CN207852600U - A kind of flash barrier applied to breaker - Google Patents
A kind of flash barrier applied to breaker Download PDFInfo
- Publication number
- CN207852600U CN207852600U CN201721391199.0U CN201721391199U CN207852600U CN 207852600 U CN207852600 U CN 207852600U CN 201721391199 U CN201721391199 U CN 201721391199U CN 207852600 U CN207852600 U CN 207852600U
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- CN
- China
- Prior art keywords
- flash barrier
- arc
- flash
- breaker
- shaped
- 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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Abstract
The utility model discloses a kind of flash barriers applied to breaker, it is characterised in that：The flash barrier is set as copper-tungsten part, and the flash barrier is set as S-shaped, and the S-shaped flash barrier grid wall is set as waveform, round mesh is provided on the flash barrier grid wall.In dynamic and static contact breaking current, arcing is introduced into arc-chutes.Separate through arc-chutes arc extinguishing grid pieces, remaining electric arc is divided into section by flash barrier, by flash barrier, S-shaped grid wall is set as wave-like, considerably increases the contact area of electric arc and air, increases absorption and the cooling velocity of electric arc, secondary arc extinguishing is effectively carried out, arc light is largely reduced and escapes.At the same time, the mesh of flash barrier can intercept the spray slag of circuit breaker internal generation.
Description
Technical field
The utility model is related to a kind of breaker parts, in particular to a kind of flash barrier applied to breaker.
Background technology
Currently, in the similar switching circuit such as intelligent breaker or control and protective switching device, it is equipped with for taking off
When short circuit or overload occur again for the magnetictrip of mouth, magnetictrip can quick disconnecting circuit.As intelligent breaker weight
The internal part wanted, volume, economic and technical performance directly affect the performance of intelligent breaker.Existing miniature circuit breaker one
As by the moving contact, static contact and arc-chutes of buckle releaser realize that the folding of breaker and arc extinguishing act on.Low-voltage circuit breaker disjunction
When the high fever that generates make to form very high draught head with extraneous in contact cavities, generate injection gas, spray in gas and contain electric arc.
Electric arc guides arc-chutes by flash barrier and arc striking piece.Arcing passes through the gas vent on Shell of circuit breaker after arc-chutes arc extinguishing
It sprays.Above-mentioned breaker arc extinguishing mode, which exists, to be not thorough, and arc light is excessive, so that the electric conductor of circuit breaker internal is connected and is charged, and
Gas vent has the defects of spray slag, not only influences breaker service life, exists simultaneously security risk, cause serious phase fault
And ground fault.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of flash barrier applied to breaker, the flash barrier
It is set as surface modeling, increases the contact area with having electronic gas, improves arc extinction performance.
To solve the above-mentioned problems, the utility model adopts the following technical solution：
A kind of flash barrier applied to breaker, it is characterised in that：
The flash barrier is set as copper-tungsten part, and the flash barrier is set as S-shaped, and the S-shaped flash barrier grid wall is set as wave
Shape wave is provided with round mesh on the flash barrier grid wall；
The circle mesh is closely distributed side by side, and round bore dia maximum is no more than 2mm.
The utility model has the advantages that：In dynamic and static contact breaking current, arcing is introduced into arc-chutes.It goes out through arc-chutes
Arc grid is separated, and remaining electric arc is divided into section, S-shaped grid wall to be set as wave-like, considerably increase by flash barrier, by flash barrier
The contact area of electric arc and air increases absorption and the cooling velocity of electric arc, effectively carries out secondary arc extinguishing, largely reduce arc light
It escapes.At the same time, the mesh of flash barrier can intercept the spray slag of circuit breaker internal generation.
Description of the drawings
Fig. 1 is shown flash barrier axis side schematic diagram；
Fig. 2 is shown flash barrier vertical view.
Specific implementation mode
Illustrate the technical solution of the utility model in order to clearer, in the following with reference to the drawings and specific embodiments to this practicality
It is novel to be further described in detail.
As shown in Figure 1 and Figure 2, flash barrier described in the utility model is set as copper-tungsten part, and the flash barrier is set as S-shaped, institute
It states S-shaped flash barrier grid wall and is set as waveform, round mesh is provided on the flash barrier grid wall；The circle mesh is closely side by side
Distribution, round mesh diameter maximum are no more than 2mm.
The flash barrier is installed at the exhaust hole path at arc-chutes rear, when moving contact and the static contact disjunction of breaker
When electric current, the arcing generated between contact sprays to the S being arranged at exhaust hole path after the partition of the arc extinguishing grid pieces of arc-chutes is cooling
Shape flash barrier carries out secondary arc extinguishing.S-shaped grid wall is set as wave-like, considerably increases the contact area of electric arc and air, increases
The absorption of electric arc and cooling velocity, make the more efficient progress of secondary arc extinguishing, largely reduce arc light and escape.At the same time, arc
The mesh of grid can intercept the spray slag of circuit breaker internal generation.
Claims (2)
1. a kind of flash barrier applied to breaker, it is characterised in that：The flash barrier is set as copper-tungsten part, the flash barrier
It is set as S-shaped, the S-shaped flash barrier grid wall is set as waveform, round mesh is provided on the flash barrier grid wall.
2. flash barrier grid wall mesh according to claim 1, it is characterised in that：The circle mesh is closely distributed side by side,
Round mesh diameter maximum is no more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391199.0U CN207852600U (en) | 2017-10-27 | 2017-10-27 | A kind of flash barrier applied to breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391199.0U CN207852600U (en) | 2017-10-27 | 2017-10-27 | A kind of flash barrier applied to breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852600U true CN207852600U (en) | 2018-09-11 |
Family
ID=63426440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721391199.0U Expired - Fee Related CN207852600U (en) | 2017-10-27 | 2017-10-27 | A kind of flash barrier applied to breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601122A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Cable trench for prefabricated substation |
-
2017
- 2017-10-27 CN CN201721391199.0U patent/CN207852600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601122A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Cable trench for prefabricated substation |
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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: 20180911 Termination date: 20191027 |