CN208353793U - A kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus - Google Patents
A kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus Download PDFInfo
- Publication number
- CN208353793U CN208353793U CN201820888338.9U CN201820888338U CN208353793U CN 208353793 U CN208353793 U CN 208353793U CN 201820888338 U CN201820888338 U CN 201820888338U CN 208353793 U CN208353793 U CN 208353793U
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- China
- Prior art keywords
- contact arm
- stationary contact
- heat
- pipe
- radiating
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Abstract
The utility model relates to a kind of stationary contact arm systems of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus, the system includes stationary contact arm body, the inside of stationary contact arm body is equipped with stationary contact arm cavity, it is equipped with heat-pipe radiating apparatus in the stationary contact arm cavity, which includes being arranged in stationary contact arm cavity and the finned radiator structure being fixedly connected with stationary contact arm body and the heat pipe being arranged in inside finned radiator structure.Compared with prior art, the utility model is equipped with stationary contact arm cavity in the inside of stationary contact arm body, radiating groove is offered on medial surface, stationary contact arm cooling system is constituted together with heat-pipe radiating apparatus, overall structure is simple, heat-sinking capability is good, is easy to encapsulate, and can effectively solve high-voltage circuitbreaker pole inside and stationary contact arm problem of temperature rise.
Description
Technical field
The utility model belongs to high-voltage circuitbreaker technical field, is related to a kind of high-voltage circuitbreaker equipped with heat-pipe radiating apparatus
With stationary contact arm system.
Background technique
High-voltage circuitbreaker is control and protection equipment important in electric system, mainly by conductive major loop and operating mechanism
Composition.Currently, the conductive major loop of indoor high-voltage circuit breaker develops into pole structure, sealing pole from open design
Rod structure is to be cast in arc-chutes in epoxy resin solids insulating materials to form pole.However in operational process
In, the heat that arc-chutes generate heat and contact arm part itself generates causes to generate biggish temperature rise inside high-voltage circuitbreaker.It is excessively high
Temperature rise will affect the work runnability of high-voltage circuitbreaker, cause thermal deformation, reduce its safety and stability, this is always
Limit the one of the major reasons of high-voltage circuitbreaker development.
Currently used heat dissipating method mainly radiates to contact arm part using blower, or installs additional in the end of contact arm
Radiator is reinforced radiating.In addition, increasing the modes such as ventilation slot also by the structure for changing contact arm insulating sleeve to reduce touching
The temperature rise of arm section.But to will lead to overall structure excessively complicated for these methods, and heat dissipation effect is still difficult to meet needs, sternly
The through-current capability of high-voltage circuitbreaker is affected again.
Utility model content
The purpose of this utility model is exactly to provide a kind of equipped with heat pipe to overcome the problems of the above-mentioned prior art
The high-voltage circuitbreaker of radiator stationary contact arm system.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus, the system include stationary contact arm body, institute
The inside for the stationary contact arm body stated is equipped with stationary contact arm cavity, is equipped with heat-pipe radiating apparatus, the heat pipe heat radiation in the stationary contact arm cavity
Device includes being arranged in stationary contact arm cavity and the finned radiator structure that is fixedly connected with stationary contact arm body and being arranged in wing
Heat pipe inside chip radiator structure.Heat in stationary contact arm body is directed into finned radiator structure by heat pipe, and passes through wing
Chip radiator structure distributes heat, realizes heat dissipation.
Further, radiating groove is offered on the medial surface of the stationary contact arm body.
Further, the finned radiator structure includes the radiating module being arranged in stationary contact arm cavity and multiple
The radiating fin being laid on radiating module, the heat pipe are arranged in radiating module.The heat transfer system of finned radiator structure
Number is high, and radiating fin is in large area contact with air, and biggish heat dissipation area can be also obtained in the limited situation of size, utilizes
Cross-ventilation discharges high current and passes through the heat that generates when stationary contact arm body.
Further, slot is offered in the stationary contact arm cavity.Radiating module is solid by slot and stationary contact arm body
Fixed connection.
Further, the radiating module is in horizontally disposed cylindric, and multiple radiating fins are circumferentially uniformly distributed
On the lateral surface of radiating module, to realize sufficiently heat dissipation, heat dissipation effect is improved.
Further, gap is equipped between the radiating fin and the medial surface of stationary contact arm body.
Further, the heat pipe is arranged horizontally in radiating module.
Further, the both ends of the heat pipe are respectively evaporation ends, condensation end, and it is empty that the condensation end is located at stationary contact arm
It is intracavitary.The evaporation ends (fire end) of heat pipe extend to inside stationary contact arm body, and the working fluid in heat pipe absorbs stationary contact arm body
In heat after evaporate, steam flow to the condensation end (colling end) of heat pipe, is dissipated by radiating fin in finned radiator structure
Calorific value, steam are cooled to liquid, and since evaporation ends are flowed back in the effect of capillary force, so that one that completes heat dissipation is circulated throughout
Journey.In this cyclic process, the heat in stationary contact arm body is transferred to the condensation end of heat pipe by heat pipe by the evaporation ends of heat pipe,
And then reduce the temperature rise of stationary contact arm body entirety.In order to guarantee that the circulation of liquid and steam, capillary force need to overcome steam zone
Pressure.Therefore, capillary force can be increased by covering the modes such as silk screen or porous screen on the capillary wick conduit of heat pipe.
The heat pipe is equipped with multiple altogether as a preferred technical solution, and is cast in radiating module.Work in heat pipe
It can choose acetone, ethyl alcohol, methanol or water etc. as liquid.
Compared with prior art, the utility model has the following characteristics that
1) inside of stationary contact arm body is equipped with stationary contact arm cavity, radiating groove is offered on medial surface, with heat-pipe radiating apparatus
Stationary contact arm cooling system is constituted together, and overall structure is simple, and heat-sinking capability is good, is easy to encapsulate, and can effectively solve high pressure open circuit
Device pole inside and stationary contact arm problem of temperature rise；
2) heat pipe can in the case where not adding any additionaling power by heat from breaker pole internal transmission
Heat dissipation groove location to stationary contact arm body medial surface, and the heat transfer coefficient of finned radiator structure is high, heat dissipation area is big, can be with
The heat that condensation end of heat pipe discharges is dispersed by convection outside stationary contact arm system, each high-voltage switch gear is widely used in
Factory.
Detailed description of the invention
Fig. 1 is the axial schematic cross-sectional view of the utility model；
Fig. 2 is the radial schematic cross-sectional view of heat-pipe radiating apparatus in the utility model；
Description of symbols in figure:
1-stationary contact arm body, 2-radiating grooves, 3-radiating modules, 4-heat pipes, 5-radiating fins, 6-stationary contact arms are empty
Chamber.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
Embodiment:
A kind of high-voltage circuitbreaker stationary contact arm system equipped with heat-pipe radiating apparatus as shown in Figure 1 includes stationary contact arm body
1, the inside of stationary contact arm body 1 is equipped with stationary contact arm cavity 6, is equipped with heat-pipe radiating apparatus in the stationary contact arm cavity 6, as shown in Fig. 2,
The heat-pipe radiating apparatus includes the finned radiator structure for being arranged in stationary contact arm cavity 6 and being fixedly connected with stationary contact arm body 1
And the heat pipe 4 inside finned radiator structure is set.
Wherein, radiating groove 2 is offered on the medial surface of stationary contact arm body 1.
Finned radiator structure includes the radiating module 3 being arranged in stationary contact arm cavity 6 and multiple is laid in radiating mould
Radiating fin 5 on block 3, heat pipe 4 are arranged in radiating module 3.Offer slot in stationary contact arm cavity 6, the one of radiating module 3
End is plugged in slot.In horizontally disposed cylindric, multiple radiating fins 5 are circumferentially uniformly distributed to radiate radiating module 3
On the lateral surface of module 3.Gap is equipped between radiating fin 5 and the medial surface of stationary contact arm body 1.Heat pipe 4 is set in the horizontal direction
It sets in radiating module 3.The both ends of heat pipe 4 are respectively evaporation ends, condensation end, and condensation end is located in stationary contact arm cavity 6.
When work, the evaporation ends (fire end) of heat pipe 4 extend to the inside of stationary contact arm body 1, the working fluid in heat pipe 4
It is evaporated after absorbing the heat in stationary contact arm body 1, steam flow to the condensation end (colling end) of heat pipe 4, is tied by finned heat dissipation
Radiating fin 5 in structure distributes heat, and steam is cooled to liquid, and since evaporation ends are flowed back in the effect of capillary force, to complete
One cyclic process of heat dissipation.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (8)
1. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus, which includes stationary contact arm body (1),
It is characterized in that, the inside of the stationary contact arm body (1) is equipped with stationary contact arm cavity (6), is equipped with heat pipe in the stationary contact arm cavity (6)
Radiator, the heat-pipe radiating apparatus include setting in the wing that stationary contact arm cavity (6) is interior and is fixedly connected with stationary contact arm body (1)
Chip radiator structure and the heat pipe being arranged in inside finned radiator structure (4).
2. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus according to claim 1, feature
It is, offers radiating groove (2) on the medial surface of the stationary contact arm body (1).
3. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus according to claim 1, feature
It is, the finned radiator structure includes that radiating module (3) in stationary contact arm cavity (6) is arranged and multiple is laid in
Radiating fin (5) on radiating module (3), the heat pipe (4) setting is in radiating module (3).
4. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus according to claim 3, feature
It is, offers slot in the stationary contact arm cavity (6).
5. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus according to claim 3, feature
It is, in horizontally disposed cylindric, multiple radiating fins (5) are circumferentially uniformly distributed to be radiated the radiating module (3)
On the lateral surface of module (3).
6. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus according to claim 3, feature
It is, gap is equipped between the radiating fin (5) and the medial surface of stationary contact arm body (1).
7. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus according to claim 3, feature
It is, the heat pipe (4) is arranged horizontally in radiating module (3).
8. a kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus according to claim 7, feature
It is, the both ends of the heat pipe (4) are respectively evaporation ends, condensation end, and the condensation end is located in stationary contact arm cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820888338.9U CN208353793U (en) | 2018-06-08 | 2018-06-08 | A kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820888338.9U CN208353793U (en) | 2018-06-08 | 2018-06-08 | A kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353793U true CN208353793U (en) | 2019-01-08 |
Family
ID=64882985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820888338.9U Expired - Fee Related CN208353793U (en) | 2018-06-08 | 2018-06-08 | A kind of stationary contact arm system of the high-voltage circuitbreaker equipped with heat-pipe radiating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208353793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131023A (en) * | 2021-11-03 | 2022-03-04 | 西安交通大学 | Manufacturing method of high-capacity circuit breaker heat dissipation structure |
-
2018
- 2018-06-08 CN CN201820888338.9U patent/CN208353793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131023A (en) * | 2021-11-03 | 2022-03-04 | 西安交通大学 | Manufacturing method of high-capacity circuit breaker heat dissipation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |