CN105070613A - Arc striking device of shunt function breaker - Google Patents
Arc striking device of shunt function breaker Download PDFInfo
- Publication number
- CN105070613A CN105070613A CN201510474970.XA CN201510474970A CN105070613A CN 105070613 A CN105070613 A CN 105070613A CN 201510474970 A CN201510474970 A CN 201510474970A CN 105070613 A CN105070613 A CN 105070613A
- Authority
- CN
- China
- Prior art keywords
- arc
- iron core
- arc striking
- static contact
- static
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
Abstract
The invention discloses an arc striking device of a shunt function breaker. The arc striking device comprises a shell, an electromagnetic release, a contact system, an electronic circuit board, an arc extinguishing system, a conductive system and a tripping mechanism, wherein the conductive system comprises an arc striking rod, a wiring board, a moving contact and a contact support; the arc striking rod is a straight plate which is bent 180 degrees; one bent side of the arc striking rod is a straight side; the other bent side of the arc striking rod is an arc curved side; a lug boss is fixedly arranged at the end part of the arc curved side; the straight side of the arc striking rod is electrically connected with the wiring board; the contact system comprises a static contact plate; the static contact plate is a segment of straight plate which is bent 90 degrees; a diamond chamfering angle is arranged at the end part of the bent end of the static contact plate; the moving contact contacts the static contact plate or is separated from the static contact plate; and the arc extinguishing system is located below the bent end of the static contact plate and at one side of the arc curved side of the arc striking rod. The arc striking device is simple and reasonable in structure; an electronic system can be effectively protected; the execution action is relatively reliable; the magnetic blow-out arc striking effect is good; and the breaking capacity of a shunt tripping part is obviously improved.
Description
Technical field
The present invention relates to a kind of circuit breaker with shunt opening function, be 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 invention provides a kind of shunt opening function circuit breaker arc striking device.
To achieve these goals, the technical solution adopted for the present invention to solve the technical problems is: 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 present invention further provides, 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 present invention further provides, 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.
Beneficial effect of the present invention: structure of the present invention 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 invention;
Fig. 2 is conducting system structural representation of the present invention;
Fig. 3 is the structural representation of static contact panel of the present invention;
Fig. 4 is the structural representation of arc ignition bar of the present invention.
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 invention 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 |
|---|---|---|---|
| CN201510474970.XA CN105070613A (en) | 2015-08-05 | 2015-08-05 | Arc striking device of shunt function breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474970.XA CN105070613A (en) | 2015-08-05 | 2015-08-05 | Arc striking device of shunt function breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105070613A true CN105070613A (en) | 2015-11-18 |
Family
ID=54499953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510474970.XA Pending CN105070613A (en) | 2015-08-05 | 2015-08-05 | Arc striking device of shunt function breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105070613A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01298622A (en) * | 1988-05-26 | 1989-12-01 | Matsushita Electric Works Ltd | Circuit breaker |
| CN201788918U (en) * | 2010-09-20 | 2011-04-06 | 彭友红 | 18mm-wide double-line electric leakage circuit breaker with high breaking capacity |
| CN102543603A (en) * | 2012-01-20 | 2012-07-04 | 浙江鼎威科技有限公司 | Ultrathin minitype breaker |
| CN104183432A (en) * | 2014-09-16 | 2014-12-03 | 长城电器集团有限公司 | Breaker with prepayment function |
| CN204857631U (en) * | 2015-08-05 | 2015-12-09 | 浙江凯发电气股份有限公司 | Shunt opening function circuit breaker arc initiation device |
-
2015
- 2015-08-05 CN CN201510474970.XA patent/CN105070613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01298622A (en) * | 1988-05-26 | 1989-12-01 | Matsushita Electric Works Ltd | Circuit breaker |
| CN201788918U (en) * | 2010-09-20 | 2011-04-06 | 彭友红 | 18mm-wide double-line electric leakage circuit breaker with high breaking capacity |
| CN102543603A (en) * | 2012-01-20 | 2012-07-04 | 浙江鼎威科技有限公司 | Ultrathin minitype breaker |
| CN104183432A (en) * | 2014-09-16 | 2014-12-03 | 长城电器集团有限公司 | Breaker with prepayment function |
| CN204857631U (en) * | 2015-08-05 | 2015-12-09 | 浙江凯发电气股份有限公司 | Shunt opening function circuit breaker arc initiation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |