CN201788892U - Alternating current high voltage vacuum circuit breaker - Google Patents
Alternating current high voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN201788892U CN201788892U CN2010205396375U CN201020539637U CN201788892U CN 201788892 U CN201788892 U CN 201788892U CN 2010205396375 U CN2010205396375 U CN 2010205396375U CN 201020539637 U CN201020539637 U CN 201020539637U CN 201788892 U CN201788892 U CN 201788892U
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- static magnetic
- magnetic yokes
- magnetic yoke
- base
- high voltage
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Abstract
The utility model discloses an alternating current high voltage vacuum circuit breaker, comprising a moving magnetic yoke (1) and a fixed magnetic yoke (3), wherein the fixed magnetic yoke (3) is fixed on a base (5) and is equipped with an excitation coil (2) and a permanent magnet (4), the top end of the fixed magnetic yoke (3) is matched with the moving magnetic yoke (1), the permanent magnet (4) is positioned at one end, coming into contact with the base (5), of the fixed magnetic yoke (3), the excitation coil (2) is positioned at one end, matched with the moving magnetic yoke (1), of the fixed magnetic yoke (3), the moving magnetic yoke (1) is provided with a shaft (6) penetrating through the fixed magnetic yoke (3) and the base (5); the fixed magnetic yoke (3) and the base (5) are provided with guide sleeve inserts (7) surrounding the shaft (6). The circuit breaker is embedded, inside the moving magnetic yoke, with the inserts with high wearing resistance as guide sleeves for moving components, which not only meets the demands of overall wearing resistance and long mechanical service life of operation mechanism, but also provides excellent guidance for the moving components.
Description
Technical field
The utility model relates to control and the protection equipment of using in a kind of electric power system, especially relates to a kind of AC high voltage vacuum breaker.
Background technology
AC high voltage vacuum breaker is as control main in the electric power system and protection equipment; its reliability height, cut-off that capacity is big, the time between overhauls(TBO) long, pollution-free, no explosion hazard, be fit to series of advantages such as frequent operation, all obtained application more and more widely in every field such as power industry, industrial and mining enterprises, railway transportations.The operating mechanism reliable in action of this sky circuit breaker inside of also will looking for the truth, mechanical endurance is long, is fit to frequent operation etc.
Existing AC high voltage vacuum breaker adopts the operating mechanism of electromagnetism action permanent magnetism snap close principle design, the static magnetic yokes of electromagnetism action part, static magnetic yokes require to adopt the good electrical pure iron of magnetic property, and at the bottom of the electrical pure iron Material Strength, easy to wear, can't satisfy requirement to operating mechanism lead aircraft tool life-span and frequent operation.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of AC high voltage vacuum breaker at problems of the prior art, its objective is the requirement of satisfying operating mechanism lead aircraft tool life-span and frequent operation, guarantees the reliable in action of circuit breaker.
The technical solution of the utility model is this kind AC high voltage vacuum breaker, comprise static magnetic yokes and static magnetic yokes, described static magnetic yokes is fixed on the base, and be equipped with magnetizing coil and permanent magnet on the static magnetic yokes, match with static magnetic yokes in the top of static magnetic yokes, described permanent magnet is positioned at an end that contacts with base on the static magnetic yokes, and described magnetizing coil is positioned at an end that matches with static magnetic yokes on the static magnetic yokes, described static magnetic yokes is provided with axle, and axle runs through static magnetic yokes and base; Described static magnetic yokes and base are provided with the guider that surrounds axle.
Described guider is the fairlead inserts, and the fairlead inserts is arranged on the local location of static magnetic yokes, apart from the guider on the base certain distance is arranged.
Described fairlead inserts is arranged on an end that contacts with static magnetic yokes on the static magnetic yokes.
As another kind of embodiment of the present utility model, described guider is the fairlead inserts, and the fairlead inserts is arranged on the position on the static magnetic yokes and between the axle, covers whole through hole.
A kind of AC high voltage vacuum breaker with said structure has the following advantages:
1, this kind AC high voltage vacuum breaker is embedded with inserts with high-wear resistance fairlead as moving component at the static magnetic yokes of mechanism kinematic parts, the overall wear resistance and the requirement in lead aircraft tool life-span of operating mechanism have not only been satisfied, for moving component provides good guide effect, guaranteed the reliable in action of circuit breaker simultaneously.
2, the static magnetic yokes of this kind AC high voltage vacuum breaker and static magnetic yokes all adopt electrical pure iron, base is selected aluminium for use, and axle adopts stainless steel, thereby has formed good magnetic loop, the fairlead inserts adopts higher hardness material and surface quality simultaneously, has put forward the overall wear resistance of high mechanism.
3, this kind AC high voltage vacuum breaker adopts 2 positions to install the fairlead inserts additional, can play more effective guide-localization effect, when operating mechanism during in the separation point position, the hunting range of static magnetic yokes reduces, operating characteristics parameter stability to operating mechanism is greatly improved, simultaneously, the operating characteristics parameter of resistance to wearing and improve operating mechanism there is very big benefit.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of the utility model operating mechanism when make position.
Fig. 2 is the structural representation of the utility model operating mechanism when the separation point position.
In Fig. 1-2,1: static magnetic yokes; 2: magnetizing coil; 3: static magnetic yokes; 4: permanent magnet; 5: base; 6: axle; 7: the fairlead inserts.
Embodiment
Fig. 1 is the structural representation of the utility model operating mechanism when make position, and Fig. 2 is the structural representation of the utility model operating mechanism when the separation point position.By the combination of structure shown in Fig. 1-2 as can be known, this kind AC high voltage vacuum breaker comprises static magnetic yokes 1 and static magnetic yokes 3, static magnetic yokes 3 is fixed on the base 5, and be equipped with magnetizing coil 2 and permanent magnet 4 on the static magnetic yokes 3, match with static magnetic yokes 1 in the top of static magnetic yokes 3, permanent magnet 4 is positioned at an end that contacts with base 5 on the static magnetic yokes 3, and magnetizing coil 2 is positioned at an end that matches with static magnetic yokes 1 on the static magnetic yokes 3, static magnetic yokes 1 is provided with axle 6, and axle 6 runs through static magnetic yokes 3 and base 5; Static magnetic yokes 3 and base 5 are provided with the fairlead inserts 7 that surrounds axle 6, and wherein fairlead inserts 7 is arranged on an end that contacts with static magnetic yokes 1 on the static magnetic yokes 3.Fairlead inserts 7 is the higher material of hardness, and the hardness of fairlead inserts 7 requires to be preferably HB220～250, and surface quality requires to be preferably 1.6.
Wherein, fairlead inserts 7 can also be arranged on the static magnetic yokes 3 and the position between the axle 6, covers whole through hole.
The concrete operation principle of this kind AC high voltage vacuum breaker is: when operating mechanism during in make position, permanent magnet 4 provides the confining force of adhesive, guarantees that the sound yoke is in the close position; When passing through electric current on magnetizing coil 2, the magnetic field that produce this moment is opposite with the magnetic direction of permanent magnet 4, can drive static magnetic yokes 1 and move to the separation point position, and operating mechanism leans on the locker of mechanism outside to keep in the maintenance of separation point position; When on magnetizing coil 2 when the reverse current, the magnetic field that produce this moment is identical with the magnetic direction of permanent magnet 4, can drive static magnetic yokes 1 and move to make position from the separation point position.
Operating mechanism is in motion process, static magnetic yokes 1 drives reciprocating action in axle 6 position range that fairlead inserts 7 limits in static magnetic yokes 3 and base 5, axle 6 does not directly contact with base 5 with static magnetic yokes 3, as long as guarantee the hardness material and the surface quality of fairlead inserts 7, just can improve the overall wear resistance of mechanism.
Claims (4)
1. AC high voltage vacuum breaker, comprise static magnetic yokes (1) and static magnetic yokes (3), it is characterized in that: described static magnetic yokes (3) is fixed on the base (5), and be equipped with magnetizing coil (2) and permanent magnet (4) on the static magnetic yokes (3), match with static magnetic yokes (1) in the top of static magnetic yokes (3), described permanent magnet (4) is positioned at static magnetic yokes (3) and goes up an end that contacts with base (5), described magnetizing coil (2) is positioned at static magnetic yokes (3) and goes up an end that matches with static magnetic yokes (1), described static magnetic yokes (1) is provided with axle (6), and axle (6) runs through static magnetic yokes (3) and base (5); Described static magnetic yokes (3) and base (5) are provided with the guider that surrounds axle (6).
2. AC high voltage vacuum breaker according to claim 1, it is characterized in that: described guider is fairlead inserts (7), fairlead inserts (7) is arranged on the local location of static magnetic yokes (3), apart from the guider on the base (5) certain distance is arranged.
3. AC high voltage vacuum breaker according to claim 2 is characterized in that: described fairlead inserts (7) is arranged on static magnetic yokes (3) and goes up an end that contacts with static magnetic yokes (1).
4. AC high voltage vacuum breaker according to claim 1 is characterized in that: described guider is fairlead inserts (7), and fairlead inserts (7) is arranged on the static magnetic yokes (3) and the position between the axle (6), covers whole through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205396375U CN201788892U (en) | 2010-09-19 | 2010-09-19 | Alternating current high voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205396375U CN201788892U (en) | 2010-09-19 | 2010-09-19 | Alternating current high voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788892U true CN201788892U (en) | 2011-04-06 |
Family
ID=43820848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205396375U Expired - Fee Related CN201788892U (en) | 2010-09-19 | 2010-09-19 | Alternating current high voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201788892U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950704A (en) * | 2010-09-19 | 2011-01-19 | 安徽鑫龙电器股份有限公司 | AC high-voltage vacuum circuit breaker |
| CN105826127A (en) * | 2016-05-25 | 2016-08-03 | 深圳市粤能电气有限公司 | Magnetically-controlled fast circuit breaker |
| CN104685599B (en) * | 2012-09-27 | 2017-03-08 | 西门子公司 | Performs device and off device for vacuum switch tube |
-
2010
- 2010-09-19 CN CN2010205396375U patent/CN201788892U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950704A (en) * | 2010-09-19 | 2011-01-19 | 安徽鑫龙电器股份有限公司 | AC high-voltage vacuum circuit breaker |
| CN104685599B (en) * | 2012-09-27 | 2017-03-08 | 西门子公司 | Performs device and off device for vacuum switch tube |
| US10032589B2 (en) | 2012-09-27 | 2018-07-24 | Siemens Aktiengesellschaft | Actuating apparatus for a vacuum interrupter and disconnecting arrangement |
| CN105826127A (en) * | 2016-05-25 | 2016-08-03 | 深圳市粤能电气有限公司 | Magnetically-controlled fast circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130919 |