CN216774018U - Temperature and humidity regulation and control system for power distribution cabinet - Google Patents
Temperature and humidity regulation and control system for power distribution cabinet Download PDFInfo
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- CN216774018U CN216774018U CN202122695572.4U CN202122695572U CN216774018U CN 216774018 U CN216774018 U CN 216774018U CN 202122695572 U CN202122695572 U CN 202122695572U CN 216774018 U CN216774018 U CN 216774018U
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- nitrogen
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 107
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 239000003507 refrigerant Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a temperature and humidity regulating system for a power distribution cabinet, which comprises a temperature and humidity detection device, a heat exchange pipe body, a temperature and humidity regulating device and a ventilation structure arranged on the power distribution cabinet, wherein the temperature and humidity detection device is arranged in the power distribution cabinet and is used for detecting the temperature and the humidity in the power distribution cabinet; the heat exchange tube body is arranged in the power distribution cabinet and is communicated with a nitrogen source through a conveying pipeline, so that nitrogen output by the nitrogen source can enter the heat exchange tube body to be used as a refrigerant to exchange heat with air in the power distribution cabinet; temperature humidity control device locates on the pipeline and detects the nitrogen gas flow that the temperature humidity control in the switch board got into the heat transfer body from pipeline according to the temperature humidity control of temperature humidity detection device in the switch board to can the humiture in the automatically regulated switch board, make the constancy of temperature in keeping the switch board when the switch board moves, keep the constancy of humidity in the switch board when the switch board stops moving, ensure the steady operation of switch board.
Description
Technical Field
The utility model relates to the field of power distribution cabinets, in particular to a temperature and humidity regulation and control system for a power distribution cabinet.
Background
At present, a power distribution cabinet plays roles of on-off, control or protection and the like in power transmission and distribution and electric energy conversion, the power distribution cabinet is important equipment in an intelligent power distribution network, and the stable operation of a power system is directly influenced by the temperature and the humidity in the power distribution cabinet. Because the power distribution cabinet is relatively closed and the internal space is limited, the electric equipment runs at full load for a long time, heat accumulation is caused to increase the temperature, components in the power distribution cabinet can generate heat under the condition of power-on use, particularly in summer, the power distribution cabinet can further increase the temperature, and the components can generate heat to cause tripping along with the temperature increase in the power distribution cabinet; in addition, during the shutdown period of the power distribution cabinet, due to the influence of indoor and outdoor atmospheric quality and environment, the phenomenon that the temperature is low and the humidity is high, so that condensation is generated and short circuit of components is caused can be caused. Therefore, the switch board is in operation or during the stop, whether temperature and humidity satisfies the operation requirement in the switch board of needs real-time supervision, avoids causing the emergence of incident.
However, in the prior art, the cooling and dehumidifying in the power distribution cabinet is processed through natural air circulation, which cannot ensure the stable working environment inside the power distribution cabinet, and affects the stable operation of the system.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a temperature and humidity control system for a power distribution cabinet, which can automatically regulate the temperature and the humidity in the power distribution cabinet, so that the temperature in the power distribution cabinet is kept constant when the power distribution cabinet runs, the power distribution cabinet is kept at constant humidity when the power distribution cabinet stops running, and the phenomena of overhigh temperature, low temperature and high humidity of the power distribution cabinet during the running period and condensation caused by the low temperature and the high humidity during the stopping period can be avoided.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides a humiture regulation and control system for switch board, includes:
the ventilation structure is arranged on the power distribution cabinet and used for exhausting air in the power distribution cabinet;
the temperature and humidity detection device is arranged in the power distribution cabinet and is used for detecting the temperature and the humidity in the power distribution cabinet,
the heat exchange tube body is arranged in the power distribution cabinet and communicated with a nitrogen source through a conveying pipeline, so that nitrogen output by the nitrogen source can enter the heat exchange tube body to be used as a refrigerant to exchange heat with air in the power distribution cabinet;
and the temperature and humidity adjusting device is arranged on the conveying pipeline and used for adjusting the nitrogen flow entering the heat exchange pipe body from the conveying pipeline according to the temperature and humidity in the temperature and humidity detection device detection power distribution cabinet.
Furthermore, the temperature and humidity adjusting device comprises a temperature adjusting control valve, and the temperature adjusting control valve is arranged on the conveying pipeline and adjusts the nitrogen flow entering the heat exchange pipe body according to the temperature value in the temperature and humidity detection device detection power distribution cabinet.
Further, the temperature and humidity adjusting device further comprises a humidity adjusting control valve, the humidity adjusting control valve is arranged on the conveying pipeline through a connecting pipeline, and the humidity adjusting control valve adjusts the nitrogen flow entering the heat exchange pipe body according to the humidity value in the temperature and humidity detection device detection power distribution cabinet.
Furthermore, the temperature and humidity adjusting system also comprises a nitrogen generating device which is used for generating nitrogen and communicated with the conveying pipeline.
Further, the nitrogen making device is arranged outside the power distribution cabinet.
Further, the temperature and humidity adjusting system further comprises an axial flow fan, and the axial flow fan is arranged on the ventilation structure.
Further, the heat exchange tube body is a coil.
Furthermore, the heat exchange tube body is bent to form a plurality of U-shaped loops communicated end to end.
Further, the temperature and humidity detection device comprises a temperature and humidity sensor for detecting the temperature and humidity in the power distribution cabinet.
Further, temperature and humidity sensor sets up in the top in the switch board.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, air is exhausted through the ventilation structure on the power distribution cabinet, nitrogen enters the heat exchange tube body as a refrigerant, so that heat exchange is carried out between air in the power distribution cabinet and the surface of the heat exchange tube body, and in the process of heat exchange, the nitrogen flow entering the heat exchange tube body from the conveying pipeline is detected through the temperature and humidity detection device, so that the temperature and humidity in the power distribution cabinet can be automatically adjusted, the temperature in the power distribution cabinet is kept constant when the power distribution cabinet runs, the humidity in the power distribution cabinet is kept constant when the power distribution cabinet stops running, the stable running of a power distribution cabinet system is ensured, and safety accidents are avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of a power distribution cabinet according to an embodiment of the present invention.
In the figure: 1. a power distribution cabinet; 10. a ventilation structure; 100. an axial flow fan; 2. a temperature and humidity detection device; 3. a heat exchange tube body; 4. a delivery conduit; 5. a temperature and humidity adjusting device; 50. a temperature regulation control valve; 51. a humidity adjustment control valve; 6. connecting a pipeline; 7. an output pipe; 8. a nitrogen making device.
Detailed Description
The present invention will be described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the following description, various embodiments or technical features may be arbitrarily combined to form a new embodiment without conflict.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The implementation mode is as follows:
as shown in fig. 1-2, the utility model discloses a temperature and humidity control system for a power distribution cabinet, which comprises a ventilation structure 10, a temperature and humidity detection device 2, a heat exchange pipe body 3 and a temperature and humidity control device 5. The ventilation structure 10 is arranged on the power distribution cabinet 1 and positioned at the top of the power distribution cabinet and used for exhausting air in the power distribution cabinet 1; the temperature and humidity detection device 2 is arranged in the power distribution cabinet 1 and is used for detecting the temperature and humidity in the power distribution cabinet 1; the heat exchange tube body 3 is arranged in the power distribution cabinet 1, and the heat exchange tube body 3 is communicated with a nitrogen source through a conveying pipeline 4, so that nitrogen output by the nitrogen source can enter the heat exchange tube body 3 to be used as a refrigerant to exchange heat with air in the power distribution cabinet 1; the temperature and humidity adjusting device 5 is arranged on the conveying pipeline 4 and used for adjusting the nitrogen flow entering the heat exchange pipe body 3 from the conveying pipeline 4 according to the temperature and humidity in the temperature and humidity detection device 2 detection power distribution cabinet 1. Therefore, the regulation and control system provided by the utility model can be understood that in the use process, air is exhausted through the ventilation structure 10 on the power distribution cabinet 1, nitrogen enters the heat exchange tube body 3 as a refrigerant, so that heat exchange is carried out between air in the power distribution cabinet 1 and the surface of the heat exchange tube body 3, in the heat exchange process, the temperature and humidity in the power distribution cabinet 1 are detected through the temperature and humidity detection device 2, the nitrogen flow entering the heat exchange tube body 3 from the conveying pipeline 4 is regulated, the temperature and humidity in the power distribution cabinet 1 can be automatically regulated, the temperature in the power distribution cabinet 1 is kept constant when the power distribution cabinet 1 runs, the humidity in the power distribution cabinet 1 is kept constant when the power distribution cabinet 1 stops running, the stable running of the power distribution cabinet is ensured, and safety accidents are avoided.
It should be noted that, nitrogen gas in the heat exchange tube body 3 goes to the instrument tube or the dirty nitrogen tube through the output pipeline 7 after carrying out heat exchange with the air in the switch board 1, also can go to the workshop and recycle. In addition, because nitrogen gas carries out the heat exchange with the air in switch board 1 as the refrigerant medium of heat exchange tube body 3, the inventor can select the temperature of nitrogen gas according to the equipment use essence in switch board 1.
In this embodiment, the temperature and humidity detection device 2 includes a temperature and humidity sensor, and of course, the regulation and control system of the present invention further includes a control system, the control system is a PLC control system, the temperature and humidity sensor is disposed in the power distribution cabinet 1 and used for detecting the temperature and humidity in the power distribution cabinet 1, and as a preferred scheme, the temperature and humidity sensor is disposed above the power distribution cabinet 1 so as to detect the temperature and humidity in the power distribution cabinet 1; after the temperature and humidity sensor detects the temperature and humidity in the power distribution cabinet 1, the detection result is fed back to the control system, the control system controls the temperature and humidity adjusting device 5 to adjust nitrogen (refrigerant) entering the heat exchange tube body 3 from the conveying pipeline 4 according to the signal fed back by the temperature and humidity sensor, so that the effect of automatically regulating and controlling the temperature and humidity in the power distribution cabinet 1 is achieved, the temperature and humidity in the power distribution cabinet 1 meets the requirements of internal equipment, and the occurrence of safety accidents caused by tripping or short circuit of the power distribution cabinet 1 is avoided.
In this embodiment, the temperature and humidity control device 5 includes a temperature control valve 50, and the temperature control valve 50 is arranged on the conveying pipeline 4 and adjusts the nitrogen flow entering the heat exchange tube 3 according to the temperature value in the temperature detection device 2 detection power distribution cabinet 1. Also can understand, when switch board 1 equipment moves, temperature regulation control valve 50 carries out automatic control to the nitrogen flow that gets into heat exchange tube body 3 through the temperature measurement value of temperature and humidity sensor feedback to make switch board 1 reach the effect that keeps constant temperature in the distribution when the running state. In addition, the temperature and humidity control device 5 further comprises a humidity control valve 51, the humidity control valve 51 is arranged on the conveying pipeline 4 through a connecting pipeline 6, and the humidity control valve 51 regulates the nitrogen flow entering the heat exchange tube body 3 according to the humidity value in the temperature and humidity detection device 2 for detecting the power distribution cabinet 1. It can also be understood that, when the power distribution cabinet 1 stops operating, the humidity control valve 51 automatically controls the nitrogen flow entering the heat exchange tube 3 according to the humidity measurement value fed back by the temperature and humidity sensor, so that the power distribution cabinet 1 can keep constant humidity in power distribution when the power distribution cabinet stops operating.
In this embodiment, the temperature and humidity adjusting system further includes a nitrogen generating device 8 for generating nitrogen, and the nitrogen generating device 8 is communicated with the conveying pipeline 4, so that nitrogen generated by the nitrogen generating device 8 and used as a refrigerant enters the heat exchange tube body 3 through the conveying pipeline 4 to exchange heat with air in the power distribution cabinet 1. That is, it can be understood that the nitrogen source mentioned above is the nitrogen production device 8, the nitrogen production device 8 is the existing cryogenic air separation nitrogen production equipment, and of course, molecular sieve nitrogen production equipment, pressure swing adsorption nitrogen production equipment or membrane separation nitrogen production equipment can also be used. In addition, nitrogen generator 8 sets up outside switch board 1, namely the first end that is located the heat exchange tube body 3 in switch board 1 communicates with nitrogen generator 8 through foretell pipeline 4, and it can be known from this that foretell temperature and humidity adjusting device 5 also sets up outside switch board 1, avoids occupying the space of switch board 1.
In this embodiment, heat exchange tube 3 is the coil pipe, and the coil pipe is one kind and is spiral helicine pipe-line system, so can make the cold medium matter (nitrogen gas) of its inner chamber carry out more abundant of heat exchange with switch board 1, and the heat transfer effect is better. Certainly, in other embodiments, the heat exchange tube body 3 can also be bent to form a plurality of U-shaped loops communicated end to end, and the refrigerant medium (nitrogen) in the plurality of U-shaped loops exchanges heat with the power distribution cabinet 1, so that a sufficient heat exchange effect can be achieved, and therefore, no limitation is imposed on the heat exchange tube body.
In this embodiment, the regulation and control system of the present invention further includes an axial flow fan 100, the axial flow fan 100 is disposed on the ventilation structure 10, and the effect of accelerating the air discharge in the power distribution cabinet 1 can be achieved by the axial flow fan 100.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a humiture regulation and control system for switch board which characterized in that includes:
the ventilation structure (10) is arranged on the power distribution cabinet (1) and used for exhausting air in the power distribution cabinet (1);
the temperature and humidity detection device (2) is arranged in the power distribution cabinet (1), the temperature and humidity detection device (2) is used for detecting the temperature and humidity in the power distribution cabinet (1),
the heat exchange tube body (3) is arranged in the power distribution cabinet (1), and the heat exchange tube body (3) is communicated with a nitrogen source through a conveying pipeline (4), so that nitrogen output by the nitrogen source can enter the heat exchange tube body (3) to be used as a refrigerant to exchange heat with air in the power distribution cabinet (1);
temperature and humidity adjusting device (5), temperature and humidity adjusting device (5) set up in on pipeline (4) and according to temperature and humidity control in temperature and humidity detecting device (2) detection switch board (1) is followed pipeline (4) gets into the nitrogen flow of heat transfer body (3).
2. The temperature and humidity control system for the power distribution cabinet according to claim 1, characterized in that: temperature humidity control device (5) are including temperature regulation control valve (50), temperature regulation control valve (50) are located pipeline (4) and are detected the temperature value in switch board (1) according to temperature humidity detection device (2) and are adjusted the nitrogen flow who gets into heat transfer body (3).
3. The temperature and humidity control system for the power distribution cabinet according to claim 1, characterized in that: temperature humidity control device (5) are still including humidity control valve (51), humidity control valve (51) through connecting tube (6) set up in pipeline (4) are gone up and according to humidity value control entering in temperature humidity detection device (2) detection switch board (1) the nitrogen flow of heat transfer body (3).
4. The temperature and humidity control system for the power distribution cabinet according to claim 1, characterized in that: and the nitrogen production device (8) is used for generating nitrogen and is communicated with the conveying pipeline (4).
5. The temperature and humidity control system for the power distribution cabinet according to claim 4, characterized in that: the nitrogen making device (8) is arranged outside the power distribution cabinet (1).
6. The temperature and humidity control system for the power distribution cabinet according to claim 1, characterized in that: the fan is characterized by further comprising an axial flow fan (100), wherein the axial flow fan (100) is arranged on the ventilation structure (10).
7. The temperature and humidity control system for the power distribution cabinet according to claim 1, characterized in that: the heat exchange tube body (3) is a coil.
8. The temperature and humidity control system for the power distribution cabinet according to claim 1, characterized in that: the heat exchange tube body (3) is bent to form a plurality of U-shaped loops communicated end to end.
9. The temperature and humidity control system for the power distribution cabinet according to claim 1, characterized in that: the temperature and humidity detection device (2) comprises a temperature and humidity sensor for detecting the temperature and humidity in the power distribution cabinet (1).
10. The temperature and humidity control system for the power distribution cabinet according to claim 9, characterized in that: the temperature and humidity sensor is arranged above the inside of the power distribution cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695572.4U CN216774018U (en) | 2021-11-04 | 2021-11-04 | Temperature and humidity regulation and control system for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695572.4U CN216774018U (en) | 2021-11-04 | 2021-11-04 | Temperature and humidity regulation and control system for power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774018U true CN216774018U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122695572.4U Active CN216774018U (en) | 2021-11-04 | 2021-11-04 | Temperature and humidity regulation and control system for power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774018U (en) |
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2021
- 2021-11-04 CN CN202122695572.4U patent/CN216774018U/en active Active
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| GR01 | Patent grant | ||
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Address after: No. 27-28, 7th floor, building 12, Shenzhen Bay science and technology ecological park, No. 18, South Keji Road, high tech community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Haige Jingu Industrial Technology Co.,Ltd. Address before: No. 27-28, 7th floor, building 12, Shenzhen Bay science and technology ecological park, No. 18, South Keji Road, high tech community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN THRESHOLD INDUSTRIAL TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |