CN107293455A - Tripping mechanism, permanent magnet type breaker and the switch cubicle of permanent magnet type breaker - Google Patents
Tripping mechanism, permanent magnet type breaker and the switch cubicle of permanent magnet type breaker Download PDFInfo
- Publication number
- CN107293455A CN107293455A CN201710670480.6A CN201710670480A CN107293455A CN 107293455 A CN107293455 A CN 107293455A CN 201710670480 A CN201710670480 A CN 201710670480A CN 107293455 A CN107293455 A CN 107293455A
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- permanent magnet
- handle
- rotating shaft
- magnet type
- linkage structure
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- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 210000003739 neck Anatomy 0.000 description 26
- 230000009471 action Effects 0.000 description 16
- 230000006872 improvement Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000036461 convulsion Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
- H01H71/1018—Interconnected mechanisms with only external interconnections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of tripping mechanism of permanent magnet type breaker, belong to field of circuit breakers, including the handle being arranged at outside Shell of circuit breaker, in addition to：Linkage structure, is installed on the breaker, and one end is linked with the handle, and the other end can drive the moving armature of permanent magnet mechanism to depart from closing position under the drive of the handle；Movable part, can be abutted with the linkage structure so that the handle can not drive the linkage structure to move；Bias piece, its biasing force makes the movable part maintain to abut state with the linkage structure.The present invention improves the security of tripping mechanism when in use, makes the use of releasing structure relatively reliable.
Description
Technical field
The present invention relates to field of circuit breakers, and in particular to a kind of tripping mechanism of permanent magnet type breaker, permanent magnet type breaker
And switch cubicle.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can closed, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is switched to gate-dividing state by "on" position
Process is referred to as the dropout of breaker.A kind of power using permanent magnet was occurred in that in recent years to close a floodgate to breaker and opened a sluice gate
Breaker, referred to as permanent magnet type breaker.Permanent magnet type breaker is because it is equipped with unique permanent magnet mechanism, mechanism operating energy
It is small, it is widely adopted the advantages of in the absence of demagnetization hidden danger, long lifespan, strong antijamming capability.Using permanent magnet type breaker
During, in order to ensure the security and high reliability of Operation of Electric Systems, permanent magnet mechanism must all possess emergency manual separating brake
Device, it is ensured that in operation in the case of power interruptions, reliable separating brake can be carried out manually.
The manual switching-off device of domestic existing permanent magnet mechanism：Generally built-in mandatory manual brake separating, in permanent magnetic motor
An axis hole is opened in the outer yoke of structure, for setting-up eccentricity cam, recycles rotary shaft to draw the rotational action of eccentric cam
To the surface of shell of breaker, rotary shaft reserves a handle interface, it is necessary to when threading off in the surface of shell of breaker, by outside
Handle inserts interface, twists rotary shaft, drives eccentric cam directly to apply to the moving armature of permanent magnet mechanism and permanent magnetism the suction-combining force phase
The huge external force of opposite direction, disengages it from closing position and reaches open position.The manual switching off/on device of this permanent magnet mechanism, when
Run into emergency need carry out emergency opening when, it is necessary first to find handle, then handle be inserted into breaker permanent-magnet mechanism hand
On handle interface, firmly rotate, can just make breaker open operation, whole process takes very much, it is impossible to reach the main telegram in reply source of fast shut-off
Purpose, so that the damage that can not be estimated can be caused to breaker and relevant device.Particularly above-mentioned permanent magnet type breaker is pacified
When in switch cubicle, need to carry out emergency opening when running into emergency, need not only to find handle, also to open switch cubicle
Cabinet door, then handle is inserted on breaker permanent-magnet mechanism handle interface, it is more time-consuming.
For drawbacks described above, Chinese patent Authorization Notice No. discloses a kind of utilization for CN104599876B patent of invention
The trip action of breaker is drawn out to the technical scheme outside switch cubicle, including breaker master by link transmission mode out of switch cubicle
Body, the dropout semiaxis set in breaker body and combined floodgate keeper, dropout semiaxis, which engages button with combined floodgate keeper and realized, to break
The combined floodgate of road device, sets a drive rod in breaker body, is set in the upper end of drive rod on top, top and is provided with level
Elongated slot, sets back-moving spring between top and breaker body upper end, cock arm and outer pivoted arm is additionally provided with on-board the circuit breaker, interior
Pivoted arm and outer pivoted arm are connected by a rotating shaft, and cock arm is provided with thimble, and thimble is slidably fitted in the horizontal elongated slot on top
Interior, the lower end of drive rod is located at the top of dropout semiaxis close to the position of dropout semiaxis.In use, the position of outer pivoted arm can be set
Put in the place of needs, maloperation is rotated by rotating shaft and passes to cock arm, when cock arm is rotated, connecting rod overcomes reset bullet
The elastic force of spring is moved downward, and ejector pin contact is pushed dropout semiaxis, and dropout semiaxis is separated with combined floodgate keeper, circuit breaker trip.
, can be by operating outer pivoted arm to realize the trip action of breaker, so as to save when outer pivoted arm is arranged on switch cubicle
Time required for circuit breaker tripping.
However, also there is following defect in actual use in above-mentioned technical proposal：When outer pivoted arm is arranged on the outer of breaker
During portion, such as on the cabinet of breaker, the cabinet of switch cubicle or cabinet door, now outer pivoted arm exposure outside, will be light by touching
Drive miscellaneous part of changing places is moved, consequently, it is possible to be easy to will occur maloperation when user touches outer pivoted arm by mistake, is led
Cause permanent magnet mechanism to carry out emergency trip in the case of unnecessary, have impact on the reliability of equipment operation.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the external of permanent magnet type breaker in the prior art to thread off
Maloperation easily occurs when in use for mechanism, the problem of less reliable, so as to provide a kind of relatively reliable disconnected for magneto
Tripping mechanism, permanent magnet type breaker and the switch cubicle of road device.
In order to solve the above-mentioned technical problem, the present invention is adopted the technical scheme that：
A kind of tripping mechanism of permanent magnet type breaker, including the handle being arranged at outside Shell of circuit breaker, in addition to：
Linkage structure, is installed on the breaker, and one end and the handle link, the other end can the handle band
The moving armature of dynamic lower driving permanent magnet mechanism departs from closing position；
Movable part, can be abutted with the linkage structure so that the handle can not drive the linkage structure to move；
Bias piece, its biasing force makes the movable part maintain to abut state with the linkage structure.
The present invention provide technical scheme further improvement is that：The linkage structure is rotated with the handle and linked.
The present invention provide technical scheme further improvement is that：Fixture block, the linkage knot are installed with the movable part
The neck being caught in suitable for the fixture block is formed on structure, the fixture block is caught in the neck simultaneously in the presence of the biasing force
Make the handle that the linkage structure can not be driven to move.
The present invention provide technical scheme further improvement is that：The neck takes shape in the linkage structure and the hand
On the perisporium of one end of handle linkage.
The present invention provide technical scheme further improvement is that：The neck includes supporting respectively with the opposite sides of fixture block
The first side wall and second sidewall connect.
The present invention provide technical scheme further improvement is that：The linkage structure includes：
First rotating shaft, is rotatably installed on the Shell of circuit breaker, and one end and the handle are affixed；
Second rotating shaft, one end is rotatably installed on the permanent magnet mechanism and is provided with can tilt institute in rotation process
State the first goods of furniture for display rather than for use of the moving armature of permanent magnet mechanism, the other end is by moving the other end of transformational structure and the first rotating shaft
Connection.
The present invention provide technical scheme further improvement is that：The motion transformational structure includes：
Cam, rotates the one end for the remote handle for being installed on the first rotating shaft in linkage；
Second goods of furniture for display rather than for use, is fixedly installed in one end of remote first goods of furniture for display rather than for use of second rotating shaft, and along described second
Rotating shaft is radially extended, and second goods of furniture for display rather than for use drives second axis of rotation under the promotion of the cam.
The present invention provide technical scheme further improvement is that：Second goods of furniture for display rather than for use also includes：
Swing rod, is fixedly installed in one end of remote first goods of furniture for display rather than for use of second rotating shaft, and along second rotating shaft
Radially extend；
Roller, is installed on the one end of the swing rod away from second rotating shaft, can be contacted with the cam rotation.
The present invention provide technical scheme further improvement is that：The first rotating shaft can be axially moved in through hole
In order to solve the above-mentioned technical problem, another technical scheme that provides of the present invention is：A kind of permanent magnet type breaker, bag
Include the tripping mechanism for permanent magnet type breaker described in above-mentioned technical proposal.
In order to solve the above-mentioned technical problem, another technical scheme that provides of the present invention is：A kind of switch cubicle, including it is above-mentioned
The tripping mechanism for permanent magnet type breaker described in technical scheme, and the handle is arranged at outside the switch cubicle.
Technical solution of the present invention, has the following advantages that：
1st, the technical scheme that provides of the present invention includes being arranged at the handle outside Shell of circuit breaker, in addition to linkage structure,
Movable part and bias piece, the linkage structure are installed on the breaker, and one end is linked with the handle, and the other end can be in institute
State and drive the moving armature of permanent magnet mechanism to depart from closing position under the drive of handle；The movable part can be abutted with the linkage structure
So that the handle can not drive the linkage structure to move；The biasing force of the bias piece makes the movable part and the linkage
Structure maintains abutting state.In use, the rotational action of linkage structure is limited using movable part, and by inclined
Casting die maintains the restriction state, when needing to thread off to breaker, it is necessary to overcome the biasing force of bias piece could manipulator
Grip strip moves linkage structure to thread off to breaker.It can effectively reduce what releasing structure was misused by said structure
Possibility, improves the security of tripping mechanism when in use, makes the use of releasing structure relatively reliable.
2nd, in the technical scheme that the present invention is provided, it is installed with fixture block, the linkage structure and forms on the movable part
The neck being caught in suitable for the fixture block, the fixture block is caught in the neck in the presence of the biasing force and makes the handle
The linkage structure can not be driven to move.By such design, operator if it is desired to realizing trip action, it is necessary to operate on the other hand
Movable part makes the card of movable part depart from neck soon, and another hand rotates handle drive linkage structure and could realized to be taken off to breaker
Button, by the way that trip action setting both hands are operated into the operation condition that could be completed simultaneously, makes the action of tripping mechanism relatively reliable,
The further possibility for avoiding occurring maloperation, while such mode of operation, which does not interfere with tripping mechanism, is carrying out emergency trip
When agility, it is ensured that its still can in a short time to breaker carry out emergency trip.
3rd, in the technical scheme that the present invention is provided, the neck takes shape in one that the linkage structure links with the handle
On the perisporium at end.Such structure ensure that movable part, neck and handle are specifically being arranged on door board of switch cabinet or open circuit
The same side in door-plate when on device door-plate, and it is oversize to stretch out door-plate, it is ensured that operator's operant activity at the same time
Both hands are in the same area when part and handle, dropout is operated after being installed on specific door-plate and are more facilitated, take
Space is smaller.
4th, neck described in the technical scheme that the present invention is provided includes the first side abutted respectively with the opposite sides of fixture block
Wall and second sidewall.By said structure, it can make after fixture block sticked into neck, the Double-directional rotary of handle is all limited by fixture block
System, makes handle be in a fixed position all the time in the case where treating trip status, rationally sets after groove position, can reach rotates handle
The purpose of dropout is realized in the case where rotating minimum angle.Therefore, said structure not only ensure that the present invention in actual use
Reliability, also makes the action of the present invention in operation compacter, reduces gap, improve operability.
5th, linkage structure includes first rotating shaft and the second rotating shaft, described first turn described in the technical scheme that the present invention is provided
Axle one end and the handle are affixed；Described second rotating shaft one end is provided with can tilt the institute of the permanent magnet mechanism in rotation process
The first goods of furniture for display rather than for use of moving armature is stated, the other end is connected by moving transformational structure with the other end of the first rotating shaft.By that will join
Dynamic structure is designed to the form of first rotating shaft and the second rotating shaft, easily can be drawn out to the trip action of permanent magnet type breaker
Box of the circuit breaker external position is carried out.For example：If the first rotating shaft and handle after rationally setting are installed on switch cubicle outer wall
On just breaker can be threaded off outside switch cubicle, time for beating required for switch cubicle is saved, if located in breaker
Just breaker can be threaded off in vitro in breaker cabinet on door-plate, save the time found required for dedicated handle.Therefore,
Said structure effectively raises adaptability of the present invention under different working condition requirements, and no matter which kind of permanent magnet type breaker is applied to
Under operating mode, the need for the present invention can be met to breaker progress emergency trip.
6th, motion transformational structure described in the technical scheme that the present invention is provided includes cam and the second goods of furniture for display rather than for use, and the cam turns
One end of the dynamic remote handle for being installed on the first rotating shaft in linkage；Second goods of furniture for display rather than for use is fixedly installed in described second
One end of remote first goods of furniture for display rather than for use of rotating shaft, and radially extending along second rotating shaft, second goods of furniture for display rather than for use is in institute
Second axis of rotation is driven under the promotion for stating cam.By the way that Transfer Structure Design will be moved into lever form, lever is utilized
Principle can reduce power required when carrying out forcing to thread off to permanent magnet type breaker, be carried needed for reducing operative while power
High service speed, saves the operating time.
7th, the second goods of furniture for display rather than for use described in the technical scheme that the present invention is provided also includes swing rod and roller, and the swing rod is fixedly mounted
In one end of remote first goods of furniture for display rather than for use of second rotating shaft, and radially extending along second rotating shaft；The rolling
Wheel is installed on the one end of the swing rod away from second rotating shaft, can be contacted with the cam rotation., can will be convex by roller
The way of contact of wheel and the second goods of furniture for display rather than for use is changed to rolling friction by sliding friction, swing rod is easier to make for pendulum under the driving of cam
It is dynamic, improve smoothness and operability when in use of the invention.
8th, it is provided with described in the technical scheme that the present invention is provided on cam and carries out rotating linkage with the first rotating shaft
Through hole, the first rotating shaft can be axially moved in through hole.Above-mentioned knot will be designed at the cooperation of first rotating shaft and cam
Structure, on the one hand ensures that first rotating shaft smoothly band moving cam can be rotated；On the other hand, first rotating shaft can be in cam
The twitch of axial direction is carried out, this measure allows for most permanent magnet type breaker and there are two installation sites, one in switch cubicle
It is individual be testing position, another be operating position, two position installation sites are parallel, but one inner one is outer.By
Before and after one rotating shaft and cam are designed to be able to the connected mode of twitch can tripping mechanism can be smooth under two positions
It is operated, is the working condition requirement that the present invention more adapts to permanent magnet type breaker.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the stereogram of the embodiment of the present invention one；
Fig. 2 is the partial enlarged drawing in A portions in Fig. 1；
Fig. 3 be the embodiment of the present invention two in conceal the stereogram after breaker door-plate；
Fig. 4 is the stereogram of the embodiment of the present invention three；
Fig. 5 be Fig. 4 in switch cubicle and Shell of circuit breaker are done to the stereogram after broken section；
Description of reference numerals：
1- handles, 2- movable parts, 3- linkage structures, 31- necks, 311- the first side walls, 312- second sidewalls, 32- first
Rotating shaft, the rotating shafts of 33- second, the goods of furniture for display rather than for uses of 34- first, 35- motion transformational structures, 351- cams, 352- swing rods, 353- rollers, 4- is moved
Armature, 5- switch cabinet bodies, 51- door board of switch cabinet, 6- Shell of circuit breaker, 61- breaker door-plates, 7- cabinet door jam plates.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
Embodiment one：
It is as depicted in figs. 1 and 2 embodiments of the invention one, present embodiments provides a kind of dropout of permanent magnet type breaker
Mechanism, including the handle 1 being arranged at outside Shell of circuit breaker 6, in addition to linkage structure 3, movable part 2 and bias piece, the linkage
Structure 3 is installed on the Shell of circuit breaker 6, and one end is linked with the handle 1, and the other end can be under the drive of the handle 1
The moving armature 4 of permanent magnet mechanism is driven to depart from closing position；The movable part 2 can be abutted with the linkage structure 3 so that the hand
Handle 1 can not drive the linkage structure 3 to move；The biasing force of the bias piece makes the movable part 2 and the linkage structure 3
Maintain abutting state.Specifically, the bias piece is specially torsion spring, and movable part 2 is specially S type jam plates, the movable part 2
Middle part is rotationally hinged by bearing pin with installation site, and torsion spring set on bearing pin and is biased power to movable part 2,
Movable part 2 and linkage structure 3-dimensional is set to hold conjunction state.
In use, the rotational action of linkage structure 3 is limited using movable part 2, and tieed up by bias piece
The restriction state is held, when needing to thread off to breaker, it is necessary to overcome the biasing force ability operation handle 1 of bias piece to drive
Linkage structure 3 is threaded off to breaker.The possibility that releasing structure is misused can be effectively reduced by said structure
Property, the security of tripping mechanism when in use is improved, makes the use of releasing structure relatively reliable.
As the improvement embodiment of tripping mechanism, the linkage structure 3 is rotated with the handle 1 and linked, by rotating
Handle 1 can drive linkage structure 3 to be rotated.It is installed with fixture block, the linkage structure 3 and forms on the movable part 2
The neck 31 being caught in suitable for the fixture block, the fixture block is caught in the neck 31 in the presence of the biasing force and made described
Handle 1 can not drive the linkage structure 3 to move.
In use, operator is if it is desired to realize trip action, it is necessary to which proficiency operant activity part 2 makes the card of movable part 2 take off soon
From neck 31, another hand rotates handle 1 and drives linkage structure 3 to realize threads off to breaker, by by trip action
Set both hands to operate the operation condition that could be completed simultaneously, make the action of tripping mechanism relatively reliable, further avoid occurring
The possibility of maloperation, while such mode of operation does not interfere with agility of the tripping mechanism when carrying out emergency trip, it is ensured that
It still can carry out emergency trip to breaker in a short time.
A kind of as neck 31 improves embodiment, and the neck 31 takes shape in the linkage structure 3 and the handle
On the perisporium of one end of 1 linkage, when being rotated under drive of the linkage structure 3 in handle 1, neck 31 can be in appropriate position
Put and abutted with fixture block formation.In use, movable part 2, neck 31 are specifically being arranged on door board of switch cabinet or breaker with handle 1
The same side in door-plate when on door-plate 61, and it is oversize to stretch out door-plate, it is ensured that operator's operant activity at the same time
Both hands are in the same area when part 2 and handle 1, tripping mechanism is installed to specific door board of switch cabinet 51 or open circuit
Operation is more facilitated after on device door-plate 61, and space-consuming is smaller.
Specifically, the neck 31 includes the first side wall 311 and the second sidewall 312 being oppositely arranged, the first side wall
311 abut against with the side of fixture block, shown second sidewall 312 and the opposite side for abutting against side on fixture block with the first side wall 311
Abutted.
When neck 31 is rotated around the perisporium of linkage structure 3, the fixture block on movable part 2 enters under the drive of bias piece
Enter in neck 31, the first side wall 311 and second sidewall 312 of neck 31 realize the two-way abutting to fixture block, stick into fixture block
After in neck 31, the Double-directional rotary of handle 1 is all limited by fixture block.Ensure handle 1 in the case where treating trip status all the time in solid
Positioning is put, by rationally designing the position of neck 31, can reach that rotating handle 1 realizes what is threaded off in the case where rotating minimum angle
Purpose.Therefore, said structure not only ensure that reliability of the present invention in actual use, also make the present invention in operation
Action it is compacter, reduce gap, improve operability.
A kind of as linkage structure 3 improves embodiment, and the first rotating shaft 32 of linkage structure 3 is rotatably mounted
In on the Shell of circuit breaker 6, and one end and the handle 1 are affixed；Second rotating shaft 33, one end be rotatably installed on it is described forever
On magnetic mechanism and the first goods of furniture for display rather than for use 34 of the moving armature 4 that the permanent magnet mechanism can be tilted in rotation process is installed, it is another
End is connected by moving transformational structure 35 with the other end of the first rotating shaft 32.
In use, first rotating shaft 32 and handle 1 can be outer to breaker in Shell of circuit breaker 6 on breaker door-plate 61
Threaded off, the time found required for dedicated handle 1 is saved, by the way that linkage structure 3 is designed into first rotating shaft 32 and second
The form of rotating shaft 33, the trip action of permanent magnet type breaker can easily be drawn out to the position outside Shell of circuit breaker 6 to enter
OK.Therefore, said structure effectively raises adaptability of the present invention under different working condition requirements, and no matter permanent magnet type breaker is answered
For under which kind of operating mode, the present invention can be met emergency trip is carried out to breaker the need for.
A kind of as motion transformational structure 35 improves embodiment, and the motion transformational structure 35 includes the He of cam 351
Second goods of furniture for display rather than for use, the cam 351 is installed on one end of the remote handle 1 of the first rotating shaft 32；Second goods of furniture for display rather than for use is consolidated
One end of remote first goods of furniture for display rather than for use 34 of the Dingan County loaded on second rotating shaft 33, and radially extending along second rotating shaft 33
And go out, second goods of furniture for display rather than for use drives second rotating shaft 33 to rotate under the promotion of the cam 351.
When first rotating shaft 32 is rotated with moving cam 351, the long side of cam 351 promotes the second goods of furniture for display rather than for use to away from first
The direction motion of rotating shaft 32, and then drive the second rotating shaft 33 to be rotated, the second rotating shaft 33 conducts rotational action to the first pendulum
Moving armature 4 is prized after on part 34.Larger power, which is generally required, due to prizing the moving armature 4 of permanent magnet mechanism to realize,
The present embodiment can be reduced disconnected to magneto by the way that motion transformational structure 35 is designed into above-mentioned lever form using lever principle
Road device power required when carrying out forcing to thread off, improves service speed while power needed for reducing operative, when saving operation
Between.
A kind of as the second goods of furniture for display rather than for use improves embodiment, and second goods of furniture for display rather than for use also includes swing rod 352 and roller 353, institute
State one end that swing rod 352 is fixedly installed in remote first goods of furniture for display rather than for use 34 of second rotating shaft 33, and along second rotating shaft
33 radially extend；The roller 353 is installed on the one end of the swing rod 352 away from second rotating shaft 33, can be with institute
State cam 351 and rotate contact.
When promoting the second goods of furniture for display rather than for use to be swung on the long side of cam 351, using roller 353 can by cam 351 and
The way of contact of second goods of furniture for display rather than for use is changed to rolling friction by sliding friction, swing rod 352 is more held under the driving of cam 351 and carries out
Swing, improve smoothness and operability when in use of the invention.
A kind of as cam 351 improves embodiment, and the first rotating shaft 32 can be axially moved in through hole.Will
It is designed at the cooperation of first rotating shaft 32 and cam 351 after said structure, on the one hand ensures that first rotating shaft 32 being capable of smoothly band
Moving cam 351 is rotated；On the other hand, first rotating shaft 32 can carry out the twitch of axial direction in cam 351, and this measure is to examine
Consider most permanent magnet type breaker and there are two installation sites in switch cubicle, one be testing position, another be work
Make position, two installation sites are parallel, but one inner one is outer.First rotating shaft 32 and cam 351 are designed to be able to
The connected mode of front and rear twitch can tripping mechanism work can be smoothed out under two positions, be the present invention more fit
Answer the working condition requirement of permanent magnet type breaker.
In order to enable the invention to while having the function of switch cabinet door plate or the progress locking of breaker door-plate 61 concurrently, originally
Invention is additionally provided with cabinet door jam plate 7 on linkage structure 3 close to one end of handle 1, when handle 1 drives 3 turns of linkage structure
When dynamic, cabinet door jam plate 7 can be swung simultaneously.While the fixture block on movable part 2 enters neck 31, cabinet door jam plate 7 is swung
To lock position, abutted if now opening door board of switch cabinet again and can make to be formed between cabinet door jam plate 7 and cabinet, prevent switch cubicle
Door-plate continues to open.Said structure enables the invention to the present invention has latch functions while with tripping function, subtracts
The redundant structure on door board of switch cabinet is lacked, the present invention is more facilitated in actual use.
Embodiment two：
Embodiments of the invention two are illustrated in figure 3, a kind of permanent magnet type breaker is present embodiments provided, are provided with above-mentioned
The tripping mechanism of permanent magnet type breaker described in embodiment, due to the permanent magnetism being provided with the present embodiment described in embodiment one
The tripping mechanism of formula breaker, therefore the technique effect being also just provided with above-described embodiment one.
Embodiment three：
It is as shown in Figure 4 and Figure 5 embodiments of the invention three, present embodiments provides a kind of switch cubicle, implementation is installed
The tripping mechanism of permanent magnet type breaker described in example one, and the handle 1 is arranged at outside the switch cabinet body 5.Due to this
The tripping mechanism for the permanent magnet type breaker being provided with embodiment described in embodiment one, therefore also just it is provided with above-described embodiment
Technique effect in one.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (11)
1. a kind of tripping mechanism of permanent magnet type breaker, including the handle (1) of Shell of circuit breaker (6) outside is arranged at, its feature exists
In, in addition to：
Linkage structure (3), is installed on the breaker, and one end is linked with the handle (1), and the other end can be in the handle
(1) moving armature (4) of permanent magnet mechanism is driven to depart from closing position under drive；
Movable part (2), can be abutted with the linkage structure (3) so that the handle (1) can not drive the linkage structure (3) to transport
It is dynamic；
Bias piece, its biasing force makes the movable part (2) maintain to abut state with the linkage structure (3).
2. a kind of tripping mechanism of permanent magnet type breaker according to claim 1, it is characterised in that：The linkage structure
(3) rotate and link with the handle (1).
3. a kind of tripping mechanism of permanent magnet type breaker according to claim 2, it is characterised in that：The movable part (2)
On be installed with fixture block, the linkage structure (3) and form the neck (31) being caught in suitable for the fixture block, the fixture block is described
It is caught in the presence of biasing force in the neck (31) and makes the handle (1) that the linkage structure (3) can not be driven to move.
4. a kind of tripping mechanism of permanent magnet type breaker according to claim 3, it is characterised in that：The neck (31) into
On the perisporium of one end that type links in the linkage structure (3) and the handle (1).
5. a kind of tripping mechanism of permanent magnet type breaker according to claim 4, it is characterised in that：Neck (31) bag
Include the first side wall (311) abutted respectively with the opposite sides of fixture block and second sidewall (312).
6. the tripping mechanism of the permanent magnet type breaker according to any one of claim 2-5, it is characterised in that the linkage
Structure (3) includes：
First rotating shaft (32), is rotatably installed on the Shell of circuit breaker (6), and one end and the handle (1) are affixed；
Second rotating shaft (32), one end is rotatably installed on the permanent magnet mechanism and is provided with can tilt institute in rotation process
The first goods of furniture for display rather than for use (34) of the moving armature (4) of permanent magnet mechanism is stated, the other end is by moving transformational structure (35) and described first
The other end connection of rotating shaft (32).
7. the tripping mechanism of permanent magnet type breaker according to claim 6, it is characterised in that:The motion transformational structure
(35) include：
Cam (351), rotates the one end for the remote handle (1) for being installed on the first rotating shaft (32) in linkage；
Second goods of furniture for display rather than for use, is fixedly installed in one end of remote first goods of furniture for display rather than for use (34) of second rotating shaft (32), and along described
Second rotating shaft (32) are radially extended, and second goods of furniture for display rather than for use drives described second turn under the promotion of the cam (351)
Axle (32) is rotated.
8. the tripping mechanism of permanent magnet type breaker according to claim 7, it is characterised in that second goods of furniture for display rather than for use is also wrapped
Include：
Swing rod (352), is fixedly installed in one end of remote first goods of furniture for display rather than for use (34) of second rotating shaft (32), and along described
Second rotating shaft (32) are radially extended；
Roller (353), is installed on the one end of the swing rod (352) away from second rotating shaft (32), can be with the cam (351)
Rotate contact.
9. the tripping mechanism of permanent magnet type breaker according to claim 7, it is characterised in that:The first rotating shaft (32) can
It is axially moved in through hole.
10. a kind of permanent magnet type breaker, it is characterised in that：Including being used for forever described in any one in the claims 1 to 8
The tripping mechanism of magnetic-type breaker.
11. a kind of switch cubicle, it is characterised in that：Including being used for permanent magnet type breaker described in any one in claim 1 to 8
Tripping mechanism, and the handle (1) is arranged at switch cabinet body (5) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670480.6A CN107293455B (en) | 2017-08-08 | 2017-08-08 | Tripping mechanism of permanent magnet circuit breaker, permanent magnet circuit breaker and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670480.6A CN107293455B (en) | 2017-08-08 | 2017-08-08 | Tripping mechanism of permanent magnet circuit breaker, permanent magnet circuit breaker and switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107293455A true CN107293455A (en) | 2017-10-24 |
| CN107293455B CN107293455B (en) | 2019-12-10 |
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ID=60105467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670480.6A Active CN107293455B (en) | 2017-08-08 | 2017-08-08 | Tripping mechanism of permanent magnet circuit breaker, permanent magnet circuit breaker and switch cabinet |
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| Country | Link |
|---|---|
| CN (1) | CN107293455B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109659200A (en) * | 2018-12-24 | 2019-04-19 | 昆山瑞普电气有限公司 | Magneto magnetic keeps blocking mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107293455B (en) | 2019-12-10 |
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