CN203365563U - Intelligent simulated circuit breaker - Google Patents
Intelligent simulated circuit breaker Download PDFInfo
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- CN203365563U CN203365563U CN 201320288927 CN201320288927U CN203365563U CN 203365563 U CN203365563 U CN 203365563U CN 201320288927 CN201320288927 CN 201320288927 CN 201320288927 U CN201320288927 U CN 201320288927U CN 203365563 U CN203365563 U CN 203365563U
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- separating brake
- closing
- branch road
- relay
- indication
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- 238000005516 engineering process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model relates to an intelligent simulated circuit breaker. The intelligent simulated circuit breaker comprises a control circuit, an indication loop and an output module, wherein the input end of the control circuit is connected with a direct-current power supply, the output end of the control circuit is connected with the indication loop and the output module respectively, and the input end of the indication loop is connected with the direct-current power supply; the control circuit comprises an opening control branch circuit and a closing control branch circuit; the opening control branch circuit comprises an opening relay FJ and a closing switch FA which are serially connected; the closing control branch circuit comprises an opening relay normally-open contact FJ2 and a closing relay HJ which are serially connected; a closing switch HA and a closing relay normally-open contact HJ1 which are arranged in parallel are further serially connected between the opening relay normally-open contact FJ2 and the closing relay HJ; and the closing control branch circuit further comprises a middle relay KM and a closing relay normally-open contact HJ3 which are arranged at the both ends of the direct-current power supply in parallel and serially connected. The intelligent simulated circuit breaker disclosed by the utility model is capable of really simulating the on-off action characteristics of a circuit breaker, and is long in service life.
Description
Technical field
The utility model relates to electronic technology field, especially for the intelligent type simulated isolating switch of reaying protection test in electric system.
Background technology
Along with rapid development of economy, China's electric grid investment is built dynamics and is strengthened year by year, and the quantity of the isolating switch of the transformer station of annual newly operation and each newly-increased electric pressure also increases year by year.Isolating switch is a kind of electric current that can close, carry and cut-off under normal loop condition, and can close, in official hour, carry and cut-off the switchgear of the electric current under abnormal loop condition (comprising short circuit condition).
For safeguarding the safe operation of each equipment of electric system, power department all will be overhauled, be debugged and relevant reaying protection test every year, in these work, all will use isolating switch.In addition, the experimenter is giveed training also and will use isolating switch.Isolating switch has certain serviceable life, generally can deciliters several thousand time, and carry out a test and need deciliter isolating switch tens times even more, the serviceable life of so easy reduction isolating switch.
The utility model content
The utility model technical issues that need to address are to provide a kind of switch action characteristic of mimic-disconnecting switch truly, have an intelligent type simulated isolating switch than the long life again.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
Intelligent type simulated isolating switch comprises control circuit, be used to indicate the indication loop of opening and closing state and for exporting the output module of connecting cut-off signals, the input end of described control circuit connects direct supply, the output terminal of control circuit is connected with indication loop and output module respectively, and the input end in described indication loop also is connected with direct supply.
Described control circuit comprises that the separating brake be connected with the direct supply both positive and negative polarity is respectively controlled branch road and combined floodgate is controlled branch road.Described separating brake is controlled branch road and is comprised separating brake relay FJ and the separating brake switch FA be connected in series; Described combined floodgate is controlled branch road and is comprised separating brake relay normally open contact FJ2 and the closing relay HJ be connected in series, also be connected in series with the closing switch HA and the closing relay normally opened contact HJ1 that are arranged in parallel between separating brake relay normally closed contact FJ2 and closing relay HJ, described combined floodgate is controlled branch road and is also comprised auxiliary reclay KM and the closing relay normally opened contact HJ3 that is arranged in parallel at the direct supply two ends, is connected in series.
Improvement of the present utility model is: described indication loop comprises combined floodgate indication branch road and the separating brake indication branch road be connected with the direct supply both positive and negative polarity respectively.Combined floodgate pilot lamp RL and auxiliary reclay normally opened contact KM5 that a described combined floodgate indication route is connected in series form, and separating brake pilot lamp GL and separating brake relay normally open contact FJ4 that a described separating brake indication route is connected in series form.
Further improvement of the utility model is: described output module comprises four groups of auxiliary reclay auxiliary contact that are arranged in parallel.
Further improvement of the present utility model is: also be connected with reverse checkvalve D2 between the separating brake relay FJ of described separating brake control branch road and DC power cathode, between the closing relay HJ of described combined floodgate control branch road and DC power cathode, also be connected with reverse checkvalve D1.
Owing to having adopted technique scheme, the technical progress that the utility model is obtained is:
Control circuit of the present utility model is the switch action characteristic of mimic-disconnecting switch truly; when reaying protection test; but the tripping operation of real simulation isolating switch and combined floodgate, the isolating switch of having avoided replica test to cause is deciliter harmful effect brought repeatedly, and serviceable life is longer.
Combined floodgate pilot lamp, separating brake pilot lamp that indication of the present utility model loop arranges can truly reflect breaker open operation, "on" position, give the staff with the effect of divide-shut brake prompting intuitively, have improved the reliability of mimic-disconnecting switch operation.
Four groups of auxiliary reclay auxiliary contact of output module setting of the present utility model can be used for output and connect cut-off signals.
Be connected in series respectively reverse checkvalve on two branch roads of control circuit of the present utility model, diode, prevent from controlling the branch road reverse-conducting, guarantees to control the branch road normal operation.
The accompanying drawing explanation
Fig. 1: circuit structure block diagram of the present utility model;
Fig. 2: the circuit diagram of control circuit described in the utility model;
Fig. 3: the circuit diagram in indication described in the utility model loop;
Fig. 4: the circuit diagram of output module described in the utility model;
Fig. 5: the structural representation of cabinet shell control panel of the present utility model.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is done further to describe in detail:
A kind of circuit structure block diagram of intelligent type simulated isolating switch, as shown in Figure 1, comprise control circuit, indication loop and output module.The input end of control circuit connects direct supply, and the output terminal of control circuit is connected with indication loop and output module respectively, and the input end in indication loop is connected with direct supply.
Control circuit as shown in Figure 2, comprises that the separating brake be connected with the direct supply both positive and negative polarity is respectively controlled branch road and combined floodgate is controlled branch road.Separating brake is controlled branch road and is comprised separating brake relay FJ, separating brake switch FA and the reverse checkvalve D2 be connected in series; The control branch road that closes a floodgate comprises separating brake relay normally closed contact FJ2, closing relay HJ and the reverse checkvalve D1 be connected in series, also be connected in series with the closing switch HA and the closing relay normally opened contact HJ1 that are arranged in parallel between separating brake relay normally closed contact FJ2 and closing relay HJ, the control branch road that closes a floodgate also comprises auxiliary reclay KM and the closing relay normally opened contact HJ3 that is arranged in parallel at the direct supply two ends, is connected in series.
The indication loop as shown in Figure 3, comprises the combined floodgate indication branch road and the separating brake indication branch road that are connected with the direct supply both positive and negative polarity respectively.Combined floodgate pilot lamp RL and auxiliary reclay normally opened contact KM5 that the indication route of closing a floodgate is connected in series form, and separating brake pilot lamp GL and separating brake relay normally open contact FJ4 that a separating brake indication route is connected in series form.
Output module as shown in Figure 4, comprises four groups of auxiliary reclay auxiliary contact that are arranged in parallel, two groups of normally opened contacts that wherein KM1 and KM3 are auxiliary reclay, two groups of normally closed contacts that KM2 and KM4 are auxiliary reclay.
Each device of intelligent type simulated isolating switch is arranged in insulation box, the structural representation of the control panel of cabinet shell, as shown in Figure 5, the panel right side sets gradually the button of direct supply both positive and negative polarity connection terminal DC+ and DC-, closing switch HA, the button of separating brake switch FA; Panel left side sets gradually four groups of auxiliary reclay auxiliary contact KM1, KM2, the KM3 of combined floodgate pilot lamp RL, separating brake pilot lamp GL, output module, the connection terminal of KM4.
While using intelligent type simulated isolating switch to carry out reaying protection test, at first the connection terminal of direct supply both positive and negative polarity is communicated with to power supply.When the button of separating brake switch FA is pressed, the coil of separating brake relay FJ obtains electric, and separating brake is controlled the branch road conducting; Separating brake relay normally open contact FJ4 conducting simultaneously, separating brake pilot lamp GL lights; Separating brake relay normally closed contact FJ2 disconnects, and the control branch road that closes a floodgate is not worked.
When the button of closing switch HA is pressed, if the separating brake switch is not activated, the normally closed contact FJ2 adhesive of separating brake relay, close a floodgate and control the branch road conducting, the coil of closing relay HJ obtains electric, closing relay normally opened contact HJ1 closure, always in running order to guarantee closing relay simultaneously; In closing relay action time,, the normally opened contact HJ3 closure of closing relay, obtain the coil of auxiliary reclay KM electric, the normally opened contact KM5 closure of auxiliary reclay, and combined floodgate pilot lamp RL lights.Meanwhile, four auxiliary reclay auxiliary contact actions in output module, output is corresponding turn-offs or turn-on command.
Claims (4)
1. intelligent type simulated isolating switch, it is characterized in that: comprise control circuit, be used to indicate the indication loop of opening and closing state and for exporting the output module of connecting cut-off signals, the input end of described control circuit connects direct supply, the output terminal of control circuit is connected with indication loop and output module respectively, and the input end in described indication loop also is connected with direct supply;
Described control circuit comprises that the separating brake be connected with the direct supply both positive and negative polarity is respectively controlled branch road and combined floodgate is controlled branch road; Described separating brake is controlled branch road and is comprised separating brake relay FJ and the separating brake switch FA be connected in series; Described combined floodgate is controlled branch road and is comprised separating brake relay normally open contact FJ2 and the closing relay HJ be connected in series, also be connected in series with the closing switch HA and the closing relay normally opened contact HJ1 that are arranged in parallel between separating brake relay normally closed contact FJ2 and closing relay HJ, described combined floodgate is controlled branch road and is also comprised auxiliary reclay KM and the closing relay normally opened contact HJ3 that is arranged in parallel at the direct supply two ends, is connected in series.
2. intelligent type simulated isolating switch according to claim 1 is characterized in that: described indication loop comprises combined floodgate indication branch road and the separating brake indication branch road be connected with the direct supply both positive and negative polarity respectively; Combined floodgate pilot lamp RL and auxiliary reclay normally opened contact KM5 that a described combined floodgate indication route is connected in series form, and separating brake pilot lamp GL and separating brake relay normally open contact FJ4 that a described separating brake indication route is connected in series form.
3. intelligent type simulated isolating switch according to claim 1, it is characterized in that: described output module comprises four groups of auxiliary reclay auxiliary contact that are arranged in parallel.
4. according to the described intelligent type simulated isolating switch of claims 1 to 3 any one, it is characterized in that: also be connected in series with reverse checkvalve D2 between the separating brake relay FJ of described separating brake control branch road and DC power cathode, between the closing relay HJ of described combined floodgate control branch road and DC power cathode, also be connected in series with reverse checkvalve D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320288927 CN203365563U (en) | 2013-05-24 | 2013-05-24 | Intelligent simulated circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320288927 CN203365563U (en) | 2013-05-24 | 2013-05-24 | Intelligent simulated circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN203365563U true CN203365563U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320288927 Expired - Fee Related CN203365563U (en) | 2013-05-24 | 2013-05-24 | Intelligent simulated circuit breaker |
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| CN (1) | CN203365563U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825259A (en) * | 2014-03-19 | 2014-05-28 | 江苏沙洲电气有限公司 | Relay protection system |
| CN104764998A (en) * | 2015-04-22 | 2015-07-08 | 国家电网公司 | Breaker simulating device used for replacing real high-voltage breaker in protecting testing process |
| CN107102232A (en) * | 2017-06-13 | 2017-08-29 | 广东电网有限责任公司佛山供电局 | A kind of portable simulation breaker |
| CN107450019A (en) * | 2017-10-19 | 2017-12-08 | 国网山东省电力公司潍坊供电公司 | Handcart type breaker low-voltage motion test instrument |
| CN111965461A (en) * | 2020-08-24 | 2020-11-20 | 华能山东发电有限公司烟台发电厂 | Multifunctional analog circuit breaker |
| CN114184951A (en) * | 2021-12-14 | 2022-03-15 | 烟台东方威思顿电力设备有限公司 | Circuit breaker spring operating mechanism simulation system |
-
2013
- 2013-05-24 CN CN 201320288927 patent/CN203365563U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825259A (en) * | 2014-03-19 | 2014-05-28 | 江苏沙洲电气有限公司 | Relay protection system |
| CN103825259B (en) * | 2014-03-19 | 2017-09-08 | 江苏沙洲电气有限公司 | Relay protection system |
| CN104764998A (en) * | 2015-04-22 | 2015-07-08 | 国家电网公司 | Breaker simulating device used for replacing real high-voltage breaker in protecting testing process |
| CN104764998B (en) * | 2015-04-22 | 2017-11-14 | 国家电网公司 | For replacing the simulator of circuit breaker of true primary cut-out in protection test |
| CN107102232A (en) * | 2017-06-13 | 2017-08-29 | 广东电网有限责任公司佛山供电局 | A kind of portable simulation breaker |
| CN107102232B (en) * | 2017-06-13 | 2023-04-28 | 广东电网有限责任公司佛山供电局 | Portable analog circuit breaker |
| CN107450019A (en) * | 2017-10-19 | 2017-12-08 | 国网山东省电力公司潍坊供电公司 | Handcart type breaker low-voltage motion test instrument |
| CN111965461A (en) * | 2020-08-24 | 2020-11-20 | 华能山东发电有限公司烟台发电厂 | Multifunctional analog circuit breaker |
| CN114184951A (en) * | 2021-12-14 | 2022-03-15 | 烟台东方威思顿电力设备有限公司 | Circuit breaker spring operating mechanism simulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131225 Termination date: 20190524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |