CN205081081U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN205081081U CN205081081U CN201520887631.XU CN201520887631U CN205081081U CN 205081081 U CN205081081 U CN 205081081U CN 201520887631 U CN201520887631 U CN 201520887631U CN 205081081 U CN205081081 U CN 205081081U
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- CN
- China
- Prior art keywords
- arc
- extinguish chamber
- static contact
- control device
- striking
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a miniature circuit breaker, including casing, operating device, handle, arc control device, coil pack, moving contact, static contact, arc control device sets up the explosion chamber on the casing including one side department that sets up arc -extinguish chamber on the casing, corresponds the arc -extinguish chamber, and correspond on the casing and locate to be provided with two sand grips between arc -extinguish chamber and the explosion chamber, and constitute the striking groove that has an intercommunication arc -extinguish chamber and explosion chamber between two sand grips, the casing on correspond the moving contact one side department be provided with a striking piece, the lower extreme downwardly extending of this striking piece and connect and serve at the lower of arc -extinguish chamber, the upper end of static contact of static contact connect on the coil pack, the lower extreme of static contact is bent downwards and is extended and connect and serve on the arc -extinguish chamber, the casing on correspond the static contact the department of bending be provided with a striking angle, and be formed with a striking space between the lower part of striking piece and static contact. The utility model has the advantages of simple structure, breaking capacity is strong, the arc extinguishing is effectual.
Description
Technical field
The utility model belongs to low voltage electrical apparatus technology field, is specifically related to a kind of miniature circuit breaker.
Background technology
At present, miniature circuit breaker is mainly used in the various places such as industry, business, high level and residential houses.The use of overload and short-circuit protection can be played in the line, also can under normal circumstances as the use of the infrequently operation transformation of circuit.The arc-control device structural design of existing miniature circuit breaker is unreasonable, thus this miniature circuit breaker exists arc quenching effect difference, the defect of pitch capability difference.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, provides the miniature circuit breaker that a kind of structure is simple, breaking capacity is strong, arc quenching effect is good.
For achieving the above object, the utility model adopts a kind of miniature circuit breaker, comprise housing, operating mechanism, handle, arc-control device, coil block, to link the moving contact arranged with operating mechanism, corresponding moving contact place is arranged on the fixed contact on housing, described arc-control device comprises the arc-extinguish chamber be arranged on housing, the side place of corresponding arc-extinguish chamber arranges the arc control device on housing, on described housing, between corresponding arc-extinguish chamber and arc control device, place is provided with two raised lines, and between two raised lines, be configured with the striking groove of a connection arc-extinguish chamber and arc control device, on described housing, the side place of corresponding moving contact is provided with an arc striking piece, the lower end of this arc striking piece is to downward-extension and be connected on the lower end of arc-extinguish chamber, the upper end of the static contact of described fixed contact is connected on coil block, the lower end downward bending of static contact extends and is connected on the upper end of arc-extinguish chamber, on described housing, the bending part of corresponding static contact is provided with an arc leading angle, and between arc striking piece and the bottom of static contact, be formed with a striking space.
The beneficial effects of the utility model are: be formed with a striking space between the static contact of this miniature circuit breaker and arc striking piece, thus electric arc enters in arc-extinguish chamber fast through striking space, and the side of arc-extinguish chamber is provided with arc control device, the electric arc do not extinguished in arc control device enters in arc control device through striking groove, thus the arc-control device of this miniature circuit breaker has the good advantage of arc quenching effect, and this miniature circuit breaker has structure is simple, breaking capacity is strong advantage.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment front view.
Fig. 2 is the utility model embodiment internal structure schematic diagram.
Embodiment
As Fig. 1, shown in 2, the utility model embodiment is a kind of miniature circuit breaker, comprise housing 10, operating mechanism 11, handle 12, arc-control device 200, coil block 13, to link the moving contact 14 arranged with operating mechanism 11, corresponding moving contact 14 place arranges fixed contact 15 on the housing 10, described arc-control device 200 comprises setting arc-extinguish chamber 20 on the housing 10, the side place of corresponding arc-extinguish chamber 20 arranges the arc control device 21 on housing 10, on described housing 10, between corresponding arc-extinguish chamber 20 and arc control device 21, place is provided with two raised lines 101, and between two raised lines 101, be configured with the striking groove 102 of a connection arc-extinguish chamber 20 and arc control device 21, on described housing 10, the side place of corresponding moving contact 15 is provided with an arc striking piece 22, the lower end of this arc striking piece 22 is to downward-extension and be connected on the lower end of arc-extinguish chamber 20, the upper end of the static contact 151 of described fixed contact 15 is connected on coil block 13, the lower end downward bending of static contact 151 extends and is connected on the upper end of arc-extinguish chamber 20, on described housing 10, the bending part of corresponding static contact 151 is provided with an arc leading angle 23, and between the bottom of arc striking piece 22 and static contact 151, be formed with a striking space 24.A striking space is formed between the static contact of this miniature circuit breaker and arc striking piece, thus electric arc enters in arc-extinguish chamber fast through striking space, and the side of arc-extinguish chamber is provided with arc control device, the electric arc do not extinguished in arc control device enters in arc control device through striking groove, thus the arc-control device of this miniature circuit breaker has the good advantage of arc quenching effect, and this miniature circuit breaker has structure is simple, breaking capacity is strong advantage.
Claims (1)
1. a miniature circuit breaker, comprise housing, operating mechanism, handle, arc-control device, coil block, to link the moving contact arranged with operating mechanism, corresponding moving contact place is arranged on the fixed contact on housing, it is characterized in that: described arc-control device comprises the arc-extinguish chamber be arranged on housing, the side place of corresponding arc-extinguish chamber arranges the arc control device on housing, on described housing, between corresponding arc-extinguish chamber and arc control device, place is provided with two raised lines, and between two raised lines, be configured with the striking groove of a connection arc-extinguish chamber and arc control device, on described housing, the side place of corresponding moving contact is provided with an arc striking piece, the lower end of this arc striking piece is to downward-extension and be connected on the lower end of arc-extinguish chamber, the upper end of the static contact of described fixed contact is connected on coil block, the lower end downward bending of static contact extends and is connected on the upper end of arc-extinguish chamber, on described housing, the bending part of corresponding static contact is provided with an arc leading angle, and between arc striking piece and the bottom of static contact, be formed with a striking space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520887631.XU CN205081081U (en) | 2015-11-04 | 2015-11-04 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520887631.XU CN205081081U (en) | 2015-11-04 | 2015-11-04 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081081U true CN205081081U (en) | 2016-03-09 |
Family
ID=55433468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520887631.XU Active CN205081081U (en) | 2015-11-04 | 2015-11-04 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081081U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010811A (en) * | 2018-01-05 | 2018-05-08 | 行驱电气（上海）有限公司 | A kind of case for circuit breaker, arc-control device and breaker |
| CN109192631A (en) * | 2018-10-12 | 2019-01-11 | 上海永继电气股份有限公司 | Arc extinguishing system of circuit breaker and breaker |
| CN113889384A (en) * | 2021-08-16 | 2022-01-04 | 浙江创奇电气有限公司 | Circuit breaker |
-
2015
- 2015-11-04 CN CN201520887631.XU patent/CN205081081U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010811A (en) * | 2018-01-05 | 2018-05-08 | 行驱电气（上海）有限公司 | A kind of case for circuit breaker, arc-control device and breaker |
| CN109192631A (en) * | 2018-10-12 | 2019-01-11 | 上海永继电气股份有限公司 | Arc extinguishing system of circuit breaker and breaker |
| CN109192631B (en) * | 2018-10-12 | 2024-04-16 | 上海永继电气股份有限公司 | Arc extinguishing system of circuit breaker and circuit breaker |
| CN113889384A (en) * | 2021-08-16 | 2022-01-04 | 浙江创奇电气有限公司 | Circuit breaker |
| CN113889384B (en) * | 2021-08-16 | 2022-05-10 | 浙江创奇电气有限公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |