CN219960098U - Device for preventing internal short circuit of high-voltage reel box - Google Patents
Device for preventing internal short circuit of high-voltage reel box Download PDFInfo
- Publication number
- CN219960098U CN219960098U CN202320925409.9U CN202320925409U CN219960098U CN 219960098 U CN219960098 U CN 219960098U CN 202320925409 U CN202320925409 U CN 202320925409U CN 219960098 U CN219960098 U CN 219960098U
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- China
- Prior art keywords
- controller
- communication module
- dehumidifier
- wireless communication
- partial discharge
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Links
- 238000004891 communication Methods 0.000 claims abstract description 31
- 238000012806 monitoring device Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 abstract description 21
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a device for preventing internal short circuit of a high-voltage winding drum box, which comprises a partial discharge monitoring device, a controller, a first analog quantity wireless communication module, a second analog quantity wireless communication module, a dehumidifier and a drain pipe, wherein the partial discharge monitoring device, the second analog quantity wireless communication module and the dehumidifier are arranged in the high-voltage winding drum box, the partial discharge monitoring device and the dehumidifier are both connected with the second analog quantity wireless communication module, the controller and the first analog quantity wireless communication module are arranged outside the high-voltage winding drum box, the controller is connected with the first analog quantity wireless communication module, one end of the drain pipe is connected with the dehumidifier, and the other end of the drain pipe extends out of the high-voltage winding drum box. The device can ensure that the inside of the high-voltage reel box is not condensed, and prevent short-circuit accidents caused by internal condensation or insulation aging partial discharge.
Description
Technical Field
The utility model belongs to the technical field of operation protection devices of high-voltage equipment power systems, and particularly relates to a device for preventing internal short circuit of a high-voltage winding drum box.
Background
The crane is located the harbour pier front, and its inside easy wet of high-pressure reel case leads to high-voltage cable terminal department dewing, creepage, causes the arc short circuit trouble of drawing between the high-voltage cable, has influenced system security, and inside humiture of control high-pressure reel and its importance for this reason. In addition, partial discharge can be generated due to equipment insulation aging, and short-circuit arc discharge can be caused, so that the insulation condition monitoring in the high-voltage winding drum box is very important.
Disclosure of Invention
The technical problems to be solved are as follows: in view of the above technical problems, the present utility model provides a device for preventing short circuit inside a high-voltage winding drum box, which can control the temperature and humidity inside the high-voltage winding drum box, detect insulation conditions, ensure that the inside of the high-voltage winding drum box is not dewed, and prevent short circuit accidents caused by internal dewing or insulation aging partial discharge.
The technical scheme is as follows: the utility model provides a prevent device of high pressure reel case internal short circuit, includes partial discharge monitoring devices, controller, first analog quantity wireless communication module, second analog quantity wireless communication module, dehumidifier and drain pipe, partial discharge monitoring devices, second analog quantity wireless communication module and dehumidifier set up in the inside of high pressure reel case, and partial discharge monitoring devices and dehumidifier all are connected with second analog quantity wireless communication module, controller and first analog quantity wireless communication module set up in the outside of high pressure reel case, and the controller is connected with first analog quantity wireless communication module, drain pipe one end is connected with the dehumidifier, and the other end extends high pressure reel case.
Preferably, the dehumidifier is a miniature intelligent dehumidifier, and the start and stop of the dehumidifier are controlled by the controller.
Preferably, the controller is provided with an alarm device.
Preferably, the controller is a temperature and humidity controller.
Preferably, the device for preventing the short circuit inside the high-voltage reel box further comprises a knife switch, wherein the knife switch is arranged on the high-voltage cable inside the high-voltage reel box.
Further, the knife switch is controlled to be opened and closed through the controller.
The beneficial effects are that: the device provided by the utility model realizes temperature and humidity control and insulation monitoring of the high-voltage winding drum by utilizing the miniature intelligent dehumidifier with temperature and humidity monitoring, the partial discharge monitoring device, the analog signal wireless communication module and the controller, ensures that the inside of the high-voltage winding drum box is not dewed, and prevents short-circuit accidents caused by internal dewing or insulation aging partial discharge.
Drawings
FIG. 1 is a schematic view of an apparatus for preventing internal short circuit of a high pressure reel tank according to the present utility model;
number in the figure: 1. the high-voltage winding drum box, 2, partial discharge monitoring devices, 3, a controller, 4, a first analog quantity wireless communication module, 5, a second analog quantity wireless communication module, 6, a drain pipe, 7, a dehumidifier, 8, a high-voltage winding drum, 9, a binding post, 10, a high-voltage cable, 11 and a disconnecting link.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a device for preventing internal short circuit of a high-voltage winding drum box comprises a partial discharge monitoring device 2, a controller 3, a first analog quantity wireless communication module 4, a second analog quantity wireless communication module 5, a dehumidifier 7 and a drain pipe 6, wherein the partial discharge monitoring device 2, the second analog quantity wireless communication module 5 and the dehumidifier 7 are arranged in the high-voltage winding drum box 1, the partial discharge monitoring device 2 and the dehumidifier 7 are both connected with the second analog quantity wireless communication module 5, the controller 3 and the first analog quantity wireless communication module 4 are arranged outside the high-voltage winding drum box 1, the controller 3 is connected with the first analog quantity wireless communication module 4, one end of the drain pipe 6 is connected with the dehumidifier 7, the other end of the drain pipe extends out of the high-voltage winding drum box 1, the first analog quantity wireless communication module 4 is used as a transmitting end of the wireless converter, the second analog quantity wireless communication module 5 is used as a receiving end of the wireless converter, and the two wireless connections transmit data. The dehumidifier 7 is a miniature intelligent dehumidifier, and is controlled to start and stop by the controller 3. The controller 3 is provided with alarm means. The controller 3 is a temperature and humidity controller.
The device for preventing the internal short circuit of the high-voltage winding drum box further comprises a disconnecting link 11, wherein the disconnecting link 11 is arranged on a high-voltage cable 10 inside the high-voltage winding drum box 1, and the disconnecting link 11 is controlled to be opened and closed by the controller 3. The high-voltage cable 10 is connected with the high-voltage winding drum 8 inside the high-voltage winding drum box 1 through a binding post 9.
The miniature intelligent dehumidifier monitors the temperature and humidity inside the high-pressure reel box 1 in real time, monitoring data are transmitted to the controller 3 through an analog quantity wireless communication module (purchased from Shenzhen Mo Lixiang technology limited company), the controller 3 judges whether condensation is generated inside the high-pressure reel box 1 through the temperature and humidity data, if the controller 3 judges that condensation is generated inside the high-pressure reel box 1, an alarm device is started to remind maintenance personnel to maintain the high-pressure reel box, meanwhile, a dehumidification mode of the miniature intelligent dehumidifier is started, water vapor inside the high-pressure reel box 1 is discharged out of the box body through the drain pipe 6 until the humidity inside the high-pressure reel box 1 is reduced below a dew point, and the fact that condensation is not generated inside the high-pressure reel box 1 is ensured;
the partial discharge monitoring device 2 transmits the discharge data in the high-voltage reel box 1 to the controller 3 through the analog wireless communication module, when the controller 3 judges whether the discharge data exceeds a safety value (generally 30PC and can be set according to actual conditions), and when the discharge data exceeds the safety value, the controller 3 starts an alarm device to remind maintenance personnel to check and process, and simultaneously, the knife switch 11 is started, the high-voltage power supply is cut off, so that safety is ensured.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. The utility model provides a device for preventing high-pressure reel case internal short circuit which characterized in that: including partial discharge monitoring devices, controller, first analog radio communication module, second analog radio communication module, dehumidifier and drain pipe, partial discharge monitoring devices, second analog radio communication module and dehumidifier set up the inside at the high-pressure reel case, and partial discharge monitoring devices and dehumidifier all are connected with second analog radio communication module, controller and first analog radio communication module set up the outside at the high-pressure reel case, and the controller is connected with first analog radio communication module, drain pipe one end is connected with the dehumidifier, and the other end extends the high-pressure reel case.
2. A device for preventing internal shorting of high voltage reel boxes as recited in claim 1, wherein: the dehumidifier is a miniature intelligent dehumidifier, and is controlled to start and stop by the controller.
3. A device for preventing internal shorting of high voltage reel boxes as recited in claim 1, wherein: the controller is provided with an alarm device.
4. A device for preventing internal shorting of high voltage reel boxes as recited in claim 1, wherein: the controller is a temperature and humidity controller.
5. The apparatus for preventing internal shorting of a high voltage reel box as recited in claim 1, further comprising a knife switch disposed on the high voltage cable inside the high voltage reel box.
6. A device for preventing internal shorting of a high voltage spool box as claimed in claim 5, wherein: the knife switch is controlled to be opened and closed by the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925409.9U CN219960098U (en) | 2023-04-23 | 2023-04-23 | Device for preventing internal short circuit of high-voltage reel box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925409.9U CN219960098U (en) | 2023-04-23 | 2023-04-23 | Device for preventing internal short circuit of high-voltage reel box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219960098U true CN219960098U (en) | 2023-11-03 |
Family
ID=88552591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320925409.9U Active CN219960098U (en) | 2023-04-23 | 2023-04-23 | Device for preventing internal short circuit of high-voltage reel box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219960098U (en) |
-
2023
- 2023-04-23 CN CN202320925409.9U patent/CN219960098U/en active Active
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