).
2. The heat radiation structure of a weak current power distribution cabinet according to claim 1, wherein: the cold guide plate (10) is provided with cold guide bulges (11) which are formed integrally at equal intervals.
3. The heat radiation structure of a weak current power distribution cabinet according to claim 1, wherein: and a heat radiating fin (6) is fixed at the hot end of the semiconductor refrigerating sheet (5), and a centrifugal fan (8) is arranged at the side edge of the heat radiating fin (6).
4. The heat radiation structure of a weak current power distribution cabinet according to claim 1, wherein: an air filtering component (7) is arranged at the air inlet end of the air inlet pipe (4).
5. The heat radiation structure of a weak current power distribution cabinet according to claim 4, wherein: the air filtering assembly (7) comprises a sliding groove (701) arranged at the air inlet end of the air inlet pipe (4), a filter screen (703) is connected inside the sliding groove (701) in a sliding mode, and a pull frame (702) is arranged at the top of the filter screen (703).
6. The heat radiation structure of a weak current power distribution cabinet according to claim 1, wherein: the temperature sensor (12) and the PLC (programmable logic controller) are installed on the inner wall of the weak current power distribution cabinet main body (1), the temperature sensor (12) is electrically connected with the input end of the PLC (13), and the output end of the PLC (13) is electrically connected with the semiconductor refrigerating sheet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321846907.0U CN220291487U (en) | 2023-07-14 | 2023-07-14 | Heat radiation structure of weak current switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321846907.0U CN220291487U (en) | 2023-07-14 | 2023-07-14 | Heat radiation structure of weak current switch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220291487U true CN220291487U (en) | 2024-01-02 |
Family
ID=89339415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321846907.0U Active CN220291487U (en) | 2023-07-14 | 2023-07-14 | Heat radiation structure of weak current switch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220291487U (en) |
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2023
- 2023-07-14 CN CN202321846907.0U patent/CN220291487U/en active Active
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