CN218158205U - Dedicated pulse current partial discharge monitoring devices of high-voltage board - Google Patents
Dedicated pulse current partial discharge monitoring devices of high-voltage board Download PDFInfo
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- CN218158205U CN218158205U CN202222202645.6U CN202222202645U CN218158205U CN 218158205 U CN218158205 U CN 218158205U CN 202222202645 U CN202222202645 U CN 202222202645U CN 218158205 U CN218158205 U CN 218158205U
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- 230000036961 partial effect Effects 0.000 title claims abstract description 24
- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 230000005501 phase interface Effects 0.000 claims description 8
- 230000002452 interceptive effect Effects 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims 1
- 239000012212 insulator Substances 0.000 abstract description 4
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a special pulse current partial discharge monitoring device for a high-voltage cabinet, which comprises a device shell, wherein positioning plates are respectively arranged at two sides of the device shell, an elastic plate is arranged at the rear end of the device shell, a clamping plate is arranged at the front end of the elastic plate, mounting grooves are formed in two sides of the device shell, a spring is arranged in each mounting groove, the end part of each spring is connected with a movable plate, a limiting ring is arranged at the end part of each mounting groove, each movable plate is positioned in each mounting groove, a supporting rod is connected to the end part of each movable plate, each supporting rod penetrates through each limiting ring, and a supporting plate is connected to the end part of each supporting rod; the device shell is sleeved with a protective shell. The utility model discloses use the original insulator equivalent capacitor of cubical switchboard to monitor, adjust the elastic plate through spring and backup pad for the elastic plate is convenient for adjusting position and carries out the block to the block, is equipped with protective housing and realizes installing the casing installation.
Description
Technical Field
The utility model relates to a monitoring devices technical field specifically is a monitoring devices is put in dedicated pulse current office of high-voltage board.
Background
The pulse current method is a commonly accepted and widely used method for testing the partial discharge capacity, and the result is that the apparent discharge capacity in pC unit is a quantitative measurement, which can objectively reflect the insulation state of the electrical equipment. Each partial discharge phenomenon is accompanied by the neutralization of positive and negative charges and is represented by a current pulse with a very steep rising edge, and the pulse current method calculates the magnitude of the partial discharge quantity by measuring the magnitude of the pulse current. The partial discharge test based on the pulse current method is generally used in the type test, the factory test and other off-line tests of electrical equipment, and the test is realized through a controllable boost measurement system without partial discharge. And because various forms of electromagnetic interference exist in the actual operation equipment field, the voltage boosting test condition without partial discharge is not provided compared with that in the offline test, so that the electrification or online partial discharge test based on the pulse current method is less in application.
The utility model discloses an anti-interference technique of making an uproar disappears that advanced software and hardware combined together has realized the application in operation high tension switchgear equipment. The technology is improved on the basis of a pulse current method, and the insulator type capacitance sensor sharing the electrified display device of the high-voltage switch cabinet is used for monitoring on-line partial discharge and is convenient to mount and fix the display device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a monitoring devices is put in dedicated pulse current office of high-voltage board, the insulator formula capacitive sensor who has the electrified display device of sharing high tension switchgear carries out online partial discharge monitoring to be convenient for install advantages such as fixed to display device, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a special pulse current partial discharge monitoring device for a high-voltage cabinet comprises a device shell, wherein an interactive panel is arranged at the front end of the device shell, positioning plates are fixedly arranged on two sides of the device shell respectively, an elastic plate is fixedly arranged at the rear end of the device shell, a clamping plate is fixedly arranged at the front end of the elastic plate, mounting grooves are formed in two sides of the device shell, springs are mounted in the mounting grooves, movable plates are fixedly connected to the end portions of the springs, limiting rings are fixedly mounted at the end portions of the mounting grooves, the movable plates are located in the mounting grooves, supporting rods are fixedly connected to the end portions of the movable plates, the supporting rods penetrate through the limiting rings, supporting plates are fixedly connected to the end portions of the supporting rods, and the supporting plates are attached to the lower ends of the clamping plates;
the device is characterized in that a protective shell is sleeved on the shell, and the end part of the protective shell is fixedly connected with a mounting ring.
Preferably, the mounting ring is fixedly mounted on the inner side of the cabinet door through a locking bolt, a wiring hole is formed in the tail of the protective shell, first heat dissipation holes are formed in the upper portion and the lower portion of the protective shell, and second heat dissipation holes are formed in the left side and the right side of the protective shell.
Preferably, the interactive panel is provided with an operation indicator lamp in an embedded mode, the lower portion of the operation indicator lamp is provided with a monitoring display screen, one side of the monitoring display screen is provided with a control key, one side of the interactive panel is provided with a nuclear phase interface, and the upper portion of the nuclear phase interface is provided with an electrified indicator lamp.
Preferably, the front end of the cabinet door is fixedly provided with a handle, and one side of the cabinet door is movably connected with the electrical equipment cabinet through a hinged hinge.
Preferably, the upper part of the tail end of the device shell is fixedly provided with a plurality of wiring ends, one side of each wiring end is provided with a USB interface, the lower part of the tail end of the device shell is provided with an antenna connector, and one side of each antenna connector is provided with a plug connector.
Preferably, an installation cavity is formed in the cabinet door, the device shell is embedded in the installation cavity, a clamping block is fixedly arranged on the inner side of the installation cavity, and the clamping block is connected between the positioning plate and the clamping plate in a clamping mode.
Preferably, the elastic plate is provided with a cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses gather the three-phase signal simultaneously, the analysis, handle, filter out higher harmonic interference and other common mode interference in with the electric wire netting through hardware algorithm, use the original insulator equivalent capacitor of cubical switchboard to monitor, need not add capacitive sensor again, installation cost and wiring have been reduced, adopt the PD signal generator of standard to carry out online calibration, can eliminate the influence of the inside various equivalent parameters of cubical switchboard through online calibration, and then guarantee the precision that detects, and realize adjusting the elastic plate through spring and backup pad, make the elastic plate be convenient for adjusting position and realize carrying out the block to the block of block, it is fixed to the installation of device casing to accomplish, and be equipped with protective housing and realize carrying out fixed mounting to the device casing, keep fixed mounting's fixed stability.
Drawings
Fig. 1 is a schematic front end structure diagram of the present invention;
fig. 2 is a schematic diagram of the rear end mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the device housing of the present invention;
fig. 4 is a schematic cross-sectional view taken at a in fig. 3 according to the present invention.
In the figure: 1. a device housing; 2. an interactive panel; 3. positioning a plate; 4. a clamping block; 5. an elastic plate; 6. a chucking plate; 7. mounting grooves; 8. a spring; 9. moving the plate; 10. a limiting ring; 11. a support bar; 12. a support plate; 13. a protective housing; 14. a mounting ring; 15. a locking bolt; 16. a cabinet door; 17. a handle; 18. an operation indicator light; 19. monitoring a display screen; 20. a control key; 21. a nuclear phase interface; 22. a live indicator light; 23. a first heat dissipation hole; 24. a second heat dissipation hole; 25. a wiring hole; 26. a USB interface; 27. a terminal; 28. an antenna terminal; 29. a plug-in connector; 30. a cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a special pulse current partial discharge monitoring device for a high-voltage cabinet comprises a device shell 1, wherein an interactive panel 2 is arranged at the front end of the device shell 1, positioning plates 3 are fixedly arranged on two sides of the device shell 1 respectively, an elastic plate 5 is fixedly arranged at the rear end of the device shell 1, a clamping plate 6 is fixedly arranged at the front end of the elastic plate 5, mounting grooves 7 are formed in two sides of the device shell 1, springs 8 are mounted in the mounting grooves 7, a moving plate 9 is fixedly connected to the end portions of the springs 8, a limiting ring 10 is fixedly mounted at the end portions of the mounting grooves 7, the moving plate 9 is located in the mounting grooves 7, supporting rods 11 are fixedly connected to the end portions of the moving plate 9, the supporting rods 11 penetrate through the limiting ring 10, supporting plates 12 are fixedly connected to the end portions of the supporting rods 11, and the supporting plates 12 are attached to the lower ends of the clamping plate 6;
the device shell 1 is sleeved with a protective shell 13, and the end part of the protective shell 13 is fixedly connected with a mounting ring 14.
In this embodiment, preferably, the mounting ring 14 is fixedly mounted on the inner side of the cabinet door 16 through the locking bolt 15, the wiring hole 25 is formed at the tail of the protective casing 13, the first heat dissipation holes 23 are formed in the upper portion and the lower portion of the protective casing 13, the second heat dissipation holes 24 are formed in the left side and the right side of the protective casing 13, the mounting ring 14 is fixedly mounted through the locking bolt 15, the first heat dissipation holes 23 and the second heat dissipation holes 24 are set to facilitate heat dissipation of the device casing 1, and the wiring hole 25 is set to facilitate threading of a terminal.
In this embodiment, it is preferred, inlay on the mutual panel 2 and install operation pilot lamp 18, the lower part of operation pilot lamp 18 is equipped with monitoring display screen 19, one side of monitoring display screen 19 is equipped with control button 20, nuclear phase interface 21 has been seted up to one side of mutual panel 2, the upper portion of nuclear phase interface 21 is equipped with electrified pilot lamp 22, and operation pilot lamp 18 is convenient for realize showing running state, and monitoring display screen 19 is convenient for realize showing the parameter, and nuclear phase interface 21 and electrified pilot lamp 22 are convenient for realize connecting and instructing the monitoring of three-phase electricity.
In this embodiment, preferably, a handle 17 is fixedly mounted at the front end of the cabinet door 16, one side of the cabinet door 16 is movably connected with the electrical equipment cabinet through a hinged hinge, and the opening and closing operation of the cabinet door 16 is conveniently realized by setting the handle 17.
In this embodiment, preferably, a plurality of terminals 27 are fixedly mounted on an upper portion of the tail end of the device housing 1, a USB interface 26 is disposed on one side of the terminals 27, an antenna connector 28 is disposed on a lower portion of the tail end of the device housing 1, a plug connector 29 is disposed on one side of the antenna connector 28, and the terminals 27, the USB interface 26, the antenna connector 28, and the plug connector 29 are set to facilitate connection of devices and connection of three-phase power and a ground terminal.
In this embodiment, preferably, an installation cavity is formed in the cabinet door 16, the device housing 1 is mounted in the installation cavity in an embedded manner, the clamping block 4 is fixedly arranged on the inner side of the installation cavity, the clamping block 4 is connected between the positioning plate 3 and the clamping plate 6 in a clamped manner, the device housing 1 is mounted on the cabinet door 16 in an embedded manner, operation is facilitated, and the clamping block 4 is clamped between the positioning plate 3 and the clamping plate 6, so that the device housing 1 is locked.
In this embodiment, preferably, the elastic plate 5 is provided with a cavity 30, which facilitates the pressing adjustment of the elastic plate 5.
The structure principle is as follows: when the device shell 1 is used, the device shell 1 is mounted on a cabinet door 16 in an embedded mode, the clamping block 4 is connected between the positioning plate 3 and the clamping plate 6 in a clamped mode, the clamping block 4 is slowly extruded on the elastic plate 5 when the clamping block 4 is clamped, the elastic plate 5 is stressed, the supporting plate 12 and the supporting rod 11 are compressed, the clamping block 4 is stably connected between the positioning plate 3 and the clamping plate 6 in a clamped mode, the elastic plate 5 is manually pressed down when the device shell 1 is dismounted, the supporting plate 12 and the supporting rod 11 are contracted, the clamping block 4 is convenient to fall off between the positioning plate 3 and the clamping plate 6 and is convenient to separate, the device shell 1 is dismounted, and when the device shell 1 is mounted, the protective shell 13 is mounted on the inner side of the cabinet door 16 through the mounting ring 14 and the locking bolt 15, and the device shell 1 is protected;
and when the detection is carried out, the steps are as follows:
firstly: opening upper computer software of the partial discharge online monitoring system, entering a communication setting interface, selecting a required serial port number, setting other parameters in a default mode, clicking communication test, if the interface has communication success, the communication connection is successful, and clicking confirmation, if the interface has communication request, the communication connection is failed; the reset key is clicked, so that the reset function of the equipment can be realized;
secondly, the method comprises the following steps: entering a partial discharge online monitoring system, clicking a menu bar for 'phase image measurement', selecting a PRPD spectrogram, and entering the PRPD spectrogram; firstly creating a blank doc document, clicking an interface file storage path to the doc document, and finally storing data into a folder where the document is located in a PRPD spectrogram form; setting an operation period and a storage period, if the set values are 2 and 20, indicating that the spectrogram only runs for 20 alternating current periods, and stopping the spectrogram statistics by the upper computer after the spectrogram runs for 20 alternating current periods; if the operation needs to be suspended, clicking a stop button at the lower right corner of the interface; the partial discharge data is stored for 2 alternating current periods (19 th alternating current period and 20 th alternating current period respectively); clicking a 'selection channel' to start map statistics; if the operation needs to be suspended, clicking the 'stop button' in the lower right corner of the interface to finish the atlas statistics.
Thirdly, the steps of: entering a comprehensive online detection system, clicking a menu bar ' parameter configuration ' to enter a ' partial discharge parameter configuration ' interface, clicking ' reading lower computer parameter reading ', reading a current parameter configuration value of equipment, ' 485-ID ' in all channels ' represents an equipment address of the equipment, clicking ' channel configuration ' to enter a parameter interface, wherein alarm delay time and alarm threshold related parameters of each channel are arranged in the parameter interface; if the parameter value needs to be changed, the parameter value to be changed is input, and the 'write-in lower computer parameter' is clicked to complete parameter change configuration.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a monitoring devices is put in dedicated pulse current office of high-voltage board, includes device casing (1), its characterized in that: the device is characterized in that an interaction panel (2) is arranged at the front end of a shell (1), positioning plates (3) are fixedly mounted on two sides of the shell (1) respectively, an elastic plate (5) is fixedly arranged at the rear end of the shell (1), a clamping plate (6) is fixedly arranged at the front end of the elastic plate (5), mounting grooves (7) are formed in two sides of the shell (1), springs (8) are mounted inside the mounting grooves (7), a movable plate (9) is fixedly connected to the end portions of the springs (8), a limiting ring (10) is fixedly mounted at the end portions of the mounting grooves (7), the movable plate (9) is located inside the mounting grooves (7), a supporting rod (11) is fixedly connected to the end portions of the movable plate (9), the supporting rod (11) penetrates through the limiting ring (10), a supporting plate (12) is fixedly connected to the end portions of the supporting rod (11), and the supporting plate (12) is attached to the lower end of the clamping plate (6);
the device is characterized in that a protective shell (13) is sleeved on the shell (1), and the end part of the protective shell (13) is fixedly connected with a mounting ring (14).
2. The pulse current partial discharge monitoring device special for the high-voltage cabinet according to claim 1, wherein: the mounting ring (14) is fixedly mounted on the inner side of the cabinet door (16) through a locking bolt (15), a wiring hole (25) is formed in the tail of the protective shell (13), first heat dissipation holes (23) are formed in the upper portion and the lower portion of the protective shell (13), and second heat dissipation holes (24) are formed in the left side and the right side of the protective shell (13).
3. The pulse current partial discharge monitoring device special for the high-voltage cabinet according to claim 1, wherein: inlay on interactive panel (2) and install operation pilot lamp (18), the lower part of operation pilot lamp (18) is equipped with monitoring display screen (19), one side of monitoring display screen (19) is equipped with control button (20), nuclear phase interface (21) have been seted up to one side of interactive panel (2), the upper portion of nuclear phase interface (21) is equipped with electrified pilot lamp (22).
4. The pulse current partial discharge monitoring device special for the high-voltage cabinet according to claim 2, wherein: the front end fixed mounting of cabinet door (16) has handle (17), one side of cabinet door (16) is through articulated hinge and electrical equipment cabinet swing joint.
5. The pulse current partial discharge monitoring device special for the high-voltage cabinet according to claim 1, characterized in that: the device is characterized in that a plurality of wiring terminals (27) are fixedly mounted at the upper part of the tail end of the device shell (1), a USB interface (26) is arranged at one side of each wiring terminal (27), an antenna connector (28) is arranged at the lower part of the tail end of the device shell (1), and a plug connector (29) is arranged at one side of each antenna connector (28).
6. The pulse current partial discharge monitoring device special for the high-voltage cabinet according to claim 2, wherein: the cabinet door (16) is provided with an installation cavity, the device shell (1) is embedded in the installation cavity, a clamping block (4) is fixedly arranged on the inner side of the installation cavity, and the clamping block (4) is clamped and connected between the positioning plate (3) and the clamping plate (6).
7. The pulse current partial discharge monitoring device special for the high-voltage cabinet according to claim 1, wherein: the elastic plate (5) is provided with a cavity (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222202645.6U CN218158205U (en) | 2022-08-22 | 2022-08-22 | Dedicated pulse current partial discharge monitoring devices of high-voltage board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222202645.6U CN218158205U (en) | 2022-08-22 | 2022-08-22 | Dedicated pulse current partial discharge monitoring devices of high-voltage board |
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| CN218158205U true CN218158205U (en) | 2022-12-27 |
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| CN202222202645.6U Active CN218158205U (en) | 2022-08-22 | 2022-08-22 | Dedicated pulse current partial discharge monitoring devices of high-voltage board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116679179A (en) * | 2023-08-03 | 2023-09-01 | 江苏鑫洋智能电力科技有限公司 | Partial discharge on-line monitoring device and pulse current monitoring method |
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2022
- 2022-08-22 CN CN202222202645.6U patent/CN218158205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116679179A (en) * | 2023-08-03 | 2023-09-01 | 江苏鑫洋智能电力科技有限公司 | Partial discharge on-line monitoring device and pulse current monitoring method |
| CN116679179B (en) * | 2023-08-03 | 2023-09-29 | 江苏鑫洋智能电力科技有限公司 | Partial discharge on-line monitoring device and pulse current monitoring method |
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Address after: No. 67 Chunjiang South Road, Zhonglou District, Changzhou City, Jiangsu Province, 213000. Building 2, Changzhou Intelligent Manufacturing Industrial Park, Liandong U-Valley, No. 1 Patentee after: Jiangsu Xinyang Intelligent Power Technology Co.,Ltd. Country or region after: China Address before: 213000 No.166 Qingyang Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Jiangsu Xinyang Intelligent Power Technology Co.,Ltd. Country or region before: China |