A kind of flash barrier and breaker
Technical field
The utility model is related to breaker technical fields, and in particular to a kind of flash barrier and breaker.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker includes static contact and moving contact, works as circuit
In when breaking down, static contact and moving contact will produce electric arc when separating, electric arc generates in order to prevent high temperature and its conductive special
Property the harm that brings, need the electric arc generated when separating the static contact of breaker and moving contact quickly and reliably to extinguish.
Currently, a kind of arc-chutes of breaker are disclosed such as Chinese patent literature CN204834543U in the prior art,
When including first flash barrier and the second flash barrier including only single button foot flash barrier of a button foot, the first flash barrier and second
Flash barrier surround above, the space wrapped up in of the left side and three bread of the right side.
The arc-chutes of the breaker of above patent document, when static contact and moving contact separately generate electric arc, the height of electric arc
Temperature makes the first flash barrier and the second flash barrier generate gas, and high pressure gas is formed between the first flash barrier and the second flash barrier,
Electric arc is pushed in arc-chutes by high pressure gas, but the first flash barrier and the second flash barrier the upper surface of surround, the left side and the right side
The air-tightness that three bread wrap up in space is poor, and the gas of generation quickly cannot be pushed into arc-chutes by electric arc, cannot reach fast arc extinction
Effect.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome gas that the flash barrier of existing breaker generates not
Can electric arc be quickly pushed into arc-chutes, the problem of fast arc extinction cannot be reached, providing a kind of gas of generation can quickly will be electric
Arc is blown into the flash barrier of arc-chutes, and be provided with the flash barrier can be with the breaker of fast arc extinction.
To solve the above problems, a kind of flash barrier of the utility model, including, it is located at the left clapboard and right clapboard of both sides,
The upper spacer being connect with the left clapboard and the right clapboard top, connect down with the left clapboard and the right clapboard lower part
Partition board, and the vertical clapboard that is connect with the side wall of the left clapboard and the right clapboard, it is the left clapboard, the right clapboard, described
Upper spacer, the lower clapboard and the vertical clapboard surround the package space of package quiet silver point and dynamic silver point.
The quiet silver point and the dynamic silver point are close to the lower part of the left clapboard and the right clapboard, the left clapboard and institute
The width for stating the top of right clapboard is less than the width of lower part.
The left clapboard and right clapboard mirror image setting, the left clapboard and the right clapboard are in Type B.
The lower clapboard is arranged between the left clapboard and the right clapboard, the left clapboard and the right clapboard and institute
The end for stating the side of lower clapboard connection is connected separately with base spacer, and the base spacer is the ┑ type structures being oppositely arranged.
The intersecting lens of the elongated surfaces of the left clapboard and the right clapboard is and parallel with the arc-chutes far from arc-chutes.
Folder of the elongated surfaces of the left clapboard and the right clapboard in the projection of the vertical plane perpendicular to the elongated surfaces
Angle is 10 °.
Inverted T shaped open slot is provided in the middle part of the vertical clapboard.
The left clapboard and the right clapboard are arranged at the open slot.
Further include the left positioning plate being arranged in the middle part of left clapboard and vertical clapboard, the right side in the middle part of right clapboard and vertical clapboard is set
Positioning plate, and the perpendicular positioning plate that is arranged in the middle part of the vertical clapboard.
A kind of breaker, including, arc-chutes;Flash barrier, be arranged in the arc-chutes, including it is any one of above-mentioned described in
Flash barrier, the arc extinguishing of the opposite side equipped with the vertical clapboard of the left clapboard and the right clapboard towards the arc-chutes
Grid, the opening direction package space of adjacent two arc extinguishing grid pieces;Quiet silver point and dynamic silver point, be set to the left clapboard,
The right clapboard, the upper spacer, the lower clapboard and the vertical clapboard surround the package of package quiet silver point and dynamic silver point
In space.
Technical solutions of the utility model have the following advantages that:
The flash barrier of component 1. provided by the utility model ..., including, it is located at the left clapboard and right clapboard of both sides, and it is described
The upper spacer that left clapboard is connected with the right clapboard top, the lower clapboard being connect with the left clapboard and the right clapboard lower part,
The vertical clapboard being connect with the side wall of the left clapboard and the right clapboard, the left clapboard, the right clapboard, it is described on every
Plate, the lower clapboard and the vertical clapboard surround the package space of package quiet silver point and dynamic silver point.Breaker goes out in the line
Existing failure, quiet silver point and dynamic silver point will produce electric arc when detaching, this electric arc is isolated in by flash barrier in package space completely, described
Left clapboard, the right clapboard, the upper spacer, the lower clapboard and the vertical clapboard can the short time under the burning of high-temperature electric arc
Lower generation bulk gas, gas are assembled in the narrow space that upper spacer, left clapboard, right clapboard, lower clapboard, vertical clapboard are formed,
Form high pressure draught group in the moment that electric arc generates, under the promotion of instantaneous pressure air-flow group, high-voltage arc along left clapboard, it is right every
Plate is pushed into more hypobaric arc-chutes, can achieve the effect that fast arc extinction.
2. the flash barrier of the utility model, the quiet silver point and the dynamic silver point are close to the left clapboard and the right clapboard
Lower part, the width on the top of the left clapboard and the right clapboard is less than the width of lower part, the left clapboard and it is described it is right every
The lower part of plate is closer to the quiet silver point and the dynamic silver point so that the lower part of the left clapboard and the right clapboard is more accelerated
Speed and largely generate gas, contribute to more quickly will electric arc be pushed into arc-chutes in.
3. the flash barrier of the utility model, the setting of the base spacer can increase arc when high-voltage arc generates moment
Plate generates a large amount of gas, i.e., the gas that the base spacer generates can increase the speed that electric arc is pushed into arc-chutes.
4. the intersecting lens of the elongated surfaces of the flash barrier of the utility model, the left clapboard and the right clapboard is far from arc extinguishing
Room, and parallel with the arc-chutes, i.e., the described left clapboard, the right clapboard, the upper spacer, the lower clapboard and it is described it is perpendicular every
The package space that plate surrounds has towards the widened opening of arc-chutes, and high-voltage arc is contributed to be pushed into along left clapboard, right clapboard
In more hypobaric arc-chutes, it can achieve the effect that fast arc extinction.
5. the flash barrier of the utility model, the left clapboard and the right clapboard are arranged at the open slot so that
The left clapboard, the right clapboard, the upper spacer, the lower clapboard and the vertical clapboard surround narrow package space,
When generating certain gas, the space for accommodating gas is smaller, and the air pressure that the gas of generation is formed is bigger, more contributes to high pressure
Electric arc is pushed into along left clapboard, right clapboard in more hypobaric arc-chutes, can achieve the effect that fast arc extinction.
6. the breaker of the utility model, including, arc-chutes;Flash barrier is arranged in the arc-chutes, including above-mentioned
The opposite side equipped with the vertical clapboard of flash barrier described in one, the left clapboard and the right clapboard is towards the arc extinguishing
The arc extinguishing grid pieces of room, the opening direction package space of adjacent two arc extinguishing grid pieces;Quiet silver point and dynamic silver point are set to described
Left clapboard, the right clapboard, the upper spacer, the lower clapboard and the vertical clapboard surround the institute of package quiet silver point and dynamic silver point
It states in package space.Breaker breaks down in the line, and quiet silver point and dynamic silver point will produce electric arc when detaching, this electric arc is complete
It is isolated in package space by flash barrier entirely, the left clapboard, the right clapboard, the upper spacer, the lower clapboard and described
Vertical clapboard can generate bulk gas under the short time under the burning of high-temperature electric arc, gas upper spacer, left clapboard, right clapboard, under
Aggregation in the narrow space that partition board, vertical clapboard are formed forms high pressure draught group in the moment that electric arc generates.In instantaneous pressure air-flow
Under the promotion of group, high-voltage arc is pushed into along left clapboard, right clapboard in more hypobaric arc-chutes, and it is in cross arrangement that electric arc, which enters,
Arc extinguishing grid pieces between be cut into the short electric arc of multiterminal, the short electric arc both ends arc voltage being cut into increases quickly, and electric current is gradual
It is reduced, finally makes arc extinction, the breaker of the utility model can quick arc extinguishing.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram of the stereogram of the embodiments of the present invention one;
Fig. 2 is the schematic diagram of the stereogram of the embodiments of the present invention two;
Fig. 3 is the schematic cross-sectional view of front view in Fig. 1;
Reference sign:
1- left clapboards;2- right clapboards;3- upper spacers;4- lower clapboards;5- vertical clapboards;The quiet silver points of 6-;7- static contacts;The dynamic silver of 8-
Point;9- moving contacts;10- base spacers;11- open slots;12- erects positioning plate;The left positioning plates of 13-;15- arc-chutes;16- arc-chutes
Piece;17- arc-chutes partition boards;18- arc striking pieces;Positioning plate under 19-.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
Embodiment one:
A kind of flash barrier of present embodiment, as shown in Figure 1-Figure 3, including, it is located at the left clapboard 1 and right clapboard 2 of both sides,
The upper spacer 3 being connect with the left clapboard 1 and 2 top of the right clapboard connects with the left clapboard 1 and 2 lower part of the right clapboard
The lower clapboard 4 connect, and the vertical clapboard 5 that is connect with the side wall of the left clapboard 1 and the right clapboard 2, it is the left clapboard 1, described
Right clapboard 2, the upper spacer 3, the lower clapboard 4 and the vertical clapboard 5 surround the package sky for wrapping up quiet silver point 6 and dynamic silver point 8
Between.Wherein, quiet silver point 6 is connect with static contact 7, and dynamic silver point 8 is connect with moving contact 9, and quiet silver point 6 and dynamic silver point 8 are because of line fault
Electric arc is will produce when separating.
The quiet silver point 6 and the dynamic silver point 8 are arranged close to the lower part of the left clapboard 1 and the right clapboard 2, the left side
The width on the top of partition board 1 and the right clapboard 2 is less than the width of lower part, in the present embodiment, the left clapboard 1 and described
2 mirror image of right clapboard is arranged, and the left clapboard 1 and the right clapboard 2 are in Type B.The left clapboard 1 and the right clapboard 2 with it is described
The end for the side that lower clapboard 4 connects is connected separately with base spacer 10, and the base spacer 10 is the ┑ type structures being oppositely arranged.Institute
The intersecting lens of the elongated surfaces of left clapboard 1 and the right clapboard 2 is stated far from arc-chutes 15, and parallel with the arc-chutes 15;Wherein,
The elongated surfaces of the left clapboard 1 and the right clapboard 2 are in the angle of the projection of the vertical plane perpendicular to the elongated surfaces
10 °, i.e., the described left clapboard 1 and the right clapboard 2 are not disposed in parallel, and the left clapboard 1 and the right clapboard 2 have direction to go out
The opening of arc chamber 15, opening angle are 10 °.
The side towards arc extinguishing grid pieces 16 of the upper spacer 3 tilts upwards.
The lower clapboard 4 is arranged between the left clapboard 1 and the right clapboard 2.
The middle part of the vertical clapboard 5 is provided with inverted T shaped open slot 11, and the left clapboard 1 and the right clapboard 2 are close to institute
It states and is arranged at open slot 11.
Further include the left positioning plate 13 being arranged at 5 middle part of left clapboard 1 and vertical clapboard, is arranged in right clapboard 2 and vertical clapboard 5
The right positioning plate in portion, and the perpendicular positioning plate 12 at 5 middle part of the vertical clapboard is set.Perpendicular positioning plate 12, left positioning plate 13 and the right side
Positioning plate plays the role of supporting vertical clapboard 5, left clapboard 1 and right clapboard 2, prevents vertical clapboard 5, left clapboard 1 and right clapboard 2 from producing
Quickly increased gas pressure intensity makes vertical clapboard 5, left clapboard 1 and right clapboard 2 deform when raw bulk gas, increases vertical clapboard
5, the service life of left clapboard 1 and right clapboard 2.The bottom end of base spacer 10 and vertical clapboard 5 is provided with lower positioning plate 19, lower positioning
Plate 19 is the structural strength for improving base spacer 10 and vertical clapboard 5, second is that the connection for flash barrier and arc-chutes partition board 17 is fixed
Position.
In the present embodiment, the left clapboard 1, right clapboard 2, the upper spacer 3, the lower clapboard 4, described perpendicular
Partition board 5 and base spacer 10 are aerogenesis insulating materials.
Breaker breaks down in the line, and quiet silver point 6 and dynamic silver point 8 will produce electric arc when detaching, this electric arc is complete
It is isolated in package space by flash barrier, the left clapboard 1, the right clapboard 2, the upper spacer 3, the lower clapboard 4 and institute
Bulk gas can be generated under the short time under the burning of high-temperature electric arc by stating vertical clapboard 5, gas upper spacer 3, left clapboard 1, it is right every
Aggregation in the narrow space that plate 2, lower clapboard 4, vertical clapboard 5 are formed forms high pressure draught group, in moment in the moment that electric arc generates
Under the promotion of high pressure draught group, high-voltage arc is pushed into along left clapboard 1, right clapboard 2 in more hypobaric arc-chutes 15, Neng Gouda
To the effect of fast arc extinction.
Embodiment two;
The breaker of present embodiment, flash barrier, arc-chutes as shown in Figures 2 and 3, including described in embodiment one
15, moving contact 9, static contact 7, arc extinguishing grid pieces 16 and arc-chutes partition board 17.
Arc-chutes 15 are the main places of electric arc arc extinguishing, and both sides are equipped with arc-chutes partition board 17, in one end of arc-chutes 15
Equipped with flash barrier, the other end is equipped with arc extinguishing grid pieces 16, the opening direction package space of adjacent two arc extinguishing grid pieces 16.
The opposite side equipped with the vertical clapboard 5 of flash barrier, the left clapboard 1 and the right clapboard 2 goes out described in
The arc extinguishing grid pieces 16 of arc chamber 15 wrap up the opening in space towards arc extinguishing grid pieces 16.
Quiet silver point 6 is connect with static contact 7, moves silver point 8 and the connection of moving contact 9, and quiet silver point 6 and dynamic silver point 8 are set to described
Left clapboard 1, the right clapboard 2, the upper spacer 3, the lower clapboard 4 and the vertical clapboard 5 surround the quiet silver point 6 of package and dynamic silver
In the package space of point 8.Wherein moving contact 9 is stretched into the package space from the open slot 11 and is connect with dynamic silver point 8, quiet
The interconnecting piece of contact 7 being connect with quiet silver point 6 is abutted against with lower clapboard 4.
The breaker of present embodiment further includes arc striking piece 18, and arc striking piece 18 exists close to the setting of dynamic silver point 8 and quiet silver point 6
The lower section of arc extinguishing grid pieces 16 contributes to electric arc between electric arc quickly can be introduced several arc extinguishing grid pieces 16 by arc striking piece 18
Fast arc extinction.
Breaker breaks down in the line, and quiet silver point 6 and dynamic silver point 8 will produce electric arc when detaching, this electric arc is complete
It is isolated in package space by flash barrier, the left clapboard 1, the right clapboard 2, the upper spacer 3, the lower clapboard 4 and institute
Bulk gas can be generated under the short time under the burning of high-temperature electric arc by stating vertical clapboard 5, gas upper spacer 3, left clapboard 1, it is right every
Aggregation in the narrow space that plate 2, lower clapboard 4, vertical clapboard 5 are formed forms high pressure draught group in the moment that electric arc generates.In moment
High pressure draught group promotion under, high-voltage arc is pushed into along left clapboard 1, right clapboard 2 in more hypobaric arc-chutes 15, electric arc by
Arc striking piece 18 is cut into the short electric arc of multiterminal between quickly introducing the arc extinguishing grid pieces 16 in cross arrangement, the short electric arc being cut into
Both ends arc voltage increases quickly, and electric current is gradually reduced, and finally makes arc extinction, the breaker of present embodiment can be quick
Arc extinguishing.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Among the protection domain that variation is created still in the utility model.