CN203300584U - Arc extinguishing apparatus of breaker - Google Patents
Arc extinguishing apparatus of breaker Download PDFInfo
- Publication number
- CN203300584U CN203300584U CN2013203738390U CN201320373839U CN203300584U CN 203300584 U CN203300584 U CN 203300584U CN 2013203738390 U CN2013203738390 U CN 2013203738390U CN 201320373839 U CN201320373839 U CN 201320373839U CN 203300584 U CN203300584 U CN 203300584U
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- CN
- China
- Prior art keywords
- arc
- arc extinguishing
- extinguishing grid
- grid pieces
- leading angle
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- 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 - Lifetime
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Abstract
The utility model relates to an arc extinguishing apparatus of a breaker in the technical field of low voltage electric appliances. The following technical scheme is employed by the utility model, the arc extinguishing apparatus of the breaker is characterized in that arc extinguishing grid sheets are provided with arc igniting corners symmetrically at a port of a U-shaped port; each of the arc igniting corners is provided with a front baffle plate, an upper baffle plate and a side baffle plate which are arranged round the frond end of the arc extinguishing grid sheets; the side baffle plates of the arc igniting corners are arranged to inner side faces of the U-shaped port of the arc extinguishing grid sheets, and an arc extinguishing slit is formed between the side baffle plates of the two arc igniting corners; and positioning ribs are arranged on two side faces of the two side baffle plates, wherein the side faces are opposite to each other, and the positioning ribs are clamped in slits between adjacent arc extinguishing grid sheets to form up-down positioning of the arc igniting corners relative to the arc extinguishing grid sheets. By adopting the above scheme, the utility model provides the arc extinguishing apparatus of the breaker with simple structure and easy installation, and the arc extinguishing apparatus forms the slits to raise inner pressure of an explosion chamber and guides arc to enter into the arc extinguishing grid sheets rapidly, so as to effectively rise the arc extinguishing effect.
Description
Technical field
The utility model relates to the arc-control device of the circuit breaker in the low voltage electrical apparatus technology field.
Background technology
Existing arc extinguish chamber for moulded case circuit breaker structure is comprised of arc separating wall and arc-chute two parts, and its effect is exactly electric arc cooling, that elimination is produced by circuit breaker disjunction short circuit current.Although certain arc, arc extinguishing effect are arranged, it can not be protected the zone that is subjected to electric arc influence, and through the experimental study checking, arc quenching effect is not satisfactory.
Summary of the invention
The utility model overcomes the deficiency that prior art exists, and provides a kind of simple in structure, easy for installation and form slit and increase the internal pressure of having beaten arc control device, and pilot arc enters in arc extinguishing grid pieces fast, thereby has effectively improved arc quenching effect.
realize above-mentioned purpose, the utility model adopts following technical scheme, a kind of Arc Distinguishing Device for Circuit Breakers, include a left side, right two arc separating walls, be arranged on a left side, arc extinguishing grid pieces and arc striking piece between right two arc separating walls, offer the U-shaped mouth on arc extinguishing grid pieces, after arranging, the U-shaped mouth of a plurality of arc extinguishing grid pieces forms arc control device, it is characterized in that: the port that described arc extinguishing grid pieces is positioned at the U-shaped mouth is the symmetrical arc leading angle that is provided with respectively, arc leading angle has a front apron, overhead gage and side shield, the front apron of arc leading angle, overhead gage and side shield are around in the front end of arc extinguishing grid pieces, front end to arc extinguishing grid pieces forms encirclement setting, wherein the side shield of arc leading angle is placed on the medial surface of arc extinguishing grid pieces U-shaped mouth, form the arc extinguishing slit between the side shield of two arc leading angles, be provided with positioning bar on the two opposite sides face of the side shield of described two arc leading angles, positioning bar is clamped in gap between adjacent arc extinguishing grid pieces and forms the up and down location of arc leading angle with respect to arc extinguishing grid pieces.
By adopting such scheme, be that this arc-control device is easy for installation and form slit and increase the internal pressure of having beaten arc control device, pilot arc enters in arc extinguishing grid pieces fast, thereby has effectively improved arc quenching effect.
The utility model further arranges: described arc striking piece both sides are fixed between two arc separating walls by locating piece, form draw-in groove between the dual-side of arc striking piece and close arc end and two arc separating walls, all be fixedly installed spacing fixture block on the upper side of described two arc leading angle overhead gages, spacing fixture block is fastened in draw-in groove and forms the left and right location of arc leading angle with respect to arc extinguishing grid pieces; The front apron medial surface of described arc leading angle is conflicted on the port of arc extinguishing grid pieces U-shaped mouth, is provided with boss on the lateral surface of the front apron of arc leading angle, and this boss can be placed in the location notch of pedestal of circuit breaker.
By adopting such scheme, be further optimize product structure, the convenience of performance and use, wherein the setting of spacing fixture block is that arc leading angle is done the location, left and right, and the cooperation of boss and arc extinguishing grid pieces is the location to the fore-and-aft direction of arc leading angle, and the position of whole like this arc leading angle is just very firm.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the explosive view of the utility model embodiment;
Fig. 3 is that the arc leading angle of the utility model embodiment coordinates schematic diagram with arc extinguishing grid pieces;
Fig. 4 is the structural representation of the arc leading angle of the utility model embodiment;
Fig. 5 is the structural representation that lacks an arc leading angle of the utility model embodiment;
Fig. 6 is the use status architecture schematic diagram of the utility model embodiment.
Embodiment
as Fig. 1-shown in Figure 6, a kind of Arc Distinguishing Device for Circuit Breakers, include a left side, right two arc separating walls 1, be arranged on a left side, arc extinguishing grid pieces 2 and arc striking piece 3 between right two arc separating walls 1, offer U-shaped mouth 21 on arc extinguishing grid pieces 2, after arranging, the U-shaped mouth 21 of a plurality of arc extinguishing grid pieces 2 forms arc control device 22, in the present embodiment, the port that described arc extinguishing grid pieces 2 is positioned at U-shaped mouth 21 is the symmetrical arc leading angle 4 that is provided with respectively, arc leading angle 4 has a front apron 41, overhead gage 42 and side shield 43, the front apron 41 of arc leading angle 4, overhead gage 42 and side shield 43 are around in the front end of arc extinguishing grid pieces 2, front end to arc extinguishing grid pieces 2 forms encirclement setting, wherein the side shield 43 of arc leading angle 4 is placed on the medial surface 211 of arc extinguishing grid pieces 2U shape mouth 21, form arc extinguishing slit 44 between the side shield 43 of two arc leading angles 4, be provided with positioning bar 431 on the two opposite sides face of the side shield 43 of described two arc leading angles 4, positioning bar 431 is clamped in gap 23 between adjacent arc extinguishing grid pieces 2 and forms the up and down location of arc leading angle 4 with respect to arc extinguishing grid pieces 2, by adopting such scheme, that this arc-control device is easy for installation and form slit 44 and increased the internal pressure of arc control device 22, pilot arc enters in arc extinguishing grid pieces 2 fast, thereby effectively improved arc quenching effect.
In the utility model embodiment, described arc striking piece 3 both sides are fixed between two arc separating walls 1 by locating piece 31, form draw-in groove 33 between the dual-side of arc striking piece 3 and close arc end 32 and two arc separating walls 1, all be fixedly installed spacing fixture block 421 on the upper side of described two arc leading angle 4 overhead gages 42, spacing fixture block 421 is fastened on the left and right location of the interior formation arc leading angle 4 of draw-in groove 33 with respect to arc extinguishing grid pieces 2; Front apron 41 medial surfaces of described arc leading angle 4 are conflicted on the port 24 of arc extinguishing grid pieces 2U shape mouth, are provided with boss 411 on the lateral surface of the front apron 41 of arc leading angle 4, and this boss 411 can be placed in the location notch 5 of pedestal of circuit breaker.
Claims (3)
1. Arc Distinguishing Device for Circuit Breakers, include a left side, right two arc separating walls, be arranged on a left side, arc extinguishing grid pieces and arc striking piece between right two arc separating walls, offer the U-shaped mouth on arc extinguishing grid pieces, after arranging, the U-shaped mouth of a plurality of arc extinguishing grid pieces forms arc control device, it is characterized in that: the port that described arc extinguishing grid pieces is positioned at the U-shaped mouth is the symmetrical arc leading angle that is provided with respectively, arc leading angle has a front apron, overhead gage and side shield, the front apron of arc leading angle, overhead gage and side shield are around in the front end of arc extinguishing grid pieces, front end to arc extinguishing grid pieces forms encirclement setting, wherein the side shield of arc leading angle is placed on the medial surface of arc extinguishing grid pieces U-shaped mouth, form the arc extinguishing slit between the side shield of two arc leading angles, be provided with positioning bar on the two opposite sides face of the side shield of described two arc leading angles, positioning bar is clamped in gap between adjacent arc extinguishing grid pieces and forms the up and down location of arc leading angle with respect to arc extinguishing grid pieces.
2. Arc Distinguishing Device for Circuit Breakers according to claim 1, it is characterized in that: described arc striking piece both sides are fixed between two arc separating walls by locating piece, form draw-in groove between the dual-side of arc striking piece and close arc end and two arc separating walls, all be fixedly installed spacing fixture block on the upper side of described two arc leading angle overhead gages, spacing fixture block is fastened in draw-in groove and forms the left and right location of arc leading angle with respect to arc extinguishing grid pieces.
3. described Arc Distinguishing Device for Circuit Breakers according to claim 1 and 2, it is characterized in that: the front apron medial surface of described arc leading angle is conflicted on the port of arc extinguishing grid pieces U-shaped mouth, be provided with boss on the lateral surface of the front apron of arc leading angle, this boss can be placed in the location notch of pedestal of circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203738390U CN203300584U (en) | 2013-06-25 | 2013-06-25 | Arc extinguishing apparatus of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203738390U CN203300584U (en) | 2013-06-25 | 2013-06-25 | Arc extinguishing apparatus of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300584U true CN203300584U (en) | 2013-11-20 |
Family
ID=49576578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203738390U Expired - Lifetime CN203300584U (en) | 2013-06-25 | 2013-06-25 | Arc extinguishing apparatus of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300584U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134593A (en) * | 2014-08-18 | 2014-11-05 | 德力西电气有限公司 | Arc-control device and arc-control method of miniature circuit breaker |
| CN104134592A (en) * | 2014-08-13 | 2014-11-05 | 浙江天正电气股份有限公司 | Arc extinguishing chamber of breaker |
| CN104576250A (en) * | 2015-01-23 | 2015-04-29 | 常熟开关制造有限公司(原常熟开关厂） | Arc extinguish chamber structure of disconnector |
| CN105551855A (en) * | 2016-01-29 | 2016-05-04 | 池州市一鸣电气设备有限公司 | Arc extinguishing chamber |
| CN106971928A (en) * | 2017-05-18 | 2017-07-21 | 北京北元电器有限公司 | Arc extinguishing structure and breaker of plastic casing applied to breaker of plastic casing |
| CN107863282A (en) * | 2017-12-11 | 2018-03-30 | 常安集团有限公司 | The arc-chutes of breaker |
| CN107993905A (en) * | 2016-10-26 | 2018-05-04 | 杭州泰姆电气有限公司 | A kind of breaker |
-
2013
- 2013-06-25 CN CN2013203738390U patent/CN203300584U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134592A (en) * | 2014-08-13 | 2014-11-05 | 浙江天正电气股份有限公司 | Arc extinguishing chamber of breaker |
| CN104134593A (en) * | 2014-08-18 | 2014-11-05 | 德力西电气有限公司 | Arc-control device and arc-control method of miniature circuit breaker |
| CN104576250A (en) * | 2015-01-23 | 2015-04-29 | 常熟开关制造有限公司(原常熟开关厂） | Arc extinguish chamber structure of disconnector |
| CN105551855A (en) * | 2016-01-29 | 2016-05-04 | 池州市一鸣电气设备有限公司 | Arc extinguishing chamber |
| CN107993905A (en) * | 2016-10-26 | 2018-05-04 | 杭州泰姆电气有限公司 | A kind of breaker |
| CN107993905B (en) * | 2016-10-26 | 2020-04-28 | 杭州泰姆电气有限公司 | Circuit breaker |
| CN106971928A (en) * | 2017-05-18 | 2017-07-21 | 北京北元电器有限公司 | Arc extinguishing structure and breaker of plastic casing applied to breaker of plastic casing |
| CN107863282A (en) * | 2017-12-11 | 2018-03-30 | 常安集团有限公司 | The arc-chutes of breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
| CX01 | Expiry of patent term |