CN201910384U - Arc extinguish chamber of direct-current quick breaker - Google Patents
Arc extinguish chamber of direct-current quick breaker Download PDFInfo
- Publication number
- CN201910384U CN201910384U CN2010202683630U CN201020268363U CN201910384U CN 201910384 U CN201910384 U CN 201910384U CN 2010202683630 U CN2010202683630 U CN 2010202683630U CN 201020268363 U CN201020268363 U CN 201020268363U CN 201910384 U CN201910384 U CN 201910384U
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- gate sheet
- metal gate
- control device
- arc control
- arc
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Abstract
The utility model relates to an arc extinguish chamber of a direct-current quick breaker, which is particularly suitable for the direct-current quick breaker with high requirements of short-circuit breaking current. The arc extinguish chamber comprises a pair of insulating shells and an arc-striking angle. The inner cavity of the arc extinguish chamber is provided with metal grids, insulating grids and a cross dummy plate, wherein the metal grids and the insulating grids are installed in the middle part of the arc extinguish chamber and the cross dummy plate is installed at the upper part of the arc extinguish chamber. The sides of the metal grids, which face the bottom part of the arc extinguish chamber, is the lower sides, and a notch with a downward opening is installed on each lower side. The metal grids comprise two kinds of grids, including straight-plate metal grids and U-shaped metal grids. The arc extinguish chamber has the advantages of strong arc-extinguish ability, simple structure, small size and convenience in installation and maintenance.
Description
Technical field
The utility model relates to the direct current quick breaker arc control device, is particularly suitable for the arc control device of the direct current quick breaker of having relatively high expectations as short circuit breaking current.
Background technology
Existing most of direct current quick breaker adopts traditional grid chip arc control device with arc control device, its metal gate sheet has the symmetrical inverted V-shaped laminated structure of rule, and the notch end face of metal gate sheet is concordant, it is bigger that this makes that electric arc enters the resistance ratios that arc control device run into, particularly in big electric current disjunction, electric arc can not enter into the metal gate sheet fast, arc voltage rises slowly, arcing time increases, in addition, the concordant metal gate sheet of notch end face also is unfavorable for elongating electric arc, is unfavorable for extinguishing of electric arc.
Summary of the invention
The purpose of this utility model is, overcome shortcoming of the prior art, a kind of improved direct current quick breaker arc control device are provided, and this direct current quick breaker can be set up arc voltage fast, reduces resistance, the length of elongating electric arc that electric arc enters arc control device, reduce the arcing time with arc control device.
The technical solution of the utility model is as follows:
Described arc control device comprise a pair of insulation shell, and arc leading angle includes metal gate sheet, insulated gate sheet, diaphragm plate in the arc control device inner chamber; Wherein metal gate sheet and insulated gate sheet are positioned at the middle part of arc control device, and diaphragm plate is positioned at the top of arc control device; Described metal gate plate plane partly is positive, one side towards the arc control device bottom be bottom, there is downward opening notch in positive bottom; Described metal gate sheet has two kinds: a kind of is board-type metal gate sheet, and its profile side of each monolithic is a linear, and the front is a planar shaped, and notch is that the asymmetric inverted V-shaped that one is long and the other is short drawn in " V " word two; Another kind is a U type metal gate sheet, is formed by the monolithic whole bending, and the side is " U " font, and the front is plane wide at the top and narrow at the bottom, and the notch of U type metal gate sheet bottom is that isometric symmetrical inverted V-shaped drawn in " V " word two.
U type metal gate sheet described in the utility model is one, is installed in the arc control device middle part, above circuit breaker fracture middle part; Board-type metal gate sheet has several, is installed in U type metal gate sheet both sides; Every adjacent two metal gate sheets keep the same intervals distance; Board-type metal gate sheet is staggered, and the notch of the board-type metal gate sheet after stack is arranged constitutes symmetrical inverted V-shaped passage.
The notch end face of U type metal gate sheet described in the utility model is below the notch end face of board-type metal gate sheet.
Arc leading angle described in the utility model is positioned at the arc control device both sides, and arc leading angle one end keeps at a certain distance away with the metal gate sheet in arc control device, and the other end is connected with breaker body by crimping.
Arc leading angle described in the utility model both sides have the side channel mouth, and the width of this side channel mouth is greater than the boss width corresponding to the insulation shell rigging position, so that arc leading angle can move along side channel mouth Width.
The lower part, space of arc control device inner chamber described in the utility model is less than top.
Align respectively with the sideline, upper surface of metal gate sheet in the sideline, lower surface of the utility model insulated gate sheet described in the utility model, diaphragm plate; The material of described insulation shell, insulated gate sheet, diaphragm plate is a glass fiber reinforced unsaturated polyester plastic, and the material of metal gate sheet is the copper facing iron plate.
The notch angle of board-type metal gate sheet described in the utility model is 40 degree～90 degree.
The notch angle of U type metal gate sheet described in the utility model is 75 degree～105 degree.
It is 2～8 millimeters that metal gate sheet described in the utility model keeps spacing distance.
Obvious technical effects of the present utility model:
1, by U type metal gate sheet is installed in arc control device central authorities, make the dynamic/static contact of circuit breaker be subjected to strong upwards attraction, thereby make electric arc enter into the arc control device depths fast at the electric arc of separately starting stage generation, effectively set up arc voltage;
2, pass through the shape and the arrangement mode of the notch of change sheet metal grid sheet, reduce the resistance that electric arc enters arc control device, and elongate the length of electric arc, and utilize the metal gate sheet electric arc to be divided into the short arc of some;
3, by elongating the length of short arc, strengthen the contact area of short arc and air, increase the liberation that goes of electric arc, be beneficial to extinguishing of electric arc;
4, by changing the material of insulated gate sheet, diaphragm plate and arc control device insulation shell, make electric arc produce the strong liberation that goes, impel the electric arc arc column to shrink, improve arc resistance and arc voltage;
5, by metal gate sheet, insulated gate sheet and the rational deployment of diaphragm plate in arc control device, make the arc control device inner chamber when electric arc produces, produce big draught head, impel electric arc to transfer to arc control device fast, reduce the resistance that electric arc enters arc control device greatly, reduce the arcing time, improve the arc extinguishing ability of arc control device.
Description of drawings
Fig. 1 shifts out the expansion schematic diagram for the internal structure of the utility model arc control device;
Fig. 2 is the arc control device of the insulation shell demonstration on one side internal structure schematic diagram that conceals of the present utility model;
Fig. 3 is a board-type metal gate sheet schematic diagram, and its profile side of each monolithic is a linear, and the front is a planar shaped, and notch is that the asymmetric inverted V-shaped that one is long and the other is short drawn in " V " word two;
Fig. 4 is a U type metal gate sheet schematic diagram, is formed by the monolithic whole bending, and the side is " U " font, and the front is plane wide at the top and narrow at the bottom, and the notch of U type metal gate sheet bottom is that isometric symmetrical inverted V-shaped drawn in " V " word two;
Fig. 5 is the staggered schematic diagram of installing of board-type metal gate sheet; Shown in by two staggered installations wherein, break line among the figure for showing nexine a slice notch, notch " V " the shape passage that stack forms is symmetrical inverted V-shaped;
Fig. 6 has the arc leading angle schematic diagram of side channel mouth for both sides;
Fig. 7 is the perspective view of the arc control device of an embodiment of the utility model, and arc control device have 4 diaphragm plates, is the structural representation after Fig. 1 assembles;
Fig. 8 is the perspective view of the arc control device of another embodiment of the utility model, and arc control device have 2 diaphragm plates.
The name of each mark is called among the figure: breaker body-1, circuit breaker fracture middle part-1.4 arc control device-2, notch-2.01 (notch of board-type metal gate sheet), notch-2.02 (notch of U type metal gate sheet), insulation shell-2.1, location slot-2.12, arc leading angle-2.2, side channel mouth-2.21, metal gate sheet-2.3, insulated gate sheet-2.4, diaphragm plate-2.5, board-type metal gate sheet-2.31, U type metal gate sheet-2.32.
Embodiment
That the utility model is described in further detail is as follows below in conjunction with drawings and Examples:
Embodiment 1:
As shown in Figure 1, 2: be a kind of direct current quick breaker arc control device, arc control device 2 have a pair of insulation shell 2.1, and a pair of arc leading angle 2.2 has metal gate sheet 2.3, insulated gate sheet 2.4, reaches 4 diaphragm plates 2.5 in arc control device 2 inner chambers; Wherein metal gate sheet 2.3 and insulated gate sheet 2.4 are positioned at the middle part of arc control device 2, and diaphragm plate 2.5 is positioned at the top of arc control device 2; Present embodiment is shown in Fig. 2,7: a pair of insulation shell 2.1 is arranged, a pair of arc leading angle 2.2, metal gate sheet 2.3, insulated gate sheet 2.4, and 4 diaphragm plates 2.5 form arc control device 2; Described metal gate sheet 2.3 planar sections are positive, one side towards arc control device 2 bottoms be bottom, there is downward opening notch in positive bottom; Described metal gate sheet 2.3 has two kinds: shown in Fig. 3,5: a kind of is board-type metal gate sheet 2.31, and its profile side of each monolithic is a linear, and the front is a planar shaped, and notch 2.01 is that the asymmetric inverted V-shaped that one is long and the other is short drawn in " V " word two; As shown in Figure 4: another kind is a U type metal gate sheet 2.32, is formed by the monolithic whole bending, and the side is " U " font, and the front is plane wide at the top and narrow at the bottom, and the notch 2.02 of U type metal gate sheet bottom is that isometric symmetrical inverted V-shaped drawn in " V " word two.As Fig. 1,2: described U type metal gate sheet 2.32 is one, is installed in arc control device 2 middle parts, above circuit breaker fracture middle part 1.4; Board-type metal gate sheet 2.31 has several, is installed in U type metal gate sheet 2.32 both sides; Every adjacent two metal gate sheets 2.3 keep the same intervals distance; As shown in Figure 5: board-type metal gate sheet 2.31 is staggered, and the notch 2.01 of the board-type metal gate sheet 2.31 after stack is arranged constitutes symmetrical inverted V-shaped passage.Shown in Fig. 2,4: notch 2.02 end faces of described U type metal gate sheet 2.32 are below notch 2.01 end faces of board-type metal gate sheet 2.31.Shown in Fig. 1,2,6,7: described arc leading angle 2.2 is positioned at arc control device 2 both sides, and arc leading angle 2.2 1 ends keep at a certain distance away with metal gate sheet 2.3 in arc control device 2, and the other end is connected with breaker body 1 by crimping.As shown in Figure 6: described arc leading angle 2.2 both sides have side channel mouth 2.21, and the width of this side channel mouth 2.21 is greater than the boss width corresponding to insulation shell 2.1 rigging positions, so that arc leading angle 2.2 can move along side channel mouth 2.21 Widths.The lower part, space of described arc control device 2 inner chambers is less than top.As shown in Figure 2: align respectively with the sideline, upper surface of metal gate sheet 2.3 in the sideline, lower surface of described insulated gate sheet 2.4, diaphragm plate 2.5; Insulated gate sheet 2.4 and diaphragm plate 2.5 are installed in the location slot 2.12 of insulation shell 2.1 by the interval the same with board-type metal gate sheet 2.31, and being positioned at the top of board-type metal gate sheet 2.31 and U type metal gate sheet 2.32, the insulated gate sheet 2.4 of every interval some inserts a diaphragm plate 2.5.Insulated gate sheet 2.4 profiles are identical with board-type metal gate sheet 2.31 profiles or be equal to; The height of the height of the described insulated gate sheet 2.4 of present embodiment and board-type metal gate sheet 2.31 is identical or be equal to.The material of described insulation shell 2.1, insulated gate sheet 2.4, diaphragm plate 2.5 is a glass fiber reinforced unsaturated polyester plastic, and the material of metal gate sheet 2.3 is the copper facing iron plate.Notch 2.01 angles of described board-type metal gate sheet 2.31 are 40 degree～90 degree, and present embodiment is elected 60 degree as.Notch 2.02 angles of described U type metal gate sheet 2.32 are 75 degree～105 degree, and present embodiment is elected 90 degree as.It is 2～8 millimeters that described metal gate sheet 2.3 keeps spacing distance, and present embodiment is elected 6 millimeters as.
Embodiment 2:
Different with the foregoing description 1 is, present embodiment arc control device 2 as shown in Figure 8: a pair of insulation shell 2.1 is arranged, a pair of arc leading angle 2.2, metal gate sheet 2.3, insulated gate sheet 2.4, and 2 diaphragm plates 2.5 form arc control device 2; The present embodiment structure decrease board-type metal gate sheet 2.31, the quantity of insulated gate sheet 2.4, diaphragm plate 2.5, and the corresponding length that reduces insulation shell 2.1, this embodiment can be applicable on the lower circuit breaker of electric pressure.Notch 2.01 angles of described board-type metal gate sheet 2.31 are 90 degree.Notch 2.02 angles of described U type metal gate sheet 2.32 are 105 degree, and it is 8 millimeters that described metal gate sheet 2.3 keeps spacing distance.
Embodiment 3:
Different with the foregoing description 2 is that notch 2.01 angles of the described board-type metal gate of present embodiment sheet 2.31 are 40 degree.Notch 2.02 angles of described U type metal gate sheet 2.32 are 75 degree, and it is 2 millimeters that described metal gate sheet 2.3 keeps spacing distance.
The utility model claim protection range is not limited to the foregoing description.
Claims (10)
1. direct current quick breaker arc control device is characterized in that, described arc control device (2) comprise a pair of insulation shell (2.1), and arc leading angle (2.2) includes metal gate sheet (2.3), insulated gate sheet (2.4), diaphragm plate (2.5) in arc control device (2) inner chamber; Wherein metal gate sheet (2.3) and insulated gate sheet (2.4) are positioned at the middle part of arc control device (2), and diaphragm plate (2.5) is positioned at the top of arc control device (2); Described metal gate sheet (2.3) planar section is positive, towards arc control device (2) one side the bottom be bottom, there is downward opening notch in positive bottom; Described metal gate sheet (2.3) has two kinds: a kind of is board-type metal gate sheet (2.31), and its profile side of each monolithic is a linear, and the front is a planar shaped, and notch is that the asymmetric inverted V-shaped that one is long and the other is short drawn in " V " word two; Another kind is a U type metal gate sheet (2.32), is formed by the monolithic whole bending, and the side is " U " font, and the front is plane wide at the top and narrow at the bottom, and the notch (2.02) of grid sheet bottom is that isometric symmetrical inverted V-shaped drawn in " V " word two.
2. direct current quick breaker arc control device as claimed in claim 1 is characterized in that, described U type metal gate sheet (2.32) is one, are installed in arc control device (2) middle part, in top, circuit breaker fracture middle part (1.4); Board-type metal gate sheet (2.31) has several, is installed in U type metal gate sheet (2.32) both sides; Every adjacent two metal gate sheets (2.3) keep the same intervals distance; Board-type metal gate sheet (2.31) is staggered, and the notch (2.01) of the board-type metal gate sheet (2.31) after stack is arranged constitutes symmetrical inverted V-shaped passage.
3. direct current quick breaker arc control device as claimed in claim 1 is characterized in that, notch (2.02) end face of described U type metal gate sheet (2.32) is in notch (2.01) the end face below of board-type metal gate sheet (2.31).
4. direct current quick breaker arc control device as claimed in claim 1, it is characterized in that, described arc leading angle (2.2) is positioned at arc control device (2) both sides, arc leading angle (2.2) one ends keep at a certain distance away with metal gate sheet (2.3) in arc control device (2), and the other end is connected with breaker body (1) by crimping.
5. direct current quick breaker arc control device as claimed in claim 1, it is characterized in that, described arc leading angle (2.2) both sides have side channel mouth (2.21), the width of this side channel mouth (2.21) is greater than the boss width corresponding to insulation shell (2.1) rigging position, so that arc leading angle (2.2) can move along side channel mouth (2.21) Width.
6. direct current quick breaker arc control device as claimed in claim 1 is characterized in that, the lower part, space of described arc control device (2) inner chamber is less than top.
7. direct current quick breaker arc control device as claimed in claim 1 is characterized in that, align respectively with the sideline, upper surface of metal gate sheet (2.3) in the sideline, lower surface of described insulated gate sheet (2.4), diaphragm plate (2.5); The material of described insulation shell (2.1), insulated gate sheet (2.4), diaphragm plate (2.5) is a glass fiber reinforced unsaturated polyester plastic, and the material of metal gate sheet (2.3) is the copper facing iron plate.
8. direct current quick breaker arc control device as claimed in claim 1 is characterized in that, notch (2.01) angle of described board-type metal gate sheet (2.31) is 40 degree～90 degree.
9. direct current quick breaker arc control device as claimed in claim 1 is characterized in that, notch (2.02) angle of described U type metal gate sheet (2.32) is 75 degree～105 degree.
10. direct current quick breaker arc control device as claimed in claim 2 is characterized in that, it is 2～8 millimeters that described metal gate sheet (2.3) keeps spacing distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202683630U CN201910384U (en) | 2010-07-20 | 2010-07-20 | Arc extinguish chamber of direct-current quick breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202683630U CN201910384U (en) | 2010-07-20 | 2010-07-20 | Arc extinguish chamber of direct-current quick breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910384U true CN201910384U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202683630U Expired - Lifetime CN201910384U (en) | 2010-07-20 | 2010-07-20 | Arc extinguish chamber of direct-current quick breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201910384U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013152555A1 (en) * | 2012-04-10 | 2013-10-17 | Abb Technology Ltd. | Arc-quenching device of switch for low, medium and high voltage applications |
| CN107086139A (en) * | 2017-05-10 | 2017-08-22 | 平高集团有限公司 | A kind of arc-control device and the breaker using the arc-control device |
| CN108417422A (en) * | 2018-03-12 | 2018-08-17 | 西安开天铁路电气股份有限公司 | A kind of arc-control device |
-
2010
- 2010-07-20 CN CN2010202683630U patent/CN201910384U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013152555A1 (en) * | 2012-04-10 | 2013-10-17 | Abb Technology Ltd. | Arc-quenching device of switch for low, medium and high voltage applications |
| CN107086139A (en) * | 2017-05-10 | 2017-08-22 | 平高集团有限公司 | A kind of arc-control device and the breaker using the arc-control device |
| CN108417422A (en) * | 2018-03-12 | 2018-08-17 | 西安开天铁路电气股份有限公司 | A kind of arc-control device |
| CN108417422B (en) * | 2018-03-12 | 2020-03-20 | 西安开天铁路电气股份有限公司 | Arc extinguishing device |
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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: 20110727 |
|
| CX01 | Expiry of patent term |