CN102368451A - Arc extinguish chamber device for circuit breaker - Google Patents
Arc extinguish chamber device for circuit breaker Download PDFInfo
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- CN102368451A CN102368451A CN2011103329290A CN201110332929A CN102368451A CN 102368451 A CN102368451 A CN 102368451A CN 2011103329290 A CN2011103329290 A CN 2011103329290A CN 201110332929 A CN201110332929 A CN 201110332929A CN 102368451 A CN102368451 A CN 102368451A
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- arc extinguishing
- grid pieces
- breach
- extinguishing grid
- arc
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Abstract
The invention discloses an arc extinguish chamber device for a circuit breaker, which comprises a plurality of arc extinction grids which are fixed between two flash barriers and arranged at intervals. A notch is arranged at the bottom of each arc extinction grid, wherein the arc extinction grid located at the uppermost end is a top arc extinction grid, and the arc extinction grids which are located below the top arc extinction grid are lower arc extinction grids. The arc extinguish chamber device is characterized in that: the notches at the bottoms of the adjacent lower arc extinction grids are symmetrical bilaterally in shape; and the notches at the bottoms of the adjacent lower arc extinction grids are alternatively stacked and arranged in a fish scale shape. The arc extinguish chamber device provided by the invention is simple in structure, has better arc extinction property and can be used for effectively improving the breaking ability of the circuit breaker.
Description
Technical field
the present invention relates to a kind of breaker arc extinguishing chamber device.
Background technology
arc control device device is the parts of an outbalance in the arc extinguishing system of circuit breaker, and it all is to refill in the arc control device arrangement cavity that is fitted on circuit breaker after adopting arc extinguishing grid pieces 1 to assemble riveted together with flash barrier 2 usually.In conjunction with Fig. 1,2,3, shown in 4; Can know present breaker arc extinguishing chamber device, positioning hole corresponding 2a rivets together and fixes on some convexities that its arc extinguishing grid pieces 1 (Fig. 2, Fig. 3) and flash barrier 2 (Fig. 4) are provided with through arc extinguishing grid pieces 1 both sides and the flash barrier 2.
In
existing above-mentioned arc control device device; Neighbouring arc extinguishing grid pieces 1 bottom notch shape size all consistent (all being to be symmetrical " ampuliform " breach); During assembling, marshalling is overlapping between the arc extinguishing grid pieces 1, and the noninterlace ginseng is inferior; Can not effectively cut the circuit breaker branch electric arc that produces of having no progeny like this, thereby cause the breaker arc extinguishing performance to reduce.In addition, be positioned at top in the existing arc control device device and bear the arc extinguishing grid pieces 1 of striking effect and lack effective striking position, the electric arc that makes the circuit breaker branch have no progeny to produce can not be rapidly effective entering arc control device; Simultaneously, flash barrier 2 areas in both sides are bigger, and the circuit breaker branch electric arc that produces of having no progeny can strengthen its carbonization area like this, reduces the striking performance, so present organization plan is difficult to the effectively break performance of lifting circuit breaker.
Summary of the invention
the present invention seeks to: provide a kind of simple in structure, and the better breaker arc extinguishing chamber device of arc extinction performance effectively improves the break performance of circuit breaker with this.
technical scheme of the present invention is: a kind of breaker arc extinguishing chamber device; Comprise being fixed on and be some arc extinguishing grid pieces of arranging in the gap between two flash barriers; The bottom of each arc extinguishing grid pieces is provided with breach; The arc extinguishing grid pieces that wherein is positioned at topmost is the top arc extinguishing grid pieces, and be positioned at arc extinguishing grid pieces below, top be the bottom arc extinguishing grid pieces; It is characterized in that the bottom notch shape left-right symmetric of said adjacent bottom arc extinguishing grid pieces, and be staggeredly stacked to arrange and be the fish scale shape.
as a rule; Do not limit for the shape of bottom arc extinguishing grid pieces bottom notch is concrete among the present invention, only need the notch geometry symmetry of two neighbouring bottom arc extinguishing grid pieces and can be staggeredly stacked to arrange to produce cataphracted form and get final product.But in the manufacturing process of reality, the present invention also has preferred form following:
The bottom of each bottom arc extinguishing grid pieces is provided with two sections breach described in
the present invention; Said first section breach is the rectangle breach; Said second section breach is eccentric " eight " font breach, and the both sides of said off-centre " eight " font breach link to each other with the top, both sides of rectangle breach.
perhaps; The bottom of each bottom arc extinguishing grid pieces described in the present invention is provided with two sections breach; Said first section breach is trapeze cut; Said second section breach is eccentric " eight " font breach, and the both sides of said off-centre " eight " font breach link to each other with the top, both sides of trapeze cut.Because the notch geometry of two neighbouring bottom arc extinguishing grid pieces needs left-right symmetric, so the eccentric direction of eccentric " eight " font breach in the bottom of two neighbouring bottom arc extinguishing grid pieces alternately distributes.
For the electric arc that makes the circuit breaker branch have no progeny to produce can be introduced in the arc control device more fast, the present invention further makes following improvement:
The top arc extinguishing grid pieces is provided with the striking sheet that raises up described in
the present invention.
are further preferred, and angle is a between sheet of striking described in the present invention and the top arc extinguishing grid pieces, 30 °≤a≤90 °.
are further preferred, and the sheet of striking described in the present invention one is connected in the breach inner edge top on the arc extinguishing grid pieces of top.
The introducing of
said striking sheet can make that the magnetic line of force on the arc extinguishing grid pieces breach inner edge of top is more concentrated, strengthens suction, thereby makes electric arc to be introduced in the arc control device more rapidly.Certainly because generally speaking, electric arc all is to contact the top arc extinguishing grid pieces at first, gets final product so also only on the arc extinguishing grid pieces of top, increase arc quenching plate among the present invention.The same routine techniques of notch geometry among the present invention on the arc extinguishing grid pieces of top does not improve.
are preferred, and flash barrier described in the present invention is H shape.The flash barrier of both sides is designed to H shape, its objective is to reduce the carbonization area, raising striking performance is further accelerated extinguishing of electric arc with this.
are the same with routine techniques, and the both sides of each arc extinguishing grid pieces according to the invention (comprising top arc extinguishing grid pieces and bottom arc extinguishing grid pieces) are equipped with some convexities, supply protruding supporting into the fixing location hole of riveted and have on the flash barrier.
this breaker arc extinguishing chamber device provided by the invention is the same with routine techniques when assembling, and its arc control device placing chamber of putting into breaker body by correct direction is got final product.
Advantage of the present invention is:
this Arc Distinguishing Device for Circuit Breakers 1. provided by the invention is compared prior art, and its striking is rapid, and arc extinction performance is better, can effectively improve the break performance of circuit breaker.
this Arc Distinguishing Device for Circuit Breakers 2. provided by the invention; Its technical scheme is simple; The original appearance structure of breaker body can not changed; And do not influence on the basis of its operating characteristic, change through simple planform, solve the problem that electric arc can not effectively get into arc control device fast.
this Arc Distinguishing Device for Circuit Breakers 3. provided by the invention; The same with routine techniques, need not increase other corollary apparatus, so when improving break performance greatly; Do not increase cost, thereby help improving the competitiveness of product in market.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of existing breaker arc extinguishing chamber device;
Fig. 2 is for being positioned at the independent structural representation of arc extinguishing grid pieces at top among Fig. 1;
Fig. 3 is for being positioned at the independent structural representation of arc extinguishing grid pieces of arc extinguishing grid pieces below, top among Fig. 1;
Fig. 4 is the independent structural representation of flash barrier among Fig. 1.
Fig. 5 is the structural representation of a kind of specific embodiment of the present invention;
Fig. 6 is the independent structural representation (end view) of top arc extinguishing grid pieces among Fig. 5;
Fig. 7 is the independent structural representation of Fig. 5 middle and lower part arc extinguishing grid pieces;
Fig. 8 is the independent structural representation of flash barrier among Fig. 5.
wherein: 1, arc extinguishing grid pieces; 1a, top arc extinguishing grid pieces; 1b, bottom arc extinguishing grid pieces; 2, flash barrier; 2a, location hole; 3, first section breach; 4, second section breach; 5, striking sheet.
Embodiment
embodiment: at first combine Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; Can know existing circuit breaker arc control device device, its neighbouring arc extinguishing grid pieces 1 bottom notch shape size all consistent (all being to be symmetrical " ampuliform " breach) is during assembling; Marshalling is overlapping between the arc extinguishing grid pieces 1; And noninterlace ginseng time, can not effectively cut the circuit breaker branch electric arc that produces of having no progeny like this, thereby cause the breaker arc extinguishing performance to reduce.In addition, be positioned at top in the existing arc control device device and bear the arc extinguishing grid pieces 1 of striking effect and lack effective striking position, the electric arc that makes the circuit breaker branch have no progeny to produce can not be rapidly effective entering arc control device; Simultaneously, flash barrier 2 areas in both sides are bigger, and the circuit breaker branch electric arc that produces of having no progeny can strengthen its carbonization area like this, reduces the striking performance, so present organization plan is difficult to electric arc is extinguished fast, also just is difficult to the effectively break performance of lifting circuit breaker.
combine Fig. 5, Fig. 6, Fig. 7, shown in Figure 8 be a kind of specific embodiment of this breaker arc extinguishing chamber device provided by the invention, it is by two flash barriers 2 and be fixed on 2 of two flash barriers and be 15 arc extinguishing grid pieces 1 of arranging in the gap and constitute jointly.The bottom of each arc extinguishing grid pieces 1 is equipped with breach, and the arc extinguishing grid pieces that wherein is positioned at topmost is top arc extinguishing grid pieces 1a, is bottom arc extinguishing grid pieces 1b and be positioned at below the arc extinguishing grid pieces 1a of top.The same with routine techniques, the both sides of each arc extinguishing grid pieces 1 are equipped with some convexities described in the present embodiment, supply protruding supporting into the fixing location hole 2a of riveted and have on the flash barrier 2.
Such as the prior art of Fig. 1-Fig. 4, improvement of the present invention is following:
said top arc extinguishing grid pieces 1a is provided with the striking sheet 5 that raises up, and these striking sheet 5 one are connected in the breach inner edge top on the arc extinguishing grid pieces 1a of top.And angle is a between said striking sheet 5 and the top arc extinguishing grid pieces 1a, in the present embodiment a=60 °.The introducing of said striking sheet 5 can make that the magnetic line of force on the arc extinguishing grid pieces 1a breach inner edge of top is more concentrated, strengthens suction, thereby makes electric arc to be introduced in the arc control device more rapidly.
The bottom notch shape left-right symmetric of
said adjacent bottom arc extinguishing grid pieces 1b, and be staggeredly stacked to arrange and be the fish scale shape.The bottom of each bottom arc extinguishing grid pieces 1b is provided with two sections breach, and said first section breach 3 is the rectangle breach, and said second section breach 4 is eccentric " eight " font breach, and the both sides of said off-centre " eight " font breach link to each other with the top, both sides of rectangle breach.Because the notch geometry of two neighbouring bottom arc extinguishing grid pieces 1b needs left-right symmetric, so the eccentric direction of eccentric " eight " font breach in the bottom of two neighbouring bottom arc extinguishing grid pieces 1b alternately distributes.Bottom arc extinguishing grid pieces 1b adopts the fish scale shape arrangement form of above-mentioned staggered ginseng time to be beneficial to the circuit breaker branch electric arc that produces of having no progeny is effectively cut, and improves arc extinction performance greatly.
The flash barrier 2 of both sides all is H shape described in
present embodiment.The flash barrier 2 of both sides is designed to H shape, and purpose is to reduce the carbonization area, and raising striking performance is further accelerated extinguishing of electric arc with this.
This breaker arc extinguishing chamber device that
present embodiment provides is the same with routine techniques when assembling, and its arc control device placing chamber of putting into breaker body according to correct direction is got final product, and process is extremely succinctly convenient.
the foregoing description certainly only are explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All modifications that the spirit of main technical schemes is done according to the present invention all should be encompassed within protection scope of the present invention.
Claims (8)
1. breaker arc extinguishing chamber device; Comprise being fixed on and be some arc extinguishing grid pieces (1) of arranging in the gap between two flash barriers (2); The bottom of each arc extinguishing grid pieces (1) is provided with breach; The arc extinguishing grid pieces that wherein is positioned at topmost is top arc extinguishing grid pieces (1a), is bottom arc extinguishing grid pieces (1b) and be positioned at below the top arc extinguishing grid pieces (1a); It is characterized in that the bottom notch shape left-right symmetric of said adjacent bottom arc extinguishing grid pieces (1b), and be staggeredly stacked to arrange and be the fish scale shape.
2. breaker arc extinguishing chamber device according to claim 1; The bottom that it is characterized in that said each bottom arc extinguishing grid pieces (1b) is provided with two sections breach; Said first section breach (3) is the rectangle breach; Said second section breach (4) is eccentric " eight " font breach, and the both sides of said off-centre " eight " font breach link to each other with the top, both sides of rectangle breach.
3. breaker arc extinguishing chamber device according to claim 1; The bottom that it is characterized in that said each bottom arc extinguishing grid pieces is provided with two sections breach; Said first section breach (3) is trapeze cut; Said second section breach (4) is eccentric " eight " font breach, and the both sides of said off-centre " eight " font breach link to each other with the top, both sides of trapeze cut.
4. according to claim 1 or 2 or 3 described breaker arc extinguishing chamber devices, it is characterized in that said top arc extinguishing grid pieces (1a) is provided with the striking sheet (5) that raises up.
5. breaker arc extinguishing chamber device according to claim 4 is characterized in that angle is a between said striking sheet (5) and the top arc extinguishing grid pieces (1a), 30 °≤a≤90 °.
6. breaker arc extinguishing chamber device according to claim 4 is characterized in that said striking sheet (5) one is connected in the breach inner edge top on the top arc extinguishing grid pieces (1a).
7. breaker arc extinguishing chamber device according to claim 1 is characterized in that said flash barrier (2) is H shape.
8. according to claim 1 or 7 described breaker arc extinguishing chamber devices, it is characterized in that the both sides of said each arc extinguishing grid pieces (1) are equipped with convexity, supply protruding supporting into the fixing location hole (2a) of riveted and have on the flash barrier (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103329290A CN102368451A (en) | 2011-10-28 | 2011-10-28 | Arc extinguish chamber device for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103329290A CN102368451A (en) | 2011-10-28 | 2011-10-28 | Arc extinguish chamber device for circuit breaker |
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| Publication Number | Publication Date |
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| CN102368451A true CN102368451A (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103329290A Pending CN102368451A (en) | 2011-10-28 | 2011-10-28 | Arc extinguish chamber device for circuit breaker |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426670A (en) * | 2013-09-02 | 2013-12-04 | 浙江大华开关厂 | Breaker contact arc extinguishing system |
| CN104221112A (en) * | 2012-04-12 | 2014-12-17 | Abb有限公司 | Electric current switching apparatus |
| CN109119306A (en) * | 2018-09-30 | 2019-01-01 | 无锡新宏泰电器科技股份有限公司 | A kind of arc-chutes and the breaker with it |
| CN112447460A (en) * | 2019-08-29 | 2021-03-05 | 北京京人电器有限公司 | Arc extinguish chamber of circuit breaker |
| CN114360979A (en) * | 2021-12-17 | 2022-04-15 | 北京中车赛德铁道电气科技有限公司 | Arc extinguishing grid structure |
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| CN2899092Y (en) * | 2006-01-25 | 2007-05-09 | 大全集团有限公司 | Arc-extinguishing grid and arc-extinguishing chamber for circuit breaker |
| CN201072714Y (en) * | 2007-07-06 | 2008-06-11 | 施耐德电器工业公司 | Arc extinguishing grid device |
| CN101853751A (en) * | 2009-11-20 | 2010-10-06 | 大全集团有限公司 | Arc extinguishing system of circuit breaker |
| CN101908450A (en) * | 2010-07-20 | 2010-12-08 | 中国船舶重工集团公司第七一二研究所 | Direct current quick breaker |
| CN102074425A (en) * | 2011-02-11 | 2011-05-25 | 常熟开关制造有限公司(原常熟开关厂） | Miniature circuit breaker |
| CN202268271U (en) * | 2011-10-28 | 2012-06-06 | 法泰电器（江苏）股份有限公司 | Arc-extinguishing chamber device of circuit breaker |
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2011
- 2011-10-28 CN CN2011103329290A patent/CN102368451A/en active Pending
Patent Citations (6)
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| CN2899092Y (en) * | 2006-01-25 | 2007-05-09 | 大全集团有限公司 | Arc-extinguishing grid and arc-extinguishing chamber for circuit breaker |
| CN201072714Y (en) * | 2007-07-06 | 2008-06-11 | 施耐德电器工业公司 | Arc extinguishing grid device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221112A (en) * | 2012-04-12 | 2014-12-17 | Abb有限公司 | Electric current switching apparatus |
| US9425003B2 (en) | 2012-04-12 | 2016-08-23 | Abb Oy | Electric current switching apparatus |
| CN103426670A (en) * | 2013-09-02 | 2013-12-04 | 浙江大华开关厂 | Breaker contact arc extinguishing system |
| CN103426670B (en) * | 2013-09-02 | 2015-06-24 | 浙江大华电气有限公司 | Breaker contact arc extinguishing system |
| CN109119306A (en) * | 2018-09-30 | 2019-01-01 | 无锡新宏泰电器科技股份有限公司 | A kind of arc-chutes and the breaker with it |
| CN112447460A (en) * | 2019-08-29 | 2021-03-05 | 北京京人电器有限公司 | Arc extinguish chamber of circuit breaker |
| CN112447460B (en) * | 2019-08-29 | 2023-01-10 | 北京京人电器有限公司 | Arc extinguish chamber of circuit breaker |
| CN114360979A (en) * | 2021-12-17 | 2022-04-15 | 北京中车赛德铁道电气科技有限公司 | Arc extinguishing grid structure |
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Application publication date: 20120307 |