CN213752516U - Mechanical locking controller of circuit breaker - Google Patents
Mechanical locking controller of circuit breaker Download PDFInfo
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- CN213752516U CN213752516U CN202022675312.6U CN202022675312U CN213752516U CN 213752516 U CN213752516 U CN 213752516U CN 202022675312 U CN202022675312 U CN 202022675312U CN 213752516 U CN213752516 U CN 213752516U
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- circuit breaker
- breaker
- unlocking
- core aviation
- alternating current
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Abstract
The utility model relates to a circuit breaker machinery shutting controller belongs to power equipment technical field. The utility model discloses a twelve core aviation female plugs of 220V alternating current jack, alternating current air switch, device ground point, rectifier, vacuum circuit breaker unblock output switch, SF6 circuit breaker unblock output switch, vacuum circuit breaker two core aviation female plugs, SF6 circuit breaker unblock shutting four core aviation female plugs, circuit breaker divide-shut brake secondary line. The utility model discloses use the back: firstly, the disassembly work of the cover plate of the breaker mechanism box can be avoided, and the operation risk of a tester is reduced; the test of the circuit breaker is standardized and normalized, and the test literacy of operators is improved; and the third test personnel have stronger maneuverability and enough operation time, and the operability of the operating personnel is improved.
Description
Technical Field
The utility model relates to a circuit breaker machinery shutting controller, concretely relates to a device that is used for controlling vacuum circuit breaker shutting unblock and control SF6 circuit breaker shutting to relieve. Belongs to the technical field of power equipment.
Background
The breaker can close, bear and break normal current of an operation loop in a power grid, and can also close, bear and break specified overload current (including short-circuit current) in specified time, the circuit breaker is very important and very common equipment in a power system, according to the regulation of power equipment overhaul test regulation Q/CSG1206007-2017, the circuit breaker is subjected to B2 repair once every 6 years under the general condition of 110kV and below, B2 repair once every three years above 220kV, defect or accident treatment, new equipment installation and debugging, major repair and technical improvement and the like, the pre-test, fixed inspection and handover test of the circuit breaker is very frequent work in the high-voltage test profession, and accounts for about 1/4 of the total work amount, therefore, the breaker test item is also a test item which is frequently encountered in pre-test, regular inspection, accident handling and defect handling. In order to meet the test work requirement of the circuit breaker, before the test work of the circuit breaker, an operation and maintenance worker disconnects the air switch of the circuit breaker control power supply and the energy storage power supply, and the normally closed contact of the SF6 circuit breaker contactor is separated and mechanically locked due to power loss after the circuit breaker control power supply is disconnected; similarly, the vacuum circuit breaker is switched on and locked with the electromagnet to lose power due to the fact that the power is lost after the circuit breaker controls the power supply to be disconnected, the electromagnet cannot suck the iron column, the lower end of the iron column mechanically locks the switch-on switch, and the upper end cannot support the switch to close the switch-on loop circuit.
The circuit breaker test can be carried out only after the mechanical locking of the circuit breaker is released, in the past, the professional equipment for releasing the locking cannot be bought by maintenance testing personnel in work, the simple screwdriver is often used, a wire clamp and a clamp for releasing the locking of the circuit breaker, the space is narrow and small, the mechanical damage risk of huge stress is easily suffered by operation in a circuit breaker cabinet with a complex structure, time and labor are wasted, labor intensity is concentrated at one point and is easy to fatigue, meanwhile, the vibration generated by opening and closing of the circuit breaker is high in reliability, the existing loose locking is released, the repeated test is often needed, the working time and the labor intensity are increased, the screwdriver is also used, the wire clamp and the clamp are used for preventing the mechanism damage caused by mistakenly falling into a circuit breaker mechanism box due to vibration.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the utility model provides a circuit breaker machinery shutting controller for solve the problem that the circuit breaker high-voltage testing in-process space is narrow and small, the structure is complicated, the operational risk is high, intensity of labour is high.
The utility model adopts the technical scheme that: a breaker mechanical latching controller comprises a 220V alternating current jack 1, an alternating current air switch 2, a device grounding point 3, a rectifier 4, a vacuum breaker unlocking output switch 5, a vacuum breaker unlocking two-core aviation female plug 7 and a breaker opening and closing secondary line twelve-core aviation female plug 9;
the 220V alternating current jack 1 passes through an alternating current air switch 2 with earth leakage protection and overload limitation next to the current, the alternating current air switch 2 is respectively connected with the 220V alternating current jack 1 and a rectifier 4, the breaker mechanical latching controller is provided with an apparatus grounding point 3, the inlet end of the rectifier 4 is input with AC220V, the output end of the rectifier 4 outputs DC220V, the direct current output end of the rectifier 4 is connected with a vacuum breaker unlocking output switch 5, one end of a vacuum breaker unlocking two-core aviation female plug 7 is connected with the vacuum breaker unlocking output switch 5, and the other end of the vacuum breaker unlocking two-core aviation female plug is connected with a two-core aviation male plug; the breaker opening and closing secondary line twelve-core aviation female plug 9 is connected with a male plug, and a cable is divided into three functional interfaces of closing, main opening and auxiliary opening along a twelve-core cable.
Further, the direct current output end of the rectifier 4 is also connected to the SF6 breaker unlocking output switch 6, one end of the SF6 breaker unlocking four-core aviation female plug 8 is connected with the SF6 breaker unlocking output switch 6, and the other end of the SF6 breaker unlocking four-core aviation male plug is connected with the four-core aviation male plug.
The utility model has the advantages that: the utility model discloses use the back: firstly, the disassembly work of the cover plate of the breaker mechanism box can be avoided, and the operation risk of a tester is reduced; the test of the circuit breaker is standardized and normalized, and the test literacy of operators is improved; and the third test personnel have stronger maneuverability and enough operation time, and the operability of the operating personnel is improved.
Drawings
FIG. 1 is a schematic diagram of the operation of a mechanical latching controller for a circuit breaker;
FIG. 2 is a diagram showing the effect of the mechanical locking controller of the vacuum circuit breaker after being actuated;
fig. 3 is a diagram showing the effect of the mechanical locking controller of the sulfur hexafluoride breaker after the mechanical locking controller acts.
Reference numbers in fig. 1-3: the device comprises a 1-220V alternating-current jack, a 2-alternating-current air switch, a 3-device grounding point, a 4-rectifier, a 5-vacuum circuit breaker unlocking output switch, a 6-SF6 circuit breaker unlocking output switch, a 7-vacuum circuit breaker unlocking two-core aviation female plug, an 8-SF6 circuit breaker unlocking four-core aviation female plug, a 9-circuit breaker opening and closing secondary line twelve-core aviation female plug, a 10-SF6 circuit breaker locking end and an 11-vacuum circuit breaker locking end.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1-3, a mechanical latching controller of a circuit breaker comprises a 220V ac jack 1, an ac air switch 2, a device grounding point 3, a rectifier 4, a vacuum circuit breaker unlocking output switch 5, an SF6 circuit breaker unlocking output switch 6, a vacuum circuit breaker unlocking two-core aircraft female plug 7, an SF6 circuit breaker unlocking four-core aircraft female plug 8, and a circuit breaker opening and closing secondary line twelve-core aircraft female plug 9;
the 220V alternating current jack 1 passes through an alternating current air switch 2 with earth leakage protection and overload limitation next to the current, the alternating current air switch 2 is respectively connected with the 220V alternating current jack 1 and a rectifier 4, the breaker mechanical latching controller is provided with an apparatus grounding point 3, the inlet end of the rectifier 4 is input with AC220V, the output end of the rectifier 4 outputs DC220V, the direct current output end of the rectifier 4 is connected with a vacuum breaker unlocking output switch 5, one end of a vacuum breaker unlocking two-core aviation female plug 7 is connected with the vacuum breaker unlocking output switch 5, and the other end of the vacuum breaker unlocking two-core aviation female plug is connected with a two-core aviation male plug; the breaker opening and closing secondary line twelve-core aviation female plug 9 is connected with a male plug, and a cable is divided into three functional interfaces of closing, main opening and auxiliary opening along a twelve-core cable.
Further, the direct current output end of the rectifier 4 is also connected to the SF6 breaker unlocking output switch 6, one end of the SF6 breaker unlocking four-core aviation female plug 8 is connected with the SF6 breaker unlocking output switch 6, and the other end of the SF6 breaker unlocking four-core aviation male plug is connected with the four-core aviation male plug.
The operation processes of the mechanical locking controller of the vacuum circuit breaker and the sulfur hexafluoride circuit breaker are respectively introduced as follows:
a vacuum circuit breaker: connecting a grounding point 3 of the device, inserting a power plug into the 220V alternating current jack 1, switching on an alternating current air switch 2 with leakage protection and overload limitation, and checking whether the device is normally electrified; after the circuit breaker is normal, one end of a vacuum circuit breaker unlocking two-core aviation female plug 7 is connected with a vacuum circuit breaker unlocking output switch 5 and is connected with a circuit breaker characteristic test conventional connection wire; closing the vacuum circuit breaker unlocking output switch 5, and checking whether the mechanical locking of the vacuum circuit breaker meets the test requirement and whether a secondary circuit forms a loop; and after the test conditions are met, performing a circuit breaker characteristic test. Fig. 2 is a diagram showing the effect of the mechanical locking controller of the vacuum circuit breaker after being actuated.
Sulfur hexafluoride circuit breakers: connecting a grounding point 3 of the device, inserting a power plug into the 220V alternating current jack 1, switching on an alternating current air switch 2 with leakage protection and overload limitation, and checking whether the device is normally electrified; after the circuit breaker is normal, one end of an SF6 circuit breaker unlocking four-core aviation female plug 8 is connected with an SF6 circuit breaker unlocking output switch 6, and is connected with a conventional wiring of a circuit breaker characteristic test; an SF6 circuit breaker unlocking output switch 6 is closed, whether the mechanical locking of the SF6 circuit breaker meets the test requirement or not and whether a secondary circuit forms a loop or not is checked; and after the test conditions are met, performing a circuit breaker characteristic test. For example, the effect diagram of the sulfur hexafluoride breaker after the mechanical locking controller is operated is shown in fig. 3.
While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (2)
1. A mechanical latching controller of a circuit breaker is characterized in that: the device comprises a 220V alternating current jack (1), an alternating current air switch (2), a device grounding point (3), a rectifier (4), a vacuum circuit breaker unlocking output switch (5), a vacuum circuit breaker unlocking two-core aviation female plug (7) and a breaker opening and closing secondary wire twelve-core aviation female plug (9);
the 220V alternating current jack (1) passes through an alternating current air switch (2) with leakage protection and overload limitation next to the current, the alternating current air switch (2) is respectively connected with the 220V alternating current jack (1) and a rectifier (4), the mechanical latching controller of the circuit breaker is provided with an apparatus grounding point (3), the inlet end of the rectifier (4) is input with AC220V, the output end outputs DC220V, the direct current output end of the rectifier (4) is connected with an unlocking output switch (5) of a vacuum circuit breaker, one end of a two-core aviation female plug (7) for unlocking the vacuum circuit breaker is connected with the unlocking output switch (5) of the vacuum circuit breaker, and the other end of the two-core aviation male plug is connected with a two-core aviation plug; the twelve-core aviation female plug (9) of the secondary line of the breaker opening and closing is connected with the male plug, and the cable is divided into three functional interfaces of closing, main opening and auxiliary opening along the twelve-core cable.
2. The mechanical latching controller of a circuit breaker of claim 1, wherein: the direct current output end of the rectifier (4) is also connected to an SF6 breaker unlocking output switch (6), one end of an SF6 breaker unlocking four-core aviation female plug (8) is connected with the SF6 breaker unlocking output switch (6), and the other end of the SF6 breaker unlocking four-core aviation female plug is connected with a four-core aviation male plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022675312.6U CN213752516U (en) | 2020-11-18 | 2020-11-18 | Mechanical locking controller of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022675312.6U CN213752516U (en) | 2020-11-18 | 2020-11-18 | Mechanical locking controller of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752516U true CN213752516U (en) | 2021-07-20 |
Family
ID=76825932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022675312.6U Active CN213752516U (en) | 2020-11-18 | 2020-11-18 | Mechanical locking controller of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752516U (en) |
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2020
- 2020-11-18 CN CN202022675312.6U patent/CN213752516U/en active Active
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