CN204857631U - Shunt opening function circuit breaker arc initiation device - Google Patents
Shunt opening function circuit breaker arc initiation device Download PDFInfo
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- CN204857631U CN204857631U CN201520582915.8U CN201520582915U CN204857631U CN 204857631 U CN204857631 U CN 204857631U CN 201520582915 U CN201520582915 U CN 201520582915U CN 204857631 U CN204857631 U CN 204857631U
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- arc
- iron core
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- circuit breaker
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Abstract
The utility model discloses a shunt opening function circuit breaker arc initiation device, including casing, electromagnetism release, contact system, electronic circuit board, arc extinguishing system, electrically conductive system, tripping device, electrically conductive system contains the striking pole, the wiring board, the moving contact, the contact is supported, the striking pole is the 180 straight boards of buckling, wherein the striking pole one buckles the limit for the straight flange, another limit of buckling of striking pole is the bent limit of arc, the end fixing that is located the bent limit of arc is provided with the boss, the straight flange and the wiring board electricity of striking pole are connected, the contact system contains static touch pad, static touch pad is one section and is equipped with the 90 straight boards of buckling, the tip of the one end that static touch pad buckles is provided with the rhombus chamfer, moving contact and static touch pad contact or separation, the arc extinguishing system is static touch pad's the one end of buckling below and lies in the one side on the bent limit of arc of striking pole. The utility model discloses the structure is retrencied rationally, can effectively protect electronic system, and to perform an action is more reliable, and the magnetic blow -out striking is effectual, obviously improves the breaking capacity of shunt opening dropout part.
Description
Technical field
The utility model relates to a kind of circuit breaker with shunt opening function, is specifically related to a kind of shunt opening function circuit breaker arc striking device.
Background technology
When circuit breaker divides deenergizing, the gas between contact produces electric discharge phenomena under highfield effect, and we are referred to as electric arc.Due to the existence of electric arc in circuit breaker breaking course, circuit breaker break-time is postponed, scaling loss contact, can cause even in severe case and catch fire and explode.For this reason, in miniature circuit breaker, striking, arc-control device must be set.The effect of arc-initiating device makes electric arc enter arc-chute within the shortest time, by it extinguishing; Existing arc-initiating device complex structure, magnetic blow-out striking DeGrain.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of shunt opening function circuit breaker arc striking device.
To achieve these goals, the utility model solves the technical scheme that its technical problem adopts: a kind of shunt opening function circuit breaker arc striking device, comprise housing, magnetictrip, contact system, electronic circuit board, arc quenching system, conducting system, tripping mechanism, described conducting system comprises arc ignition bar, terminal block, moving contact, contact is supported, arc ignition bar is the straight plate of 180 ° of bendings, wherein a bending edge of arc ignition bar is straight flange, another bending edge of arc ignition bar is the bent limit of arc, the end winding support being positioned at the bent limit of arc is provided with boss, the straight flange of arc ignition bar is electrically connected with terminal block, described contact system comprises static contact panel, static contact panel is one section of straight plate being provided with 90 ° of bendings, the end of one end of static contact panel bending is provided with rhombus chamfering, described moving contact contacts with static contact panel or is separated, arc quenching system be the bending of static contact panel one end below and be positioned at the side on the bent limit of arc of arc ignition bar.
A kind of shunt opening function circuit breaker arc striking device that the utility model provides further, the housing of its arc quenching system side offers and lets out nock.
A kind of shunt opening function circuit breaker arc striking device that the utility model provides further, its magnetictrip comprises dynamic iron core, static iron core, iron core spring, push rod, skeleton, tripping coil and lead-in wire, static iron core is fixedly installed on intraskeletal one end, dynamic iron core slides and is arranged in the other end of skeleton, iron core spring is connected between static iron core and dynamic iron core, dynamic iron core and push rod are in transmission connection, and tripping coil is wound in skeleton periphery, and the two ends of tripping coil are electrically connected with electronic circuit board by lead-in wire.
The beneficial effects of the utility model: the utility model structure is simplified rationally, energy available protecting electronic system, perform an action more reliable, magnetic blow-out striking is effective, significantly improves the breaking capacity of shunted exciter tripping part.
Accompanying drawing explanation
Fig. 1 is shunt opening function circuit breaker shunted exciter tripping off-state structural representation of the present utility model;
Fig. 2 is conducting system structural representation of the present utility model;
Fig. 3 is the structural representation of the utility model static contact panel;
Fig. 4 is the structural representation of the utility model arc ignition bar.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, a kind of shunt opening function circuit breaker arc striking device described in Fig. 4, comprise housing 1, magnetictrip 2, contact system 4, electronic circuit board 3, arc quenching system 5, conducting system 6, tripping mechanism 7, described conducting system 6 comprises arc ignition bar 620, terminal block 630, moving contact 640, contact is supported, arc ignition bar 620 is the straight plate of 180 ° of bendings, wherein a bending edge of arc ignition bar 620 is straight flange 621, another bending edge of arc ignition bar 620 is the bent limit 622 of arc, the end winding support being positioned at the bent limit 622 of arc is provided with boss 623, the straight flange 621 of arc ignition bar 620 is electrically connected with terminal block 630, described contact system 4 comprises static contact panel 410, static contact panel 410 is one section of straight plate being provided with 90 ° of bendings, the end of one end that static contact panel 410 bends is provided with rhombus chamfering 4102, described moving contact 640 contacts with static contact panel 410 or is separated, arc quenching system 5 be the bending of static contact panel 410 one end below and be positioned at the side on the bent limit 622 of arc of arc ignition bar 620.
The housing 1 of described arc quenching system 5 side offers and lets out nock 110.
Described magnetictrip 2 comprises dynamic iron core, static iron core, iron core spring, push rod, skeleton 8, tripping coil 9 and lead-in wire 10, static iron core is fixedly installed on the one end in skeleton 8, dynamic iron core slides and is arranged in the other end of skeleton 8, iron core spring is connected between static iron core and dynamic iron core, dynamic iron core and push rod are in transmission connection, it is peripheral that tripping coil 9 is wound in skeleton 8, and the two ends of tripping coil 9 are electrically connected with electronic circuit board 3 by lead-in wire 10.
Shunt opening function circuit breaker breaking course of the present utility model is: when there being shunt opening control signal to input, electronic circuit board 3 detects signal, pass through calculation process, instruction is amplified and transfers to magnetictrip 2, the dynamic and static iron core adhesive action of magnetictrip 2, drive tripping mechanism 7 to thread off, circuit breaker interlock open circuit, divide during deenergizing and produce electric arc, the right-angle bending of the static contact panel 410 of electric arc one end in contact system 4 transfers to rhombus chamfering, enters arc quenching system 5 fast; Moving contact 640 arcing of the electric arc other end in conducting system 6, cause on arc ignition bar arcwall face by the bent limit 622 of the arc of arc ignition bar 620, arcuately electric arc to be introduced in arc quenching system 5 and is carried out splitting and cool by surperficial fast moving to arc quenching system two ends arcing again, letting out nock 110 passage letting out arc, whole circuit breaking course after realizing shunted exciter tripping action with crossing housing 1 pair.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a shunt opening function circuit breaker arc striking device, comprise housing, magnetictrip, contact system, electronic circuit board, arc quenching system, conducting system, tripping mechanism, described conducting system comprises arc ignition bar, terminal block, moving contact, contact is supported, it is characterized in that, arc ignition bar is the straight plate of 180 ° of bendings, wherein a bending edge of arc ignition bar is straight flange, another bending edge of arc ignition bar is the bent limit of arc, the end winding support being positioned at the bent limit of arc is provided with boss, the straight flange of arc ignition bar is electrically connected with terminal block, described contact system comprises static contact panel, static contact panel is one section of straight plate being provided with 90 ° of bendings, the end of one end of static contact panel bending is provided with rhombus chamfering, described moving contact contacts with static contact panel or is separated, arc quenching system be the bending of static contact panel one end below and be positioned at the side on the bent limit of arc of arc ignition bar.
2. a kind of shunt opening function circuit breaker arc striking device according to claim 1, is characterized in that, the housing of described arc quenching system side offers and lets out nock.
3. a kind of shunt opening function circuit breaker arc striking device according to claim 1 and 2, it is characterized in that, described magnetictrip comprises dynamic iron core, static iron core, iron core spring, push rod, skeleton, tripping coil and lead-in wire, static iron core is fixedly installed on intraskeletal one end, dynamic iron core slides and is arranged in the other end of skeleton, iron core spring is connected between static iron core and dynamic iron core, dynamic iron core and push rod are in transmission connection, tripping coil is wound in skeleton periphery, and the two ends of tripping coil are electrically connected with electronic circuit board by lead-in wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582915.8U CN204857631U (en) | 2015-08-05 | 2015-08-05 | Shunt opening function circuit breaker arc initiation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582915.8U CN204857631U (en) | 2015-08-05 | 2015-08-05 | Shunt opening function circuit breaker arc initiation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857631U true CN204857631U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520582915.8U Active CN204857631U (en) | 2015-08-05 | 2015-08-05 | Shunt opening function circuit breaker arc initiation device |
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| CN (1) | CN204857631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070613A (en) * | 2015-08-05 | 2015-11-18 | 浙江凯发电气股份有限公司 | Arc striking device of shunt function breaker |
-
2015
- 2015-08-05 CN CN201520582915.8U patent/CN204857631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070613A (en) * | 2015-08-05 | 2015-11-18 | 浙江凯发电气股份有限公司 | Arc striking device of shunt function breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee after: Zhejiang Kai FA Electric Co., Ltd. Address before: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee before: ZHEJIANG KAIFA ELECTRICAL CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd. Address before: 325000 white elephant road 2-1, North white elephant Town, Yueqing, Wenzhou, Zhejiang (South Tower) Patentee before: Zhejiang Kai FA Electric Co., Ltd. |