CN208923010U - A kind of permanent magnetic operating device - Google Patents
A kind of permanent magnetic operating device Download PDFInfo
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- CN208923010U CN208923010U CN201721900444.6U CN201721900444U CN208923010U CN 208923010 U CN208923010 U CN 208923010U CN 201721900444 U CN201721900444 U CN 201721900444U CN 208923010 U CN208923010 U CN 208923010U
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- iron core
- drive rod
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- pressure
- dynamic iron
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Abstract
The utility model discloses a kind of 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 connected it is characterized by: drive rod (1) passes through the static iron core (11) with the dynamic iron core (2), the dynamic iron core (2) can drive the drive rod (1) to move；It further include the sluice separating spring (5) for being placed on the drive rod (1) and being located in the static iron core (11), and the drive rod pressure spring (6) being located in the dynamic iron core (2)；Described drive rod pressure spring (6) one end is connected to the drive rod (1) against the drive rod pressure spring pressure regulation bolt (3) on the dynamic iron core (2), the other end；Described sluice separating spring (5) one end is connected to the dynamic iron core (2), and the other end is against the sluice separating spring pressure regulation bolt (4) on the static iron core (11).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 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 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: drive rod passes through the static iron core and is connected with the dynamic iron core, and the dynamic iron core can drive the drive rod
Movement；
Further include the sluice separating spring for being placed on the drive rod and being located in the static iron core (11), and is located at the dynamic iron
The drive rod pressure spring of in-core；Drive rod pressure spring one end is another against the drive rod pressure spring pressure regulation bolt on the dynamic iron core (2)
End is connected to the drive rod；Described sluice separating spring one end is connected to the dynamic iron core, and the other end is against point on the static iron core
Brake spring pressure regulation bolt.
Preferably, the part that the drive rod is located in dynamic iron core is provided with step surface, and the drive rod pressure spring is connected to
On the step surface, the dynamic iron core drives the drive rod (1) to move through the drive rod pressure spring.
Preferably, one end of the drive rod pressure spring passes through pressure sensor against the drive rod pressure spring in the dynamic iron core
Pressure regulation bolt；One end of drive rod pressure spring is connected to pressure sensor, and pressure sensor is connected to the drive rod in the dynamic iron core
Pressure spring pressure regulation bolt, the pressure sensor are located between drive rod pressure spring and drive rod pressure spring pressure regulation bolt.
Preferably, one end of the sluice separating spring passes through pressure sensor against the sluice separating spring pressure regulation bolt on the static iron core；
One end of sluice separating spring is connected to pressure sensor, and pressure sensor is connected to the sluice separating spring pressure regulation bolt on the static iron core, described
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 permanent magnetic operating device gate-dividing state schematic diagram that the utility model embodiment provides；
Fig. 2 is that the permanent magnetic operating device that the utility model embodiment provides mutually closes a floodgate status diagram.
In figure, 1, drive rod；2, dynamic iron core；3, drive rod pressure spring pressure regulation bolt；4, sluice separating spring pressure regulation bolt；5, sluice separating spring；6,
Drive rod pressure spring；7, permanent magnet；8, coil；9, magnetic yoke；10, cover board；11, fixed core.
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.
Permanent magnetic operating device provided by the utility model, referring to figure 1 and figure 2, comprising:
A kind of permanent magnetic operating device, static iron core (11) including fixed setting and can relatively described static iron core (11) fortune
Dynamic dynamic iron core (2), it is characterised in that: drive rod (1) passes through the static iron core (11) and is connected with the dynamic iron core (2), described
Dynamic iron core (2) can drive the drive rod (1) to move；
Further include the sluice separating spring (5) for being placed on the drive rod (1) and being located in the static iron core (11), and is located at institute
State the drive rod pressure spring (6) in dynamic iron core (2)；Described drive rod pressure spring (6) one end is against the driving on the dynamic iron core (2)
Bar pressure spring pressure regulation bolt (3), the other end are connected to the drive rod (1)；Described sluice separating spring (5) one end is connected to the dynamic iron core
(2), the other end is against the sluice separating spring pressure regulation bolt (4) on the static iron core (11).
In the present embodiment, described drive rod pressure spring (6) one end is against the drive rod pressure spring pressure regulation on the dynamic iron core (2)
Bolt (3), comprising: drive rod pressure spring (6) one end is directly connected to the drive rod pressure spring pressure regulation bolt (3) on the dynamic iron core (2)；
Or
Drive rod pressure spring (6) one end is directly connected to pressure sensor, and pressure sensor is connected to the dynamic iron core (2)
On drive rod pressure spring pressure regulation bolt (3).
Wherein, the pressure sensor (being not shown in Fig. 1 and Fig. 2) be disc-shaped or be intermediate aperture flat annulus
Shape.
The output of the pressure sensor is sent to permanent-magnet manipulating mechanism control module, permanent-magnet manipulating mechanism control module according to
The pressure value of pressure sensor output carries out following at least one processing operation:
Judge whether the permanent-magnet manipulating mechanism output pressure under "on" position meets according to the size that pressure sensor exports
Stablize the requirement closed a floodgate；
According to the dynamic institute position of the size estimation drive rod (1) of pressure sensor output；
According to the opening velocity of the size estimation drive rod (1) of pressure sensor output；And
According to the driving current or current pulse width of size adjustment coil (8) of pressure sensor output.
Specifically, the drive rod (1) is located at the part in dynamic iron core (2) and is provided with step surface, the drive rod pressure spring
(6) it is connected on the step surface, the dynamic iron core (2) drives the drive rod (1) to move through the drive rod pressure spring (6).
Wherein, the drive rod pressure spring (6) is used to generate the closing pressure to contacts for vacuum-break switches, and adjustment to true
The actuating length of empty contact of breaker.
The dynamic iron core (2) drives the drive rod (1) to move through the drive rod pressure spring (6), specifically, Ke Yitong
Adjustment of the position realization of adjustment drive rod pressure spring pressure regulation bolt (3) to the pressure of drive rod pressure spring (6) is crossed, to realize to driving
The adjustment of bar (1) move distance or the closing pressure to contacts for vacuum-break switches.
Specifically, one end of the drive rod pressure spring (6) passes through pressure sensor against the drive on the dynamic iron core (3)
Lever pressure spring pressure regulation bolt (3)；One end of drive rod pressure spring (6) is connected to pressure sensor, and pressure sensor is connected to described dynamic
Drive rod pressure spring pressure regulation bolt (3) on iron core (2), the pressure sensor are located at drive rod pressure spring (6) and drive rod pressure spring tune
It presses between bolt (3).
Wherein, the pressure sensor between drive rod pressure spring (6) and drive rod pressure spring pressure regulation bolt (3), for drive
The extract real-time of lever pressure spring pressure, so as to realize the drive rod pressure spring (6) produced, in installation process using the pressure
Pressure debugging, and can use the consistency inspection that drive rod pressure spring (6) pressure realizes splitting or integrating lock movement in the course of work
It surveys and controls.
Specifically, one end of the sluice separating spring (5) passes through pressure sensor against the separating brake on the static iron core (11)
Spring pressure regulation bolt (4)；One end of sluice separating spring (5) is connected to pressure sensor, and pressure sensor is connected to the static iron core (11)
On sluice separating spring pressure regulation bolt (4), the pressure sensor is located between sluice separating spring (5) and sluice separating spring pressure regulation bolt (4).
Wherein, the pressure sensor between sluice separating spring (5) and sluice separating spring pressure regulation bolt (4), for sluice separating spring pressure
Extract real-time, to realize the pressure debugging of production, sluice separating spring (5) in installation process, and can use the separating brake
Spring (5) pressure realizes the consistency detection and control of splitting or integrating lock movement in the course of work.
The permanent magnetic operating device that the present embodiment provides, further include be placed on the static iron core (11) periphery magnetic yoke (9) and
The coil (8) being 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) is pushed during moving down and driven
Lever (1) is moved down and is compressed to sluice separating spring (5), while drive rod pressure spring (6) is in the anti-work of contacts for vacuum-break switches
It is also compressed under；In order to keep stable "on" position, the magnetic force of magnetic force and permanent magnet (7) generation that coil (8) generates
Resultant force is greater than the resultant forces of sluice separating spring (5) Yu drive rod pressure spring (6), also, after coil (8) power off, and permanent magnet (7) is to being in
The magnetic force that dynamic iron core (2) on closing position generates is greater than the resultant force of sluice separating spring (5) Yu 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 drive rod pressure spring (6), therefore, the dynamic iron core being on closing position
(2) mobile to open position under the force action of sluice separating spring (5) and drive rod pressure spring (6).
The exciting current of the second direction is contrary with the first direction exciting current.
The permanent magnetic operating device that the present embodiment provides, wherein the middle part of the dynamic iron core (2) is provided with around axis of movement
Bilateral stepped hole, the drive rod (1) pass through the aperture of the bilateral stepped hole, and one end of the sluice separating spring (5) is set to institute
It states in the downside macropore in bilateral stepped hole and is abutted with the step surface of the stepped hole.
The permanent magnetic operating device that the present embodiment provides, wherein the middle part of the dynamic iron core (2) is provided with around axis of movement
Bilateral stepped hole, the drive rod (1) pass through the aperture of the bilateral stepped hole, are provided with step surface on the drive rod (1),
The drive rod pressure spring (6) is connected on the step surface, and the dynamic iron core drives the driving through the drive rod pressure spring (6)
Bar (1) movement.
The aperture of the bilateral stepped hole is the common aperture of two sides macropore, and drive rod (1) passes through the common aperture and in upside
Macropore in be connected with platform interface.
The permanent magnetic operating device that the present embodiment provides further includes permanent magnet (7), and the permanent magnet (7) is set to described dynamic
Between iron core (2) and the magnetic yoke (9).
The permanent magnet is for making dynamic iron core be maintained at closing position.
The permanent magnetic operating device that the present embodiment provides, wherein the drive rod (1) is pierced by the part of the static iron core (11)
Upper setting limited position mechanism.
In reciprocating motion of the position limiting structure for being opened a sluice gate, being closed a floodgate in drive rod (1), axis of movement and dynamic iron
The axis of movement of core (2) coincides or biased error is less than reservation value.
The permanent magnetic operating device that the present embodiment provides, wherein the drive rod (1) is pierced by the part of the static iron core (11)
On be provided with position measuring mechanism.
The position measuring mechanism, including photoelectric sensor, for measuring the dynamic position and static state of the drive rod (1)
Position.
Fig. 1 and cover board shown in Fig. 2 (10), for fixing the mobile axis of magnetic yoke (9) and fixed dynamic iron core (2).
Permanent magnetic operating device provided by the utility model, by being respectively implanted drive rod pressure spring in dynamic iron core and fixed core
And sluice separating spring, the outer dimension of permanent magnet mechanism is reduced, further, by one end of drive rod pressure spring and/or sluice separating spring
One end be arranged pressure sensor, the extract real-time to drive rod pressure spring and/or sluice separating spring pressure is realized, so as to utilize
The pressure realizes the spring pressure debugging produced, in installation process, and can use the pressure and realize in the course of work
The consistency detection and control of splitting or integrating lock movement.
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 (9)
1. a kind of permanent magnetic operating device, static iron core (11) including fixed setting and can relatively described static iron core (11) movement
Dynamic iron core (2), it is characterised in that: drive rod (1) passes through the static iron core (11) and is connected with the dynamic iron core (2), the dynamic iron
Core (2) can drive the drive rod (1) to move；
Further include the sluice separating spring (5) for being placed on the drive rod (1) and being located in the static iron core (11), and is located at described dynamic
Drive rod pressure spring (6) in iron core (2)；Described drive rod pressure spring (6) one end is against the drive rod pressure on the dynamic iron core (2)
Spring pressure regulation bolt (3), the other end are connected to the drive rod (1)；Described sluice separating spring (5) one end is connected to the dynamic iron core (2), separately
One end is against the sluice separating spring pressure regulation bolt (4) on the static iron core (11).
2. permanent magnetic operating device according to claim 1, it is characterised in that: the drive rod (1) is located at dynamic iron core (2)
Interior part is provided with step surface, and the drive rod pressure spring (6) is connected on the step surface, described in dynamic iron core (2) warp
Drive rod pressure spring (6) drives drive rod (1) movement.
3. permanent magnetic operating device according to claim 1, it is characterised in that: one end of the drive rod pressure spring (6) passes through
Pressure sensor is against the drive rod pressure spring pressure regulation bolt (3) on the dynamic iron core (2)；One end of drive rod pressure spring (6) is connected to
Pressure sensor, pressure sensor are connected to the drive rod pressure spring pressure regulation bolt (3) on the dynamic iron core (2), the pressure sensing
Device is located between drive rod pressure spring (6) and drive rod pressure spring pressure regulation bolt (3).
4. permanent magnetic operating device according to claim 1, it is characterised in that: one end of the sluice separating spring (5) passes through pressure
Sensor is against the sluice separating spring pressure regulation bolt (4) on the static iron core (11)；One end of sluice separating spring (5) is connected to pressure sensing
Device, pressure sensor are connected to the sluice separating spring pressure regulation bolt (4) on the static iron core (11), and the pressure sensor is located at separating brake
Between spring (5) and sluice separating spring pressure regulation bolt (4).
5. permanent magnetic operating device according to any one of claims 1 to 4, it is characterised in that: further include being placed on the quiet iron
The magnetic yoke (9) of core (11) periphery and the coil (8) being fixed in the magnetic yoke (9).
6. permanent magnetic operating device according to any one of claims 1 to 4, it is characterised in that: the middle part of the dynamic iron core (2)
Bilateral stepped hole is provided with around axis of movement, the drive rod (1) passes through the aperture of the bilateral stepped hole, the sluice separating spring
(5) it is abutted in the downside macropore that one end is set in the bilateral stepped hole and with the step surface of the stepped hole.
7. permanent magnetic operating device according to claim 6, it is characterised in that: the middle part of the dynamic iron core (2) is along kinematic axis
Bilateral stepped hole is provided with around line, the drive rod (1) passes through the aperture of the bilateral stepped hole, sets on the drive rod (1)
It is equipped with step surface, the drive rod pressure spring (6) is connected on the step surface, and the dynamic iron core is through the drive rod pressure spring (6)
The drive rod (1) is driven to move.
8. permanent magnetic operating device according to claim 5, it is characterised in that: further include permanent magnet (7), the permanent magnet
(7) it is set between the dynamic iron core (2) and the magnetic yoke (9).
9. permanent magnetic operating device according to any one of claims 1 to 4, it is characterised in that: the drive rod (1) is pierced by institute
It states and limited position mechanism is set on the part of static iron core (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900444.6U CN208923010U (en) | 2017-12-29 | 2017-12-29 | A kind of permanent magnetic operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900444.6U CN208923010U (en) | 2017-12-29 | 2017-12-29 | A kind of permanent magnetic operating device |
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| Publication Number | Publication Date |
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| CN208923010U true CN208923010U (en) | 2019-05-31 |
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| CN201721900444.6U Active CN208923010U (en) | 2017-12-29 | 2017-12-29 | A kind of permanent magnetic operating device |
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| CN (1) | CN208923010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113496829A (en) * | 2021-04-20 | 2021-10-12 | 河南平高通用电气有限公司 | Integrated permanent magnet mechanism with built-in overtravel spring |
-
2017
- 2017-12-29 CN CN201721900444.6U patent/CN208923010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113496829A (en) * | 2021-04-20 | 2021-10-12 | 河南平高通用电气有限公司 | Integrated permanent magnet mechanism with built-in overtravel spring |
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