CN1889214A - Dynamic three coil type double-steady permanent magnetic operating mechanism - Google Patents
Dynamic three coil type double-steady permanent magnetic operating mechanism Download PDFInfo
- Publication number
- CN1889214A CN1889214A CN 200610027689 CN200610027689A CN1889214A CN 1889214 A CN1889214 A CN 1889214A CN 200610027689 CN200610027689 CN 200610027689 CN 200610027689 A CN200610027689 A CN 200610027689A CN 1889214 A CN1889214 A CN 1889214A
- Authority
- CN
- China
- Prior art keywords
- iron core
- switching winding
- permanent magnet
- fixed core
- dynamic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a kind of permanent-magnet operating device used in the middle and high voltage switch. The dynamic, three loops, double steady state and permanent-magnet operating device includes the dynamic iron core, the permanent-magnet, the separating brake loop and the combining brake loop, the static iron core of the separating brake, the static iron core of the combining brake, the upper cover, the lower cover, the outer yoke and the force bar. The outer yoke is a hollow cylinder and is clipped by the upper and the lower covers. The dynamic iron core is in the center of the outer yoke and the force bar is fixed in the dynamic iron core. The permanent-magnet is installed in the dynamic iron core and moves with it. There are the combining brake loop, the static iron core of the combining brake, the first separating brake loop, the static iron core of the separating brake, the second brake loop between the outer yoke and the dynamic iron core from up to down. The loop circles on the framework and the first and the second separating brake loop connect in series. The invention has nice force, increases the speed of separating brake effectively, decreases the energy loss of separating and combining brake and conquers the shortcomings of low speed and great energy loss of current devices.
Description
(1) technical field
The present invention relates to electric power system confession, distribution technique, a kind of permanent-magnet manipulating mechanism that the particularly middle and high device that compresses switch is used.
(2) background technology
The middle and high device that compresses switch is as control and distribute the electric component of electric energy, and in the closure that its major function is embodied in contact and the operation of disconnection, and the closure of contact is realized by operating mechanism with disconnection.Hydraulic mechanism, electromagnetic mechanism and spring mechanism several stages have been experienced in the development of operating mechanism.Permanent magnet mechanism is a kind of novel operating mechanism that development in recent years is got up, because its extensive concern simple in structure, that parts are few, the reliability advantages of higher is subjected to vast scientific research institution and manufacturing enterprise.At present, the relevant patent of the permanent magnet mechanism of having applied for has tens, but because the permanent magnet of traditional permanent magnet mechanism is installed between fixed core and the moving iron core, or some other mounting means such as fixed core and outer yoke is characterized in that permanent magnet fixes.Therefore the high magnetic energy that permanent magnet provided can not effectively be utilized, furtherly, can not well become the permanent magnetism power that permanent magnet provided from resistance the power of operating mechanism when needed, thereby wasted the high magnetic energy that permanent magnet provided and must provide bigger operating work, caused the waste of the energy by DC power supply.It two is that existing permanent magnet mechanism does not have the appropriate design magnetic structure, causes opening velocity to be difficult to improve, and can only merely rely on to improve the separating brake merit and solve, and perhaps adopts the method that installs tripping spring additional to solve.
(3) summary of the invention
The object of the present invention is to provide a kind of dynamic three coil type double-steady permanent magnetic operating mechanism, this permanent-magnet manipulating mechanism has good power producing characteristics, can effectively improve opening velocity, reduces branch, closing operation energy consumption.
The present invention is achieved in that a kind of dynamic three coil type double-steady permanent magnetic operating mechanism, comprise moving unshakable in one's determination, permanent magnet, switching winding, closing coil, the separating brake fixed core, the combined floodgate fixed core, upper end cover, bottom end cover, outer yoke, the bar of exerting oneself, it is characterized in that: outer yoke is a hollow cylinder, outer yoke is by last, bottom end cover is clamped, moving iron core places cylindrical yoke central authorities, moving center fixation unshakable in one's determination is equipped with the bar of exerting oneself, permanent magnet is installed in the moving servo-actuated iron core of going up unshakable in one's determination and moves, closing coil is housed between hollow cylinder yoke and moving iron core from top to bottom successively, the combined floodgate fixed core, first switching winding, the separating brake fixed core, second switching winding, coil winding is on skeleton, and first switching winding and second switching winding are connected in series.
Described permanent magnet has polylith, and the polylith permanent magnet is in a plane and radially be symmetry shape; The permanent magnet lower surface is not less than the second switching winding height to the distance of moving lower surface unshakable in one's determination, the height that is contained in the permanent magnet upper surface in the moving iron core is less than first switching winding, separating brake fixed core, second switching winding three height sum, and the permanent magnet height is greater than separating brake fixed core height.
Described moving height unshakable in one's determination is greater than closing coil and the two height sum of combined floodgate fixed core, less than closing coil, combined floodgate fixed core, first switching winding three height sum.
Described first switching winding and the second switching winding number of turn are unequal.
It is moving unshakable in one's determination inner that the present invention adopts permanent magnet to be installed in, and discrete combined floodgate fixed core and separating brake fixed core is set, and switching winding is divided into two parts, and separating brake fixed core upper and lower side is placed in.Thereby the magnetic circuit that combined floodgate fixed core and moving upper surface unshakable in one's determination and upper end cover are constituted is realized the stable maintenance of "on" position.The magnetic shunt that separating brake fixed core and moving iron core and combined floodgate fixed core constitute forms the magnetic force that upwards closes a floodgate, the separating brake fixed core forms the separating brake confining force with the main magnetic circuit that moving lower surface unshakable in one's determination and bottom end cover constitute, the separating brake confining force is greater than the magnetic force that upwards closes a floodgate, thus the stable maintenance of realization gate-dividing state.This magnetic structure both can reduce the separating brake confining force effectively, the high magnetic energy that more helps impelling permanent magnet to provide effectively is converted into the kinetic energy of closing operation, thereby reduce the combined floodgate power consumption, improve opening velocity, and overcome shortcomings such as existing operating mechanism opening velocity is slow, power consumption is big.
(4) description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is dynamic three coil type double-steady permanent magnetic operating mechanism structural representation of the present invention (half axial symmetry face view);
The independent excitatory magnetic line of force distribution map that produces of permanent magnet when Fig. 2 closes a floodgate for circuit breaker is in;
The independent excitatory magnetic line of force distribution map that produces of permanent magnet when Fig. 3 is in separating brake for circuit breaker.
Among the figure: 1 bar of exerting oneself, 2 upper end covers, 3 is moving unshakable in one's determination, 4 permanent magnets, 5 air gaps, 6 bottom end covers, 7 outer yokes, 8 closing coils, 9 combined floodgate fixed cores, 10 first switching windings, 11 separating brake fixed cores, 12 second switching windings.
(5) embodiment
Referring to Fig. 1, a kind of dynamic three coil type double-steady permanent magnetic operating mechanism comprises moving iron core 3, permanent magnet 4, switching winding 10,12, closing coil 8, separating brake fixed core 11, combined floodgate fixed core 9, upper end cover 2, bottom end cover 6, outer yoke 7, the bar 1 of exerting oneself.Outer yoke 7 is a hollow cylinder, and outer yoke 7 is clamped by upper and lower end cap 2,6, and moving unshakable in one's determination 3 place cylindrical yoke 7 central authorities, and moving 3 center fixation unshakable in one's determination are equipped with the bar 1 of exerting oneself.Permanent magnet 4 is installed in that servo-actuated iron core 3 moves on moving unshakable in one's determination 3, and permanent magnet 4 has polylith, and polylith permanent magnet 4 is positioned at a plane and radially is symmetry shape around moving unshakable in one's determination 3, forms many magnetic poles, and as two utmost points, four utmost points, sextupole etc., present embodiment is two utmost points.Between hollow cylinder yoke 7 and moving unshakable in one's determination 3 closing coil 8, combined floodgate fixed core 9, first switching winding 10, separating brake fixed core 11, second switching winding 12 are housed successively from top to bottom, coil 8,10,12 is wound on the skeleton.First switching winding 10 and second switching winding, 12 numbers of turn are unequal, and first switching winding 10 and second switching winding 12 are connected in series.Moving unshakable in one's determination 3 height are greater than closing coil 8 and combined floodgate fixed core 9 the two height sum, and less than closing coil 8, combined floodgate fixed core 9, first switching winding, 10 threes height sum, and moving 3 height unshakable in one's determination are greater than half of outer yoke 7 height.Permanent magnet 4 lower surfaces are not less than second switching winding, 12 height to the distance of moving 3 lower surfaces unshakable in one's determination, the height that is contained in permanent magnet 4 upper surfaces in moving unshakable in one's determination 3 is less than first switching winding 10, separating brake fixed core 11, second switching winding, 12 threes height sum, and permanent magnet 4 height are greater than separating brake fixed core 11 height.Make the permanent magnet 4 that is installed on moving unshakable in one's determination 3 match like this with combined floodgate fixed core 9 and separating brake fixed core 11.
Referring to Fig. 2, when circuit breaker is in the combined floodgate holding position, distribute as shown in the figure by the excitatory separately magnetic line of force that produces of permanent magnet 4.Operating mechanism provides closing retention force to realize the stable maintenance of "on" position by the magnetic circuit that upper end cover 2, permanent magnet 4, moving iron core 3, combined floodgate fixed core 9 and air gap 5 are formed when closing position.
Referring to Fig. 3, when circuit breaker is in the separating brake holding position, distribute as shown in the figure by the excitatory separately magnetic line of force that produces of permanent magnet 4.Operating mechanism provides the separating brake confining force to realize the stable maintenance of gate-dividing state by the main magnetic circuit that bottom end cover 6, permanent magnet 4, moving iron core 3, separating brake fixed core 11 and air gap 5 are formed when the separating brake position.Because switching winding is divided into first switching winding 10 and second switching winding 12 by separating brake fixed core 11, the magnetic shunt that constitutes between separating brake fixed core 11, air gap 5, permanent magnet 4, moving iron core 3 and combined floodgate fixed core 9 forms the magnetic force that upwards closes a floodgate, the separating brake confining force is greater than the magnetic force that upwards closes a floodgate, thus the stable maintenance of realization gate-dividing state.Because the separating brake confining force is more much smaller than closing retention force usually, this magnetic shunt structure both can reduce the separating brake confining force effectively, more the high magnetic energy that helps impelling permanent magnet 4 to be provided effectively be converted into the kinetic energy of closing operation, thereby reduce the combined floodgate power consumption.Separating brake fixed core 11 cooperates with dynamic permanent magnet 4, can be easier to reach the purpose that improves opening velocity.
Magnetic structure of the present invention is particularly suitable for the situation of electric pressure height, stroke moving unshakable in one's determination long (greater than 4cm), it is more excellent to make 40.5kV electric pressure vacuum circuit-breaker join the performance of permanent magnet mechanism, the vacuum of 72.5kV electric pressure is opened circuit join permanent magnet mechanism to realize easily.
Claims (5)
1. dynamic three coil type double-steady permanent magnetic operating mechanism, comprise moving unshakable in one's determination, permanent magnet, switching winding, closing coil, the separating brake fixed core, the combined floodgate fixed core, upper end cover, bottom end cover, outer yoke, the bar of exerting oneself, it is characterized in that: outer yoke is a hollow cylinder, outer yoke is by last, bottom end cover is clamped, moving iron core places cylindrical yoke central authorities, moving center fixation unshakable in one's determination is equipped with the bar of exerting oneself, permanent magnet is installed in the moving servo-actuated iron core of going up unshakable in one's determination and moves, closing coil is housed between hollow cylinder yoke and moving iron core from top to bottom successively, the combined floodgate fixed core, first switching winding, the separating brake fixed core, second switching winding, coil winding is on skeleton, and first switching winding and second switching winding are connected in series.
2. dynamic three coil type double-steady permanent magnetic operating mechanism according to claim 1, it is characterized in that: permanent magnet has polylith, and the polylith permanent magnet is in a plane and radially be symmetry shape.
3. dynamic three coil type double-steady permanent magnetic operating mechanism according to claim 1 and 2, it is characterized in that: the permanent magnet lower surface is not less than the second switching winding height to the distance of moving lower surface unshakable in one's determination, the height that is contained in the permanent magnet upper surface in the moving iron core is less than first switching winding, separating brake fixed core, second switching winding three height sum, and the permanent magnet height is greater than separating brake fixed core height.
4. dynamic three coil type double-steady permanent magnetic operating mechanism according to claim 1, it is characterized in that: moving height unshakable in one's determination is greater than closing coil and the two height sum of combined floodgate fixed core, less than closing coil, combined floodgate fixed core, first switching winding three height sum.
5. dynamic three coil type double-steady permanent magnetic operating mechanism according to claim 1 is characterized in that: first switching winding and the second switching winding number of turn are unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100276892A CN100468588C (en) | 2006-06-13 | 2006-06-13 | Dynamic three coil type double-steady permanent magnetic operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100276892A CN100468588C (en) | 2006-06-13 | 2006-06-13 | Dynamic three coil type double-steady permanent magnetic operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1889214A true CN1889214A (en) | 2007-01-03 |
| CN100468588C CN100468588C (en) | 2009-03-11 |
Family
ID=37578480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100276892A Expired - Fee Related CN100468588C (en) | 2006-06-13 | 2006-06-13 | Dynamic three coil type double-steady permanent magnetic operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100468588C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826402B (en) * | 2009-03-06 | 2013-01-02 | 沈阳工业大学 | Bistable permanent-magnet operating mechanism dispersedly exciting on two sides of brake opening and closing working air gaps |
| CN117650026A (en) * | 2024-01-26 | 2024-03-05 | 东升源(广东)智能电气有限公司 | Bistable permanent magnet mechanism and circuit breaker |
-
2006
- 2006-06-13 CN CNB2006100276892A patent/CN100468588C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826402B (en) * | 2009-03-06 | 2013-01-02 | 沈阳工业大学 | Bistable permanent-magnet operating mechanism dispersedly exciting on two sides of brake opening and closing working air gaps |
| CN117650026A (en) * | 2024-01-26 | 2024-03-05 | 东升源(广东)智能电气有限公司 | Bistable permanent magnet mechanism and circuit breaker |
| CN117650026B (en) * | 2024-01-26 | 2024-04-05 | 东升源(广东)智能电气有限公司 | Bistable permanent magnet mechanism and circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100468588C (en) | 2009-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201975280U (en) | Operation mechanism of linear permanent magnet motor | |
| CN104851740A (en) | Long stroke permanent magnetic actuator with auxiliary coil for high-voltage vacuum circuit breaker | |
| CN100468588C (en) | Dynamic three coil type double-steady permanent magnetic operating mechanism | |
| CN202502940U (en) | Monostable permanent magnetic mechanism | |
| CN202473642U (en) | Bistable dissymmetrical permanent magnet operating mechanism | |
| CN205081051U (en) | Long stroke high pressure monostable permanent magnet operating mechanism of external dish spring | |
| CN201444454U (en) | Long-stroke permanent magnet mechanism | |
| CN101562088B (en) | Pulse power type permanent magnet linear motor (PMLM) operating mechanism of high-voltage circuit-breaker | |
| CN201594495U (en) | Bistable permanent magnet mechanism capable of reducing switching and tripping current | |
| CN202339884U (en) | Permanent operating mechanism | |
| CN2914284Y (en) | Dynamic three-coil bistable permanent magnet operating mechanism | |
| CN2457721Y (en) | Permanent magnet control mechanism | |
| CN201503828U (en) | Electromagnetic trip | |
| CN101447365A (en) | Monostable permanent magnetism operating mechanism | |
| CN210052686U (en) | High-speed electromagnetic permanent magnet composite operating mechanism | |
| CN101320634A (en) | Monostable permanent magnet control mechanism with multiple force output air gaps | |
| CN2626038Y (en) | Dual coil bistable permanent magnet operation mechanism | |
| CN201956873U (en) | Permanent-magnet linear motor with clamping function | |
| CN2456280Y (en) | Permenant magnet operating mechanism | |
| CN2684356Y (en) | Push and pull type bistable permanent-magnet operating mechanism | |
| CN2626035Y (en) | Monostable permanent-magnetic operating mechanism having manual gate-disbranch magnetic short circuit ring equipment | |
| CN102157310B (en) | Linear permanent magnet motor operating mechanism of high-voltage circuit breaker | |
| CN101335152A (en) | Method for enhance speed of permanent magnet mechanism of vacuum circuit-breaker and permanent magnet mechanism | |
| CN2406328Y (en) | Permanent magnetic operation mechanism | |
| CN201256121Y (en) | Permanent magnet mechanism for large capacity vacuum circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090311 Termination date: 20200613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |