CN104269828B - The protective loop of high-voltage circuitbreaker energy storage driving motor - Google Patents
The protective loop of high-voltage circuitbreaker energy storage driving motor Download PDFInfo
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- CN104269828B CN104269828B CN201410584322.5A CN201410584322A CN104269828B CN 104269828 B CN104269828 B CN 104269828B CN 201410584322 A CN201410584322 A CN 201410584322A CN 104269828 B CN104269828 B CN 104269828B
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- energy storage
- driving motor
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- time relay
- closed contact
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- 238000004146 energy storage Methods 0.000 title claims abstract description 85
- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The present invention provides a kind of protective loop of high-voltage circuitbreaker energy storage driving motor, including air switch KK, energy storage limit normally-closed contact C, energy storage driving motor M, background monitoring system and time relay sj 1；There is time relay sj 1 delay to disconnect normally-closed contact SJ1-1 and normally opened contact SJ1-2；One end of air switch KK is electrically connected with one end of energy storage limit normally-closed contact C；It is conllinear that the delay of the other end and the end of incoming cables of the coil of time relay sj 1 and time relay sj 1 of energy storage limit normally-closed contact C disconnects one end of normally-closed contact SJ1-1；The other end that delay disconnects normally-closed contact SJ1-1 is electrically connected with one end of the coil of energy storage driving motor M；The normally opened contact SJ1-2 of time relay sj 1 is electrically connected with background monitoring system signal.The present invention can effectively prevent energy storage driving motor to be burned and simple in structure, easy to implement, of low cost.
Description
Technical field
The present invention relates to the protective devices of the high-voltage circuitbreaker in electric system, and in particular to a kind of high-voltage circuitbreaker energy storage
The protective loop of driving motor.
Background technology
Currently, the operating mechanism of electric system mesohigh breaker generally uses the operating mechanism of combined floodgate energy storage.Breaker
In closing success, energy-stored spring releases energy automatically, the energy-stored spring for losing energy storage energy need to re-start energy storage in case under
Secondary use.Again energy storage generally uses energy storage driving motor to energy-stored spring.The energy-stored spring of existing high-voltage circuitbreaker is normal
In thermal energy storage process, so that the limit that high-voltage breaker spring energy-storage crank arm touches installation is touched after the energy release of energy-stored spring
Point conducting, the conducting of limit contact make energy storage driving motor work once electrified to energy-stored spring energy storage.Energy-stored spring is in thermal energy storage process
It is stretched, when it is stretched to extreme position, energy storage is full, limits contact at this time and disconnects so that energy storage driving motor dead electricity is stopped
It only works to stop terminating energy-stored spring energy storage namely the secondary energy-stored spring energy storage.
The stored energy mechanism of high-voltage circuitbreaker at present carries out the capacitor bank of automatic switching especially in accordance with idle work optimization
Capacitor standoff breaker etc. can cause circuit that provisional failure frequently occurs due to thunder and lightning etc., relay protection at this time and
Automatic device can frequently carry out the operation of circuit-breaker switching on-off, and the frequent operation of circuit-breaker switching on-off can make the energy storage machine of breaker
Structure breaks down or the failure of exception, especially stored energy mechanism and its limit contact, should after leading to energy-stored spring energy storage
Limit contact cannot disconnect, and limit contact cannot disconnect, and energy storage driving motor will dally always.When energy storage driving motor is long
Between dally and necessarily it made to burn out.And energy storage driving motor burns out after closing a floodgate rear breaker next time and cannot be carried out again to energy-stored spring
Energy storage can influence the normal operation of breaker and cause equipment power outage.Since energy storage driving motor is typically mounted on open circuit
Inside device, it is big and cumbersome to replace difficulty.And replace energy storage driving motor and need to dismount the switching mechanism of breaker,
It is easy failure new caused by maloperation is to breaker.
Invention content
The purpose of the present invention is：It overcomes the deficiencies of the prior art and provide a kind of simple in structure, easy to implement, of low cost
And using when can effectively prevent the protective loop of high-voltage circuitbreaker energy storage driving motor that energy storage driving motor burns out.
The technical scheme is that：The protective loop of the high-voltage circuitbreaker energy storage driving motor of the present invention, including setting
Air switch KK in high-voltage circuitbreaker, energy storage limit normally-closed contact C, energy storage driving motor M and setting it is at the far end after
Platform monitoring system；It is structurally characterized in that：It further include the time relay sj 1 being arranged in high-voltage circuitbreaker；
There is the time relay sj 1 coil, delay to disconnect normally-closed contact SJ1-1 and normally opened contact SJ1-2；
One end of air switch KK is electrically connected with the firewire L of 220V AC powers；The other end of air switch KK and energy storage
Limit one end electrical connection of normally-closed contact C；Energy storage limit the other end of normally-closed contact C and the coil of time relay sj 1 into
One end that the delay of line end and time relay sj 1 disconnects normally-closed contact SJ1-1 is conllinear；Delay disconnects normally-closed contact SJ1-1
The other end be electrically connected with one end of the coil of energy storage driving motor M；The leading-out terminal of the coil of time relay sj 1 and energy storage
The other end of the coil of driving motor M is electrically connected with the zero curve N of 220V AC powers；The normally opened contact of time relay sj 1
SJ1-2 is electrically connected with background monitoring system signal.
The present invention has the effect of positive：（1）The protective loop of the high-voltage circuitbreaker energy storage driving motor of the present invention, passes through
The time relay is arranged to control the single working time of energy storage driving motor, when energy storage driving motor single works more than
The power supply that driving motor is automatically cut off when setting time, so as to effectively prevent what energy storage driving motor was burned by idle running to ask
Topic, at the same can also send immediately fault-signal notice background monitoring system, staff according to fault-signal to stored energy mechanism and/
Or the failures such as limit contact carry out simple process energy Power resumption, it is not necessary to the replacement for carrying out complicated energy storage driving motor, from
And can exempt from greatly to shorten maintenance time and cost, ensure the reliability of power supply.（2）The high-voltage circuitbreaker energy storage driving of the present invention
The protective loop of motor, it is simple in structure, easy to implement, of low cost.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Reference numeral in above-mentioned attached drawing is as follows：
Air switch KK, energy storage limit normally-closed contact C, time relay sj 1, and delay disconnects normally-closed contact SJ1-1, normally opened
Contact SJ1-2, energy storage driving motor M.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
（Embodiment 1）
See Fig. 1, the protective loop of the high-voltage circuitbreaker energy storage driving motor of the present embodiment, mainly by being arranged in high pressure open circuit
Air switch KK in device, energy storage limit normally-closed contact C, energy storage driving motor M, setting background monitoring system at the far end and
The time relay sj 1 being arranged in high-voltage circuitbreaker forms.
There is time relay sj 1 coil, delay to disconnect normally-closed contact SJ1-1 and normally opened contact SJ1-2.
One end of air switch KK is electrically connected with the firewire L of 220V AC powers；The other end of air switch KK and energy storage
Limit one end electrical connection of normally-closed contact C；Energy storage limit the other end of normally-closed contact C and the coil of time relay sj 1 into
One end that the delay of line end and time relay sj 1 disconnects normally-closed contact SJ1-1 is conllinear；Delay disconnects normally-closed contact SJ1-1
The other end be electrically connected with one end of the coil of energy storage driving motor M；The leading-out terminal of the coil of time relay sj 1 and energy storage
The other end of the coil of driving motor M is electrically connected with the zero curve N of 220V AC powers；The normally opened contact of time relay sj 1
SJ1-2 is electrically connected with background monitoring system signal.
The protective loop of the high-voltage circuitbreaker energy storage driving motor of the present embodiment, operation principle and course of work summary are such as
Under：
After high voltage circuit breaker closing makes spring energy discharge, stored energy mechanism connecting lever resets, and limit normally-closed contact C is closed,
The delay of time relay sj 1 disconnects normally-closed contact SJ1-1 and is in initial turn-on state, the coil of energy storage driving motor M at this time
Obtain electric so that energy storage driving motor M starts to work, driving energy-stored spring carries out energy storage.It starts to work in energy storage driving motor M
Meanwhile time relay sj 1 obtains electric and starts timing by setting time simultaneously；After energy-stored spring energy storage, mechanism connecting lever
Make afterwards in place limit normally-closed contact C disconnect so that energy storage driving motor M and 1 equal dead electricity of time relay sj and be stopped；This
When energy storage driving motor M normal ending status is in energy-stored spring energy storage.If because the stored energy mechanism of high-voltage circuitbreaker goes out
Existing failure, to cause energy storage limit normally-closed contact C that cannot normally disconnect, at this point, the timing time that time relay sj 1 is set
After arrival, the delay of time relay sj 1, which disconnects normally-closed contact SJ1-1, to be disconnected automatically, so that energy storage driving motor M loses
Electricity stalling.And 1 self-sustaining of time relay sj makes energy storage driving motor be constantly in power failure state, to reach protection energy storage
The purpose of driving motor M.Simultaneously when the timing time that time relay sj 1 is set reaches, the normally opened of time relay sj 1 touches
Point SJ1-2 is attracted, and to which fault-signal is transmitted to background monitoring system, staff is notified to carry out at failure the breaker
Reason.
To sum up, the protective loop of the high-voltage circuitbreaker energy storage driving motor of the present embodiment, by the way that the time relay pair is arranged
The single working time of energy storage driving motor is controlled, and is cut automatically when energy storage driving motor single works more than setting time
The power supply of disconnected driving motor, the problem of so as to effectively prevent energy storage driving motor to be burned because of idle running, while can also be immediately
It sends fault-signal and notifies background monitoring system, staff is according to fault-signal to the event such as stored energy mechanism and/or limit contact
Barrier carries out simple process energy Power resumption, it is not necessary to the replacement for carrying out complicated energy storage driving motor, so as to greatly shorten
Maintenance time and cost ensure the reliability of power supply；Moreover, the protection of the high-voltage circuitbreaker energy storage driving motor of the present embodiment is returned
Road, it is simple in structure, easy to implement, of low cost.
Above example is the explanation rather than limitation of the present invention to the specific implementation mode of the present invention, related technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various transformation and variation and obtain
To corresponding equivalent technical solution, therefore all equivalent technical solutions should be included into the patent protection model of the present invention
It encloses.
Claims (1)
1. a kind of protective loop of high-voltage circuitbreaker energy storage driving motor, including the air switch that is arranged in high-voltage circuitbreaker
KK, energy storage limit normally-closed contact C, energy storage driving motor M and setting background monitoring system at the far end；It is characterized in that：Also
Including the time relay sj 1 being arranged in high-voltage circuitbreaker；
There is the time relay sj 1 coil, delay to disconnect normally-closed contact SJ1-1 and normally opened contact SJ1-2；
One end of air switch KK is electrically connected with the firewire L of 220V AC powers；The other end of air switch KK is limited with energy storage
One end of normally-closed contact C is electrically connected；Energy storage limits the end of incoming cables of the other end of normally-closed contact C and the coil of time relay sj 1
And one end of the delay disconnection normally-closed contact SJ1-1 of time relay sj 1 is conllinear；Delay disconnects the another of normally-closed contact SJ1-1
One end is electrically connected with one end of the coil of energy storage driving motor M；The leading-out terminal of the coil of time relay sj 1 and energy storage driving
The other end of the coil of motor M is electrically connected with the zero curve N of 220V AC powers；The normally opened contact SJ1-2 of time relay sj 1
It is electrically connected with background monitoring system signal；
The time relay sj 1 controls the single working time of energy storage driving motor M, as energy storage driving motor M
When single works more than setting time, the delay of time relay sj 1 disconnects normally-closed contact SJ1-1 and disconnects to automatically cut off energy storage
The power supply of driving motor M, the normally opened contact SJ1-2 of time relay sj 1, which is closed to background monitoring system, sends failure letter
Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410584322.5A CN104269828B (en) | 2014-10-27 | 2014-10-27 | The protective loop of high-voltage circuitbreaker energy storage driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410584322.5A CN104269828B (en) | 2014-10-27 | 2014-10-27 | The protective loop of high-voltage circuitbreaker energy storage driving motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104269828A CN104269828A (en) | 2015-01-07 |
| CN104269828B true CN104269828B (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410584322.5A Active CN104269828B (en) | 2014-10-27 | 2014-10-27 | The protective loop of high-voltage circuitbreaker energy storage driving motor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720557A (en) * | 2016-04-15 | 2016-06-29 | 国网上海市电力公司 | Circuit breaker energy storage motor failure protection device and method for preventing energy storage motor failure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788612U (en) * | 2010-08-06 | 2011-04-06 | 北京市电力公司 | Relay protection practicing platform and analog energy storage loop thereof |
| CN202712093U (en) * | 2012-08-14 | 2013-01-30 | 王淑军 | Automatic switching-on device for universal circuit breaker |
| CN202856319U (en) * | 2012-09-26 | 2013-04-03 | 安徽鑫龙电器股份有限公司 | Protective circuit of circuit breaker energy storage motor |
| CN103384059A (en) * | 2013-07-08 | 2013-11-06 | 中国科学院等离子体物理研究所 | Vacuum circuit breaker energy storage motor protection circuit |
| CN204156505U (en) * | 2014-10-27 | 2015-02-11 | 江苏省电力公司常州供电公司 | A kind of protective loop of primary cut-out energy storage drive motors |
-
2014
- 2014-10-27 CN CN201410584322.5A patent/CN104269828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788612U (en) * | 2010-08-06 | 2011-04-06 | 北京市电力公司 | Relay protection practicing platform and analog energy storage loop thereof |
| CN202712093U (en) * | 2012-08-14 | 2013-01-30 | 王淑军 | Automatic switching-on device for universal circuit breaker |
| CN202856319U (en) * | 2012-09-26 | 2013-04-03 | 安徽鑫龙电器股份有限公司 | Protective circuit of circuit breaker energy storage motor |
| CN103384059A (en) * | 2013-07-08 | 2013-11-06 | 中国科学院等离子体物理研究所 | Vacuum circuit breaker energy storage motor protection circuit |
| CN204156505U (en) * | 2014-10-27 | 2015-02-11 | 江苏省电力公司常州供电公司 | A kind of protective loop of primary cut-out energy storage drive motors |
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| Publication number | Publication date |
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| CN104269828A (en) | 2015-01-07 |
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| CB02 | Change of applicant information |
Address after: 213003 No. 27, West Front Street, Changzhou, Jiangsu Applicant after: State Grid Jiangsu Electric Power Company, Changzhou Power Supply Company Applicant after: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: 213003 Jiangsu province Changzhou City Tianning District Bureau Street No. 27 Applicant before: Changzhou Power Supply Co, Jiangsu Provincial Power Corp. Applicant before: Jiangsu Electric Power Company Applicant before: State Grid Corporation of China |
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