CN206460902U - The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker - Google Patents

The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker Download PDF

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Publication number
CN206460902U
CN206460902U CN201720048164.0U CN201720048164U CN206460902U CN 206460902 U CN206460902 U CN 206460902U CN 201720048164 U CN201720048164 U CN 201720048164U CN 206460902 U CN206460902 U CN 206460902U
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CN
China
Prior art keywords
breaker
buffer unit
voltage alternating
outdoor high
current vacuum
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Expired - Fee Related
Application number
CN201720048164.0U
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Chinese (zh)
Inventor
赵永和
苏艳刚
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ZHEJIANG JULI ELECTRICAL CO Ltd
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ZHEJIANG JULI ELECTRICAL CO Ltd
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Priority to CN201720048164.0U priority Critical patent/CN206460902U/en
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Publication of CN206460902U publication Critical patent/CN206460902U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides the buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker, buffer unit, including buffer unit and motion converting member, the motion of moving contact in vacuum circuit breaker is converted into motion of the buffer unit along its own axis by motion converting member.Breaker, including circuit breaker case is provided with drive rod and limited block in box of the circuit breaker body, driving boom end connection wedge, buffer unit is fixedly connected with circuit breaker case, and limited block is arranged at the bottom of circuit breaker case, for positioning buffer unit.The utility model is simple in construction, small volume, on the basis of existing product contour structure size is not changed, and can be directly mounted at the type outdoor high-voltage alternating-current vacuum breakers of ZW32 12 or has on the breaker also required that, is conducive to versatility and the miniaturization of product;Because oil bumper is better than rubber buffer effect, after the device, the separating brake bounce-back of breaker meets the characteristic requirements of breaker with overshoot amplitude.

Description

The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker
Technical field
The utility model belongs to high-voltage switch gear technical field, and in particular to a kind of outdoor high-voltage alternating-current vacuum breaker it is slow Flushing device and its breaker.
Background technology
With the rapid propulsion of Distributing Network Automation, Power System Reliability and it is intelligentized require more and more higher, break Road device carries the vital task of control and protection as one of power system visual plant.Because the usage amount of breaker is big, Wide, frequent operation, its reliability is constantly subjected to extensive concern.It is that breaker is realizing sub-switching operation mistake that contact, which is overshooted with bounce-back, The damped motion being difficult to avoid that moving contact occurs in journey, bounce-back amplitude is smaller, and separating brake action is more reliable;Amplitude is bigger, is opening When disconnected short circuit current flow or switched capacitor group, phenomenon of restriking easily is produced;Overshoot amplitude bigger, the infringement to arc extinguishing chamber bellows Also it is more serious, vacuum interrupter service life is reduced, such contact overshoot and bounce-back amplitude size, which turn into, weighs breaker performance An important symbol.
ZW32-12 types outdoor high-voltage alternating-current vacuum breaker generally using rubber buffer method solve separating brake bounce-back and Overshoot can not meet the characteristic requirements of breaker, and many designing units and manufacturer in breaker by installing oily buffering additional The method of device, reduces separating brake bounce-back and the overshoot amplitude of breaker, meets the characteristic requirements of breaker.Such as patent announcement number The brake separating buffer device that a kind of pole-mounted circuit breaker use can be horizontally mounted is disclosed for CN205194613U.The intellectuality of current China is matched somebody with somebody Using permanent magnetism and the ZW32-12 type outdoor high-voltage alternating-current vacuum breakers of spring dual-mechanism more than grid power system, do not changing In the case of existing product volume, limited by space, the brake separating buffer device being horizontally mounted has no idea to realize, increases breaker Volume solves separating brake bounce-back and overshooting problem, brings influence to the versatility of product and miniaturization, is not changing outside existing product There is provided a kind of ZW32-12 type outdoor high-voltage alternating current vacuum available for permanent magnetism and spring dual-mechanism on the basis of shape physical dimension Breaker splitting lock cushioning device is extremely urgent.
Utility model content
There is provided a kind of buffering of outdoor high-voltage alternating-current vacuum breaker dress in view of the shortcomings of the prior art for the utility model Put, the device is using being slidably connected, and vertically arranged mode, simple in construction, small volume is not changing existing product contour structures On the basis of, it can be directly mounted at the ZW32-12 types outdoor high-voltage alternating-current vacuum breaker of permanent magnetism and spring dual-mechanism or have same On the breaker of sample requirement.
Specifically solved by the following technical programs:A kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker, Including buffer unit, the buffer unit also includes motion converting member, and the motion converting member includes connector, described slow Rush feature bottom to be fixed on the connector by thread connection, and use and be provided with rolling in the middle of nut check, the connector Wheel, the connector and the roller are connected by rotating shaft, and are arranged in fixed support groove, and the rotating shaft is provided at both ends with axle Elongated hole on set, the axle sleeve and the fixed support coordinates, and the roller end can be spacing, and the fixed support can be fixed on On the breaker, a wedge is connected with the moving contact on the breaker, when the breaker open operation, the wedge shape Inclined plane on block answers back to the roller, it is moved upwards, drives rotating shaft by the axle sleeve along along the fixed support The elongated hole is slided, and then drives the connector to be moved vertically upwards with the rotating shaft, so drive the oil bumper to Upper motion, is allowed to be compressed to play cushioning effect;When the breaker closing, the wedge is separated in the roller, institute Oil bumper is stated to set back in the presence of its own resilient and self gravitation.
In above-mentioned technical proposal, it is preferred that the buffer unit is oil bumper.
In above-mentioned technical proposal, it is preferred that the fixed support both sides are provided with symmetrical elongated hole.
In above-mentioned technical proposal, it is preferred that the U-shaped structure of fixed support.
In above-mentioned technical proposal, it is preferred that the roller end is spacing by backing pin.
In above-mentioned technical proposal, it is preferred that the connector is circular configuration.
In above-mentioned technical proposal, it is preferred that the nut is with fluted round nut.
The utility model additionally provides in a kind of breaker, including circuit breaker case, the box of the circuit breaker body and is provided with drive Lever and limited block, the driving boom end connect the wedge, and the drive rod and the moving contact on the breaker Connection, the buffer unit is fixedly connected with circuit breaker case, and the limited block is arranged at the bottom of circuit breaker case, for positioning The buffer unit, the wedge can hit the roller under the drive of drive rod in breaker open operation, make described slow Rush part and compressed and play cushioning effect, in breaker closing, the roller is separated with described wedge.
In above-mentioned Circuit breaker technology scheme, it is preferred that the vertical drive of the axis of the buffer unit in the buffer unit The direction of motion of lever.
The utility model compared with prior art, has the advantages that:The device is arranged vertically using being slidably connected Mode, simple in construction, small volume on the basis of existing product contour structure size is not changed, can be directly mounted at permanent magnetism With the ZW32-12 types outdoor high-voltage alternating-current vacuum breaker of spring dual-mechanism or have on the breaker also required that, be conducive to production The versatility of product and miniaturization;Good buffer effect due to oil bumper than rubber buffer, after the device, breaker Separating brake, which rebounds, meets the characteristic requirements of breaker with overshoot amplitude.
Brief description of the drawings
Fig. 1 be the utility model embodiment in buffer unit structural representation.
Fig. 2 be the utility model embodiment in buffer unit structural decomposition diagram.
Fig. 3 be the utility model embodiment in installation buffer unit breaker structural representation.
Fig. 4 is the breaker open operation positional structure schematic diagram in the utility model embodiment.
Fig. 5 is the breaker closing positional structure schematic diagram in the utility model embodiment.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:Referring to Fig. 1 and Fig. 2, A kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker, including buffer unit and motion converting member, the buffer unit For oil bumper 1, the motion converting member includes connector 2, and the bottom of oil bumper 1 is fixed on institute by thread connection State on connector 2, and locked with nut 3, roller 4 is provided with the middle of the connector 2, the connector 2 and the roller 4 lead to Cross rotating shaft 5 to connect, and be arranged in the groove of fixed support 6, the rotating shaft 5 is provided at both ends with axle sleeve 7, the axle sleeve 7 and described solid Elongated hole on fixed rack 6 coordinates, and the end of rotating shaft 5 can be spacing, and the fixed support 6 can be fixed on the breaker, institute State and a wedge 12 is connected with the moving contact on breaker, when the breaker open operation, the inclination on the wedge 12 The roller 4 is answered back in face, it is moved upwards, drives rotating shaft 5 by the axle sleeve 7 along the length on the fixed support 6 Hole is slided, and then drives the connector 2 to be moved vertically upwards with the rotating shaft 5, and then drives the oil bumper 1 to transport upwards It is dynamic, it is allowed to be compressed to play cushioning effect;When the breaker closing, the wedge 12 is separated in the roller, described Oil bumper 1 sets back in the presence of its own resilient and self gravitation.
The oil bumper 1 is arranged in vertical, the U-shaped structure of the fixed support 6, and its both sides is provided with symmetrically Elongated hole, the end of rotating shaft 5 is spacing by backing pin 8, and the connector 2 is circular configuration, and the nut 3 is with fluted circle Nut.
Referring to Fig. 3 to Fig. 5, a kind of breaker, including circuit breaker case 9 is provided with drive rod in the circuit breaker case 9 10 and limited block 11, the end of drive rod 10 connects the wedge 12, and the drive rod 10 with the breaker Moving contact is connected, and the buffer unit is fixedly connected with circuit breaker case 9, and the limited block 11 is arranged at the bottom of circuit breaker case 9 Portion, for positioning the buffer unit, the wedge 12 can hit institute under the drive of drive rod 10 in breaker open operation Roller 4 is stated, the buffer unit is compressed and plays cushioning effect, in breaker closing, the roller 4 and described wedge shape Block 12 is separated.
In above-mentioned Circuit breaker technology scheme, it is preferred that the vertical drive of the axis of the buffer unit in the buffer unit The direction of motion of lever 10.
The utility model is described in detail above, but the utility model be not limited to it is described herein specific Embodiment.It will be appreciated by those skilled in the art that in the case of without departing substantially from the utility model scope, can make other changes and Deformation.Protection domain of the present utility model is defined by the following claims.

Claims (9)

1. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker, including buffer unit, it is characterised in that the buffering dress Putting also includes motion converting member, and the motion converting member includes connector(2), the buffer unit bottom is joined by screw thread Connect and be fixed on the connector(2)On, and use nut(3)Locking, the connector(2)Centre is provided with roller(4), the company Joint(2)With the roller(4)Pass through rotating shaft(5)Connection, and it is arranged on fixed support(6)In groove, the rotating shaft(5)Two ends are set It is equipped with axle sleeve(7), the axle sleeve(7)With the fixed support(6)On elongated hole coordinate, the rotating shaft(5)End can be spacing, institute State fixed support(6)It can be fixed on the breaker, a wedge is connected with the moving contact on the breaker(12), when During the breaker open operation, the wedge(12)On inclined plane answer back to the roller(4), it is moved upwards, drive and turn Axle(5)Pass through the axle sleeve(7)Along the fixed support(6)On the elongated hole slide, and then drive the connector(2)With The rotating shaft(5)Vertical movement upwards, and then drive the oil bumper(1)Motion upwards, is allowed to be compressed and plays buffering work With;When the breaker closing, the wedge(12)In roller separation, the oil bumper(1)In its own resilient And set back in the presence of self gravitation.
2. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker according to claim 1, it is characterised in that:It is described slow Part is rushed for oil bumper(1).
3. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:It is described solid Fixed rack(6)Both sides are provided with symmetrical elongated hole.
4. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:It is described solid Fixed rack(6)U-shaped structure.
5. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:Described turn Axle(5)End passes through backing pin(8)It is spacing.
6. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:The company Joint(2)For circular configuration.
7. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:The spiral shell It is female(3)For with fluted round nut.
8. a kind of breaker of the buffer unit with as described in claim 1-7 any one, it is characterised in that:Including open circuit Device casing(9), the circuit breaker case(9)Inside it is provided with drive rod(10)And limited block(11), the drive rod(10)End Connect the wedge(12), and the drive rod(10)It is connected with the moving contact on the breaker, the buffer unit is consolidated Surely circuit breaker case is connected(9), the limited block(11)It is arranged at circuit breaker case(9)Bottom, for positioning the buffering Part, the wedge(12)Can be in drive rod(10)Drive under the roller is hit in breaker open operation(4), make described Buffer unit, which is compressed, plays cushioning effect, in breaker closing, the roller(4)With described wedge(12)Separation.
9. breaker according to claim 8, it is characterised in that the vertical institute of axis of the buffer unit in the buffer unit State drive rod(10)The direction of motion.
CN201720048164.0U 2017-01-17 2017-01-17 The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker Expired - Fee Related CN206460902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720048164.0U CN206460902U (en) 2017-01-17 2017-01-17 The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720048164.0U CN206460902U (en) 2017-01-17 2017-01-17 The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker

Publications (1)

Publication Number Publication Date
CN206460902U true CN206460902U (en) 2017-09-01

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Application Number Title Priority Date Filing Date
CN201720048164.0U Expired - Fee Related CN206460902U (en) 2017-01-17 2017-01-17 The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903631A (en) * 2021-10-15 2022-01-07 南京海兴电网技术有限公司 Strut type outdoor circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903631A (en) * 2021-10-15 2022-01-07 南京海兴电网技术有限公司 Strut type outdoor circuit breaker

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170901

CF01 Termination of patent right due to non-payment of annual fee