CN206541782U - Full electromagnetism miniature circuit breaker - Google Patents
Full electromagnetism miniature circuit breaker Download PDFInfo
- Publication number
- CN206541782U CN206541782U CN201621288484.5U CN201621288484U CN206541782U CN 206541782 U CN206541782 U CN 206541782U CN 201621288484 U CN201621288484 U CN 201621288484U CN 206541782 U CN206541782 U CN 206541782U
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- Prior art keywords
- terminals
- magnetictrip
- connecting rod
- moving contact
- arc
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Abstract
The utility model 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 with support by the first center of rotation and three rotating centers on main support side, and magnetictrip is mutually fixed in the opposite side of main support, arc-chutes are provided with the middle of first terminals and the second terminals, and five connecting rod operation mechanisms and magnetictrip are installed above arc-chutes, the arc-chutes top and bottom parallel arrangement has upper run-on tab and lower run-on tab, the quiet conductive plate side, which is set, is provided with static contact, the moving contact rack front end is provided with moving contact, oil damper is provided with below the coil, and it is provided with magnetictrip above coil, the full electromagnetism miniature circuit breaker, structure setting is reasonable, equipment uses electric loop for fine copper 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 utility model is related to electrophysics technical field of experiment equipment, specially full electromagnetism miniature circuit breaker.
Background technology
The overload delay of conventional small breaker uses bimetallic tripping mechanism, and short-circuit protection is 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
It is stable.
Utility model content
The purpose of this utility model is to provide full electromagnetism miniature circuit breaker, disconnected with solve to propose in above-mentioned background technology
Road device overlond trip characteristic is influenceed very big by the change of environment temperature, it is impossible to is provided accurate protection to circuit and equipment, is broken
The problems such as road device operating mechanism is unstable because of plastic casing dimensional contraction.
To achieve the above object, the utility model provides following technical scheme：Full electromagnetism miniature circuit breaker, including handle,
Moving contact rack, the first terminals and coil, the handle, lock, tripping and support pass through the first center of rotation and the 3rd turn
Dynamic center is mutually fixed on main support side, and magnetictrip is mutually fixed in the opposite side of main support, first terminals
It is provided with and magnetictrip with being provided with the middle of the second terminals above arc-chutes, and arc-chutes, the arc-chutes opening court
To, the upper parallel arrangement of the arc-chutes vertical with the axial direction of magnetictrip, the first terminals and the 3rd terminals
There is upper 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
It is connected after 90 ° of the excessive bending of fillet with quiet conductive plate, the quiet conductive plate side, which is set, is provided with static contact, the moving contact
Support front end, which is provided with to be provided with above oil damper, and coil below moving contact, the coil, is provided with magnetictrip.
It is preferred that, the handle promotes five-bar mechanism motion, and moving contact rack realizes dynamic touch under the promotion of support
Head is with the closure of static contact with separating.
It is preferred that, 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.
It is preferred that, first terminals and the second terminals respectively the parallel axis for being arranged in magnetictrip two
Side.
It is preferred that, it is 50 ° that the moving contact and static contact, which separate angle during with closure, and moving contact separately begins and static contact
Open away from more than 11mm.
It is preferred that, 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 to surround three that three rotating centers constitute five connecting rod operation mechanisms
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.
It is preferred that, five connecting rod operation mechanism it is parallel with magnetictrip be close to the first terminals and the second terminals
Arrangement.
Compared with prior art, the beneficial effects of the utility model are：The full electromagnetism miniature circuit breaker, structure setting is closed
Reason, is run using rated current 125A, and miniature circuit breaker overlond trip and short circuit dropout integration are threaded off using hydraulic electromagnetic, are led to
Cross and change the parameter of coil and oil damper to control the acting characteristic of breaker, according to user accurate formulation can be needed suitable
Breaker accurate protection is provided, while circuit breaker tripping performance is decided by flow through coil current size, by variation of ambient temperature
Influence is small, does not also consider because appearance drops in the rise of environment temperature, admittedly can under extremely cold extreme thermal environment still normal work, equipment adopts
It is fine copper loop with electric loop, non-resistance heat pyrexia element, internal resistance is low, low in energy consumption, small, energy-conserving and environment-protective of generating heat, while breaking
Device key components and parts are all fixed on metallic support, without shell positioning, are made construction of switch more more stable and stronger, are made product stable
Property and reliability are greatly improved, and breaker dynamic/static contact is opened away from more than 11mm, can be used as safety-type disconnecting switch, can preferably be promoted
Enter the development of breaker industry.
Brief description of the drawings
Fig. 1 is that the utility model structure dynamic/static contact is off schematic top plan view；
Fig. 2 is that the utility model structure dynamic/static contact 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.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：Full electromagnetism miniature circuit breaker, including it is handle 1, dynamic
Contact supporting 7, the first terminals 8 and coil 18, handle 1, lock 3, tripping 4 pass through the first center of rotation 2 and the 3rd with support 5
Center of rotation 14 is mutually fixed on the side of main support 20, and the first center of rotation 2 and three rotating centers 14 are fixed on main support
20 centre, 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 realizes the closure of moving contact 11 and static contact 10 with separating under the promotion of support 5, the first terminals 8 and the
Arc-chutes 13 are provided with the middle of two terminals 17, and the top of arc-chutes 13 is provided with 22 and magnetictrip 19, the operation of five connecting rods
Mechanism 22 includes handle 1 and a connecting rod for constituting five connecting rod operation mechanisms 22 is moved around the first center of rotation 2, and has lock
3 and tripping 4 promote support 5 around three rotating centers 14 constitute five connecting rod operation mechanisms 22 three connecting rods, while also have branch
Frame 5 promotes moving contact rack 7 to move another connecting rod for constituting five connecting rod operation mechanism 22, five around the second center of rotation 6
Be close to first terminals 8 parallel with magnetictrip 19 of connecting rod operation mechanism 22 arrange with the second terminals 17, arc-chutes 13
Opening towards vertical with the axial direction of magnetictrip 19, the first terminals 8 and the 3rd terminals 17, the first terminals 8 and
The both sides of the second terminals 17 parallel axis for being arranged in magnetictrip 19 respectively, the upper parallel of arc-chutes 13 is disposed with
Upper run-on tab 15, and upper run-on tab 15 is connected with coil 18, the bottom of arc-chutes 13 parallel arrangement has a lower run-on tab 12, and under draw
It is connected after 90 ° of the excessive bending of the fillet of arc plate 12 with quiet conductive plate 9, quiet conductive plate 9 sets be provided with static contact 10 sideways, moves
The front end of contact supporting 7 is provided with moving contact 11, and it is 50 ° that moving contact 11 and static contact 10, which separate angle during with closure, and moving contact
11 separated beginnings were opened away from more than 11mm, can be used as safety-type disconnecting switch with static contact 10, and the lower section of coil 18 is provided with oil damping
Device 16, and the top of coil 18 is provided with magnetictrip 19, controls to break by changing the parameter of coil 18 and oil damper 16
The acting characteristic of road device, can need the suitable breaker of accurate formulation to provide accurate protection, while magnetictrip according to user
19 performances are decided by flow through the size of current of coil 18, are 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 realizes the closure of moving contact 11 and static contact 10 under the promotion of support 5 and separates, and angle is about when separating and closing
For 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 left in the axis of static contact 10
The right side, such short circuit of moving contact 11 separately produces quiet conductive plate 9 after electric arc and arrives movable contact to electric arc to movable contact 11 to stationary contact 10
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.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. full electromagnetism miniature circuit breaker, including handle (1), moving contact rack (7), the first terminals (8) and coil (18), second
Terminals (17), magnetictrip (19), static contact (10), moving contact (11), arc-chutes (13), and five connecting rod operation mechanisms
(22), it is characterised in that：The handle (1), lock (3), tripping (4) pass through the first center of rotation (2) and the 3rd with support (5)
Center of rotation (14) is mutually fixed on main support (20) side, and magnetictrip (19) is mutually solid in the opposite side of main support (20)
Fixed, first terminals (8) are installed with being provided with the middle of the second terminals (17) above arc-chutes (13), and arc-chutes (13)
Have five connecting rod operation mechanisms (22) and magnetictrip (19), arc-chutes (13) opening towards with magnetictrip (19),
The axial direction of first terminals (8) and the 3rd terminals (17) is vertical, and the upper parallel of the arc-chutes (13) is disposed with
Run-on tab (15), and upper run-on tab (15) is connected with the second terminals (17), arc-chutes (13) the bottom parallel arrangement has
It is connected after lower run-on tab (12), and excessive 90 ° of the bending of lower run-on tab (12) fillet with quiet conductive plate (9), the quiet conductive plate
(9) side sets and is provided with static contact (10), and moving contact rack (7) front end is provided with moving contact (11), the coil
(18) lower section is provided with above oil damper (16), and coil (18) and 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) the parallel axis for being arranged in magnetictrip (19) 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 a connecting rod for constituting five connecting rod operation mechanisms (22) is moved around the first center of rotation (2), 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 |
|---|---|---|---|
| CN201621288484.5U CN206541782U (en) | 2016-11-29 | 2016-11-29 | Full electromagnetism miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621288484.5U CN206541782U (en) | 2016-11-29 | 2016-11-29 | Full electromagnetism miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541782U true CN206541782U (en) | 2017-10-03 |
Family
ID=59938427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621288484.5U Expired - Fee Related CN206541782U (en) | 2016-11-29 | 2016-11-29 | Full electromagnetism miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783429A (en) * | 2016-11-29 | 2017-05-31 | 贵州新纳电器有限公司 | Full electromagnetism miniature circuit breaker |
-
2016
- 2016-11-29 CN CN201621288484.5U patent/CN206541782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783429A (en) * | 2016-11-29 | 2017-05-31 | 贵州新纳电器有限公司 | Full electromagnetism miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171102 Address after: Hongqiao Zhen Wu Jia Qiao Cun, Yueqing City, Zhejiang province 325608 Patentee after: Wenzhou New Electric Appliance Co., Ltd. Address before: 550000 Guizhou province Guiyang City Yunyan District Zhai Ji farmers new village Patentee before: Guizhou Sinna Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20191129 |