CN206516584U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
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- CN206516584U CN206516584U CN201720118787.0U CN201720118787U CN206516584U CN 206516584 U CN206516584 U CN 206516584U CN 201720118787 U CN201720118787 U CN 201720118787U CN 206516584 U CN206516584 U CN 206516584U
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- lock
- housing
- circuit breaker
- handle
- miniature circuit
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Abstract
A kind of miniature circuit breaker, including housing, provided with handle and the operating mechanism being connected with handle in housing, described operating mechanism includes tripping and the lock that overlap joint coordinates, back-moving spring is installed on the spring boss of handle, the first end pin of described back-moving spring one end extends to the top of lock and the convex tendon clamping with being arranged on its side, and provided with the protection department being oppositely arranged with convex tendon on lock, the opposite side of described protection department and first end pin is oppositely arranged so that will not be directly exposed at first end pin stress towards the side of moving contact in housing.The utility model on the lock of breaker by setting protection department, so as to can effectively avoid electric arc from burning slide fastener caused by back-moving spring in the breaking course of breaker so that qualification rate of this miniature circuit breaker in complete machine disjunction short-circuit test is greatly improved.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, particularly a kind of miniature circuit breaker.
Background technology
General miniature circuit breaker is largely using four companies of the compositions such as lock, tripping and back-moving spring in the market
Linkage is used to make breaker latch and thread off, but when carrying out complete machine short-circuit capacity verification experimental verification, is usually produced in disjunction
In the presence of raw electric arc and burning back-moving spring causes quadric chain slide fastener so that breaker complete machine short-circuit capacity is tested
Card is unqualified, so as to reduce the safety and reliability of miniature circuit breaker.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and there is provided one kind is simple in construction, easy to process, safe
Reliable miniature circuit breaker.
To achieve the above object, the utility model employs following technical scheme：
A kind of miniature circuit breaker, including housing 1, the operating mechanism being connected in housing 1 provided with handle 2 and with handle 2
3, described operating mechanism 3 includes tripping 32 and the lock 33 that overlap joint coordinates, and reset is provided with the spring boss 21 of handle 2
Spring 4, the first end pin 41 of described one end of back-moving spring 4 extends to the top of lock 33 and the convex tendon with being arranged on its side
332 clampings, and provided with the protection department 333 being oppositely arranged with convex tendon 332, described protection department 333 and first on lock 33
The opposite side of end pin 41 is oppositely arranged so that will not be directly exposed to housing towards the side of moving contact 6 at the stress of first end pin 41
In 1.
Optionally, described lock 33 by be arranged on lock 33 middle part axis hole 334 be articulated in handle 2 lower section and with
The moving contact 6 of breaker is arranged at intervals, and the both sides of 33 one end of lock are respectively equipped with to be oppositely arranged with the bimetallic element 9 of breaker
The armature 52 of projection 331 and convex tendon 332, the other end of lock 33 and the magnetictrip 5 of breaker is oppositely arranged.
Optionally, described protection department 333 be arranged on convex tendon 332 lower section and with the formation of convex tendon 332 gap, described the
One end pin 41 be located in the gap and with the end clamping of convex tendon 332, and protection department 333 in the housing 1 towards moving contact 6 and
Side where the static contact 7 of breaker is set.
Optionally, the lower section of the axis hole 334 is additionally provided with latch hook 335, described latch hook 335 and the lock tooth of the one end of tripping 32
Engagement is separated, i.e. breaker is under normal "on" position, and latch hook 335 is engaged with lock tooth, so that the double leval jib of operating mechanism 3
Locking, during dropout, lock tooth is separated with latch hook 335.
Optionally, described protection department 333 includes protection boss 3331 and pedestal 3332, one end of the pedestal 3332 with
The side wall of lock 33 is connected, and the other end is extended along back-moving spring 4 to convex tendon 332, and described protection boss 3331 is protruded
The end at the end is arranged on, and protects formation retaining wall 3333 between the side of boss 3331 and the surface of pedestal 3332, it is described
The first end pin 41 of retaining wall 3333 and back-moving spring 4 be oppositely arranged so that first end pin 41 is all the time in convex tendon 332 and retaining wall
Spaced motion between 3333, protects the edge of the opposite side pedestal 3332 of boss 3331 concordantly to set.
Optionally, described operating mechanism 3 also includes U-shaped lever 31 and the contact being articulated on housing 1 support 34, described
Contact supports 34 one end to be hinged by U-shaped lever 31 with handle 2, and the other end is connected with the moving contact 6 of breaker so as to structure
Into circuit breaker operation mechanism double leval jib, described tripping 32 is articulated on housing 1 and its one end supports 34 to overlap with contact, separately
One end is engaged with lock 33.
Optionally, described handle 2 is articulated in the end and one end of housing 1 and is used to operate through housing 1, described bullet
Spring boss 21 is arranged on the middle part of handle 2, and described back-moving spring 4 is socketed on spring boss 21, the other end of back-moving spring 4
Second end pin 42 is located on handle 2.
Optionally, magnetictrip 5, arc-chutes 8, bimetallic element 9 and binding post are additionally provided with described housing 1
10, described magnetictrip 5 and arc-chutes 8 is successively set on the lower section of operating mechanism 3, the both sides difference of magnetictrip 5
It is oppositely arranged with the connection end 61 at the top of the bottom of lock 33 and the moving contact 6 of breaker, described arc-chutes 8 and moving contact 6
The tip side 62 of bottom is oppositely arranged, and described binding post 10 is separately positioned on the both sides of housing 1, the static contact 7 of breaker
It is connected with the binding post 10 of side and is oppositely arranged with moving contact 6, described bimetallic element 9 is located at the side of lock 33
And electrically connected respectively with magnetictrip 5 and binding post 10.
Optionally, described bimetallic element 9 is arranged between the side wall of housing 1 and lock 33 and bimetallic element 9
One end lock can be driven 33 to unlock tripping 32, the other end through magnetictrip 5 yoke 53 and pass through breaker
Connecting plate 12 is fixedly connected with the binding post 10 relative to the side of moving contact 6, and described magnetictrip 5 also includes being wound on
Coil 51 on skeleton and be slidably mounted on intraskeletal armature 52, the two ends of the coil 51 respectively by brush wire 11 with it is double
The connection end 61 of hardware 9 and moving contact 6 is electrically connected for conduction, and described armature 52 is set through connection end 61.
Optionally, described lock 33 includes pedestal 336, bimetallic lever 337 and fixing axle 338, described pedestal 336 with
It is articulated in centered on fixing axle 338 on housing 1, one end of the bimetallic lever 337 is arranged in pedestal 336 and and fixing axle
338 are rotatably assorted, and the other end protrudes pedestal 336 and is oppositely arranged with the armature 52 of magnetictrip 5.
Miniature circuit breaker of the present utility model passes through the convex tendon on the lock of breaker and the position of back-moving spring clamping
Place sets protection department, so as to can effectively avoid electric arc to be slided caused by burning back-moving spring in the breaking course of breaker
Button so that qualification rate of this miniature circuit breaker in complete machine disjunction short-circuit test is greatly improved, while ensure that miniature circuit breaker
Can stablize dropout so that improve the safety and reliability that miniature circuit breaker is used.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of lock of the present utility model；
Fig. 3 is the structural representation of protection department of the present utility model；
Fig. 4 is the structural representation of another embodiment of lock of the present utility model；
Fig. 5 is the structural representation of fixing axle of the present utility model；
Fig. 6 is the structural representation of pedestal of the present utility model；
Fig. 7 is the structural representation of bimetallic lever of the present utility model.
Embodiment
Embodiment of the present utility model is provided below in conjunction with accompanying drawing 1 to 7, small-sized open circuit of the present utility model is further illustrated
Implement body embodiment.Miniature circuit breaker of the present utility model is not limited to the following description.
As illustrated in fig. 1 and 2, the miniature circuit breaker in the utility model includes housing 1, in the housing 1 provided with handle 2, with
Operating mechanism 3, moving contact 6 and static contact 7 that handle 2 is connected, described handle 2 drive moving contact 6 by operating mechanism 3
Swing makes moving contact 6 and static contact 7 be contacting and separating to realize the break-make of circuit, in the breaking course of moving contact 6 and static contact 7
Electric arc can be produced in housing 1, described operating mechanism 3 includes tripping 32 and the lock 33 that overlap joint coordinates, in the spring of handle 2
Back-moving spring 4 is installed, the first end pin 41 of described one end of back-moving spring 4 extends to the top of lock 33 and with setting on boss 21
Putting the clamping of convex tendon 332 in its side is used to provide elastic contact force for the unblock dropout of breaker, and is set on lock 33
There is the protection department 333 being oppositely arranged with convex tendon 332, described protection department 333 and the opposite side of first end pin 41, which are oppositely arranged, to be made
Obtaining will not be directly exposed in housing 1 at the stress of first end pin 41 towards the side of moving contact 6, be produced so as to keep away during disjunction
Electric arc burn back-moving spring 4 and cause back-moving spring 4 and convex tendon 332 to take off power and make the slide fastener of lock 33.The utility model passes through disconnected
Convex tendon 332 on the lock 33 of road device at the position of the clamping of back-moving spring 4 with setting protection department 333, so that in point of breaker
Electric arc can be effectively avoided to burn slide fastener caused by back-moving spring 4 during disconnected so that this miniature circuit breaker is in complete machine disjunction
Qualification rate in short-circuit test is greatly improved, while ensure that dropout that miniature circuit breaker can stablize and then improve small-sized disconnected
The safety and reliability that road device is used.
Specifically, end and one end that described handle 2 is articulated in housing 1 are used to operate through housing 1, described bullet
Spring boss 21 is arranged on the middle part of handle 2, and described back-moving spring 4 is socketed on spring boss 21, the other end of back-moving spring 4
Second end pin 42 is located on handle 2；Described operating mechanism 3 also includes U-shaped lever 31 and the contact being articulated on housing 1 is supported
34, the contact supports 34 one end to be hinged by U-shaped lever 31 with handle 2, and the other end is connected to constitute with moving contact 6
Circuit breaker operation mechanism double leval jib, described tripping 32 is articulated on housing 1 and its one end and contact support 34 to overlap to be used for
Transmission, the other end is engaged with lock 33 for latching and threading off, and described lock 33 is articulated in the lower section of handle 2 and touched with dynamic
First 6 are arranged at intervals.
Magnetictrip 5, arc-chutes 8, bimetallic element 9 and binding post 10 are additionally provided with described housing 1, it is described
Magnetictrip 5 and arc-chutes 8 are successively set on the lower section of operating mechanism 3, and the both sides of magnetictrip 5 are respectively with latching 33
The connection end 61 at bottom and the top of moving contact 6 is oppositely arranged for instantaneous trip, described arc-chutes 8 and the bottom of moving contact 6
Tip side 62 is oppositely arranged for arc extinguishing, and the both sides that described binding post 10 is separately positioned on housing 1 are used for wiring, described
Static contact 7 is connected with the binding post 10 of side and is oppositely arranged with moving contact 6, and described bimetallic element 9 is located at lock
33 side is used for delayed releasing and electrically connected respectively with magnetictrip 5 and binding post 10 for conduction.
Specifically, described bimetallic element 9 is arranged between the side wall of housing 1 and lock 33 and bimetallic element 9
One end can be generated heat in overload and flexural deformation and drive lock 33 that the unblock of tripping 32 made into circuit breaker tripping, the other end is through electricity
The yoke 53 of magnetic release 5 and the connecting plate 12 by breaker and the fixation of binding post 10 company relative to the side of moving contact 6
Connect；Described magnetictrip 5 also includes the coil 51 being wound on skeleton and is slidably mounted on intraskeletal armature 52, described
The two ends of coil 51 are electrically connected for conduction, institute by brush wire 11 with the connection end 61 of bimetallic element 9 and moving contact 6 respectively
The armature 52 stated is set through connection end 61, when occurring overload current in circuit, the magnetic field that armature 52 is produced in coil 51
The lower customer service of effect is arranged on intraskeletal spring movement, and the bottom of strike lock 33 makes lock while 6 disjunction of moving contact is driven
The unblock of button 33 is threaded off.
As shown in Fig. 2 described lock 33 is articulated in the lower section of handle 2 by being arranged on the axis hole 334 at the middle part of lock 33,
The both sides for latching 33 one end are respectively equipped with projection 331 and convex tendon 332, and described projection 331 is oppositely arranged use with bimetallic element 9
Contacted when in 9 heated bending of bimetallic element for delayed releasing, the other end and the magnetictrip 5 of lock 33
Armature 52 is oppositely arranged for instantaneous trip, and described protection department 333 is arranged on the lower section of convex tendon 332 and formed with convex tendon 332
Gap, described first end pin 41 be located in the gap and with the end clamping of convex tendon 332, and protection department 333 is in housing 1
Produced electric arc when being provided for stopping moving contact 6 with 7 disjunction of static contact towards the side where moving contact 6 and static contact 7,
The lower section of the axis hole 334 is additionally provided with latch hook 335, and described latch hook 335 is engaged or separated with the lock tooth of the one end of tripping 32, that is, breaks
Road device is under normal "on" position, and latch hook 335 is engaged with lock tooth, so that the double leval jib locking of operating mechanism 3, in dropout process
In, lock tooth is separated with latch hook 335.
As shown in figure 3, described protection department 333 includes protection boss 3331 and pedestal 3332, the one of the pedestal 3332
The side wall with lock 33 is held to be connected, the other end is extended along back-moving spring 4 to convex tendon 332, described protection boss 3331
Be provided projectingly in the end at the end, and protect the side of boss 3331 and the surface of pedestal 3332 to form retaining wall 3333, institute
The first end pin 41 of the retaining wall 3333 stated and back-moving spring 4 is oppositely arranged so that first end pin 41 is all the time in convex tendon 332 and retaining wall
Spaced motion is used to make reset so as to produce elastic force between 3333, protects the side of the opposite side pedestal 3332 of boss 3331
Edge is concordantly provided for stopping that the electric arc in housing 1 is directly contacted with back-moving spring 4 and burns back-moving spring 4.
As shown in Figures 4 and 5, another embodiment of the lock 33 in the utility model, described lock 33 includes pedestal
336th, bimetallic lever 337 and fixing axle 338, described pedestal 336 are articulated in centered on fixing axle 338 on housing 1, the gold
One end of category lever 337 is arranged in pedestal 336 and is rotatably assorted with fixing axle 338, and the other end protrudes pedestal 336 and and electromagnetism
The armature 52 of electrical apparatus release 5 is oppositely arranged, when breaker is by high current, and the coil 51 of magnetictrip 5, which produces magnetic field, makes rank
Iron 52 overcomes spring movement and hits the end of bimetallic lever 337, and bimetallic lever 337 centered on fixing axle 338 when being rotated
Bimetallic element 9 can be touched, because bimetallic lever 337 is dystectic metal material, therefore is not in melting adhesion
Phenomenon, so that avoiding breaker slide fastener phenomenon occurs, improves the interrupting performance of breaker, strengthens the protection work(of breaker
Energy.
As shown in fig. 6, the installation cavity 3361 that described pedestal 336 includes being arranged on the side of pedestal 336 is used to install metal
Lever 337, described bimetallic lever 337 be rotatably installed in by fixing axle 338 in installation cavity 3361 consequently facilitating assembling and
And the simple easily realization of design, the side wall of described one end of installation cavity 3361 is provided with projection 331, and the other end is opening, and described is convex
Playing 331 and being oppositely arranged with the end of bimetallic element 9 is used to contact in 9 heated bending of bimetallic element, and
The axis hole 334 for installing fixing axle 338 and the side along axis hole 334 are respectively provided with the middle part of two side walls of installation cavity 3361
The reinforcement 3362 that edge protrusion is set, described fixing axle 338 is fixedly mounted on housing 1 by axis hole 334 through pedestal 336
And be connected with the rotation of pedestal 336, described reinforcement 3362 is engaged to increase axis hole 334 with fixing with fixing axle 338
The contact area of axle 338 improves the reliability of connection；The opposite side of the pedestal 336 is sequentially provided with convex tendon 332, protection department
333 and latch hook 335, described protection department 333 be arranged on the lower section of convex tendon 332 and with the formation of convex tendon 332 gap, described first
Hold pin 41 be located in the gap and with the end clamping of convex tendon 332, and protection department 333 housing 1 it is interior towards moving contact 6 with it is quiet
Side where contact 7 electric arc produced when being provided for stopping moving contact 6 with 7 disjunction of static contact, described latch hook 335
Abutted against in the lower section of axis hole 334 and with one end of tripping 32 so as to prevent the slide fastener of tripping 32.
As shown in fig. 7, described bimetallic lever 337 includes galianconism 3371, the arched arm 3372 and long-armed being sequentially connected
3373, described arched arm 3372 is engaged with fixing axle 338 enables bimetallic lever 337 spacing turn in installation cavity 3361
Dynamic, described galianconism 3371 is oppositely arranged with raised 331, and described long-armed 3373 extend to pedestal along the opening of installation cavity 3361
Outside 336, and the top protrusion installation cavity 3361 of galianconism 3371 sets and is oppositely arranged with the top of bimetallic element 9 and is used for
The power produced in 9 heated bending of bimetallic element, which passes to pedestal 336, makes lock 33 unlock and thread off.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to protection domain of the present utility model.
Claims (10)
1. a kind of miniature circuit breaker, including housing (1), the behaviour being connected in housing (1) provided with handle (2) and with handle (2)
Make mechanism (3), described operating mechanism (3) includes tripping (32) and the lock (33) that overlap joint coordinates, it is characterised in that：In handle
(2) back-moving spring (4) is installed, the first end pin (41) of described back-moving spring (4) one end is extended on spring boss (21)
The top of (33) and convex tendon (332) clamping with being arranged on its side are latched, and is provided with and convex tendon (332) on lock (33)
The protection department (333) being oppositely arranged, the opposite side of described protection department (333) and first end pin (41) is oppositely arranged so that first
It will not be directly exposed in housing (1) towards the side of moving contact (6) at pin (41) stress of end.
2. miniature circuit breaker according to claim 1, it is characterised in that：Described lock (33) is by being arranged on lock
(33) axis hole (334) in the middle part of is articulated in the lower section of handle (2) and is arranged at intervals with the moving contact (6) of breaker, latches (33)
The both sides of one end are respectively equipped with is oppositely arranged raised (331) and convex tendon (332) with the bimetallic element (9) of breaker, latches
(33) the other end and the armature (52) of the magnetictrip (5) of breaker is oppositely arranged.
3. miniature circuit breaker according to claim 1 or 2, it is characterised in that：Described protection department (333) is arranged on convex tendon
(332) lower section and with convex tendon (332) formation gap, described first end pin (41) be located in the gap and with convex tendon (332)
End clamping, and protection department (333) in the housing (1) towards one where the static contact (7) of moving contact (6) and breaker
Side is set.
4. miniature circuit breaker according to claim 2, it is characterised in that：Latch hook is additionally provided with below the axis hole (334)
(335), the lock tooth engagement of described latch hook (335) and tripping (32) one end or separate, i.e. breaker under normal "on" position,
Latch hook (335) is engaged with lock tooth, so that the double leval jib locking of operating mechanism (3), during dropout, lock tooth and latch hook
(335) separate.
5. miniature circuit breaker according to claim 3, it is characterised in that：Described protection department (333) includes protection boss
(3331) and pedestal (3332), one end of the pedestal (3332) is connected with the side wall of lock (33), and the other end is along resetting bullet
Spring (4) is extended to convex tendon (332), and described protection boss (3331) is provided projectingly in the end at the end, and is protected convex
Retaining wall (3333), described retaining wall (3333) and back-moving spring are formed between the side of platform (3331) and the surface of pedestal (3332)
(4) first end pin (41) is oppositely arranged so that first end pin (41) is spacing between convex tendon (332) and retaining wall (3333) all the time
Motion, the edge of the opposite side pedestal (3332) of protection boss (3331) is concordantly set.
6. miniature circuit breaker according to claim 1, it is characterised in that：Described operating mechanism (3) also includes U-shaped lever
(31) and the contact that is articulated on housing (1) supports (34), the contact supports the one end of (34) to pass through U-shaped lever (31) and hand
Handle (2) is hinged, and the other end is connected to constitute circuit breaker operation mechanism double leval jib with the moving contact (6) of breaker, described
Tripping (32) is articulated on housing (1) and its one end supports (34) overlap joint with contact, and the other end is engaged with lock (33).
7. miniature circuit breaker according to claim 1, it is characterised in that：Described handle (2) is articulated in the end of housing (1)
Portion and one end are used to operate through housing (1), and described spring boss (21) is arranged on the middle part of handle (2), and described answers
Position spring (4) is socketed on spring boss (21), and the second end pin (42) of back-moving spring (4) other end is located on handle (2).
8. miniature circuit breaker according to claim 1, it is characterised in that：Electromagnetic trip is additionally provided with described housing (1)
Device (5), arc-chutes (8), bimetallic element (9) and binding post (10), described magnetictrip (5) and arc-chutes (8) according to
The secondary lower section for being arranged on operating mechanism (3), the both sides of magnetictrip (5) are respectively with latching the bottom of (33) and moving for breaker
Connection end (61) at the top of contact (6) is oppositely arranged, described arc-chutes (8) and tip side (62) phase of moving contact (6) bottom
To setting, described binding post (10) is separately positioned on the both sides of housing (1), the static contact (7) of breaker and connecing for side
Line terminals (10) are connected and are oppositely arranged with moving contact (6), and described bimetallic element (9) is located at the side of lock (33) simultaneously
Electrically connected respectively with magnetictrip (5) and binding post (10).
9. miniature circuit breaker according to claim 8, it is characterised in that：Described bimetallic element (9) is arranged on housing
(1) between side wall and lock (33) and one end of bimetallic element (9) can drive lock (33) by tripping (32) unblock,
The other end through magnetictrip (5) yoke (53) and connecting plate (12) by breaker with relative to moving contact (6) one
The binding post (10) of side is fixedly connected；
Described magnetictrip (5) also includes the coil (51) being wound on skeleton and is slidably mounted on intraskeletal armature
(52), the two ends of the coil (51) pass through the connection end of brush wire (11) and bimetallic element (9) and moving contact (6) respectively
(61) electrically connect for conduction, described armature (52) is set through connection end (61).
10. miniature circuit breaker according to claim 1, it is characterised in that：Described lock (33) include pedestal (336),
Bimetallic lever (337) and fixing axle (338), described pedestal (336) are articulated in centered on fixing axle (338) on housing (1),
One end of the bimetallic lever (337) is arranged in pedestal (336) and is rotatably assorted with fixing axle (338), and the other end protrudes base
Seat (336) is simultaneously oppositely arranged with the armature (52) of magnetictrip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118787.0U CN206516584U (en) | 2017-02-08 | 2017-02-08 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118787.0U CN206516584U (en) | 2017-02-08 | 2017-02-08 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516584U true CN206516584U (en) | 2017-09-22 |
Family
ID=59867234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720118787.0U Active CN206516584U (en) | 2017-02-08 | 2017-02-08 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516584U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833802A (en) * | 2017-12-19 | 2018-03-23 | 高能格乐电气股份有限公司 | A kind of miniature circuit breaker |
| CN107845546A (en) * | 2017-12-19 | 2018-03-27 | 高能格乐电气股份有限公司 | A kind of reclosing breaker |
| CN108109886A (en) * | 2018-01-18 | 2018-06-01 | 温州奥来电器有限公司 | A kind of breaker |
| CN113826182A (en) * | 2019-05-20 | 2021-12-21 | 三菱电机株式会社 | Release type electromagnetic trip device |
| CN115101390A (en) * | 2022-07-26 | 2022-09-23 | 杭州申发电气有限公司 | Double-break contact system for plastic case type circuit breaker and circuit breaking method |
-
2017
- 2017-02-08 CN CN201720118787.0U patent/CN206516584U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833802A (en) * | 2017-12-19 | 2018-03-23 | 高能格乐电气股份有限公司 | A kind of miniature circuit breaker |
| CN107845546A (en) * | 2017-12-19 | 2018-03-27 | 高能格乐电气股份有限公司 | A kind of reclosing breaker |
| CN107833802B (en) * | 2017-12-19 | 2020-03-24 | 高能格乐电气股份有限公司 | Small-sized circuit breaker |
| CN108109886A (en) * | 2018-01-18 | 2018-06-01 | 温州奥来电器有限公司 | A kind of breaker |
| CN108109886B (en) * | 2018-01-18 | 2024-04-26 | 温州奥来电器有限公司 | Circuit breaker |
| CN113826182A (en) * | 2019-05-20 | 2021-12-21 | 三菱电机株式会社 | Release type electromagnetic trip device |
| CN113826182B (en) * | 2019-05-20 | 2023-12-05 | 三菱电机株式会社 | Release type electromagnetic trip device |
| CN115101390A (en) * | 2022-07-26 | 2022-09-23 | 杭州申发电气有限公司 | Double-break contact system for plastic case type circuit breaker and circuit breaking method |
| CN115101390B (en) * | 2022-07-26 | 2024-03-26 | 杭州申发电气有限公司 | Double-break contact system for plastic shell type circuit breaker and circuit breaking method |
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