CN206301732U - A kind of high-pressure vacuum breaker - Google Patents
A kind of high-pressure vacuum breaker Download PDFInfo
- Publication number
- CN206301732U CN206301732U CN201621398362.1U CN201621398362U CN206301732U CN 206301732 U CN206301732 U CN 206301732U CN 201621398362 U CN201621398362 U CN 201621398362U CN 206301732 U CN206301732 U CN 206301732U
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- China
- Prior art keywords
- static
- contact
- conductive rod
- moving
- thermal column
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- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model proposes a kind of high-pressure vacuum breaker,Including pole,The pole includes vacuum interrupter,Upper electric-conductor,Lower electric-conductor,Vacuum interrupter includes moving conductive rod,Static conductive rod,Static side lid,Moved end lid,Static contact and moving contact,Moving conductive rod is wholely set with moving contact,Static conductive rod is wholely set with static contact,It is provided with inside static conductive rod along the thermal column of its axial direction,Thermal column is made up of insulating radiation silica gel material,One end of thermal column extends along the axial direction of static conductive rod,And extended on the end face being in contact with moving contact on static contact through static contact,The other end of thermal column is extended at the outer face of static side lid along the axial direction of static conductive rod,End face of the end face of thermal column respectively with static contact and static side lid is mutually flush,Static side exterior surface and moving contact are equipped with heat dissipating layer with respect to the side surface of moving conductive rod one.The utility model provides a kind of preferable high-pressure vacuum breaker of thermal diffusivity.
Description
Technical field
The utility model is related to a kind of high-pressure vacuum breaker.
Background technology
The loop resistance of high-pressure vacuum breaker is the main heating source that influence heats up, and the loop resistance of arc-chutes generally will
Account for more than the 50% of high-pressure vacuum breaker loop resistance.Contact gap contact resistance is the main of vacuum interrupter loop resistance
Part, because contact system is sealed in vacuum extinction room, and the heat for producing can only be by dynamic and static conducting rod to outside
Radiating.Vacuum interrupter static side lid is directly connected with quiet support, moved end lid then by conductive clip, be flexible coupling be connected with dynamic support,
Although motion is conducive to moved end to radiate to moved end lid upwards, because moved end lid connecting link is more, thermally conductive pathways are more long, so high pressure
The overlapping part that the peak that vacuum circuit breaker heats up focuses mostly in moving conductive rod and conductive clip.In actual applications, effectively
The element beneficial to radiating is stamped using static side, forces that contact gap heat ratio is more to be derived from static side lid, shunting moved end lid
Heat, is to solve the higher effective measures of high-pressure vacuum breaker intensification.
Utility model content
Based on above mentioned problem, the utility model purpose is to provide a kind of preferable high-pressure vacuum breaker of thermal diffusivity.
For problem above, there is provided following technical scheme：A kind of high-pressure vacuum breaker, including pole, operation
Mechanism and chassis handcart, the pole include vacuum interrupter, upper electric-conductor, lower electric-conductor, the vacuum interrupter bag
Include moving conductive rod, static conductive rod, static side lid, moved end lid, static contact and moving contact, it is characterised in that：The moving conductive rod with it is dynamic
Contact is wholely set, and the static conductive rod is wholely set with static contact, is provided with along its axial direction inside the static conductive rod
Thermal column, the thermal column is made up of insulating radiation silica gel material, one end of the thermal column along static conductive rod axial direction
Extend, and extended on the outer face being in contact with moving contact on static contact through static contact, the other end edge of the thermal column
The axial direction of static conductive rod extends to the end of static side lid, the end face of the thermal column respectively with static contact and static side lid
End face is mutually flush, and the outer surface of the static side lid and moving contact are equipped with heat dissipating layer with respect to the surface of moving conductive rod side.
The utility model is further arranged to：The outer wall of the vacuum interrupter is circumferentially distributed radiating prism, and radiate rib
Post extends along its length.
The utility model is further arranged to：The vacuum interrupter is made up of dielectric ceramic, and vacuum interrupter table
Face scribbles reflective heat-insulation paint layer.
The utility model is further arranged to：The locular wall of the upper electric-conductor, lower electric-conductor and vacuum interrupter is molded into
Integrally, the injected plastics material is epoxy resin.
The utility model is further arranged to：The heat dissipating layer is made up of conduction graphite film.
The beneficial effects of the utility model：Set in static conductive rod in the high-pressure vacuum breaker that the utility model is provided
Thermal column, one end of thermal column extends to the end face contacted with each other with moving contact on static contact, and the other end extends to static side lid
Outer face, therefore, static contact contacted with moving contact produce heat can directly by thermal column to static side lid side derive, dissipate
Thermal effect is substantially and efficient；Meanwhile, setting heat dissipating layer is covered in static side, in the circumferentially disposed radiating rib of solid sealed pole of vacuum arc-extinguishing chamber
The radiator structures such as post, when high-pressure vacuum breaker works, multi-radiating structure radiates to the heat that its inside produces simultaneously
To solve the problems, such as that it is higher that high-pressure vacuum breaker heats up, so as to extend the service life of high-pressure vacuum breaker.
Brief description of the drawings
Fig. 1 is the phantom of the utility model high-pressure vacuum breaker；
Fig. 2 is the sectional view of the vacuum interrupter shown in the utility model Fig. 1.
Illustrate in figure：1- poles；The upper electric-conductors of 2-；Electric-conductor under 3-；4- vacuum interrupters；41- moving conductive rods；
42- static conductive rods；43- static side lids；44- moved ends lid；45- static contacts；46- moving contacts；47- thermal columns；48- radiating prisms；
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
As shown in Figures 1 and 2, a kind of high-pressure vacuum breaker, including pole 1, operating mechanism and chassis handcart, institute
Pole 1 is stated including vacuum interrupter 4, upper electric-conductor 2, lower electric-conductor 3, the vacuum interrupter 4 include moving conductive rod 41,
Static conductive rod 42, static side lid 43, moved end lid 44, static contact 45 and moving contact 46, the moving conductive rod 41 and the one of moving contact 46
Set, the static conductive rod 42 is wholely set with static contact 45, dissipating along its axial direction is provided with inside the static conductive rod 42
Plume 47, the thermal column 47 is made up of insulating radiation silica gel material, one end of the thermal column 47 along static conductive rod 42 axle
Extend to direction, and extended on the outer face being in contact with moving contact 46 on static contact 45 through static contact 45, the radiating
The other end of post 47 extends to the end of static side lid 43, the end face point of the thermal column 47 along the axial direction of static conductive rod 42
End face not with static contact 45 and static side lid 43 is mutually flush；The outer surface of the static side lid 43 and moving contact 46 are with respect to moving conductive
The surface of the side of bar 41 is equipped with heat dissipating layer.Further, the heat dissipating layer is made up of conduction graphite film.
Using above-mentioned technical proposal, contacted with static contact 45 when moving contact 46 is moved to the direction of static contact 45, moving contact
46 directly can quickly be derived by thermal column 47 with the heat of generation on static contact 45 to the side of static side lid 43, and thermal column 47 is used
Insulating radiation silica gel material is made, and radiating effect is substantially and efficient；Heat dissipating layer is made up of conduction graphite film, conduction graphite film
Be a kind of new heat conduction and heat radiation material, be orientated with unique crystal grain, along both direction uniform heat conduction, it is laminar structured can be very
Any surface is adapted to well, and radiating effect is very good, therefore, remaining heat can be by setting on static side lid 43 and moving contact 46
The conduction graphite film put is derived, and the heat on moved end lid 44 is fallen in shunting.
As shown in figure 1, the outer wall of the vacuum interrupter 4 is circumferentially distributed radiating prism 48, radiating prism 48 is grown along it
Degree direction extends.Radiating prism 48 can increase the area of dissipation of pole 1, realize fast cooling；Prism is longitudinally arranged simultaneously
Cloth can avoid laying dust and rainwater from remaining, it is ensured that the radiating surface cleaning of prism 48.
The vacuum interrupter 4 is made up of dielectric ceramic, and the surface of vacuum interrupter 4 scribbles reflective heat-insulation paint layer.
Dielectric ceramic had not only had good electrical insulating property but also had had good heat conductivity, the heat in pole 1 can be given out
Go, while reflective heat-insulation paint is that heat-insulated purpose is reached by high-efficiency reflective sunshine, outdoor vacuum arc-extinguishing chamber 4 can be reduced
Pole 1 absorbs solar heat.
The locular wall injection of the upper electric-conductor 2, lower electric-conductor 3 and vacuum interrupter 4 is integral, and the injected plastics material is ring
Oxygen tree fat.By using above-mentioned technical proposal, upper electric-conductor 2, lower electric-conductor 3 and vacuum interrupter 4 pass through poured with epoxy resin
Integral formation pole 1, it is possible to reduce parts, simplifies structure so that the upper volume of pole 1 reduces, when by high pressure
Vacuum circuit breaker is conducive to the miniaturization of high-tension switch cabinet when being installed to high-tension switch cabinet；Epoxy resin have good physics,
Chemical property, its surface to metal and nonmetallic materials has excellent adhesive strength, and dielectric properties are good, set shrinkage factor
Small, product size good stability, hardness is high, and pliability preferably, is adapted to be molded electric-conductor 2, lower electric-conductor 3 and vacuum and goes out
The locular wall of arc chamber 4, the housing as pole 1.
Operationally, above-mentioned multi-radiating structure is produced the high-pressure vacuum breaker that the utility model is provided to its inside simultaneously
Raw heat is radiated to solve the problems, such as that it is higher that high-pressure vacuum breaker heats up, so as to extend making for high-pressure vacuum breaker
Use the life-span.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvement and modification, above-mentioned vacation can also be made
If these improve and modification also should be regarded as protection domain of the present utility model.
Claims (5)
1. a kind of high-pressure vacuum breaker, including pole, operating mechanism and chassis handcart, the pole include vacuum
Arc-chutes, upper electric-conductor, lower electric-conductor, the vacuum interrupter include moving conductive rod, static conductive rod, static side lid, moved end lid, quiet
Contact and moving contact, it is characterised in that：The moving conductive rod is wholely set with moving contact, and the static conductive rod is with static contact integrally
Set, be provided with inside the static conductive rod along the thermal column of its axial direction, the thermal column is by insulating radiation silica gel material system
Into one end of the thermal column extends along the axial direction of static conductive rod, and is extended to through static contact tactile with dynamic on static contact
On the outer face that head is in contact, the other end of the thermal column extends to the end face of static side lid along the axial direction of static conductive rod
Place, the end face of the end face of the thermal column respectively with static contact and static side lid is mutually flush, the outer surface of the static side lid and dynamic
Contact is equipped with heat dissipating layer with respect to the surface of moving conductive rod side.
2. a kind of high-pressure vacuum breaker according to claim 1, it is characterised in that：The outer wall week of the vacuum interrupter
To radiating prism is distributed with, radiating prism extends along its length.
3. a kind of high-pressure vacuum breaker according to claim 1 and 2, it is characterised in that：The vacuum interrupter is by being situated between
Electroceramics is made, and the surface of vacuum interrupter scribbles reflective heat-insulation paint layer.
4. a kind of high-pressure vacuum breaker according to claim 1, it is characterised in that：The upper electric-conductor, lower electric-conductor
Locular wall injection with vacuum interrupter is integral, and the injected plastics material is epoxy resin.
5. a kind of high-pressure vacuum breaker according to claim 1, it is characterised in that：The heat dissipating layer is by conduction graphite film
Constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398362.1U CN206301732U (en) | 2016-12-05 | 2016-12-05 | A kind of high-pressure vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398362.1U CN206301732U (en) | 2016-12-05 | 2016-12-05 | A kind of high-pressure vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301732U true CN206301732U (en) | 2017-07-04 |
Family
ID=59215152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621398362.1U Expired - Fee Related CN206301732U (en) | 2016-12-05 | 2016-12-05 | A kind of high-pressure vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828227A (en) * | 2019-10-12 | 2020-02-21 | 保定市冀中电力设备有限责任公司 | Full-working-condition intelligent solid-sealed high-voltage alternating-current vacuum circuit breaker |
| CN114188191A (en) * | 2021-10-29 | 2022-03-15 | 华为数字能源技术有限公司 | Power distribution module and vehicle |
| CN115527788A (en) * | 2022-10-20 | 2022-12-27 | 四川大学 | Liquid cooling radiating tube and vacuum arc extinguish chamber with built-in liquid cooling radiating tube |
-
2016
- 2016-12-05 CN CN201621398362.1U patent/CN206301732U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828227A (en) * | 2019-10-12 | 2020-02-21 | 保定市冀中电力设备有限责任公司 | Full-working-condition intelligent solid-sealed high-voltage alternating-current vacuum circuit breaker |
| CN110828227B (en) * | 2019-10-12 | 2022-08-19 | 河北承捷电力设备制造有限公司 | All-condition intelligent solid-sealed high-voltage AC vacuum circuit breaker |
| CN114188191A (en) * | 2021-10-29 | 2022-03-15 | 华为数字能源技术有限公司 | Power distribution module and vehicle |
| CN115527788A (en) * | 2022-10-20 | 2022-12-27 | 四川大学 | Liquid cooling radiating tube and vacuum arc extinguish chamber with built-in liquid cooling radiating tube |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20181205 |