CN204536462U - Cable duct of substation cable discharge optically focused alarm detector - Google Patents
Cable duct of substation cable discharge optically focused alarm detector Download PDFInfo
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- CN204536462U CN204536462U CN201520151352.7U CN201520151352U CN204536462U CN 204536462 U CN204536462 U CN 204536462U CN 201520151352 U CN201520151352 U CN 201520151352U CN 204536462 U CN204536462 U CN 204536462U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000000725 suspension Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses cable duct of substation cable discharge optically focused alarm detector, comprise cylindrical shell, it is characterized in that: be embedded in collector lens at the end opening of cylindrical shell, the suitable for reading of cylindrical shell is embedded in voice guard, be provided with photoelectric conversion module in the chamber of cylindrical shell, photoelectric conversion module is connected with voice guard by wire; The center of circle of collector lens and the center of circle of photoelectric conversion module are on an axis; Be provided with strip magnetic patch in the upper end of cylindrical shell, in the slide opening of strip magnetic patch, penetrate insulation leading line.This pick-up unit, because arclight optically focused when have employed cable short circuit is converted to the principle of alerting signal, have employed isolation cable channel cover plate simultaneously, pull pick-up unit along cable moving by magnetic attraction, so structure simply, is easily implemented, can be checked quickly soon and patrol cable location of short circuit, cable channel cover plate is opened in position accurately, thus significantly reduce labor intensity, raise labour efficiency, the detection of cable duct of substation cable fault can be exclusively used in.
Description
Technical field
The utility model relates to a kind of improvement of cable local discharge detection device, belongs to cable duct of substation cable detection technical field, specifically a kind of cable duct of substation cable discharge optically focused alarm detector.
Background technology
Substation cable is all laid in underground cable ditch, and covers with cover plate.Because situation in cable duct is complicated, cable often breaks down, and during cable line fault tripping operation, operations staff need check power transformation station equipment.If cable fault occurs in transformer station, because cable is in underground cable ditch, covered by heavy cable channel cover plate, operations staff is difficult to observation and puts in place, and adding cable fault, to occur in the probability of station cable ditch less, more easily out in the cold.At present, find Method of Cable Trouble Point and usually adopt manual method, be difficult to realize fast searching, therefore cause and find Method of Cable Trouble Point length consuming time, efficiency is low.
Known by retrieving, in order to solve above technical matters, there is the report about Cable fault examination equipment, as Chinese patent 201210473741.2, disclose " a kind of underground cable inspection and fault locator ", by carrying out the collection of video, temperature, voice signal to cable status, and have laptop computer by network earthward main control computer cable ruuning situation is intuitively provided, localization of fault is implemented when cable breaks down, because the parameter detected is more, so complex structure, operation is also inconvenient; For another example Chinese patent 201410059038.6, discloses one " cable local discharge detection device ", comprises Sasser voltage generation module, signal acquisition module, analysis and Control module, there is the shortcoming of complex structure, inconvenient operation equally.
As everyone knows, transformer station's inner high voltage cable breaks down and is generally short trouble, and produces electric arc, and along with a large amount of luminous energy and heat energy.Because cable duct is by cover plate capping, in it, visible ray is few, and the visible ray that therefore cable fault produces is that the detection that fault occurs provides desirable criterion.
At present, there is not yet the report that the visible ray produced by cable fault judges the equipment of cable fault position.
Summary of the invention
The purpose of this utility model is to provide a kind of visible ray produced by cable fault to judge, and cable fault position and structure simply, are easily implemented, be exclusively used in the cable duct of substation cable discharge optically focused alarm detector of cable duct of substation Cable fault examination.
In order to reach above object, the technical scheme that the utility model adopts is: this cable duct of substation cable discharge optically focused alarm detector, comprise cylindrical shell, it is characterized in that: the end opening of described cylindrical shell is embedded in collector lens, the suitable for reading of cylindrical shell is embedded in voice guard, be provided with photoelectric conversion module in the chamber of cylindrical shell, photoelectric conversion module is connected with voice guard by wire; The center of circle of collector lens and the center of circle of photoelectric conversion module are on an axis.
The utility model is also implemented by following measure: the upper end of described cylindrical shell is provided with strip magnetic patch, penetrates insulation leading line in the slide opening of strip magnetic patch, and the suspension of insulation leading line is fixed on the upside of the middle part of cable duct, from cable channel cover plate base surface 4cm; The slip of strip magnetic patch adopts electromagnetic wand attract strip magnetic patch and pull realization by patrol officer on the upside of cable channel cover plate.
Described photoelectric conversion module, comprises OPT101 chip, and the pin one of OPT101 chip connects 12V direct supply, and the pin two of OPT101 chip and the resistance R1 indirectly in parallel of pin 5,6,7 and electric capacity C4, for the size of regulation output voltage signal; The pin one of OPT101 chip, pin 4 and pin 8 are respectively through electric capacity C1, C3, C2 ground connection; The pin 5 of OPT101 chip is output voltage high level signal Vout, the Vin pin of access voice guard.
Described voice guard, comprises triode T1, relay K 1, hummer S, and the Vin pin of voice guard accesses the base stage of triode T1 by resistance R2, and the emitter of triode T1 is by resistance R3 ground connection, and one end of contact relay K1 simultaneously; The grid of the other end access triode T1 of relay K 1, and connect one end of hummer S simultaneously; Another termination 12V direct supply of hummer S; Triode T1 triggering and conducting, hummer S, power Vcc form conducting loop, and hummer S shouts a shout, after pressing relay K 1, by triode T1 short circuit, signal return.
The beneficial effects of the utility model are: this cable duct of substation cable discharge optically focused alarm detector, because arclight optically focused when have employed cable short circuit is converted to the principle of alerting signal, have employed isolation cable channel cover plate simultaneously, pull pick-up unit along cable moving by magnetic attraction, so structure simply, is easily implemented, can be checked quickly soon and patrol cable location of short circuit, cable channel cover plate is opened in position accurately, thus significantly reduce labor intensity, raise labour efficiency, the detection of cable duct of substation cable fault can be exclusively used in.
Accompanying drawing explanation
Fig. 1 is structure axial of the present utility model cross-sectional schematic.
Fig. 2 is photoelectric conversion module circuit theory schematic diagram of the present utility model.
Fig. 3 is voice guard circuit theory schematic diagram of the present utility model.
In figure: 1, cylindrical shell; 2, collector lens; 3, voice guard; 4, photoelectric conversion module; 5, wire; 6, strip magnetic patch; 7, insulate leading line.
Embodiment
The utility model is made with reference to Fig. 1, Fig. 2, Fig. 3.This cable duct of substation cable discharge optically focused alarm detector, comprise cylindrical shell 1, it is characterized in that: the end opening of described cylindrical shell 1 is embedded in collector lens 2, the suitable for reading of cylindrical shell 1 is embedded in voice guard 3, be provided with photoelectric conversion module 4 in the chamber of cylindrical shell 1, photoelectric conversion module 4 is connected with voice guard 3 by wire 5; The center of circle of collector lens 2 and the center of circle of photoelectric conversion module 4 are on an axis.When high-tension cable is short-circuited fault, the arclight produced is by collector lens 2 optically focused, and be radiated on photoelectric conversion module 4, through photoelectric conversion module 4, optically focused signal is converted into electric signal, be transferred to voice guard 3 by wire 5 again, voice guard 3 can quote cable short fault location.
As improvement of the present utility model: the upper end of described cylindrical shell 1 is provided with strip magnetic patch 6, insulation leading line 7 is penetrated in the slide opening of strip magnetic patch 6, the suspension of insulation leading line 7 is fixed on the upside of the middle part of cable duct, from cable channel cover plate base surface 4cm, do not affect strip magnetic patch 6 and slide along insulation leading line 7; The slip of strip magnetic patch 6 adopts electromagnetic wand attract strip magnetic patch 6 and pull realization by patrol officer on the upside of cable channel cover plate.When cable duct inner cable is short-circuited fault, patrol officer holds electromagnetic wand and attracts strip magnetic patch 6 and pull on the upside of cable channel cover plate, strip magnetic patch 6 is moved along insulation leading line 7, collector lens 2 is driven to move along the top of cable, when moving to short position, arclight through optically focused, change, pass to voice guard 3 and report to the police, after hearing warning, open cable channel cover plate again, carry out localization of fault.
Described photoelectric conversion module 4, comprises OPT101 chip, and the pin one of OPT101 chip connects 12V direct supply, and the pin two of OPT101 chip and the resistance R1 indirectly in parallel of pin 5,6,7 and electric capacity C4, for the size of regulation output voltage signal; The pin one of OPT101 chip, pin 4 and pin 8 are respectively through electric capacity C1, C3, C2 ground connection; The pin 5 of OPT101 chip is output voltage high level signal Vout, the Vin pin of access voice guard 3.
Described voice guard 3, comprises triode T1, relay K 1, hummer S, and the Vin pin of voice guard 3 accesses the base stage of triode T1 by resistance R2, and the emitter of triode T1 is by resistance R3 ground connection, and one end of contact relay K1 simultaneously; The grid of the other end access triode T1 of relay K 1, and connect one end of hummer S simultaneously; Another termination 12V direct supply of hummer S; Triode T1 triggering and conducting, hummer S, power Vcc form conducting loop, and hummer S shouts a shout, after pressing relay K 1, by triode T1 short circuit, signal return.
Claims (4)
1. cable duct of substation cable discharge optically focused alarm detector, comprise cylindrical shell (1), it is characterized in that: the end opening of described cylindrical shell (1) is embedded in collector lens (2), the suitable for reading of cylindrical shell (1) is embedded in voice guard (3), be provided with photoelectric conversion module (4) in the chamber of cylindrical shell (1), photoelectric conversion module (4) is connected with voice guard (3) by wire (5); The center of circle of collector lens (2) and the center of circle of photoelectric conversion module (4) are on an axis.
2. cable duct of substation cable discharge optically focused alarm detector according to claim 1, it is characterized in that: the upper end of described cylindrical shell (1) is provided with strip magnetic patch (6), insulation leading line (7) is penetrated in the slide opening of strip magnetic patch (6), insulation leading line (7) suspension is fixed on the upside of the middle part of cable duct, from cable channel cover plate base surface 4cm; The slip of strip magnetic patch (6) adopts electromagnetic wand attract strip magnetic patch (6) and pull realization by patrol officer on the upside of cable channel cover plate.
3. cable duct of substation cable discharge optically focused alarm detector according to claim 1, it is characterized in that: described photoelectric conversion module (4), comprise OPT101 chip, the pin one of OPT101 chip connects 12V direct supply, the resistance (R1) of the pin two of OPT101 chip and the parallel connection indirectly of pin 5,6,7 and electric capacity (C4); The pin one of OPT101 chip, pin 4 and pin 8 are respectively through electric capacity (C1, C3, C2) ground connection; The pin 5 of OPT101 chip is output voltage high level signal Vout, the Vin pin of access voice guard (3).
4. cable duct of substation cable discharge optically focused alarm detector according to claim 1, it is characterized in that: described voice guard (3), comprise triode (T1), relay (K1), hummer (S), the Vin pin of voice guard (3) accesses the base stage of triode (T1) by resistance (R2), the emitter of triode (T1) is by resistance (R3) ground connection, and one end of contact relay (K1) simultaneously; The grid of other end access triode (T1) of relay (K1), and connect one end of hummer (S) simultaneously; Another termination 12V direct supply of hummer (S).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520151352.7U CN204536462U (en) | 2015-03-18 | 2015-03-18 | Cable duct of substation cable discharge optically focused alarm detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520151352.7U CN204536462U (en) | 2015-03-18 | 2015-03-18 | Cable duct of substation cable discharge optically focused alarm detector |
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| Publication Number | Publication Date |
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| CN204536462U true CN204536462U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520151352.7U Expired - Fee Related CN204536462U (en) | 2015-03-18 | 2015-03-18 | Cable duct of substation cable discharge optically focused alarm detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678269A (en) * | 2015-03-18 | 2015-06-03 | 国家电网公司 | Condensation alarm detection device for cable discharge of cable trench of transformer substation |
| CN105069968A (en) * | 2015-07-28 | 2015-11-18 | 国网上海市电力公司 | Electricity-approaching alarm drum |
| CN111371056A (en) * | 2020-04-17 | 2020-07-03 | 国网山东省电力公司利津县供电公司 | Cable trench cover plate laying device |
-
2015
- 2015-03-18 CN CN201520151352.7U patent/CN204536462U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678269A (en) * | 2015-03-18 | 2015-06-03 | 国家电网公司 | Condensation alarm detection device for cable discharge of cable trench of transformer substation |
| CN104678269B (en) * | 2015-03-18 | 2017-06-23 | 国家电网公司 | Cable duct of substation cable discharge optically focused alarm detector |
| CN105069968A (en) * | 2015-07-28 | 2015-11-18 | 国网上海市电力公司 | Electricity-approaching alarm drum |
| CN105069968B (en) * | 2015-07-28 | 2017-12-19 | 国网上海市电力公司 | A kind of nearly electric alarm cylinder |
| CN111371056A (en) * | 2020-04-17 | 2020-07-03 | 国网山东省电力公司利津县供电公司 | Cable trench cover plate laying device |
| CN111371056B (en) * | 2020-04-17 | 2020-11-24 | 国网山东省电力公司利津县供电公司 | Cable trench cover plate laying device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20180318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |