CN102074408B - Intelligent high-voltage vacuum circuit breaker - Google Patents
Intelligent high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN102074408B CN102074408B CN200910198997.5A CN200910198997A CN102074408B CN 102074408 B CN102074408 B CN 102074408B CN 200910198997 A CN200910198997 A CN 200910198997A CN 102074408 B CN102074408 B CN 102074408B
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- light source
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- reflector
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Keying Circuit Devices (AREA)
Abstract
The invention discloses an intelligent high-voltage vacuum circuit breaker, which comprises three arc extinguish chamber posts, wherein each arc extinguish chamber post is provided with an upper support and a lower support; a vacuum arc extinguish chamber is formed in each arc extinguish chamber post; a moving conducting rod is arranged in each vacuum arc extinguish chamber; temperature probes are arranged at fractures of the upper support and the lower support of each arc extinguish chamber post; a contact wear induction device is arranged in each vacuum arc extinguish chamber; six temperature probes and three light source receiving sensors are connected to a central processing unit through an input circuit; and a signal output end of the central processing unit is connected with a monitoring center computer. The intelligent high-voltage vacuum circuit breaker can effectively detect and predict several key technical indexes, which affect the safety of system equipment, of the circuit breaker during on-line operation, thereby strengthening the safety and reliability of switching equipment of the circuit breaker.
Description
Technical field
The present invention relates to electrical technology field, is a kind of Intelligent high-voltage vacuum circuit breaker specifically.
Background technology
The basis realizing Electrical Equipment Maintenance Based on State is the on-line condition monitoring to equipment.On-line monitoring can reflect the situation of electric equipment accurately and real-time and predict useful life, for maintenance decision provides foundation.Electrical equipment status monitoring is not only the basis of equipment state overhauling pattern, is also the development need of the electric operation management pattern that current China power department is being implemented.
High-pressure vacuum breakers all types of in the outer power industry of Present Domestic runs in use at different model switching control device, the fault that much equipment causes or the point having possibility accidents caused mainly contain two places: one is that breaker body connects incision position with electric conductor, because dynamic and static contact variance factor is many, the change of conduction resistance is large, and temperature rise is generated heat seriously soon; Two is folding incision positions in vacuum tube, dynamic and static contact wearing and tearing after a section is run, and loose contact affects three-phase same period, and can cause transient operation overvoltage.How to overcome the deficiencies in the prior art, improve useful life and the fault alarm of vacuum circuit-breaker, become the key problem in technology of novel high-pressure vacuum breaker.
Summary of the invention
Technical problem to be solved by this invention is the above-mentioned defect overcoming prior art, a kind of Intelligent high-voltage vacuum circuit breaker is provided, it can detect vacuum circuit breaker body timely and accurately and connect folding incision position contact head abrasive loss in incision position temperature change situation and vacuum tube with electric conductor, realize on-line checkingi and fault alarm, improve product useful life and reduce accident Probability.
The object of the invention is to be achieved through the following technical solutions: a kind of Intelligent high-voltage vacuum circuit breaker, comprise three arc interrupter poles, each arc interrupter pole there are upper bracket and lower carriage, vacuum interrupter is had in each arc interrupter pole, there is moving conductive rod vacuum extinction indoor, it is characterized in that: at the upper bracket of each arc interrupter pole and the incision position of lower carriage, temperature transducer is installed, at each vacuum extinction indoor installation contact abrasion induction installation, this contact abrasion induction installation comprises incident light source, reflector and light source accept transducer, described reflector to lean against on described moving conductive rod and around a pivot, described incident light source and light source accept transducer and arrange relative to the reflecting surface of reflecting plate, incident light source is radiated on reflector, reverberation shines light source and accepts on transducer, six temperature transducers and three light sources accept transducer and are connected on central processing unit by input circuit, and central processing unit signal output part is connected with Surveillance center computer.
Described incident light source is lasing light emitter.
The present invention compared with prior art tool has the following advantages: it can implement fracture temperature rise on-line monitoring to breaker body and external interface and control in real time; The automatic detection that the contact head abrasive loss of vacuum interrupter is achieved and automatic alarm.Detection Information for two kinds of transducers carries out data processing by central processing unit, can be connected with wireless network, can realize intelligentized operational management by wired with Surveillance center computer.Accomplish effectively to detect and advance notice to the key technical index of influential system device security several in circuit breaker on-line operation process; And the urgent locking that can realize where necessary circuit breaker and tripping operation.Thus enhance the safety and reliability of the switchgear of breaker body and installation body.
Accompanying drawing explanation
Fig. 1 is Intelligent high-voltage vacuum circuit breaker side of the present invention biopsy cavity marker devices structural representation;
Fig. 2 is contact abrasion induction installation operation principle schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As Fig. 1, shown in Fig. 2, a kind of Intelligent high-voltage vacuum circuit breaker, comprise three arc interrupter poles 1, each arc interrupter pole there are upper bracket 2 and lower carriage 3, vacuum interrupter 5 is had in each arc interrupter pole 1, moving conductive rod 6 is had in vacuum interrupter 5, at the upper bracket 2 of each arc interrupter pole 1 and the incision position of lower carriage 3, temperature transducer 4 is installed, in each vacuum interrupter 5, contact abrasion induction installation is installed, this contact abrasion induction installation comprises incident light source 8, reflector 7 and light source accept transducer 9, described reflector 7 to lean against on described moving conductive rod 6 and rotates around a pivot 11, described incident light source 8 and light source accept transducer 9 and arrange relative to the reflecting surface of reflecting plate 7, incident light source 8 is radiated on reflector 7, reverberation shines light source and accepts on transducer 9, six temperature transducers 4 and three light sources accept transducer 9 and are connected on central processing unit 10 by input circuit, and central processing unit 10 signal output part is connected with Surveillance center computer.Described incident light source 8 is lasing light emitter.
As shown in Figure 2, it is contact abrasion induction installation operation principle schematic diagram.When contact does not wear and tear or wearing and tearing are very little: the end of moving conductive rod 6 is positioned at CD position, reflector 7 is positioned at OD position, incident light source 8 be irradiated to be positioned at OD position reflector 7 on reflex to the B point position that light source accepts transducer 9, light source accepts transducer 9 induced signal and is connected on central processing unit 10 by input circuit, signal is sent to Surveillance center's computer by central processing unit 10 again, through identifying that central processing unit or computer judge, now contact abrasion belongs to normal range (NR), does not send alarm signal.When contact abrasion is very large: the end of moving conductive rod 6 is positioned at C ' D ' position, reflector 7 pivotally 11 turns to OD ' position, incident light source 8 be irradiated to be positioned at OD ' position reflector 7 on reflex to the B ' that light source accepts transducer 9 and put position, light source accepts transducer 9 induced signal and is connected on central processing unit 10 by input circuit, signal is sent to Surveillance center's computer by central processing unit 10 again, through identifying that central processing unit or computer judge, now contact abrasion is serious, sends alarm signal.
Claims (1)
1. an Intelligent high-voltage vacuum circuit breaker, comprise three arc interrupter poles (1), each arc interrupter pole there are upper bracket (2) and lower carriage (3), vacuum interrupter (5) is had in each arc interrupter pole (1), moving conductive rod (6) is had in vacuum interrupter (5), it is characterized in that: the incision position of the upper bracket (2) in each arc interrupter pole (1) and lower carriage (3) installs temperature transducer (4), in each vacuum interrupter (5), contact abrasion induction installation is installed, this contact abrasion induction installation comprises incident light source (8), reflector (7) and light source accept transducer (9), described reflector (7) leans against described moving conductive rod (6) and goes up and rotate around a pivot (11), described incident light source (8) and light source accept transducer (9) and arrange relative to the reflecting surface of reflecting plate (7), incident light source (8) is radiated on reflector (7), reverberation shines light source and accepts on transducer (9), six temperature transducers (4) and three light sources accept transducer (9) and are connected on central processing unit (10) by input circuit, and central processing unit (10) signal output part is connected with Surveillance center computer, described incident light source (8) is lasing light emitter,
Contact abrasion induction installation is not when contact weares and teares or wearing and tearing are very little: the end of moving conductive rod (6) is positioned at CD position, reflector (7) is positioned at OD position, incident light source (8) be irradiated to be positioned at OD position reflector (7) on reflex to the B point position that light source accepts transducer (9), light source accepts transducer (9) induced signal and is connected on central processing unit (10) by input circuit, signal is sent to Surveillance center's computer by central processing unit (10) again, through identifying that central processing unit or computer judge, now contact abrasion belongs to normal range (NR), do not send alarm signal,
When contact abrasion is very large: the end of moving conductive rod (6) is positioned at C ' D ' position, reflector (7) pivotally (11) turns to OD ' position, incident light source (8) be irradiated to be positioned at OD ' position reflector (7) on reflex to the B ' that light source accepts transducer (9) and put position, light source accepts transducer (9) induced signal and is connected on central processing unit (10) by input circuit, signal is sent to Surveillance center's computer by central processing unit (10) again, through identifying that central processing unit or computer judge, now contact abrasion is serious, send alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198997.5A CN102074408B (en) | 2009-11-19 | 2009-11-19 | Intelligent high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198997.5A CN102074408B (en) | 2009-11-19 | 2009-11-19 | Intelligent high-voltage vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102074408A CN102074408A (en) | 2011-05-25 |
| CN102074408B true CN102074408B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910198997.5A Expired - Fee Related CN102074408B (en) | 2009-11-19 | 2009-11-19 | Intelligent high-voltage vacuum circuit breaker |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180728B (en) | 2016-03-11 | 2020-08-25 | Abb瑞士股份有限公司 | Solid-sealed polar pole and assembling method thereof |
| CN106783374A (en) * | 2017-02-15 | 2017-05-31 | 江苏森源电气股份有限公司 | A kind of breaker vacuum pipe contact life-span on-line measuring device |
| CN106783375A (en) * | 2017-02-15 | 2017-05-31 | 江苏森源电气股份有限公司 | A kind of breaker vacuum pipe contact head abrasive loss intelligent online detection means |
| CN111696822B (en) * | 2020-06-24 | 2022-06-14 | 广东电网有限责任公司电力科学研究院 | Vacuum arc-extinguishing chamber and pole-mounted switch |
| FR3124306A1 (en) | 2021-06-16 | 2022-12-23 | Schneider Electric Industries Sas | Device for breaking a medium voltage electrical circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201178062Y (en) * | 2008-02-05 | 2009-01-07 | 中国电力科学研究院 | AC high-voltage vacuum circuit breaker |
| CN101469971A (en) * | 2007-12-26 | 2009-07-01 | 上海西屋开关有限公司 | Method and apparatus for detecting contact head abrasive loss of vacuum circuit breaker |
| CN101515520A (en) * | 2009-03-23 | 2009-08-26 | 上海南华兰陵电气有限公司 | Intelligent self-diagnosis medium-pressure vacuum circuit breaker |
| CN201522959U (en) * | 2009-11-19 | 2010-07-07 | 上海西屋开关有限公司 | Intelligent high pressure vacuum circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0745153A (en) * | 1993-07-29 | 1995-02-14 | Toshiba Corp | Breaker |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469971A (en) * | 2007-12-26 | 2009-07-01 | 上海西屋开关有限公司 | Method and apparatus for detecting contact head abrasive loss of vacuum circuit breaker |
| CN201178062Y (en) * | 2008-02-05 | 2009-01-07 | 中国电力科学研究院 | AC high-voltage vacuum circuit breaker |
| CN101515520A (en) * | 2009-03-23 | 2009-08-26 | 上海南华兰陵电气有限公司 | Intelligent self-diagnosis medium-pressure vacuum circuit breaker |
| CN201522959U (en) * | 2009-11-19 | 2010-07-07 | 上海西屋开关有限公司 | Intelligent high pressure vacuum circuit breaker |
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| CN102074408A (en) | 2011-05-25 |
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Addressee: Shanghai Westinghouse Switch Co., Ltd. Document name: Notification of Termination of Patent Right |
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Addressee: Shanghai Westinghouse Switch Co., Ltd. Document name: Notification to Go Through Formalities Rectification of Restoration of Right |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20171119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |