CN104241014B - Vacuum circuit-breaker separating brake, closing coil protection controller and method - Google Patents
Vacuum circuit-breaker separating brake, closing coil protection controller and method Download PDFInfo
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- CN104241014B CN104241014B CN201410466397.3A CN201410466397A CN104241014B CN 104241014 B CN104241014 B CN 104241014B CN 201410466397 A CN201410466397 A CN 201410466397A CN 104241014 B CN104241014 B CN 104241014B
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Abstract
The present invention relates to a kind of vacuum circuit-breaker with point, closing coil protection controller and method, comprise binding post, divide-shut brake signal lamp and point, combined floodgate master control circuit plate, described point, combined floodgate master control circuit plate comprise separating brake Master control chip, combined floodgate Master control chip, separating brake power rectifier unit, power switch rectification unit, delay cut-off loop, separating brake voltage detection unit, switching voltage detecting unit, switching winding drive electronic switch, closing coil drive electronic switch; Described delay cut-off loop, coil breakage indicating member are connected to Master control chip; Described switching winding drives electronic switch to connect separating brake main control chip by delay cut-off loop; Described closing coil drives electronic switch to connect combined floodgate main control chip by delay cut-off loop; Described separating brake power rectifier unit is connected on separating brake main control chip by separating brake voltage detection unit; Described power switch rectification unit is connected on combined floodgate main control chip by switching voltage detecting unit, and described coil breakage indicating member is connected respectively to divide-shut brake signal lamp.To the invention solves point, technical barrier that closing coil often burns.
Description
Technical field
The present invention relates to vacuum circuit-breaker resist technology field, particularly relate to the secondary circuit protective device that high-voltage circuit breaker, closing coil are protected, relate in particular in one press vacuum circuit-breaker to divide, closing coil protection controller and method.
Background technology
Existing vacuum circuit-breaker divides, in closing circuit, often to have point, the situation of Burnout of Closing Coil occurs, bring a lot of trouble to relaying protection work, its failure cause be by following some cause: 1, circuit breaker operation mechanism generation bite tripping; 2, auxiliary contact is dead because the situations such as service time is comparatively of a specified duration, capacity is inadequate, arcing cause auxiliary contact to glue; 3, auxiliary contact position and on off state position not exclusively correspondence, action mismate.Above these situations all can make score, switching current long duration of action in point, closing coil so that cause coil burnout, affect safe and reliable power supply.In addition, present automatic control technology application is more and more general, divides, close a floodgate adopts remote control pattern more, once there is deciliter fault, not only can burn coil, more can involve other equipment, accident be expanded further, results in greater loss.
Summary of the invention
For correlative technology field document and above the deficiencies in the prior art; in a large amount of existing literature research with for a long time on the basis of association area Development Practice; the present invention proposes " a kind of vacuum circuit-breaker with point, closing coil protection intelligent controller and method "; to overcome in prior art technical barriers such as " often to have point, the situation of Burnout of Closing Coil occur "; realize the beneficial effect of " wiring is simple; be convenient to safeguard; safe and reliable; small investment, instant effect; and can to reduce the operating time; extension coil useful life, improves successful operation rate ".
For achieving the above object, the present invention is achieved by the following technical solutions: a kind of vacuum circuit-breaker use is divided, closing coil protection controller, comprise binding post, divide-shut brake signal lamp and point, combined floodgate master control circuit plate, described point, combined floodgate master control circuit plate comprises separating brake main control chip, combined floodgate main control chip, separating brake power rectifier unit, power switch rectification unit, delay cut-off loop, separating brake voltage detection unit, switching voltage detecting unit, switching winding drive electronic switch, closing coil to drive electronic switch and coil breakage indicating member; Described delay cut-off loop is connected with separating brake main control chip and combined floodgate main control chip respectively; Described switching winding drives electronic switch to connect separating brake main control chip by delay cut-off loop; Described closing coil drives electronic switch to connect combined floodgate main control chip by delay cut-off loop; Described separating brake power rectifier unit is connected on separating brake main control chip by separating brake voltage detection unit, and described power switch rectification unit is connected on combined floodgate main control chip by switching voltage detecting unit; Described separating brake main control chip and combined floodgate main control chip are connected respectively to coil breakage indicating member, and described coil breakage indicating member is connected to divide-shut brake signal lamp; Described power rectifier unit is used for transferring direct current through over commutation device to by interchange after receiving power supply signal; Described separating brake main control chip, combined floodgate main control chip, for gathering voltage signal, control delay cut-off loop, provide closing coil to drive electronic switch and switching winding to drive switching signal and the sub-gate signal of electronic switch; Described delay cut-off loop arranges 3 seconds delay times, gathers separating brake magnet, making electromagnet operate time respectively by separating brake main control chip and combined floodgate main control chip, more than 3 seconds delay cut-off circuit behavior, to cut off point, switching signal.
Described switching winding drives sub-gate signal, the switching signal that electronic switch, closing coil drive electronic switch reception separating brake main control chip, combined floodgate main control chip provides, to the instruction of switching winding separating brake, closing coil reclosing command, make switching winding, closing coil action.
Described divide-shut brake signal lamp is connected on point, in closing circuit, point, feed motion success, signal lamp is bright.
A kind of vacuum circuit-breaker use is divided, closing coil protecting control method, the method comprises the following steps: if step one breaker open operation, switching signal are normal, switching winding drives electronic switch and closing coil to drive electronic switch to start, divide-shut brake loop is connected, divide-shut brake coil motion is normal, and it is bright that divide-shut brake cuts off the divide-shut brake loop loop connection of coil breakage instruction simultaneously divide-shut brake signal lamp; Step 2, if there is fault, start-up study power-off loop, delay time 3s, if still existed more than 3s fault, switching winding drives electronic switch and closing coil to drive electronic switch to close, the on-off of divide-shut brake loop, divide-shut brake coil is failure to actuate, and divide-shut brake is abnormal, and coil breakage instruction loop is disconnected divide-shut brake signal lamp and do not worked.
The beneficial effect that the present invention possesses is: wiring is simple, be convenient to safeguard, safe and reliable, small investment, instant effect, and can the operating time be reduced, extension coil useful life, improve successful operation rate, there is higher economical and practical value, and labour intensity is low, intelligent good, be convenient to popularity and use.
Accompanying drawing explanation
Fig. 1 is the control principle schematic diagram of the specific embodiment of the invention;
Fig. 2 is the divide-shut brake loop structure schematic diagram of the specific embodiment of the invention;
Fig. 3 is the profile result figure of the specific embodiment of the invention.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, to the specific embodiment of the present invention as involved control system, mutual annexation, and implementation method, be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
The invention provides a kind of vacuum circuit-breaker with point, closing coil protection intelligent controller, this intelligent controller, primarily of binding post, divide-shut brake signal lamp and divide-shut brake master control circuit plate composition, is characterized in that: described point, combined floodgate master control circuit plate mainly by point, combined floodgate Master control chip, power rectifier, delay cut-off loop, coil drive electronic switch form; Described power rectifier transfers direct current through over commutation device to by interchange after receiving power supply signal: described point, combined floodgate Master control chip gathers voltage signal, control delay cut-off loop, there is provided that coil drive electronic switch divides, switching signal, described delay cut-off loop arranges 3 seconds delay times, by point, the collection of combined floodgate master control circuit chip divides, making electromagnet operate time, to cut off point more than 3 seconds delay cut-off circuit behavior, switching signal.Described coil drive electronic switch receives point, combined floodgate main control chip provides point, switching signal, to give point, closing coil divides, reclosing command, to make point, closing coil action.Described divide-shut brake signal lamp is connected in coil breakage instruction loop, is connected in parallel in divide-shut brake loop, breaking-closing operating loop normal and point, closing coil action success, normal divide-shut brake, signal lamp is bright.Delay cut-off loop and coil breakage instruction are used alone at separating brake and combined floodgate.Annexation is not had between separating brake control chip and shutting-brake control chip.Coil breakage instruction loop is connected respectively with divide-shut brake signal lamp.Coil breakage instruction is that a loop is connected in parallel in divide-shut brake loop, coil motion normal divide-shut brake when divide-shut brake loop is normal, and cut off the loop of coil breakage instruction simultaneously, divide-shut brake loop and connect, signal lamp is bright, otherwise does not then work.
Owing to the invention provides a kind of vacuum circuit-breaker with dividing, closing coil warranty intelligent controller is dividing, time delay cutoff circuit is integrated with in closing circuit, can when switching signal disappear, realize time delay disconnection point, closing operation loop, to make point, closing coil loss of excitation, divide-shut brake coil in operating process is avoided to be burnt out by exciting current for a long time, particularly in this intelligent controller integrated point, combined floodgate main control chip can gather voltage signal, delay cut-off time 3S is inside set, serial connection delay cut-off loop is being divided, in closing circuit, normal point is not affected time normal, closing operation, when contact is improper (as contact adhesion, when contact distortion) or under-voltage or mechanism's clamping stagnation, gather according to main control chip and to cut off deciliter more than 3S coil operate time, lock loop, to avoid point, when switching signal comes, continuous action causes point, closing coil is long charged, shorten and divide, closing coil useful life, reduce electric power safety, be connected with divide-shut brake signal lamp divide-shut brake coil motion signal lamp display red light normal information when circuit is normal time in described controller, in time having fault, signal lamp does not work, and easy access is located, wiring of the present invention is simple, is convenient to safeguard, safe and reliable, small investment, instant effect, and can the operating time be reduced, extension coil useful life, improve successful operation rate, there is higher economical and practical value, and labour intensity is low, intelligent good, be convenient to popularity and use.
Professional can also recognize further, in conjunction with the execution step that embodiment disclosed herein describes, can realize with electronic hardware, computer software or the combination of the two, these functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The present invention is not limited to above-mentioned specific embodiment; do not departing under the present invention's spirit and real situation thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention; these are tackled amendment that the present invention carries out mutually or equivalently to replace, and it all should be encompassed in the middle of the scope of claim of the present invention protection.
Claims (4)
1. a vacuum circuit-breaker with point, closing coil protection controller, comprise binding post, divide-shut brake signal lamp and point, combined floodgate master control circuit plate, it is characterized in that: described point, combined floodgate master control circuit plate comprises separating brake main control chip, combined floodgate main control chip, separating brake power rectifier unit, power switch rectification unit, delay cut-off loop, separating brake voltage detection unit, switching voltage detecting unit, switching winding drive electronic switch, closing coil to drive electronic switch and coil breakage indicating member; Described delay cut-off loop is connected with separating brake main control chip and combined floodgate main control chip respectively; Described switching winding drives electronic switch to connect separating brake main control chip by delay cut-off loop; Described closing coil drives electronic switch to connect combined floodgate main control chip by delay cut-off loop; Described separating brake power rectifier unit is connected on separating brake main control chip by separating brake voltage detection unit, and described power switch rectification unit is connected on combined floodgate main control chip by switching voltage detecting unit; Described separating brake main control chip and combined floodgate main control chip are connected respectively to coil breakage indicating member, and described coil breakage indicating member is connected to divide-shut brake signal lamp; Described power rectifier unit is used for transferring direct current through over commutation device to by interchange after receiving power supply signal; Described separating brake main control chip, combined floodgate main control chip, for gathering voltage signal, control delay cut-off loop, provide closing coil to drive electronic switch and switching winding to drive switching signal and the sub-gate signal of electronic switch; Described delay cut-off loop arranges 3 seconds delay times, gathers separating brake magnet, making electromagnet operate time respectively by separating brake main control chip and combined floodgate main control chip, more than 3 seconds delay cut-off circuit behavior, to cut off point, switching signal.
2. controller according to claim 1, it is characterized in that: described switching winding drives sub-gate signal, the switching signal that electronic switch, closing coil drive electronic switch reception separating brake main control chip, combined floodgate main control chip provides, to the instruction of switching winding separating brake, closing coil reclosing command, make switching winding, closing coil action.
3. controller according to claim 1, is characterized in that: described divide-shut brake signal lamp is connected on point, in closing circuit, point, feed motion success, signal lamp is bright.
4. a kind of vacuum circuit-breaker use according to claims 1 to 3 any one claim is divided, closing coil protecting control method, it is characterized in that: the method comprises the following steps:
If step one breaker open operation, switching signal are normal, switching winding drives electronic switch and closing coil to drive electronic switch to start, divide-shut brake loop is connected, divide-shut brake coil motion is normal, and it is bright that divide-shut brake cuts off the divide-shut brake loop loop connection of coil breakage instruction simultaneously divide-shut brake signal lamp;
Step 2, if there is fault, start-up study power-off loop, delay time 3s, if still existed more than 3s fault, switching winding drives electronic switch and closing coil to drive electronic switch to close, the on-off of divide-shut brake loop, divide-shut brake coil is failure to actuate, and divide-shut brake is abnormal, and coil breakage instruction loop is disconnected divide-shut brake signal lamp and do not worked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466397.3A CN104241014B (en) | 2014-09-13 | 2014-09-13 | Vacuum circuit-breaker separating brake, closing coil protection controller and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466397.3A CN104241014B (en) | 2014-09-13 | 2014-09-13 | Vacuum circuit-breaker separating brake, closing coil protection controller and method |
Publications (2)
| Publication Number | Publication Date |
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| CN104241014A CN104241014A (en) | 2014-12-24 |
| CN104241014B true CN104241014B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410466397.3A Active CN104241014B (en) | 2014-09-13 | 2014-09-13 | Vacuum circuit-breaker separating brake, closing coil protection controller and method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911121A (en) * | 2017-04-21 | 2017-06-30 | 贵州电网有限责任公司 | A kind of guard method of intelligent breaker closing coil protection device |
| CN109166770A (en) * | 2018-09-20 | 2019-01-08 | 湖北长江电气有限公司 | A kind of high-tension switch cabinet inner breaker divide-shut brake coil state instruction device |
| CN111181138A (en) * | 2020-03-11 | 2020-05-19 | 广东电网有限责任公司 | Intelligent protection device and method for opening and closing coil of circuit breaker |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB406961A (en) * | 1932-11-26 | 1934-03-08 | British Thomson Houston Co Ltd | Improvements in and relating to automatic reclosing circuit breaker systems |
| US3725830A (en) * | 1972-03-24 | 1973-04-03 | Mc Graw Edison Co | Control means for reclosing circuit breaker |
| JP4619101B2 (en) * | 2004-11-29 | 2011-01-26 | テンパール工業株式会社 | Circuit breaker with reclosing function |
| JP2007335243A (en) * | 2006-06-15 | 2007-12-27 | Chugoku Electric Power Co Inc:The | Digital protection relay device with built-in phase control |
| CN202353172U (en) * | 2011-09-21 | 2012-07-25 | 苏州工业园区新宏博通讯科技有限公司 | Three-phase power supply automatic reclosure protector |
| CN102790375B (en) * | 2012-08-06 | 2015-04-22 | 上海诺雅克电气有限公司 | Direct current undervoltage release and circuit breaker |
| CN103123882B (en) * | 2013-02-26 | 2015-02-11 | 滁州学院 | Intelligent controller of bistable permanent-magnet vacuum circuit breaker |
| CN203800558U (en) * | 2014-01-24 | 2014-08-27 | 国家电网公司 | Automatic switch-on controller |
| CN204179005U (en) * | 2014-09-13 | 2015-02-25 | 安徽鑫龙电器股份有限公司 | Middle pressure vacuum circuit-breaker divides, closing coil protection controller |
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Address after: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District No. 118 North Park electrical components Applicant after: ANHUI ZHONGDIAN XINGFA AND XINLONG TECHNOLOGY CO., LTD. Address before: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District No. 118 North Park electrical components Applicant before: Xinlong Electric-Appliance Co., Ltd., Anhui |
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