CN203325741U - Mini breaker - Google Patents
Mini breaker Download PDFInfo
- Publication number
- CN203325741U CN203325741U CN201320451881XU CN201320451881U CN203325741U CN 203325741 U CN203325741 U CN 203325741U CN 201320451881X U CN201320451881X U CN 201320451881XU CN 201320451881 U CN201320451881 U CN 201320451881U CN 203325741 U CN203325741 U CN 203325741U
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- China
- Prior art keywords
- binding post
- conductive plate
- tab
- run
- housing
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Abstract
The utility model discloses a mini breaker which comprises a housing and an N-pole control unit arranged in the housing. The N-pole control unit comprises a first binding post, a second binding post, a moving contact and a static contact, wherein the first binding post is electrically connected with the moving contact via a first current conducting plate and a flexible lead, the second binding post is electrically connected with the static contact via a second current conducting plate, the static contact is welded at one end of the second current conducting plate far from the second binding post, and the first and second current conducting plates are both copper plates; and a first end tab is welded at the end of the first current conducting plate close to the moving contact, the second end tab is welded at the end of the second current conducting plate where the static contact is arranged, the first and second end tabs respectively guide arcs to move in the direction far from the moving or static contact, and both the first and second end tabs are iron plates. The mini breaker of the utility model is reasonable in structure, and product performance is improved.
Description
Technical field
The utility model belongs to field of circuit breakers, is specifically related to a kind of miniature circuit breaker.
Background technology
Miniature circuit breaker is mainly used in the various occasions such as industry, business, high level and residential houses.Be applicable to overload and the short-circuit protection use of circuit, also can use as the not frequent operation conversion of circuit under normal circumstances.
The structure of the miniature circuit breaker with N utmost point control unit in the market is: described N utmost point control unit is arranged in the housing of circuit breaker, and it comprises the first binding post, the second binding post, moving contact and fixed contact, described the first binding post is electrically connected to described moving contact through the first conductive plate and flexible conductor, described the second binding post is electrically connected to described fixed contact through the second conductive plate, described fixed contact is welded on the end of described the second conductive plate away from described the second binding post, described the first conductive plate is connected with the first run-on tab near an end of described moving contact, the end that described the second conductive plate arranges fixed contact is connected with the second run-on tab, described the first conductive plate and the first run-on tab adopt copper material to be made into integration, described the first conductive plate and the first run-on tab adopt copper material to be made into integration.In this miniature circuit breaker, the first run-on tab and the second run-on tab adopt copper material to make, and the striking effect is general, causes arc quenching effect poor, and the break-time of dynamic/static contact is longer.
The utility model content
To this, the purpose of this utility model is to provide a kind of miniature circuit breaker rational in infrastructure, and it has good performance.
The technical scheme that realizes the utility model purpose is:
A kind of miniature circuit breaker comprises:
Housing;
N utmost point control unit, it is arranged in described housing, and described N utmost point control unit comprises the first binding post, the second binding post, moving contact and fixed contact;
And operating grip, it is located at the upper end of described housing;
Described the first binding post is electrically connected to described moving contact through the first conductive plate and flexible conductor, described the second binding post is electrically connected to described fixed contact through the second conductive plate, described fixed contact is welded on the end of described the second conductive plate away from described the second binding post, and described the first conductive plate and the second conductive plate are copper coin;
Described the first conductive plate is welded with respectively pilot arc to the first run-on tab moved away from the dynamic/static contact direction and the second run-on tab near an end of described moving contact and the end that described the second conductive plate arranges fixed contact, and described the first run-on tab and the second run-on tab are iron plate.
In technique scheme, the link of described operating grip stretches in described housing and is connected with operating mechanism, and its pulling part stretches out from described housing; The cross sectional shape of described pulling part is isosceles triangle.
In technique scheme, form anti-skidding double wedge on the two side of described pulling part.
In technique scheme, described the first binding post and the second binding post are the screw-type binding post.
The utlity model has positive effect:
(1) electric conductivity due to copper is better than iron, and the striking effect of iron is better than copper, therefore be provided as the first run-on tab and the second run-on tab employing iron plate that striking is used in the utility model, setting adopts copper coin mainly as conduction with the first conductive plate and the second conductive plate, so the striking effect of the first run-on tab in the utility model and the second run-on tab is just more excellent, shorten the break-time of dynamic/static contact, promoted the performance of product.
(2) in the utility model, the link of described operating grip stretches in described housing and is connected with operating mechanism, and its pulling part stretches out from described housing; The cross sectional shape of described pulling part is isosceles triangle, and is provided with anti-skidding double wedge on the two side of described pulling part, aforesaid operations handle rational in infrastructure, more convenient to operate, and result of use is good.
The accompanying drawing explanation
A kind of structural representation that Fig. 1 is miniature circuit breaker of the present utility model;
Reference numeral shown in figure is: the 1-housing; The 2-operating grip; The 21-pulling part; 3-the first binding post; 4-the second binding post; The 5-moving contact; The 6-fixed contact; 7-the first conductive plate; The 8-flexible conductor; 9-the second conductive plate; 10-the first run-on tab; 11-the second run-on tab; The 12-actuating mechanism.
Embodiment
A kind of embodiment below in conjunction with Figure of description to miniature circuit breaker of the present utility model elaborates:
As shown in Figure 1, a kind of miniature circuit breaker comprises: housing 1, N utmost point control unit and operating grip 2; Described N utmost point control unit is arranged in described housing 1, and described N utmost point control unit comprises the first binding post 3, the second binding post 4, moving contact 5 and fixed contact 6; Described the first binding post 3 and the second binding post 4 in the present embodiment are the screw-type binding post.Described operating grip 2 is located at the upper end of described housing 1; Described the first binding post 3 is electrically connected to described moving contact 5 through the first conductive plate 7 and flexible conductor 8, described the second binding post 4 is electrically connected to described fixed contact 6 through the second conductive plate 9, described fixed contact 6 is welded on the end of described the second conductive plate 9 away from described the second binding post 4, and described the first conductive plate 7 and the second conductive plate 9 are copper coin; Described the first conductive plate 7 is welded with respectively pilot arc to the first run-on tab 10 moved away from the dynamic/static contact direction and the second run-on tab 11 near an end of described moving contact 5 and the end that described the second conductive plate 9 arranges fixed contact 6, and described the first run-on tab 10 and the second run-on tab 11 are iron plate.Because the electric conductivity of copper is better than iron, and the striking effect of iron is better than copper, therefore be provided as the first run-on tab 10 and the second run-on tab 11 employing iron plates that striking is used in the present embodiment, setting adopts copper coin mainly as conduction with the first conductive plate 7 and the second conductive plate 9, so the striking effect of the first run-on tab 10 in the present embodiment and the second run-on tab 11 is just more excellent, shorten the break-time of dynamic/static contact, promoted the performance of product.
The link of the described operating grip 2 in the present embodiment stretches in described housing 1 and is connected with actuating mechanism 12, and its pulling part 21 stretches out from described housing 1; The cross sectional shape of described pulling part 21 is isosceles triangle, and forms anti-skidding double wedge on the two side of described pulling part 21, aforesaid operations handle 2 rational in infrastructure, more convenient to operate, and result of use is good.
Obviously, above-described embodiment of the present utility model is only for the utility model example clearly is described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (4)
1. a miniature circuit breaker comprises:
Housing (1);
N utmost point control unit, it is arranged in described housing (1), and described N utmost point control unit comprises the first binding post (3), the second binding post (4), moving contact (5) and fixed contact (6);
And operating grip (2), it is located at the upper end of described housing (1);
It is characterized in that: described the first binding post (3) is electrically connected to described moving contact (5) through the first conductive plate (7) and flexible conductor (8), described the second binding post (4) is electrically connected to described fixed contact (6) through the second conductive plate (9), described fixed contact (6) is welded on the end of described the second conductive plate (9) away from described the second binding post (4), and described the first conductive plate (7) and the second conductive plate (9) are copper coin;
Described the first conductive plate (7) is welded with respectively pilot arc to the first run-on tab (10) moved away from the dynamic/static contact direction and the second run-on tab (11) near an end of described moving contact (5) and the end that described the second conductive plate (9) arranges fixed contact (6), and described the first run-on tab (10) and the second run-on tab (11) are iron plate.
2. miniature circuit breaker according to claim 1 is characterized in that:
The link of described operating grip (2) stretches in described housing (1) and is connected with actuating mechanism (12), and its pulling part (21) stretches out from described housing (1); The cross sectional shape of described pulling part (21) is isosceles triangle.
3. miniature circuit breaker according to claim 2 is characterized in that:
Form anti-skidding double wedge on the two side of described pulling part (21).
4. according to the described miniature circuit breaker of any one in claims 1 to 3, it is characterized in that:
Described the first binding post (3) and the second binding post (4) are the screw-type binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451881XU CN203325741U (en) | 2013-07-26 | 2013-07-26 | Mini breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451881XU CN203325741U (en) | 2013-07-26 | 2013-07-26 | Mini breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203325741U true CN203325741U (en) | 2013-12-04 |
Family
ID=49665053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320451881XU Expired - Lifetime CN203325741U (en) | 2013-07-26 | 2013-07-26 | Mini breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203325741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409297A (en) * | 2014-11-19 | 2015-03-11 | 河南耐博电气科技有限公司 | Arc extinguishing mechanism of circuit breaker |
-
2013
- 2013-07-26 CN CN201320451881XU patent/CN203325741U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409297A (en) * | 2014-11-19 | 2015-03-11 | 河南耐博电气科技有限公司 | Arc extinguishing mechanism of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG PEOPLE ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: PEOPLE ELECTRICAL APPLIANCES GROUP CO., LTD. Effective date: 20140528 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140528 Address after: 325604, Yueqing, Zhejiang province Liushi town wide industrial zone Patentee after: ZHEJIANG PEOPLE ELE. APPLIANCE Co.,Ltd. Address before: 325604 Zhejiang City, Wenzhou province Yueqing Town Station Road, No. 555 people's Industrial Park, No. Patentee before: People Electric Appliance Group Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |