CN205335725U - Cubical switchboard partial discharge detector device - Google Patents
Cubical switchboard partial discharge detector device Download PDFInfo
- Publication number
- CN205335725U CN205335725U CN201521144940.4U CN201521144940U CN205335725U CN 205335725 U CN205335725 U CN 205335725U CN 201521144940 U CN201521144940 U CN 201521144940U CN 205335725 U CN205335725 U CN 205335725U
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- fuse
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Abstract
The utility model belongs to cubical switchboard detection area especially relates to a cubical switchboard partial discharge detector device, which comprises an outer shell, the generating line box, the isolated wheelbarrow room, the instrument control room, the instrument room, computer monitoring devices, pressure relief device, isolated wheelbarrow, female wire sleeve, the main bus -bar, the little generating line of branch, the static contact box, static contact devices, can hold overvoltage protection device greatly, the high -tension fuse, voltage transformer, the container is annotated to the high pressure limit, signal converter, fuse striking structure, AC vacuum contactor, the ground copper bars hole, grounding box, the detection case, patrol and examine the appearance, detection pipeline, a grounding line, a current transformer, ultrasonic sensor, the UHF sensor, the mount, the input pipeline, the cooling tube, heat dissipation ring A, fin A, fin B, heat dissipation ring B, generating line box, isolated wheelbarrow room, instrument room are in the inside of shell, generating line box, isolated wheelbarrow room are in the higher authority of instrument room, the generating line box is in the next door of isolated wheelbarrow room.
Description
Technical field
This utility model belongs to switch cubicle detection field, particularly relates to a kind of detection device for partial discharge of switch cabinet。
Background technology
Neutral point non-direct grounding system, the basis forming arc grounding over-voltage is intermittent electric arc。When neutral point non-direct grounding system generation single-phase intermittent arc earthing (hereinafter referred to as " arc grounding ") fault, repeatedly constantly extinguish due to electric arc and restrike, cause that the electric charge on system direct-to-ground capacitance repeatedly constantly accumulates and again reallocates, inductance one capacitor loop of healthy phases causes higher-order of oscillation overvoltage。For overhead transmission line, Overvoltage Amplitude is generally up to 3.1～3.5 times of phase voltages。Power supply network insulation breakdown or the probability of electric arc high frequency electric zero crossing arc extinction based on cable run are greatly improved, and during cable run arc grounding, the overvoltage of healthy phases is up to 4～7 times。The overvoltage of amplitude exacerbates the accumulation of the solid insulations such as cable and destroys, and arc grounding over-voltage also will cause burning PT or fuse melting simultaneously, and even more serious will cause Explosion of on Arrester。What solution arc grounding problem adopted in early time is change system neutral earthing mode, utilizes low resistance grounding, sacrifices power supply reliability and solves arc grounding；Developed into employing arc suppression coil principle later, utilize inductance different with the voltage-current characteristic of electric capacity, inductive current is adopted to compensate capacitance current, owing to arc grounding is high frequency content, so high frequency electric cannot be compensated by the arc suppression coil of power frequency design, also will produce many side effect on the contrary due to the access of coil, such as: route selection is forbidden, easily produce resonance, transferring over-voltage etc.。
Summary of the invention
This utility model provides a kind of detection device for partial discharge of switch cabinet, with the problem solving the intake pipeline poor heat radiation impact detection proposed in above-mentioned background technology。
This utility model is solved the technical problem that and is realized by the following technical solutions: this utility model provides a kind of detection device for partial discharge of switch cabinet, it is characterised in that: include shell, bus box, isolation handcart room, instrument control room, instrument room, computer monitoring device, pressure relief device, isolation hands car, bus casing, main bus-bar, the little bus of branch, stationary contact head cartridge, static contact head device, overvoltage protection device can be held greatly, high-tension fuse, voltage transformer, high pressure limit note container, signal adapter, fuse impact structure, AC vacuum contactor, grounding copper round, grounding box, detection case, logging, detection pipeline, earth lead, current transformer, ultrasonic sensor, type UHF sensor, fixed mount, intake pipeline, radiating tube, heat dissipating ring A, fin A, fin B, heat dissipating ring B, described bus box, isolation handcart room, instrument room in the inside of described shell, described bus box, isolation handcart room is on described instrument room, described bus box is on the side of described isolation handcart room, described pressure relief device is on described shell, described instrument control room is on the side of described isolation handcart room, described isolation handcart is in the inside of described isolation handcart room, described computer monitoring device is in the inside of described instrument control room, and described instrument control room connects described isolation handcart, described bus casing, stationary contact head cartridge, the overvoltage protection device the inside at described bus box can be held greatly, described main bus-bar is in the inside of described bus casing, described static contact head device is in the inside of described stationary contact head cartridge, one end of the little bus of described branch connects described main bus-bar, the other end of the little bus of described branch connects described static contact head device, the described big overvoltage protection device that can hold is below described bus casing, and the described big overvoltage protection device that can hold connects described stationary contact head cartridge, described high-tension fuse, voltage transformer, high pressure limit note container, signal adapter, fuse impact structure, AC vacuum contactor, grounding copper round, grounding box, detection case is in the inside of described instrument room, described signal adapter is below described high-tension fuse, described voltage transformer is on described signal adapter, described voltage transformer connects described high-tension fuse, described high pressure limit note container is on the side of described high-tension fuse, described fuse impact structure is on the side of described signal adapter, described high pressure limit note container is on described fuse impact structure, one end of described high pressure limit note container connects described high-tension fuse, the other end of described high pressure limit note container connects described fuse impact structure, described AC vacuum contactor is on the side of described fuse impact structure, described grounding copper round is in the bottom of described instrument room, and described grounding copper round is at described fuse impact structure, between AC vacuum contactor, described AC vacuum contactor connects described high pressure limit note container, and described earth lead is in the inside of described grounding box, and described detection case is at described AC vacuum contactor, above grounding box, described logging is at the top of described detection case, and described detection pipeline is below described logging, and described earth lead connects described detection pipeline, and described current transformer connects described earth lead, described ultrasonic sensor, type UHF sensor connects described detection pipeline, described radiating tube connects described fixed mount, described intake pipeline is in the inside of described radiating tube, described intake pipeline connects described detection pipeline, described heat dissipating ring A is on described radiating tube, described intake pipeline connects described fixed mount, described fin A, fin B, heat dissipating ring B in the inside of described heat dissipating ring A, described fin A, fin B, heat dissipating ring B interconnects。
Described grounding box is on the side of described AC vacuum contactor。
Described fin A connects described heat dissipating ring A。
Described fin B connects described heat dissipating ring A。
The beneficial effects of the utility model are:
1 detection device for partial discharge of switch cabinet, heat dissipating ring is arranged on radiating tube, away from the place that instrument is intensive, reduces the operation of the instruments such as interference high-tension fuse, and heat radiation is efficiently。
2 fin increase area of dissipation。
3 without correctly breaking high-voltage tube high-tension fuse, and fuse arc melting produces substantial amounts of heat, causes high-tension fuse to explode, and the heat of instantaneous generation can be collected by heat dissipating ring, it is prevented that other cool-down methods cause fault。
Electric arc can be extinguished after 4 device actions immediately, and can effectively limit arc grounding over-voltage。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model。
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further:
In figure: 1-shell, 2-bus box, 3-isolates handcart room, 4-instrument control room, 5-instrument room, 6-computer monitoring device, 7-pressure relief device, 8-isolates hands car, 9-bus casing, 10-main bus-bar, the little bus of 11-branch, 12-stationary contact head cartridge, 13-static contact head device, 14-is big can hold overvoltage protection device, 15-high-tension fuse, 16-voltage transformer, 17-high pressure limit note container, 18-signal adapter, 19-fuse impact structure, 20-AC vacuum contactor, 21-grounding copper round, 22-grounding box, 23-detection case, 24-logging, 25-detects pipeline, 26-earth lead, 27-current transformer, 28-ultrasonic sensor, 29-UHF sensor, 30-fixed mount, 31-intake pipeline, 32-radiating tube, 33-heat dissipating ring A, 34-fin A, 35-fin B, 36-heat dissipating ring B。
Embodiment:
The present embodiment includes shell 1, bus box 2, isolation handcart room 3, instrument control room 4, instrument room 5, computer monitoring device 6, pressure relief device 7, isolation handcart 8, bus casing 9, main bus-bar 10, the little bus 11 of branch, stationary contact head cartridge 12, static contact head device 13, overvoltage protection device 14 can be held greatly, high-tension fuse 15, voltage transformer 16, high pressure limit note container 17, signal adapter 18, fuse impact structure 19, AC vacuum contactor 20, grounding copper round 21, grounding box 22, detection case 23, logging 24, detection pipeline 25, earth lead 26, current transformer 27, ultrasonic sensor 28, type UHF sensor 29, fixed mount 30, intake pipeline 31, radiating tube 32, heat dissipating ring A33, fin A34, fin B35, heat dissipating ring B36, bus box 2, isolation handcart room 3, instrument room 5 in the inside of shell 1, bus box 2, isolation handcart room 3 is on instrument room 5, bus box 2 is on the side of isolation handcart room 3, pressure relief device 7 is on shell 1, instrument control room 4 is on the side of isolation handcart room 3, isolation handcart 8 is in the inside of isolation handcart room 3, computer monitoring device 6 is in the inside of instrument control room 4, and instrument control room 4 connects isolation handcart 8, bus casing 9, stationary contact head cartridge 12, the overvoltage protection device 14 the inside at bus box 2 can be held greatly, main bus-bar 10 is in the inside of bus casing 9, static contact head device 13 is in the inside of stationary contact head cartridge 12, one end of the little bus 11 of branch connects main bus-bar 10, the other end of the little bus 11 of branch connects static contact head device 13, overvoltage protection device 14 can be held greatly below bus casing 9, overvoltage protection device 14 can be held greatly and connect stationary contact head cartridge 12, high-tension fuse 15, voltage transformer 16, high pressure limit note container 17, signal adapter 18, fuse impact structure 19, AC vacuum contactor 20, grounding copper round 21, grounding box 22, detection case 23 is in the inside of instrument room 5, signal adapter 18 is below high-tension fuse 15, voltage transformer 16 is on signal adapter 18, voltage transformer 16 connects high-tension fuse 15, high pressure limit note container 17 is on the side of high-tension fuse 15, fuse impact structure 19 is on the side of signal adapter 18, high pressure limit note container 17 is on fuse impact structure 19, one end of high pressure limit note container 17 connects high-tension fuse 15, the other end of high pressure limit note container 17 connects fuse impact structure 19, AC vacuum contactor 20 is on the side of fuse impact structure 19, grounding copper round 21 is in the bottom of instrument room 5, and grounding copper round 21 is at fuse impact structure 19, between AC vacuum contactor 20, AC vacuum contactor 20 connects high pressure limit note container 17, and earth lead 26 is in the inside of grounding box 22, and detection case 23 is at AC vacuum contactor 20, above grounding box 22, logging 24 is at the top of detection case 23, and detection pipeline 25 is below logging 24, and earth lead 26 connects detection pipeline 25, and current transformer 27 connects earth lead 26, ultrasonic sensor 28, type UHF sensor 29 connect detection pipeline 25, radiating tube 32 Connection Bracket 30, intake pipeline 31 in the inside of radiating tube 32, intake pipeline 31 connect detection pipeline 25, heat dissipating ring A33 on radiating tube 32, intake pipeline 31 Connection Bracket 30, fin A34, fin B35, heat dissipating ring B36 in the inside of heat dissipating ring A33, fin A34, fin B35, heat dissipating ring B36 interconnects。
Grounding box 22 is on the side of AC vacuum contactor 20。
Fin A34 connects heat dissipating ring A33。
Fin B35 connects heat dissipating ring A33。
Utilize technical scheme described in the utility model, or those skilled in the art is under the inspiration of technical solutions of the utility model, design similar technical scheme, and reach above-mentioned technique effect, all fall into protection domain of the present utility model。
Claims (4)
1. a detection device for partial discharge of switch cabinet, it is characterised in that: include shell, bus box, isolation handcart room, instrument control room, instrument room, computer monitoring device, pressure relief device, isolation hands car, bus casing, main bus-bar, the little bus of branch, stationary contact head cartridge, static contact head device, overvoltage protection device can be held greatly, high-tension fuse, voltage transformer, high pressure limit note container, signal adapter, fuse impact structure, AC vacuum contactor, grounding copper round, grounding box, detection case, logging, detection pipeline, earth lead, current transformer, ultrasonic sensor, type UHF sensor, fixed mount, intake pipeline, radiating tube, heat dissipating ring A, fin A, fin B, heat dissipating ring B, described bus box, isolation handcart room, instrument room in the inside of described shell, described bus box, isolation handcart room is on described instrument room, described bus box is on the side of described isolation handcart room, described pressure relief device is on described shell, described instrument control room is on the side of described isolation handcart room, described isolation handcart is in the inside of described isolation handcart room, described computer monitoring device is in the inside of described instrument control room, and described instrument control room connects described isolation handcart, described bus casing, stationary contact head cartridge, the overvoltage protection device the inside at described bus box can be held greatly, described main bus-bar is in the inside of described bus casing, described static contact head device is in the inside of described stationary contact head cartridge, one end of the little bus of described branch connects described main bus-bar, the other end of the little bus of described branch connects described static contact head device, the described big overvoltage protection device that can hold is below described bus casing, and the described big overvoltage protection device that can hold connects described stationary contact head cartridge, described high-tension fuse, voltage transformer, high pressure limit note container, signal adapter, fuse impact structure, AC vacuum contactor, grounding copper round, grounding box, detection case is in the inside of described instrument room, described signal adapter is below described high-tension fuse, described voltage transformer is on described signal adapter, described voltage transformer connects described high-tension fuse, described high pressure limit note container is on the side of described high-tension fuse, described fuse impact structure is on the side of described signal adapter, described high pressure limit note container is on described fuse impact structure, one end of described high pressure limit note container connects described high-tension fuse, the other end of described high pressure limit note container connects described fuse impact structure, described AC vacuum contactor is on the side of described fuse impact structure, described grounding copper round is in the bottom of described instrument room, and described grounding copper round is at described fuse impact structure, between AC vacuum contactor, described AC vacuum contactor connects described high pressure limit note container, and described earth lead is in the inside of described grounding box, and described detection case is at described AC vacuum contactor, above grounding box, described logging is at the top of described detection case, and described detection pipeline is below described logging, and described earth lead connects described detection pipeline, and described current transformer connects described earth lead, described ultrasonic sensor, type UHF sensor connects described detection pipeline, described radiating tube connects described fixed mount, described intake pipeline is in the inside of described radiating tube, described intake pipeline connects described detection pipeline, described heat dissipating ring A is on described radiating tube, described intake pipeline connects described fixed mount, described fin A, fin B, heat dissipating ring B in the inside of described heat dissipating ring A, described fin A, fin B, heat dissipating ring B interconnects。
2. a kind of detection device for partial discharge of switch cabinet according to claim 1, it is characterised in that: described grounding box is on the side of described AC vacuum contactor。
3. a kind of detection device for partial discharge of switch cabinet according to claim 1, it is characterised in that: described fin A connects described heat dissipating ring A。
4. a kind of detection device for partial discharge of switch cabinet according to claim 1, it is characterised in that: described fin B connects described heat dissipating ring A。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521144940.4U CN205335725U (en) | 2015-12-31 | 2015-12-31 | Cubical switchboard partial discharge detector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521144940.4U CN205335725U (en) | 2015-12-31 | 2015-12-31 | Cubical switchboard partial discharge detector device |
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| Publication Number | Publication Date |
|---|---|
| CN205335725U true CN205335725U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521144940.4U Expired - Fee Related CN205335725U (en) | 2015-12-31 | 2015-12-31 | Cubical switchboard partial discharge detector device |
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| Country | Link |
|---|---|
| CN (1) | CN205335725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561426A (en) * | 2017-11-01 | 2018-01-09 | 浙江群力电气有限公司 | A kind of Partial Discharge Online Monitoring of Transformers system based on acooustic combination |
| CN110554285A (en) * | 2019-09-02 | 2019-12-10 | 中铁工程设计咨询集团有限公司 | self-adaptive environmental noise suppression partial discharge monitoring method |
-
2015
- 2015-12-31 CN CN201521144940.4U patent/CN205335725U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561426A (en) * | 2017-11-01 | 2018-01-09 | 浙江群力电气有限公司 | A kind of Partial Discharge Online Monitoring of Transformers system based on acooustic combination |
| CN110554285A (en) * | 2019-09-02 | 2019-12-10 | 中铁工程设计咨询集团有限公司 | self-adaptive environmental noise suppression partial discharge monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161231 |