CN204349442U - High-voltage switch gear control circuit - Google Patents
High-voltage switch gear control circuit Download PDFInfo
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- CN204349442U CN204349442U CN201520078103.XU CN201520078103U CN204349442U CN 204349442 U CN204349442 U CN 204349442U CN 201520078103 U CN201520078103 U CN 201520078103U CN 204349442 U CN204349442 U CN 204349442U
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Abstract
The utility model relates to control circuit.The utility model provides a kind of high-voltage switch gear control circuit, the negative input of power module, one end of the coil of relay one, one end of electric capacity one, one end of switching winding and one end of closing coil ground connection respectively, the electrode input end of power module is connected with one end of relay three normally-closed contact, the other end of the normally-closed contact of relay three is connected with one end of resistance two and one end of resistance one respectively, the other end of resistance two is connected with the other end of the coil of relay one, the other end of resistance one is connected with the positive pole of diode one, the negative pole of diode one respectively with the other end of electric capacity one, one end of separating brake relay normally open contact and one end of closing relay normally opened contact connect, the other end of closing relay normally opened contact is connected with the other end of closing coil, the other end of separating brake relay normally open contact is connected with switching winding.Be applicable to high-voltage switch gear control circuit.
Description
Technical field
The utility model relates to control circuit, particularly high-voltage switch gear control circuit.
Background technology
The operation of permanent-magnet operating mechanism, control to be provided by electronic control unit.Power supply is electronic control unit, provides working power, also for energy storage capacitor provides rechargeable electrical energy.Enough energy laid in advance by energy storage capacitor, carry out closing a floodgate or sub-switching operation time, it is released up to the pulse electric energy of several KW to closing coil or switching winding, makes circuit breaker complete connection and breaking operation.After each electric discharge, it again can be charged within the several seconds.The joint weldment of on/off switch coil is controlled by controller ' s intellectualization, and dynamic position unshakable in one's determination is controlled by the auxiliary switch of circuit breaker, and completes the divide-shut brake locking of circuit breaker.In the operation of down-hole actual switch; comprehensive protection device sends trip command, and high-voltage switch gear mechanism does not trip, and a point fault is refused in display screen display; resistance after a few second in control unit and relay are burnt out in succession by big current, and such controller just loses the controlling functions of corresponding divide-shut brake.
Utility model content
Technical problem to be solved in the utility model; just be to provide a kind of high-voltage switch gear control circuit; while reaching the high-voltage switch circuit breaker that to trip after high-voltage switch controller obtains separating brake instruction; disconnect DC power supply circuit immediately; when high-voltage switch gear, mechanism goes wrong; timesharing is refused in display, also can not burn out the electronic component in controller, protect controller.
The utility model solve the technical problem, and the technical scheme of employing is, high-voltage switch gear control circuit, comprises closing coil, switching winding, coil control module and energy supply control module, described coil control module comprises closing relay, separating brake relay, relay one, relay three, electric capacity one, diode one, resistance one, resistance two and power module, the negative input of described power module, one end of the coil of relay one, one end of electric capacity one, one end of switching winding and one end of closing coil ground connection respectively, the electrode input end of power module is connected with one end of relay three normally-closed contact, the other end of the normally-closed contact of relay three is connected with one end of resistance two and one end of resistance one respectively, the other end of resistance two is connected with the other end of the coil of relay one, the other end of resistance one is connected with the positive pole of diode one, the negative pole of diode one respectively with the other end of electric capacity one, one end of separating brake relay normally open contact and one end of closing relay normally opened contact connect, and the other end of closing relay normally opened contact is connected with the other end of closing coil, and the other end of separating brake relay normally open contact is connected with switching winding.
Concrete, energy supply control module comprises relay two, electric capacity two, electric capacity three, electric capacity four, reverse-blocking tetrode thyristor one, reverse-blocking tetrode thyristor two, switch one, switch two, diode two, diode three, diode four, light-emitting diode five, resistance three, control circuit and transformer, described power module output one be connected with one end of relay two normally opened contact two, the other end of relay two normally opened contact two is connected with one end of transformer coil one, the other end of transformer coil one is connected with power module outlet two, one end of transformer coil two is connected with the positive pole of diode three and the negative pole of diode three respectively, the other end of transformer coil two is connected with the positive pole of diode three and the negative pole of diode three respectively, the positive pole of diode three, the negative pole of light-emitting diode five, one end of relay two coil, one end of electric capacity two, the positive pole of diode two, one end of separating brake relay coil, one end of relay three-winding, one end of electric capacity four, one end of electric capacity three and one end ground connection of closing relay coil, the negative pole of diode three respectively with one end of relay one normally-closed contact one, the other end of relay two coil, one end of switch two and one end of relay one normally-closed contact two connect, the other end of relay one normally-closed contact two is connected with one end of switch one, the other end of switch one is connected with one end of reverse-blocking tetrode thyristor one, the other end of reverse-blocking tetrode thyristor one is connected with one end of electric capacity three and the other end of closing relay coil respectively, the control end of reverse-blocking tetrode thyristor one is connected with control circuit, the other end of switch two is connected with the anode of diode four, the negative electrode of diode four respectively with one end of electric capacity two, the negative pole of diode two, one end of one end of reverse-blocking tetrode thyristor two and relay two normally-closed contact one connects, the other end of reverse-blocking tetrode thyristor two respectively with the other end of relay two normally-closed contact one, the other end of separating brake relay coil, the other end of relay three-winding and one end of electric capacity four connect, and the control end of reverse-blocking tetrode thyristor two is connected with control circuit.
The beneficial effects of the utility model are: by the separating brake relay parallel connection relay three at controller; one of relay three group of normally closed contact is sealed in DC power supply circuit; thus utilize the mechanical latency of relay; trip while high-voltage switch circuit breaker after high-voltage switch controller obtains separating brake instruction; relay three obtains electric; its normally closed contact becomes often to be opened; be disconnected DC power supply circuit immediately; when high-voltage switch gear, mechanism goes wrong; timesharing is refused in display; also can not burn out the electronic component in controller, protect controller.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model high-voltage switch gear control circuit;
Wherein, relay one coil J1, relay one normally-closed contact one J1-1, relay one normally-closed contact two J1-2, relay two coil J2, relay two normally-closed contact one J2-1, relay two normally opened contact two J2-2, relay three-winding KM3, relay three normally-closed contact KM3-1, electric capacity one C1, electric capacity two C2, electric capacity three C3, electric capacity four C4, resistance one R1, resistance two R2, resistance three R3, diode one VD1, diode two VD2, diode three VD3, diode four VD4, light-emitting diode five VD5, reverse-blocking tetrode thyristor one SB1, reverse-blocking tetrode thyristor two SB2, switch one FZ1, switch two FZ2, transformer T and power module U.
Embodiment
The technical solution of the utility model is described in detail below in conjunction with drawings and Examples:
The utility model is in prior art, in the operation of down-hole actual switch, comprehensive protection device sends trip command, high-voltage switch gear mechanism does not trip, and a point fault is refused in display screen display, resistance after a few second in control unit and relay are burnt out in succession by big current, such controller just loses the problem of the controlling functions of corresponding divide-shut brake, a kind of high-voltage switch gear control circuit is provided, comprise closing coil, switching winding, coil control module and energy supply control module, described coil control module comprises closing relay, separating brake relay, relay one, relay three, electric capacity one, diode one, resistance one, resistance two and power module, the negative input of described power module, one end of the coil of relay one, one end of electric capacity one, one end of switching winding and one end of closing coil ground connection respectively, the electrode input end of power module is connected with one end of relay three normally-closed contact, the other end of the normally-closed contact of relay three is connected with one end of resistance two and one end of resistance one respectively, the other end of resistance two is connected with the other end of the coil of relay one, the other end of resistance one is connected with the positive pole of diode one, the negative pole of diode one respectively with the other end of electric capacity one, one end of separating brake relay normally open contact and one end of closing relay normally opened contact connect, the other end of closing relay normally opened contact is connected with the other end of closing coil, the other end of separating brake relay normally open contact is connected with switching winding.By the separating brake relay parallel connection relay three at controller; one of relay three group of normally closed contact is sealed in DC power supply circuit; thus utilize the mechanical latency of relay; trip while high-voltage switch circuit breaker after high-voltage switch controller obtains separating brake instruction; relay three obtains electric; its normally closed contact becomes often to be opened; be disconnected DC power supply circuit immediately; when high-voltage switch gear, mechanism goes wrong; timesharing is refused in display; also can not burn out the electronic component in controller, protect controller.
Embodiment
The high-voltage switch gear control circuit of this example, as shown in Figure 1, comprise closing coil, switching winding, closing relay, separating brake relay, relay one, relay three, electric capacity one C1, diode one, resistance one R1, resistance two R2, power module U, relay two, electric capacity two C2, electric capacity three C3, electric capacity four C4, reverse-blocking tetrode thyristor one FZ1SB1, reverse-blocking tetrode thyristor two FZ2SB2, switch one FZ1, switch two FZ2, diode two VD2, diode three VD3, diode four VD4, light-emitting diode five VD5, resistance three R3, control circuit (not providing in figure) and transformer T.
Wherein, the negative input of power module U, one end of relay one coil J1, one end of electric capacity one C1, one end of switching winding and one end of closing coil ground connection respectively, the electrode input end of power module U is connected with one end of relay three normally-closed contact KM3-1, the other end of the normally-closed contact of relay three is connected with one end of resistance two R2 and one end of resistance one R1 respectively, the other end of resistance two R2 is connected with the other end of relay one coil J1, the other end of resistance one R1 is connected with the positive pole of diode one, the negative pole of diode one respectively with the other end of electric capacity one C1, one end of separating brake relay normally open contact and one end of closing relay normally opened contact connect, the other end of closing relay normally opened contact is connected with the other end of closing coil, the other end of separating brake relay normally open contact is connected with switching winding, described power module U output one be connected with one end of relay two normally opened contact two J2-2, the other end of relay two normally opened contact two J2-2 is connected with one end of transformer T coil one, the other end of transformer T coil one is connected with power module U output two, one end of transformer T coil two is connected with the positive pole of diode three VD3 and the negative pole of diode three VD3 respectively, the other end of transformer T coil two is connected with the positive pole of diode three VD3 and the negative pole of diode three VD3 respectively, the positive pole of diode three VD3, the negative pole of light-emitting diode five VD5, one end of relay two coil J2, one end of electric capacity two C2, the positive pole of diode two VD2, one end of separating brake relay coil, one end of relay three-winding KM3, one end of electric capacity four C4, one end of electric capacity three C3 and one end ground connection of closing relay coil, the negative pole of diode three VD3 respectively with one end of relay one normally-closed contact one J1-1, the other end of relay two coil J2, one end of switch two FZ2 and one end of relay one normally-closed contact two J1-2 connect, the other end of relay one normally-closed contact two J1-2 is connected with one end of switch one FZ1, the other end of switch one FZ1 is connected with one end of reverse-blocking tetrode thyristor one FZ1SB1, the other end of reverse-blocking tetrode thyristor one FZ1SB1 is connected with one end of electric capacity three C3 and the other end of closing relay coil respectively, the control end of reverse-blocking tetrode thyristor one SB1 is connected with control circuit, the other end of switch two FZ2 is connected with the anode of diode four VD4, the negative electrode of diode four VD4 respectively with one end of electric capacity two C2, the negative pole of diode two VD2, one end of reverse-blocking tetrode thyristor two FZ2SB2 and one end of relay two normally-closed contact one J2-1 connect, the other end of reverse-blocking tetrode thyristor two FZ2SB2 respectively with the other end of relay two normally-closed contact one J2-1, the other end of separating brake relay coil, the other end of relay three-winding KM3 and one end of electric capacity four C4 connect, the control end of reverse-blocking tetrode thyristor two SB2 is connected with control circuit.Wherein control circuit is used for carrying out control operation according to operator's operation information to reverse-blocking tetrode thyristor, can be single-chip microcomputer etc. or other circuit, be all common technology means in prior art, repeat no more herein.
In sum; the utility model is by the separating brake relay parallel connection relay three at controller; one of relay three group of normally closed contact is sealed in DC power supply circuit; thus utilize the mechanical latency of relay; trip while high-voltage switch circuit breaker after high-voltage switch controller obtains separating brake instruction; relay three obtains electric; its normally closed contact becomes often to be opened; be disconnected DC power supply circuit immediately; when high-voltage switch gear, mechanism goes wrong; timesharing is refused in display, also can not burn out the electronic component in controller, protect controller.
Claims (2)
1. high-voltage switch gear control circuit, comprises closing coil, switching winding, coil control module and energy supply control module, is characterized in that: described coil control module comprises closing relay, separating brake relay, relay one, relay three, electric capacity one, diode one, resistance one, resistance two and power module, the negative input of described power module, one end of the coil of relay one, one end of electric capacity one, one end of switching winding and one end of closing coil ground connection respectively, the electrode input end of power module is connected with one end of relay three normally-closed contact, the other end of the normally-closed contact of relay three is connected with one end of resistance two and one end of resistance one respectively, the other end of resistance two is connected with the other end of the coil of relay one, the other end of resistance one is connected with the positive pole of diode one, the negative pole of diode one respectively with the other end of electric capacity one, one end of separating brake relay normally open contact and one end of closing relay normally opened contact connect, and the other end of closing relay normally opened contact is connected with the other end of closing coil, and the other end of separating brake relay normally open contact is connected with switching winding.
2. high-voltage switch gear control circuit according to claim 1, is characterized in that: energy supply control module comprises relay two, electric capacity two, electric capacity three, electric capacity four, reverse-blocking tetrode thyristor one, reverse-blocking tetrode thyristor two, switch one, switch two, diode two, diode three, diode four, light-emitting diode five, resistance three, control circuit and transformer, described power module output one be connected with one end of relay two normally opened contact two, the other end of relay two normally opened contact two is connected with one end of transformer coil one, the other end of transformer coil one is connected with power module outlet two, one end of transformer coil two is connected with the positive pole of diode three and the negative pole of diode three respectively, the other end of transformer coil two is connected with the positive pole of diode three and the negative pole of diode three respectively, the positive pole of diode three, the negative pole of light-emitting diode five, one end of relay two coil, one end of electric capacity two, the positive pole of diode two, one end of separating brake relay coil, one end of relay three-winding, one end of electric capacity four, one end of electric capacity three and one end ground connection of closing relay coil, the negative pole of diode three respectively with one end of relay one normally-closed contact one, the other end of relay two coil, one end of switch two and one end of relay one normally-closed contact two connect, the other end of relay one normally-closed contact two is connected with one end of switch one, the other end of switch one is connected with one end of reverse-blocking tetrode thyristor one, the other end of reverse-blocking tetrode thyristor one is connected with one end of electric capacity three and the other end of closing relay coil respectively, the control end of reverse-blocking tetrode thyristor one is connected with control circuit, the other end of switch two is connected with the anode of diode four, the negative electrode of diode four respectively with one end of electric capacity two, the negative pole of diode two, one end of one end of reverse-blocking tetrode thyristor two and relay two normally-closed contact one connects, the other end of reverse-blocking tetrode thyristor two respectively with the other end of relay two normally-closed contact one, the other end of separating brake relay coil, the other end of relay three-winding and one end of electric capacity four connect, and the control end of reverse-blocking tetrode thyristor two is connected with control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520078103.XU CN204349442U (en) | 2015-02-04 | 2015-02-04 | High-voltage switch gear control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520078103.XU CN204349442U (en) | 2015-02-04 | 2015-02-04 | High-voltage switch gear control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204349442U true CN204349442U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520078103.XU Expired - Fee Related CN204349442U (en) | 2015-02-04 | 2015-02-04 | High-voltage switch gear control circuit |
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| CN (1) | CN204349442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410804A (en) * | 2016-11-07 | 2017-02-15 | 珠海许继电气有限公司 | Pole-mounted circuit-breaker assembly operation power supply system |
-
2015
- 2015-02-04 CN CN201520078103.XU patent/CN204349442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410804A (en) * | 2016-11-07 | 2017-02-15 | 珠海许继电气有限公司 | Pole-mounted circuit-breaker assembly operation power supply 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20160204 |