CN211404345U - Arc extinguish chamber with arc striking plate with mesh structure - Google Patents
Arc extinguish chamber with arc striking plate with mesh structure Download PDFInfo
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- CN211404345U CN211404345U CN201922464102.XU CN201922464102U CN211404345U CN 211404345 U CN211404345 U CN 211404345U CN 201922464102 U CN201922464102 U CN 201922464102U CN 211404345 U CN211404345 U CN 211404345U
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Abstract
The utility model relates to an explosion chamber especially relates to an explosion chamber with mesh structure arc striking piece, installs inside universal circuit breaker, belongs to low-voltage apparatus technical field. Including the arc extinguishing frame, the arc extinguishing frame in be equipped with the arc extinguishing chamber, the arc extinguishing chamber in be equipped with the arc extinguishing bars piece that is continuous crisscross distribution from top to bottom, the arc extinguishing frame in be equipped with the striking piece that is interval distribution with the arc extinguishing bars piece, the bottom of arc extinguishing frame be equipped with the apron, the apron in be equipped with and separate the arc piece, striking piece and separate the arc piece in be equipped with the mesh respectively. An arc extinguish chamber with a mesh structure arc striking plate enables a circuit breaker to achieve high breaking capacity.
Description
Technical Field
The utility model relates to an explosion chamber especially relates to an explosion chamber with mesh structure arc striking piece, installs inside universal circuit breaker, belongs to low-voltage apparatus technical field.
Background
The low-voltage universal circuit breaker adopts arc extinguishing grid pieces to extinguish arcs and is assisted with an air blowing and magnetic blowing structure to accelerate the time of electric arcs entering the arc extinguishing chamber. According to the arc extinguishing principle, when the contact of the circuit breaker is opened, an arc is generated, and the arc rapidly enters the arc extinguishing chamber under the action of a magnetic field and air blowing. The arc extinguishing grid plate cuts the electric arc into a plurality of short electric arcs connected in series, and the electric arc is extinguished under the action of deionization.
The arc extinguish chamber structure of the low-voltage universal circuit breaker commonly used at present comprises an arc isolating plate, a partition plate, an arc extinguishing grid piece, an arc striking piece and the like. The arc striking piece front end bending structure can guide the moving contact arc to enter the arc extinguishing chamber as soon as possible, but the arc extinguishing chamber is blocked by the bending structure, so that high-temperature gas cannot be discharged quickly and effectively, and the gas blowing effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve exist not enough among the prior art, the mesh structure of the striking piece that provides a device design can be fast with the leading-in explosion chamber of electric arc of moving contact on the one hand, has good striking effect. On the other hand, the mesh structure has good ventilation performance, greatly increases the ventilation area of the arc extinguish chamber, and enables the electric arc to enter the arc extinguish grid plate more quickly so as to cut off the electric arc.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides an explosion chamber with mesh structure arc striking piece, includes the arc extinguishing frame, the arc extinguishing frame in be equipped with the arc extinguishing chamber, the arc extinguishing chamber in be equipped with the arc extinguishing bars piece that is continuous crisscross distribution from top to bottom, the arc extinguishing frame in be equipped with the arc striking piece that is interval distribution with the arc extinguishing bars piece, the bottom of arc extinguishing frame be equipped with the apron, the apron in be equipped with at a distance from the arc piece, the arc striking piece with separate the arc piece in be equipped with the mesh respectively.
Preferably, the arc striking plate is assembled in proper order by first arc striking plate, second arc striking plate, third arc striking plate and fourth arc striking plate and constitutes, first arc striking plate establish the upper portion at the arc extinguishing frame, the second arc striking plate establish in the lateral wall of arc extinguishing frame, first arc striking plate and third arc striking plate between be equipped with the second arc striking plate that is the slope and distributes, the lower part of third arc striking plate be equipped with the arc extinguishing frame lateral wall fixed fourth arc striking plate, second arc striking plate and third arc striking plate in be equipped with the mesh respectively.
Preferably, the arc separation piece comprises first arc separation piece, second arc separation piece and third arc separation piece, and first arc separation piece, second arc separation piece and third arc separation piece are interval distribution from top to bottom, the mesh of first arc separation piece, the mesh of second arc separation piece and the mesh of third arc separation piece be crisscross formula distribution from top to bottom, the mesh diameter of first arc separation piece be less than the mesh diameter of second arc separation piece, the mesh diameter of second arc separation piece equal with the mesh diameter of third arc separation piece.
The arc extinguishing chamber of the conventional universal circuit breaker (also called a frame circuit breaker) is improved, the ventilation of the arc extinguishing chamber is enhanced, high-temperature gas in the arc extinguishing chamber is rapidly sprayed out, the blowing capacity of the arc extinguishing chamber is enhanced, the arc extinguishing capacity of the arc extinguishing chamber is enhanced, and the short circuit breaking capacity of the circuit breaker is improved. The arc striking plate is designed into a mesh structure, so that the ventilation performance is improved; the arc extinguishing chamber is provided with a plurality of arc baffles which are of mesh structures and are arranged in a staggered mode to prevent electric arcs from being sprayed out of the arc extinguishing chamber.
The arc extinguishing grid pieces are arranged at equal intervals, and asymmetric arc striking grooves are processed in the middle position. The arc extinguishing grids are arranged in a staggered mode, and the arc striking grooves are staggered left and right, so that the electric arc forms a zigzag structure, the arc is lengthened, and the arc extinguishing effect is enhanced.
The arc-isolating plate of 2 to 3 layers is installed to the explosion chamber export, and the arc-isolating plate adopts the iron material, and the arc-isolating plate is mesh structure, and crisscross the putting for electric arc short circuit can't spout the explosion chamber.
The utility model provides an explosion chamber with mesh structure arc striking piece for the circuit breaker realizes higher breaking capacity.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
fig. 4 is a schematic diagram of the distribution structure of the arc-extinguishing grid pieces in the present invention;
fig. 5 is a schematic diagram of the distribution structure of the septal arc piece of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example 1: as shown in the figure, an explosion chamber with mesh structure arc striking piece, including arc extinguishing frame 1, arc extinguishing frame 1 in be equipped with arc extinguishing chamber 2, arc extinguishing chamber 2 in be equipped with arc extinguishing bars piece 3 that is continuous crisscross distribution from top to bottom, arc extinguishing frame 1 in be equipped with arc striking piece 4 that is interval distribution with arc extinguishing bars piece 3, arc extinguishing frame 1 bottom be equipped with apron 5, apron 5 in be equipped with at a distance from arc piece 6, arc striking piece 4 and at a distance from arc piece 6 in be equipped with mesh 7 respectively.
Run-on piece 4 assemble in proper order by first run-on piece 8, second run-on piece 9, third run-on piece 10 and fourth run-on piece 11 and constitute, first run-on piece 8 establish on the upper portion of arc extinguishing frame 1, second run-on piece 9 establish in the lateral wall of arc extinguishing frame 1, first run-on piece 8 and third run-on piece 10 between be equipped with the second run-on piece 10 that is the slope and distributes, the lower part of third run-on piece 10 be equipped with the fourth run-on piece 11 of arc extinguishing frame 1 lateral wall fixed, second run-on piece 9 and third run-on piece 10 in be equipped with mesh 7 respectively.
Claims (3)
1. The utility model provides an explosion chamber with mesh structure arc striking piece which characterized in that: including arc extinguishing frame (1), arc extinguishing frame (1) in be equipped with arc extinguishing chamber (2), arc extinguishing chamber (2) in be equipped with arc extinguishing bars piece (3) that are continuous crisscross distribution from top to bottom, arc extinguishing frame (1) in be equipped with arc striking piece (4) that are interval distribution with arc extinguishing bars piece (3), the bottom of arc extinguishing frame (1) be equipped with apron (5), apron (5) in be equipped with arc insulating piece (6), arc striking piece (4) and arc insulating piece (6) in be equipped with mesh (7) respectively.
2. The arc chute with the mesh structure arc striking plate as claimed in claim 1, wherein: run-on piece (4) assemble in proper order by first run-on piece (8), second run-on piece (9), third run-on piece (10) and fourth run-on piece (11) and constitute, first run-on piece (8) establish the upper portion at arc extinguishing frame (1), second run-on piece (9) establish in the lateral wall of arc extinguishing frame (1), first run-on piece (8) and third run-on piece (10) between be equipped with second run-on piece (9) that are the slope and distribute, the lower part of third run-on piece (10) be equipped with fourth run-on piece (11) fixed with arc extinguishing frame (1) lateral wall, second run-on piece (9) and third run-on piece (10) in be equipped with mesh (7) respectively.
3. The arc chute with the mesh structure arc striking plate as claimed in claim 1 or 2, wherein: separate arc piece (6) by first separate arc piece (12), second separate arc piece (13) and third separate arc piece (14) and constitute, first separate arc piece (12), second separate arc piece (13) and third separate arc piece (14) and be interval formula distribution from top to bottom, mesh (7) that mesh (7) of first separate arc piece (12), second separate arc piece (13) and mesh (7) that third separated arc piece (14) be crisscross formula distribution from top to bottom, the mesh diameter of first separate arc piece (12) be less than the mesh diameter that the second separated arc piece (13), mesh (7) diameter that the second separated arc piece (13) and mesh (7) diameter that the third separated arc piece (14) equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464102.XU CN211404345U (en) | 2019-12-31 | 2019-12-31 | Arc extinguish chamber with arc striking plate with mesh structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464102.XU CN211404345U (en) | 2019-12-31 | 2019-12-31 | Arc extinguish chamber with arc striking plate with mesh structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211404345U true CN211404345U (en) | 2020-09-01 |
Family
ID=72231619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922464102.XU Active CN211404345U (en) | 2019-12-31 | 2019-12-31 | Arc extinguish chamber with arc striking plate with mesh structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211404345U (en) |
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2019
- 2019-12-31 CN CN201922464102.XU patent/CN211404345U/en active Active
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