CN105006806A - Circuit breaker series connection type electrical trip prevention circuit - Google Patents
Circuit breaker series connection type electrical trip prevention circuit Download PDFInfo
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- CN105006806A CN105006806A CN201510506537.XA CN201510506537A CN105006806A CN 105006806 A CN105006806 A CN 105006806A CN 201510506537 A CN201510506537 A CN 201510506537A CN 105006806 A CN105006806 A CN 105006806A
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Abstract
The invention discloses a circuit breaker series connection type electrical trip prevention circuit, and belongs to the electrical field. The trip prevention circuit is composed of a trip control circuit, a closing control circuit and a trip prevention control circuit, wherein one end of the trip control circuit is connected with a negative electrode control bus, and the other end of the trip control circuit is connected with a trip coil, a circuit breaker, a trip holding relay and a parallel circuit of a trip switch and the trip holding relay in series and then connected with a positive electrode control bus; one end of the closing control circuit is connected with the negative electrode control bus, and the other end of the closing control circuit is connected with a closing coil, a circuit breaker, a trip prevention relay, a closing holding relay and a parallel circuit of a closing switch and the closing holding relay in series and then connected with the positive electrode control bus; and one end of the trip prevention control circuit is connected with the negative electrode control bus, and the other end of the trip prevention control circuit is sequentially connected with a parallel circuit of the trip prevention relay and the trip holding relay, the trip prevention relay, and a parallel circuit of the closing switch and the closing holding relay in series and then connected with the positive electrode control bus.
Description
Technical field
The present invention relates to the electric anti-jump loop of a kind of circuit breaker, particularly the electric anti-jump loop of a kind of circuit breaker tandem, belongs to electric field.
Background technology
The so-called jump of circuit breaker refers to due to reasons such as the conjunction of closing circuit hand or distant conjunction contact adhesions, causes combined floodgate output always with switching voltage.After switch is because of fault tripping, can close again, protection act switch can tripping again, because be added with switching voltage always, switch can close again again at once.So to this phenomenon, popular is called " switch jump ".Jump once there is switch, switching damage can be caused, the serious switch that also can cause explodes, so anti-bouncing function is a requisite part in operation circuit, anti-jump loop has parallel and tandem, substantially the anti-jump loop being relay and coil composition adopted, but the relay quantity used in traditional anti-jump loop is more, circuit physical syndeton is complicated, electrical control logical relation is clear and intuitive not, is unfavorable for the Integrated manufacture of anti-jump loop, reliably working and working service.
Summary of the invention
The object of the invention is to overcome existing anti-jump loop relay too much, complex structure and other problems, provide a kind of circuit breaker tandem electric anti-jump loop.
For realizing object of the present invention, have employed following technical scheme: the electric anti-jump loop of a kind of circuit breaker tandem, be made up of tripping operation control loop, shutting-brake control loop and anti-jump control loop, described tripping operation control loop one end is connected with negative pole control bus-KM, and the other end often opens auxiliary contact DL1 successively with breaking coil TQ, circuit breaker, the latching relay TBJ that trips, trip switch TZK are connected with positive pole control bus+KM after being in series with first parallel circuits often opening auxiliary contact TBJ1 of the latching relay TBJ that trips; Described one end, shutting-brake control loop is connected with negative pole control bus-KM, and the other end is connected with positive pole control bus+KM after being in series with first parallel circuits often opening auxiliary contact HBJ1 of combined floodgate latching relay HBJ with the normally closed auxiliary contact FTJ2 of closing coil HQ, circuit breaker normally closed auxiliary contact DL2, anti-trip relay FTJ, combined floodgate latching relay HBJ, closing switch HZK successively; Described anti-jump control loop one end is connected with negative pole control bus-KM, the other end successively with anti-trip relay FTJ often open that auxiliary contact FTJ1 and second of the latching relay TBJ that trips often leave the parallel circuits of auxiliary contact TBJ2, anti-trip relay FTJ, closing switch HZK are connected with positive pole control bus+KM after being in series with first parallel circuits often opening auxiliary contact HBJ1 of combined floodgate latching relay HBJ.
Positive Advantageous Effects of the present invention is: this loop structure is simple, work is effectively reliable, and the relay quantity used is considerably less, effectively reduce the complexity of circuit, be applied in and anti-jump loop make circuit physical wiring is simpler, electrical control logical relation is more clear and intuitive, working service is more convenient.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
As shown in Figure 1, the electric anti-jump loop of a kind of circuit breaker tandem, bag tripping operation control loop, shutting-brake control loop and anti-jump control loop, formed primarily of tripping operation latching relay TBJ, combined floodgate latching relay HBJ, anti-trip relay FTJ, auxiliary contacts of circuit breaker DL, breaking coil TQ, closing coil HQ, trip switch TZK, closing switch HZK.Tripping operation control loop one end of the electric anti-jump loop of described circuit breaker tandem is connected with negative pole control bus (-KM), and the other end often opens auxiliary contact DL1 successively with breaking coil TQ, circuit breaker, the latching relay TBJ that trips, trip switch TZK are connected with positive pole control bus (+KM) after being in series with first parallel circuits often opening auxiliary contact TBJ1 of the latching relay TBJ that trips; One end, shutting-brake control loop of the electric anti-jump loop of described circuit breaker tandem is connected with negative pole control bus, and the other end is connected with positive pole control bus after being in series with first parallel circuits often opening auxiliary contact HBJ1 of combined floodgate latching relay HBJ with the normally closed auxiliary contact FTJ2 of closing coil HQ, circuit breaker normally closed auxiliary contact DL2, anti-trip relay FTJ, combined floodgate latching relay HBJ, closing switch HZK successively; Anti-jump control loop one end of the electric anti-jump loop of described circuit breaker tandem is connected with negative pole control bus, the other end successively with anti-trip relay FTJ often open that auxiliary contact FTJ1 and second of the latching relay TBJ that trips often leave the parallel circuits of auxiliary contact TBJ2, anti-trip relay FTJ, closing switch HZK are connected with positive pole control bus after being in series with first parallel circuits often opening auxiliary contact HBJ1 of combined floodgate latching relay HBJ.
The operation principle of this anti-jump loop is: when circuit breaker carries out closing operation or closing pulse signal is effective, closing switch HZK closes, combined floodgate latching relay HBJ coil obtains electric, first of combined floodgate latching relay HBJ often opens auxiliary contact HBJ1 and closes, closing coil HQ obtains electric, complete breaker closing action, it is closed that then circuit breaker normally closed auxiliary contact DL2 disconnects, circuit breaker often opens auxiliary contact DL1, cuts off shutting-brake control loop, when circuit breaker carries out trip operation or tripping operation pulse signal is effective, trip switch TZK closes, tripping operation latching relay TBJ coil obtains electric, first of tripping operation latching relay TBJ often opens auxiliary contact TBJ1 and closes, breaking coil TQ obtains electric (circuit breaker is often opened auxiliary contact DL1 and closed), complete circuit breaker trip action, then circuit breaker often opens auxiliary contact DL1 disconnection, circuit breaker normally closed auxiliary contact DL2 is closed, cuts off tripping operation control loop, when breaker closing pulse signal is effectively and after completing breaker switching-on operation, if closing contact is off, and now line failure, protective device starting protection function, the control loop that will trip is connected, make circuit breaker trip, second of the latching relay TBJ that now trips often opens auxiliary contact TBJ2 and connects, anti-trip relay FTJ coil is made to obtain electric, the normally opened contact FTJ1 of anti-trip relay FTJ closes, anti-jump control loop is made to continue electric, the normally closed auxiliary contact FTJ2 of anti-trip relay FTJ disconnects simultaneously, long-term cut-out shutting-brake control loop, circuit breaker can not be closed a floodgate again, thus the circuit breaker breaker tripping and closing repeatedly when preventing line fault not get rid of, reach the anti-bouncing function of circuit breaker relaying protection.
Specific in an application examples, tripping operation latching relay TBJ uses Panasonic relay ST2-DC1.5V, combined floodgate latching relay HBJ uses Panasonic relay ST2-DC1.5V, anti-trip relay FTJ uses Panasonic relay ST1-DC48V, can form the electric anti-jump loop of the circuit breaker being applicable to 10kV and following electric pressure.The electric anti-jump loop of described circuit breaker tandem uses the anti-bouncing function often opening auxiliary contact FTJ1 and normally closed auxiliary contact FTJ2 realizing circuit of anti-trip relay FTJ, use the current start coil of anti-trip relay to realize anti-bouncing function with voltage hold-in winding with conventional tandem anti-jump loop to compare, there is the advantages such as circuit structure is simple, stable performance, use and maintenance convenience.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art are under the prerequisite without prejudice to invention spirit, for solving same technical problem, even if the equivalent variations of carrying out on basis of the present invention or replacement, the essence of its technical scheme is still the same with the present invention, and these equivalent variations or replacement are all included in the application's claim limited range.
Claims (1)
1. the electric anti-jump loop of circuit breaker tandem, be made up of tripping operation control loop, shutting-brake control loop and anti-jump control loop, it is characterized in that: described tripping operation control loop one end is connected with negative pole control bus-KM, the other end often opens auxiliary contact DL1 successively with breaking coil TQ, circuit breaker, the latching relay TBJ that trips, trip switch TZK are connected with positive pole control bus+KM after being in series with first parallel circuits often opening auxiliary contact TBJ1 of the latching relay TBJ that trips; Described one end, shutting-brake control loop is connected with negative pole control bus-KM, and the other end is connected with positive pole control bus+KM after being in series with first parallel circuits often opening auxiliary contact HBJ1 of combined floodgate latching relay HBJ with the normally closed auxiliary contact FTJ2 of closing coil HQ, circuit breaker normally closed auxiliary contact DL2, anti-trip relay FTJ, combined floodgate latching relay HBJ, closing switch HZK successively; Described anti-jump control loop one end is connected with negative pole control bus-KM, the other end successively with anti-trip relay FTJ often open that auxiliary contact FTJ1 and second of the latching relay TBJ that trips often leave the parallel circuits of auxiliary contact TBJ2, anti-trip relay FTJ, closing switch HZK are connected with positive pole control bus+KM after being in series with first parallel circuits often opening auxiliary contact HBJ1 of combined floodgate latching relay HBJ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506537.XA CN105006806A (en) | 2015-08-18 | 2015-08-18 | Circuit breaker series connection type electrical trip prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506537.XA CN105006806A (en) | 2015-08-18 | 2015-08-18 | Circuit breaker series connection type electrical trip prevention circuit |
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| Publication Number | Publication Date |
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| CN105006806A true CN105006806A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510506537.XA Pending CN105006806A (en) | 2015-08-18 | 2015-08-18 | Circuit breaker series connection type electrical trip prevention circuit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856298A (en) * | 2017-03-24 | 2017-06-16 | 北京北方箱变电气有限公司 | Medium voltage switchgear equipment |
| CN108306255A (en) * | 2018-03-20 | 2018-07-20 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Manipulation type protects circuit and guard method temporarily |
| CN108710291A (en) * | 2018-06-19 | 2018-10-26 | 国网河南省电力公司灵宝市供电公司 | A kind of anti-jump control circuit of adaptive breaker |
| CN108988286A (en) * | 2018-06-26 | 2018-12-11 | 河南森源电气股份有限公司 | A kind of anti-jump one-way conduction control circuit of low pressure |
| CN110473724A (en) * | 2019-08-14 | 2019-11-19 | 珠海存中信息技术有限公司 | A kind of automatic three-phase control system of medium voltage electricity switch |
| CN111509667A (en) * | 2020-05-29 | 2020-08-07 | 常州佳讯光电系统工程有限公司 | Undervoltage protection control device matched with distributed photovoltaic grid-connected switch |
| CN112086942A (en) * | 2020-09-18 | 2020-12-15 | 南京南瑞继保电气有限公司 | Anti-tripping loop and control method thereof |
| CN117650491A (en) * | 2024-01-18 | 2024-03-05 | 南京国电南自电网自动化有限公司 | Optimization method for preventing misoperation of direct current system operation loop |
| CN109167264B (en) * | 2018-09-20 | 2024-03-08 | 湖北长江电气有限公司 | Jump preventing device for circuit breaker in high-voltage switch cabinet |
Citations (3)
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| JPS58108923A (en) * | 1981-12-21 | 1983-06-29 | 三菱電機株式会社 | Protecting relay device |
| CN1996696A (en) * | 2006-11-14 | 2007-07-11 | 北海银河高科技产业股份有限公司 | Control circuit for intelligent breaker loop protection |
| CN204858540U (en) * | 2015-08-18 | 2015-12-09 | 安阳工学院 | Circuit breaker serial -type is electric prevents rebound way |
-
2015
- 2015-08-18 CN CN201510506537.XA patent/CN105006806A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58108923A (en) * | 1981-12-21 | 1983-06-29 | 三菱電機株式会社 | Protecting relay device |
| CN1996696A (en) * | 2006-11-14 | 2007-07-11 | 北海银河高科技产业股份有限公司 | Control circuit for intelligent breaker loop protection |
| CN204858540U (en) * | 2015-08-18 | 2015-12-09 | 安阳工学院 | Circuit breaker serial -type is electric prevents rebound way |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856298A (en) * | 2017-03-24 | 2017-06-16 | 北京北方箱变电气有限公司 | Medium voltage switchgear equipment |
| CN108306255A (en) * | 2018-03-20 | 2018-07-20 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Manipulation type protects circuit and guard method temporarily |
| CN108306255B (en) * | 2018-03-20 | 2024-01-26 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Operation type temporary protection circuit and protection method |
| CN108710291A (en) * | 2018-06-19 | 2018-10-26 | 国网河南省电力公司灵宝市供电公司 | A kind of anti-jump control circuit of adaptive breaker |
| CN108710291B (en) * | 2018-06-19 | 2024-02-06 | 国网河南省电力公司灵宝市供电公司 | Self-adaptive circuit breaker anti-jump control circuit |
| CN108988286A (en) * | 2018-06-26 | 2018-12-11 | 河南森源电气股份有限公司 | A kind of anti-jump one-way conduction control circuit of low pressure |
| CN109167264B (en) * | 2018-09-20 | 2024-03-08 | 湖北长江电气有限公司 | Jump preventing device for circuit breaker in high-voltage switch cabinet |
| CN110473724A (en) * | 2019-08-14 | 2019-11-19 | 珠海存中信息技术有限公司 | A kind of automatic three-phase control system of medium voltage electricity switch |
| CN111509667A (en) * | 2020-05-29 | 2020-08-07 | 常州佳讯光电系统工程有限公司 | Undervoltage protection control device matched with distributed photovoltaic grid-connected switch |
| CN112086942A (en) * | 2020-09-18 | 2020-12-15 | 南京南瑞继保电气有限公司 | Anti-tripping loop and control method thereof |
| CN112086942B (en) * | 2020-09-18 | 2022-07-22 | 南京南瑞继保电气有限公司 | Anti-tripping loop and control method thereof |
| CN117650491A (en) * | 2024-01-18 | 2024-03-05 | 南京国电南自电网自动化有限公司 | Optimization method for preventing misoperation of direct current system operation loop |
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Application publication date: 20151028 |
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| WD01 | Invention patent application deemed withdrawn after publication |