CN221467091U - Novel switch cabinet thermoelectric convection dehumidifying device - Google Patents
Novel switch cabinet thermoelectric convection dehumidifying device Download PDFInfo
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- CN221467091U CN221467091U CN202322989621.4U CN202322989621U CN221467091U CN 221467091 U CN221467091 U CN 221467091U CN 202322989621 U CN202322989621 U CN 202322989621U CN 221467091 U CN221467091 U CN 221467091U
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- heating device
- switch cabinet
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- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 238000009423 ventilation Methods 0.000 claims abstract description 19
- 238000007791 dehumidification Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000002516 radical scavenger Substances 0.000 claims 3
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model discloses a novel switch cabinet thermoelectric convection dehumidifying device, which relates to the technical field of switch cabinets and comprises a cabinet body, wherein the cabinet body comprises a cable chamber, a bus chamber, a protection chamber and a circuit breaker chamber, a temperature and humidity sensor is arranged at the bottom of the bus chamber, a heating device is arranged at the bottom of the cable chamber, a heat exchanger is arranged on the heating device, an exhaust fan is arranged on the heat exchanger, a ventilation fan is arranged on one side, close to the heating device, of the cable chamber, an exhaust fan is arranged at the top of the cable chamber, and the heating device is matched with the ventilation fan and the exhaust fan to form an air blowing and sucking structure of the convection ventilation fan; the utility model has the advantages of rapid dehumidification, high efficiency, large capacity and high safety performance, and can effectively reduce the air humidity in the high-voltage switch cabinet and avoid the condensation of moist air in the switch cabinet.
Description
Technical Field
The utility model relates to the technical field of switch cabinets, in particular to a novel switch cabinet thermoelectric convection dehumidifying device.
Background
The high-voltage switch cabinet is widely applied to power equipment of urban power supply and distribution systems, and the normal running state of the high-voltage switch cabinet can be influenced by the change of the temperature and the humidity of the internal environment, the completeness of air tightness and the like. The high-voltage switch cabinet is generally divided into 4 chambers, namely a bus chamber, a breaker chamber, a cable chamber and a protection chamber, wherein the cable chamber is connected with the ground or a cable groove, and the main cable and the secondary cable are arranged in the cable groove through the cable chamber.
The existing high-voltage switch cabinet incoming lines all adopt a cable pit incoming line and switch cabinet ground arrangement mode, a switch cabinet chamber is communicated with outdoor atmosphere, the indoor and outdoor temperature difference change is large, the cable pit is underground, and the temperature in the cable pit is more influenced by soil temperature and is less in change. However, due to the fact that moisture in the bottom and the wall of the cable trench is subjected to pervaporation, the relative humidity of air in the trench is high, the difference between the dew point temperature and the temperature of the air in the trench is small, the temperature in a switch room is usually 9-12 ℃, and when the temperature in the switch room is lower than 10 ℃ in winter, the moist air in the cable trench forms condensation on the inner side of a cover plate of the cable trench and a bottom plate of the switch cabinet. If the switch cabinet is in such a humid environment for a long time, various malignant short-circuit faults including single-phase short-circuit, two-phase short-circuit and even three-phase short-circuit are extremely easy to occur in the cabinet body. In addition, long-term damp can lead to the insulation performance inside the cabinet body to gradually decrease, so that various insulation defects are gradually exposed and finally develop into faults such as insulation breakdown, creepage along the surface and the like, thereby various serious grounding accidents such as discharging, flashover, burnout and the like are caused, the stability of the whole power supply and distribution system is seriously influenced, the power supply reliability level of the whole system is reduced, and the operation and power supply of the power system are not ensured safely.
Based on the above, the application provides a novel switch cabinet thermoelectric convection dehumidifying device for solving the problems.
Disclosure of utility model
The utility model aims to provide a novel switch cabinet thermoelectric convection dehumidifying device which can effectively remove the phenomenon of damp condensation in a switch cabinet, improve the internal operating environment of the switch cabinet and provide effective guarantee for stable operation and safe power supply of a power system.
Embodiments of the present utility model are implemented as follows:
The embodiment of the application provides a novel switch cabinet thermoelectric convection dehumidifying device, which comprises a cabinet body, wherein the cabinet body comprises a cable chamber, a bus chamber, a protection chamber and a breaker chamber, the cable chamber and the breaker chamber are adjacently arranged at two sides in the cabinet body, the bus chamber is arranged at one side of the cable chamber, the protection chamber is adjacent to the bus chamber and is arranged right above the breaker chamber, a temperature and humidity sensor is arranged at the bottom of the bus chamber, a heating device is arranged at the bottom of the cable chamber, a heat exchanger is arranged on the heating device, an exhaust fan is arranged on one side, close to the heating device, of the cable chamber, a ventilating fan is arranged at the top of the cable chamber, and the heating device is matched with the ventilating fan and the ventilating fan to form an induced draft structure of a convection ventilating fan.
Further, the temperature and humidity sensor is electrically connected with the heating device to control the starting and closing of the heating device.
Further, the heating device adopts EJR aluminum alloy heater.
Further, a cable groove is formed in the bottom of the cable chamber.
Further, the innermost side of the cabinet body is provided with a heat-insulating plate, the outer side of the heat-insulating plate is provided with a fixedly installed dehumidifying plate, the outer surface of the dehumidifying plate is paved with a layer of dampproof pad, the dehumidifying plate is uniformly embedded and sleeved with an electric heating copper sheet, and the electric heating copper sheet is connected with the heating device through a conductive copper wire.
Further, the cable chamber, the bus chamber, the protection chamber and the breaker chamber are separated by a partition plate, and a ventilation groove is formed in the partition plate.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:
(1) According to the novel switch cabinet thermoelectric convection dehumidifying device, through the convection ventilation fan matched with EJR series of aluminum alloy heaters, moist air in the switch cabinet is discharged, and the air in the switch cabinet is kept dry;
(2) The temperature and humidity sensor is arranged to set the upper limit and the lower limit of the temperature and the humidity at will, and the heater and the convection ventilation fan can be controlled to work, so that the real-time control of the temperature and the humidity in the switch cabinet is realized, the efficiency is improved, the air humidity in the high-voltage switch cabinet is effectively controlled, and the air is kept dry.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a novel switch cabinet thermoelectric convection dehumidifying device according to the present utility model;
Fig. 2 is a schematic view of the inner wall structure of the cabinet.
Icon: 1. a cabinet body; 11. a thermal insulation board; 12. a dehumidifying plate; 13. a moisture-proof pad; 14. electrically heating the copper sheet; 2. a cable chamber; 21. a heating device; 211 a heat exchanger; 212. an exhaust fan; 22. a ventilator; 23. an exhaust fan; 3. a bus bar chamber; 4. a protection chamber; 5. a breaker chamber; 6. a temperature and humidity sensor; 7. a cable trough; 8. a partition board.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Examples
Referring to fig. 1, fig. 1 is a schematic structural diagram of a novel thermoelectric convection dehumidifying device for a switchgear.
The embodiment of the application provides a novel switch cabinet thermoelectric convection dehumidifying device, which comprises a cabinet body 1, wherein the cabinet body 1 comprises a cable chamber 2, a bus chamber 3, a protection chamber 4 and a breaker chamber 5, the cable chamber 2 and the breaker chamber 5 are adjacently arranged at two sides in the cabinet body 1, the bus chamber 3 is arranged at one side of the cable chamber 2, the protection chamber 4 is adjacent to the bus chamber 3 and is arranged right above the breaker chamber 5, a temperature and humidity sensor 6 is arranged at the bottom of the bus chamber 3, a heating device 21 is arranged at the bottom of the cable chamber 2, a heat exchanger 211 is arranged on the heating device 21, an exhaust fan 212 is arranged on the heat exchanger 211, a ventilation fan 22 is arranged at one side, close to the heating device 21, of the cable chamber 2, an exhaust fan 23 is arranged at the top of the cable chamber 2, and the heating device 21 is matched with the ventilation fan 22 and the exhaust fan 23 to form an air blowing and sucking structure of the convection ventilation fan.
As a preferred embodiment, the temperature and humidity sensor 6 is electrically connected to the heating device 21 to control the on and off of the heating device 21.
The temperature and humidity sensor 6 adopted in this embodiment is a temperature and humidity sensor with 1-4 paths, 1-4 paths control output contacts, the temperature and humidity are displayed in real time by a nixie tube, and are automatically switched to 1-n paths of temperature and humidity circulation display every 30 seconds during multi-path display, so that the upper limit and the lower limit of the temperature and humidity can be set at will, the power failure can not lose the parameter humidity to reach the preset value degree or the temperature is severely changed, when condensation is possibly generated, the temperature and humidity sensor 6 drives the heating device 21 and the convection ventilation fan (the ventilation fan 22 and the ventilation fan 23) to work, after the condensation disappears, the heating device 21 and the convection ventilation fan stop heating, the temperature and humidity sensor 6 returns to the detection state, and when the heating device 21 and the convection ventilation fan are disconnected, the temperature and humidity sensor 6 sends a disconnection alarm signal.
Therefore, when the temperature and humidity in the high-voltage switch cabinet exceeds a preset threshold value, the temperature and humidity sensor 6 is driven by feedback data to drive the convection ventilation fan, the heating device 21 and the heat exchanger 211 on the heating device 21, the exhaust fan 212 is matched, the gas flow in the switch cabinet is increased, dry air is emitted, the humid air in the switch cabinet is rapidly discharged, the stability of the ambient temperature and humidity in the switch cabinet is ensured, the humid air discharge rate in the high-voltage switch cabinet is improved through the convection ventilation fan, and the dry environment in the switch cabinet is ensured.
As a preferred embodiment, the heating device 21 employs EJR aluminum alloy heaters.
The EJR series aluminum alloy heater adopted by the utility model is a novel electric heater specially designed for low-temperature heating and damp-proof dehumidification of electrical equipment, and the heater adopts a special aluminum alloy heat dissipation plate section bar and a high-quality nichrome heating wire, and has the characteristics of long service life, good heat dissipation effect, convenience in installation and the like.
As a preferred embodiment, the bottom of the cable chamber 2 is provided with a cable tray 7.
Thereby, the cable can be stored conveniently through the cable tray 7.
As a preferred embodiment, the cable chamber 2, the bus bar chamber 3, the protection chamber 4 and the breaker chamber 5 are separated by a partition 8, and a ventilation groove is formed in the partition 8.
Referring to fig. 2, fig. 2 is a schematic view of the inner wall structure of the cabinet 1 shown in fig. 2.
As a preferred embodiment, the innermost side of the cabinet body 1 is provided with a heat insulation board 11, the outer side of the heat insulation board 11 is provided with a fixedly installed dehumidification board 12, the outer surface of the dehumidification board 12 is paved with a layer of dampproof pad 13, the dehumidification board 12 is uniformly embedded and sleeved with an electric heating copper sheet 14, and the electric heating copper sheet 14 is connected with a heating device 21 through conductive copper wires.
Therefore, the heat insulation plate 11, the dehumidification plate 12, the moistureproof pad 13 and the electric heating copper sheet 14 are matched, and the heating device 21 can be used for guaranteeing the drying of the air in the high-voltage switch cabinet.
It will be appreciated that the configuration shown in the figures is illustrative only and that a new type of switchgear thermoelectric dehumidification device may also include more or fewer components than shown in the figures or have a different configuration than shown in the figures.
In summary, the embodiment of the utility model provides a novel switch cabinet thermoelectric convection dehumidifying device, which is characterized in that a temperature and humidity sensor is arranged in a switch cabinet to monitor indoor temperature and humidity in real time, when the temperature and humidity exceed a preset threshold value, feedback data are fed back to a temperature and humidity controller to drive a heating device and a convection ventilation fan, so that the air flow in the switch cabinet is increased, humid air in the cabinet is rapidly discharged, the stability of the temperature and humidity in the environment in the switch cabinet is ensured, the phenomenon of condensation caused by the humidity in the switch cabinet is effectively eliminated, the internal operation environment of the switch cabinet is improved, and effective guarantee is provided for stable operation and safe power supply of a power system.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. 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 novel cubical switchboard thermoelectric convection removes damp device, includes the cabinet body (1), the cabinet body (1) includes cable chamber (2), busbar room (3), protection room (4) and circuit breaker room (5), its characterized in that: the utility model discloses a novel intelligent cabinet temperature and humidity sensor, including cabinet body (1), cable chamber (2) and circuit breaker room (5), the cable chamber (2) with circuit breaker room (5) adjacent set up in the inside both sides of cabinet body (1), busbar room (3) set up in one side of cable chamber (2), protection room (4) with busbar room (3) are adjacent, and set up in directly over circuit breaker room (5), the bottom of busbar room (3) is provided with temperature and humidity sensor (6), the bottom of cable chamber (2) is provided with heating device (21), be provided with heat exchanger (211) on heating device (21), be provided with air exhauster (212) on heat exchanger (211), one side that cable chamber (2) are close to heating device (21) is provided with scavenger fan (22), the top of cable chamber (2) is provided with scavenger fan (23), heating device (21) with scavenger fan (22) with the induced draft structure of exhaust fan (23) cooperatees in order to form convection.
2. The novel switch cabinet thermoelectric convection dehumidifying device according to claim 1, wherein the temperature and humidity sensor (6) is electrically connected with the heating device (21) to control the starting and closing of the heating device (21).
3. A novel switchgear cabinet thermoelectric convection dehumidification device as claimed in claim 2, wherein the heating means (21) is a EJR aluminium alloy heater.
4. The novel switch cabinet thermoelectric convection dehumidifying device according to claim 1, wherein a cable groove (7) is arranged at the bottom of the cable chamber (2).
5. The novel switch cabinet thermoelectric convection dehumidifying device according to claim 1, wherein an insulation board (11) is arranged at the innermost side of the cabinet body (1), a dehumidifying board (12) fixedly installed is arranged at the outer side of the insulation board (11), a layer of dampproof pad (13) is paved on the outer surface of the dehumidifying board (12), an electric heating copper sheet (14) is uniformly embedded in the dehumidifying board (12), and the electric heating copper sheet (14) is connected with the heating device (21) through conductive copper wires.
6. The novel switch cabinet thermoelectric convection dehumidifying device according to claim 1, wherein the cable chamber (2), the bus chamber (3), the protection chamber (4) and the breaker chamber (5) are separated by a partition plate (8), and a ventilation groove is formed in the partition plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322989621.4U CN221467091U (en) | 2023-11-07 | 2023-11-07 | Novel switch cabinet thermoelectric convection dehumidifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322989621.4U CN221467091U (en) | 2023-11-07 | 2023-11-07 | Novel switch cabinet thermoelectric convection dehumidifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221467091U true CN221467091U (en) | 2024-08-02 |
Family
ID=92338981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322989621.4U Active CN221467091U (en) | 2023-11-07 | 2023-11-07 | Novel switch cabinet thermoelectric convection dehumidifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221467091U (en) |
-
2023
- 2023-11-07 CN CN202322989621.4U patent/CN221467091U/en active Active
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