CN220367372U - Partial discharge monitoring device for high-voltage cabinet - Google Patents
Partial discharge monitoring device for high-voltage cabinet Download PDFInfo
- Publication number
- CN220367372U CN220367372U CN202321762439.9U CN202321762439U CN220367372U CN 220367372 U CN220367372 U CN 220367372U CN 202321762439 U CN202321762439 U CN 202321762439U CN 220367372 U CN220367372 U CN 220367372U
- Authority
- CN
- China
- Prior art keywords
- partial discharge
- voltage
- pressure chamber
- integrally formed
- monitoring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 3
- 230000001070 adhesive effect Effects 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 241000723792 Tobacco etch virus Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a high-voltage cabinet partial discharge monitoring device, which relates to the technical field of intelligent system monitoring and aims to solve the problems that an existing high-voltage switch cabinet is inevitably influenced by various factors such as electricity, heat, machinery, environment and the like in operation, an insulating medium is continuously deteriorated, the operation state is poor, various faults even occur, local and large-area power failure is caused, and huge direct or indirect economic loss is caused. The high-voltage switch cabinet is internally provided with a high-voltage chamber, and the high-voltage chamber and the high-voltage switch cabinet are integrally formed; further comprises: the bearing frame is arranged at the bottom of the high-pressure chamber, the bearing frame and the high-pressure chamber are integrally formed, and a partial discharge collector is arranged in the bearing frame; the partial discharge sensor is arranged on the inner wall of one side of the high-pressure chamber, the partial discharge sensor is electrically connected with the partial discharge collector, and a bearing cavity is arranged at the bottom of the partial discharge sensor.
Description
Technical Field
The utility model relates to the technical field of intelligent system monitoring, in particular to a high-voltage cabinet partial discharge monitoring device.
Background
In order to meet production requirements, modern production enterprises are required to be provided with a 10KV high-voltage cabinet switch in a power distribution room and are responsible for power supply of a whole plant power supply. The operational reliability of the high-voltage switch cabinet and the internal high-voltage equipment (such as a breaker, PT, CT, busbar, cable connector and the like) directly influences normal production. However, these devices are inevitably affected by various factors such as electricity, heat, machinery, environment, etc. during operation, the insulating medium is continuously deteriorated, so that the operation state is poor, various faults even occur, and local or even large-area power failure is caused, thus causing huge direct or indirect economic loss.
Disclosure of Invention
The utility model aims to provide a partial discharge monitoring device for a high-voltage switch cabinet, which solves the problems that the prior high-voltage switch cabinet proposed in the background art is inevitably influenced by various factors such as electricity, heat, machinery, environment and the like in operation, an insulating medium is continuously deteriorated, the operation state is poor, even various faults occur, local and large-area power failure is caused, and huge direct or indirect economic loss is caused.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-voltage cabinet partial discharge monitoring device, includes high-voltage switch cabinet, and high-voltage switch cabinet's inside is provided with the high-voltage chamber, and high-voltage chamber and high-voltage switch cabinet integrated into one piece set;
further comprises:
the bearing frame is arranged at the bottom of the high-pressure chamber, the bearing frame and the high-pressure chamber are integrally formed, and a partial discharge collector is arranged in the bearing frame;
the partial discharge sensor is arranged on the inner wall of one side of the high-pressure chamber, the partial discharge sensor is electrically connected with the partial discharge collector, a bearing cavity is formed in the bottom of the partial discharge sensor, the bearing cavity and the partial discharge sensor are integrally formed, and a magnet block is arranged in the bearing cavity;
the sealing plug plate is arranged at the lower position of the magnet block, the inner wall of the sealing plug plate is provided with a glue coating paste, and the sealing plug plate is connected with the magnet block through the glue coating paste.
Preferably, the front end face of the sealing plug plate is provided with a preposed groove, the preposed groove and the sealing plug plate are integrally formed, a separation pull rod is arranged in the preposed groove, and the separation pull rod and the preposed groove are integrally formed.
Preferably, the inner walls of the two sides of the bearing cavity are respectively provided with a movable clamping groove, the movable clamping grooves and the bearing cavity are integrally formed, the outer walls of the two sides of the magnet block are respectively provided with an extension clamping block, and the extension clamping blocks and the magnet block are integrally formed.
Preferably, the magnet block is in limiting movable connection with the movable clamping groove on the inner wall of the bearing cavity through the extending clamping block.
Preferably, an isolation cover is mounted on the top of the bearing frame, and the isolation cover is fixedly connected with the bearing frame through screws.
Preferably, a stainless steel front cover is arranged on the front end face of the high-pressure chamber, and the stainless steel front cover is movably connected with the high-pressure chamber through a hinge.
Compared with the prior art, the utility model has the beneficial effects that:
when the high-voltage switch cabinet and the high-voltage equipment inside the high-voltage switch cabinet generate partial discharge due to insulation faults, physical or chemical phenomena such as pulse current, electromagnetic waves, ultrasonic waves, light, ozone, heat and the like and corresponding processes are often accompanied in the partial discharge process. The local discharge monitoring system installed in the power distribution room performs on-line monitoring by taking ultrasonic waves, TEVs and ultra-high frequencies as main local discharge indexes, the collected data is uploaded to the in-station concentrator through the Internet of things, the sensing and uploading of the switch cabinet multi-element data are realized, the reliable operation of the power supply and distribution system of the whole factory is ensured, and the on-line monitoring of the local discharge of all high-voltage switch cabinets is an important link of the operation and maintenance guarantee system of the high-voltage switch cabinets. Based on a switch cabinet partial discharge early warning algorithm, a switch cabinet partial discharge signal analysis system consisting of a switch cabinet intelligent sensor, a collector, a concentrator, a big data platform and a related algorithm is constructed, and monitoring, recording, analyzing and early warning of switch cabinet partial discharge signals can be realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a partial discharge monitoring device of a high-voltage cabinet;
FIG. 2 is a schematic diagram of a partial discharge sensor housing according to the present utility model;
FIG. 3 is a schematic view of a closure panel according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the portion A of the present utility model;
FIG. 5 is a schematic diagram showing the connection of the partial discharge sensor to the internal structure of the supporting frame according to the present utility model;
FIG. 6 is a schematic diagram of a high-voltage cabinet partial discharge monitoring device according to the present utility model;
in the figure: 1. a high voltage switchgear; 2. a high pressure chamber; 3. stainless steel front cover; 4. a load-bearing frame; 5. an isolation cover; 6. a partial discharge sensor; 7. a load bearing cavity; 8. a magnet block; 9. a closing plug plate; 10. a front groove; 11. separating the pull rod; 12. coating glue; 13. a movable clamping groove; 14. and extending the clamping block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-6, an embodiment of the present utility model is provided: the utility model provides a high-voltage cabinet partial discharge monitoring device, includes high-voltage switch cabinet 1, and high-voltage switch cabinet 1's inside is provided with high-voltage chamber 2, and high-voltage chamber 2 and high-voltage switch cabinet 1 integrated into one piece set;
further comprises:
the bearing frame 4 is arranged at the bottom of the high-pressure chamber 2, the bearing frame 4 and the high-pressure chamber 2 are integrally formed, and a partial discharge collector is arranged in the bearing frame 4;
the partial discharge sensor 6 is arranged on the inner wall of one side of the high-pressure chamber 2, the partial discharge sensor 6 is electrically connected with the partial discharge collector, a bearing cavity 7 is arranged at the bottom of the partial discharge sensor 6, the bearing cavity 7 and the partial discharge sensor 6 are integrally formed, and a magnet block 8 is arranged in the bearing cavity 7;
the sealing plug plate 9 is arranged at the lower position of the magnet block 8, the inner wall of the sealing plug plate 9 is provided with a glue coating 12, and the sealing plug plate 9 is in glue connection with the magnet block 8 through the glue coating 12.
Referring to fig. 3, a front end surface of the sealing plug plate 9 is provided with a front groove 10, the front groove 10 and the sealing plug plate 9 are integrally formed, a separating pull rod 11 is arranged in the front groove 10, the separating pull rod 11 and the front groove 10 are integrally formed, and the front groove 10 arranged on the front end surface of the sealing plug plate 9 plays a role of bearing the separating pull rod 11, so that the sealing plug plate 9 is convenient to take down.
Referring to fig. 4, movable clamping grooves 13 are formed in the inner walls of the two sides of the bearing cavity 7, the movable clamping grooves 13 and the bearing cavity 7 are integrally formed, extension clamping blocks 14 are formed in the outer walls of the two sides of the magnet block 8, the extension clamping blocks 14 and the magnet block 8 are integrally formed, and the movable clamping grooves 13 formed in the inner walls of the two sides of the bearing cavity 7 play a role in limiting the anti-falling of the extension clamping blocks 14.
Referring to fig. 4, the magnet block 8 is movably connected with a movable slot 13 on the inner wall of the bearing cavity 7 in a limited manner through an extending clamping block 14.
Referring to fig. 1, an isolation cover 5 is installed on top of the bearing frame 4, the isolation cover 5 is fixedly connected with the bearing frame 4 through screws, and the isolation cover 5 installed on top of the bearing frame 4 plays an external isolation role.
Referring to fig. 1, a stainless steel front cover 3 is disposed on a front end surface of the high pressure chamber 2, the stainless steel front cover 3 is movably connected with the high pressure chamber 2 through a hinge, and the stainless steel front cover 3 disposed on the front end surface of the high pressure chamber 2 plays a role in sealing the high pressure chamber 2.
Working principle: when the intelligent power distribution cabinet is used, the power distribution room is provided with the partial discharge on-line monitoring concentrator, each high-voltage switch cabinet of the power distribution room is provided with the set of partial discharge on-line monitoring collector and the intelligent sensor, and the intelligent sensor can continuously detect ultrasonic partial discharge signals, transient voltage partial discharge signals and ultrahigh frequency partial discharge signals of the switch cabinet. The sensor is connected with the concentrator by adopting a coaxial cable, and three partial discharge acquisition signals are uploaded simultaneously. The sensor is installed in a high-voltage chamber of the switch cabinet in a magnetic attraction type fixing mode. The local discharge on-line monitoring collector is arranged in a secondary control box of each switch cabinet, the switch cabinets provide AC220V power supply, and the switch power supply converts DC24V to supply power to the collector. The concentrator carries out digital processing such as sampling, amplifying and filtering on the collected ultrasonic partial discharge signals, TEV partial discharge signals and ultrahigh frequency partial discharge signals in real time, analyzes the characteristic values of the ultrasonic partial discharge signals, TEV partial discharge signals and ultrahigh frequency partial discharge signals through a built-in algorithm model, and judges and triggers a multi-element alarm state according to threshold comparison. The collector can also collect signals of the selected environmental humidity sensor, the contact temperature sensor and the like in a wireless mode. After the detection period is set, the collected data is uploaded to the in-station concentrator through the Internet of things, so that the sensing uploading of the switch cabinet multi-element data is realized, the reliable operation of the power supply and distribution system of the whole factory is ensured, and the on-line monitoring of the partial discharge of all high-voltage switch cabinets is an important link of the operation and maintenance guarantee system of the high-voltage switch cabinets. Based on a switch cabinet partial discharge early warning algorithm, a switch cabinet partial discharge signal analysis system consisting of a switch cabinet intelligent sensor, a collector, a concentrator, a big data platform and a related algorithm is constructed, and monitoring, recording, analyzing and early warning of switch cabinet partial discharge signals can be realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a high-voltage cabinet partial discharge monitoring device, includes high-voltage switch cabinet (1), and the inside of high-voltage switch cabinet (1) is provided with high-voltage chamber (2), and high-voltage chamber (2) and high-voltage switch cabinet (1) integrated into one piece set up;
the method is characterized in that: further comprises:
the bearing frame (4) is arranged at the bottom of the high-pressure chamber (2), the bearing frame (4) and the high-pressure chamber (2) are integrally formed, and a partial discharge collector is arranged in the bearing frame (4);
the partial discharge sensor (6) is arranged on the inner wall of one side of the high-pressure chamber (2), the partial discharge sensor (6) is electrically connected with the partial discharge collector, a bearing cavity (7) is formed in the bottom of the partial discharge sensor (6), the bearing cavity (7) and the partial discharge sensor (6) are integrally formed, and a magnet block (8) is arranged in the bearing cavity (7);
the sealing plug plate (9) is arranged at the lower position of the magnet block (8), the adhesive coating paste (12) is arranged on the inner wall of the sealing plug plate (9), and the sealing plug plate (9) is connected with the magnet block (8) through the adhesive coating paste (12) in an adhesive manner.
2. The high-voltage cabinet partial discharge monitoring device according to claim 1, wherein: the sealing plug plate is characterized in that a preposed groove (10) is formed in the front end face of the sealing plug plate (9), the preposed groove (10) and the sealing plug plate (9) are integrally formed, a separation pull rod (11) is arranged in the preposed groove (10), and the separation pull rod (11) and the preposed groove (10) are integrally formed.
3. The high-voltage cabinet partial discharge monitoring device according to claim 1, wherein: the two-side inner walls of the bearing cavity (7) are respectively provided with a movable clamping groove (13), the movable clamping grooves (13) and the bearing cavity (7) are integrally formed, two outer walls of the two sides of the magnet block (8) are respectively provided with an extension clamping block (14), and the extension clamping blocks (14) and the magnet block (8) are integrally formed.
4. A high-voltage board partial discharge monitoring device according to claim 3, wherein: the magnet block (8) is in limit movable connection with a movable clamping groove (13) on the inner wall of the bearing cavity (7) through an extension clamping block (14).
5. The high-voltage cabinet partial discharge monitoring device according to claim 1, wherein: an isolation cover (5) is arranged at the top of the bearing frame (4), and the isolation cover (5) is fixedly connected with the bearing frame (4) through screws.
6. The high-voltage cabinet partial discharge monitoring device according to claim 1, wherein: the stainless steel front cover (3) is arranged on the front end face of the high-pressure chamber (2), and the stainless steel front cover (3) is movably connected with the high-pressure chamber (2) through a hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321762439.9U CN220367372U (en) | 2023-07-06 | 2023-07-06 | Partial discharge monitoring device for high-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321762439.9U CN220367372U (en) | 2023-07-06 | 2023-07-06 | Partial discharge monitoring device for high-voltage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220367372U true CN220367372U (en) | 2024-01-19 |
Family
ID=89516901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321762439.9U Active CN220367372U (en) | 2023-07-06 | 2023-07-06 | Partial discharge monitoring device for high-voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220367372U (en) |
-
2023
- 2023-07-06 CN CN202321762439.9U patent/CN220367372U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201355384Y (en) | System for detecting and managing partial discharge of switch cabinet on-line | |
| US20170234758A1 (en) | GIS leak monitoring method based on vibration signal | |
| CN202121209U (en) | Intelligent high voltage switch device | |
| CN203133246U (en) | On-line switch monitoring device | |
| CN106707048A (en) | GIS combined electric appliance intelligent component performance detection device | |
| CN220367372U (en) | Partial discharge monitoring device for high-voltage cabinet | |
| CN203787830U (en) | Composite monitoring intelligent armored withdrawable high-voltage switch cabinet | |
| CN219018540U (en) | Multi-dimensional state detection equipment for switch cabinet | |
| CN112014699A (en) | High-voltage power equipment partial discharge comprehensive inspection instrument | |
| CN116647049A (en) | Comprehensive monitoring system for switch cabinet | |
| CN110927540A (en) | C-GIS intelligent partial discharge monitoring device based on electrified display | |
| CN201828288U (en) | Device for on-line monitoring on moisture, density and temperature of SF6 gas | |
| CN111504498B (en) | GIS isolating switch contact temperature on-line monitoring system | |
| CN203084122U (en) | Electric power GIS fault diagnostic device | |
| Lian et al. | Design of Insulation Online Monitoring and Anti-Condensation Control System for Distribution Switchgear | |
| CN202583293U (en) | Three-phase split box type all-fiber current transformer for gas insulated switchgear (GIS) | |
| CN110927534A (en) | Dry-type air-core reactor interturn insulation degradation on-line monitoring device | |
| CN202631009U (en) | SF6 gas online monitoring system for high voltage circuit breaker | |
| CN216161646U (en) | Teletransmission formula SF6 density relay structure convenient to dismouting | |
| CN205067315U (en) | Sulfur hexafluoride and oxygen analytical equipment in environment | |
| CN219892713U (en) | Can realize intelligent block terminal of patrolling and examining | |
| CN215499419U (en) | Holographic perception intelligent circuit breaker | |
| CN116436150B (en) | Intelligent distribution transformer terminal based on state sensing and edge computing technology | |
| CN219552178U (en) | Gas density monitor | |
| CN215375647U (en) | Three station switch suspension potential test devices of simulation true GIS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |