CN201918310U - Bistable-state phase-selection zero-crossing on-off actuating mechanism of circuit breaker - Google Patents
Bistable-state phase-selection zero-crossing on-off actuating mechanism of circuit breaker Download PDFInfo
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- CN201918310U CN201918310U CN2011200150585U CN201120015058U CN201918310U CN 201918310 U CN201918310 U CN 201918310U CN 2011200150585 U CN2011200150585 U CN 2011200150585U CN 201120015058 U CN201120015058 U CN 201120015058U CN 201918310 U CN201918310 U CN 201918310U
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- switching
- circuit breaker
- electromagnet
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Abstract
The utility model discloses a bistable-state phase-selection zero-crossing on-off actuating mechanism of a circuit breaker, which is arranged in a box-sharing type circuit breaker shell and comprises a three-phase circuit and three permanent magnet type electromagnets fittingly connected with each other one by one. A transmission rod of each electromagnet is simultaneously fastened or separated from a phase selecting mechanism so as to realize simultaneous advanced and retreated switching-off and switching-on or single-phase advanced and retreated switching-off and switching-on of the three-phase circuit, and single phase switching-off and switching-on realizes phase selection of respective cyclic wave zero areas of three-phase voltage. The phase selecting mechanism comprises a synchronous parallel connection plate and a permanent magnet type electromagnet, the parallel connecting plate is provided with bayonets matching with the transmission rods of the electromagnets and can move up and down so as to be simultaneously fastened with or separated from the transmission rods, and the parallel connecting plate is controlled to ascend and descend by a phase selecting electromagnet. The circuit breaker adopts the three-phase box-sharing structure, and phase splitting switching-off and switching-on can reduce inrush current and ring current, improves a transient process during switching-off and switching-on, reduces impact to a power grid and strengthens reliability of a switch.
Description
Technical field
The utility model discloses a kind of Threephase common-box high-pressure vacuum breaker bistable state and selects phase zero passage break-make actuator, belongs to circuit breaker manufacturing technology field, especially relates to the bistable permanent magnetic actuator that has phase-selecting function in the outdoor vacuum circuit breaker.
Background technology
Circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application, wherein, and primary cut-out (or claiming high-pressure vacuum switch); Be divided into three-phase discrete and Threephase common-box by the structure construction form; Be electric control appliance main in the power transmission and transformation line, when electric power system normally moved, it can cut off and connect the zero load and the load current of circuit and various electric equipments; When system broke down, it and relaying protection control circuit cooperated, cutting-off of short-circuit fault current rapidly, and preventing expansion accident scope, so the quality of primary cut-out work, directly have influence on the safe operation of electric power system.
Existing Threephase common-box outdoor vacuum circuit breaker is to drive 3 phase contact mechanisms simultaneously by one group of electromagnet, reaches 3 divide-shut brakes when identical; Yet divide-shut brake is big to the impact of electrical network simultaneously for 3 circuitry phases, the transient process instability of electric power system, and disjunction, arc extinguishing be difficulty, and reliability reduces.
Summary of the invention
At the deficiency of existing circuit-breaker switching on-off technology, the utility model provides a kind of simple and reasonable circuit breaker bistable state to select phase zero passage break-make actuator, and it is divide-shut brake simultaneously, also can select single-phase divide-shut brake.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of common box type circuit breaker bistable state is selected phase zero passage break-make actuator, be arranged in the Shell of circuit breaker, comprise three-phase circuit and three permanent-magnet type electromagnet that are connected one to one, the drive link of each electromagnet simultaneously and one select mutually mechanism to fasten or break away from advance and retreat divide-shut brake or single-phase advance and retreat divide-shut brake when realizing three-phase circuit, single-phase advance and retreat divide-shut brake is to select phase in three-phase circuit cycle zone at zero point separately.
Further, the described controller connection of selecting outside phase mechanism and the Shell of circuit breaker mutually of selecting, and by selecting the phase controller to control its advance and retreat simultaneously divide-shut brake or single-phase advance and retreat divide-shut brake.
Further, the described phase mechanism that selects comprises synchronous and a connecting plate and an electromagnet, and connecting plate is provided with the bayonet socket with each electromagnet transmission rod, should and connecting plate can move up and down fastening simultaneously with each drive link or to break away from, and and connecting plate control its oscilaltion by the phase-splitting electromagnetic mechanism.
The utility model connects 3 phase contact mechanisms by 3 independent permanent-magnet type electromagnet, and outer dress selects the phase controller, selects the phase controller can control divide-shut brake simultaneously, also can select single-phase divide-shut brake, when selecting single-phase divide-shut brake, has mechanical selection mechanism to cooperate.
The utlity model has following useful effect:
This circuit breaker employing Threephase common-box structure, single-phase zero passage divide-shut brake can reduce shoves, and reduces circulation, avoids overvoltage, improves the transient process of divide-shut brake, reduces the impact to electrical network, and current interruption is easier to, and reliability strengthens.This outdoor vacuum circuit breaker insulation is reliable, appliance life is long, non-maintaining, be specially adapted to the requirement in frequent operation place, more be suitable at the rural power grids that overhaul, the ability of maintenance is not strong and install and use, meet the requirement of " GB1984 ac hv breaker ", " GB1985 exchanges high isolating switch and earthed switch ".
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment: structure as shown in Figure 1, a kind of circuit breaker bistable state is selected phase zero passage break-make actuator, be arranged in the Shell of circuit breaker, comprise three-phase circuit and three electromagnet that are connected one to one 10,11,12, the drive link of each electromagnet 20,21,22 simultaneously and one select mutually mechanism to fasten or break away to advance when realizing three-phase circuit and close a floodgate or single-phase propelling is closed a floodgate.Described select phase mechanism and Shell of circuit breaker outer select mutually that controller connects, and advance simultaneously and close a floodgate or single-phase propelling is closed a floodgate by selecting the phase controller to control it, it is to select phase in three-phase circuit cycle zone at zero point separately that single-phase propelling is closed a floodgate.
As Fig. 1, the described phase mechanism that selects comprises synchronous and a connecting plate 3 and an electromagnet, and connecting plate 3 is provided with the bayonet socket with each electromagnet transmission rod, also connecting plate can move up and down to fasten simultaneously with each drive link 20,21,22 or to break away from, and and connecting plate is by its oscilaltion of phase-splitting magnet control, and connecting plate is when being fastened on drive link, and each drive link just can be pushed ahead simultaneously three-phase circuit is closed a floodgate.
The utility model connects the contact mechanism of three-phase circuits by three permanent-magnet type electromagnet, and outer dress selects the phase controller, selects the phase controller can control divide-shut brake simultaneously, also can select single-phase divide-shut brake, when selecting single-phase combined floodgate, mechanical selection mechanism is arranged.
This circuit breaker adopts the Threephase common-box structure, and single-phase zero passage divide-shut brake can reduce circulation, and minimizing is shoved, and avoids overvoltage, reduces the impact to electrical network, and current interruption is easier to, and reliability strengthens.This outdoor vacuum circuit breaker insulation is reliable, and appliance life is long, non-maintaining, is specially adapted to the requirement in frequent operation place, more is suitable at the rural power grids that overhaul, the ability of maintenance is not strong and installs and uses.
The above record only for utilizing the embodiment of this origination techniques content, anyly is familiar with modification, the variation that this skill person uses this creation to do, and all belongs to the claim of this creation opinion, and is not limited to those disclosed embodiments.
Claims (3)
1. a circuit breaker bistable state is selected phase zero passage break-make actuator, be arranged in the Shell of circuit breaker, it is characterized in that: this mechanism comprises three-phase circuit and three permanent-magnet type electromagnet that are connected one to one, the drive link of each electromagnet simultaneously and one select mutually mechanism to fasten or break away from advance and retreat divide-shut brake or single-phase advance and retreat divide-shut brake when realizing three-phase circuit, single-phase advance and retreat divide-shut brake is to select phase in three-phase circuit cycle zone at zero point separately.
2. circuit breaker bistable state according to claim 1 is selected phase zero passage break-make actuator, it is characterized in that: the described controller connection of selecting outside phase mechanism and the Shell of circuit breaker mutually of selecting, and by selecting the phase controller to control its advance and retreat simultaneously divide-shut brake or single-phase advance and retreat divide-shut brake.
3. circuit breaker bistable state according to claim 1 and 2 is selected phase zero passage break-make actuator, it is characterized in that: the described phase mechanism that selects comprises synchronous and a connecting plate and a permanent-magnet type electromagnet, and connecting plate is provided with the bayonet socket with each electromagnet transmission rod, should and connecting plate can move up and down fastening simultaneously with each drive link or to break away from, and and connecting plate by its oscilaltion of phase-splitting magnet control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200150585U CN201918310U (en) | 2011-01-18 | 2011-01-18 | Bistable-state phase-selection zero-crossing on-off actuating mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200150585U CN201918310U (en) | 2011-01-18 | 2011-01-18 | Bistable-state phase-selection zero-crossing on-off actuating mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918310U true CN201918310U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200150585U Expired - Fee Related CN201918310U (en) | 2011-01-18 | 2011-01-18 | Bistable-state phase-selection zero-crossing on-off actuating mechanism of circuit breaker |
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| Country | Link |
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| CN (1) | CN201918310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035423A (en) * | 2012-11-30 | 2013-04-10 | 西安明维达电力科技有限公司 | Smart power grid non disturbance permanent magnet operating mechanism dividing and combining device and control method thereof |
-
2011
- 2011-01-18 CN CN2011200150585U patent/CN201918310U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035423A (en) * | 2012-11-30 | 2013-04-10 | 西安明维达电力科技有限公司 | Smart power grid non disturbance permanent magnet operating mechanism dividing and combining device and control method thereof |
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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: 20110803 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model |