CN107068508B - A kind of breaker - Google Patents
A kind of breaker Download PDFInfo
- Publication number
- CN107068508B CN107068508B CN201710363874.7A CN201710363874A CN107068508B CN 107068508 B CN107068508 B CN 107068508B CN 201710363874 A CN201710363874 A CN 201710363874A CN 107068508 B CN107068508 B CN 107068508B
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- China
- Prior art keywords
- contact
- moving contact
- arc
- moving
- tab
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Classifications
-
- 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 breaker technical fields, and in particular to a kind of breaker of miniaturization, comprising: contact assembly, including moving contact (6) and static contact (7)；Driving mechanism (2), for driving moving contact (6) and static contact (7) combined floodgate or separating brake；Arc-control device (3), is set to contact assembly side；Locking structure, it is arranged on one end or the arc-control device (3) that moving contact (6) are equipped with movable contact, locking structure locking moving contact (6) and arc-control device (3) when moving contact (6) moves to the maximum position far from static contact (7) to separating brake direction are unlocked when driving mechanism (2) applies switching force to moving contact (6).The present invention provides one kind it is possible to prevente effectively from colliding and contacting with run-on tab after moving contact and static contact are separated, moving contact rebound is caused even to be moved to the distance that electric arc can puncture, so that the breaker of the miniaturization of arc reignition.
Description
Technical field
The present invention relates to breaker technical fields, and in particular to a kind of breaker of miniaturization.
Background technique
Breaker is to refer to close, carry and cut-off the electric current under normal loop condition, and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is generally by contact system, arc quenching system, behaviour
Make the composition such as mechanism, buckle releaser, shell.The effect of breaker is turned off and connects load circuit and disengagement failure circuit, prevents
Only fault spread guarantees safe operation.The dynamic/static contact of breaker in bringing onto load or failure high current and the movement of disjunction
In the process, the voltage between dynamic/static contact will cause air dielectric to discharge, and form electric arc.
In order to ensure the reliability service of breaker, arc quenching system is set usually in breaker to extinguish electric arc.But by
It is generally circuit protection actuating mechanism in the breaking operation of dynamic/static contact, such as the iron core or bimetal leaf of belt coil act in fact
It is existing, when moving contact, which is moved to, to collide with run-on tab, moving contact will receive run-on tab application towards static contact direction
The active force of movement, causes that moving contact rebounds or even moving contact can rebound and be moved to the distance that electric arc can puncture, and electric arc is just
It can be formed again, cause arc reignition.It and in order to solve this problem, in the prior art would generally will be between run-on tab and static contact
Distance design it is sufficiently large, although can prevent moving contact rebound from forming electric arc again in this way, but increase breaker
Volume is unfavorable for the miniaturization of breaker.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming in the prior art separated in moving contact and static contact
Afterwards, due to the making contact of moving contact and run-on tab, caused by moving contact rebound so that be moved to that electric arc can puncture away from
From, cause the defect of arc reignition, thus after providing one kind it is possible to prevente effectively from moving contact and static contact are separated, with run-on tab hair
Raw making contact causes moving contact rebound to be even moved to the distance that electric arc can puncture, so that arc reignition is small-sized
The breaker of change.
In order to solve the above-mentioned technical problems, the present invention provides a kind of breakers, comprising:
Contact assembly, including moving contact and static contact；
Driving mechanism, for driving the moving contact and static contact combined floodgate or separating brake；
Arc-control device is set to the contact assembly side；
Locking structure is arranged on the moving contact one end or the arc-control device equipped with movable contact, the locking knot
Structure locks the moving contact and described when the moving contact moves to the maximum position far from the static contact to separating brake direction
Arc-control device is unlocked when the driving mechanism applies switching force to the moving contact.
The breaker, the locking structure opposite can be movably arranged as the moving contact equipped with movable contact including one
One end or the arc-control device on movable part, move to the maximum position far from the static contact in the moving contact
When, by means of forming clamping structure between moving contact described in the movable part and the arc-control device.
One end that the moving contact is equipped with movable contact is arranged in the breaker, the movable part；The movable part exists
The relatively described moving contact continues to move under effect of inertia when the moving contact moves to the maximum position far from the static contact,
And the clamping structure is formed with the corresponding end of the arc-control device.
The breaker, the movable part include the rotation that described one end of the moving contact is installed on by rotary shaft
Block and the first elastic component being installed between the spill spin block and the moving contact.
The breaker, the rotary shaft are mounted on side of the spill spin block far from the static contact.
The breaker, the side that the spill spin block is equipped with rotary shaft have extended outward to form the limitation rotation
The retention bead of block rotation.
The breaker, the spill spin block are the wedge shape that one end has sharp portion, the sharp portion and the rotation
Axis is oppositely arranged.
The breaker, the front end of the moving contact forms mounting portion that thickness is sequentially reduced, stair-stepping, described
Movable part and the mounting portion are pivotally connected.
The breaker, the movable part are arranged in the arc-control device upper end, the movable part include movable block with
And the second elastic component between the movable block and the run-on tab is set, the movable block has the moving contact and institute
State the defined position and allow the moving contact in the work of the driving mechanism that run-on tab is mutually limited in the maximum position
The turned position moved back and forth between the static contact and the limited post under.
The breaker, the arc-control device include arc-chutes and run-on tab, and the upper end of the run-on tab is moved with described
One end that contact is equipped with movable contact forms the locking when the moving contact moves to the maximum position far from the static contact
Structure.
The breaker further includes being arranged at maximum position of the moving contact far from the static contact to keep out
Moving contact is stated to continue to the limited post moved far from the static contact direction；The run-on tab is located at the static contact and the limit
Between the column of position.
The breaker, the movable part are irony.
The breaker, the limited post are to be molded over the enclosure interior, edge perpendicular to where the shell
The cylinder that plane extends, and the height of the limited post is not less than the height of the moving contact.
The breaker, the upper end of the run-on tab form a bending part for being clamped with the moving contact.
Technical solution of the present invention has the advantages that
1. breaker provided by the invention, moving contact when moving to the maximum position far from static contact to separating brake direction,
The one end of moving contact equipped with movable contact is set or the locking structure on arc-control device locks arc-control device and moving contact, in this way
Position of moving contact when far from static contact will be made relatively fixed, even if with arc-control device certain contact occurs for moving contact
Collision, moving contact will not be moved towards static contact, could only be solved when driving mechanism applies switching force to moving contact
Except locking, moved under the reaction force of arc-control device towards the direction of static contact to effectively prevent moving contact, or even move
Move that electric arc can puncture apart from a possibility that, and then prevented arc reignition destruction caused by breaker, guaranteed to resolve
The reliability service of road device.
2. breaker provided by the invention, locking structure opposite can be movably arranged as moving contact equipped with movable contact including one
One end or arc-control device on movable part, to ensure that moving contact both can be reciprocal between static contact and arc-control device
Movement realizes switch closing and switch opening, and can be formed and be clamped with arc-control device under the action of movable part, prevents arc reignition.
3. breaker provided by the invention, rotary shaft is mounted on side of the spill spin block far from static contact, can increase in this way
The opening angle of spill spin block, so that the upper end that spill spin block can pass through run-on tab before opening slides into safe distance, and
It can be connected to the upper end of run-on tab after opening, so that moving contact is fixed on current location.Spill spin block is equipped with rotary shaft
Side extend outward to form a limitation spill spin block rotation retention bead, prevent spill spin block rotational angle is excessive from not having limit
Position effect.
4. breaker provided by the invention further includes that moving contact is arranged in far from dynamic to keep out at the maximum position of static contact
Contact continues to limited post move far from static contact direction, both can guarantee in this way between moving contact and static contact safely away from
From arc through being prevented, and reduce the overall volume and occupied space of breaker, conducive to the miniaturization of breaker.
5. breaker provided by the invention, movable part is pivotally connected by the first elastic component and moving contact, in this way in electrodynamic repulsion force
Under the action of touch spring, moving contact meeting high-speed impact limited post, movable part is rotated to completely open position at this time, when dynamic
When contact moves under the reaction force of limited post towards static contact, movable part can be connected to the upper end of run-on tab, thus effectively
Prevent moving contact rebound effect be moved to that electric arc can puncture apart from a possibility that, avoid arc reignition.And work as
It needs again to contact moving contact and static contact, when with turning circuit, need to only drive driving mechanism that the first elastic component is overcome to generate
Elastic force movable part is rotated to initial position so that moving contact towards close to the direction of static contact move.
6. breaker provided by the invention, moving contact and run-on tab can also by movable block and setting in movable block and
The second elastic component between run-on tab realizes rotation and limit, when moving contact is moved to limited post direction, due to the second elasticity
The elastic deformation power of part is less than electrodynamic repulsion force and touch spring power so that moving contact and static contact separation, and movable block is to limited post
It rolls tiltedly, such moving contact can smoothly cross the upper end of run-on tab；And occurred in moving contact by the active force of limited post
When rebound, since bounce is much smaller than the elastic deformation power of the second elastic component, movable block will not run-off the straight, but will move
Contact is blocked between run-on tab and limited post, to avoid arc reignition.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram that breaker of the invention is in "on" position；
Fig. 2 is the schematic diagram that breaker of the invention is in gate-dividing state；
Fig. 3 is the operating principle schematic diagram of breaker of the invention；
Fig. 4 is the B partial enlargement diagram of Fig. 3；
Fig. 5 is the A partial enlargement diagram of Fig. 1；
Fig. 6 is the perspective view of the explosion of moving contact；
Fig. 7 is the schematic diagram of spill spin block.
Description of symbols:
1- shell；2- driving mechanism；3- arc-control device；4- tripping；5- lock；6- moving contact；7- static contact；8- activity
Part；9- limited post；21- knob；22- connecting rod；31- arc-chutes；32- run-on tab；61- mounting portion；81- spill spin block；82- rotation
Axis；The first elastic component of 83-；321- bending part；811- retention bead；A- spill spin block maximum position；B- spill spin block track；The dynamic touching of c-
Head rail mark.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
A kind of specific embodiment of breaker as shown in figures 1-4, including shell 1, be internally provided with contact assembly,
Driving mechanism 2 and arc-control device 3.Contact assembly includes moving contact 6 and static contact 7.Driving mechanism 2 is for driving the moving contact
6 and the static contact 7 close a floodgate or separating brake, including the knob 21 and connecting rod 22 being articulated on shell 1, one end of connecting rod 22 and knob
21 is hinged, and the other end is connect with the tripping 4 in shell 1, and tripping 4 is connect with lock 5, is provided with moving contact 6, knob on lock 5
21 successively drive tripping 4, lock 5 and moving contact 6 to move by connecting rod 22.Arc-control device 3 is set to the contact assembly side,
Including interconnected arc-chutes 31 and run-on tab 32, the upper end of run-on tab 32 is arranged close to moving contact 6, and lower end extends to arc extinguishing
The entrance of room 31.When encountering high current, electric arc by being generated when 6 disjunction of static contact 7 and moving contact, by 32 upper end of run-on tab along
Being guided into arc-chutes 31 for run-on tab 32 carries out arc extinguishing.One that the moving contact 6 is equipped with movable contact is arranged in locking structure
End, the locking structure lock institute when the moving contact 6 moves to the maximum position far from the static contact 7 to separating brake direction
Moving contact 6 and the arc-control device 3 are stated, is unlocked when the driving mechanism 2 applies switching force to the moving contact 6, so that institute
Moving contact 6 is stated to contact with the static contact 7.
When occurring short circuit, overload or overcurrent in circuit, moving contact 6 is separated with static contact 7, and moving contact 6 is to remote
Direction movement from static contact 7 is until move to maximum position, and moving contact 6 is limited at and works as under the action of locking structure at this time
Front position is not in since the effect of impact of moving contact 6 and run-on tab 32 makes moving contact 6 rebound, so that moving to
The position that electric arc can puncture avoids arc reignition phenomenon；Meanwhile when circuit restores normally, to need moving contact 6 and stationary contact
First 7 when contacting again, only needs the rotation of drive knob 21 to apply switching force to moving contact, moving contact 6 can be back to again at the beginning of
Beginning position, to guarantee the normal work of breaker.
The locking structure includes an activity that opposite can be movably arranged as the one end of the moving contact 6 equipped with movable contact
Part 8, when the moving contact 6 moves to the maximum position far from the static contact 7, the movable part 8 phase under effect of inertia
The moving contact 6 is continued to move, and forms clamping structure with the corresponding end of the arc-control device 3.The arc-control device 3 wraps
Arc-chutes 31 and run-on tab 32 are included, the upper end of the run-on tab 32 and the moving contact 6 are equipped with one end of movable contact described dynamic
Contact 6 forms the locking structure when moving to the maximum position far from the static contact 7.As shown in Fig. 2, moving contact 6 is being transported
It is connected to the side of the separate arc-chutes 31 of run-on tab 32 when moving to maximum position, and is located at the upper end of run-on tab 32, is i.e. in Fig. 2
Right side.In this way in the limited space of circuit breaker housing, so that the distance between moving contact 6 and static contact 7 are big as far as possible, avoid
Arc through, while the upper end of run-on tab 32 can be smoothly crossed under the action of external driving force convenient for moving contact 6, it returns
To the initial position contacted with static contact 7.
It as described in figures 1 and 5, further include being arranged at maximum position of the moving contact 6 far from the static contact 7 to keep out
The moving contact 6 continues to the limited post 9 moved far from 7 direction of static contact；The run-on tab 32 is located at the static contact 7
Between the limited post 9, and the highest point of run-on tab 32 does not influence the proper motion of moving contact 6, and limited post 9 is located at run-on tab
The upper right side of 32 highest point is reserved with certain space between run-on tab 32 and limited post 9.The limited post 9 is to be molded over
Cylinder inside shell 1, extending along the plane perpendicular to 1 place of shell, and the height of limited post 9 is not less than moving contact 6
Highly, this is because moving contact 6 is in being moved through far from static contact 7 when the height of limited post 9 is lower than the height of moving contact 6
Limited post 9 will be directed across in journey, so that limited post 9 can not play real position-limiting action.The upper end of run-on tab 32 at
Type has a bending part 321 for being clamped with moving contact 6, and in the present embodiment, the upper end of run-on tab 32 is to close to static contact 7
Side outward bending forms S-shaped shape, when moving contact 6 moves to maximum position, due to 32 upper end bending part 321 of run-on tab
Limitation is defined in this position.
As it can be seen in figures 5 and 6, the movable part 8 includes the described one end for being installed on the moving contact 6 by rotary shaft 82
Spill spin block 81 and the first elastic component 83 being installed between the spill spin block 81 and the moving contact 6.Spill spin block 81 is by moving contact 6
Front end a part formed, first elastic component 83 is mounted between the spill spin block 81 and the moving contact 6, with realize rotation
The rotation connection of switch block 81 and moving contact 6, the rotary shaft 82 sequentially pass through the spill spin block 81 and first elastic component 83
It is mounted on the moving contact 6, in the present embodiment, the first elastic component 83 is torsional spring.After moving contact 6 strikes limited post 9,
Moving contact 6 is moved to 7 direction of static contact, is at this time to be flexibly connected with moving contact 6 due to spill spin block 81, in impact force and inertia force
Under the action of, spill spin block 81 is rotated up to around rotary shaft 82 and is fully opened, and such spill spin block 81 would be at such as the maximum in Fig. 4
Position a is held between limited post 9 and run-on tab 32, and is contacted with run-on tab 32, at this time the metal educt on moving contact 6
It can be rapidly entered in arc-chutes 31 by run-on tab 32, achieve the purpose that fast arc extinction；In the rebound rotary course of moving contact 6
In, 81 track of spill spin block is as shown in b in Fig. 4, and 6 track of moving contact is as shown in c in Fig. 4；And in the present embodiment, 81 He of spill spin block
Run-on tab 32 is irony, even if at high temperature, will not stick together.It is remote that the rotary shaft 82 is mounted on the spill spin block 81
Side from the static contact 7, the i.e. side close to run-on tab 32 can make spill spin block 81 rotate same angle in this way
When, outwardly extending partial-length is longer, convenient for the clamping with run-on tab 32.
As shown in fig. 7, the side that the spill spin block 81 is equipped with rotary shaft 82 has extended outward to form the limitation rotation
The retention bead 811 that switch block 81 rotates.Retention bead 211 can be integrally formed with spill spin block 81, be located at spill spin block 81 and dynamic touching
The insides of first 6 connection, when the rotation of spill spin block 81 is to maximum position a, due to the blocking of retention bead 811, spill spin block 81 will not
Rotation excessively, so that spill spin block 81 cannot be held in the upper end of run-on tab 32, loses position-limiting action.
As shown in figure 5, the spill spin block 81 is the wedge shape that one end has sharp portion, the sharp portion and the rotary shaft
82 are oppositely arranged, and the length of moving contact 6 is stretched out to increase spill spin block 81 as far as possible in rotating opening.In processing, can will move
A part cutting of 6 front end of contact, is then movably connected in moving contact 6 by rotary shaft 82 and the first elastic component 83 again
Front end.Setting wedge shape for spill spin block 81 is in order to which when spill spin block 81 fully opens, its sharp portion can just be with run-on tab
32 upper end is inconsistent, and realization replaces cambered surface to contact with plane contact, limits relatively reliable.
As shown in fig. 6, the front end of the moving contact 6 forms mounting portion 61 that thickness is sequentially reduced, stair-stepping, installation
Portion 61 is formed by the front end of moving contact 6 by successively skiving, and area that top layer is cut is maximum, what middle layer and lowest level were cut
Area is sequentially reduced, to match with the shape of spill spin block 81, and the installation space of reserved first elastic component 83, the movable part 8
It is pivotally connected with the mounting portion 61 by rotary shaft 82.
Alternatively, the movable part 8 setting is in 3 upper end of arc-control device, i.e. run-on tab 32
Upper end, the movable part 8 include movable block and the second elastic component being arranged between the movable block and the run-on tab 32,
In the present embodiment, the second elastic component is compressed spring.The movable block, which has, exists the moving contact 6 with the run-on tab 32
The defined position and the permission moving contact 6 mutually limited when the maximum position is under the action of driving mechanism 2 in institute
State the turned position moved back and forth between static contact 7 and the limited post 9.The compressed spring of suitable elasticity deformation power need to only be selected
It can be realized moving contact 6 and purpose run-on tab 32 mutually locking or unlocked, the specific requirement of elastic deformation power is small
In making moving contact 6 and the isolated electrodynamic repulsion force and touch spring power of static contact 7, such moving contact 6, which can be crossed smoothly, to be drawn
The upper end of arc plate 32, and it is greater than the bounce that moving contact 6 is subject to after colliding with limited post 9, draw so that moving contact 6 is blocked in
Between arc plate 32 and limited post 9, to avoid arc reignition.
As another alternate embodiments, limited post 9 or limited block can be integrally formed with run-on tab 32 and set
It sets, centre is reserved with the clamping space of 6 front end of moving contact.The upper right side of run-on tab 32 is arranged in limited block, can either hinder
The further movement of stop contact 6, and can be limited between limited block and run-on tab 32.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (9)
1. a kind of breaker, comprising:
Shell (1) is internally provided with contact assembly, driving mechanism (2) and arc-control device (3)；
Contact assembly, including moving contact (6) and static contact (7)；
Driving mechanism (2), for driving the moving contact (6) and the static contact (7) combined floodgate or separating brake；
Arc-control device (3) is set to the contact assembly side；
It is characterized in that, further include,
Locking structure is arranged on one end that the moving contact (6) are equipped with movable contact, and the locking structure is in the moving contact
(6) moving contact (6) and the interrupter cartridge are locked when moving to the maximum position far from the static contact (7) to separating brake direction
(3) are set, are unlocked when the driving mechanism (2) Xiang Suoshu moving contact (6) applies switching force；
The locking structure opposite can be movably arranged as the moving contact (6) equipped with the activity on one end of movable contact including one
Part (8), the movable part (8) are made when the moving contact (6) moves to the maximum position far from the static contact (7) in inertia
Continue to move with the lower relatively described moving contact (6), and forms clamping structure with the corresponding end of the arc-control device (3).
2. breaker according to claim 1, which is characterized in that the movable part (8) includes being pacified by rotary shaft (82)
The spill spin block (81) of described one end loaded on the moving contact (6) and it is installed on the spill spin block (81) and the moving contact (6)
Between the first elastic component (83).
3. breaker according to claim 2, which is characterized in that the rotary shaft (82) is mounted on the spill spin block (81)
Side far from the static contact (7).
4. breaker according to claim 3, which is characterized in that the spill spin block (81) is equipped with the one of rotary shaft (82)
Epitaxial lateral overgrowth stretches the retention bead (811) for being formed with the limitation spill spin block (81) rotation.
5. the breaker according to any one of claim 2~4, which is characterized in that the spill spin block (81) is one end tool
There is the wedge shape of sharp portion, the sharp portion is oppositely arranged with the rotary shaft (82).
6. breaker according to any one of claims 1 to 4, which is characterized in that the front end of the moving contact (6) forms
There is mounting portion (61) that thickness is sequentially reduced, stair-stepping, the movable part (8) and the mounting portion (61) are pivotally connected.
7. breaker according to any one of claims 1 to 4, which is characterized in that the arc-control device (3) includes arc extinguishing
Room (31) and run-on tab (32), upper end and the moving contact (6) of the run-on tab (32) are equipped with one end of movable contact described
Moving contact (6) forms the locking structure when moving to the maximum position far from the static contact (7).
8. breaker according to claim 7, which is characterized in that further include that setting is separate described in the moving contact (6)
Continued with keeping out the moving contact (6) to the limit moved far from the static contact (7) direction at the maximum position of static contact (7)
Column (9)；The run-on tab (32) is between the static contact (7) and the limited post (9).
9. breaker according to any one of claims 1 to 4, which is characterized in that the movable part (8) is irony.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363874.7A CN107068508B (en) | 2017-05-22 | 2017-05-22 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363874.7A CN107068508B (en) | 2017-05-22 | 2017-05-22 | A kind of breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107068508A CN107068508A (en) | 2017-08-18 |
| CN107068508B true CN107068508B (en) | 2019-08-27 |
Family
ID=59610802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710363874.7A Active CN107068508B (en) | 2017-05-22 | 2017-05-22 | A kind of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107068508B (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 |
| CN111785579A (en) * | 2020-07-07 | 2020-10-16 | 浙江正泰电器股份有限公司 | Load break switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5931289A (en) * | 1998-03-10 | 1999-08-03 | Eaton Corporation | Circuit breaker with quick closing mechanism |
| CN1227396A (en) * | 1997-11-20 | 1999-09-01 | 尹顿公司 | Circuit breaker with automatic catch to prevent rebound of blow open contact arm |
| CN202189745U (en) * | 2011-08-04 | 2012-04-11 | 上海电科电器科技有限公司 | Airflow control mechanism for equipment circuit breaker |
| CN102427008A (en) * | 2011-11-08 | 2012-04-25 | 江苏辉能电气有限公司 | Arc-extinguishing device for plastic shell low-voltage circuit breaker |
| CN206774476U (en) * | 2017-05-22 | 2017-12-19 | 浙江人民电器有限公司 | A kind of breaker |
-
2017
- 2017-05-22 CN CN201710363874.7A patent/CN107068508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227396A (en) * | 1997-11-20 | 1999-09-01 | 尹顿公司 | Circuit breaker with automatic catch to prevent rebound of blow open contact arm |
| US5931289A (en) * | 1998-03-10 | 1999-08-03 | Eaton Corporation | Circuit breaker with quick closing mechanism |
| CN202189745U (en) * | 2011-08-04 | 2012-04-11 | 上海电科电器科技有限公司 | Airflow control mechanism for equipment circuit breaker |
| CN102427008A (en) * | 2011-11-08 | 2012-04-25 | 江苏辉能电气有限公司 | Arc-extinguishing device for plastic shell low-voltage circuit breaker |
| CN206774476U (en) * | 2017-05-22 | 2017-12-19 | 浙江人民电器有限公司 | A kind of breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107068508A (en) | 2017-08-18 |
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