CN202454487U - Permanent magnet operating circuit breaker device - Google Patents
Permanent magnet operating circuit breaker device Download PDFInfo
- Publication number
- CN202454487U CN202454487U CN2012200568336U CN201220056833U CN202454487U CN 202454487 U CN202454487 U CN 202454487U CN 2012200568336 U CN2012200568336 U CN 2012200568336U CN 201220056833 U CN201220056833 U CN 201220056833U CN 202454487 U CN202454487 U CN 202454487U
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- Prior art keywords
- permanent magnet
- operating
- circuit breaker
- main shaft
- connecting plate
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model aims to provide a permanent magnet operating circuit breaker device. The permanent magnet operating circuit breaker device comprises a shell, wherein an operating mechanism, a switch device and a main shaft are arranged in the shell; the operating mechanism is connected with the switch device through the main shaft; the operating mechanism comprises a permanent magnet control device and an operating device; the front end of the operating device is connected with the permanent magnet control device; the back end of the operating device is connected with a vacuum arc extinguish chamber; the operating device is also connected with the main shaft; compared with the conventional product, the permanent magnet operating circuit breaker device has the characteristics of compact and firm structure, low loop resistance and high insulation strength by controlling on/off of the circuit breaker through the permanent magnet control device, and damage and influence of external factors on the vacuum arc extinguish chamber are completely eliminated; and the circuit breaker can be used under various weather conditions throughout the world, and is reliable in performance and practical, and the aim of providing the circuit breaker is fulfilled.
Description
Technical field
The utility model relates to a kind of release unit; Be particularly related to a kind of be used for three-phase alternating current 50Hz, 3.6～40.5kv electric power system, can supply industrial and mining enterprises, power plant and transformer station as the usefulness of a deciliter load current, overload current, fault current and be applicable to the permanent magnetic operating release unit of frequent operation occasion.
Background technology
At present; The ac high-voltage switch adopts AC high voltage vacuum breaker more, and the operating mechanism of the AC high voltage vacuum breaker of domestic 3.6-40.5kv grade is spring operating mechanism, because mechanism element is many; And the divide-shut brake system merges each other; High to the assembly precision requirement, cause hazard rate high, the life-span is shorter.
Therefore, need a kind of permanent magnetic operating release unit especially, to solve the above-mentioned existing problem that exists.
The utility model content
The purpose of the utility model is to provide a kind of permanent magnetic operating release unit, and the defective to prior art exists reduces mechanical oscillation and noise greatly; The various performance parameters index and the mechanical endurance of circuit breaker have been improved; Simple in structure, mechanical drive train is short, and parts are few.
To achieve these goals, the technical scheme of the utility model is following:
A kind of permanent magnetic operating release unit, it comprises a housing, is provided with an operating mechanism, a switching device and a main shaft in the said housing; Said operating mechanism is connected with said switching device through said main shaft; It is characterized in that said operating mechanism comprises a permanent magnet control means and an operating means, the front end of said operating means connects said permanent magnet control means; The rear end of said operating means connects a vacuum interrupter, and said operating means also is connected mutually with said main shaft.
In an embodiment of the utility model, said permanent magnet control means comprises movable core, permanent magnet, solenoid, outer yoke and drive rod; Said movable core is sleeved on the said drive rod, and said permanent magnet and solenoid are sleeved on the outside of said movable core, and said outer yoke is arranged on the outside of said permanent magnet and said solenoid.
In an embodiment of the utility model; Said operating means comprises that one first drives connecting plate, one second driving connecting plate, a transmission crank arm and a driving terminal pad; The said first driving connecting plate, driving terminal pad, second drive connecting plate and are connected mutually successively with transmission crank arm; The front end of the said first driving connecting plate is connected with said permanent magnet control means; Said driving terminal pad is connected mutually with said main shaft, and the rear end of said transmission crank arm is connected with said vacuum interrupter, is connected with the disjunction spring on the said transmission crank arm.
In an embodiment of the utility model; Said vacuum interrupter comprises the insulating cylinder of a tubulose; The front end of said vacuum interrupter is provided with an insulated tension pole; Be set with touch spring on the said insulated tension pole, the front end of said insulated tension pole is provided with moving contact, and said moving contact is connected mutually with said operating means.
The permanent magnetic operating release unit of the utility model; Compare with present product; Combined floodgate and separating brake through permanent magnet control means control circuit breaker; Have compact conformation, firm, loop resistance is low and dielectric strength is high characteristics, thoroughly eliminated destruction and the influence of extraneous factor vacuum interrupter; Can use under the various weather conditions all over the world, dependable performance, very practical, the purpose of realization the utility model.
The characteristics of the utility model can consult this case graphic and below better execution mode detailed description and obtain to be well understood to.
Description of drawings
Fig. 1 is the structural representation of the permanent magnetic operating release unit of the utility model;
Fig. 2 is the side sectional view of the permanent magnetic operating release unit of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, further set forth the utility model below in conjunction with specific embodiment.
As depicted in figs. 1 and 2; The permanent magnetic operating release unit of the utility model; It comprises a housing 100, is provided with an operating mechanism 200, a switching device 300 and a main shaft 400 in the said housing 100, and said operating mechanism 200 is connected with said switching device 300 through said main shaft 400.
Said operating mechanism 200 comprises a permanent magnet control means 210 and an operating means 220; The front end of said operating means 220 connects said permanent magnet control means 210; The rear end of said operating means 220 connects a vacuum interrupter 500, and said operating means 220 also is connected mutually with said main shaft 400.
As shown in Figure 2, said permanent magnet control means 210 comprises movable core 211, permanent magnet 212, solenoid 213, outer yoke 214 and drive rod 215; Said movable core 211 is sleeved on the said drive rod 215, and said permanent magnet 212 and solenoid 213 are sleeved on the outside of said movable core 211, and said outer yoke 214 is arranged on the outside of said permanent magnet 212 and said solenoid 213.
Said operating means 220 comprises that one first drives connecting plate 221, one second driving connecting plate 222, a transmission crank arm 223 and a driving terminal pad 224; The said first driving connecting plate 221, driving terminal pad 224, second drive connecting plate 222 and are connected mutually successively with transmission crank arm 223; The front end of the said first driving connecting plate 221 is connected with the drive rod 215 of said permanent magnet control means 210; Said driving terminal pad 224 is connected mutually with said main shaft 400; The rear end of said transmission crank arm 223 is connected with said vacuum interrupter 500, is connected with disjunction spring 225 on the said transmission crank arm 223.
Said vacuum interrupter 500 comprises the insulating cylinder 510 of a tubulose; The front end of said vacuum interrupter 500 is provided with an insulated tension pole 520; Be set with touch spring 530 on the said insulated tension pole 520; The front end of said insulated tension pole 520 is provided with moving contact 540, and said moving contact 540 is connected mutually with the transmission crank arm 223 of said operating means 220.
In the utility model; Insulating cylinder 510 adopts the cast of APG technology to form by epoxy resin; Thereby its creep resistance can be excellent, can effectively prevent the gathering of dust in the vacuum extinction outdoor face, reduced the influence that vacuum interrupter receives external factor; Guarantee that the circuit breaker external insulation also is high-impedance state under damp and hot and pollution severity environment.
During the electric switch-on operation; When circuit breaker is received when closing a floodgate order, 213 moments of solenoid of permanent magnet control means 210 pass to DC Forward Current, and the electromagnetic field that solenoid 213 produces and the permanent magnetic field forward of permanent magnet 212 are superposeed; Its electromagnetic force makes movable core 211 do the adhesive campaign; Drive connecting plate 221 through drive rod 215, first simultaneously and drive terminal pad 224 drive main shafts 400 and transmission crank arm 223 rotations, thereby make upwards rectilinear motion of insulated tension pole 520, drive speed and the fixed contact closure of moving contact 540 to set of vacuum interrupter 500; Touch spring 530 is compressed, and makes its contacting travel that reaches regulation and contact pressure.
Simultaneously, the suction of permanent magnetic field makes movable core 211 and outer yoke 214 adhesive firmly, and the stable state of both having closed a floodgate keeps or claims the magnetic padlock button, has accomplished whole electric switch-on process.
During electronic sub-switching operation; When circuit breaker is received separating brake when instruction, 213 moments of solenoid of permanent magnet control means 210 pass to reverse dc, and the electromagnetic field that solenoid 213 produces and the permanent magnetic field of permanent magnet 212 are oppositely superposeed; Magnetic padlock button confining force is fallen sharply; Because the forceful action that touch spring 530 and disjunction extension spring 225 are synthetic, make insulated tension pole 520, transmission crank arm 223, the second transmission connecting plate 222, drive terminal pad 224, first and drive connecting plate 221, main shaft 400, movable core 211 quick actings, drive moving contact 540 counter motions; Separate with fixed contact fast; When movable core 211 moved to the separating brake position, the suction of permanent magnetic field kept its separating brake stable state, has accomplished whole electronic separating brake process.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The just principle of describing in the foregoing description and the specification of the utility model; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the scope of the utility model that requires protection.The protection range that the utility model requires is defined by appending claims and equivalent thereof.
Claims (4)
1. permanent magnetic operating release unit, it comprises a housing, is provided with an operating mechanism, a switching device and a main shaft in the said housing; Said operating mechanism is connected with said switching device through said main shaft; It is characterized in that said operating mechanism comprises a permanent magnet control means and an operating means, the front end of said operating means connects said permanent magnet control means; The rear end of said operating means connects a vacuum interrupter, and said operating means also is connected mutually with said main shaft.
2. permanent magnetic operating release unit according to claim 1 is characterized in that said permanent magnet control means comprises movable core, permanent magnet, solenoid, outer yoke and drive rod; Said movable core is sleeved on the said drive rod, and said permanent magnet and solenoid are sleeved on the outside of said movable core, and said outer yoke is arranged on the outside of said permanent magnet and said solenoid.
3. permanent magnetic operating release unit according to claim 1; It is characterized in that; Said operating means comprises that one first drives connecting plate, one second driving connecting plate, a transmission crank arm and a driving terminal pad; The said first driving connecting plate, driving terminal pad, second drive connecting plate and are connected mutually successively with transmission crank arm, and the front end of the said first driving connecting plate is connected with said permanent magnet control means, and said driving terminal pad is connected mutually with said main shaft; The rear end of said transmission crank arm is connected with said vacuum interrupter, is connected with the disjunction spring on the said transmission crank arm.
4. permanent magnetic operating release unit according to claim 1; It is characterized in that; Said vacuum interrupter comprises the insulating cylinder of a tubulose, and the front end of said vacuum interrupter is provided with an insulated tension pole, is set with touch spring on the said insulated tension pole; The front end of said insulated tension pole is provided with moving contact, and said moving contact is connected mutually with said operating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200568336U CN202454487U (en) | 2012-02-21 | 2012-02-21 | Permanent magnet operating circuit breaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200568336U CN202454487U (en) | 2012-02-21 | 2012-02-21 | Permanent magnet operating circuit breaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454487U true CN202454487U (en) | 2012-09-26 |
Family
ID=46870328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200568336U Expired - Fee Related CN202454487U (en) | 2012-02-21 | 2012-02-21 | Permanent magnet operating circuit breaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202454487U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117188A (en) * | 2013-01-17 | 2013-05-22 | 国网智能电网研究院 | High-speed switch for direct current breaker |
| CN105374616A (en) * | 2015-10-28 | 2016-03-02 | 安徽宇腾真空电气有限责任公司 | Rapid single-phase bypass vacuum contactor |
| CN110274756A (en) * | 2019-06-27 | 2019-09-24 | 中国科学院西安光学精密机械研究所 | A kind of experimental rig that locking relieving mechanism is unfolded under vacuum |
-
2012
- 2012-02-21 CN CN2012200568336U patent/CN202454487U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117188A (en) * | 2013-01-17 | 2013-05-22 | 国网智能电网研究院 | High-speed switch for direct current breaker |
| CN105374616A (en) * | 2015-10-28 | 2016-03-02 | 安徽宇腾真空电气有限责任公司 | Rapid single-phase bypass vacuum contactor |
| CN110274756A (en) * | 2019-06-27 | 2019-09-24 | 中国科学院西安光学精密机械研究所 | A kind of experimental rig that locking relieving mechanism is unfolded under vacuum |
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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: 20120926 Termination date: 20160221 |