CN203745583U - Simulating breaker for debugging power system - Google Patents
Simulating breaker for debugging power system Download PDFInfo
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- CN203745583U CN203745583U CN201420153556.XU CN201420153556U CN203745583U CN 203745583 U CN203745583 U CN 203745583U CN 201420153556 U CN201420153556 U CN 201420153556U CN 203745583 U CN203745583 U CN 203745583U
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Abstract
The utility model discloses a simulating breaker for debugging a power system, and belongs to the technical field of debugging power systems. The simulating breaker comprises a dc power source control unit with a first input terminal and a second input terminal, wherein the first input terminal is connected with the anode of the dc power source, and the second input terminal is connected with the cathode of the dc power source. The dc power source control unit comprises a starting button, a stop button and a first relay with a first coil and a first normally opened contact, wherein the stop button, the starting button and the first coil are sequentially and serially connected between the first input terminal and the second input terminal, and the first normally opened contact is in parallel connection with the starting button. The simulating breaker further comprises a closing control circuit unit in parallel connection with the first coil, and a trip-out control circuit unit in parallel connection with the first coil. The simulating breaker replaces an actual high-voltage for debugging a relay protection device and is high in cost performance.
Description
Technical field
The utility model relates to electric system debugging technique field, and particularly a kind of electric system debugging mimic-disconnecting switch, is applicable to the debugging of protective relaying device in electric system.
Background technology
In order to safeguard the normal operation of electric system, electric power commissioning staff needs regularly each equipment in electric system to be debugged to guarantee that it normally works.
When the equipment protective relaying device in electric system debugging in prior art, need use primary cut-out.Owing to being the serviceable life of primary cut-out limited and expensive, the frequent jumping credit union to primary cut-out when debugging reduces its serviceable life, causes the waste of resource; And, when primary cut-out operation, in "on" position, do not allow to have a power failure, in the time that protective relaying device is debugged, can not directly charging operation primary cut-out be tripped; In electric installation process, the commissioning staff of protective relaying device and repairing high-voltage breaker personnel are contention primary cut-out simultaneously simultaneously, and both sides are upkeep operation in turn, has extended power circuit power off time, and work efficiency is very low.
Summary of the invention
In order to address the above problem, the utility model provides a kind of electric system debugging mimic-disconnecting switch, it comprises: the DC power control unit with first input end and the second input end, described first input end is connected with the positive pole of direct supply, described the second input end is connected with the negative pole of direct supply, described DC power control unit comprises: start button, stop button, there is the first relay of the first coil and the first normally opened contact, described stop button, described start button and described the first coil are series between described first input end and described the second input end successively, described the first normally opened contact is in parallel with described start button, the contacting controling circuit unit being connected in parallel with described the first coil, comprise switch knob, there is the second coil, the second relay of the second normally opened contact and the second normally closed contact, there is the 3rd relay of the 3rd normally opened contact and tertiary coil, with "on" position indicating member, after described switch knob and described the second coil series connection, be connected in parallel with described the first coil, after described the second normally opened contact and the series connection of described tertiary coil, be connected in parallel with described the first coil, described the 3rd normally opened contact and described "on" position indicating member are connected afterwards and described the first coils from parallel connection of coils, and the tripping operation control circuit unit being connected in parallel with described the first coil, comprise trip button, there is the 4th relay and the tripped condition indicating member of the 4th coil and the 4th normally opened contact, described the second normally closed contact, described the 4th coil and described trip button are connected in parallel with described the first coil after connecting successively, after described the 4th normally opened contact and the series connection of described tripped condition indicating member, are connected in parallel with described the first coil.
In mimic-disconnecting switch as above, preferably, described DC power control unit also comprises the direct supply pilot lamp being connected in parallel with described the first coil.
In mimic-disconnecting switch as above, preferably, described "on" position indicating member is "on" position pilot lamp, and described tripped condition indicating member is tripped condition pilot lamp.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
By adopting mimic-disconnecting switch to replace actual primary cut-out, carry out the debugging of protective relaying device, and analog breaker circuit is simple and direct, electric elements are easily sought and being purchased, and cost performance is high.Simultaneously mimic-disconnecting switch has lightweight, easy-to-connect, operation is simple and easy, directly perceived, reliability is high, be convenient to the features such as maintenance, can greatly shorten the working time of debugging, has improved debugging work efficiency.
Brief description of the drawings
The circuit connection diagram of the mimic-disconnecting switch that Fig. 1 provides for the utility model preferred embodiment;
In figure, symbol description is as follows:
S1 start button, S2 stop button, JQ the first coil, JQ1 the first normally opened contact,
L1 direct supply pilot lamp, HL "on" position pilot lamp, TL tripped condition pilot lamp,
HA switch knob, HJ the second coil, HJ1 the second normally opened contact, HJ2 the second normally closed contact,
KM tertiary coil, KM1 the 3rd normally opened contact,
TA trip button, TJ the 4th coil, TJ1 the 4th normally opened contact.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Referring to Fig. 1, the utility model embodiment provides a kind of electric system debugging mimic-disconnecting switch, is applicable to the debugging of protective relaying device equipment in electric system, for replacing actual primary cut-out.This mimic-disconnecting switch comprises: power control unit, contacting controling circuit unit and tripping operation control circuit unit.
Wherein, DC power control unit has first input end and the second input end, first input end is connected with the anodal DC+ of direct supply, the second input end is connected with the negative pole DC-of direct supply, DC power control unit comprises particularly: start button S1, stop button S2, have the first relay of the first coil JQ and the first normally opened contact JQ1, stop button S2, start button S1 and the first coil JQ are series between first input end and the second input end successively, and the first normally opened contact JQ1 and start button S1 are connected in parallel.In the time of application, press start button S1, the first coil JQ energising, the first relay obtains electricly, now makes the first normally opened contact JQ1 closure, and the first relay completes self-locking, make direct supply by first input end and the second input end and mimic-disconnecting switch conducting always, in the time pressing stop button S2, direct supply not with mimic-disconnecting switch conducting, now mimic-disconnecting switch is not worked.In reality, by first input end access+220V power supply, the second input end access-220V power supply.+ 220V and-220V power supply can obtain by the operating power of protective relaying device, the operating power that direct supply is protective relaying device.Security implication commissioning staff being brought for fear of the overtension of direct supply, preferably, DC power control unit also comprises the direct supply pilot lamp L1 that is used to indicate direct supply energising, itself and the first coil JQ are connected in parallel, in the time of mimic-disconnecting switch and direct supply conducting, direct supply pilot lamp L1 is lit; Otherwise, extinguish.
Contacting controling circuit unit is for simulating the feed motion of actual high-voltage isolating switch, and it is connected in parallel between the second input end and the first normally opened contact JQ1, is connected in parallel with the first coil JQ.Contacting controling circuit unit comprises particularly: switch knob HA, have the second coil HJ, the second normally opened contact HJ1 and the second normally closed contact HJ2 the second relay, there is the 3rd relay of the 3rd normally opened contact KM1 and tertiary coil KM and be used to indicate the "on" position indicating member of "on" position, after switch knob HA and the second coil HJ series connection, be connected in parallel with the first coil JQ, after the second normally opened contact HJ1 and tertiary coil KM series connection, be connected in parallel with the first coil JQ, in parallel with the first coil JQ after the 3rd normally opened contact KM1 and the series connection of "on" position indicating member.
Tripping operation control circuit unit is for the tripping operation action of high voltage breaker simulator, and it is connected in parallel between the second input end and the first normally opened contact JQ1, is connected in parallel with the first coil JQ.The control circuit unit that trips particularly comprises trip button TA, has the 4th relay of the 4th coil TJ and the 4th normally opened contact TJ1 and is used to indicate the tripped condition indicating member of tripped condition, after the second normally closed contact HJ2, the 4th coil TJ and trip button TA are connected in series successively, be connected in parallel with the first coil JQ, after the 4th normally opened contact TJ1 and the series connection of tripped condition indicating member, be connected in parallel with the first coil JQ.
In order to make the circuit of mimic-disconnecting switch simple and direct, "on" position indicating member is preferably "on" position pilot lamp, and tripped condition indicating member is preferably tripped condition pilot lamp.In order to distinguish "on" position pilot lamp, tripped condition pilot lamp and direct supply pilot lamp, "on" position pilot lamp is amber light (being yellow while lighting), tripped condition pilot lamp is green light (being green while lighting), and direct supply pilot lamp is red colored lamp (taking on a red color while lighting).The present embodiment does not limit combined floodgate state indication unit and tripped condition indicating member, it can be "on" position pilot lamp and tripping operation indicating status pilot lamp, can also be "on" position instruction voice broadcast unit and tripped condition instruction voice broadcast unit, now, the Enable Pin of "on" position instruction voice broadcast unit is connected with the 3rd normally opened contact, and the Enable Pin of tripped condition instruction voice broadcast unit is connected with the 4th normally opened contact.
In the time of application, aforementioned start button S1 presses, then presses switch knob HA, the second coil HJ energising, the second relay obtains electricly, now makes the second normally opened contact HJ1 closure, and the second normally closed contact HJ2 disconnects, after the second normally opened contact HJ1 closure, can make tertiary coil KM energising, the 3rd relay obtains electricly, and then makes the 3rd normally opened contact KM1 closure, thereby "on" position pilot lamp HL is lighted, now, the feed motion of mimic-disconnecting switch high voltage breaker simulator.
Press at aforementioned start button S1, if switch knob HA does not press, press again trip button TA, the 4th coil TJ energising, the 4th relay obtains electricly, makes the 4th normally opened contact TJ1 closure, thereby tripped condition pilot lamp TL is lighted, now, the tripping operation of mimic-disconnecting switch high voltage breaker simulator action.
In sum, the beneficial effects of the utility model are as follows:
By adopting mimic-disconnecting switch to replace actual primary cut-out, carry out the debugging of protective relaying device, and analog breaker circuit is simple and direct, electric elements are easily sought and being purchased, and cost performance is high.Simultaneously mimic-disconnecting switch has lightweight, easy-to-connect, operation is simple and easy, directly perceived, reliability is high, be convenient to the features such as maintenance, can greatly shorten the working time of debugging, has improved debugging work efficiency.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Allly within the scope of the utility model or in the change being equal in scope of the present utility model, be all included in the utility model.
Claims (3)
1. an electric system debugging mimic-disconnecting switch, is characterized in that: described mimic-disconnecting switch comprises:
There is the DC power control unit of first input end and the second input end, described first input end is connected with the positive pole of direct supply, described the second input end is connected with the negative pole of direct supply, described DC power control unit comprises: start button, stop button, have the first relay of the first coil and the first normally opened contact, described stop button, described start button and described the first coil are series between described first input end and described the second input end successively, and described the first normally opened contact is in parallel with described start button;
The contacting controling circuit unit being connected in parallel with described the first coil, comprise switch knob, there is the second coil, the second relay of the second normally opened contact and the second normally closed contact, there is the 3rd relay of the 3rd normally opened contact and tertiary coil, with "on" position indicating member, after described switch knob and described the second coil series connection, be connected in parallel with described the first coil, after described the second normally opened contact and the series connection of described tertiary coil, be connected in parallel with described the first coil, described the 3rd normally opened contact and described "on" position indicating member are connected afterwards and described the first coils from parallel connection of coils, and
The tripping operation control circuit unit being connected in parallel with described the first coil, comprise trip button, there is the 4th relay and the tripped condition indicating member of the 4th coil and the 4th normally opened contact, described the second normally closed contact, described the 4th coil and described trip button are connected in parallel with described the first coil after connecting successively, after described the 4th normally opened contact and the series connection of described tripped condition indicating member, are connected in parallel with described the first coil.
2. mimic-disconnecting switch according to claim 1, is characterized in that, described DC power control unit also comprises the direct supply pilot lamp being connected in parallel with described the first coil.
3. mimic-disconnecting switch according to claim 1, is characterized in that, described "on" position indicating member is "on" position pilot lamp, and described tripped condition indicating member is tripped condition pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153556.XU CN203745583U (en) | 2014-03-31 | 2014-03-31 | Simulating breaker for debugging power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153556.XU CN203745583U (en) | 2014-03-31 | 2014-03-31 | Simulating breaker for debugging power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745583U true CN203745583U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153556.XU Expired - Fee Related CN203745583U (en) | 2014-03-31 | 2014-03-31 | Simulating breaker for debugging power system |
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| Country | Link |
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| CN (1) | CN203745583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526472A (en) * | 2016-11-18 | 2017-03-22 | 国家电网公司 | Breaker integrated test apparatus |
-
2014
- 2014-03-31 CN CN201420153556.XU patent/CN203745583U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526472A (en) * | 2016-11-18 | 2017-03-22 | 国家电网公司 | Breaker integrated test apparatus |
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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: 20140730 Termination date: 20150331 |
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| EXPY | Termination of patent right or utility model |