CN206711860U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN206711860U CN206711860U CN201720338545.2U CN201720338545U CN206711860U CN 206711860 U CN206711860 U CN 206711860U CN 201720338545 U CN201720338545 U CN 201720338545U CN 206711860 U CN206711860 U CN 206711860U
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- Prior art keywords
- tab
- upper run
- static contact
- electromagnetic system
- housing
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
It the utility model is related to a kind of miniature circuit breaker, including housing and the operating mechanism being arranged in housing, electromagnetic system, arc-extinguish chamber, binding post, operating mechanism and electromagnetic system are arranged on the top of housing, arc-extinguish chamber is arranged on below electromagnetic system, binding post is arranged on housing both ends, electromagnetic system includes magnet coil, static contact, magnet coil both ends are connected with binding post and static contact upper end respectively, static contact lower end forms aduncate bending section, the upper run-on tab extended to above arc-extinguish chamber is connected with bending section, upper run-on tab one end forms Z-type bending, the outer end of Z-type bending forms spot-welding part, spot-welding part overlaps spot welding with bending section inner surface and is connected.Upper run-on tab and static contact of the present utility model use different materials, are connected by spot welding, facilitate electric arc fast transition, improve breaking capacity.
Description
Technical field
It the utility model is related to a kind of miniature circuit breaker.
Background technology
Static contact is provided with the electromagnetic system of miniature circuit breaker, run-on tab is generally extended with static contact, it is existing
Upper run-on tab is typically integrally formed with static contact, and in order to improve striking effect, the length of run-on tab is increasingly longer, particularly big electricity
Miniature circuit breaker is flowed, but in order to carry high current, static contact is all very thick, and the small material of conductive resistance is used, which results in
The rising of the cost of raw material.
The content of the invention
The purpose of this utility model is solve above-mentioned technical problem, there is provided a kind of low small-sized disconnected of easy to process, cost
Road device.
To achieve the above object, the utility model uses a kind of miniature circuit breaker, including housing and is arranged in housing
Operating mechanism, electromagnetic system, arc-extinguish chamber, binding post, operating mechanism and electromagnetic system are arranged on the top of housing, and arc-extinguish chamber is set
Put below electromagnetic system, binding post is arranged on housing both ends, and electromagnetic system includes magnet coil, static contact, magnet coil
Both ends are connected with binding post and static contact upper end respectively, and static contact lower end forms aduncate bending section, connects on bending section
The upper run-on tab extended to above arc-extinguish chamber is connected to, described upper run-on tab one end forms Z-type bending, and the outer end of Z-type bending is formed
Spot-welding part, spot-welding part overlap spot welding with bending section inner surface and are connected.
The utility model, which is further arranged to the upper run-on tab, includes first half and latter half of, and first half is rolled over by Z-type
Curved and spot-welding part integrally connected, it is latter half of to be connected with binding post, it is latter half of that gap together is formed between first half.
The end that the utility model is further arranged to the first half of the upper run-on tab forms a breach, upper run-on tab
Latter half of front end form projection and be plugged in the breach, and form one of arch gap along breach.
The middle segment length that the utility model is further arranged to the Z-type bending is identical with the thickness of bending section.
The utility model is further arranged to thickness of the thickness less than flexibility of the upper run-on tab.
The beneficial effects of the utility model are that upper run-on tab and static contact use different materials, are connected by spot welding, on
Run-on tab one end forms Z-type bending, allows the bending section spot welding of outer end and static contact, the bending section of run-on tab and static contact in guarantee
On a face, that is, material cost is saved, the connecting sewing between two kinds of materials of upper run-on tab is eliminated further through structure design,
Facilitate electric arc fast transition, improve breaking capacity.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model specific embodiment.
Fig. 2 is the schematic diagram of the electromagnetic system of the utility model specific embodiment.
Fig. 3 is the schematic diagram of the electromagnetic system of the utility model specific embodiment.
Embodiment
As shown in Figure 1-Figure 3, specific embodiment of the utility model is a kind of miniature circuit breaker, including housing 1 and is set
Operating mechanism 2, electromagnetic system 3, thermo-magnetic system 6, arc-extinguish chamber 4, binding post 5 in housing 1, operating mechanism 2 and electromagnetic system
System 3 is arranged on the top of housing 1, and arc-extinguish chamber 4 is arranged on the lower section of electromagnetic system 3, and binding post 5 is arranged on the both ends of housing 1, electromagnetism
System 3 includes magnet coil 31, static contact 32, the both ends of magnet coil 31 connecting plate 51 and static contact with binding post 5 respectively
32 upper ends connect, and the lower end of static contact 32 forms aduncate bending section 33, is connected with and extended on arc-extinguish chamber 4 on bending section 33
The upper run-on tab 34 of side, upper one end of run-on tab 34 form Z-type bending, and the outer end of Z-type bending forms spot-welding part 35, spot-welding part 35 with
The inner surface of bending section 33 overlaps spot welding connection.Upper run-on tab 34 includes first half 341 and latter half of 342, and first half 341 passes through Z
Type bending and the integrally connected of spot-welding part 35, latter half of 342 are connected with the connecting plate 51 of binding post 5, the first half of upper run-on tab 34
The end in portion 341 forms a breach 343, and latter half of 342 front end of upper run-on tab 34 forms projection 344 and is plugged on breach
In 343, and one of arch gap 345 being formed along breach 343, the middle segment length of Z-type bending is identical with the thickness of bending section 33,
The thickness of upper run-on tab 34 is less than the thickness of flexibility 33.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of miniature circuit breaker, including housing and the operating mechanism, electromagnetic system, arc-extinguish chamber, the terminals that are arranged in housing
Son, operating mechanism and electromagnetic system are arranged on the top of housing, and arc-extinguish chamber is arranged on below electromagnetic system, and binding post is arranged on
Housing both ends, electromagnetic system include magnet coil, static contact, and magnet coil both ends connect with binding post and static contact upper end respectively
Connecing, static contact lower end forms aduncate bending section, and the upper run-on tab extended to above arc-extinguish chamber is connected with bending section, its
It is characterised by：Described upper run-on tab one end forms Z-type bending, and the outer end of Z-type bending forms spot-welding part, spot-welding part with bending section
Surface overlaps spot welding connection.
2. miniature circuit breaker according to claim 1, it is characterised in that：The upper run-on tab includes first half and later half
Portion, first half is latter half of to be connected with binding post by Z-type bending and spot-welding part integrally connected, latter half of between first half
Form one of gap.
3. miniature circuit breaker according to claim 2, it is characterised in that：The end of the first half of the upper run-on tab is formed
One breach, the latter half of front end of upper run-on tab form projection and are plugged in the breach, and form one of arch along breach
Gap.
4. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterised in that：The middle segment length of the Z-type bending
It is identical with the thickness of bending section.
5. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterised in that：The thickness of the upper run-on tab is less than curved
The thickness of curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338545.2U CN206711860U (en) | 2017-03-31 | 2017-03-31 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338545.2U CN206711860U (en) | 2017-03-31 | 2017-03-31 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206711860U true CN206711860U (en) | 2017-12-05 |
Family
ID=60467747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338545.2U Active CN206711860U (en) | 2017-03-31 | 2017-03-31 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206711860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273769A (en) * | 2021-12-30 | 2022-04-05 | 华瞬(深圳)智能装备有限公司 | Novel welding of new energy automobile power battery overlap joint piece device |
-
2017
- 2017-03-31 CN CN201720338545.2U patent/CN206711860U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273769A (en) * | 2021-12-30 | 2022-04-05 | 华瞬(深圳)智能装备有限公司 | Novel welding of new energy automobile power battery overlap joint piece device |
| CN114273769B (en) * | 2021-12-30 | 2023-08-08 | 华瞬(深圳)智能装备有限公司 | Welding device for power battery strap of new energy automobile |
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