CN205069503U - Monostable permanent magnetic mechanism and vacuum circuit breaker - Google Patents
Monostable permanent magnetic mechanism and vacuum circuit breaker Download PDFInfo
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- CN205069503U CN205069503U CN201520758039.XU CN201520758039U CN205069503U CN 205069503 U CN205069503 U CN 205069503U CN 201520758039 U CN201520758039 U CN 201520758039U CN 205069503 U CN205069503 U CN 205069503U
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Abstract
The utility model discloses a monostable permanent magnetic mechanism and vacuum circuit breaker relates to electric switch technical field. Monostable permanent magnetic mechanism is including the fixed quiet iron core that sets up and can be relative quiet iron core motion move the iron core, vacuum circuit breaker's contact pull rod passes quiet iron core with move the iron core, it can drive to move the iron core the motion of contact pull rod, still including the cover in just be located on the contact pull rod quiet iron core with move contact pressure spring and separating brake spring in the iron core, contact pressure spring one end butt in move the iron core, other end butt in the contact pull rod, separating brake spring one end butt in move the iron core, other end butt in quiet iron core. Above -mentioned monostable permanent magnetic mechanism's vacuum circuit breaker provides to have simultaneously. The utility model provides a monostable permanent magnetic mechanism adopts the mode with contact pull rod lug connection, and the contact pressure spring all sets up in -house with the separating brake spring, and the simple structure compactness, the part is small in quantity, the transmission is reliable.
Description
Technical field
The utility model relates to appliance switch technical field, particularly relates to a kind of Monostable permanent magnetic mechanism and has the vacuum circuit-breaker of this Monostable permanent magnetic mechanism.
Background technology
Vacuum circuit-breaker is as the main product of Medium voltage switch or circuit breaker, and its reliability will produce far-reaching influence to the stability of electric power system.At present, pressure vacuum circuit-breaker mechanism used is mainly spring operating mechanism.Compared to spring gas operating mechanism, permanent magnet mechanism amount of parts significantly reduces, and structure is very simple, and thus mechanical endurance is long, Reliability of Microprocessor is high, action discreteness is little, is well suited for the requirement of intelligent power network, has extraordinary application prospect.
Permanent magnet mechanism of vacuum circuit-breaker a large amount of is at present monostable configuration, and it utilizes permanent magnet to carry out combined floodgate maintenance, utilize sluice separating spring to carry out sub-switching operation, and sluice separating spring and contact stage clip is all placed in permanent magnet mechanism outside, and volume is comparatively large and opening characteristic neither be fine.
For the problems referred to above, need badly and a kind of new Monostable permanent magnetic mechanism is provided, the problem that the volume existed in prior art is large to solve, opening characteristic is poor.
Utility model content
An object of the present utility model is to propose a kind of compact conformation, the Monostable permanent magnetic mechanism that simple, transmission link is few.
Another object of the present utility model is to propose a kind of vacuum circuit-breaker adopting above-mentioned Monostable permanent magnetic mechanism, and vacuum interrupter mechanical characteristic is good.
For reaching this object, on the one hand, the utility model is by the following technical solutions:
A kind of Monostable permanent magnetic mechanism, comprise the static iron core that is fixedly installed and can the dynamic iron core of relatively described static iron core motion, the contact pull bar of vacuum circuit-breaker is through described static iron core and described dynamic iron core, and described dynamic iron core can drive described contact pull bar to move;
Also comprise and be placed on described contact pull bar and be positioned at contact stage clip and the sluice separating spring of described static iron core and described dynamic iron core, described contact stage clip one end is connected to described dynamic iron core, and the other end is connected to described contact pull bar; Described sluice separating spring one end is connected to described dynamic iron core, and the other end is connected to described static iron core.
Preferably, described contact pull bar is provided with step surface, described contact stage clip is connected on described step surface, and described dynamic iron core drives described contact pull bar to move through described contact stage clip.
Preferably, described sluice separating spring is placed on outside described contact stage clip.
Preferably, also comprise the yoke being placed on described static iron core periphery and the coil be fixed on described static iron core, described static iron core and described yoke are all fixedly installed on a fixed head be made up of non-magnet material.
Preferably, the middle part of described static iron core has shoulder hole, and described contact pull bar is successively through the aperture of described shoulder hole and macropore, and one end of described sluice separating spring to be arranged in described macropore and to abut with the step surface of described shoulder hole.
Preferably, the side described dynamic iron core deviating from described static iron core is provided with limiting plate.
Preferably, also comprise permanent magnet, described permanent magnet is arranged between described static iron core and described yoke.
Preferably, the part that described contact pull bar passes described dynamic iron core is provided with position limiting structure.
On the other hand, the utility model is by the following technical solutions:
A kind of vacuum circuit-breaker, comprises shell, is arranged at three vacuum circuit breaker body in shell and electric control unit, be provided with Monostable permanent magnetic mechanism as above in described vacuum circuit breaker body.
Preferably, described vacuum circuit breaker body also comprises pole, described pole comprises insulation shell and the static conductive rod that is arranged in described insulation shell and moving conductive rod, the fixed contact of described static conductive rod and the moving contact of described moving conductive rod all stretch into vacuum extinction indoor, and described moving conductive rod connects described contact pull bar.
The beneficial effects of the utility model are:
Monostable permanent magnetic mechanism that the utility model provides adopts the mode be directly connected with contact pull bar, and contact stage clip and sluice separating spring are all arranged on in-house, simple and compact for structure, number of spare parts is few, reliable transmission.
The vacuum circuit-breaker that the utility model provides adopts above-mentioned Monostable permanent magnetic mechanism, substantially increase the mechanical characteristic of vacuum interrupter, reduce contact pressure, the every mutually independent of circuit breaker is controlled by a permanent magnet mechanism, phase-splitting operation can be realized, reliability is strong, effectively ensure that circuit breaker point, combined floodgate kinetic characteristic, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the single-phase gate-dividing state schematic diagram of vacuum circuit-breaker that the utility model embodiment one provides;
Fig. 2 is the vacuum circuit-breaker single phase closing view that the utility model embodiment one provides;
Fig. 3 is the structural representation of the vacuum circuit-breaker that the utility model embodiment one provides.
In figure, 1, casing; 2, limiting plate; 3, dynamic iron core; 4, coil; 5, yoke; 6, permanent magnet; 7, fixed head; 8, contact pull bar; 9, lower wire end; 10, be flexible coupling; 11, moving conductive rod; 12, vacuum interrupter; 13, moving contact; 14, fixed contact; 15, static conductive rod; 16, upper outlet terminal; 17, insulation shell; 18, static iron core; 19, sluice separating spring; 20, contact stage clip; 21, shell; 22, vacuum circuit breaker body.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
The utility model provides a kind of Monostable permanent magnetic mechanism and adopts the vacuum circuit-breaker of this permanent magnet mechanism.As depicted in figs. 1 and 2, Monostable permanent magnetic mechanism comprises the static iron core 18 that is fixedly installed and can the dynamic iron core 3 that moves of static iron core 18 relatively, and the contact pull bar 8 of vacuum circuit-breaker is through static iron core 18 and dynamic iron core 3 and can move under the drive of dynamic iron core 3.Contact pull bar 8 is directly driven by dynamic iron core 3, simplifies the structure, decreases transmission link, substantially increase reliable transmission.
Further, also comprise and be placed on contact stage clip 20 on contact pull bar 8 and sluice separating spring 19, the two ends of contact stage clip 20 and sluice separating spring 19 are positioned at static iron core 18 and dynamic iron core 3 respectively, one end of contact stage clip 20 is connected to dynamic iron core 3, the other end is connected to contact pull bar 8, one end of sluice separating spring 19 is connected to dynamic iron core 3, and the other end is connected to static iron core 18.Contact stage clip 20 and sluice separating spring 19 are arranged at the inside of dynamic iron core 3 and static iron core 18, make structure more simply compact, and during separating brake, sluice separating spring 19 directly can withstand dynamic iron core 3 thus drive the moving contact 13 in vacuum interrupter 12 to carry out sub-switching operation.
Preferably, contact pull bar 8 is provided with step surface, contact stage clip 20 is connected on step surface, is compressed by contact stage clip 20 when dynamic iron core 3 moves upward, thus under the drive of contact stage clip 20, the servo-actuated iron core 3 of contact pull bar 8 moves together.
The middle part of static iron core 18 has shoulder hole, and contact pull bar 8 is successively through the aperture of shoulder hole and macropore, and one end of sluice separating spring 19 to be arranged in macropore and to abut with the step surface of shoulder hole.
Sluice separating spring 19 is placed on outside contact stage clip 20, and the position relationship of both reasonable arrangements can make compact conformation further.
Further, also comprise the yoke 5 being placed on static iron core 18 periphery and the coil 4 be fixed on static iron core 18, static iron core 18 and yoke 5 are all fixedly installed on a fixed head be made up of non-magnet material 7, preferably adopt bolt or screw to be fixed.The thickness of fixed head 7 must ensure that the leakage flux between static iron core 18 and yoke 5 is enough little.Also comprise the permanent magnet 6 be arranged between static iron core 18 and yoke 5.
In addition, the side that dynamic iron core 3 deviates from static iron core 18 is provided with limiting plate 2, and the part that contact pull bar 8 passes dynamic iron core 3 is provided with position limiting structure, and object is formed spacing to dynamic iron core 3 and contact pull bar 8.Position limiting structure is preferably nut, and it is threaded with contact pull bar 8.
As shown in Figure 3, vacuum circuit-breaker comprises shell 21, is arranged at three vacuum circuit breaker body 22 in shell 21 and electric control unit (not shown).Vacuum circuit breaker body 22 comprises above-mentioned Monostable permanent magnetic mechanism and pole.Monostable permanent magnetic mechanism is arranged in casing 1.
Pole comprises insulation shell 17 and the static conductive rod 15 that is arranged in insulation shell 17 and moving conductive rod 11, and the fixed contact 14 of static conductive rod 15 and the moving contact 13 of moving conductive rod 11 all stretch in vacuum interrupter 12, and moving conductive rod 11 connects contact pull bar 8.The two ends up and down of insulation shell 17 are respectively arranged with outlet terminal 16 and lower wire end 9, and static conductive rod 15 passes through upper outlet terminal 16, and contact pull bar 8 imports in pole through lower wire end 9 and is connected with moving conductive rod 11.Also be provided with between moving conductive rod 11 and lower wire end 9 and be flexible coupling 10.
When needs carry out closing operation, coil 4 is energized, the magnetic direction that coil 4 is formed is consistent with the magnetic direction of permanent magnet 6, under electromagnetic force, dynamic iron core 3 moves to static iron core 18 direction, and be with moving contact pull bar 8 to move, thus the moving contact 13 in vacuum interrupter 12 is driven to close a floodgate with fixed contact 14.Dynamic iron core 3 contacts rear termination with static iron core 18, coil 4 dead electricity.Now, dynamic iron core 3 is held by permanent magnet 6, thus carries out combined floodgate maintenance; In "on" position, the passive iron core 3 of sluice separating spring 19 compresses, and is sub-switching operation energy storage.
When needs carry out sub-switching operation, coil 4 is oppositely energized in short-term, and the magnetic field of formation is contrary with the magnetic direction of permanent magnet 6, thus counteracts the suction of permanent magnet 6.Like this, under sluice separating spring 19 acts on, dynamic iron core 3 moves to the direction away from static iron core 18 and is with moving contact pull bar 8, thus drives the moving contact 13 in vacuum interrupter 12 to carry out sub-switching operation, open circuit.When dynamic iron core 3 touches limiting plate 2, separating brake stops.
The vacuum circuit-breaker that the utility model provides adopts above-mentioned Monostable permanent magnetic mechanism, substantially increase the mechanical characteristic of vacuum interrupter, reduce contact pressure, the every mutually independent of circuit breaker is controlled by a permanent magnet mechanism, phase-splitting operation can be realized, reliability is strong, effectively ensure that circuit breaker point, combined floodgate kinetic characteristic, safe and reliable.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.
Claims (10)
1. a Monostable permanent magnetic mechanism, comprise the static iron core (18) that is fixedly installed and can the dynamic iron core (3) that moves of relatively described static iron core (18), it is characterized in that: the contact pull bar (8) of vacuum circuit-breaker is through described static iron core (18) and described dynamic iron core (3), and described dynamic iron core (3) can drive described contact pull bar (8) to move;
Also comprise that to be placed on described contact pull bar (8) upper and be positioned at contact stage clip (20) and the sluice separating spring (19) of described static iron core (18) and described dynamic iron core (3), described contact stage clip (20) one end is connected to described dynamic iron core (3), and the other end is connected to the motion of described contact pull bar (8); Described sluice separating spring (19) one end is connected to described dynamic iron core (3), and the other end is connected to described static iron core (18).
2. Monostable permanent magnetic mechanism according to claim 1, it is characterized in that: described contact pull bar (8) is provided with step surface, described contact stage clip (20) is connected on described step surface, and described dynamic iron core (3) drives described contact pull bar (8) to move through described contact stage clip (20).
3. Monostable permanent magnetic mechanism according to claim 2, is characterized in that: described sluice separating spring (19) is placed on described contact stage clip (20) outward.
4. the Monostable permanent magnetic mechanism according to any one of claims 1 to 3, it is characterized in that: also comprise the yoke (5) being placed on described static iron core (18) periphery and the coil (4) be fixed on described static iron core (18), described static iron core (18) and described yoke (5) are all fixedly installed on a fixed head be made up of non-magnet material (7).
5. the Monostable permanent magnetic mechanism according to any one of claims 1 to 3, it is characterized in that: the middle part of described static iron core (18) has shoulder hole, described contact pull bar (8) is successively through the aperture of described shoulder hole and macropore, and one end of described sluice separating spring (19) to be arranged in described macropore and to abut with the step surface of described shoulder hole.
6. the Monostable permanent magnetic mechanism according to any one of claims 1 to 3, is characterized in that: the side described dynamic iron core (3) being deviated from described static iron core (18) is provided with limiting plate (2).
7. the Monostable permanent magnetic mechanism according to any one of claims 1 to 3, it is characterized in that: also comprise permanent magnet (6), described permanent magnet (6) is arranged between described static iron core (18) and described yoke (5).
8. the Monostable permanent magnetic mechanism according to any one of claims 1 to 3, is characterized in that: the part that described contact pull bar (8) passes described dynamic iron core (3) is provided with position limiting structure.
9. a vacuum circuit-breaker, comprise shell (21), be arranged at three vacuum circuit breaker body (22) in shell (21) and electric control unit, it is characterized in that: in described vacuum circuit breaker body (22), be provided with the Monostable permanent magnetic mechanism as described in any one of claim 1 to 8.
10. according to the vacuum circuit-breaker that claim 9 is stated, it is characterized in that: described vacuum circuit breaker body (22) also comprises pole, described pole comprises insulation shell (17) and the static conductive rod (15) that is arranged in described insulation shell (17) and moving conductive rod (11), the fixed contact (14) of described static conductive rod (15) and the moving contact (13) of described moving conductive rod (11) all stretch in vacuum interrupter (12), and described moving conductive rod (11) connects described contact pull bar (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758039.XU CN205069503U (en) | 2015-09-28 | 2015-09-28 | Monostable permanent magnetic mechanism and vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758039.XU CN205069503U (en) | 2015-09-28 | 2015-09-28 | Monostable permanent magnetic mechanism and vacuum circuit breaker |
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| Publication Number | Publication Date |
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| CN205069503U true CN205069503U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520758039.XU Active CN205069503U (en) | 2015-09-28 | 2015-09-28 | Monostable permanent magnetic mechanism and vacuum circuit breaker |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409598A (en) * | 2016-09-22 | 2017-02-15 | 福州大学 | Wireless energy-taking operating mechanism for contact switch device |
| CN109087833A (en) * | 2018-08-31 | 2018-12-25 | 宁波耀华电气科技有限责任公司 | A kind of Monostable permanent magnetism operating mechanism |
| CN109859983A (en) * | 2018-12-29 | 2019-06-07 | 国网河南省电力公司新乡供电公司 | A kind of 10 KV hot-line work arc-extinction devices |
| CN113410090A (en) * | 2021-06-24 | 2021-09-17 | 北京京东方真空电器有限责任公司 | Vacuum relay |
| CN114078655A (en) * | 2020-08-17 | 2022-02-22 | 天津首瑞智能电气有限公司 | Load switch |
| CN116978745A (en) * | 2023-07-07 | 2023-10-31 | 浙江兴田电气有限公司 | Quick brake-separating permanent magnet mechanism and automatic assembly equipment thereof |
-
2015
- 2015-09-28 CN CN201520758039.XU patent/CN205069503U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409598A (en) * | 2016-09-22 | 2017-02-15 | 福州大学 | Wireless energy-taking operating mechanism for contact switch device |
| CN106409598B (en) * | 2016-09-22 | 2018-04-13 | 福州大学 | Contact switch electric appliance wirelessly takes can operating mechanism |
| CN109087833A (en) * | 2018-08-31 | 2018-12-25 | 宁波耀华电气科技有限责任公司 | A kind of Monostable permanent magnetism operating mechanism |
| CN109859983A (en) * | 2018-12-29 | 2019-06-07 | 国网河南省电力公司新乡供电公司 | A kind of 10 KV hot-line work arc-extinction devices |
| CN114078655A (en) * | 2020-08-17 | 2022-02-22 | 天津首瑞智能电气有限公司 | Load switch |
| CN113410090A (en) * | 2021-06-24 | 2021-09-17 | 北京京东方真空电器有限责任公司 | Vacuum relay |
| CN116978745A (en) * | 2023-07-07 | 2023-10-31 | 浙江兴田电气有限公司 | Quick brake-separating permanent magnet mechanism and automatic assembly equipment thereof |
| CN116978745B (en) * | 2023-07-07 | 2024-04-30 | 浙江兴田电气有限公司 | Automatic assembly equipment of quick brake-separating permanent magnet mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |