CN201364851Y - Permanent magnet swing-angle motor actuator of high-voltage circuit breaker - Google Patents
Permanent magnet swing-angle motor actuator of high-voltage circuit breaker Download PDFInfo
- Publication number
- CN201364851Y CN201364851Y CNU2008202321435U CN200820232143U CN201364851Y CN 201364851 Y CN201364851 Y CN 201364851Y CN U2008202321435 U CNU2008202321435 U CN U2008202321435U CN 200820232143 U CN200820232143 U CN 200820232143U CN 201364851 Y CN201364851 Y CN 201364851Y
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- permanent magnet
- circuit breaker
- voltage circuit
- swing angle
- magnet swing
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Abstract
The utility model relates to a permanent magnet swing-angle motor actuator of a high-voltage circuit breaker, which belongs to the technical field of the power transmission and transformation equipment, and comprises a high-voltage circuit breaker, a four-link transmission mechanism, a tripod and a permanent magnet swing-angle motor. The spindle of the permanent magnet swing-angle motor is connected with the four-link transmission mechanism; the permanent magnet swing-angle motor comprises a stator iron core, a rotor iron core, a permanent magnet and a spindle, and is equipped with the spindle, the rotor iron core, the permanent magnet, an armature winding, the stator iron core and a shell in sequence from the inside to the outside along the radial direction. The utility model has the advantage of driving the opening/closing movement of the moving contact of the high-voltage circuit breaker through the swinging angle of the electromagnetic torque generated by the motor, and realizing the maintenance and fixation of the high-voltage circuit breaker in the open/closed position through the cogging torque of the stator iron core of the permanent magnet motor. In addition, the utility model has the advantages of low mass of moving components, small inertia of movement, high response speed, low energy consumption, high efficiency, good reliability, high precision and controllable motion process.
Description
Technical field
The utility model belongs to the power transmission and transforming equipment technical field, and particularly a kind of permanent magnet swing angle electric operating mechanism of high voltage circuit breaker is applicable to the intellectualized operation of circuit breaker.
Background technology
Primary cut-out is a most important switchgear in the electric power system, is undertaking the dual role of control and protective circuit.Its performance quality is one of key factor that can the decision electric power system safe operation.And the repertoire of primary cut-out all is embodied in deciliter action of contact, and deciliter action of contact will realize by operating mechanism.Operating mechanism is the important component part of circuit breaker, is one of critical component of decision circuit breaker performance, and the quality of its performance will directly have influence on the technical performance of circuit breaker.Therefore, the functional reliability of circuit breaker depends on the reliable in action of operating mechanism to a great extent.The circuit breaker developing history of many decades shows, operating mechanism has great influence to the development of circuit breaker, the performance of circuit breaker has much relations with the operating mechanism that is adopted, it is several that operating mechanism can be divided into fluid pressure type, electromagnetic type, spring and magneto etc. by operation principle, all has a common ground in the design of applied all the time traditional operation mechanism---complicated in mechanical structure and machining accuracy high request.Because the requirement of the job specification of circuit breaker own makes that its operating mechanism requires to finish its operating process in Millisecond, and the system that this cover is made up of component of machine fully goes to realize that its requirement is very high.From fault statistics numeral international, state's inner breaker, mechanical breakdown is in the great majority, up to 70% of total failare.Therefore, in circuit breaker today to high voltage, big capacity, high reliability development, in order to satisfy the requirement of electric power system to high reliability, when being devoted to improve traditional operating mechanism performance, q﹠r, be necessary to study that a kind of volume is little, parts are few, simple and reliable for structure and operating mechanism that motion process is controlled.
Summary of the invention
For the deficiency that solves above conventional circuit breaker operating mechanism with satisfy the present and following needs of circuit breaker, the utility model provides a kind of permanent magnet swing angle electric operating mechanism of high voltage circuit breaker, it has significantly reduced the transmission mechanism part of traditional operating mechanism, utilizes the main shaft of motor to drive the branch/combined floodgate of moving contact in high voltage breaker by quadric chain.
This device comprises primary cut-out, four jointed gear units, tripod and permanent magnet swing angle electric, the main shaft of permanent magnet swing angle electric connects an end of four jointed gear units, the other end of four jointed gear units is connected by tripod with the moving contact of primary cut-out, the angle of the electromagnetic torque swing that permanent magnet swing angle electric self produces drives the high moving contact branch/combined floodgate motion that presses circuit breaker, and the position that the groove torque of permanent magnet swing angle electric stator core makes height press the moving contact branch/combined floodgate of circuit breaker is maintained fixed.
Permanent magnet swing angle electric comprises stator core, rotor core, permanent magnet and main shaft, radially assemble main shaft, rotor core, permanent magnet, armature winding, stator core and shell from inside to outside successively, embedded opposite polarity permanent magnet in the rotor core successively, be provided with non-magnet material between adjacent two magnetic poles, position transducer places on the stator, velocity transducer places on the main shaft, stator core is evenly distributed to few 4 grooves along excircle, be provided with armature winding in the groove of stator core, armature winding adopts individual layer to concentrate whole distance, and armature winding is single-phase form.
The angle of swinging at the electromagnetic torque of permanent magnet swing angle electric self generation drives the high moving contact branch/combined floodgate motion that presses circuit breaker, the position that the groove torque of permanent magnet swing angle electric stator core makes height press the moving contact branch/combined floodgate of circuit breaker is maintained fixed, the principle that realizes above-mentioned functions is for when feeding electric current in the armature winding, the effect that is subjected to electromagnetic force in the magnetic field that permanent magnet produces produces electromagnetic torque, driving rotor core swings, armature winding under the different magnetic poles feeds the opposite electric current of direction, make synchronization produce peak value thrust, rotor core and main shaft are one, four jointed gear units connect main shaft, four jointed gear units make the moving contact branch/combined floodgate motion of primary cut-out, and the groove torque of permanent magnet swing angle electric stator core makes primary cut-out be maintained fixed in the divide-shut brake position.
Advantage of the present utility model is to have broken through the principle of mechanism kinematic on the traditional sense, thereby the certain angle of electromagnetic torque swing of utilizing permanent magnet swing angle electric self to produce drives the branch/combined floodgate of moving contact in high voltage breaker, utilizes the groove torque of permanent magnet swing angle electric stator core to realize the maintenance function of circuit breaker in the divide-shut brake position.In addition the permanent magnet swing angle linear electric motors it also to have heavy moving parts little, movement inertia is little, response speed is fast, energy loss is little, has improved efficient; Its reliability is better, and the high accuracy and the motion process that have are controlled.
Description of drawings
Fig. 1 is the structural representation of the utility model mesohigh breaker permanent-magnet swing angle electric operating mechanism;
Fig. 2 is the profile of permanent magnet swing angle electric in the utility model;
Fig. 3 is the structural representation of permanent magnet swing angle electric in the utility model;
Fig. 4 is a permanent-magnetic synchronous motor stator core construction schematic diagram;
Fig. 5 is a permanent magnet swing angle electric stator core schematic diagram in the utility model.
Among Fig. 1: 1 permanent magnet swing angle electric, 2 main shafts, 3 flanges, 4 four jointed gear units, 5 touch springs, 6 tripods, the moving contact of 7 primary cut-outs, the fixed contact of 8 primary cut-outs, 9 arc control device;
Among Fig. 2: 10 permanent magnets, 11 non-magnet materials, 12 armature winding, 13 grooves;
Among Fig. 3: 14 end caps, 15 shells, 16 rotor cores, 17 stator cores.
Embodiment
The utility model is an example with the indoor vacuum circuit-breaker of 40.5kV, according to the requirement of arc control device to operating mechanism, designed a kind of permanent magnet swing angle electric operating mechanism of high voltage circuit breaker, the electromagnetic torque that primary cut-out requires permanent magnet swing angle electric operating mechanism to provide reaches 300～500Nm, movement velocity reaches 500～700r/min, is less than 40ms running time.
The structure of permanent magnet swing angle electric operating mechanism of high voltage circuit breaker as shown in Figure 1, comprise primary cut-out, four jointed gear units 4, tripod 6 and permanent magnet swing angle electric 1, the main shaft 2 of permanent magnet swing angle electric 1 connects an end of four jointed gear units 4, the other end of four jointed gear units 4 is connected by tripod 6 with the moving contact of primary cut-out 7, the angle that the electromagnetic torque that permanent magnet swing angle electric 1 self produces is swung drives the high 7 minutes/motion of closing a floodgate of moving contact that presses circuit breaker, and the position that groove 13 torques of permanent magnet swing angle electric 1 stator core 17 can make height press the 7 minutes/combined floodgate of moving contact of circuit breaker is maintained fixed.
Wherein permanent magnet swing angle electric structure such as Fig. 2, Fig. 3 and shown in Figure 5ly comprise stator core 17, rotor core 16, permanent magnet 10 and main shaft 2, radially assemble main shaft 2 from inside to outside successively, rotor core 16, permanent magnet 10, armature winding 12, stator core 17 and shell 15, embedded opposite polarity permanent magnet 10 in the rotor core 16 successively, be provided with non-magnet material 11 between adjacent two magnetic poles, position transducer places on the stator, velocity transducer places on the main shaft 2, stator core 17 is evenly distributed to few 4 grooves 13 along excircle, be provided with armature winding 12 in the groove 13 of stator core 17, armature winding 12 adopts individual layer to concentrate the form of whole distance, and armature winding 12 is single-phase.
Claims (3)
1, a kind of permanent magnet swing angle electric operating mechanism of high voltage circuit breaker, comprise primary cut-out, four jointed gear units and tripod, it is characterized in that: this mechanism is provided with a permanent magnet swing angle electric, its main shaft connects an end of four jointed gear units, and the other end of four jointed gear units is connected by tripod with the moving contact of primary cut-out.
2, permanent magnet swing angle electric operating mechanism of high voltage circuit breaker according to claim 1, it is characterized in that described permanent magnet swing angle electric comprises stator core, rotor core, permanent magnet and main shaft, radially assemble main shaft from inside to outside successively, rotor core, permanent magnet, armature winding, stator core and shell, embedded opposite polarity permanent magnet in the rotor core successively, be provided with non-magnet material between adjacent two magnetic poles, position transducer places on the stator, velocity transducer places on the main shaft, stator core is evenly distributed to few 4 grooves along excircle, be provided with armature winding in the groove of stator core, armature winding adopts individual layer to concentrate the form of whole distance.
3, permanent magnet swing angle electric operating mechanism of high voltage circuit breaker according to claim 2 is characterized in that described armature winding is single-phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202321435U CN201364851Y (en) | 2008-12-26 | 2008-12-26 | Permanent magnet swing-angle motor actuator of high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202321435U CN201364851Y (en) | 2008-12-26 | 2008-12-26 | Permanent magnet swing-angle motor actuator of high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201364851Y true CN201364851Y (en) | 2009-12-16 |
Family
ID=41475523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202321435U Expired - Fee Related CN201364851Y (en) | 2008-12-26 | 2008-12-26 | Permanent magnet swing-angle motor actuator of high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201364851Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560056A (en) * | 2013-11-18 | 2014-02-05 | 沈阳工业大学 | Operating mechanism of high-voltage breaker brushless coil exciting direct-current motor |
-
2008
- 2008-12-26 CN CNU2008202321435U patent/CN201364851Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560056A (en) * | 2013-11-18 | 2014-02-05 | 沈阳工业大学 | Operating mechanism of high-voltage breaker brushless coil exciting direct-current motor |
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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: 20091216 Termination date: 20101226 |