CN104715964B - A kind of single-pole vacuum circuit breaker - Google Patents
A kind of single-pole vacuum circuit breaker Download PDFInfo
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- CN104715964B CN104715964B CN201510143132.4A CN201510143132A CN104715964B CN 104715964 B CN104715964 B CN 104715964B CN 201510143132 A CN201510143132 A CN 201510143132A CN 104715964 B CN104715964 B CN 104715964B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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Abstract
The invention belongs to power system primary cut-out equipment technical field, specifically related to a kind of single-pole vacuum circuit breaker, including pole, vacuum interrupter is provided with pole, static contact and moving contact are provided with vacuum extinction room, moving contact is connected with insulated tension pole, also include control insulated tension pole movement, realize the operating mechanism of divide-shut brake, operating mechanism includes, the power transmission shaft being connected with insulated tension pole, and the permanent magnet mechanism of control power transmission shaft movement, the switching winding of permanent magnet mechanism obtains electric during electronic separating brake, dynamic iron core pulls power transmission shaft and insulated tension pole to make breaker open operation in driving permanent magnet mechanism, when breaker is in gate-dividing state, permanent magnet mechanism closing coil obtains electric, dynamic iron core promotes power transmission shaft and insulated tension pole to make breaker closing in driving permanent magnet mechanism.Replace using spring structure realizing divide-shut brake process in conventional circuit breaker by permanent magnet mechanism, make breaker overall structure simply, occupy little space, mechanical life often, dependable performance.
Description
Technical field
The present invention relates to a kind of single-pole vacuum circuit breaker, belong to power system primary cut-out equipment technical field.
Background technology
Load current that outdoor high-voltage vacuum breaker is mainly used in cut-offfing, close in power system, overload current and short
Road electric current；Suitable for the control and protection of power system, it is most widely used in urban power distribution network and rural power grids, high pressure vacuum open circuit
Device equipment developed recently trend is increasing energy-conserving and environment-protective, the simplification of reinforcement structure, the reliability of operation, non-maintaining switchgear
Aspect is developed；Wherein core be point, the efficient of switch-on operating mechanism, safety and reliability running.
At present, domestic high-pressure vacuum breaker mostly uses three pole common box types, and the structure of three-pole breaker includes conduction
Loop, arc-chutes and spring operating mechanism, wherein spring operating mechanism are usually electric energy-stored, electronic divide-shut brake, have simultaneously
Manual function；Total is passed by switching-in spring, energy-storage system, splitting or integrating brake system, overcurrent release, divide-shut brake coil, connecting rod
Dynamic to wait part composition, whole mechanism is complicated, subassembler's sequence is more, and volume is big, service life is shorter, easily breaks down, and
And this breaker can only realize three poles while throwing, tangent line road, it is impossible to which independent split-phase is thrown, tangent line road, it is impossible to be applied to single-phase
In the power systems such as main railway, common electricity consumption.
Consolidate in order to solve the above technical problems, Chinese patent literature CN202258991 discloses a kind of single-phase single-pole indoor railway
Sealed pole formula vacuum circuit breaker, including operating mechanism, transformer, pole, provided with biography between operating mechanism and pole
Dynamic structure includes insulated tension pole, upper connecting lever and lower connecting lever, insulated tension pole left end and transmission with power structure, the described power structure that subtracts is subtracted
Structure driven is connected, and one end of the right-hand member of insulated tension pole and upper connecting lever and lower connecting lever is hinged, and the other end of lower connecting lever is fixed on
On conductive support, the other end of upper connecting lever is slidably disposed on dynamic in the vertical slot that conductive support is opened and with pole
Contact transmission is conductively connected.In making process, pull bar is moved right, and push pedal rotation, insulation are hauled in the presence of support connecting lever
Pull bar is moved right, and drive subtracts power structure motion by what upper connecting lever, lower connecting lever were constituted, and pushing drawing rod is moved upwards, so as to compress
Excess of stroke stage clip makes the dynamic/static contact face in arc-chutes fully overlap, and major loop is in connection status.On the contrary, when pull bar is moved to the left
When, gate-dividing state is realized, major loop is off.
Single-phase vacuum circuit breaker disclosed in above-mentioned patent document, by being provided with transmission between operating mechanism and pole
Structure and subtract power structure and realize the separating brake of single-phase circuit breaker, making process, but the increased power of subtracting structure and drive mechanism make entirely
The volume of breaker is larger, and space-consuming is big when using；The structure of whole operation mechanism still uses link transmission structure simultaneously
Realize, the part of operating mechanism is more, complicated, is not easy to fabricate and assembles, follow-up I＆M, open circuit
The whole service life of device is short.
The content of the invention
Therefore, the technical problems to be solved by the invention be single-phase vacuum circuit breaker in the prior art it is complicated,
The short defect of service life, so as to provide a kind of single-pole vacuum circuit breaker simple in construction, service life length.
Therefore, the present invention, which is provided in a kind of single-pole vacuum circuit breaker, including pole, the pole, is provided with vacuum
Static contact and moving contact are provided with arc-chutes, the vacuum extinction room, the moving contact is connected with insulated tension pole, in addition to control
The insulated tension pole movement, realizes the operating mechanism of divide-shut brake, it is characterised in that：The operating mechanism includes, with the insulation
The power transmission shaft of pull bar connection, and the permanent magnet mechanism that the control power transmission shaft is moved, point of permanent magnet mechanism during electronic separating brake
Brake cable circle obtains electric, and dynamic iron core pulls the power transmission shaft and the insulated tension pole to make at breaker open operation, breaker in permanent magnet mechanism
When gate-dividing state, the permanent magnet mechanism closing coil obtains electric, and dynamic iron core promotes the power transmission shaft and described exhausted in permanent magnet mechanism
Edge pull bar makes breaker closing.
A kind of above-mentioned single-pole vacuum circuit breaker, the pole is fixed on the outside of casing by connecting plate, described
Operating mechanism is fixed on the inner side of the casing by the connecting plate.
A kind of above-mentioned single-pole vacuum circuit breaker, the permanent magnet mechanism is fixed on the connecting plate by permanent magnetism fixed plate
On.
A kind of above-mentioned single-pole vacuum circuit breaker, the operating mechanism also includes tripping spring, described tripping spring one end
It is hooked on the axle fixed with the power transmission shaft, the other end is hooked in the permanent magnetism fixed plate being fixedly connected with the permanent magnet mechanism
On.
A kind of above-mentioned single-pole vacuum circuit breaker, the operating mechanism also includes manual brake separating mechanism, the manual brake separating
Mechanism includes, and is rotatably connected at the separating brake rotating shaft on the casing, on the outside of the casing and is fixedly connected on described
Cursor is fixedly connected with manual brake separating handle in separating brake rotating shaft, the separating brake rotating shaft, the power transmission shaft is correspondingly arranged on
Flange, and the separating brake back-moving spring for making the cursor be separated with the flange；The separating brake rotating shaft is described manual
Rotation under the pulling of separating brake handle, drives the cursor to be pressed against on the flange, and breaker open operation unclamps described manual point
After lock handle, in the presence of the separating brake back-moving spring, the cursor is separated with the flange, and manual brake separating handle resets
To closing position.
A kind of above-mentioned single-pole vacuum circuit breaker, the separating brake back-moving spring is extension spring, and its one end is hooked in the permanent magnetism and consolidated
On the first pin in fixed board, the other end is hooked on the cursor.
A kind of above-mentioned single-pole vacuum circuit breaker, in addition to for detecting the testing agency of circuit-breaker switching on-off position, its
Including the driver plate being arranged on the power transmission shaft, and it is located at driver plate both sides respectively and is set along the power transmission shaft moving direction
The travel switch put, the travel switch is installed in the permanent magnetism fixed plate.
A kind of above-mentioned single-pole vacuum circuit breaker, the two ends of the insulated tension pole are embedded with connecting bolt respectively, one end with
The moving contact threaded connection, the other end, which is threadedly connected on axle, the axle other end outer wall, is arranged pull bar and by the second pin
Connection, the pull bar other end is fixedly connected with the power transmission shaft.
A kind of above-mentioned single-pole vacuum circuit breaker, the axle is provided with strip shaped pin hole vertically, and the pull bar can be along institute
State strip shaped pin hole to move relative to the axle, be additionally provided with compression spring between the pull bar and the insulated tension pole end, institute
Stating the initial elastic force of compression spring makes second pins position in the least significant end of the strip shaped pin hole.
A kind of above-mentioned single-pole vacuum circuit breaker, the pull bar is connected with the power transmission shaft by adjusting screw rod, described to adjust
Section screw rod one end is connected with the pull rod screw, and the other end radially opens up through hole, and the axle leads to through the adjusting screw rod
Hole, and pass radially through the power transmission shaft and achieve a fixed connection.
A kind of single-pole vacuum circuit breaker that the present invention is provided, has following compared with single-pole vacuum circuit breaker in the prior art
Advantage：
(1) a kind of single-pole vacuum circuit breaker that the present invention is provided, controls power transmission shaft to move disconnected to realize by permanent magnet mechanism
The switching winding of the permanent magnet mechanism obtains electric during the divide-shut brake, i.e. electronic separating brake of road device, the magnetic produced by the exciting current of coil
Direct drive permanent magnet mechanism dynamic iron core pulls the power transmission shaft and insulated tension pole movement, make the moving contact with it is described quiet
Contact disjunction, breaker open operation, when breaker is in gate-dividing state, the permanent magnet mechanism closing coil obtains electric, by encouraging for coil
The raw magnetic field direct drive permanent magnet mechanism dynamic iron core of magnetoelectricity miscarriage promotes the power transmission shaft and insulated tension pole movement, makes described
Moving contact is contacted with the static contact, breaker closing.Permanent magnet mechanism instead of in conventional circuit breaker using spring structure realization
Without setting force-reducing mechanism of the prior art and complicated jointed gear unit again in divide-shut brake process, breaker, make open circuit
Device overall structure is simple, simple to operate, mechanical life often, dependable performance, reduce the generation of failure, improving breaker makes
Use the life-span.
(2) a kind of single-pole vacuum circuit breaker that the present invention is provided, pole is fixed on the outside of casing by connecting plate,
The operating mechanism is fixed on the inner side of the casing by the connecting plate.The casing is by the pole of breaker and behaviour
Linked into an integrated entity as mechanism, make the overall space-consuming of breaker smaller, be easy to fabricate and assemble, carrying is also convenient for, keep away
Exempt from individually to be provided with force-reducing mechanism and transmission mechanism between pole and operating mechanism in the prior art, space-consuming is big
Defect.
(3) a kind of single-pole vacuum circuit breaker that the present invention is provided, the operating mechanism is additionally provided with tripping spring, tripping spring
One end is hooked on the axle fixed with the power transmission shaft, and the other end is hooked in the permanent magnetism being fixedly connected with the permanent magnet mechanism and fixed
On plate.During separating brake, power transmission shaft drives axial permanent magnetic mechanism direction movement release tripping spring energy, realizes separating brake；Separating brake is to conjunction
During lock transition, power transmission shaft drives to be moved axially away from permanent magnet mechanism direction, and tripping spring is stretched, and active force is applied to axle, is promoted
Enter transmission to move axially away from permanent magnet mechanism direction, accelerate the speed that moving contact is closed with static contact, realization was quickly closed a floodgate
Journey.
(4) a kind of single-pole vacuum circuit breaker that the present invention is provided, the operation structure also includes manual brake separating mechanism, described
Manual brake separating mechanism, drives the cursor in separating brake rotating shaft to be pressed against the power transmission shaft, makes transmission by pulling manual brake separating handle
The direction movement of axial permanent magnetic mechanism, realizes separating brake process；Manual brake separating handle is decontroled, will under the stretching action of back-moving spring
The cursor of separating brake rotating shaft is separated with power transmission shaft, and transmission is moved axially away from permanent magnet mechanism direction, and manual brake separating handle is reset to
Closing position.The manual brake separating mechanism of setting, to prevent when abnormal conditions or failure occurs in the electronic divide-shut brake of permanent magnet mechanism, starting
Manual brake separating mechanism carries out separating brake control to breaker, further improves the reliability of breaker, it is to avoid the generation of failure.
(5) a kind of single-pole vacuum circuit breaker that the present invention is provided, is additionally provided with the inspection for detecting circuit-breaker switching on-off position
Mechanism is surveyed, it includes the driver plate being arranged on the power transmission shaft, and respectively positioned at driver plate both sides and along the power transmission shaft
The travel switch that moving direction is set, the travel switch is installed in the permanent magnetism fixed plate.Pass through the setting of travel switch
It is easy to the working condition of long-range monitoring breaker.
(6) a kind of single-pole vacuum circuit breaker that the present invention is provided, is connected to axle, the axle is another in insulated tension pole threaded one end
Pull bar is arranged on the outer wall of one end and by the second pin connection, the pull bar other end is fixedly connected with the power transmission shaft, the axle
Be provided with strip shaped pin hole vertically, the pull bar can move along the strip shaped pin hole relative to the axle, the pull bar with
Compression spring is additionally provided between the insulated tension pole end, the initial elastic force of the compression spring makes second pins position in described
The least significant end of strip shaped pin hole.In separating brake, the second least significant end of the pin in strip shaped pin hole, power transmission shaft movement drives pull bar to move
Dynamic, active force is applied directly on the axle that insulated tension pole end is provided with by pull bar, and then makes moving contact and static contact disjunction, is realized
Separating brake；During combined floodgate, power transmission shaft movement make pull bar in pin-and-hole relative axle move, to compression spring apply pressure, compression spring by
Acted on after pressure on insulated tension pole, while when pull bar is moved to box end to insulated tension pole also applying power, dual effect
Power is applied on insulated tension pole, moving contact is quickly contacted with static contact, is realized and is closed a floodgate.
Brief description of the drawings
Fig. 1 is a kind of structural representation for single-pole vacuum circuit breaker that embodiment 1 is provided.
Fig. 2 is a kind of partial structural diagram for single-pole vacuum circuit breaker that embodiment 1 is provided.
Fig. 3 is that a kind of pole for single-pole vacuum circuit breaker that embodiment 1 is provided and insulated tension pole assembling structure are illustrated
Figure.
Fig. 4 is a kind of contour structures left view for single-pole vacuum circuit breaker that this implementation 1 is provided.
Fig. 5 is a kind of contour structures front view for single-pole vacuum circuit breaker that this implementation 1 is provided.
Mark is expressed as in figure：Outlet under 1- casings, 2- manual brake separating handles, 3- poles, the upper outlet terminals of 4-, 5-
Seat, 6- current transformers, 7- permanent magnet mechanisms, 8- permanent magnetism fixed plates, 9- separating brake rotating shafts, 91- cursors, 10- separating brake back-moving springs,
11- guide holders, 12- insulated tension poles, 121- axles, 13- vacuum interrupters, 131- static contacts, 132- moving contacts, 14- connecting plates,
15- travel switches, 16- axles, 17- tripping springs, 18- power transmission shafts, 181- flanges, 19- pull bars, 20- conductive clips, 21- regulation spiral shells
Bar, 22- driver plates, 23- first sells, 24- compression springs.
Embodiment
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment, which provides a kind of single-pole vacuum circuit breaker, includes pole 3, the sealing pole
It is provided with post 3 in vacuum interrupter 13, the vacuum interrupter 13 and is provided with static contact 131 and moving contact 132, the moving contact
132 are connected with insulated tension pole 12, in addition to control the insulated tension pole 12 to move, and realize the operating mechanism of divide-shut brake, the behaviour
Include as mechanism, the power transmission shaft 18 being connected with the insulated tension pole 12, and the permanent magnet mechanism that the control power transmission shaft 18 is moved
7, the switching winding of the permanent magnet mechanism 7 obtains electric during electronic separating brake, and dynamic iron core pulls the power transmission shaft 18 and institute in permanent magnet mechanism 7
Stating insulated tension pole 12 makes breaker open operation, and when breaker is in gate-dividing state, the closing coil of permanent magnet mechanism 7 obtains electric, permanent magnetism
Dynamic iron core promotes the power transmission shaft 18 and the insulated tension pole 12 to make breaker closing in mechanism 7.
The single-pole vacuum circuit breaker of said structure, breaker is realized by using permanent magnet mechanism control power transmission shaft 18 movement
Divide-shut brake, i.e. electronic separating brake when the permanent magnet mechanism 7 switching winding obtain electric, by coil exciting current produce magnetic field it is straight
Connecing dynamic iron core in driving permanent magnet mechanism 7 pulls the power transmission shaft 18 and the insulated tension pole 12 to move, make the moving contact 132 with
The disjunction of static contact 131, breaker open operation, when breaker is in gate-dividing state, the closing coil of permanent magnet mechanism 7 obtains electric,
The magnetic field produced by the exciting current of coil directly drives dynamic iron core in permanent magnet mechanism 7 and promotes the power transmission shaft 18 and the insulation
Pull bar 12 is moved, and the moving contact 132 is contacted with the static contact 131, breaker closing.Permanent magnet mechanism 7 instead of tradition
Force-reducing mechanism of the prior art need not be set again and multiple by being realized in breaker using spring structure in divide-shut brake process, breaker
Miscellaneous jointed gear unit, makes that breaker overall structure is simple, occupy little space, simple to operate, mechanical life often, performance
Reliably, the generation of failure is reduced, the service life of breaker is improved.
Specifically, the pole 3 is fixed on the outside of casing 1 by connecting plate 14, and the operating mechanism passes through institute
State the inner side that connecting plate 14 is fixed on the casing 1.The overall space-consuming of breaker is smaller, is easy to fabricate and assembles,
Install or carry and facilitate.
Further, the permanent magnet mechanism 7 is fixed on the connecting plate 14 by permanent magnetism fixed plate 8, make permanent magnet mechanism 7 with
The casing 1 is fixedly connected, wherein, the permanent magnetism fixed plate 8 is on the whole "Ji" type, and it includes and the permanent magnet mechanism 7
The bottom plate of threaded connection, the top plate being threadedly coupled with the connecting plate 14, and be connected between the top plate and the bottom plate
Two side walls, wherein, power transmission shaft 18 is arranged in the space between two side walls, and compact conformation, transmission stability is good.More
Body, the two side, side wall is provided with the first pin 23 for being used for fixing the separating brake back-moving spring 10, opposite side wall and set
Have and offered on the screwed hole for being fixedly connected with the travel switch 15, the bottom plate suitable for leading to that the power transmission shaft 18 is passed through
Hole.Further, guide holder 11 is provided with the both sides of power transmission shaft 18, the guide holder 11 is fixedly connected on the connecting plate
On 14.
The operating mechanism also includes manual brake separating mechanism, and the manual brake separating mechanism includes, and is rotatably connected at institute
The separating brake rotating shaft 9 on casing 1 is stated, positioned at the outside of casing 1 and the manual brake separating hand being fixedly connected in the separating brake rotating shaft 9
Cursor 91 is fixedly connected with handle 2, the separating brake rotating shaft 9, the power transmission shaft 18 is correspondingly arranged on flange 181, and is used for
The separating brake back-moving spring 10 for making the cursor 91 be separated with the flange 181；The separating brake rotating shaft 9 is in the manual brake separating hand
Rotation under the pulling of handle 2, drives the cursor 91 to be pressed against on the flange 181, and breaker open operation unclamps described manual point
After lock handle 2, in the presence of the separating brake back-moving spring 10, the cursor 91 is separated with the flange 181, manual brake separating
Handle 2 resets to closing position.The manual brake separating mechanism of setting, to prevent there are abnormal conditions when the electronic divide-shut brake of permanent magnet mechanism 7
Or during failure, start manual brake separating mechanism and the separating brake of breaker is controlled, i.e., electronic divide-shut brake and manual brake separating mechanism
Dual control mechanism, to control the divide-shut brake of breaker, further improves the reliability of breaker, it is to avoid the generation of failure,
Improve the service life of breaker.
Specifically, the separating brake back-moving spring 10 preferably is extension spring, and its one end is hooked in the permanent magnetism fixed plate 8
On first pin 23, the other end is hooked on the cursor 91.Whole manual brake separating mechanism is arranged in the permanent magnetism fixed plate 8
Side, makes whole operation mechanism structure compact, stable transmission.
More preferably, the operating mechanism also includes the testing agency for being used to detect circuit-breaker switching on-off position, and it includes setting
The driver plate 22 being placed on the power transmission shaft 18, and it is located at the both sides of driver plate 22 respectively and along the moving direction of power transmission shaft 18
The travel switch 15 of setting, the travel switch 15 is installed in the permanent magnetism fixed plate 8.The setting of travel switch 15 is easy to far
The working condition of journey monitoring breaker.
As shown in figure 3, the two ends of the insulated tension pole 12 are embedded with connecting bolt, one end and the moving contact 132 respectively
Threaded connection, the other end, which is threadedly connected on axle 121, the other end outer wall of axle 121, to be arranged pull bar 19 and is connected by the second pin
Connect, the other end of pull bar 19 is fixedly connected with the power transmission shaft 18.Specifically, preferably set vertically in the axle 121
Have strip shaped pin hole, the pull bar 19 can be moved along the strip shaped pin hole relative to the axle 121, the pull bar 19 with it is described
Compression spring 24 is additionally provided between the end of insulated tension pole 12, the initial elastic force of the compression spring 24 makes second pins position in institute
State the least significant end of strip shaped pin hole.Specifically, the compression spring 24 is set in the pull bar 19 and the end of insulated tension pole 12
On axle 121 between portion, the two ends of compression spring 24 are fixed by spring base.In separating brake, the second pin is in strip shaped pin hole
Least significant end, the movement of power transmission shaft 18 drives pull bar 19 to move, and active force is applied directly to the end of insulated tension pole 12 and is provided with by pull bar 19
Axle 121 on, and then make moving contact 132 and the disjunction of static contact 131, realize separating brake；During combined floodgate, the movement of power transmission shaft 18 makes pull bar 19
Relative axle 121 is moved in pin-and-hole, applies pressure to compression spring 24, and compression spring 24 acts on insulated tension pole 12 after being pressurized
On, while when pull bar 19 is moved to box end to insulated tension pole 12 also applying power, dual active force is applied to insulation and drawn
On bar 12, moving contact 132 is quickly contacted with static contact 131, realize and close a floodgate.
In order to promote moving contact 132 and the quick division of static contact 131 in breaker, the operating mechanism is additionally provided with separating brake
Spring 17, one end of tripping spring 17 is hooked on the axle 16 fixed with the power transmission shaft 18, and the other end is hooked in and the permanent magnet mechanism 7
In the permanent magnetism fixed plate 8 being fixedly connected.During separating brake, power transmission shaft 18 divides with moving axis 16 to the movement compression of the direction of permanent magnet mechanism 7
Lock spring 17, tripping spring 17 releases energy, and realizes separating brake；Separating brake is to during combined floodgate transition, and power transmission shaft 18 is with moving axis 16 to remote
The direction of permanent magnet mechanism 7 is moved, and tripping spring 17 is stretched, and active force is applied to axle 16, promotes power transmission shaft 18 to away from permanent magnetic motor
The direction of structure 7 is moved, and is accelerated the speed that moving contact 132 is closed with static contact 131, is realized quick making process.
Further, it is connected in the pull bar 19 with the power transmission shaft 18 by adjusting screw rod 21, the adjusting screw rod 21 1
End is threadedly coupled with the pull bar 19, and the other end radially opens up through hole, and the axle 16 passes through the through hole of the adjusting screw rod 21,
And pass radially through the power transmission shaft 18 and achieve a fixed connection.
As shown in Figure 4 and Figure 5, the upside of static contact 131 is provided with upper outlet terminal 4, and the downside of moving contact 132 is provided with
Lower wire end, lower wire outlet seat 5 of lower wire end through being fixed on the pole 3, is connected to outside the pole 3
Current transformer 6；More specifically, hollow conductive pole is set between the moving contact 132 and the insulated tension pole 12, it is described
Bolt built in the end of insulated tension pole 12 is threadedly connected to the moving contact 132 through the hollow conductive pole, on conductive pole also
Be arranged and conductive clip 20 and be flexible coupling, the conductive clip 20 be threadedly connected to it is described be flexible coupling, lower wire end is through described soft
Connection, with the lower wire outlet seat 5 for being flexible coupling and being fixedly connected, be connected to the current transformer 6.
Embodiment 2
The present embodiment provides a kind of vacuum circuit breaker, and the difference with embodiment 1 is：The power transmission shaft 18 is radially provided with
Through hole, the axle 16 passes through the through hole of the power transmission shaft 18, realizes being fixedly connected for the power transmission shaft 18 and axle 16.Certainly other
Be fixedly connected with mode, for example the axle 16 and the power transmission shaft 18 are radially fixed using pin or this bolt connection,
As long as the power transmission shaft 18 is fixedly connected with axle 16, drives the axle 16 to move under the movement of power transmission shaft 18, stretch or press
Contracting is hooked on tripping spring 17 on the axle 16, and other for realizing the quick divide-shut brake process of breaker are fixedly connected with mode i.e.
Can.
Embodiment 3
The present embodiment provides a kind of vacuum circuit breaker, and the difference with embodiment 1 is：The threaded one end of insulated tension pole 12
The axle 121 of connection, is directly fixedly connected on the power transmission shaft 18, it can be connected by screw bolts, pin connection etc. it is various solid
Determine connected mode.Directly drive the insulated tension pole 12 to move under the axial movement of power transmission shaft 18, make the moving contact 132
With the division of static contact 131, the divide-shut brake process of breaker is realized.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.For
For those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus extended out
Among the dynamic protection domain created still in the utility model.
Claims (9)
1. vacuum interrupter (13) is provided with a kind of single-pole vacuum circuit breaker, including pole (3), the pole (3),
Static contact (131) and moving contact (132), the moving contact (132) and insulated tension pole are provided with the vacuum interrupter (13)
(12) connect, in addition to control the insulated tension pole (12) mobile, realize the operating mechanism of divide-shut brake, it is characterised in that：It is described
Operating mechanism includes, the power transmission shaft (18) being connected with the insulated tension pole (12), and control power transmission shaft (18) movement
Permanent magnet mechanism (7), the switching winding of the permanent magnet mechanism (7) obtains electric during electronic separating brake, and the interior dynamic iron core of permanent magnet mechanism (7) pulls institute
Stating power transmission shaft (18) and the insulated tension pole (12) makes breaker open operation, when breaker is in gate-dividing state, the permanent magnet mechanism
(7) closing coil obtains electric, and the interior dynamic iron core of permanent magnet mechanism (7) promotes the power transmission shaft (18) and the insulated tension pole (12) to make open circuit
Device closes a floodgate；
Also include manual brake separating mechanism, the manual brake separating mechanism includes, and is rotatably connected at the separating brake rotating shaft on casing (1)
(9), positioned at the casing (1) outside and the manual brake separating handle (2) being fixedly connected on the separating brake rotating shaft (9), described point
Cursor (91) is fixedly connected with lock rotating shaft (9), the power transmission shaft (18) is correspondingly arranged on flange (181), and for making
The separating brake back-moving spring (10) that the cursor (91) separates with the flange (181)；The separating brake rotating shaft (9) is described manual
Rotation under the pulling of separating brake handle (2), drives the cursor (91) to be pressed against on the flange (181), breaker open operation, pine
Open after the manual brake separating handle (2), in the presence of the separating brake back-moving spring (10), the cursor (91) with it is described convex
Edge (181) is separated, and manual brake separating handle (2) resets to closing position.
2. single-pole vacuum circuit breaker according to claim 1, it is characterised in that：The pole (3) passes through connecting plate
(14) outside of casing (1) is fixed on, the operating mechanism is fixed on the interior of the casing (1) by the connecting plate (14)
Side.
3. single-pole vacuum circuit breaker according to claim 2, it is characterised in that：The permanent magnet mechanism (7) is solid by permanent magnetism
Fixed board (8) is fixed on the connecting plate (14).
4. according to any described single-pole vacuum circuit breakers of claim 1-3, it is characterised in that：The operating mechanism also includes dividing
Lock spring (17), described tripping spring (17) one end is hooked on the axle (16) fixed with the power transmission shaft (18), and the other end is hooked in
On the permanent magnetism fixed plate (8) being fixedly connected with the permanent magnet mechanism (7).
5. the single-pole vacuum circuit breaker according to any one of claim 1-3, it is characterised in that：The separating brake back-moving spring
(10) it is extension spring, its one end is hooked on the first pin (23) on the permanent magnetism fixed plate (8), and the other end is hooked in the cursor
(91) on.
6. single-pole vacuum circuit breaker according to claim 3, it is characterised in that：Also include being used to detect circuit-breaker switching on-off
The testing agency of position, it includes the driver plate (22) being arranged on the power transmission shaft (18), and is located at driver plate respectively
(22) both sides and the travel switch (15) set along the power transmission shaft (18) moving direction, the travel switch (15) are installed on institute
State in permanent magnetism fixed plate (8).
7. according to a kind of any described single-pole vacuum circuit breakers of claim 1-3, it is characterised in that：The insulated tension pole (12)
Two ends be embedded with connecting bolt respectively, one end is threadedly coupled with the moving contact (132), and the other end is threadedly connected to axle
(121) pull bar (19), is arranged on axle (121) other end outer wall and by the second pin connection, pull bar (19) other end
It is fixedly connected with the power transmission shaft (18).
8. a kind of single-pole vacuum circuit breaker according to claim 7, it is characterised in that：The axle (121) sets vertically
There is strip shaped pin hole, the pull bar (19) can be mobile relative to the axle (121) along the strip shaped pin hole, in the pull bar (19)
It is additionally provided with compression spring (24) between the insulated tension pole (12) end, the initial elastic force of the compression spring (24) makes described
Second pins position is in the least significant end of the strip shaped pin hole.
9. a kind of single-pole vacuum circuit breaker according to claim 7, it is characterised in that：The pull bar (19) and the transmission
Axle (18) is connected by adjusting screw rod (21), and described adjusting screw rod (21) one end is threadedly coupled with the pull bar (19), the other end
Through hole is radially opened up, the axle (16) passes through the through hole of the adjusting screw rod (21), and passes radially through the power transmission shaft
(18) achieve a fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143132.4A CN104715964B (en) | 2015-03-30 | 2015-03-30 | A kind of single-pole vacuum circuit breaker |
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| CN201510143132.4A CN104715964B (en) | 2015-03-30 | 2015-03-30 | A kind of single-pole vacuum circuit breaker |
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| CN104715964B true CN104715964B (en) | 2017-08-01 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161352A (en) * | 2015-09-23 | 2015-12-16 | 陕西西高开关有限责任公司 | Novel high-voltage circuit breaker |
| CN105406595A (en) * | 2015-11-27 | 2016-03-16 | 宁波三星医疗电气股份有限公司 | Split-type intelligent switch for distribution network |
| CN108962667B (en) * | 2018-07-05 | 2023-09-15 | 山东正本电气有限公司 | High-voltage bistable side-driven high-speed vacuum circuit breaker |
| CN108597949B (en) * | 2018-07-11 | 2023-12-08 | 吉林省固和泰机械有限责任公司 | Vacuum drop-out switch |
| CN109036952B (en) * | 2018-08-29 | 2024-04-16 | 浙江紫光电器有限公司 | Switching brake accelerating mechanism of vacuum circuit breaker |
| CN109859983A (en) * | 2018-12-29 | 2019-06-07 | 国网河南省电力公司新乡供电公司 | A kind of 10 KV hot-line work arc-extinction devices |
| CN110634716B (en) * | 2019-08-20 | 2022-06-07 | 江苏省如高高压电器有限公司 | Single-stage circuit breaker |
| CN111477519B (en) * | 2020-04-27 | 2022-03-04 | 上海振能信息科技有限公司 | Vacuum circuit breaker |
| CN112447440A (en) * | 2020-11-10 | 2021-03-05 | 安徽合凯电气科技股份有限公司 | Medium-voltage zero-crossing control module |
| CN113284769B (en) * | 2021-02-05 | 2022-02-25 | 安徽一天电气技术股份有限公司 | Circuit breaking mechanism and circuit breaker applying same |
| CN117476396B (en) * | 2023-12-14 | 2024-05-03 | 北京昊创瑞通电气设备股份有限公司 | Quick operating mechanism for pole-mounted circuit breaker and pole-mounted circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008023502B4 (en) * | 2008-05-13 | 2010-06-17 | Siemens Aktiengesellschaft | Vacuum interrupter |
| CN101615524B (en) * | 2009-07-22 | 2012-05-30 | 南京因泰莱配电自动化设备有限公司 | Single phase permanent magnetic mechanism for vacuum circuit breaker |
| CN104465209B (en) * | 2014-11-11 | 2017-09-22 | 安徽宇腾真空电气有限责任公司 | Quick box permanent magnetism monopole vacuum contactor |
| CN204230148U (en) * | 2014-11-21 | 2015-03-25 | 西安伯龙高铁电气有限公司 | Permanent magnet mechanism |
| CN204516677U (en) * | 2015-03-30 | 2015-07-29 | 浙江华仪电器科技有限公司 | A kind of single-pole vacuum circuit breaker |
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