CN216719779U - High-voltage arc-extinguishing chamber - Google Patents
High-voltage arc-extinguishing chamber Download PDFInfo
- Publication number
- CN216719779U CN216719779U CN202220183153.4U CN202220183153U CN216719779U CN 216719779 U CN216719779 U CN 216719779U CN 202220183153 U CN202220183153 U CN 202220183153U CN 216719779 U CN216719779 U CN 216719779U
- Authority
- CN
- China
- Prior art keywords
- arc
- extinguishing
- plates
- accommodating cavity
- cushion blocks
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a high-voltage arc-extinguishing chamber, which comprises a shell and an arc-extinguishing assembly, wherein the shell comprises two arc-insulating plates and a cover plate, an arc striking plate is arranged between the two arc-insulating plates, a first accommodating cavity is formed between the two arc-insulating plates and the arc striking plate, the arc-extinguishing assembly is arranged in the first accommodating cavity, a second accommodating cavity communicated with the first accommodating cavity is formed between the cover plate and the two arc-insulating plates, a flame-extinguishing assembly is arranged in the second accommodating cavity, a plurality of exhaust holes communicated with the second accommodating cavity are formed in the cover plate, the arc-extinguishing assembly comprises two gas-producing plates and a plurality of arc-extinguishing grid plates arranged between the two gas-producing plates, and arc-extinguishing grooves are formed in the arc-extinguishing grid plates respectively, and the arc extinguishing grooves on the arc extinguishing grid pieces are distributed in a staggered manner, arc extinguishing channels are formed between the arc extinguishing grooves on the arc extinguishing grid pieces, and open grooves communicated with the arc extinguishing channels are formed in the arc striking plates. The arc extinguishing device has the advantages of simple structure, stable and reliable performance, high assembly efficiency and good arc extinguishing effect.
Description
Technical Field
The utility model relates to an arc extinguish chamber, in particular to a high-voltage arc extinguish chamber for a frame type circuit breaker.
Background
The conventional circuit breaker is also called a frame type circuit breaker, and the frame type circuit breaker is a mechanical switch electrical appliance which can connect, bear and break current under normal circuit conditions and can also connect, bear and break current for a certain time under specified abnormal circuit conditions. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc. The universal circuit breaker is more and more widely applied, not only applied to a 400V/690V power distribution system, but also widely applied to the conventional 1000V power grid, the arc extinguishing capability of the circuit breaker is strictly tested under high voltage, and the arc extinguishing system in the circuit breaker provides higher requirements. The arc extinguish chamber of the conventional universal circuit breaker is not reasonable in structural design, so that the arc extinguish chamber of the conventional universal circuit breaker has the defects of unreliable performance, low assembly efficiency and poor arc extinguish effect.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the high-voltage arc-extinguishing chamber which is simple in structure, stable and reliable in performance, high in assembly efficiency and good in arc-extinguishing effect.
In order to achieve the purpose, the utility model adopts a high-voltage arc-extinguishing chamber, which comprises a shell and an arc-extinguishing assembly, wherein the shell comprises two arc-isolating plates and a cover plate arranged on the two arc-isolating plates, an arc striking plate is arranged between the two arc-isolating plates, a first accommodating cavity is formed between the two arc-isolating plates and the arc striking plate, the arc-extinguishing assembly is arranged in the first accommodating cavity, a second accommodating cavity communicated with the first accommodating cavity is formed between the cover plate and the two arc-isolating plates, a flame-extinguishing assembly is arranged in the second accommodating cavity, a plurality of exhaust holes communicated with the second accommodating cavity are arranged on the cover plate, the arc-extinguishing assembly comprises two gas-generating plates respectively arranged on the inner walls of the two arc-isolating plates and a plurality of arc-extinguishing grid sheets arranged between the two gas-generating plates, arc-extinguishing grooves are respectively arranged on the plurality of arc-extinguishing grid sheets, and the arc-extinguishing grooves on the plurality of arc-extinguishing grid sheets are mutually distributed in a staggered manner, and arc extinguishing channels are formed among the arc extinguishing grooves on the arc extinguishing grid pieces, and open grooves communicated with the arc extinguishing channels are formed in the arc striking plates.
The beneficial effect of above-mentioned structure is: the arc extinguishing grooves on the arc extinguishing grid pieces are staggered, so that the arc can be lengthened, the arc can be cooled quickly, and the arc extinguishing effect is enhanced. The gas generating plate generates gas at high temperature of the electric arc, and the electric arc is rapidly cooled under the action of the gas, so that the electric arc can be rapidly extinguished; the open slot is communicated with the arc extinguishing channel, the pressure in the arc extinguishing chamber can be reduced by the open slot, the electric arc at the front end of the arc extinguishing chamber can move to the rear end rapidly, the electric arc can be elongated rapidly, rapid extinguishing of the electric arc is realized, and the arc extinguishing performance of the arc extinguishing chamber is improved. Therefore, the high-voltage arc extinguish chamber has the advantages of simple structure, stable and reliable performance, high assembly efficiency and good arc extinguish effect.
Particularly, the flame extinguishing assembly comprises two first cushion blocks symmetrically arranged in the second accommodating groove, a first mesh plate arranged on the two first cushion blocks, a second cushion block symmetrically arranged on the first mesh plate, a second mesh plate arranged on the two second cushion blocks, two third cushion blocks symmetrically arranged on the second mesh plate, a third mesh plate arranged on the two third cushion blocks, two fourth cushion blocks symmetrically arranged on the third mesh plate, and a copper woven mesh plate arranged on the two fourth cushion blocks, wherein the first mesh plate, the second mesh plate and the third mesh plate are respectively provided with a plurality of through holes. But the subassembly of putting out a flame cools off electric arc fast, makes electric arc extinguish fast, and electric arc passes in the through-hole on first mesh board, second mesh board, the third mesh board, can play and remove free effect to be favorable to improving this high voltage explosion chamber's arc extinguishing effect.
Particularly, the two gas generating plates are respectively provided with a clamping groove matched with the plurality of arc extinguishing grid pieces, two sides of the plurality of arc extinguishing grid pieces are respectively clamped in the clamping grooves, and the two gas generating plates are in clamping fit with the plurality of arc extinguishing grid pieces. A plurality of arc extinguishing bars piece block is between two gas production boards to be convenient for a plurality of arc extinguishing bars pieces and two gas production board's assembly, it is more convenient to assemble.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, an embodiment of the present invention is a high voltage arc-extinguishing chamber, including a housing 10 and an arc-extinguishing assembly 20, where the housing 10 includes two arc-isolating plates 11 and a cover plate 12 disposed on the two arc-isolating plates 11, an arc striking plate 13 is disposed between the two arc-isolating plates 11, a first accommodating cavity 100 is formed between the two arc-isolating plates 11 and the arc striking plate 13, the arc-extinguishing assembly 20 is disposed in the first accommodating cavity 100, a second accommodating cavity 101 communicated with the first accommodating cavity 100 is formed between the cover plate 12 and the two arc-isolating plates 11, a flame-extinguishing assembly 30 is disposed in the second accommodating cavity 101, the cover plate 12 is provided with a plurality of exhaust holes 121 communicated with the second accommodating cavity 101, the arc-extinguishing assembly 20 includes two gas-generating plates 21 respectively disposed on inner walls of the two arc-isolating plates 11, and a plurality of grid pieces 22 disposed between the two gas-generating plates 21, the arc extinguishing grooves 221 are respectively arranged on the arc extinguishing grid pieces 22, the arc extinguishing grooves 221 on the arc extinguishing grid pieces 22 are distributed in a staggered mode, arc extinguishing channels 222 are formed among the arc extinguishing grooves 221 on the arc extinguishing grid pieces 22, and open grooves 131 communicated with the arc extinguishing channels 222 are formed in the arc striking plate 13.
As shown in fig. 2, the flame extinguishing assembly 30 includes two first cushion blocks 31 symmetrically disposed in the second receiving groove 101, first mesh plates 32 disposed on the two first cushion blocks 31, second cushion blocks 33 symmetrically disposed on the first mesh plates 32, second mesh plates 34 disposed on the two second cushion blocks 33, two third cushion blocks 35 symmetrically disposed on the second mesh plates 34, third mesh plates 36 disposed on the two third cushion blocks 35, two fourth cushion blocks 37 symmetrically disposed on the third mesh plates 36, and copper woven mesh plates 38 disposed on the two fourth cushion blocks 37, wherein a plurality of through holes 300 are disposed on each of the first mesh plates 32, the second mesh plates 34, and the third mesh plates 36. But the subassembly of putting out a flame cools off electric arc fast, makes electric arc extinguish fast, and electric arc passes in the through-hole on first mesh board, second mesh board, the third mesh board, can play and remove free effect to be favorable to improving this high voltage explosion chamber's arc extinguishing effect. The two gas generating plates 21 are respectively provided with a clamping groove 211 matched with the plurality of arc-extinguishing grid pieces 22, two sides of the plurality of arc-extinguishing grid pieces 22 are respectively clamped in the clamping grooves 211, and the two gas generating plates 21 are in clamping fit with the plurality of arc-extinguishing grid pieces 22. A plurality of arc extinguishing bars piece block is between two gas production boards to be convenient for a plurality of arc extinguishing bars pieces and two gas production board's assembly, it is more convenient to assemble.
The arc extinguishing grooves on the arc extinguishing grid pieces are staggered, so that the arc can be lengthened, the arc can be cooled quickly, and the arc extinguishing effect is enhanced. The gas generating plate generates gas at high temperature of the electric arc, and the electric arc is rapidly cooled under the action of the gas, so that the electric arc can be rapidly extinguished; the open slot is communicated with the arc extinguishing channel, the pressure in the arc extinguishing chamber can be reduced by the open slot, the electric arc at the front end of the arc extinguishing chamber can move to the rear end rapidly, the electric arc can be elongated rapidly, rapid extinguishing of the electric arc is realized, and the arc extinguishing performance of the arc extinguishing chamber is improved. Therefore, the high-voltage arc extinguish chamber has the advantages of simple structure, stable and reliable performance, high assembly efficiency and good arc extinguish effect.
Claims (3)
1. The utility model provides a high voltage arc extinguishing chamber, includes casing, arc extinguishing subassembly, its characterized in that: the shell comprises two arc-isolating plates and a cover plate arranged on the two arc-isolating plates, an arc-striking plate is arranged between the two arc-isolating plates, a first accommodating cavity is formed between the two arc-isolating plates and the arc-striking plate, the arc-extinguishing assembly is arranged in the first accommodating cavity, a second accommodating cavity communicated with the first accommodating cavity is formed between the cover plate and the two arc-isolating plates, a flame-extinguishing assembly is arranged in the second accommodating cavity, the cover plate is provided with a plurality of exhaust holes communicated with the second accommodating cavity, the arc-extinguishing assembly comprises two gas-generating plates respectively arranged on the inner walls of the two arc-isolating plates and a plurality of arc-extinguishing grid plates arranged between the two gas-generating plates, the plurality of arc-extinguishing grid plates are respectively provided with arc-extinguishing grooves, the arc-extinguishing grooves on the plurality of arc-extinguishing grid plates are distributed in a staggered manner, and arc-extinguishing channels are formed between the arc-extinguishing grooves on the plurality of arc-extinguishing grid plates, and an open slot communicated with the arc extinguishing channel is arranged on the arc striking plate.
2. High voltage arc chute according to claim 1, characterized in that: the flame extinguishing assembly comprises two first cushion blocks symmetrically arranged in a second accommodating groove, a first mesh plate arranged on the two first cushion blocks, a second cushion block symmetrically arranged on the first mesh plate, a second mesh plate arranged on the two second cushion blocks, two third cushion blocks symmetrically arranged on the second mesh plate, third mesh plates arranged on the two third cushion blocks, two fourth cushion blocks symmetrically arranged on the third mesh plate, and copper woven mesh plates arranged on the two fourth cushion blocks, wherein the first mesh plate, the second mesh plate and the third mesh plate are respectively provided with a plurality of through holes.
3. High voltage arc chute according to claim 1 or 2, characterized in that: the two gas generating plates are respectively provided with a clamping groove matched with the arc extinguishing grid pieces, the two sides of the arc extinguishing grid pieces are respectively clamped in the clamping grooves, and the two gas generating plates are in clamping fit with the arc extinguishing grid pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220183153.4U CN216719779U (en) | 2022-01-22 | 2022-01-22 | High-voltage arc-extinguishing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220183153.4U CN216719779U (en) | 2022-01-22 | 2022-01-22 | High-voltage arc-extinguishing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216719779U true CN216719779U (en) | 2022-06-10 |
Family
ID=81873687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220183153.4U Active CN216719779U (en) | 2022-01-22 | 2022-01-22 | High-voltage arc-extinguishing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216719779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360034A (en) * | 2022-07-26 | 2022-11-18 | 嘉润电气科技有限公司 | Arc extinguish chamber |
-
2022
- 2022-01-22 CN CN202220183153.4U patent/CN216719779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360034A (en) * | 2022-07-26 | 2022-11-18 | 嘉润电气科技有限公司 | Arc extinguish chamber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216719779U (en) | High-voltage arc-extinguishing chamber | |
| CN217387064U (en) | High-voltage arc-extinguishing chamber | |
| CN109585193B (en) | Switching device | |
| CN216648114U (en) | High-voltage arc extinguish chamber | |
| CN218996592U (en) | High-voltage arc extinguishing chamber | |
| CN216120162U (en) | Arc extinguish chamber of universal circuit breaker | |
| CN219534456U (en) | High breaking arc extinguishing chamber | |
| CN218730516U (en) | Arc extinguish chamber | |
| CN218631886U (en) | Circuit breaker | |
| CN220456339U (en) | Arc extinguishing system of circuit breaker | |
| CN216120163U (en) | Arc extinguish chamber of frame type circuit breaker | |
| CN217387036U (en) | Base assembly of frame type circuit breaker | |
| CN216671541U (en) | Backflow gas discharging structure of miniature circuit breaker | |
| CN219203078U (en) | Zero arcing cover for molded case circuit breaker | |
| CN220731442U (en) | High-voltage arc extinguishing system of circuit breaker | |
| CN217485325U (en) | Grid arc extinguish chamber | |
| CN218241754U (en) | Contact system of dual-power automatic transfer switch | |
| CN215183827U (en) | Arc extinguish chamber of intelligent frame type circuit breaker | |
| CN218631885U (en) | Arc extinguishing device and circuit breaker | |
| CN210778465U (en) | Arc extinguishing device of circuit breaker | |
| CN217933691U (en) | Arc extinguishing structure of measurement switch | |
| CN216562920U (en) | Arc extinguish chamber of circuit breaker and circuit breaker | |
| CN213816014U (en) | Plastic case circuit breaker with current limiting device | |
| CN210535607U (en) | Arc extinguishing chamber | |
| CN218004764U (en) | Arc extinguishing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |