CN209312663U - One kind can explosion-proof heat radiating type vacuum interrupter - Google Patents
One kind can explosion-proof heat radiating type vacuum interrupter Download PDFInfo
- Publication number
- CN209312663U CN209312663U CN201920351921.0U CN201920351921U CN209312663U CN 209312663 U CN209312663 U CN 209312663U CN 201920351921 U CN201920351921 U CN 201920351921U CN 209312663 U CN209312663 U CN 209312663U
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- circular arc
- cover
- wall
- vacuum interrupter
- insulation shell
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- 238000009413 insulation Methods 0.000 claims abstract description 24
- 230000003068 static effect Effects 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000001934 delay Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
It can explosion-proof heat radiating type vacuum interrupter the utility model discloses one kind, including insulation shell and shielding cover, the insulation shell is made of straight barrel and circular arc layer wall, and the middle section of straight barrel is fixed with circular arc layer wall, the inner cavity of the circular arc layer wall is bonded with buffer air bag, the inside of insulation shell is arranged in the shielding cover, the middle section of the straight tube wall cover is provided with circular arc wall cover, slow pressure elastic band is connected between the straight tube wall cover and circular arc wall cover, the outer wall of the circular arc wall cover is fixed with radiating fin, the upper surface of the insulation shell is equipped with static side cover board, the bottom of the static conductive rod is fixed with contact, the lower end surface of the insulation shell is equipped with moved end cover board.This can explosion-proof heat radiating type vacuum interrupter with blast resistance construction design, arc energy size can be alleviated as much as possible, can be concentrated thermally conductive; there is puigging simultaneously; noise can be reduced when vacuum interrupter works, while reliable protection structure can be also provided vacuum interrupter.
Description
Technical field
The utility model relates to vacuum interrupter technical fields, and specially one kind can explosion-proof heat radiating type vacuum interrupter.
Background technique
Vacuum interrupter also known as vacuum switch tube are the core components of mesohigh power switch, and main function is to lead to
Crossing the excellent insulating properties of vacuum in managing makes after mesohigh circuitry cuts power supply blow-out and to inhibit electric current rapidly, avoids accident and meaning
Outer generation, vacuum interrupter is very big in the effect that circuit is played, and belongs to the extremely wide electronics of a kind of very common and purposes
Device.
However existing vacuum interrupter is for the problem that in use process, bursts caused by the increase of arc extinguishing chamber internal pressure
Certain solution can not be made, easily occur when causing arc energy larger, inside vacuum interrupter it is biggish to external pressure, after
And be easy to strut shielded layer or shell, cause vacuum extinction device that biggish deformation damage occurs, be unfavorable for using, for this purpose, we
It is proposed that one kind can explosion-proof heat radiating type vacuum interrupter.
Utility model content
The purpose of this utility model is to provide one kind can explosion-proof heat radiating type vacuum interrupter, to solve above-mentioned background technique
The existing vacuum interrupter of middle proposition easily occurs biggish to external pressure when arc energy is larger, inside vacuum interrupter
Power is then easy to strut shielded layer or shell, causes vacuum extinction device that biggish deformation damage occurs, be unfavorable for using ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: one kind can explosion-proof heat radiating type vacuum interrupter,
Including insulation shell and shielding cover, the insulation shell is made of straight barrel and circular arc layer wall, and the middle section of straight barrel is fixed
There is circular arc layer wall, the inner cavity of the circular arc layer wall is bonded with buffer air bag, and the inside of insulation shell is arranged in the shielding cover,
And shielding cover is made of straight tube wall cover and circular arc wall cover, the middle section of the straight tube wall cover is provided with circular arc wall cover, the straight tube
Slow pressure elastic band is connected between wall cover and circular arc wall cover, the outer wall of the circular arc wall cover is fixed with radiating fin, the insulation
The upper surface of shell is equipped with static side cover board, and the upper interior of insulation shell is provided with static conductive rod, the static conductive rod
Bottom is fixed with contact, and the positioned beneath of contact has bellows, and the lower end surface of the insulation shell is equipped with moved end cover board, and
Moving conductive rod is fixed with below the cover board of moved end.
Preferably, the circular arc layer wall, which is divided into, is separated with three layers, and circular arc layer wall is provided with cavity between layers, and
The section of circular arc layer wall is in convex structure.
Preferably, the buffer air bag is annularly uniformly arranged about the central axes of circular arc layer wall, and buffer air bag and circle
The outer wall of arc wall cover is in contact.
Preferably, the radiating fin is arranged along the vertical direction equidistant parallel of circular arc wall cover, and the section of circular arc wall cover
In convex structure.
It preferably, is in 30 ° of angles between the radiating fin and the vertical direction of circular arc wall cover, and radiating fin is extend into
Between buffer air bag is adjacent.
Preferably, the outer wall of the moving conductive rod is arranged with gum cover, and gum cover is externally-arranged with water proof set, and water proof
Set is in folding tube structure.
Compared with prior art, the utility model has the beneficial effects that
1, this can explosion-proof heat radiating type vacuum interrupter with blast resistance construction design, it is big arc energy can be alleviated as much as possible
It is small, it can concentrate thermally conductive, while there is puigging, noise can be reduced, while also can be to true when vacuum interrupter works
Empty arc-chutes provide reliable protection structure；The three-decker of circular arc layer wall is arranged, and is conducive to improve soundproof effect, while circular arc
Layer wall is provided with cavity between layers, so that circular arc layer wall is hollow-type structure, can buffer the effect of power three times, then
It can be improved the explosion-proof of the vacuum interrupter；Filled with air inside buffer air bag, there is certain elasticity, it can be by outer
It is corresponding to shrink when active force, by the elastic deformation of buffer air bag, can compensator or trimmer pressure, and have the function of weakening to pressure.
2, straight tube wall cover and circular arc wall cover collectively constitute shielding cover, and circular arc wall cover is similar with the structure of circular arc layer wall,
Using arc-shaped structure, circle-arc profile has the slow pressure characteristic of good buffering, can be improved the explosion-proof crushing resistance of shielding cover
Can, delay and press elastic band that there is elasticity, when circular arc wall cover is by surge, delays pressure elastic band meeting phase strain stretch, to will justify
Arc wall cover is pushed outwardly, so as to the effect of further compensator or trimmer pressure；It radiating fin oblique and is uniformly arranged, helps to justify
Arc wall cover inner cavity temperature sheds, and radiating fin forms one of heat dissipating layer in the inside of vacuum interrupter, can concentrate and directly
It conduction is carried out to heat and outside leads, can be improved the thermal diffusivity and the vacuum extinction chamber interior thermal environment of the vacuum interrupter
Uniformity.
3, the gum cover wrapped up outside moving conductive rod plays certain protecting effect to moving conductive rod, can be avoided water or ash
Dirt directly adsorbs in moving conductive rod outer wall, and adding for water proof set further improves the fire resistance characteristic of moving conductive rod, while water proof
Set using folding tube structure design, therefore water proof set have contractility, can with moving conductive rod use or connection, into
The certain contraction of row, so as to realize stable waterproof purpose to moving conductive rod.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged structure schematic diagram at A in the utility model Fig. 1；
Fig. 3 is the utility model circular arc layer wall construction schematic diagram；
Fig. 4 is the utility model moving conductive rod structural schematic diagram.
In figure: 1, insulation shell；2, straight barrel；3, circular arc layer wall；4, cavity；5, buffer air bag；6, cover is shielded；7, straight
Barrel cover；8, circular arc wall cover；9, delay pressure elastic band；10, radiating fin；11, static side cover board；12, static conductive rod；13, contact；
14, bellows；15, moved end cover board；16, moving conductive rod；17, water proof set；18, gum cover.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: one kind can explosion-proof heat radiating type vacuum interrupter, packet
Insulation shell 1 and shielding cover 6 are included, insulation shell 1 is made of straight barrel 2 and circular arc layer wall 3, and the middle section of straight barrel 2 is fixed
There is a circular arc layer wall 3, circular arc layer wall 3 is divided into is separated with three layers, and circular arc layer wall 3 is provided with cavity 4, and circular arc between layers
The section of layer wall 3 is in convex structure, and the three-decker of circular arc layer wall 3 is arranged, and is conducive to improve soundproof effect, while circular arc layer
Wall 3 is provided with cavity 4 between layers, so that circular arc layer wall 3 is hollow-type structure, can buffer the effect of power three times, after
And it can be improved the explosion-proof of the vacuum interrupter；
The inner cavity of circular arc layer wall 3 is bonded with buffer air bag 5, and the inside of insulation shell 1 is arranged in shielding cover 6, and shields
Cover 6 is made of straight tube wall cover 7 and circular arc wall cover 8, and the middle section of straight tube wall cover 7 is provided with circular arc wall cover 8, buffer air bag 5 about
The central axes of circular arc layer wall 3 are annularly uniformly arranged, and buffer air bag 5 is in contact with the outer wall of circular arc wall cover 8, buffer air bag 5
Inside has certain elasticity filled with air, can be corresponding to shrink when by outer active force, by the elasticity of buffer air bag 5
Deformation, can compensator or trimmer pressure, and to pressure have the function of weaken；
Slow pressure elastic band 9 is connected between straight tube wall cover 7 and circular arc wall cover 8, delaying pressure elastic band 9 has elasticity, in circular arc
When wall cover 8 is by surge, delay pressure elastic band 9 can phase strain stretch, so that circular arc wall cover 8 is pushed outwardly, so as into
One step compensator or trimmer pressure effect, the outer wall of circular arc wall cover 8 be fixed with radiating fin 10, radiating fin 10 is along the perpendicular of circular arc wall cover 8
Histogram is arranged to equidistant parallel, and the section of circular arc wall cover 8 is in convex structure, the structure class of circular arc wall cover 8 and circular arc layer wall 3
Seemingly, it is all made of arc-shaped structure, circle-arc profile has the slow pressure characteristic of good buffering, can be improved the explosion-proof of shielding cover 6
Compressive property is in 30 ° of angles between radiating fin 10 and the vertical direction of circular arc wall cover 8, and radiating fin 10 extend into buffering
It between air bag 5 is adjacent, radiating fin 10 oblique and is uniformly arranged, facilitates 8 inner cavity temperature of circular arc wall cover and shed, radiating fin
10 form one of heat dissipating layer in the inside of vacuum interrupter, can concentrate and directly carry out conduction to heat and lead outside, can
Improve the thermal diffusivity of the vacuum interrupter and the uniformity of the vacuum extinction chamber interior thermal environment；
The upper surface of insulation shell 1 is equipped with static side cover board 11, and the upper interior of insulation shell 1 is provided with static conductive rod
12, the bottom of static conductive rod 12 is fixed with contact 13, and the positioned beneath of contact 13 has bellows 14, the lower end of insulation shell 1
Face is equipped with moved end cover board 15, and the lower section of moved end cover board 15 is fixed with moving conductive rod 16, and the outer wall of moving conductive rod 16 is arranged with
Gum cover 18, and gum cover 18 is externally-arranged with water proof set 17, and water proof set 17 is in folding tube structure, outside moving conductive rod 16
The gum cover 18 of package plays certain protecting effect to moving conductive rod 16, can be avoided water or dust directly adsorbs in moving conductive
16 outer wall of bar, water proof set 17 are added, and further improve the fire resistance characteristic of moving conductive rod 16, while water proof set 17 is using folding
Core structure design, therefore water proof set 17 has contractility, can carry out certain with the use of moving conductive rod 16 or connection
Contraction, so as to realize stable waterproof purpose to moving conductive rod 16.
Working principle: for this kind of vacuum interrupter, the vacuum interrupter is accessed into circuit first, by static conductive rod 12
Be connected respectively to circuit with moving conductive rod 16, moving conductive rod 16 is outer due to being exposed to, outside be provided with water proof set 17 and gum cover
18 have fully ensured that the waterproofness of moving conductive rod 16, and electric current passes through static conductive rod 12 respectively and moving conductive rod 16 is flowed into vacuum and goes out
On contact 13 in arc chamber, since vacuum extinction chamber interior makes middle height by the excellent insulating properties of vacuum in pipe for vacuum environment
Volt circuit blow-out and can inhibit electric current rapidly after cutting off the power, and in this process, can generate certain arc energy, work as arc energy
When measuring larger, it will generate certain pressure in the inner cavity of vacuum interrupter, with the continuous increase of pressure, pressure can be first
Circular arc wall cover 8 is oppressed, under the elastic force effect of slow pressure elastic band 9, is pushed outwardly circular arc wall cover 8, to alleviate certain
The pressure of amount, circular arc wall cover 8 are extrapolated and are pushed into contact with buffer air bag 5, shrink buffer air bag 5 accordingly, are buffered again with this
A certain amount of pressure, the effect of being under pressure of buffer air bag 5, outward direction pinching, so that circular arc layer wall 3 is oppressed, due to circular arc layer
Wall 3 is the hollow structure of three-layer type, can buffer the effect of power three times, and the process buffered is to buffer layer by layer, can be again
Compensator or trimmer pressure effect, realizes the explosion-proof resistance to compression purpose of the vacuum interrupter, and the heat generated at contact 13 can penetrate circular arc wall cover
8, it is dispersed by radiating fin 10 in the inner cavity of circular arc layer wall 3, enables the temperature of vacuum interrupter inner cavity evenly dispersed,
Be conducive to the heat dissipation of the vacuum interrupter, complete the use process of entire vacuum interrupter like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. one kind can explosion-proof heat radiating type vacuum interrupter, including insulation shell (1) and shielding cover (6), it is characterised in that: it is described
Insulation shell (1) is made of straight barrel (2) and circular arc layer wall (3), and the middle section of straight barrel (2) is fixed with circular arc layer wall (3), institute
The inner cavity for stating circular arc layer wall (3) is bonded with buffer air bag (5), and the shielding cover (6) is arranged in the inside of insulation shell (1),
And shielding cover (6) is made of straight tube wall cover (7) and circular arc wall cover (8), the middle section of the straight tube wall cover (7) is provided with circular arc wall
It covers (8), is connected between the straight tube wall cover (7) and circular arc wall cover (8) and delays pressure elastic band (9), outside the circular arc wall cover (8)
Wall is fixed with radiating fin (10), and the upper surface of the insulation shell (1) is equipped with static side cover board (11), and insulation shell (1)
Upper interior be provided with static conductive rod (12), the bottom of the static conductive rod (12) is fixed with contact (13), and contact (13)
Positioned beneath have bellows (14), the lower end surface of the insulation shell (1) is equipped with moved end cover board (15), and moved end cover board
(15) moving conductive rod (16) are fixed with below.
2. one kind according to claim 1 can explosion-proof heat radiating type vacuum interrupter, it is characterised in that: the circular arc layer wall
(3) it is divided into and is separated with three layers, and circular arc layer wall (3) is provided with cavity (4) between layers, and the section of circular arc layer wall (3)
In convex structure.
3. one kind according to claim 1 can explosion-proof heat radiating type vacuum interrupter, it is characterised in that: the buffer air bag
(5) central axes about circular arc layer wall (3) are annularly uniformly arranged, and buffer air bag (5) connects with the outer wall of circular arc wall cover (8)
Touching.
4. one kind according to claim 1 can explosion-proof heat radiating type vacuum interrupter, it is characterised in that: the radiating fin
(10) it is arranged along the vertical direction equidistant parallel of circular arc wall cover (8), and the section of circular arc wall cover (8) is in convex structure.
5. one kind according to claim 4 can explosion-proof heat radiating type vacuum interrupter, it is characterised in that: the radiating fin
It (10) is in 30 ° of angles between the vertical direction of circular arc wall cover (8), and to extend into buffer air bag (5) adjacent for radiating fin (10)
Between.
6. one kind according to claim 1 can explosion-proof heat radiating type vacuum interrupter, it is characterised in that: the moving conductive rod
(16) outer wall is arranged with gum cover (18), and gum cover (18) is externally-arranged with water proof set (17), and water proof set (17) is in folding
Stacked cylinder type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351921.0U CN209312663U (en) | 2019-03-20 | 2019-03-20 | One kind can explosion-proof heat radiating type vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351921.0U CN209312663U (en) | 2019-03-20 | 2019-03-20 | One kind can explosion-proof heat radiating type vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312663U true CN209312663U (en) | 2019-08-27 |
Family
ID=67682199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920351921.0U Expired - Fee Related CN209312663U (en) | 2019-03-20 | 2019-03-20 | One kind can explosion-proof heat radiating type vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312663U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767497A (en) * | 2019-11-27 | 2020-02-07 | 陕西森宝电力开关有限公司 | Explosion-proof vacuum circuit breaker arc extinguish chamber |
| CN114899037A (en) * | 2022-05-26 | 2022-08-12 | 国网安徽省电力有限公司青阳县供电公司 | Wisdom rural area electric wire netting current fault cuts off and uses circuit breaker |
| CN115274346A (en) * | 2022-08-25 | 2022-11-01 | 南京开关厂有限公司 | Quick breaking type vacuum circuit breaker based on ejection technology |
-
2019
- 2019-03-20 CN CN201920351921.0U patent/CN209312663U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767497A (en) * | 2019-11-27 | 2020-02-07 | 陕西森宝电力开关有限公司 | Explosion-proof vacuum circuit breaker arc extinguish chamber |
| CN114899037A (en) * | 2022-05-26 | 2022-08-12 | 国网安徽省电力有限公司青阳县供电公司 | Wisdom rural area electric wire netting current fault cuts off and uses circuit breaker |
| CN114899037B (en) * | 2022-05-26 | 2022-12-06 | 国网安徽省电力有限公司青阳县供电公司 | Wisdom rural area electric wire netting current fault cuts off and uses circuit breaker |
| CN115274346A (en) * | 2022-08-25 | 2022-11-01 | 南京开关厂有限公司 | Quick breaking type vacuum circuit breaker based on ejection technology |
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| 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: 20190827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |