CN201408701Y - Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker - Google Patents
Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN201408701Y CN201408701Y CN2009200458141U CN200920045814U CN201408701Y CN 201408701 Y CN201408701 Y CN 201408701Y CN 2009200458141 U CN2009200458141 U CN 2009200458141U CN 200920045814 U CN200920045814 U CN 200920045814U CN 201408701 Y CN201408701 Y CN 201408701Y
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- CN
- China
- Prior art keywords
- circuit breaker
- upper bracket
- heat
- vacuum circuit
- current indoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 title abstract 3
- 230000005855 radiation Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000009191 jumping Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to a heat-dissipation device for a heavy-current indoor high-voltage vacuum circuit breaker, comprising an electric-conducting device which is internally provided with a hollow frame, an insulating barrel is wrapped outside the frame, a contact arm is arranged on the electric-conducting device, an upper bracket is arranged on the frame, the upper bracket and the frame arefixedly connected by screw threads, and a heat-dissipation frame is arranged on the upper bracket. In the utility model, a radiator is arranged on the upper bracket, so as to quickly transfer the heat, and a plurality of heat-radiating fins, which are arranged in parallel, are arranged, so as to further transfer the heat; in addition, the buffer adsorbs the energy generated in the switching-off process of the vacuum circuit breaker, so as to effectively reduce switching-off jumping.
Description
Technical field
The utility model relates to big electric current indoor high-voltage vacuum circuit breaker, relates in particular to a kind of big electric current indoor high-voltage vacuum circuit breaker heat abstractor.
Background technology
Existing big electric current indoor high-voltage vacuum circuit breaker, the vacuum bubbles of every phase conducting system cylinder lever connecting rod is installed in the insulating cylinder, and vacuum bubbles top is connected with it with upper bracket, and upper bracket is connected with heat radiation rack, and heat radiation rack directly is fixed on the insulating cylinder.Rated current is big, and specified short time withstand current is big, and peak withstand current is big, and the contact pressure spring pressure is big, and switching force is big, vacuum bubbles dynamic/static contact direct collision during combined floodgate, and heat radiation rack directly is connected with insulating cylinder, causes the closing rebound height.
The utility model content
The technical problems to be solved in the utility model is: a kind of novel structure, reasonable in design, dependable performance, big electric current indoor high-voltage vacuum circuit breaker safe in utilization are provided.
In order to overcome the defective that exists in the background technology, the technical scheme that its technical problem that solves the utility model adopts is: a kind of big electric current indoor high-voltage vacuum circuit breaker heat abstractor, comprise electric installation, be provided with hollow frame in the electric installation, framework outer wrapping insulating cylinder, electric installation is provided with contact arm, and described framework is provided with upper bracket, described upper bracket is fixedlyed connected by screw thread with framework, is equipped with heat radiation rack on the described upper bracket.
According to another embodiment of the present utility model, big electric current indoor high-voltage vacuum circuit breaker comprises further that with heat abstractor described heat radiation rack is made up of the fin that plurality of parallel is provided with.
According to another embodiment of the present utility model, big electric current indoor high-voltage vacuum circuit breaker further comprises between described screw thread and the upper bracket with heat abstractor and is provided with elastic buffer.
According to another embodiment of the present utility model, big electric current indoor high-voltage vacuum circuit breaker comprises further that with heat abstractor described buffer is the dish spring.
The utility model has solved the defective that exists in the background technology, and the utility model conducts heat fast by radiator is fitted on the upper bracket, and the fin by plurality of parallel is provided with further transmits heat; In addition, absorb the energy that breaker open operation produces by buffer, thereby effectively reduce closing rebound.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Wherein: 1, framework, 2, insulating cylinder, 3, contact arm, 4, upper bracket, 5, screw thread, 6, heat radiation rack, 7, fin, 8, buffer.
Embodiment
With preferred embodiment the utility model is described in further detail in conjunction with the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of big electric current indoor high-voltage vacuum circuit breaker heat abstractor, comprise electric installation, be provided with hollow frame 1 in the electric installation, framework 1 outer wrapping insulating cylinder 2, electric installation is provided with contact arm 3, and described framework 1 is provided with upper bracket 4, described upper bracket 4 is fixedlyed connected by screw thread 5 with framework 1, is equipped with heat radiation rack 6 on the described upper bracket 4.The fin 7 that described heat radiation rack 6 preferably is provided with by plurality of parallel is formed.
In order to absorb the energy that breaker open operation produces, thereby effectively reduce closing rebound, preferably be provided with elastic buffer 8 between described screw thread 5 and the upper bracket 4.Described buffer 8 is preferably the dish spring, has reduced the cost of this product.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (4)
1, a kind of big electric current indoor high-voltage vacuum circuit breaker heat abstractor, comprise electric installation, be provided with hollow frame in the electric installation, framework outer wrapping insulating cylinder, electric installation is provided with contact arm, it is characterized in that: described framework is provided with upper bracket, and described upper bracket is fixedlyed connected by screw thread with framework, is equipped with heat radiation rack on the described upper bracket.
2, big electric current indoor high-voltage vacuum circuit breaker heat abstractor as claimed in claim 1 is characterized in that: described heat radiation rack is made up of the fin that plurality of parallel is provided with.
3, big electric current indoor high-voltage vacuum circuit breaker heat abstractor as claimed in claim 1 is characterized in that: be provided with elastic buffer between described screw thread and the upper bracket.
4, big electric current indoor high-voltage vacuum circuit breaker heat abstractor as claimed in claim 3, it is characterized in that: described buffer is the dish spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200458141U CN201408701Y (en) | 2009-05-13 | 2009-05-13 | Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200458141U CN201408701Y (en) | 2009-05-13 | 2009-05-13 | Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408701Y true CN201408701Y (en) | 2010-02-17 |
Family
ID=41679645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200458141U Expired - Fee Related CN201408701Y (en) | 2009-05-13 | 2009-05-13 | Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408701Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359076A (en) * | 2017-06-27 | 2017-11-17 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
| WO2025051088A1 (en) * | 2023-09-05 | 2025-03-13 | 厦门宏发电力电器有限公司 | Vacuum circuit breaker |
-
2009
- 2009-05-13 CN CN2009200458141U patent/CN201408701Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359076A (en) * | 2017-06-27 | 2017-11-17 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
| WO2025051088A1 (en) * | 2023-09-05 | 2025-03-13 | 厦门宏发电力电器有限公司 | Vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20120513 |