CN217903055U - Arc extinguishing device - Google Patents
Arc extinguishing device Download PDFInfo
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- CN217903055U CN217903055U CN202222273471.2U CN202222273471U CN217903055U CN 217903055 U CN217903055 U CN 217903055U CN 202222273471 U CN202222273471 U CN 202222273471U CN 217903055 U CN217903055 U CN 217903055U
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- arc extinguishing
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- bars piece
- grid
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Abstract
The utility model discloses an arc control device belongs to circuit breaker technical field, and it includes the insulating piece and assembles the arc extinguishing bars piece on the insulating piece, a plurality of arrays of arc extinguishing bars piece set up and form the path groove that supplies electric arc to pass through, the arc extinguishing bars piece includes left bars piece and right bars piece, is provided with first flexion on wherein the left bars piece, is provided with the second flexion on the right bars piece, adjacent arc extinguishing bars piece is reverse sets up in turn, through the arrangement that changes the arc extinguishing bars piece, lengthens electric arc, reduces the puncture effect when improving the arc extinguishing effect.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, specifically speaking relates to an arc control device.
Background
The structure of the arc extinguishing device arranged in the existing circuit breaker has a common extinguishing effect on electric arcs, so that the electric arcs are easily extinguished incompletely or breakdown effect is generated, and potential safety hazards are caused to the circuit breaker. Therefore, it is necessary to provide an arc extinguishing apparatus.
Disclosure of Invention
To the poor and problem punctured easily of current arc control device arc extinguishing effect, the utility model provides an arc control device through the arrangement that changes the arc extinguishing bars piece, lengthens electric arc, reduces the effect of puncturing when improving the arc extinguishing effect.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides an arc control device, includes the insulating piece and assembles the arc extinguishing bars piece on the insulating piece, a plurality of arrays of arc extinguishing bars piece set up and form the route groove that supplies electric arc to pass through, the arc extinguishing bars piece includes left bars piece and right bars piece, is provided with first flexion on wherein the left bars piece, is provided with the second flexion on the right bars piece, adjacent arc extinguishing bars piece is reverse sets up in turn.
Preferably, the first curvature arc is larger than the second curvature arc, that is, the area of the left grid provided with the first curvature is larger than that of the right grid provided with the second curvature.
Preferably, a path groove is formed between the left grid sheet and the right grid sheet, and the path groove is Y-shaped, namely, the upper end of the path groove is a large through groove, and the lower end of the path groove is a small through groove.
Preferably, the insulating sheet is provided with a plurality of clamping grooves for inserting and fixing the arc extinguishing grid pieces and an abutting part for limiting and placing the insulating sheet.
Preferably, a clamping block is convexly arranged on the arc extinguishing grid plate.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses form first flexion and second flexion at the arc extinguishing bars piece, the arc extinguishing bars piece that will have specific shape carries out the interval arrangement installation according to the opposite mode of the installation opposite direction of two adjacent arc extinguishing bars pieces, and the route groove is alternately stacked, is favorable to lengthening cooling arc, and the extinguishing of electric arc reduces the puncture effect simultaneously with higher speed to safety in utilization has been promoted.
Drawings
Fig. 1 is a schematic view of an overall structure of an arc extinguishing apparatus.
Fig. 2 is a schematic diagram of an overall structure of an arc extinguishing apparatus.
Fig. 3 is a schematic diagram of an arc chute structure of an arc extinguishing device.
The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:
1. arc extinguishing grid pieces; 11. a clamping block; 12. a left gate sheet; 121. a first curved portion; 13. a right grid sheet; 131. a second curved portion; 14. a path slot; 2. an insulating sheet; 21. a card slot; 22. an abutment portion.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, it is a structural schematic diagram of an arc extinguishing device according to a preferred embodiment of the present invention, which includes an insulating sheet 2 and arc-extinguishing grid plates 1 assembled on the insulating sheet 2 in this embodiment, a plurality of arrays of the arc-extinguishing grid plates 1 are arranged and form a path slot 14 for an arc to pass through, the arc-extinguishing grid plates 1 include a left grid plate 12 and a right grid plate 13, wherein a first bending portion 121 is provided on the left grid plate 12, a second bending portion 131 is provided on the right grid plate 13, adjacent arc-extinguishing grid plates 1 are arranged in an inverted and alternate manner, the arc-extinguishing grid plates 1 having a specific shape are installed in an interval arrangement manner according to the opposite installation directions of the adjacent two arc-extinguishing grid plates 1, and the path slot 14 is stacked in a cross manner, which is beneficial to lengthening and cooling an arc, so as to accelerate the extinguishing of the arc, and reduce the breakdown effect, thereby improving the safety in use.
In this embodiment, the radian of the first bending portion 121 is greater than the radian of the second bending portion 131, that is, the area of the left grid 12 provided with the first bending portion 121 is greater than the area of the right grid 13 provided with the second bending portion 131, and the left grid 12 and the right grid 13 are formed into different areas and are arranged in a crossed manner to form an overlapping portion, so as to elongate and cut off the arc, thereby improving the safety performance.
In this embodiment, a path slot 14 is formed between the left grid 12 and the right grid 13, and the path slot 14 is Y-shaped, that is, the upper end is a large through slot, the lower end is a small through slot, the large through slot is used for the moving contact to pass through, and the small through slot is used for lengthening and cooling the arc of the moving contact.
In this embodiment, it has a plurality of draw-in grooves 21 that supply arc chute 1 cartridge to fix and supplies the spacing butt portion 22 of placing of insulating piece 2 to open on the insulating piece 2, and one end is fixed in butt portion 22 after the assembly of arc chute 1, increases the stability of assembly.
In this embodiment, the protruding fixture block 11 that is provided with on the arc extinguishing bars piece 1, fixture block 11 and draw-in groove 21 interference fit guarantee the fastness of arc extinguishing bars piece 1 and the assembly of insulating piece 2.
The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.
Claims (5)
1. An arc-extinguishing device is provided with a plurality of arc-extinguishing chambers,
the method is characterized in that:
including insulating piece (2) and assemble arc extinguishing bars piece (1) on insulating piece (2), a plurality of arrays of arc extinguishing bars piece (1) set up and form path groove (14) that supply electric arc to pass through, arc extinguishing bars piece (1) is including left bars piece (12) and right bars piece (13), is provided with first flexion (121) on wherein left bars piece (12), is provided with second flexion (131) on right bars piece (13), adjacent arc extinguishing bars piece (1) reverse setting in turn.
2. The arc extinguishing device of claim 1, wherein: the radian of the first bending part (121) is larger than that of the second bending part (131), namely the area of the left grid sheet (12) provided with the first bending part (121) is larger than that of the right grid sheet (13) provided with the second bending part (131).
3. The arc extinguishing device of claim 2, wherein: and a path groove (14) is formed between the left grid sheet (12) and the right grid sheet (13), and the path groove (14) is Y-shaped, namely the upper end is a large through groove, and the lower end is a small through groove.
4. The arc extinguishing device of claim 1, wherein: the insulating sheet (2) is provided with a plurality of clamping grooves (21) for the arc extinguishing grid sheets (1) to be inserted and fixed and abutting parts (22) for the insulating sheet (2) to be placed in a limiting mode.
5. The arc extinguishing device of claim 1, wherein: and a clamping block (11) is convexly arranged on the arc extinguishing grid plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222273471.2U CN217903055U (en) | 2022-08-29 | 2022-08-29 | Arc extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222273471.2U CN217903055U (en) | 2022-08-29 | 2022-08-29 | Arc extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217903055U true CN217903055U (en) | 2022-11-25 |
Family
ID=84107601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222273471.2U Active CN217903055U (en) | 2022-08-29 | 2022-08-29 | Arc extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217903055U (en) |
-
2022
- 2022-08-29 CN CN202222273471.2U patent/CN217903055U/en active Active
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