CN107068437B - A kind of magnetic force operating mechanism and the breaker using the magnetic force operating mechanism - Google Patents
A kind of magnetic force operating mechanism and the breaker using the magnetic force operating mechanism Download PDFInfo
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- CN107068437B CN107068437B CN201710134657.0A CN201710134657A CN107068437B CN 107068437 B CN107068437 B CN 107068437B CN 201710134657 A CN201710134657 A CN 201710134657A CN 107068437 B CN107068437 B CN 107068437B
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
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Abstract
The present invention relates to a kind of magnetic force operating mechanism and use the breaker of the magnetic force operating mechanism, magnetic force operating mechanism includes institutional framework, stator is installed on institutional framework, the mover being used cooperatively to the stator to move back and forth and then realize corresponding dynamic/static contact separating brake, closing operation along the vertical direction is additionally provided on institutional framework, it is connected with the direct acting output rod that can be moved back and forth along the vertical direction on the mover, the sluice separating spring for energy storage of closing a floodgate, separating brake release is connected on direct acting output rod.In separating brake, other than the Magnetic driving power that mover exports on magnetic force operating mechanism, the active force of sluice separating spring also output driving separating brake, the driving force of magnetic force operating mechanism output can be increased, and then opening velocity is effectively improved, moreover, when magnetic force operating mechanism powers off and clamping stagnation occurs, driving force using sluice separating spring release guarantees smooth separating brake, guarantees effective separating brake.
Description
Technical field
The present invention relates to a kind of magnetic force operating mechanism and use the breaker of the magnetic force operating mechanism.
Background technique
Power grid is a dynamical system, and supply and demand variation requires power grid each section reliable, timely in power-balance problem
Ground investment or excision.Regular circuit breakers are being closed and are being cut-off circuit moment in electric system, and system voltage and current phase are usual
Be it is random, breaker can generate width closing shunt capacitor group, reactor, no-load transformer and nonloaded line often
Value, frequency be very high to shove and overvoltage, reduces the service life of switchgear and the power supply quality of electric system.With society
The development of technology that can be economic, more stringent requirements are proposed to phased switch by people, it is desirable that makes its intelligence using microprocessing
Change, improves switching on-off property and protective capability.Power network development is exactly able to satisfy using the high-voltage AC breaker of such device
Demand with power consumer to high quality electric energy.
It is phased disconnected that a kind of high-voltage alternating is disclosed in the Chinese invention patent application that application publication number is CN103545133A
Road device, magnetic force mechanism and corresponding driving unit, driving unit including breaker body, for executing breaking-closing operating pass through
One PWM inversion unit is drivingly connected magnetic force mechanism, and PWM inversion unit is used to generate the field coil current of setting, breaker
It further include a charhing unit, one capacitor storage unit of charhing unit charging connection, capacitor storage unit connection PWM inversion list
Member further includes corresponding electric current, voltage transformer, the voltage and current phase measurement by mutual inductor to power grid, measuring signal
Be input in the control unit of convergence control cabinet, control unit handles measuring signal, by calculate, determine divide-shut brake signal with
Issue the divide-shut brake order of command adapted thereto.The structure such as Authorization Notice No. of magnetic force mechanism is in the phased breaker
Magnetic force operating mechanism disclosed in the Chinese utility model patent specification of CN201315272Y, this operating mechanism are using band
Electric coil mobile principle of stress in high-intensity magnetic field comes output driving power, including institutional framework, and institutional framework is by vertically disposed
Pillar and the fixed plate for being fixed on pillar both ends form, and are slidable in the vertical direction on institutional framework and are equipped with track-frame, track
Be fixed with power output shaft and electromagnetic coil on frame, in the opposing sidewalls of each column using it is heteropolar it is opposed by the way of arranging plate shape
Permanent magnet forms the gapped magnetic field being parallel to each other between adjacent struts, and each electromagnetic coil on track-frame is slideably positioned in phase
In two adjacent gapped magnetic fields, also, there are gap, this magnetic force operating mechanism stroke limitings between electromagnetic coil and permanent magnet
It makes less, it is possible to provide the power output of big stroke, and amount of parts is few, failure rate is low.In making process, to as mover
Electromagnetic coil be passed through switching current, move up electromagnetic coil in parallel gapped magnetic field by magnetic force, electromagnetism
Coil drive power output shaft moves up realization closing operation.During the opening process, it is passed through separating brake electric current to electromagnetic coil, made
Electromagnetic coil is moved down in parallel gapped magnetic field by magnetic force, and electromagnetic coil driving power output shaft moves down
To realize sub-switching operation.
In fact, relying primarily on the electromagnetism for acting on energization as the permanent magnet of stator in existing magnetic force operating mechanism
Separating brake driving force on coil realizes separating brake, and when there is accident power-off during separating brake, separating brake driving force disappears, it may appear that point
Brake clip is stagnant, moreover, because some breakers are such as configured with the breaker requirement quick acting switching-off of vacuum interrupter, opening velocity requirement
Height only relies on the quick acting switching-off needs that electromagnetic coil is unable to satisfy high-tension circuit-breaker, influences magnetic force operating mechanism and breaks in height
Application on the device of road.
Summary of the invention
The purpose of the present invention is to provide a kind of magnetic force operating mechanisms, are led to solving to only rely on operating mechanism in the prior art
Magnetic driving power caused by electricity realizes that separating brake causes once to occur the problem of power-off is easy to produce separating brake clamping stagnation during the opening process；
Meanwhile the present invention also provides a kind of breakers using above-mentioned magnetic force operating mechanism.
To achieve the above object, the technical solution of magnetic force operating mechanism provided by the present invention is: a kind of magnetic operating machine
Structure, including institutional framework are installed with stator on institutional framework, are additionally provided on institutional framework and are used cooperatively with the stator along upper
Lower section realizes the mover of corresponding dynamic/static contact separating brake, closing operation to moving back and forth in turn, and being connected on the mover can be along upper
Lower section is connected with the sluice separating spring for energy storage of closing a floodgate, separating brake release on direct acting output rod to the direct acting output rod of reciprocating movement.
The upper end of the direct acting output rod is power output end, and direct acting output rod is moved up to realize corresponding dynamic/static contact
Closing operation is moved down to realize that corresponding dynamic/static contact sub-switching operation, the sluice separating spring are arranged along the vertical direction, sluice separating spring
Upper end is fixing end, lower end is free end, and the free end of sluice separating spring presses against on the spring base that the direct acting output rod is equipped with.
The mover includes at least one coil block, and coil block includes electromagnetic coil, and the stator includes to correspond to
Electromagnetic coil provides the permanent magnet in parallel magnetic field gap, and the coil block includes the coil former for being wound with corresponding electromagnetic coil
Frame, there are position gaps between magazine and corresponding permanent magnet, in the upper of corresponding electromagnetic coil in parallel magnetic field gap
Side and/or downside are installed with magnetic circuit closure magnetic patch, and the magnetic circuit closure magnetic patch has for the coil former with corresponding coil block
The contact surface of frame pushing tow contact, the magnetic circuit closure magnetic patch are contacted with permanent magnet positioned opposite.
The permanent magnet be two sides plate-shaped permanent magnet positioned opposite, two sides plate-shaped permanent magnet using it is heteropolar it is opposed by the way of
Arrangement is to form the parallel magnetic field gap, and on the upside of electromagnetic coil and/or the magnetic circuit of downside is closed magnetic patch and two sides
Plate-shaped permanent magnet contact.
The technical solution of breaker provided by the present invention using above-mentioned magnetic force operating mechanism is: a kind of breaker, packet
Include the magnetic force operating mechanism that the dynamic/static contact in arc-chutes and driving arc-chutes carries out separating brake, closing operation, magnetic force operating mechanism
Including institutional framework, it is installed with stator on institutional framework, is additionally provided on institutional framework and is used cooperatively with the stator with vertically
Direction moves back and forth and then realizes the mover of corresponding dynamic/static contact separating brake, closing operation, and being connected on the mover can be vertically
The direct acting output rod that direction moves back and forth is connected with the sluice separating spring for energy storage of closing a floodgate, separating brake release on direct acting output rod.
The upper end of the direct acting output rod is power output end, and direct acting output rod is moved up to realize corresponding dynamic/static contact
Closing operation is moved down to realize that corresponding dynamic/static contact sub-switching operation, the sluice separating spring are arranged along the vertical direction, sluice separating spring
Upper end is fixing end, lower end is free end, and the free end of sluice separating spring presses against on the spring base that the direct acting output rod is equipped with.
Moving contact in the arc-chutes is sequentially connected by insulated pull rod and the direct acting output rod direct acting.
Breaker is single-pole circuit breaker.
The mover includes at least one coil block, and coil block includes electromagnetic coil, and the stator includes to correspond to
Electromagnetic coil provides the permanent magnet in parallel magnetic field gap, and the coil block includes the coil former for being wound with corresponding electromagnetic coil
Frame, there are position gaps between magazine and corresponding permanent magnet, in the upper of corresponding electromagnetic coil in parallel magnetic field gap
Side and/or downside are installed with magnetic circuit closure magnetic patch, and the magnetic circuit closure magnetic patch has for the coil former with corresponding coil block
The contact surface of frame pushing tow contact, the magnetic circuit closure magnetic patch are contacted with permanent magnet positioned opposite.
The permanent magnet be two sides plate-shaped permanent magnet positioned opposite, two sides plate-shaped permanent magnet using it is heteropolar it is opposed by the way of
Arrangement is to form the parallel magnetic field gap, and on the upside of electromagnetic coil and/or the magnetic circuit of downside is closed magnetic patch and two sides
Plate-shaped permanent magnet contact.
The beneficial effects of the present invention are: in magnetic force operating mechanism provided by the present invention, in the direct acting of magnetic force operating mechanism
The sluice separating spring discharged for energy storage of closing a floodgate, separating brake, sluice separating spring energy storage when closing a floodgate directly are set on output rod, when separating brake, discharges,
In separating brake, other than on magnetic force operating mechanism by the Magnetic driving power of mover output, the effect of sluice separating spring also output driving separating brake
Power, effectively increases the driving force of magnetic force operating mechanism output, and then the opening velocity of corresponding dynamic/static contact can be improved, and improves open circuit
Device connecting-disconnecting function, moreover, during the opening process, when magnetic force operating mechanism powers off and clamping stagnation occurs, utilizing sluice separating spring release
Driving force class guarantees smooth separating brake.Corresponding sluice separating spring directly is configured on the direct acting output rod of magnetic force operating mechanism, can be improved
The separating brake driveability of magnetic force operating mechanism guarantees the separating brake performance of breaker when by its application on-board the circuit breaker.
Further, corresponding direct acting output rod is moved up to realize combined floodgate, move down to realize separating brake, in separating brake
When, gravity is also used for separating brake, and gravity will not reduce the separating brake output effect of sluice separating spring.
Further, for using the breaker of this magnetic force operating mechanism, the moving contact in arc-chutes passes through exhausted
Edge pull rod and direct acting output rod direct acting are sequentially connected, and do not need still further to configure other extra drive mechanisms, can significantly provide magnetic
The operating work of power operating mechanism output, reduces extraneoas loss.
Further, mover includes coil block, and coil block includes electromagnetic coil, and stator includes permanent magnet, by permanent magnetism
Body forms the parallel magnetic field gap being used cooperatively with electromagnetic coil, and electromagnetic coil reciprocating movement is assemblied in parallel magnetic field gap,
Since magazine moves back and forth along the vertical direction together with electromagnetic coil, to reduce frictional resistance, magazine and corresponding permanent magnetism
There are position gap between body, which, which brings, can not form closed magnetic field so as to cause the magnetic line of force and magnetic field holding energy
Excessive problem is lost, so, it is installed with magnetic circuit in the upside of corresponding magazine and/or downside in parallel magnetic field gap and closes
Close magnetic patch, magnetic circuit, which is closed magnetic patch, has a contact surface for contact with corresponding magazine pushing tow, the magnetic circuit closure magnetic patch and
Permanent magnet positioned opposite contacts, and when magazine is contacted with magnetic circuit closure magnetic patch, magnetic circuit closure magnetic patch is used for and permanent magnetism
Body forms field circuit, to solve the problems, such as that the magnetic line of force and magnetic field keep energy loss excessive, can effectively enhance closing retention force,
Reduce spring and rebound.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of breaker provided by the present invention；
Fig. 2 is the partial structural diagram of magnetic force operating mechanism in Fig. 1.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of breaker provided by the present invention, as depicted in figs. 1 and 2, the breaker in the embodiment is
Single-pole circuit breaker with magnetic force operating mechanism, single-pole circuit breaker include bracket 17, and bracket 17 is equipped with control cabinet 16, control cabinet 16
It is equipped with the magnetic force operating mechanism 15 of monopole 13 and dynamic/static contact separating brake, closing operation in realization monopole arc-chutes 11, monopole
13 include insulating cylinder body, and arc-chutes 11 and the insulated pull rod with the moving contact transmission connection in arc-chutes are equipped in insulating cylinder body
18, above-mentioned arc-chutes are vacuum interrupter, therefore insulated pull rod 18 is driven by the moving contact direct acting of excess of stroke spring 12 and arc-chutes and is connected
It connects, 151 direct acting of direct acting output rod of insulated pull rod 18 and magnetic force operating mechanism 15 is sequentially connected, by reciprocating action along the vertical direction
Direct acting output rod 151 by insulated pull rod 18 drive arc-chutes 11 in moving contact movement, with realize dynamic/static contact close a floodgate, point
Lock operation.
In the present embodiment, it is connected with sluice separating spring 14 on the direct acting output rod 151 of magnetic force operating mechanism, which uses
It is discharged when the energy storage when closing a floodgate, separating brake, to improve opening velocity, while preventing the special circumstances such as separating brake process power-off from leading to magnetic
Guarantee magnetic force mechanism reliable separating brake when power operating mechanism clamping stagnation.
Since the upper end of direct acting output rod 151 is power output end, direct acting output rod 151 moves up corresponding dynamic to realize
Static contact closing operation is moved down to realize that corresponding dynamic/static contact sub-switching operation, sluice separating spring 14 are arranged along the vertical direction, separating brake
The corresponding mechanism frame upper and lower end that the upper end of spring 14 presses against magnetic force operating mechanism presses against what direct acting output rod 151 was equipped with
On spring base.
Magnetic force operating mechanism includes institutional framework, institutional framework include vertically extend it is multiple spaced apart vertical
Column and upper cover plate 1, the lower plate 5 for being fixedly arranged on column both ends move back and forth on institutional framework along the vertical direction and are equipped with mover, move
Attached bag includes a coil block, and coil block is mounted in mechanism's installing plate 2, the guiding movement along the vertical direction of mechanism's installing plate 2
It is assemblied in the guiding movement that mover is realized on institutional framework, above-mentioned coil block includes magazine 3, and magazine 3 includes
Center brace panel 4 and two end-stopping plates for being arranged in 4 upper and lower ends of center brace panel, center brace panel 4 and two end-stopping plates form ring
Slot, electromagnetic coil is corresponding to be wrapped in annular groove to be fixed on magazine 3.
The direct acting output rod 151 of above-mentioned magnetic force operating mechanism is movably assemblied on institutional framework along the vertical direction, magnetic
The coil block of power operating mechanism drives direct acting output rod mobile to export realization magnetic force operating mechanism in reciprocating movement
It closes a floodgate, the driving force of sub-switching operation.
Direct acting output rod is sequentially connected by the moving contact direct acting of insulated pull rod, excess of stroke spring and arc-chutes, direct acting herein
Transmission connection refers to: direct acting output rod, insulated pull rod and moving contact three are in vertical upper synchronization action up and down.
Stator in said mechanism frame includes providing the corresponding permanent magnet in parallel magnetic field gap for corresponding electromagnetic coil, this
Permanent magnet in embodiment is specially plate-shaped permanent magnet, in institutional framework, according to the positional relationship of each column and coil block,
The middle phase column being set in coil block can be divided into and positioned at coil block outside and the side phase positioned opposite with middle phase column
Column, middle phase column and while the opposite side of phase column be installed with respectively plate-shaped permanent magnet with middle phase column and while phase column between
Parallel magnetic field gap 10 is formed, the plate-shaped permanent magnet being arranged on middle phase column is middle phase permanent magnet 6, is located on the phase column of side
Plate-shaped permanent magnet is side phase permanent magnet 7, and plate-shaped permanent magnet vertically extends, so that parallel magnetic field gap 10 is also vertically
Direction extends, and the electromagnetic coil for the corresponding coil block being sleeved on middle phase column is located in the parallel magnetic field gap 10, uses
When, electromagnetic coil 8 is powered, and electromagnetic coil can be upper by Ampere force effect as the electrical conductor being located in parallel magnetic field gap
Lower section moves back and forth upwards, and to guarantee balance, coiling is circumferentially usually evenly equipped with more than two parallel magnetic field gaps 10, this master
If being determined by the shape of electromagnetic coil, if electromagnetic coil is triangle, then between settable three corresponding parallel magnetic fields
Gap can be then correspondingly arranged between two parallel magnetic fields in four corresponding parallel magnetic field gaps or setting if electromagnetic coil is quadrangle
Gap, as electromagnetic coil be circular ring shape or oval ring, then can according to the actual size of electromagnetic coil along electromagnetic coil circumferentially
The parallel magnetic field gap of respective number, magnetic direction is determined by parallel magnetic field gap present position in each parallel magnetic field gap, is protected
Demonstrate,prove the normal reciprocating movement of coil block.
It should be noted that since electromagnetic coil is with the reciprocating movement of magazine 3, to reduce frictional resistance, in coil
There are position gaps between frame 3 and corresponding permanent magnet.
In the present embodiment, since magnetic force operating mechanism is used to drive the moving contact in arc-extinguishing chamber of circuit breaker to move back and forth with reality
The breaking-closing operating of existing arc-chutes, therefore, the moving back and forth on stroke of coil block have the corresponding limes superiors position closed a floodgate and right
Answer the limit inferior position of separating brake.
In the present embodiment, when being closed a floodgate, it is passed through switching current to the electromagnetic coil being located in parallel magnetic field gap,
Electromagnetic coil drive direct acting output rod 151 with insulated pull rod 18 drive arc-chutes moving contact move up with corresponding stationary contact
Head closes a floodgate, at this point, the 14 compression energy storage of sluice separating spring being sequentially connected with direct acting output rod 151, realizes closing operation, and closing a floodgate
At when electromagnetic coil is maintained to the limes superiors position of corresponding combined floodgate.When needing separating brake, to the electricity being located in parallel magnetic field gap
Magnetic coil is passed through separating brake electric current, direct acting output rod 151 with insulated pull rod 18 drive arc-chutes moving contact move down with
Static contact is detached from separating brake, and other than the separating brake driving force provided by the electromagnetic coil, sluice separating spring 14 discharges simultaneously to drive power defeated
Shaft is quickly moved down to realize sub-switching operation, can effectively improve opening velocity, improves breaking capacity of breaker, moreover,
During separating brake, when magnetic force operating mechanism powers off and clamping stagnation occurs, guarantee smoothly to divide using the driving force that sluice separating spring 14 discharges
Lock.
In addition, being installed with respectively in each parallel magnetic field gap 10 in the upside of corresponding magazine in the present embodiment
Magnetic circuit is closed magnetic patch 9, and magnetic circuit closure magnetic patch 9 actually corresponds to the upper limit position arrangement of corresponding coil block, upper magnetic circuit on this
Being closed magnetic patch 9 has a contact surface for contact with corresponding magazine pushing tow, upper magnetic circuit closure magnetic patch with it is positioned opposite forever
Magnet contacts.So that the closed circuit of completion, the magnetic line of force can be formed when magazine and upper magnetic circuit closure magnetic patch contact
It can be returned in magnetic force mechanism by closed circuit, can effectively enhance the magnetic field strength at upper limit position.
In the present embodiment, since coil block moves back and forth along the vertical direction, to reduce frictional resistance, the line of coil block
There are the position gap being sized, the position gaps between ring box frame and the two sides plate-shaped permanent magnet for forming parallel magnetic field gap
The problem that closed magnetic field keeps energy loss excessive so as to cause the magnetic line of force and magnetic field can not be formed by bringing, and the present embodiment
In, it is exactly based in parallel magnetic field gap that setting is contacted with two sides plate-shaped permanent magnet and the upper magnetic circuit contacted with magazine closes
Magnetic patch is closed to form closed magnetic field circuit, to solve the problems, such as that the magnetic line of force and magnetic field keep energy loss excessive, can effectively be enhanced
Closing retention force reduces spring.
In the present embodiment, upper magnetic circuit closure magnetic patch, upper magnetic circuit closure are disposed with only for the closing position of magnetic force operating mechanism
Magnetic patch is located at the upside of corresponding electromagnetic coil.In other embodiments, it can also arrange that corresponding magnetic circuit is closed only for sub-gate position
Magnetic patch, at this point, magnetic circuit closure magnetic patch is located at the downside of corresponding electromagnetic coil.Certainly, can also distinguish for sub-gate position and closing position
Arrange that magnetic circuit is closed magnetic patch, at this point, magnetic circuit closure magnetic patch is respectively arranged in the upper side and lower side of corresponding electromagnetic coil, due to whole
The magnetic field strength in a parallel magnetic field gap is all the same, can each lead into reverse current in the later period of divide-shut brake to realize buffering behaviour
Make, can further reduce spring and rebound in this way.
In the present embodiment, each parallel magnetic field gap is formed by two sides plate-shaped permanent magnet, the magnetic in each parallel magnetic field gap
Field direction is consistent.In other embodiments, parallel magnetic field gap includes being located in the middle to divide for applying to corresponding electromagnetic coil
The main field gap of combined floodgate driving force and above and below main field gap two sides auxiliary magnetic field gap, main field gap and auxiliary
The magnetic direction of gapped magnetic field is on the contrary, the permanent magnet for forming parallel magnetic field gap includes being located in the middle main plate-shaped permanent magnet and position
Auxiliary permanent magnet in end, main plate-shaped permanent magnet use heteropolar opposed mode to arrange to form the main field gap, auxiliary
Help permanent magnet that heteropolar opposed mode is used to arrange to form auxiliary magnetic field gap, be located on the upside of electromagnetic coil and/or under
The magnetic circuit closure magnetic patch of side is contacted with the auxiliary permanent magnet for forming corresponding auxiliary magnetic field gap.In this case, due to divide-shut brake
Later period electromagnetic coil is close to auxiliary magnetic field gap.Certainly, it can also arrange that corresponding magnetic circuit is closed only for closing position or sub-gate position
Magnetic patch.It should be noted that may make electromagnetic coil to be always positioned in main field gap, not due to the presence of magazine
Into in auxiliary magnetic field gap, so that auxiliary permanent magnet primarily serves the effect that locking is kept.
In the present embodiment, the permanent magnet for forming parallel magnetic field gap in other embodiments can also using plate-shaped permanent magnet
Respective parallel gapped magnetic field can be formed using other and guarantees the magnet structure that electromagnetic coil normally moves back and forth.
In the present embodiment, the mover of magnetic force operating mechanism includes that a coil block may also set up in other embodiments
More than two coil blocks are arranged according to driving force size.Certainly, the mover of magnetic force operating mechanism can also be dynamic iron core, phase
It answers, stator at this time is then fixed electromagnetic coil, at this point, can configure corresponding closing coil and opening coil, when combined floodgate,
It is powered to closing coil, absorption dynamic iron core is moved up to realize closing operation, when separating brake, is powered to opening coil, absorption is dynamic
Iron core is moved down to realize separating brake.No matter stator is electromagnetic coil or mover is electromagnetic coil, as long as magnetic force operating mechanism
With corresponding direct acting output rod, and it is connected with corresponding sluice separating spring on direct acting output rod, then should all fall into the guarantor of this patent
It protects in range.
Breaker provided by the present invention is single-pole circuit breaker, and monopole is directly anchored to the institutional framework of magnetic force operating mechanism
On, in other embodiments, the arc-chutes of two monopoles can also be driven to carry out breaking-closing operating by single magnetic force operating mechanism, or
Person is that the arc-chutes of two monopoles is driven to carry out breaking-closing operating by single magnetic force operating mechanism, and magnetic force operating mechanism itself is dividing
Equally there is good separating brake performance under the addition of brake spring, and make in the arc-chutes of each monopole moving contact pass through insulated pull rod with
The direct acting output rod direct acting of magnetic force operating mechanism is sequentially connected, and saves the intermediate transmissions structure such as connecting lever additionally arranged, can be effective
The loss for reducing operating work, improves efficiency.
Magnetic force operating mechanism provided by the present embodiment can be applied to the including but not limited to phase selections such as 126kV vacuum circuit breaker
Divide-shut brake and switched capacitor group field.
The arc-chutes of breaker provided by the present invention can be not only vacuum interrupter, can also be other kinds of arc extinguishing
Room.
The present invention also provides a kind of embodiment of magnetic force operating mechanism, the structure of the magnetic force operating mechanism in the embodiment with
The structure of magnetic force operating mechanism in above-mentioned breaker embodiment is identical, and details are not described herein.
Claims (7)
1. a kind of magnetic force operating mechanism, including institutional framework, it is installed with stator on institutional framework, is additionally provided on institutional framework and institute
Stator is stated to be used cooperatively to move back and forth the mover for realizing corresponding dynamic/static contact separating brake, closing operation in turn along the vertical direction,
It is characterized in that: being connected with the direct acting output rod that can be moved back and forth along the vertical direction on the mover, be connected on direct acting output rod
For the sluice separating spring that energy storage of closing a floodgate, separating brake discharge, the mover includes at least one coil block, and coil block includes electromagnetic wire
Circle, the stator include that the permanent magnet in parallel magnetic field gap is provided for corresponding electromagnetic coil, and the coil block includes being wound with
The magazine of corresponding electromagnetic coil, there are position gaps between magazine and corresponding permanent magnet, in parallel magnetic field gap
In be installed with magnetic circuit closure magnetic patch on the upside of corresponding magazine, the magnetic circuit closure magnetic patch have for corresponding coil former
The contact surface of frame pushing tow contact, the magnetic circuit closure magnetic patch are contacted with permanent magnet positioned opposite, the reciprocal shifting of coil block
There is the corresponding limes superiors position closed a floodgate, magnetic circuit closure magnetic patch corresponds to the upper limit position arrangement of corresponding coil block on dynamic stroke.
2. magnetic force operating mechanism according to claim 1, it is characterised in that: the upper end of the direct acting output rod is that power is defeated
Outlet, direct acting output rod are moved up to realize corresponding dynamic/static contact closing operation, move down to realize corresponding dynamic/static contact
Sub-switching operation, the sluice separating spring arrange that the upper end of sluice separating spring is fixing end, lower end is free end, sluice separating spring along the vertical direction
Free end presses against on the spring base that the direct acting output rod is equipped with.
3. magnetic force operating mechanism according to claim 1 or 2, it is characterised in that: the permanent magnet is positioned opposite two
Side plate-shaped permanent magnet, two sides plate-shaped permanent magnet use heteropolar opposed mode to arrange to form the parallel magnetic field gap, are located at
Magnetic circuit closure magnetic patch on the upside of electromagnetic coil is contacted with two sides plate-shaped permanent magnet.
4. a kind of breaker carries out the magnetic force behaviour of separating brake, closing operation including the dynamic/static contact in arc-chutes and driving arc-chutes
Motivation structure, magnetic force operating mechanism include institutional framework, and stator is installed on institutional framework, be additionally provided on institutional framework with it is described fixed
Son is with the use of the mover to move back and forth and then realize corresponding dynamic/static contact separating brake, closing operation along the vertical direction, feature
It is: is connected with the direct acting output rod that can be moved back and forth along the vertical direction on the mover, is connected with and is used on direct acting output rod
The sluice separating spring of combined floodgate energy storage, separating brake release, the moving contact in the arc-chutes are straight by insulated pull rod and the direct acting output rod
Dynamic transmission connection, the mover includes at least one coil block, and coil block includes electromagnetic coil, and the stator is including being pair
Electromagnetic coil is answered to provide the permanent magnet in parallel magnetic field gap, the coil block includes the coil former for being wound with corresponding electromagnetic coil
Frame, there are position gaps between magazine and corresponding permanent magnet, in the upper of corresponding magazine in parallel magnetic field gap
Side is installed with magnetic circuit closure magnetic patch, and the magnetic circuit closure magnetic patch has the contact surface for contacting with corresponding magazine pushing tow,
The magnetic circuit closure magnetic patch is contacted with permanent magnet positioned opposite, has corresponding close a floodgate on the reciprocating movement stroke of coil block
Limes superiors position, magnetic circuit closure magnetic patch correspond to corresponding coil block upper limit position arrange.
5. breaker according to claim 4, it is characterised in that: the upper end of the direct acting output rod is power output end,
Direct acting output rod is moved up to realize corresponding dynamic/static contact closing operation, move down to realize corresponding dynamic/static contact separating brake behaviour
Make, the sluice separating spring arranges that the upper end of sluice separating spring is fixing end, lower end is free end, the free end of sluice separating spring along the vertical direction
It presses against on the spring base that the direct acting output rod is equipped with.
6. breaker according to claim 4 or 5, it is characterised in that: breaker is single-pole circuit breaker.
7. breaker according to claim 4 or 5, it is characterised in that: the permanent magnet is both side plate shape positioned opposite
Permanent magnet, two sides plate-shaped permanent magnet use heteropolar opposed mode to arrange to form the parallel magnetic field gap, are located at electromagnetic wire
The magnetic circuit closure magnetic patch of circle upside is contacted with two sides plate-shaped permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134657.0A CN107068437B (en) | 2017-03-08 | 2017-03-08 | A kind of magnetic force operating mechanism and the breaker using the magnetic force operating mechanism |
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| CN201710134657.0A CN107068437B (en) | 2017-03-08 | 2017-03-08 | A kind of magnetic force operating mechanism and the breaker using the magnetic force operating mechanism |
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| CN107068437B true CN107068437B (en) | 2019-01-22 |
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| CN2504755Y (en) * | 2001-10-09 | 2002-08-07 | 沈阳工业大学 | Breaker permanent-magnt operation mechanism able to select phase for separating gate |
| US7518269B2 (en) * | 2005-03-18 | 2009-04-14 | Ls Industrial Systems Co., Ltd. | Actuator using permanent magnet |
| CN201017811Y (en) * | 2007-02-17 | 2008-02-06 | 吉林市行健电力自控设备有限公司 | Permanent magnet control mechanism of high-voltage vacuum breaker |
| CN100530467C (en) * | 2007-08-20 | 2009-08-19 | 北京交通大学 | Monostable self-locking type air gas variable permanent magnet operation device |
| CN101447367B (en) * | 2008-12-26 | 2011-06-15 | 沈阳工业大学 | Permanent magnet linear thrust operating mechanism used for vacuum circuit breaker |
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