CN204706521U - A kind of breaker operator circuit - Google Patents
A kind of breaker operator circuit Download PDFInfo
- Publication number
- CN204706521U CN204706521U CN201520428837.6U CN201520428837U CN204706521U CN 204706521 U CN204706521 U CN 204706521U CN 201520428837 U CN201520428837 U CN 201520428837U CN 204706521 U CN204706521 U CN 204706521U
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- Prior art keywords
- power supply
- loop
- circuit breaker
- normally opened
- opened contact
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Abstract
The utility model discloses a kind of breaker operator circuit, comprise power supply, closing a floodgate keeps loop, anti-jump loop, manual brake separating loop, tripping operation to keep loop, closing circuit of circuit breaker and brake division loop of circuit breaker, close a floodgate the coil keeping loop to comprise combined floodgate latching relay; Anti-jump loop comprises the coil of anti-trip relay; Tripping operation keeps loop to comprise the coil of tripping operation latching relay; The closing coil of the first normally opened contact of the second end that closing circuit of circuit breaker is included in power supply and the combined floodgate latching relay connected between first end, the energy storage normally opened contact of circuit breaker, the auxiliary normally-closed contact of circuit breaker and circuit breaker; The switching winding of the second end that brake division loop of circuit breaker is included in power supply and the second normally opened contact of the tripping operation latching relay connected between first end, the auxiliary normally opened contact of circuit breaker and circuit breaker.The utility model structure is simple, and reasonable in design, cost is low, and cannot close a floodgate after avoiding breaker trip, reliability is high, practical, is convenient to promote the use of.
Description
Technical field
The utility model belongs to field of circuit breakers, is specifically related to a kind of breaker operator circuit.
Background technology
Circuit breaker is the critical elements of electric power system, be mainly used in switching on and off high-tension circuit load current and excision fault current, usual employing breaker operator circuit controls the operation of circuit breaker, breaker operator circuit realizes circuit breaker to jump the secondary device closing control and status monitoring, is mainly used in power plant, transformer station and other electricity supplying and using systems.Existing breaker operator main circuit will comprise maintenance loop of closing a floodgate, tripping operation keeps loop and anti-jump loop, wherein, close a floodgate and keep loop for controlling the closing operation of circuit breaker, tripping operation holding circuit is for controlling the trip operation of circuit breaker, anti-jump loop is used for when occurring when breaker closing signal and trip signal simultaneously, ensures that circuit breaker is in tripped condition always and can not closes a floodgate.But, above-mentioned breaker operator circuit function is single, when the anti-jump loop action in the anti-jump loop and breaker operator circuit of circuit breaker internal is inconsistent, above-mentioned breaker operator circuit cannot solve this kind of situation, cannot realize after causing circuit breaker trip closing a floodgate, thus have impact on the normal work of circuit breaker.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of breaker operator circuit is provided, its structure is simple, reasonable in design, and realization is convenient and cost is low, the phenomenon cannot closed a floodgate after avoiding breaker trip, reliability is high, and power supply can realize AC/DC universal, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of breaker operator circuit, it is characterized in that: comprise power supply, closing a floodgate keeps loop, anti-jump loop, manual brake separating loop, tripping operation to keep loop, closing circuit of circuit breaker and brake division loop of circuit breaker, the rated voltage of described circuit breaker is less than or equal to 10kV; The described coil K1 keeping loop to comprise combined floodgate latching relay that closes a floodgate, one end of coil K1 connects with one end of the normally-closed contact K21 of anti-trip relay, the other end of coil K1 is connected to the first input interface for receiving switching signal, the other end of normally-closed contact K21 is connected with the first end of power supply by resistance R1, and the two ends of normally-closed contact K21 are also parallel with the first wire jumper JP1, the first end of described power supply is the zero line side of AC power or the negative pole of DC power supply; Described anti-jump loop comprises the coil K2 of anti-trip relay, one end of coil K2 connects with one end of the first normally opened contact K31 of tripping operation latching relay, the other end of coil K2 connects with the first input interface, the other end of the first normally opened contact K31 is connected with the first end of power supply by resistance R2, and the two ends of the first normally opened contact K31 are also parallel with the normally opened contact K22 of anti-trip relay; Described manual brake separating loop be included in connect successively between the second end of power supply and the first end of power supply electric brake S1, trip button S2, the coil K4 of manual brake separating relay and resistance R3, the second end of described power supply is the live wire end of AC power or the positive pole of DC power supply; Described tripping operation keeps loop to comprise the coil K3 of tripping operation latching relay, one end of coil K3 is connected with the first end of power supply by resistance R4, the other end of coil K3 connects with one end of the normally opened contact K41 of manual brake separating relay and the second input interface for receiving trip signal respectively, and the other end of normally opened contact K41 connects with the second end of power supply; Described closing circuit of circuit breaker is included in the closing coil K5 of the first normally opened contact K11, the energy storage normally opened contact K51 of circuit breaker of the combined floodgate latching relay connected successively between the second end of power supply and the first end of power supply, the auxiliary normally-closed contact K52 of circuit breaker and circuit breaker, the two ends of the first normally opened contact K11 are parallel with the second normally opened contact K12 of combined floodgate latching relay, and the two ends of the energy storage normally opened contact K51 of circuit breaker are parallel with the second wire jumper JP2; Described brake division loop of circuit breaker is included in the switching winding K6 of the second normally opened contact K32 of the tripping operation latching relay connected successively between the second end of power supply and the first end of power supply, the auxiliary normally opened contact K53 of circuit breaker and circuit breaker.
Above-mentioned a kind of breaker operator circuit, is characterized in that: described combined floodgate latching relay comprises the relay that model is EMI-SH-2110D.
Above-mentioned a kind of breaker operator circuit, is characterized in that: described anti-trip relay comprises the relay that model is EMI-SH-2110D.
Above-mentioned a kind of breaker operator circuit, is characterized in that: described tripping operation latching relay comprises the relay that model is EMI-SH-2110D.
Above-mentioned a kind of breaker operator circuit, is characterized in that: described manual brake separating relay comprises the relay that model is EMI-SH-2110D.
Above-mentioned a kind of breaker operator circuit, is characterized in that: described power supply comprises 220V DC power supply or 220V AC power.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, reasonable in design, and realization is convenient and cost is low.
2, the utility model can when the anti-jump loop action of the anti-jump loop in breaker operator circuit and circuit breaker internal be inconsistent, adopt the first wire jumper to disconnect and close a floodgate and keep loop, the anti-jump loop in breaker operator circuit is made to realize anti-bouncing function, the phenomenon cannot closed a floodgate after avoiding breaker trip.
3, circuit breaker of the present utility model can select stored energy circuit breaker also can select permanent-magnet breaker.
4, anti-jump loop of the present utility model can prevent circuit breaker generation chattering, and reliability is high.
5, the power supply in the utility model can realize AC/DC universal.
6, of the present utility model practical, result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, reasonable in design, and realization is convenient and cost is low, the phenomenon cannot closed a floodgate after avoiding breaker trip, and reliability is high, and power supply can realize AC/DC universal, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the utility model circuit theory diagrams.
Description of reference numerals:
1-the first input interface; 2-the second input interface; 3-closing a floodgate keeps loop;
4-anti-jump loop; 5-manual brake separating loop;
6-tripping operation keeps loop; 7-closing circuit of circuit breaker;
8-brake division loop of circuit breaker.
Embodiment
As shown in Figure 1, the utility model comprises power supply, closing a floodgate keeps loop 3, anti-jump loop 4, manual brake separating loop 5, tripping operation to keep loop 6, closing circuit of circuit breaker 7 and brake division loop of circuit breaker 8.
Wherein, the rated voltage of described circuit breaker is less than or equal to 10kV.
The described coil K1 keeping loop 3 to comprise combined floodgate latching relay that closes a floodgate, one end of coil K1 connects with one end of the normally-closed contact K21 of anti-trip relay, the other end of coil K1 is connected to the first input interface 1 for receiving switching signal, the other end of normally-closed contact K21 is connected with the first end of power supply by resistance R1, and the two ends of normally-closed contact K21 are also parallel with the first wire jumper JP1.
Described anti-jump loop 4 comprises the coil K2 of anti-trip relay, one end of coil K2 connects with one end of the first normally opened contact K31 of tripping operation latching relay, the other end of coil K2 connects with the first input interface 1, the other end of the first normally opened contact K31 is connected with the first end of power supply by resistance R2, and the two ends of the first normally opened contact K31 are also parallel with the normally opened contact K22 of anti-trip relay.
Described manual brake separating loop 5 be included in connect successively between the second end of power supply and the first end of power supply electric brake S1, trip button S2, the coil K4 of manual brake separating relay and resistance R3.
Described tripping operation keeps loop 6 to comprise the coil K3 of tripping operation latching relay, one end of coil K3 is connected with the first end of power supply by resistance R4, the other end of coil K3 connects with one end of the normally opened contact K41 of manual brake separating relay and the second input interface 2 for receiving trip signal respectively, and the other end of normally opened contact K41 connects with the second end of power supply.
Described closing circuit of circuit breaker 7 is included in the closing coil K5 of the first normally opened contact K11, the energy storage normally opened contact K51 of circuit breaker of the combined floodgate latching relay connected successively between the second end of power supply and the first end of power supply, the auxiliary normally-closed contact K52 of circuit breaker and circuit breaker, the two ends of the first normally opened contact K11 are parallel with the second normally opened contact K12 of combined floodgate latching relay, and the two ends of the energy storage normally opened contact K51 of circuit breaker are parallel with the second wire jumper JP2.
Described brake division loop of circuit breaker 8 is included in the switching winding K6 of the second normally opened contact K32 of the tripping operation latching relay connected successively between the second end of power supply and the first end of power supply, the auxiliary normally opened contact K53 of circuit breaker and circuit breaker.
Wherein, the first end of described power supply is the zero line side of AC power or the negative pole of DC power supply, and the second end of described power supply is the live wire end of AC power or the positive pole of DC power supply.
During actual use, described combined floodgate latching relay comprises the relay that model is EMI-SH-2110D.
During actual use, described anti-trip relay comprises the relay that model is EMI-SH-2110D.
During actual use, described tripping operation latching relay comprises the relay that model is EMI-SH-2110D.
During actual use, described manual brake separating relay comprises the relay that model is EMI-SH-2110D.
During actual use, described power supply comprises 220V DC power supply or 220V AC power.
It should be noted that, the first input interface 1 of the present utility model and the second input interface 2 all connect with the output of microcontroller.
It should be noted that, the selection of the resistance of resistance R1 of the present utility model, resistance R2, resistance R3 and resistance R4 all needs the operating current of satisfied corresponding relay coil.
The course of work of the present utility model is: first transferred to by the first wire jumper JP1, namely the first wire jumper JP1 is not connected with normally-closed contact K21, when the first input interface 1 receives the switching signal of microcontroller transmission, close a floodgate and keep loop 3 to form current path, the coil K1 of combined floodgate latching relay is charged, the the first normally opened contact K11 of latching relay and the second normally opened contact K12 that then closes a floodgate is all closed, if Selection of Circuit Breakers is stored energy circuit breaker, second wire jumper JP2 unplugs by staff, namely the second wire jumper JP2 is not connected with energy storage normally opened contact K51, after stored energy circuit breaker energy storage completes, then the energy storage normally opened contact K51 of stored energy circuit breaker closes, now closing circuit of circuit breaker 7 forms current path, the closing coil K5 of stored energy circuit breaker is charged, thus realize the combined floodgate of stored energy circuit breaker, if Selection of Circuit Breakers is permanent-magnet breaker, second wire jumper JP2 inserts by staff, and namely the second wire jumper JP2 is in parallel with energy storage normally opened contact K51, then closing circuit of circuit breaker 7 directly forms current path, the closing coil K5 of permanent-magnet breaker is charged, thus realizes the combined floodgate of permanent-magnet breaker.
When the first input interface 1 receives the switching signal of microcontroller transmission, when second input interface 2 also receives the trip signal of microcontroller transmission simultaneously, now, tripping operation keeps loop 6 to form current path, the coil K3 of tripping operation latching relay is charged, then trip latching relay the first normally opened contact K31 close, anti-jump loop 4 is made to form current path, the coil K2 of anti-trip relay is charged, then the normally opened contact K22 of anti-trip relay closes, the normally-closed contact K21 of anti-trip relay disconnects, now, close a floodgate and keep loop 3 not form current circuit, the coil K1 of combined floodgate latching relay is not charged, the the first normally opened contact K11 of latching relay and the second normally opened contact K12 that then closes a floodgate disconnects, circuit breaker cannot be closed a floodgate, thus achieve the anti-bouncing function of circuit breaker.
When the anti-jump loop action of anti-jump loop 4 and circuit breaker internal is inconsistent, first wire jumper JP1 inserts by staff, in parallel with normally-closed contact K21 by the first wire jumper JP1, now, close a floodgate and keep loop 3 to form current circuit, then anti-jump loop 4 cannot realize anti-bouncing function, only has the anti-jump loop action of circuit breaker internal, the phenomenon cannot closed a floodgate after avoiding circuit breaker trip.
When needs manually carry out separating brake, then staff closes electric brake S1, and press trip button S2, now, manual brake separating loop 5 forms current path, the coil K4 of manual brake separating relay is charged, then the normally opened contact K41 of manual brake separating relay closes, tripping operation keeps loop 6 to form current path, the coil K3 of tripping operation latching relay is charged, then trip latching relay the second normally opened contact K32 close, because circuit breaker is when closing a floodgate, the auxiliary normally opened contact K53 of circuit breaker closes, then now, brake division loop of circuit breaker 7 forms current path, the switching winding K6 of circuit breaker is charged, thus realize the separating brake of circuit breaker.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection range of technical solutions of the utility model.
Claims (6)
1. a breaker operator circuit, it is characterized in that: comprise power supply, closing a floodgate keeps loop (3), anti-jump loop (4), manual brake separating loop (5), tripping operation to keep loop (6), closing circuit of circuit breaker (7) and brake division loop of circuit breaker (8), the rated voltage of described circuit breaker is less than or equal to 10kV;
The described coil K1 keeping loop (3) to comprise combined floodgate latching relay that closes a floodgate, one end of coil K1 connects with one end of the normally-closed contact K21 of anti-trip relay, the other end of coil K1 is connected to the first input interface (1) for receiving switching signal, the other end of normally-closed contact K21 is connected with the first end of power supply by resistance R1, and the two ends of normally-closed contact K21 are also parallel with the first wire jumper JP1, the first end of described power supply is the zero line side of AC power or the negative pole of DC power supply;
Described anti-jump loop (4) comprises the coil K2 of anti-trip relay, one end of coil K2 connects with one end of the first normally opened contact K31 of tripping operation latching relay, the other end of coil K2 connects with the first input interface (1), the other end of the first normally opened contact K31 is connected with the first end of power supply by resistance R2, and the two ends of the first normally opened contact K31 are also parallel with the normally opened contact K22 of anti-trip relay;
Described manual brake separating loop (5) be included in connect successively between the second end of power supply and the first end of power supply electric brake S1, trip button S2, the coil K4 of manual brake separating relay and resistance R3, the second end of described power supply is the live wire end of AC power or the positive pole of DC power supply;
Described tripping operation keeps loop (6) to comprise the coil K3 of tripping operation latching relay, one end of coil K3 is connected with the first end of power supply by resistance R4, the other end of coil K3 connects with one end of the normally opened contact K41 of manual brake separating relay and the second input interface (2) for receiving trip signal respectively, and the other end of normally opened contact K41 connects with the second end of power supply;
Described closing circuit of circuit breaker (7) is included in the closing coil K5 of the first normally opened contact K11, the energy storage normally opened contact K51 of circuit breaker of the combined floodgate latching relay connected successively between the second end of power supply and the first end of power supply, the auxiliary normally-closed contact K52 of circuit breaker and circuit breaker, the two ends of the first normally opened contact K11 are parallel with the second normally opened contact K12 of combined floodgate latching relay, and the two ends of the energy storage normally opened contact K51 of circuit breaker are parallel with the second wire jumper JP2;
Described brake division loop of circuit breaker (8) is included in the switching winding K6 of the second normally opened contact K32 of the tripping operation latching relay connected successively between the second end of power supply and the first end of power supply, the auxiliary normally opened contact K53 of circuit breaker and circuit breaker.
2. according to breaker operator circuit according to claim 1, it is characterized in that: described combined floodgate latching relay comprises the relay that model is EMI-SH-2110D.
3. according to breaker operator circuit according to claim 1, it is characterized in that: described anti-trip relay comprises the relay that model is EMI-SH-2110D.
4. according to breaker operator circuit according to claim 1, it is characterized in that: described tripping operation latching relay comprises the relay that model is EMI-SH-2110D.
5. according to breaker operator circuit according to claim 1, it is characterized in that: described manual brake separating relay comprises the relay that model is EMI-SH-2110D.
6. according to breaker operator circuit according to claim 1, it is characterized in that: described power supply comprises 220V DC power supply or 220V AC power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520428837.6U CN204706521U (en) | 2015-06-19 | 2015-06-19 | A kind of breaker operator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520428837.6U CN204706521U (en) | 2015-06-19 | 2015-06-19 | A kind of breaker operator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706521U true CN204706521U (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520428837.6U Expired - Fee Related CN204706521U (en) | 2015-06-19 | 2015-06-19 | A kind of breaker operator circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204706521U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544605A (en) * | 2019-09-27 | 2019-12-06 | 戴顿（重庆）高压开关有限公司 | Vacuum circuit breaker running-in device and method for running-in by adopting same |
| CN109167264B (en) * | 2018-09-20 | 2024-03-08 | 湖北长江电气有限公司 | Jump preventing device for circuit breaker in high-voltage switch cabinet |
-
2015
- 2015-06-19 CN CN201520428837.6U patent/CN204706521U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167264B (en) * | 2018-09-20 | 2024-03-08 | 湖北长江电气有限公司 | Jump preventing device for circuit breaker in high-voltage switch cabinet |
| CN110544605A (en) * | 2019-09-27 | 2019-12-06 | 戴顿（重庆）高压开关有限公司 | Vacuum circuit breaker running-in device and method for running-in by adopting same |
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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: 20151014 Termination date: 20160619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |