CN208922925U - A kind of breaker permanent magnetic operating device - Google Patents
A kind of breaker permanent magnetic operating device Download PDFInfo
- Publication number
- CN208922925U CN208922925U CN201721908958.6U CN201721908958U CN208922925U CN 208922925 U CN208922925 U CN 208922925U CN 201721908958 U CN201721908958 U CN 201721908958U CN 208922925 U CN208922925 U CN 208922925U
- Authority
- CN
- China
- Prior art keywords
- iron core
- drive rod
- dynamic iron
- spring
- contact
- 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.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a kind of breaker breaker permanent magnetic operating devices, the device include fixed setting static iron core (11) and can the static iron core (11) movement relatively dynamic iron core (2), it is located at it is characterized by: separating brake drive rod (15) passes through bottom and leads to the mesoporous of recessed cup (3) in dynamic iron core (2) and be connected with the dynamic iron core (2), be placed on the separating brake drive rod (15) and be at least partially disposed at the sluice separating spring (5) led in recessed cup (3) in described one end be connected in lead to the bottom surfaces of recessed cup (3), the other end is against sluice separating spring pressure regulation bolt (16), the power of sluice separating spring (5) against sluice separating spring pressure regulation bolt (16) pulls dynamic iron core (2) to move by separating brake drive rod (15).It is simple for structure, it is easy to accomplish intelligent measurement and control.
Description
Technical field
The utility model relates to electric switch technical field more particularly to a kind of breaker permanent magnetic operating devices.
Background technique
Relative to traditional breaker operation mechanism, permanent magnet mechanism amount of parts is few, and structure is simple, mechanical life length,
Reliability of Microprocessor is high, movement discreteness is small, is suitble to the requirement of intelligent power network.
Permanent magnet mechanism is mainly divided into monostable and bistable state, unicoil and twin coil, circle and rectangular, each between them
Have respective advantage by oneself.
Bistable-state permanent magnet mechanism refers to that being all made of permanent magnet at combined floodgate end, separating brake end keeps, the movement of switching on and off
It is to be powered that dynamic iron core is driven to complete respectively by two magnetizing coils；Monostable permanent magnetic mechanism refers to using at combined floodgate end
Permanent magnet is kept, and then spring is used to keep at separating brake end, and feed motion is to be powered to driving dynamic iron core by combined floodgate magnetizing coil
To complete, while spring energy-storage is kept to separating brake during combined floodgate, separating brake movement is to keep spring complete by release separating brake
At.
Bistable advantage: under similarity condition, the value at bistable-state permanent magnet mechanism switching current peak is smaller, for control unit
For point, electric current is smaller, it is meant that control is more simple and reliable, and the probability of controller damage is also smaller.In addition, division brake current compared with
Small, discharge capacity does not have to too big, the general reclosing that breaker can be realized with the electrolytic capacitor of ten thousand microfarad of 100V/10
Operation；Bistable disadvantage: being based on bistable design principle, and the just-off speed of bistable-state permanent magnet mechanism is equal lower than standard-sized sheet anomaly
Speed, but special designing is relied on by my company, separating brake can be accelerated and reduce switch off oscillation.
Monostable advantage: since the separating brake movement of Monostable permanent magnetic mechanism is completed by tripping spring, point
The just-off speed and average mark lock speed of lock are better than bistable-state permanent magnet mechanism, and the separating brake inverse characteristic curve with breaker can be preferably
Matching；Monostable disadvantage: same since Monostable permanent magnetic mechanism will keep spring energy-storage to separating brake simultaneously when closing a floodgate
Under the conditions of, switching current peak value is more much larger than bistable-state permanent magnet mechanism, and springing is larger when separating brake.
Combined floodgate holding is carried out using permanent magnet in existing Monostable permanent magnetic mechanism, carries out sub-switching operation using sluice separating spring, and
And brake spring and contact pressure spring are placed in outside permanent magnet mechanism, this structural volume is larger and opening characteristic is not very good.
It is entitled " a kind of Monostable permanent magnetic mechanism and vacuum circuit breaker " application No. is CN201520758039.X
Utility model disclose a kind of Monostable permanent magnetic mechanism and vacuum circuit breaker, be related to electric switch technical field.Monostable is forever
Magnetic mechanism include fixed setting static iron core and can static iron core movement relatively dynamic iron core, the contact of vacuum circuit breaker draws
Bar passes through the static iron core and the dynamic iron core, and the dynamic iron core can drive the contact pull rod to move；Further include be placed on it is described
Contact pressure spring and sluice separating spring on contact pull rod and in the static iron core and the dynamic iron core, contact pressure spring one end is supported
It is connected to the dynamic iron core, the other end is connected to the contact pull rod；Described sluice separating spring one end is connected to the dynamic iron core, the other end
It is connected to the static iron core.The vacuum circuit breaker with above-mentioned Monostable permanent magnetic mechanism is proposed simultaneously.The invention is used contact
Pressure spring and sluice separating spring be arranged at it is in-house, and sluice separating spring (19) be placed on the structure of the contact pressure spring (20) outside come it is real
Existing compact-sized and improvement opening characteristic.
Application No. is CN201620258810.1, the reality of entitled " a kind of vacuum circuit breaker with permanent magnet mechanism "
A kind of vacuum circuit breaker with permanent magnet mechanism, including mounting plate are disclosed with novel, the center of mounting plate is vertically installed with master
Axis installs insulated pull rod and connecting rod on main shaft, is installing spring between convex shoulder under connecting rod outside cylinder and insulated pull rod, installs
The upper surface of plate is evenly distributed there are four cylindrical permanent magnet, and permanent magnet is provided circumferentially about static iron core, sets in static iron core
It is equipped with electromagnetic coil, is provided with dynamic iron core on static iron core.The invention is in-house using sluice separating spring to be arranged at, but does not have
Consider the setting of contact pressure spring.
In the prior art, although the in-house space that can reduce permanent magnet mechanism is arranged in contact pressure spring and sluice separating spring
It occupies, but there are the pressure of contact pressure spring and sluice separating spring to be difficult to the shortcomings that adjusting, to influence the combined floodgate stability of breaker
With separating brake performance, also, existing structure lacks the pressure sensing capability to contact pressure spring and sluice separating spring, can not achieve production, peace
Pressure debugging during dress can not achieve the consistency control that splitting or integrating lock acts in the course of work.
In view of the above-mentioned problems, needing to provide a kind of new permanent magnet mechanism, to overcome, volume existing in the prior art is big, touches
Head pressure spring pressure is difficult to adjust, sluice separating spring pressure is difficult to adjust, combined floodgate stability is difficult to real-time detection and separating brake performance is difficult to reality
When detect at least one of these disadvantages.It is simple for structure, it is easy to accomplish intelligent measurement and control.
Summary of the invention
The purpose of this utility model is that proposing a kind of compact-sized, simple permanent magnet mechanism, overcomes and deposit in the prior art
Volume is big, contact pressure spring pressure is difficult to adjust, sluice separating spring pressure is difficult to adjust, combined floodgate stability is difficult to real-time detection and point
Lock performance is difficult at least one of real-time detection these disadvantages.
For this purpose, the utility model uses following technical scheme:
A kind of breaker permanent magnetic operating device, static iron core including fixed setting and can the relatively described static iron core movement
Dynamic iron core, it is characterised in that:
Separating brake drive rod, which passes through bottom and is located at, to be led to the mesoporous of recessed cup and is connected with the dynamic iron core in dynamic iron core, be placed on
On the separating brake drive rod and be at least partially disposed at the sluice separating spring led in recessed cup in described one end be connected in lead to the bottom of recessed cup
Face, the other end pull dynamic iron core by separating brake drive rod against sluice separating spring pressure regulation bolt, the power of sluice separating spring against sluice separating spring pressure regulation bolt
Movement；
Contact drive rod passes through contact drive rod limited block and is connected with the dynamic iron core, the contact being placed on contact drive rod
Against the contact surface in the dynamic iron core, the other end is connected to the driving of the contact on the contact drive rod for drive rod pressure spring one end
Bar pressure spring pressure regulation bolt, the dynamic iron core drive the contact drive rod movement by contact drive rod pressure spring.
Preferably, the contact drive rod can be in the contact drive rod buffer gap being arranged in dynamic iron core to dynamic iron core
Internal direction is mobile, and contact drive rod may be implemented to the movement of dynamic iron core internal direction to contacts for vacuum-break switches pressure and stroke
Adjustment.
Preferably, the contact drive rod pressure spring, one end pass through pressure sensor against the contact in the dynamic iron core
Face；One end of contact drive rod pressure spring is connected to pressure sensor, and pressure sensor is connected to the contact in the dynamic iron core
Face, the pressure sensor are located between the contact surface on contact drive rod pressure spring and dynamic iron core.
Preferably, the sluice separating spring, one end pass through sluice separating spring pressure sensor against the sluice separating spring pressure regulation bolt；Separating brake
One end of spring is connected to sluice separating spring pressure sensor, and sluice separating spring pressure sensor is connected to sluice separating spring pressure regulation bolt, the sluice separating spring
Pressure sensor is located between sluice separating spring and sluice separating spring pressure regulation bolt.
Device provided by the utility model, overcomes that volume existing in the prior art is big, contact pressure spring pressure is difficult to adjust
Whole, sluice separating spring pressure is difficult to adjust, combined floodgate stability is difficult to real-time detection and separating brake performance is difficult in these disadvantages of real-time detection
At least one.It is simple for structure, it is easy to accomplish intelligent measurement and control.
Other features and advantages of the utility model will illustrate in the following description.
Detailed description of the invention
Fig. 1 is the breaker permanent magnetic operating device gate-dividing state schematic diagram that the utility model embodiment provides.
In figure, 1, contact drive rod；2, dynamic iron core；3, lead to recessed cup in；4, contact drive rod pressure spring pressure regulation bolt；5, separating brake
Spring；6, contact drive rod pressure spring；7, permanent magnet；8, coil；9, magnetic yoke；10, cover board；11, fixed core；12, separating brake drive rod connects
Connect block；13, contact drive rod buffer gap；14, contact drive rod limited block；15, separating brake drive rod；16, sluice separating spring pressure regulation bolt；
17, sluice separating spring pressure sensor.
Embodiment
Installation practice provided by the utility model, can overcome that volume existing in the prior art is big, contact pressure spring pressure
Power is difficult to adjust, sluice separating spring pressure is difficult to adjust, combined floodgate stability is difficult to real-time detection and separating brake performance be difficult to real-time detection this
At least one of a little disadvantages.It is simple for structure, it is easy to accomplish intelligent measurement and control.
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
A kind of breaker permanent magnetic operating Installation practice provided by the utility model, referring to Fig. 1, comprising:
The static iron core (11) of fixed setting and can the static iron core (11) movement relatively dynamic iron core (2), feature exists
In:
Separating brake drive rod (15) passes through bottom and is located at the mesoporous for leading to recessed cup (3) in dynamic iron core (2) and the dynamic iron core
(2) it is connected, be placed on the separating brake drive rod (15) and is at least partially disposed at the sluice separating spring (5) led in recessed cup (3) in described
One end be connected in lead to the bottom surfaces of recessed cup (3), the other end is against sluice separating spring pressure regulation bolt (16), and sluice separating spring (5) is against sluice separating spring
The power of pressure regulation bolt (16) pulls dynamic iron core (2) movement by separating brake drive rod (15)；
Contact drive rod (1) passes through contact drive rod limited block (14) and is connected with the dynamic iron core (2), is placed on contact driving
Against the contact surface on the dynamic iron core (2), the other end is connected to the touching for contact drive rod pressure spring (6) one end on bar (1)
Contact drive rod pressure spring pressure regulation bolt (4) on head drive rod (1), the dynamic iron core (2) drive by contact drive rod pressure spring (6)
Contact drive rod (1) movement.
In the present embodiment, the contact drive rod pressure spring (6) one end is against the contact surface on the dynamic iron core (2), comprising:
Contact drive rod pressure spring (6) one end is directly connected to the contact surface on the dynamic iron core (2)；Or
Contact drive rod pressure spring (6) one end is directly connected to pressure sensor (being not shown in Fig. 1), and pressure sensor
The contact surface being connected on the dynamic iron core (2).
In the present embodiment, one end of the sluice separating spring (5) be connected in lead to the bottom surfaces of recessed cup (3), the other end is against separating brake
Spring pressure regulation bolt (16), comprising:
Sluice separating spring (5) other end is directly connected to the sluice separating spring pressure regulation bolt (16)；Or
Sluice separating spring (5) other end is directly connected to sluice separating spring pressure sensor (17), and sluice separating spring pressure sensor (17)
It is connected to the sluice separating spring pressure regulation bolt (16).
Wherein, the sluice separating spring pressure sensor (17) be disc-shaped or be intermediate aperture flat annulus shape.
The output of the sluice separating spring pressure sensor (17) is sent to permanent-magnet manipulating mechanism control module, permanent-magnet manipulating mechanism control
Molding root tuber carries out following at least one processing operation according to the pressure value that sluice separating spring pressure sensor (17) exports:
The output pressure of the permanent-magnet manipulating mechanism under "on" position is judged according to the size that sluice separating spring pressure sensor (17) export
Whether power meets the requirement for stablizing combined floodgate；
According to the dynamic institute position of the size estimation separating brake drive rod (15) of sluice separating spring pressure sensor (17) output；
The size estimation opening velocity exported according to sluice separating spring pressure sensor (17)；And
It is wide according to the driving current of size adjustment coil (8) of sluice separating spring pressure sensor (17) output or current impulse
Degree.
Specifically, the contact drive rod (1) can be in the contact drive rod buffer gap (13) being arranged in dynamic iron core (2)
Interior mobile to dynamic iron core (2) internal direction, contact drive rod (1) may be implemented to the movement of dynamic iron core (2) internal direction to vacuum
The adjustment of contact of breaker pressure and stroke.
Wherein, the contact drive rod (1) generates the combined floodgate to contacts for vacuum-break switches by contact drive rod pressure spring (6)
Pressure, and by contact drive rod pressure spring (6) adjustment to the actuating length of contacts for vacuum-break switches.
It is possible to further realize by adjusting the position of contact drive rod pressure spring pressure regulation bolt (4) to contact drive rod pressure
The adjustment of the pressure of spring (6), to realize to contact drive rod (1) move distance or to the closing pressure of contacts for vacuum-break switches
Adjustment.
Specifically, the contact drive rod pressure spring (6), one end is by pressure sensor against on the dynamic iron core (2)
Contact surface；One end of contact drive rod pressure spring (6) is connected to pressure sensor, and pressure sensor is connected to the dynamic iron core
(2) contact surface on, the pressure sensor are located between the contact surface on contact drive rod pressure spring (6) and dynamic iron core (2).
Wherein, the pressure sensor being located between the contact surface on contact drive rod pressure spring (6) and dynamic iron core (2), is used for
To the extract real-time of contact drive rod pressure spring pressure, so as to realize the contact produced, in installation process using the pressure
Drive rod pressure spring (6) pressure debugging, and can use and closed in contact drive rod pressure spring (6) the pressure realization course of work,
The consistency detection and control of separating brake movement.
Specifically, the sluice separating spring (5), one end pass through sluice separating spring pressure sensor (17) against the sluice separating spring tune
It presses bolt (16)；One end of sluice separating spring (5) is connected to sluice separating spring pressure sensor (17), and sluice separating spring pressure sensor (17) abuts
In sluice separating spring pressure regulation bolt (16), the sluice separating spring pressure sensor (17) be located at sluice separating spring (5) and sluice separating spring pressure regulation bolt (16) it
Between.
Wherein, the sluice separating spring pressure sensor (17) between sluice separating spring (5) and sluice separating spring pressure regulation bolt (16), for pair
The extract real-time of sluice separating spring pressure, to realize the pressure debugging of production, sluice separating spring (5) in installation process, and can benefit
The consistency detection and control of splitting or integrating lock movement in the course of work are realized with the sluice separating spring (5) pressure.
The breaker that the present embodiment provides permanent magnetic operating device further includes the magnetic yoke for being placed on the static iron core (11) periphery
(9) and the coil (8) that is fixed in the magnetic yoke (9).
Under gate-dividing state, when to coil (8) input first direction exciting current when, coil (8) generate magnetic force with
The magnetic force that permanent magnet (7) generates pushes dynamic iron core (2) to move down jointly, and dynamic iron core (2) passes through touching during moving down
Head drive rod pressure spring (6) pushes contact drive rod (1) to move down and compress to sluice separating spring (5), contact drive rod pressure spring
(6) it is also compressed under the reaction of contacts for vacuum-break switches；In order to keep stable "on" position, the magnetic that coil (8) generates
The resultant force for the magnetic force that power and permanent magnet (7) generate is greater than the resultant force of sluice separating spring (5) Yu contact drive rod pressure spring (6), also,
After coil (8) power-off, the magnetic force that permanent magnet (7) generates the dynamic iron core (2) that is on closing position be greater than sluice separating spring (5) with
The resultant force of contact drive rod pressure spring (6).
Under "on" position, when to coil (8) input second direction exciting current when, coil (8) generate magnetic force with
Magnetic force that permanent magnet (7) generates on the contrary, to reduce permanent magnet (7) to the thrust of dynamic iron core (2) so that permanent magnet (7) with
The resultant force of coil (8) is less than the resultant force of sluice separating spring (5) and contact drive rod pressure spring (6), therefore, the dynamic iron being on closing position
Core (2) is mobile to open position under the force action of sluice separating spring (5) and contact drive rod pressure spring (6).
The exciting current of the second direction is contrary with the first direction exciting current.
The breaker that the present embodiment provides permanent magnetic operating device, wherein the middle part of the dynamic iron core (2) is along axis of movement
Surrounding is provided with bilateral stepped hole, and the separating brake drive rod (15) passes through bottom and is located at the bottom for leading to recessed cup (3) in dynamic iron core (2)
Portion hole is connect by the separating brake drive rod link block (12) being located in the stepped hole of upside with dynamic iron core (2).
The aperture of the bilateral stepped hole is the common aperture of two sides macropore, and the top of contact drive rod (1) is in the common aperture
Interior, contact drive rod buffer gap (13) is also disposed in the common aperture.
The breaker that the present embodiment provides permanent magnetic operating device further includes permanent magnet (7), permanent magnet (7) setting
Between the dynamic iron core (2) and the magnetic yoke (9).
The permanent magnet is for making dynamic iron core be maintained at closing position.
The breaker that the present embodiment provides permanent magnetic operating device, wherein the contact drive rod (1) is pierced by the quiet iron
Limited position mechanism is set on the part of core (11).
In the reciprocating motion that the position limiting structure is used to be opened a sluice gate in contact drive rod (1), closes a floodgate, axis of movement with
The axis of movement of dynamic iron core (2) coincides or biased error is less than reservation value.
The position measuring mechanism, including photoelectric sensor, for measure the contact drive rod (1) dynamic position and
Static position.
Cover board shown in Fig. 1 (10), for leading to recessed cup (3) in fixing magnetic yoke (9), fixing and limiting dynamic iron core (2)
Mobile axis.
Breaker provided by the utility model permanent magnetic operating device, by being respectively implanted touching in dynamic iron core and fixed core
Head drive rod pressure spring and sluice separating spring, reduce the outer dimension of permanent magnet mechanism, further, by contact drive rod pressure spring
Pressure sensor is arranged in one end and/or one end of sluice separating spring, realizes the reality to contact drive rod pressure spring and/or sluice separating spring pressure
When extract, so as to realize that production, the spring pressure in installation process are debugged, and be can use described using the pressure
Pressure realizes the consistency detection and control of splitting or integrating lock movement in the course of work.
The above, only the preferred embodiment of the utility model, not is used to limit the guarantor of the utility model
Protect range.Technical staff in any field described in the utility model is not departing from spirit disclosed by the utility model and model
Under the premise of enclosing, any modification and variation, but the protection model of the utility model can be carried out in the form and details of implementation
It encloses and is subject to the confining spectrum of appended claims.
The device that the utility model provides, overcomes that volume existing in the prior art is big, contact pressure spring pressure is difficult to adjust
Whole, sluice separating spring pressure is difficult to adjust, combined floodgate stability is difficult to real-time detection and separating brake performance is difficult in these disadvantages of real-time detection
At least one.It is simple for structure, it is easy to accomplish intelligent measurement and control.
Claims (8)
1. a kind of breaker permanent magnetic operating device, static iron core (11) including fixed setting and can the relatively described static iron core
(11) dynamic iron core (2) moved, it is characterised in that:
Separating brake drive rod (15) passes through bottom and is located at the mesoporous and the dynamic iron core (2) phase for leading to recessed cup (3) in dynamic iron core (2)
Connection, is placed on the separating brake drive rod (15) and is at least partially disposed at one end of the sluice separating spring (5) led in recessed cup (3) in described
Lead to the bottom surface of recessed cup (3) in being connected to, the other end is against sluice separating spring pressure regulation bolt (16), and sluice separating spring (5) is against sluice separating spring pressure regulation bolt
(16) power pulls dynamic iron core (2) movement by separating brake drive rod (15)；
Contact drive rod (1) passes through contact drive rod limited block (14) and is connected with the dynamic iron core (2), is placed on contact drive rod
(1) for contact drive rod pressure spring (6) one end on against the contact surface on the dynamic iron core (2), the other end is connected to the contact
Contact drive rod pressure spring pressure regulation bolt (4) on drive rod (1), the dynamic iron core (2) drive institute by contact drive rod pressure spring (6)
State contact drive rod (1) movement.
2. breaker according to claim 1 permanent magnetic operating device, it is characterised in that: the contact drive rod (1) can
It is mobile to dynamic iron core (2) internal direction in the contact drive rod buffer gap (13) being arranged in dynamic iron core (2), contact driving
The adjustment to contacts for vacuum-break switches pressure and stroke may be implemented to the movement of dynamic iron core (2) internal direction in bar (1).
3. breaker according to claim 1 permanent magnetic operating device, it is characterised in that: the contact drive rod pressure spring
(6), one end passes through pressure sensor against the contact surface on the dynamic iron core (2)；One end of contact drive rod pressure spring (6) is supported
It is connected to pressure sensor, pressure sensor is connected to the contact surface on the dynamic iron core (2), and the pressure sensor is located at touching
Between contact surface on head drive rod pressure spring (6) and dynamic iron core (2).
4. breaker according to claim 1 permanent magnetic operating device, it is characterised in that: the sluice separating spring (5), one
End passes through sluice separating spring pressure sensor (17) against the sluice separating spring pressure regulation bolt (16)；One end of sluice separating spring (5) is connected to separating brake
Spring pressure sensor (17), sluice separating spring pressure sensor (17) are connected to sluice separating spring pressure regulation bolt (16), and the sluice separating spring pressure passes
Sensor (17) is located between sluice separating spring (5) and sluice separating spring pressure regulation bolt (16).
5. breaker according to any one of claims 1 to 4 permanent magnetic operating device, it is characterised in that: further include being placed on
The magnetic yoke (9) of static iron core (11) periphery and the coil (8) being fixed in the magnetic yoke (9).
6. breaker according to any one of claims 1 to 4 permanent magnetic operating device, it is characterised in that: the dynamic iron core
(2) middle part is provided with bilateral stepped hole around axis of movement, and the separating brake drive rod (15) passes through bottom and is located at dynamic iron core (2)
The base apertures for leading to recessed cup (3) in interior pass through the separating brake drive rod link block (12) being located in the stepped hole of upside and dynamic iron core (2)
Connection.
7. breaker according to claim 5 permanent magnetic operating device, it is characterised in that: it further include permanent magnet (7), it is described
Permanent magnet (7) is set between the dynamic iron core (2) and the magnetic yoke (9).
8. breaker according to any one of claims 1 to 4 permanent magnetic operating device, it is characterised in that: the contact drives
Lever (1), which is pierced by the part of the static iron core (11), is arranged limited position mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908958.6U CN208922925U (en) | 2017-12-29 | 2017-12-29 | A kind of breaker permanent magnetic operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908958.6U CN208922925U (en) | 2017-12-29 | 2017-12-29 | A kind of breaker permanent magnetic operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208922925U true CN208922925U (en) | 2019-05-31 |
Family
ID=66691473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721908958.6U Active CN208922925U (en) | 2017-12-29 | 2017-12-29 | A kind of breaker permanent magnetic operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208922925U (en) |
-
2017
- 2017-12-29 CN CN201721908958.6U patent/CN208922925U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108400056B (en) | A kind of dc circuit breaker based on twin coil Monostable permanent magnetic mechanism | |
| CN102800506B (en) | Permanent-magnet rapid operation mechanism | |
| CN204680616U (en) | A kind of efficient arc extinguishing vacuum circuit-breaker | |
| CN105609364A (en) | High-speed switching-off vacuum switch | |
| CN105070586A (en) | Long-stroke high-voltage monostable permanent magnet operating mechanism with external disc spring | |
| CN208923010U (en) | A kind of permanent magnetic operating device | |
| CN203760367U (en) | Permanent magnetic operating mechanism for intelligent circuit breaker | |
| CN208922925U (en) | A kind of breaker permanent magnetic operating device | |
| CN201160032Y (en) | Air gap-changing magnetic circuit double coil permanent magnet control mechanism | |
| CN207587618U (en) | The switching off/on device of vacuum circuit breaker | |
| CN203481075U (en) | Permanent magnetic actuator with breaking spring | |
| CN205081051U (en) | Long stroke high pressure monostable permanent magnet operating mechanism of external dish spring | |
| CN101615524A (en) | Single phase permanent magnetic mechanism for vacuum circuit breaker | |
| CN216749788U (en) | Contact spring built-in type permanent magnetic mechanism | |
| CN201117461Y (en) | Low-voltage all-purpose air breaker manipulator device | |
| CN103474287B (en) | Two dynamic permanent-magnet manipulating mechanism unshakable in one's determination | |
| CN203103244U (en) | Novel permanent magnetic actuator | |
| CN201185167Y (en) | Magnetic flux converter | |
| CN206098279U (en) | Magnetic control formula high speed circuit -breaker | |
| CN109473310B (en) | Permanent magnet operating mechanism used in oil | |
| CN201773759U (en) | High-voltage vacuum circuit breaker | |
| CN208903955U (en) | A kind of Monostable permanent magnetism operating mechanism | |
| CN202332607U (en) | Permanent magnet mechanism with double iron cores | |
| CN202650968U (en) | Permanent magnetic actuator possessing auxiliary electromagnetic loop | |
| CN103065864B (en) | Novel gas circuit breaker with real-time adjustable air pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |