CN106601563B - A kind of electro-magnetic circuit breaker and quickly push latching device open - Google Patents
A kind of electro-magnetic circuit breaker and quickly push latching device open Download PDFInfo
- Publication number
- CN106601563B CN106601563B CN201710100508.2A CN201710100508A CN106601563B CN 106601563 B CN106601563 B CN 106601563B CN 201710100508 A CN201710100508 A CN 201710100508A CN 106601563 B CN106601563 B CN 106601563B
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- Prior art keywords
- push rod
- lock
- service portion
- acting surface
- quickly
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Classifications
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- 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
Abstract
A kind of breaker that the present invention discloses a kind of electro-magnetic circuit breaker and included quickly pushes latching device open, and it includes electromagnetic tripping apparatus and lock that this, which quickly pushes latching device open, and when the magnitude of current is excessive in electromagnetic coil, push rod is disconnected towards screw-home movement with trigger circuit.Electromagnetic tripping apparatus includes push rod, push rod energy horizontal displacement pushes lock to rotate and then drives moving contact to separate with static contact, the lock is respectively equipped with the acting surface matched with push rod, the acting surface wherein latched is equipped with the first service portion and the second service portion, first service portion and the second service portion are the arcuation bulge-structures on snap action face, push rod pushes in lock stroke and successively realizes tripping, the purpose of fast cut-off circuit when reaching circuit breaker short circuit with the first service portion of lock, the effect of the second service portion to quickly push lock open.
Description
Technical field
The present invention discloses a kind of electro-magnetic circuit breaker and quickly pushes latching device open, divides by International Patent Classification (IPC) (IPC)
Belong to breaker manufacturing technology field.
Background technique
Currently, electric current is more than the several times of normal current, electromagnetic trip in breaker when occurring short trouble in breaker
The electromagnetic force that device generates is greater than reaction force, and dynamic iron core is inhaled dynamic and pushes lock B by push rod A, and then is driven dynamic and static
Contact separates and unlocks cutting circuit and realize short-circuit protection.As shown in Figure 1, the acting surface of lock and push rod is an arcwall face, by
Lower rotary motion is acted in latching in push rod, and push rod is horizontal propulsion, snap action face is that line contacts with the position for pushing away button,
And with the propulsion of push rod, position is variation, and latches the design of single arcwall face, the propulsion stroke of push rod compared with
Greatly, i.e. breaker solution tripping needs the long period；In addition, lock dynamic rotary, cause push rod position deviate center compared with
Greatly, stress disperses, and the utilization rate of push rod thrust is poor.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of breakers quickly to push latching device open, is made by lock
It with the dual convex arc design on face, is successively acted on push rod, quickly evades button purpose to reach.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions:
A kind of breaker quickly pushes latching device, including electromagnetic tripping apparatus and lock open, and electromagnetic tripping apparatus includes pushing away
Bar, push rod energy horizontal displacement push lock to rotate and then drive moving contact to separate with static contact, and the lock is distinguished with push rod
Equipped with the acting surface matched, wherein the acting surface latched is equipped with the first service portion and the second service portion, first effect
Portion and the second service portion are the arcuation bulge-structures on snap action face, push rod push in lock stroke successively with lock first
Service portion, the effect of the second service portion realize tripping to quickly push lock open.
Further, the first service portion side of the lock is equipped with the second service portion, between the first service portion and the second effect
It is connected equipped with concavity interconnecting piece, when dynamic/static contact is closed, spacing of first service portion apart from push rod acting surface is greater than the second effect
Spacing of the portion apart from push rod acting surface, spacing of second service portion apart from push rod acting surface are greater than the concave point distance of concavity interconnecting piece
The spacing of push rod acting surface.
Further, the lock is mounted in circuit breaker housing by fixing axle, is latched and is equipped with the acting surface of push rod
First service portion, the first service portion are convex arc portion, and convex arc portion lower edge and lock adjusting rod lower edge are tangent.
Further, the acting surface of the push rod and lock is plane, is distributed on push rod acting surface with the position of lock
The center of push rod acting surface.
Further, the push rod is connected with the dynamic iron core of electromagnetic tripping apparatus, and push rod passes through the magnetic yoke of electromagnetic tripping apparatus
And it is outer to be located at magnetic yoke in through hole interior orientation horizontal displacement, push rod with snap fit end is head, push rod is located inside magnetic yoke
It is divided into bar portion, head outer diameter is greater than bar portion outer diameter so as to provide the effect end face of larger area.
Further, lock is connected with connecting rod is mounted in circuit breaker housing by fixing axle, and connecting rod bottom is equipped with moving contact,
Connecting rod is also connected with lock by U-shaped bar with the handle of breaker to manually control divide-shut brake.
The present invention also provides a kind of electro-magnetic circuit breakers, including above-mentioned breaker quickly to push latching device open, and the electromagnetism is de-
Buckle device further includes electromagnetic coil, and electromagnetic coil is arranged in the ambient of magnetic yoke, and dynamic iron core is equipped in electromagnetic coil and is connected
The push rod connect, when the magnitude of current is excessive in electromagnetic coil, push rod is disconnected towards screw-home movement with trigger circuit.
The present invention is equipped with the first service portion cooperated with the push rod of electromagnetic tripping apparatus and the second effect by lock, pushes away
Bar is in promoting stroke, successively with the first service portion of lock, the effect of the second service portion to quickly push lock open and drive dynamic
Contact with static contact to separate, fast cut-off circuit when realizing circuit breaker short circuit, has structurally reasonable, safe and reliable etc. excellent
Point.
Detailed description of the invention
Fig. 1 is existing push rod and snap fit figure.
Fig. 2 is closed state figure of the embodiment of the present invention.
Fig. 3 is perspective view of the embodiment of the present invention.
Fig. 4 is present invention lock schematic diagram.
Fig. 5 is present invention lock perspective view.
Fig. 6 is present invention lock and push rod action principle figure.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Embodiment: please referring to Fig. 1 to Fig. 5, and a kind of breaker quickly pushes latching device open, including electromagnetic tripping apparatus 1 and
Lock 2, electromagnetic tripping apparatus 1 include push rod 11, push rod 11 can horizontal displacement push lock 2 to rotate so that drive moving contact 3 with
It is separated with static contact 4, the lock 2 is respectively equipped with the acting surface matched with push rod 11, wherein the acting surface of lock 2 is equipped with
First service portion 21 and the second service portion 21, first service portion 21 and the second service portion 22 are the arcuations on snap action face
Bulge-structure, as shown in Fig. 2, push rod 11 push lock 2 strokes in successively with lock 2 the first service portion 21, the second service portion
22 effects realize tripping to quickly push lock 2 open.2 effect mask body layout of present invention lock is as follows, latches the first service portion
21 sides are equipped with the second service portion 22, are equipped with concavity interconnecting piece 23 between the first service portion and the second effect and are connected, such as office in Fig. 2
Portion's enlarged drawing, this illustrate be each component under dynamic/static contact 3,4 closed states positional relationship, latch 2 acting surfaces at this time and push away
Bar 11 has a certain interval, and the position on snap action face be specifically laid out it is as follows: the first service portion 21 is acted on apart from push rod 11
The spacing in face is greater than spacing of second service portion 22 apart from 11 acting surface of push rod, and the second service portion 22 is between push rod acting surface
Spacing away from the concave point greater than concavity interconnecting piece 23 apart from push rod acting surface.Present invention lock 2 is mounted on disconnected by fixing axle 51
On road device shell 52, lock 2 swings or rotates around installation axle, and the acting surface of lock 2 and push rod 11 is equipped with the first service portion 21, the
One service portion is convex arc portion, and convex arc portion lower edge and lock 200 lower edge of adjusting rod are tangent.
The push rod of traditional push rod electromagnetic tripping apparatus is usually that diameter is identical, and face area is small, can only be connect with lock
Touching is primary, i.e., lock only has at one with push rod position.And what the present invention innovated is provided with position twice, i.e. push rod and lock
Contact action twice, therefore just have small, the right big design in a left side of push rod of the present invention, the thinking for having broken electromagnetic tripping apparatus is fixed
Formula, and tradition or common push rod cannot cooperate at all with magnetic yoke and dynamic iron core.As shown in Fig. 2, push rod 11 of the invention and lock
The acting surface of button 2 is plane, is distributed in the center of push rod acting surface, the center on 11 acting surface of push rod with the position of lock
Area be with the center of direction push rod shown in Fig. 2 up and down nearby the zone of action.In order to achieve the above object, the present invention increases the work of push rod
With face area, employing mode is as follows: push rod 11 of the present invention is connected with the dynamic iron core 12 of electromagnetic tripping apparatus 1, and push rod 11 passes through
The magnetic yoke 13 of electromagnetic tripping apparatus simultaneously can be located at that magnetic yoke is outer to be with snap fit end in through hole interior orientation horizontal displacement, push rod 11
Head 111, push rod, which is located inside magnetic yoke, is divided into bar portion 112, and head outer diameter is greater than bar portion outer diameter so as to provide larger area
Act on end face.The first end of push rod 11 is provided with a columned spacing head i.e. head 111, the second end and dynamic iron core of push rod 11
Cooperation, the diameter on the head are greater than the diameter of magnetic yoke first through hole, prevent the push rod first end by the of magnetic yoke 13 to play
The effect that one through-hole passes through；An installation axle is formed in the bar portion of the push rod 11 simultaneously, the diameter of the installation axle is less than push rod
Gauge diameter；The outer wall of the installation axle forms clamping part, and clamping part is two and is symmetrical arranged push rod installation axle side, clamping part
With the dynamic iron core of the bar portion positioning electromagnetic tripping apparatus of push rod, deformation chamber is radially provided between two clamping parts of push rod installation axle
It installs and cooperates for dynamic iron core.
Fig. 2, Fig. 3 and Fig. 4, Fig. 5 are please referred to, present invention lock 2 is connected with connecting rod 53 is mounted on open circuit by fixing axle 51
On device shell 52,53 bottom of connecting rod is equipped with moving contact 3, and connecting rod 53 and lock 2 also pass through the handle 55 of U-shaped bar 54 and breaker
It is connected to manually control divide-shut brake.
Such as Fig. 2 and Fig. 3, the present invention also provides a kind of electro-magnetic circuit breakers, including above-mentioned breaker quickly to push latching device open,
The electromagnetic tripping apparatus 1 further includes electromagnetic coil, and electromagnetic coil is arranged in the ambient of magnetic yoke 13, is equipped in electromagnetic coil
Dynamic iron core 12 and the push rod 11 being connected, when the magnitude of current is excessive in electromagnetic coil, push rod 11 is moved towards lock 2 to trigger electricity
Road disconnects.
Please refer to shown in Fig. 6, the first service portion and push rod P position are F1 on snap action face, the second service portion with
Push rod position is F2, when original state, i.e. breaker closing, the F1 point phase separation of push rod and lock, when lock rotates the angle α
Degree, i.e., when circuit breaker tripping makes dynamic and static contact separation, the F2 point of push rod and lock is acted on, at this point, the stroke L2 of push rod is less than
L1, and L1 is substantially existing push rod involved in background technique and snap action stroke, such as Fig. 1 example.Since the present invention locks
Button uses above-mentioned design, reduces push rod stroke, realizes and pushes away lock cutting circuit fastly, and reaches protection purpose.
The present invention is equipped with the first service portion cooperated with the push rod of electromagnetic tripping apparatus and the second effect by lock, pushes away
Bar is in promoting stroke, successively with the first service portion of lock, the effect of the second service portion to quickly push lock open and drive dynamic
Contact with static contact to separate, fast cut-off circuit when realizing circuit breaker short circuit, has structurally reasonable, safe and reliable etc. excellent
Point.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (7)
1. a kind of breaker quickly pushes latching device open, it is characterised in that: including electromagnetic tripping apparatus and lock, electromagnetic trip dress
Set including push rod, push rod energy horizontal displacement pushes lock to rotate and then drives moving contact to separate with static contact, the lock with
Push rod is respectively equipped with the acting surface matched, wherein the acting surface latched is equipped with the first service portion and the second service portion, it is described
First service portion and the second service portion are the arcuation bulge-structures on snap action face, push rod push in lock stroke successively with lock
The first service portion, the effect of the second service portion of button are to quickly push lock realization tripping open.
2. a kind of breaker according to claim 1 quickly pushes latching device open, it is characterised in that: the lock first is made
It is equipped with the second service portion with portion side, concavity interconnecting piece is equipped between the first service portion and the second effect and is connected, dynamic/static contact closes
When conjunction, spacing of spacing of first service portion apart from push rod acting surface less than the second service portion apart from push rod acting surface, second makees
Spacing with portion apart from push rod acting surface is less than spacing of the concave point of concavity interconnecting piece apart from push rod acting surface.
3. a kind of breaker according to claim 1 quickly pushes latching device open, it is characterised in that: the lock passes through
Fixing axle is mounted in circuit breaker housing, and the acting surface of lock and push rod is equipped with the first service portion, and the first service portion is convex arc
Portion, convex arc portion lower edge and lock adjusting rod lower edge are tangent.
4. a kind of breaker according to claim 1 quickly pushes latching device open, it is characterised in that: the push rod and lock
Acting surface be plane, the center of push rod acting surface is distributed on push rod acting surface with the position of lock.
5. a kind of breaker according to claim 4 quickly pushes latching device open, it is characterised in that: the push rod and electromagnetism
The dynamic iron core of trip gear is connected, and push rod passes through the magnetic yoke of electromagnetic tripping apparatus and can push away in through hole interior orientation horizontal displacement
Bar is located at outside magnetic yoke and snap fit end is head, and push rod, which is located inside magnetic yoke, is divided into bar portion, and head outer diameter is greater than bar portion outer diameter
So as to provide the effect end face of larger area.
6. a kind of breaker according to claim 2 quickly pushes latching device open, it is characterised in that: lock is connected with connecting rod
It is mounted in circuit breaker housing by fixing axle, connecting rod bottom is equipped with moving contact, and connecting rod and lock also pass through U-shaped bar and breaker
Handle be connected to manually control divide-shut brake.
7. a kind of electro-magnetic circuit breaker, it is characterised in that: quickly push lock open including breaker described in one of claim 1 to 6
Mechanism, the electromagnetic tripping apparatus further include electromagnetic coil, and electromagnetic coil is arranged in the ambient of magnetic yoke, sets in electromagnetic coil
The push rod for having dynamic iron core and being connected, when the magnitude of current is excessive in electromagnetic coil, push rod is disconnected with trigger circuit towards screw-home movement
It opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100508.2A CN106601563B (en) | 2017-02-23 | 2017-02-23 | A kind of electro-magnetic circuit breaker and quickly push latching device open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100508.2A CN106601563B (en) | 2017-02-23 | 2017-02-23 | A kind of electro-magnetic circuit breaker and quickly push latching device open |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106601563A CN106601563A (en) | 2017-04-26 |
| CN106601563B true CN106601563B (en) | 2019-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100508.2A Active CN106601563B (en) | 2017-02-23 | 2017-02-23 | A kind of electro-magnetic circuit breaker and quickly push latching device open |
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| Country | Link |
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| CN (1) | CN106601563B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4740770A (en) * | 1985-10-31 | 1988-04-26 | Merlin Gerin | Operating mechanism for a low voltage electrical circuit breaker |
| CN101807498A (en) * | 2009-02-12 | 2010-08-18 | 湖北盛佳电器设备有限公司 | Mechanical circuit breaker with short-circuit self-locking mechanism |
| CN204966429U (en) * | 2015-10-09 | 2016-01-13 | 乐清市一锦电子有限公司 | Take auxiliary contact's shunt opening tripping device |
| CN105575740A (en) * | 2016-03-14 | 2016-05-11 | 乐清市沃斯托电气有限公司 | Circuit breaker |
| CN206480578U (en) * | 2017-02-23 | 2017-09-08 | 厦门宏发开关设备有限公司 | A kind of electro-magnetic circuit breaker and quickly push latching device open |
-
2017
- 2017-02-23 CN CN201710100508.2A patent/CN106601563B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4740770A (en) * | 1985-10-31 | 1988-04-26 | Merlin Gerin | Operating mechanism for a low voltage electrical circuit breaker |
| CN101807498A (en) * | 2009-02-12 | 2010-08-18 | 湖北盛佳电器设备有限公司 | Mechanical circuit breaker with short-circuit self-locking mechanism |
| CN204966429U (en) * | 2015-10-09 | 2016-01-13 | 乐清市一锦电子有限公司 | Take auxiliary contact's shunt opening tripping device |
| CN105575740A (en) * | 2016-03-14 | 2016-05-11 | 乐清市沃斯托电气有限公司 | Circuit breaker |
| CN206480578U (en) * | 2017-02-23 | 2017-09-08 | 厦门宏发开关设备有限公司 | A kind of electro-magnetic circuit breaker and quickly push latching device open |
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| Publication number | Publication date |
|---|---|
| CN106601563A (en) | 2017-04-26 |
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