CN208538753U - The arc-chutes radiator structure of vacuum circuit breaker - Google Patents
The arc-chutes radiator structure of vacuum circuit breaker Download PDFInfo
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- CN208538753U CN208538753U CN201820782570.4U CN201820782570U CN208538753U CN 208538753 U CN208538753 U CN 208538753U CN 201820782570 U CN201820782570 U CN 201820782570U CN 208538753 U CN208538753 U CN 208538753U
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- 238000001816 cooling Methods 0.000 claims abstract description 81
- 230000017525 heat dissipation Effects 0.000 claims abstract description 30
- 230000003068 static effect Effects 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a kind of arc-chutes radiator structures of vacuum circuit breaker.The arc-chutes radiator structure of the vacuum circuit breaker includes arc-chutes, arc-chutes have the moved end connecting with moving contact and the static side connecting with static contact, the moved end of the arc-chutes, static side, which respectively correspond, is equipped with dynamic cooling stand, quiet cooling stand, offers on the dynamic cooling stand and quiet cooling stand and is connected to bracket inner space and exterior space to realize heat dissipation channel that gaseous exchange radiates.Arc-chutes itself are unenclosed construction, it is directly contacted with extraneous gas, the dynamic cooling stand and quiet cooling stand at arc-chutes both ends are respectively arranged with heat dissipation channel simultaneously, heat dissipation channel realizes the gaseous exchange of internal stent space and exterior space, it is radiated simultaneously to arc-chutes by thermal convection and arc-chutes itself and the heat exchange of exterior space, the radiating efficiency of arc-chutes is improved, while also omiting the die cost that production pole needs.
Description
Technical field
The utility model relates to a kind of arc-chutes radiator structures of vacuum circuit breaker.
Background technique
In high pressure, super-pressure transportion wire road, vacuum circuit breaker distributes and guarantees the process of circuit safety in circuit
In play key effect, be the critical elements in circuit system.Vacuum circuit breaker circuit before shutdown is in connected state,
The high pressure in circuit and ultra-high pressure current can puncture air during the opening process, to electric arc occur, arc-chutes are to separate and go out
The important equipment of power down arc.Existing arc-chutes are all mounted in pole mostly, when electric current flows through breaker, in arc extinguishing
During, the shells of arc-chutes, electric conductor, contact and insulated pull rod temperature increase, the heat of generation can cause to insulate
The aging of unit, or even the deformation of the junction of insulated pull rod and arc-chutes can be made to lead to breaker job failure.
Application publication number is CN101840808A, and data of publication of application is that the Chinese invention patent application of 2010.09.22 discloses
A kind of special circuit breaker of electrified railway, the special circuit breaker of electrified railway disclose a kind of arc extinguishing chamber component, arc-chutes
Component include upper supporting insulator (i.e. dynamic insulated support), upper bracket, arc-chutes, lower bracket, lower supporting insulator (i.e. it is quiet absolutely
Edge supporting element), wherein upper supporting insulator is fixedly connected with upper bracket, the moved end of arc-chutes is connect with upper bracket, arc-chutes
Static side is fixedly connected with lower bracket, and lower bracket is connect with lower supporting insulator, is connected between the static side and lower bracket of arc-chutes
Lower outlet (i.e. quiet electric conductor) is added with radiating ribs on the inside of lower bracket；The moved end of arc-chutes is connected with conductive clip, conductive clip
Periphery is provided with radiating groove, is fixedly connected with and is flexible coupling on conductive clip, conductive clip and is flexible coupling and is mounted on the inside of upper bracket.
When in use, arc-chutes use open type mounting means to above-mentioned arc extinguishing chamber component, are no longer mounted in pole,
It radiates by the capacity of heat transmission of arc-chutes self structure, the radiating groove of conductive clip periphery and the radiating ribs on lower bracket increase
Arc-chutes and external contact area, enhance the heat-sinking capability of arc-chutes.But upper bracket is arranged in the moved end of arc-chutes
Inside, moved end and conductive clip itself thereon are in the state of sealing, and the heat that movable end of arc extinguishing chamber generates can not be distributed timely
Supreme bracket outer, while the heat of arc-chutes static side is distributed to lower bracket by radiating ribs, dependence be lower bracket from
The capacity of heat transmission of stature matter and external progress heat exchange, radiating efficiency is lower, and breaker apparatus is when in use, and breaker is being adjusted
Try action current when, overload current is greater than 1.1 times of operating current, and arc-chutes rate of heat production is very fast at this time, it is desirable that have compared with
High radiating efficiency.
Utility model content
The purpose of this utility model is to provide a kind of arc-chutes radiator structures of vacuum circuit breaker that radiating efficiency is high.
In order to solve the above-mentioned technical problem, the technical solution of the arc-chutes radiator structure of the vacuum circuit breaker of the utility model
Are as follows:
Scheme 1: a kind of arc-chutes radiator structure of vacuum circuit breaker, including arc-chutes, arc-chutes have to be connected with moving contact
The moved end connect and the static side connecting with static contact, the moved end of the arc-chutes, static side, which respectively correspond, to be equipped with dynamic cooling stand, quiet dissipates
It is offered on hot bracket, the dynamic cooling stand and quiet cooling stand and is connected to bracket inner space and exterior space to realize gas
The heat dissipation channel that convection current is radiated.
The beneficial effect of the technical solution is: arc-chutes itself are unenclosed construction, are directly contacted with extraneous gas, together
When arc-chutes both ends dynamic cooling stand and quiet cooling stand be respectively arranged with heat dissipation channel, heat dissipation channel realizes internal stent
The gaseous exchange in space and exterior space, by thermal convection and the heat exchange of arc-chutes itself and exterior space simultaneously to arc extinguishing
Room is radiated, and the radiating efficiency of arc-chutes is improved, while also omiting the die cost that production pole needs.
Scheme 2: the arc-chutes radiator structure of vacuum circuit breaker according to scheme 1, the moved end inserting of the arc-chutes
In the inside of dynamic cooling stand, quiet electric conductor is clamped between the static side of the arc-chutes and quiet cooling stand.Arc-chutes move
End is inserted into the inside of dynamic cooling stand, and convenient for carrying out thermal convection heat dissipation by heat dissipation channel, heat can pass through in arc-chutes
Quiet electric conductor is transferred to quiet cooling stand.
Scheme 3: the arc-chutes radiator structure of vacuum circuit breaker according to scheme 1, the dynamic cooling stand are frame
Type frame structure, the aperture between frame on the dynamic cooling stand form the heat dissipation channel of dynamic cooling stand.The dynamic of frame-type dissipates
The processing is simple for hot bracket, and the aisle spare of gaseous exchange is big, and gaseous exchange effect is good, while the aperture between frame is also to lead
Electric body provides avoiding space with the movement of the moved end of arc-chutes.
Scheme 4: the arc-chutes radiator structure of vacuum circuit breaker according to scheme 1, the heat dissipation of the quiet cooling stand
Channel is the grid type aperture that quiet cooling stand is arranged on the side wall of arc-chutes axial direction.Grid type aperture takes full advantage of quiet
The material of cooling stand can enter in quiet cooling stand in the case where guaranteeing gaseous exchange to avoid the sundries of extraneous gas
Portion.
Scheme 5: the arc-chutes radiator structure of the vacuum circuit breaker according to any one of scheme 1-4, the arc-chutes
Moved end be connected with conductive clip, the conductive clip has the extension end being located at outside dynamic cooling stand.The extension end of conductive clip can
The heat of the moved end of arc-chutes to be transferred directly to outside dynamic cooling stand, heat exchange is carried out with external gas.
Scheme 6: according to the arc-chutes radiator structure of vacuum circuit breaker described in scheme 5, the conductive clip and arc-chutes
The section of contact portion of moved end contact be U-type groove structure, the side of the U-type groove structure and bottom surface are dynamic with arc-chutes respectively
End is fixedly connected.U-type groove structure can not only guarantee closely to connect with the cylindrical surface of movable end of arc extinguishing chamber, while can also be with arc extinguishing
The end face of room moved end closely connects.
Scheme 7: the arc-chutes radiator structure of vacuum circuit breaker according to scheme 6, the moved end of the arc-chutes are fixed
Be connected with and be flexible coupling, it is described be flexible coupling be clamped between conductive clip and the moved end of arc-chutes.The heating conduction being flexible coupling is more preferable, leads
Electricity folder plays clamping action to being flexible coupling, while reducing transition electric conductor as conductive clip between moved end being flexible coupling,
Reduce the heat that electric current is generated in the contact position of different electric conductors.
Scheme 8: the arc-chutes radiator structure of the vacuum circuit breaker according to any one of scheme 1-4, the dynamic heat dissipation
One end of the separate arc-chutes of bracket is fixedly connected with dynamic insulated support, is fitted with insulated pull rod in the dynamic edge supporting element,
The insulated pull rod is connected by the moved end of connecting rod and arc-chutes.Dynamic insulated support, dynamic cooling stand and arc-chutes are coaxial
Arrangement, dynamic insulated support and dynamic cooling stand only have axial force, lower to the Structural strength calls of dynamic cooling stand, dissipate
The passage of heat does not influence the integral strength of dynamic cooling stand.
Scheme 9: the arc-chutes radiator structure of the vacuum circuit breaker according to any one of scheme 1-4, the quiet heat dissipation
Bracket is fixedly connected with quiet insulated support far from one end of arc-chutes.Quiet insulated support, quiet cooling stand and arc-chutes are same
Axis arrangement, quiet insulated support and quiet cooling stand only have axial force, and heat dissipation channel does not influence the entirety of quiet cooling stand
Intensity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of the arc-chutes radiator structure of the vacuum circuit breaker of the utility model；
Fig. 2 is the top view of Fig. 1.
It is respectively marked in figure: 1. arc-chutes；2. dynamic cooling stand；3. quiet cooling stand；4. being flexible coupling；5. conductive clip；6. quiet
Electric conductor；7. quiet insulated support；8. dynamic insulated support；9. insulated pull rod；10. connecting rod；11. moved end；12. static side；13.
Moved end guide pad；14. insulated pull rod guide pad；21. aperture between frame；31. grid type aperture.
Specific embodiment
The embodiment 1 of the arc-chutes radiator structure of the vacuum circuit breaker of the utility model as shown in Figures 1 and 2, including is gone out
Arc chamber 1, arc-chutes have the moved end 11 connecting with moving contact and the static side 12 connecting with static contact, are connected with soft company on moved end 11
4 are connect, the heat-conducting effect being flexible coupling is more preferable；It is connected with quiet electric conductor 6 at static side 12, is correspondingly provided with respectively at moved end 11, static side 12
Dynamic cooling stand 2 and quiet cooling stand 3, quiet electric conductor 6 are clamped between static side 12 and quiet cooling stand 3, are flexible coupling 4 by leading
Electric part (not shown) is connect with dynamic cooling stand 2.
Quiet cooling stand 3 is fixedly connected in the static side 12 of arc-chutes 1, and quiet electric conductor 6 is clamped in quiet cooling stand 3 and goes out
Between the static side 12 of arc chamber 1, quiet cooling stand 3 be equipped with connection bracket inner space and exterior space with realize gaseous exchange into
The heat dissipation channel of row heat dissipation, in the embodiment, heat dissipation channel is that quiet cooling stand 3 is arranged in along the axial side wall of arc-chutes 1
Grid type aperture 31, grid type aperture 31 can enter in the case where guaranteeing gaseous exchange to avoid the sundries of extraneous gas
Inside quiet cooling stand 3.Quiet cooling stand 3 is fixedly connected on quiet insulated support 7 far from one end of arc-chutes, quiet insulation branch
Support member, quiet cooling stand and arc-chutes are coaxially arranged, only have axial force between quiet insulated support and quiet cooling stand, dissipate
The passage of heat does not influence the integral strength of quiet cooling stand.
The moved end 11 of arc-chutes is inserted into dynamic cooling stand 2, is moved cooling stand 2 close to the end face of arc-chutes and is equipped with confession
The aperture that moved end 11 inserts moves cooling stand 2 close to the end of arc-chutes 1 and is equipped with moved end guide pad 13, and moved end guide pad 13 can
To ensure that moved end 11 along the axial movement of arc-chutes 1, avoids moved end 11 from deviating.Dynamic cooling stand 2 is frame-like structures, is moved
Cooling stand 2 realizes the heat dissipation channel that gaseous exchange radiates equipped with bracket inner space and exterior space is connected to, should
In embodiment, heat dissipation channel is aperture 21 between the frame for moving cooling stand 2, and aperture 21 makes the aisle spare of airflow convection between frame
Bigger, gaseous exchange effect is more preferable, while also the movement for 4 follower ends 11 that are flexible coupling provides avoiding space.
Conductive clip 5, the section for the contact portion of conductive clip 5 contacted with the moved end 11 of arc-chutes are fixedly connected on moved end 11
Contact portion for U-type groove structure, the U-type groove structure of conductive clip 5 is clamped in the end of moved end, and U-type groove structure can not only guarantee
It closely connect, while can also be closely connect with the end face of moved end 11 with the cylindrical surface of moved end 11.It is flexible coupling and 4 is clamped in conductive clip
Between 5 and moved end 11, conductive clip 54 has clamping action to being flexible coupling, while being flexible coupling and 4 directly contacting with moved end 11, is omitted
The transitional function of conductive clip 5, it is possible to reduce the heat that electric current is generated in the contact position of multiple electric conductors, in other embodiments
It can will be flexible coupling and be connect with conductive clip, the moved end of conductive clip and arc-chutes is conductively connected.Conductive clip 5 has the aperture between frame
21 are located at the extension end outside dynamic cooling stand 2, and the heat of moved end can be transferred directly to the outer of dynamic cooling stand 2 by extension end
Gas outside portion, with dynamic cooling stand 2 carries out heat exchange, and the end face of extension end is the contact area that can increase with exterior space
Wavy end face.
Dynamic cooling stand 2 is fixedly connected on dynamic insulated support 8 far from one end of arc-chutes, is moved insulated support, is moved
Cooling stand is coaxially arranged with arc-chutes, moves and only has axial force between insulated support and dynamic cooling stand, to dynamic heat dissipation
The Structural strength calls of bracket are lower, and heat dissipation channel does not influence the integral strength of dynamic cooling stand.Inserting in dynamic insulated support 8
There is insulated pull rod 9, insulated pull rod 9 is connect by connecting rod 10 with the moved end 11 of arc-chutes 1.Dynamic cooling stand 2 is close to dynamic insulation
The end of supporting element 8 is equipped with insulated pull rod guide pad 14, when insulated pull rod guide pad 14 can limit the axial movement of insulated pull rod 9
It generates and deviates in radial directions, the concentricity of the moved end 11 of guarantee insulated pull rod 9 and arc-chutes 1 during exercise, and then guarantee
The quick response of arc-chutes.
When in use, the moved end 11 of arc-chutes 1 is with insulated pull rod 9 for the arc-chutes radiator structure of above-mentioned vacuum circuit breaker
Axial movement realize with the connection and disconnection of static side 12, to realize the combined floodgate and separating brake of breaker, in the process, high pressure or
Ultra-high pressure current breakdown insulating gas can supervene a large amount of heat when generating electric arc, and the heat is by opening wide going out for setting
The side wall of arc chamber 1 and the gas of exterior space carry out heat exchange, while heat is transferred to moved end 11 and static side 12, moved end 11 respectively
Heat it is for convection heat dissipation by aperture 21 and extraneous gas between the frame of dynamic cooling stand, while heat is by conductive clip 5
It is transferred to extension end and extraneous gas carries out heat exchange；The heat of static side 12 by quiet cooling stand 3 grid type aperture 31 with
Extraneous gas is for convection heat dissipation, so that the heat in arc-chutes 1 be made quickly to be transferred to exterior space, improves arc-chutes
Radiating efficiency.
The embodiment 2 of the arc-chutes radiator structure of the vacuum circuit breaker of the utility model, the difference from embodiment 1 is that:
Heat dissipation channel aperture between frame of cooling stand is moved in embodiment 1, in this embodiment, moves the heat dissipation channel of cooling stand
Can between frame aperture and grid type aperture mixed structure, frame can also be set on the side wall that the extension end of conductive clip passes through
Vent hole structure is arranged on other side walls in aperture between frame.
The embodiment 3 of the arc-chutes radiator structure of the vacuum circuit breaker of the utility model, the difference from embodiment 1 is that:
The heat dissipation channel of quiet cooling stand is grid type aperture, in this embodiment, the heat dissipation channel of quiet cooling stand in embodiment 1
Can be aperture between frame as the heat dissipation channel of dynamic cooling stand, or vent hole structure or venthole with
Grid type aperture mixed structure.
Claims (9)
1. a kind of arc-chutes radiator structure of vacuum circuit breaker, including arc-chutes, arc-chutes have the moved end connecting with moving contact
The static side connecting with static contact, the moved end of the arc-chutes, static side, which respectively correspond, is equipped with dynamic cooling stand, quiet cooling stand,
Bracket inner space and exterior space are connected to it is characterized by: offering on the dynamic cooling stand and quiet cooling stand to realize
The heat dissipation channel that gaseous exchange radiates.
2. the arc-chutes radiator structure of vacuum circuit breaker according to claim 1, it is characterised in that: the arc-chutes move
End is inserted into the inside of dynamic cooling stand, and quiet electric conductor is clamped between the static side of the arc-chutes and quiet cooling stand.
3. the arc-chutes radiator structure of vacuum circuit breaker according to claim 1, it is characterised in that: the dynamic cooling stand
For frame-type framework, the aperture between frame on the dynamic cooling stand forms the heat dissipation channel of dynamic cooling stand.
4. the arc-chutes radiator structure of vacuum circuit breaker according to claim 1, it is characterised in that: the quiet cooling stand
Heat dissipation channel be the grid type aperture that quiet cooling stand is set on the side wall of arc-chutes axial direction.
5. the arc-chutes radiator structure of vacuum circuit breaker described in any one of -4 according to claim 1, it is characterised in that: described
The moved end of arc-chutes is connected with conductive clip, and the conductive clip has the extension end being located at outside dynamic cooling stand.
6. the arc-chutes radiator structure of vacuum circuit breaker according to claim 5, it is characterised in that: the conductive clip with
The section of the contact portion of the moved end contact of arc-chutes is U-type groove structure, the side of the U-type groove structure and bottom surface respectively with arc extinguishing
The moved end of room is fixedly connected.
7. the arc-chutes radiator structure of vacuum circuit breaker according to claim 6, it is characterised in that: the arc-chutes move
End is fixedly connected with and is flexible coupling, it is described be flexible coupling be clamped between conductive clip and the moved end of arc-chutes.
8. the arc-chutes radiator structure of vacuum circuit breaker described in any one of -4 according to claim 1, it is characterised in that: described
One end of the separate arc-chutes of dynamic cooling stand is fixedly connected with dynamic insulated support, is fitted in the dynamic insulated support absolutely
Edge pull rod, the insulated pull rod are connected by the moved end of connecting rod and arc-chutes.
9. the arc-chutes radiator structure of vacuum circuit breaker described in any one of -4 according to claim 1, it is characterised in that: described
Quiet cooling stand is fixedly connected with quiet insulated support far from one end of arc-chutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820782570.4U CN208538753U (en) | 2018-05-24 | 2018-05-24 | The arc-chutes radiator structure of vacuum circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820782570.4U CN208538753U (en) | 2018-05-24 | 2018-05-24 | The arc-chutes radiator structure of vacuum circuit breaker |
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| CN208538753U true CN208538753U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461620A (en) * | 2018-05-24 | 2019-03-12 | 许继集团有限公司 | A kind of arc-chutes radiator structure of vacuum circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461620A (en) * | 2018-05-24 | 2019-03-12 | 许继集团有限公司 | A kind of arc-chutes radiator structure of vacuum circuit breaker |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |
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| CP01 | Change in the name or title of a patent holder |