CN106783429A - Full electromagnetism miniature circuit breaker - Google Patents
Full electromagnetism miniature circuit breaker Download PDFInfo
- Publication number
- CN106783429A CN106783429A CN201611068229.4A CN201611068229A CN106783429A CN 106783429 A CN106783429 A CN 106783429A CN 201611068229 A CN201611068229 A CN 201611068229A CN 106783429 A CN106783429 A CN 106783429A
- Authority
- CN
- China
- Prior art keywords
- terminals
- magnetictrip
- connecting rod
- moving contact
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses full electromagnetism miniature circuit breaker,Including handle,Moving contact rack and the first terminals,Second terminals,Magnetictrip,Static contact,Moving contact,Arc-chutes,And five connecting rod operation mechanisms,The handle,Lock,Tripping is mutually fixed by the first center of rotation and three rotating centers with support on main support side,And magnetictrip is mutually fixed in the opposite side of main support,First terminals and the second terminals middle setting have arc-chutes,And arc-chutes top is provided with five connecting rod operation mechanisms and magnetictrip,The arc-chutes top and bottom parallel arrangement has upper run-on tab with lower run-on tab,The quiet conductive plate side sets and is provided with static contact,The moving contact rack front end is provided with moving contact,The coil lower section is provided with oil damper,And coil top is provided with magnetictrip,The full electromagnetism miniature circuit breaker,Structure setting is reasonable,It is fine copper loop that equipment uses electric loop,Non-resistance heat pyrexia element,Energy-conserving and environment-protective,Breaker key components and parts are all fixed on metallic support simultaneously,Without shell positioning,The development of breaker industry can preferably be promoted.
Description
Technical field
The present invention relates to electrophysics technical field of experiment equipment, specially full electromagnetism miniature circuit breaker.
Background technology
The overload time delay of conventional small breaker uses bimetallic tripping mechanism, short-circuit protection to be threaded off using magnet coil, respectively
Parts are positioned by plastic casing, and breaker internal resistance is big, and power consumption is high, breaker overlond trip characteristic by environment temperature change and
Influence is very big, it is impossible to provide circuit and equipment accurate protection, circuit breaker operation mechanism because plastic casing dimensional contraction without
Stabilization.
The content of the invention
It is an object of the invention to provide full electromagnetism miniature circuit breaker, with the breaker for solving to be proposed in above-mentioned background technology
Overlond trip characteristic is influenceed very big by the change of environment temperature, it is impossible to provide accurate protection, breaker to circuit and equipment
The problems such as operating mechanism is unstable because of plastic casing dimensional contraction.
To achieve the above object, the present invention provides following technical scheme：Full electromagnetism miniature circuit breaker, including handle, dynamic touch
Head bracket and the first terminals, the handle, lock, tripping and support are by the first center of rotation and three rotating centers in master
Support is mutually fixed on side, and magnetictrip is mutually fixed in the opposite side of main support, first terminals and the second wiring
End middle setting has arc-chutes, and arc-chutes top is provided with and magnetictrip, and the arc-chutes opening takes off towards with electromagnetism
The axial direction of button device, the first terminals and the 3rd terminals is vertical, and the upper parallel of the arc-chutes is disposed with run-on tab,
And upper run-on tab is connected with coil, the arc-chutes bottom parallel arrangement has lower run-on tab, and lower run-on tab fillet is excessively rolled over
It is connected with quiet conductive plate after curved 90 °, the quiet conductive plate side sets and is provided with static contact, and the moving contact rack front end sets
Moving contact is equipped with, the coil lower section is provided with oil damper, and coil top is provided with magnetictrip.
Preferably, the handle promotes five-bar mechanism motion, and moving contact rack realizes dynamic touching under the promotion of support
Head and the closure of static contact with separate.
Preferably, first center of rotation and three rotating centers are fixed on the centre of main support, and armature and electricity
Magnetic release is fixed on the opposite side of main support, while the second center of rotation is fixed on shell.
Preferably, the two of first terminals axis that is arranged in magnetictrip parallel respectively with the second terminals
Side.
Preferably, it is 50 ° that the moving contact and static contact separate angle during with closure, and moving contact separately begins and static contact
Open away from more than 11mm.
Preferably, five connecting rod operation mechanism includes handle and constitutes the operation of five connecting rods around the motion of the first center of rotation
One connecting rod of mechanism, and there is lock and tripping to promote support that three of five connecting rod operation mechanisms are constituted around three rotating centers
Connecting rod, while also support promotes moving contact rack to constitute the another of five connecting rod operation mechanism around the motion of the second center of rotation
Individual connecting rod.
Preferably, what five connecting rod operation mechanism was parallel with magnetictrip is close to the first terminals and the second terminals
Arrangement.
Compared with prior art, the beneficial effects of the invention are as follows：The full electromagnetism miniature circuit breaker, structure setting rationally, is adopted
Run with rated current 125A, miniature circuit breaker overlond trip and short circuit dropout integration are threaded off using hydraulic electromagnetic, by changing
The parameter of type transformer coil and oil damper controls the acting characteristic of breaker, according to user accurate formulation can be needed suitably breaking
Device provides accurate protection, while circuit breaker tripping performance is decided by flow through coil current size, is influenceed small by variation of ambient temperature,
Do not consider to drop appearance because of the rising of environment temperature yet, admittedly can under extremely cold extreme thermal environment still normal work, equipment is using electric
Loop is fine copper loop, and non-resistance heat pyrexia element, internal resistance is low, low in energy consumption, small, energy-conserving and environment-protective of generating heat, while breaker is crucial
Parts are all fixed on metallic support, without shell positioning, make construction of switch more more stable and stronger, make product stability and can
Greatly improved by property, breaker dynamic/static contact is opened away from more than 11mm, can be used as safety-type disconnecting switch, can preferably promote open circuit
The development of device industry.
Brief description of the drawings
Fig. 1 is off schematic top plan view for structure dynamic/static contact of the present invention；
Fig. 2 is that structure dynamic/static contact of the present invention is in closure state schematic top plan view.
In figure：1st, handle, the 2, first center of rotation, 3, lock, 4, tripping, 5, support, the 6, second center of rotation, 7, dynamic touch
Head bracket, the 8, first terminals, 9, quiet conductive plate, 10, static contact, 11, moving contact, 12, lower run-on tab, 13, arc-chutes, 14,
Three rotating centers, 15, upper run-on tab, 16, oil damper, the 17, second terminals, 18, coil, 19, magnetictrip, 20,
Main support, 21, armature, 22, five connecting rod operation mechanisms.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：Full electromagnetism miniature circuit breaker, including handle 1, moving contact
The terminals 8 of support 7 and first, handle 1, lock 3, tripping 4 pass through the first center of rotation 2 and three rotating centers 14 with support 5
Mutually fixed on the side of main support 20, the first center of rotation 2 and three rotating centers 14 are fixed on the centre of main support 20, and
Armature 21 and magnetictrip 19 are fixed on the opposite side of main support 20, while the second center of rotation 6 is fixed on shell, and
Magnetictrip 19 is mutually fixed in the opposite side of main support 20, and handle 1 promotes five-bar mechanism 22 to move, and moving contact rack 7
The closure of moving contact 11 and static contact 10 is realized under the promotion of support 5 and is separated, in the first terminals 8 and the second terminals 17
Between be provided with arc-chutes 13, and the top of arc-chutes 13 is provided with 22 and magnetictrip 19, and five connecting rod operation mechanisms 22 are included
Handle 1 constitutes a connecting rod of five connecting rod operation mechanisms 22 around the motion of the first center of rotation 2, and has lock 3 and tripping 4 to promote
Support 5 constitutes three connecting rods of five connecting rod operation mechanisms 22 around three rotating centers 14, while also support 5 promotes moving contact
Support 7 constitutes another connecting rod of five connecting rod operation mechanism 22, five connecting rod operation mechanisms 22 around the motion of the second center of rotation 6
Be close to first terminals 8 parallel with magnetictrip 19 arrange with the second terminals 17, the opening of arc-chutes 13 towards and electromagnetism
The axial direction of electrical apparatus release 19, the first terminals 8 and the 3rd terminals 17 is vertical, 17 points of the first terminals 8 and the second terminals
The both sides of the not parallel axis for being arranged in magnetictrip 19, the upper parallel of arc-chutes 13 is disposed with run-on tab 15, and
Upper run-on tab 15 is connected with coil 18, and the bottom of arc-chutes 13 parallel arrangement has lower run-on tab 12, and the fillet mistake of lower run-on tab 12
It is connected with quiet conductive plate 9 after 90 ° of bending of degree, the side of quiet conductive plate 9 sets and is provided with static contact 10, the front end of moving contact rack 7
Moving contact 11 is provided with, it is 50 ° that moving contact 11 and static contact 10 separate angle during with closure, and moving contact 11 separately begins and stationary contact
First 10 open away from more than 11mm, can be used as safety-type disconnecting switch, is provided with oil damper 16, and coil 18 below coil 18
Side is provided with magnetictrip 19, by the acting characteristic for changing the parameter of coil 18 and oil damper 16 to control breaker,
The suitable breaker of accurate formulation can be needed to provide accurate protection according to user, while the performance of magnetictrip 19 is decided by flow through
The size of current of coil 18, is influenceed small by variation of ambient temperature.
Operation principle：When using the full electromagnetism miniature circuit breaker, handle 1 promotes five-bar mechanism 22 to move first, moves
Contact supporting 7 is realized the closure of moving contact 11 and static contact 10 under the promotion of support 5 and is separated, separates with angle when closing about
It it is 50 degree, moving contact 11 separately begins with static contact 10 when opening away from more than 11mm. 11 off-states of moving contact and magnetictrip
19 axis direction angles are about 50 degree, and the second center of rotation 6 is arranged in the top of static contact 10 and on an axis left side for static contact 10
The right side, quiet conductive plate 9 arrives movable contact to electric arc to stationary contact 10 to movable contact 11 after the short circuit of such moving contact 11 separately produces electric arc
Support 7 forms an almost closed circle loop, forms effective arc blow-out circuit, is conducive to the quick extinguishing of electric arc, and electromagnetism takes off
Button device 19 controls electromagnetic force to be acted come adhesive armature 21 by size of current, so that armature 21 promotes the action of tripping mechanism, electricity
Magnetic release 19 realizes that overload and short circuit are threaded off by changing the parameter designing of oil damper 16 and coil 18, here it is this is complete
The whole process of electromagnetism miniature circuit breaker work.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. full electromagnetism miniature circuit breaker, including handle (1), moving contact rack (7) and the first terminals (8), the second terminals
(17), magnetictrip (19), static contact (10), moving contact (11), arc-chutes (13), and five connecting rod operation mechanisms (22), its
It is characterised by：During the handle (1), lock (3), tripping (4) are rotated with support (5) by the first center of rotation (2) and the 3rd
The heart (14) is mutually fixed on main support (20) side, and magnetictrip (19) is mutually fixed in the opposite side of main support (20), institute
State the first terminals (8) has arc-chutes (13) with the second terminals (17) middle setting, and arc-chutes (13) top is provided with five
Connecting rod operation mechanism (22) and magnetictrip (19), arc-chutes (13) opening direction and magnetictrip (19), first
The axial direction of terminals (8) and the 3rd terminals (17) is vertical, and the upper parallel of the arc-chutes (13) is disposed with striking
Plate (15), and upper run-on tab (15) is connected with the second terminals (17), arc-chutes (13) the bottom parallel arrangement is drawn under having
It is connected with quiet conductive plate (9) after arc plate (12), and excessive 90 ° of the bending of lower run-on tab (12) fillet, quiet conductive plate (9) side
Face sets and is provided with static contact (10), and moving contact rack (7) front end is provided with moving contact (11), coil (18) lower section
Oil damper (16) is provided with, and coil (18) top is provided with magnetictrip (19).
2. full electromagnetism miniature circuit breaker according to claim 1, it is characterised in that：The handle (1) promotes five connecting rod machines
Structure (22) is moved, and moving contact rack (7) realized under the promotion of support (5) closure of moving contact (11) and static contact (10) with
Separate.
3. full electromagnetism miniature circuit breaker according to claim 1, it is characterised in that：First center of rotation (2) and
Three rotating centers (14) are fixed on the centre of main support (20), and armature (21) and magnetictrip (19) are fixed on main branch
The opposite side of frame (20), while the second center of rotation (6) is fixed on shell.
4. full electromagnetism miniature circuit breaker according to claim 1, it is characterised in that：First terminals (8) and second
The both sides of terminals (17) axis for being arranged in magnetictrip (19) parallel respectively.
5. full electromagnetism miniature circuit breaker according to claim 1, it is characterised in that：The moving contact (11) and static contact
(10) it is 50 ° to separate angle during with closure, and moving contact (11) separately begins and static contact (10) are opened away from more than 11mm.
6. full electromagnetism miniature circuit breaker according to claim 1, it is characterised in that：Five connecting rod operation mechanism (22) bag
Include handle (1) and constitute a connecting rod of five connecting rod operation mechanisms (22) around the first center of rotation (2) motion, and have lock
(3) and tripping (4) promote support (5) around three rotating centers (14) constitute five connecting rod operation mechanisms (22) three connecting rods,
Also support (5) promotes moving contact rack (7) to constitute five connecting rod operation mechanism around the second center of rotation (6) motion simultaneously
(22) another connecting rod.
7. full electromagnetism miniature circuit breaker according to claim 1, it is characterised in that：Five connecting rod operation mechanism (22) with
Parallel the first terminals (8) of being close to of magnetictrip (19) are arranged with the second terminals (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068229.4A CN106783429A (en) | 2016-11-29 | 2016-11-29 | Full electromagnetism miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068229.4A CN106783429A (en) | 2016-11-29 | 2016-11-29 | Full electromagnetism miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106783429A true CN106783429A (en) | 2017-05-31 |
Family
ID=58905027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611068229.4A Pending CN106783429A (en) | 2016-11-29 | 2016-11-29 | Full electromagnetism miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106783429A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427511A (en) * | 2017-08-22 | 2019-03-05 | 浙江正泰电器股份有限公司 | Breaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201918335U (en) * | 2011-03-08 | 2011-08-03 | 浙江兴达电器科技有限公司 | Hydraulic electromagnetic circuit breaker |
| CN103219204A (en) * | 2012-01-18 | 2013-07-24 | 陈洪元 | Current-limiting type liquid-magnet type miniature circuit breaker |
| CN203165829U (en) * | 2013-04-19 | 2013-08-28 | 浙江百事宝电器有限公司 | Hydraulic electromagnetic breaker |
| CN205028873U (en) * | 2015-09-25 | 2016-02-10 | 浙江上图电气科技有限公司 | Magnetic tripping device for moulded case circuit breaker |
| CN206541782U (en) * | 2016-11-29 | 2017-10-03 | 贵州新纳电器有限公司 | Full electromagnetism miniature circuit breaker |
-
2016
- 2016-11-29 CN CN201611068229.4A patent/CN106783429A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201918335U (en) * | 2011-03-08 | 2011-08-03 | 浙江兴达电器科技有限公司 | Hydraulic electromagnetic circuit breaker |
| CN103219204A (en) * | 2012-01-18 | 2013-07-24 | 陈洪元 | Current-limiting type liquid-magnet type miniature circuit breaker |
| CN203165829U (en) * | 2013-04-19 | 2013-08-28 | 浙江百事宝电器有限公司 | Hydraulic electromagnetic breaker |
| CN205028873U (en) * | 2015-09-25 | 2016-02-10 | 浙江上图电气科技有限公司 | Magnetic tripping device for moulded case circuit breaker |
| CN206541782U (en) * | 2016-11-29 | 2017-10-03 | 贵州新纳电器有限公司 | Full electromagnetism miniature circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427511A (en) * | 2017-08-22 | 2019-03-05 | 浙江正泰电器股份有限公司 | Breaker |
| CN109427511B (en) * | 2017-08-22 | 2024-03-26 | 浙江正泰电器股份有限公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171025 Address after: Hongqiao Zhen Wu Jia Qiao Cun, Yueqing City, Zhejiang province 325608 Applicant after: Wenzhou New Electric Appliance Co., Ltd. Address before: 550000 Guizhou province Guiyang City Yunyan District Zhai Ji farmers new village Applicant before: Guizhou Sinna Electric Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
|
| WD01 | Invention patent application deemed withdrawn after publication |