CN104835698B - A kind of small-sized multibreak circuit breaker - Google Patents
A kind of small-sized multibreak circuit breaker Download PDFInfo
- Publication number
- CN104835698B CN104835698B CN201510205087.0A CN201510205087A CN104835698B CN 104835698 B CN104835698 B CN 104835698B CN 201510205087 A CN201510205087 A CN 201510205087A CN 104835698 B CN104835698 B CN 104835698B
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- China
- Prior art keywords
- arc
- moving contact
- contact
- chutes
- arc quenching
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Classifications
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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
- H01H73/04—Contacts
-
- 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
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to a kind of small-sized multibreak circuit breaker, provided with two arc quenching systems in the Shell of circuit breaker, respectively the first arc quenching system and the second arc quenching system, first arc-chutes of first arc quenching system and the second arc-chutes of the second arc quenching system are disposed adjacent, and the dividing plate for separating electromagnetism between two arc-chutes is provided between the first arc-chutes and the second arc-chutes, on the housing the first static contact is installed with positioned at the first arc-chutes side, the second arc-chutes side and it is provided with the second static contact with the first static contact level and lengthwise position corresponding section, the first moving contact of the moving contact respectively including setting corresponding with the position of the first static contact and the second moving contact with the corresponding setting in position of the second static contact, first moving contact is connected in series with the second moving contact.
Description
Technical field
It is especially a kind of high pressure resistant the present invention relates to a kind of breaker, and the high small-sized multibreak of contact synchronism
Breaker.
Background technology
Miniature circuit breaker (English name：Miniature Circuit Breaker）Also known as miniature circuit breaker（Micro
Circuit Breaker）, it is adaptable to exchange 50/60Hz (direct current 50V/250V）, rated voltage 230/400V, rated current is extremely
The overload and short-circuit protection of 63A circuits are used, and can also be used under normal circumstances as the infrequently operation conversion of circuit.It is small
Type breaker is mainly used in the various places such as industry, business, high-rise and residential houses.
Breaker generally includes the composition such as contact system, arc quenching system, operating mechanism, electrical apparatus release, shell.Traditional is small-sized
Breaker is easy for installation due to small volume, applied to various places, but is due to continuing to develop for industry, to breaker
Proof voltage degree requires also more and more higher, and due to reasons such as miniature circuit breaker small volumes, existing miniature circuit breaker is at some
Special situation can not meet more use demands.
The content of the invention
The problem to be solved in the present invention is to provide a kind of breaker, especially a kind of high pressure resistant, and contact synchronism
High small-sized multibreak circuit breaker.
In order to solve the above technical problems, the present invention includes contact system, arc quenching system, operating mechanism, link gear, thread off
Device, shell, handle, the arc quenching system include arc-chutes and the arc extinguishing grid pieces being arranged in arc-chutes, the contact system
Including moving contact and static contact, the operating mechanism is linked by link gear and moving contact, the case for circuit breaker housing
Inside it is provided with two arc quenching systems, respectively the first arc quenching system and the second arc quenching system, the first of first arc quenching system
Second arc-chutes of arc-chutes and the second arc quenching system are disposed adjacent, and are provided between the first arc-chutes and the second arc-chutes
The first static contact is installed with positioned at the first arc-chutes side on the dividing plate that electromagnetism between two arc-chutes is separated, the housing,
The second arc-chutes side and the second static contact is provided with the first static contact level and lengthwise position corresponding section, it is described dynamic
The first moving contact of contact respectively including setting corresponding with the position of the first static contact and the position phase with the second static contact
The second moving contact being correspondingly arranged, first moving contact is connected in series with the second moving contact.
Employ after said structure, as a result of two arc quenching systems, and the arc-chutes in two arc quenching systems
It is electrically isolated and sets, corresponding with two arc quenching systems is to be in relative position, two contact systems that can be opened and closed together, two
Individual contact system connects to form a loop jointly, by such setting can in breaker closing or disconnection, due to
The larger voltage instantaneously produced is while by two arc quenching systems so that miniature circuit breaker can be in the consistent situation of other conditions
Under bear bigger instantaneous voltage.
As a further improvement on the present invention, first moving contact and the second moving contact are integrated setting, and
It is interconnected between one moving contact and the second moving contact and forms U-shaped moving contact block, the U-shaped moving contact block includes two ends contact end
And one end connection end, the connection end of the U-shaped moving contact block is flexibly connected with link gear, and the company of U-shaped moving contact block
Connecing end can circumferentially rotate around the junction with link gear.
Employ after said structure, after two moving contacts are wholely set, not only realize the series connection between moving contact, and
When moving contact is closed, it is ensured that certain synchronism, and U-shaped moving contact block setting be even more facilitate installation and into
Type.
As a further improvement on the present invention, the link gear includes the tripping being connected with handle, and sets
Linkage board below tripping, the linkage board is provided with and jointed shaft groove shape provided with axial trough, described be hinged in axial trough is hinged
Axis hole is provided with the jointed shaft being adapted, the U-shaped moving contact block at jointed shaft, the jointed shaft is articulated with axis hole.
It is located at the both sides in its direction of motion on the U-shaped moving contact block, is arranged with two shapes and consistent spacing of size
Groove, the linkage board is equipped with the straight line between limited block, with respect to two faces of described two limited blocks at two stopper slots
Distance is more than the air line distance of two stopper slot groove centers.
Employ after said structure, due to being found in implementation process, moving contact its moving surface in motion process is very
Hardly possible is on same perpendicular, and there is also corresponding problem for static contact, it is impossible to accomplishes really parallel, is constantly present certain mistake
Difference.
So the connection end of moving contact is taken in above-mentioned technique effect can carry out the technical scheme of free rotation, the skill
Art scheme not only implements more convenient, and technique effect is also preferable.Due to U-shaped moving contact block can around junction self
Axial rotation, when one end end face of U-shaped moving contact block is in contact with static contact, and the other end due to equipment error not in contact with when, U
Type moving contact block will self axial rotation, to not in contact with end deflect so that two ends all obtain quick and sufficient contact.And limit
The setting of position block and stopper slot then ensure that the limitation of moving contact original state and motion state limitation, it is to avoid contact starts skew
Poised state is excessive.
Brief description of the drawings
Fig. 1 show the small-sized self-contained figure of multibreak circuit breaker internal structure；
Fig. 2 show small-sized multibreak circuit breaker side structure schematic diagram；
Fig. 3 show moving contact and static contact position cooperation schematic diagram；
Fig. 4 show U-shaped moving contact block and link gear exploded perspective view；
Fig. 5 show U-shaped moving contact block structure schematic diagram.
As shown in Fig. 1 Fig. 2 Fig. 3, the present invention includes contact system（1）, arc quenching system（2）, operating mechanism（3）, connection
Motivation structure（4）, electrical apparatus release（5）, shell（6）, handle（7）, the arc quenching system（2）Including arc-chutes（21）And be arranged at and go out
Arc chamber（21）Interior arc extinguishing grid pieces（22）, the contact system（1）Including moving contact（11）And static contact（12）, the operation
Mechanism（3）Pass through link gear（4）With moving contact（11）Provided with two arc quenching systems in linkage, the case for circuit breaker housing,
Respectively the first arc quenching system（23）And second arc quenching system（24）, first arc quenching system（23）The first arc-chutes
（231）And second arc quenching system（24）The second arc-chutes（241）It is disposed adjacent, and the first arc-chutes（231）With second
Arc-chutes（241）Between be provided with by between two arc-chutes electromagnetism separate dividing plate（25）, the first arc extinguishing is located on the housing
Room（231）Side is installed with the first static contact（121）, second arc-chutes（241）Side and with the first static contact level
And lengthwise position corresponding section is provided with the second static contact（122）, the moving contact（11）Include and the first static contact respectively（121）
The corresponding setting in position the first moving contact（111）And with the second static contact（122）The corresponding setting in position second
Moving contact（112）, first moving contact（111）With the second moving contact（112）It is connected in series.As a result of two arc extinguishing systems
System, and the arc-chutes electric isolution setting in two arc quenching systems, corresponding with two arc quenching systems is to be in relative position
Put, can be opened and closed together two contact system, two contact systems connect to form a loop jointly, set by such
Can be in breaker closing or disconnection, because the larger voltage instantaneously produced is while by two arc quenching systems so that small
Type breaker can bear bigger instantaneous voltage in the case where other conditions are consistent.
As shown in Fig. 3 Fig. 4, first moving contact（111）And second moving contact（112）It is integrated setting, and
One moving contact（111）With the second moving contact（112）Between be interconnected form U-shaped moving contact block（6）, the U-shaped moving contact block
（6）Including two ends contact end（61）And one end connection end（62）, the U-shaped moving contact block（6）Connection end（62）With linkage
Mechanism（4）It is flexibly connected, and U-shaped moving contact block（6）Connection end（62）Can circumferentially it turn around the junction with link gear
It is dynamic.After two moving contacts are wholely set, the series connection between moving contact is not only realized, and when moving contact is closed, it is ensured that
Certain synchronism, and the setting of U-shaped moving contact block is even more to facilitate installation and be molded.
As shown in Fig. 4 Fig. 5, the link gear includes the tripping being connected with handle, and is arranged at below tripping
Linkage board（42）, the linkage board（42）It is provided with and is hinged axial trough（421）, it is described to be hinged axial trough（421）It is interior to be provided with being hinged
Axial trough（421）The jointed shaft that shape is adapted（422）, the U-shaped moving contact block（6）Upper close jointed shaft（422）Place is provided with axle
Hole（423）, the jointed shaft（422）It is articulated with axis hole（423）It is interior.The U-shaped moving contact block（6）It is upper to be located in its direction of motion
Both sides, be arranged with two shapes and the consistent stopper slot of size（7）, the linkage board is close to two stopper slots（7）
Place is equipped with limited block（8）, described two limited blocks（8）Air line distance between with respect to two faces is more than two stopper slots（7）
The air line distance of groove center.Due to being found in implementation process, moving contact its moving surface in motion process is to be difficult same
On perpendicular, there is also corresponding problem for static contact, it is impossible to accomplishes really parallel, is constantly present certain error.So
The connection end of moving contact is taken in above-mentioned technique effect can carry out the technical scheme of free rotation, and the technical scheme is not only real
Apply more convenient, and technique effect is also preferable.Because U-shaped moving contact block can work as U around self axial rotation of junction
One end end face of type moving contact block is in contact with static contact, and the other end due to equipment error not in contact with when, U-shaped moving contact block is just
Self quick axial rotation of meeting, is deflected so that two ends are all sufficiently contacted to not in contact with end.And limited block and stopper slot
Setting then ensure that the limitation of moving contact original state and motion state limitation, it is to avoid it is excessive that contact starts skew poised state.
Claims (2)
- It is electrical apparatus release, outer 1. a kind of small-sized multibreak circuit breaker, including contact system, arc quenching system, operating mechanism, link gear Shell, handle, the arc quenching system includes arc-chutes and the arc extinguishing grid pieces being arranged in arc-chutes, and the contact system includes dynamic Contact and static contact, the operating mechanism are linked by link gear and moving contact, it is characterised in that：The case for circuit breaker Provided with two arc quenching systems, respectively the first arc quenching system and the second arc quenching system in housing, first arc quenching system Second arc-chutes of the first arc-chutes and the second arc quenching system are disposed adjacent, and between the first arc-chutes and the second arc-chutes Provided with the dividing plate for separating electromagnetism between two arc-chutes, the first stationary contact is installed with positioned at the first arc-chutes side on the housing Head, the second arc-chutes side and is provided with the second static contact, institute with the first static contact level and lengthwise position corresponding section State first moving contact of the moving contact respectively including setting corresponding with the position of the first static contact and the position with the second static contact The second moving contact of corresponding setting is put, first moving contact is connected in series with the second moving contact；First moving contact with And second moving contact be integrated between setting, and the first moving contact and the second moving contact be interconnected form U-shaped moving contact block, The U-shaped moving contact block includes two ends contact end and one end connection end, the connection end of the U-shaped moving contact block and link gear It is flexibly connected, and the connection end of U-shaped moving contact block can be circumferentially rotated around the junction with link gear；It is described U-shaped dynamic tactile It is located at the both sides in its direction of motion on head block, is arranged with two shapes and the consistent stopper slot of size, the linkage The air line distance that plate is equipped with two stopper slots between limited block, with respect to two faces of described two limited blocks is more than two The air line distance of stopper slot groove center.
- 2. small-sized multibreak circuit breaker according to claim 1, it is characterised in that：The link gear includes joining with handle The tripping of dynamic connection, and the linkage board below tripping is arranged at, the linkage board is described to be hinged axial trough provided with axial trough is hinged It is interior to be provided with axis hole on the U-shaped moving contact block at jointed shaft provided with the jointed shaft being adapted with jointed shaft groove shape, it is described Jointed shaft is articulated with axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510205087.0A CN104835698B (en) | 2015-04-24 | 2015-04-24 | A kind of small-sized multibreak circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510205087.0A CN104835698B (en) | 2015-04-24 | 2015-04-24 | A kind of small-sized multibreak circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104835698A CN104835698A (en) | 2015-08-12 |
| CN104835698B true CN104835698B (en) | 2017-08-04 |
Family
ID=53813513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510205087.0A Active CN104835698B (en) | 2015-04-24 | 2015-04-24 | A kind of small-sized multibreak circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104835698B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706062A (en) * | 2017-11-06 | 2018-02-16 | 浙江人民电器有限公司 | A kind of miniature circuit breaker |
| CN107872048B (en) * | 2017-11-09 | 2019-05-03 | 上海广吉电气有限公司 | High pressure double breaking points intelligent switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1012117A (en) * | 1996-06-24 | 1998-01-16 | Mitsubishi Electric Corp | Circuit breaker |
| JP5256667B2 (en) * | 2007-08-27 | 2013-08-07 | 富士電機機器制御株式会社 | Circuit breaker |
| CN102592903B (en) * | 2011-01-10 | 2015-04-08 | 北京人民电器厂有限公司 | Multi-breakpoint circuit breaker |
| CN202058676U (en) * | 2011-05-23 | 2011-11-30 | 温州罗格朗电器有限公司 | Double-breaking-point breaker |
| CN204516706U (en) * | 2015-04-24 | 2015-07-29 | 浙江奔一电气有限公司 | A kind of small-sized multibreak circuit breaker |
-
2015
- 2015-04-24 CN CN201510205087.0A patent/CN104835698B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104835698A (en) | 2015-08-12 |
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Address after: 325000 Wenzhou Bridge Industrial Park, Beibeixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Benyi New Energy Co.,Ltd. Address before: Pan Shi Zhen Chong Shi Cun, Leqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG BENYI ELECTRICAL Co.,Ltd. |