CN110223893A - A kind of simple wink of miniature circuit breaker is dynamic and quick disjunction structure - Google Patents
A kind of simple wink of miniature circuit breaker is dynamic and quick disjunction structure Download PDFInfo
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- CN110223893A CN110223893A CN201910676262.2A CN201910676262A CN110223893A CN 110223893 A CN110223893 A CN 110223893A CN 201910676262 A CN201910676262 A CN 201910676262A CN 110223893 A CN110223893 A CN 110223893A
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- China
- Prior art keywords
- mandril
- contact
- lock
- magnetic yoke
- iron core
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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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
It include handle, U-shaped bar, tripping, connecting shaft, moving contact, main extension spring, contact support, lock, static contact, magnetic yoke, mandril, base construction, face cover structure, coil, dynamic iron core and instantaneous spring the invention discloses a kind of simple wink of miniature circuit breaker is dynamic and quick disjunction structure；The dynamic iron core overcomes the counter-force of instantaneous spring to act under magneticaction, and mandril is driven to move to lock direction, and mandril is in contact with lock during the motion, drives lock tripping；Mandril drives lock to unlock, and subsequent reforwarding is dynamic, and then drive lock is in contact with contact support, to realize moving contact and static contact disjunction.Using structure of the present invention; it is simple with structure; it operates and easy to assembly; it not only can effectively promote the stability of product instantaneous protection, moreover it is possible to reduce Material Cost, pass through quick disjunction; the breaking capacity of product can be promoted; to improve the competitiveness of product in market, production cost is low, has a wide range of applications place.
Description
Technical field
The present invention relates to breaker technical fields, and in particular to a kind of simple wink of miniature circuit breaker is dynamic and quick disjunction knot
Structure.
Background technique
Miniature circuit breaker has connection, disjunction normal circuit and has overload protection and short-circuit protection function, therefore, low
It is widely applied in press-fitting electric system.
When short circuit occurs for distribution system, dynamic iron core acts rapidly under the action of coil and mandril top lock-off is driven to buckle,
To realize the rapid-releasing of breaker.As electric system is grown rapidly, miniature circuit breaker use scope is wide, dosage is more, is
It effectively promotes product stability and reduces Material Cost and need to existing breaker to promote the competitiveness of product
Structure improves, and to meet in the big short circuit current of disjunction, quick disjunction is may be implemented in moving contact, so as to improve product
Breaking capacity, while also promoted miniature circuit breaker electrical endurance.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to background technique, it is simple to provide a kind of structure, behaviour
Make and easy to assembly, not only can effectively promote product instantaneous protection stability, moreover it is possible to Material Cost is reduced, by quick disjunction,
The breaking capacity of product is promoted, so that the competitiveness of product in market is improved, the simple wink of specifically a kind of miniature circuit breaker
Dynamic and quick disjunction structure.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows: a kind of simple wink of miniature circuit breaker is dynamic
It include handle, U-shaped bar, tripping, connecting shaft, moving contact, main extension spring, contact support, lock, stationary contact with quick disjunction structure
Head, magnetic yoke, mandril, base construction, face cover structure, coil, dynamic iron core and instantaneous spring；The handle passes through U-shaped bar and tripping
Connection, the moving contact are connect by connecting shaft with tripping, and tension spring corresponding with main extension spring is additionally provided on the moving contact
The one end in hole, the main extension spring is connected by tension spring hole with moving contact；Contact support is fixed on moving contact, and with institute
The position for stating lock is corresponding；The magnetic yoke is the groove-like structure with boss, and the mandril right end passes through magnetic yoke and lock
It is connected, the other end is clamped by base construction and face cover structure；The dynamic iron core is fixed on mandril one end, the instantaneous spring
It is set in mandril from the mandril other end；The mounting coil is on the mandril in magnetic yoke, and one end is welded on terminals, separately
One end is welded on static contact；The static contact is mutually riveted with magnetic yoke, and corresponding with the position of the moving contact；In short-circuit electricity
When stream passes through breaker, in the magnetic field that generates by the coil, electromagnetic attraction, the dynamic iron are generated between dynamic iron core and magnetic yoke
Core overcomes the counter-force of instantaneous spring to act under magneticaction, drives mandril to move to lock direction, the mandril is being moved through
Cheng Zhongyu lock is in contact, and drives lock tripping；It is dynamic that the mandril drives lock to unlock subsequent reforwarding, then drive lock with
Contact support is in contact, to realize moving contact and static contact disjunction.
Further, a kind of simple wink of miniature circuit breaker of the present invention is dynamic and quick disjunction structure, wherein in institute
The left and right both ends for stating mandril are respectively arranged with buckle structure, and the dynamic iron core is fixed in mandril by the buckle structure of left end,
The mandril limits it in magnetic yoke toward left direction movement by the buckle structure of right end；The instantaneous spring left end and the top
The buckle structure of left end is in contact connection in bar, and right end is in contact with the medial surface of the magnetic yoke and connect.
Further, a kind of simple wink of miniature circuit breaker of the present invention is dynamic and quick disjunction structure, wherein in institute
The right end for stating mandril is equipped with pyramidal structure, and the lock is U-shaped groove structure, is equipped with and the pyramidal structure phase in the lock
Matched lock face, the mandril pass through pyramidal structure during the motion and are in contact with lock face, drive the lock tripping
After unlock, mandril continues movement of turning right by the lock of U-shaped groove structure, then drives lock to be in contact with contact support, realizes
Moving contact and the quick disjunction of static contact.
Using a kind of simple wink of miniature circuit breaker of the present invention is dynamic and quick disjunction structure, with prior art phase
Than, the beneficial effect is that: since the left and right both ends in the mandril are respectively arranged with buckle structure, pass through the buckle of left end
Structure can limit dynamic iron core movement, and can limit mandril by magnetic yoke by the buckle structure of right end and move toward left direction,
In addition, the left end due to instantaneous spring is limited by buckle structure in mandril, right end is limited by magnetic yoke, under magneticaction, institute
Stating dynamic iron core overcomes the counter-force of instantaneous spring to act on, and mandril is driven to move to lock direction, lock tripping is realized, to reach fast
The purpose of fast disjunction；In addition, being connected since the mandril right end passes through magnetic yoke with lock, the other end passes through base construction and face
The clamping of lid structure, the mounting coil is on the mandril in magnetic yoke, and one end is welded on terminals, and the other end is welded on stationary contact
On head；And the magnetic yoke is set as the groove-like structure with boss, it matches it with dynamic iron core, passes through changing for above structure
Into first is that cancelling original coil rack, second is that eliminating the use of static iron core.While improving stability, can also it reduce
Material Cost.
In conclusion having structure simple using structure of the present invention, operate and easy to assembly, it not only can be effective
Promote the stability of product instantaneous protection, moreover it is possible to reduce Material Cost, by quick disjunction, the disjunction energy of product can be promoted
Power, to improve the competitiveness of product in market, production cost is low, has a wide range of applications place.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is whole the schematic diagram of the section structure of the invention；
Fig. 3 be in the present invention in mandril motion process with lock contact when status diagram；
Fig. 4 is the status diagram driven in mandril motion process after lock unlock in the present invention；
Fig. 5 is instantaneous release entirety the schematic diagram of the section structure in the present invention；
Fig. 6 is the structural schematic diagram of heretofore described mandril；
Fig. 7 is the structural schematic diagram of magnetic yoke in the present invention；
Fig. 8 is the structural schematic diagram latched in the present invention；
Fig. 9 is mandril and structural schematic diagram when lock connection status in the present invention.
It is as shown in the figure: 1- handle, 2-U shape bar, 3- tripping, 4- connecting shaft, 5- moving contact, 6- main extension spring, 7- contact support,
8- lock, 81- latch face, 9- static contact, 10- magnetic yoke, 11- mandril, 111- pyramidal structure, 12- base construction, 13- cover knot
Structure, 14- coil, 15- dynamic iron core, the instantaneous spring of 16-.
Specific embodiment
To further illustrate design of the invention, a specific embodiment of the invention is made below with reference to attached drawing further
It is described in detail:
As shown in Figures 1 to 9, a kind of simple wink of miniature circuit breaker of the present invention is dynamic and quick disjunction structure, includes
Handle 1, U-shaped bar 2, tripping 3, connecting shaft 4, moving contact 5, main extension spring 6, contact support 7, lock 8, static contact 9, magnetic yoke 10, top
Bar 11, base construction 12, face cover structure 13, coil 14, dynamic iron core 15 and instantaneous spring 16；The handle 1 by U-shaped bar 2 with
Tripping 3 connects, and the moving contact 5 is connect by connecting shaft 4 with tripping 3, is additionally provided on the moving contact 5 and 6 phase of main extension spring
The one end in corresponding tension spring hole, the main extension spring 6 is connected by tension spring hole with moving contact 5；The contact supports that 7 are fixed on
On moving contact 5, and it is corresponding with the position of the lock 8；The magnetic yoke 10 is the groove-like structure with boss, the mandril
11 right ends pass through magnetic yoke 10 and are connected with lock 8, and the other end is clamped by base construction 12 and face cover structure 13；The dynamic iron core
15 are fixed on 11 one end of mandril, and the instantaneous spring 16 is set in mandril 11 from 11 other end of mandril；The coil 14 is set with
On the mandril 11 in magnetic yoke 10, one end is welded on terminals, and the other end is welded on static contact 9；The static contact 9 with
The riveting of 10 phase of magnetic yoke, and it is corresponding with the position of the moving contact 5, by static contact 9, magnetic yoke 10, mandril 11, coil 14, move
Iron core 15 and instantaneous spring 16 constitute instantaneous release, then by the instantaneous release constituted finally by 12 He of base construction
Face cover structure 13 is attached fixed.When short circuit current passes through breaker, in the magnetic field by the coil 14 generation,
Electromagnetic attraction is generated between dynamic iron core 15 and magnetic yoke 10, the dynamic iron core 15 overcomes the anti-of instantaneous spring 16 under magneticaction
Power effect drives mandril 11 to move to 8 directions of lock, and the mandril 11 is in contact with lock 8 during the motion, drives lock
8 tripping of button；The mandril 11 drives the 8 subsequent reforwarding of unlock of lock dynamic, and lock 8 is then driven to support that 7 are in contact with contact, thus
Realize moving contact 5 and 9 disjunction of static contact.
Further, a kind of simple wink of miniature circuit breaker of the present invention is dynamic and quick disjunction structure, wherein in institute
The left and right both ends for stating mandril 11 are respectively arranged with buckle structure, and the dynamic iron core 15 is fixed on top by the buckle structure of left end
In bar 11, the mandril 11 limits it in magnetic yoke 10 toward left direction movement by the buckle structure of right end；The instantaneous spring
16 left ends are in contact with the buckle structure of left end in the mandril 11 and connect, and right end is in contact with the medial surface of the magnetic yoke 10
Connection.
Further, a kind of simple wink of miniature circuit breaker of the present invention is dynamic and quick disjunction structure, wherein in institute
The right end for stating mandril 11 is equipped with pyramidal structure 111, and the lock 8 is U-shaped groove structure, is equipped with and the cone in the lock 8
The lock face 81 that shape structure 111 matches, the mandril 11 are connected by pyramidal structure 111 with lock face 81 during the motion
Touching, after driving the 8 tripping unlock of lock, mandril 11 continues movement of turning right by the lock 8 of U-shaped groove structure, then drives lock
Button 8 supports that 7 are in contact with contact, realizes moving contact 5 and the quick disjunction of static contact 9.
As depicted in figs. 1 and 2, using the simple wink of miniature circuit breaker of the present invention is dynamic and quick disjunction structure,
Working principle are as follows: when short circuit current passes through breaker, in the magnetic field that coil 14 generates, 10 inside of dynamic iron core 15 and magnetic yoke
Electromagnetic attraction is generated between boss, dynamic iron core 15 will overcome the counter-force of instantaneous spring 16 under magneticaction, drive mandril 11 to
Latch the movement of 8 directions；The pyramidal structure 111 of its front end during the motion of mandril 11 will be in contact with lock face 81, thus
Lock 8 is driven, it is made to thread off from operating mechanism；Mandril 11 continues movement of turning right after driving 8 unlock of lock, then drives lock 8
Support that 7 are in contact with contact, so that 5 breaking speed of moving contact is substantially improved, to realize quick breaking function.
In addition, passing through the buckle structure of left end due to being respectively arranged with buckle structure at the left and right both ends of the mandril 11
The movement of dynamic iron core 15 can be limited, and mandril 11 can be limited by magnetic yoke 10 by the buckle structure of right end and transported toward left direction
Dynamic, in addition, the left end due to instantaneous spring 16 is limited by buckle structure in mandril 11, right end is limited by magnetic yoke 10, in magnetic force
Under effect, the dynamic iron core 15 overcomes the counter-force of instantaneous spring 16 to act on, and drives mandril 11 to move to 8 directions of lock, realizes lock
8 tripping of button, to achieve the purpose that quick disjunction；In addition, being connected since 11 right end of mandril passes through magnetic yoke 10 with lock 8
It connecing, the other end is clamped by base construction 12 and face cover structure 13, and the coil 14 is sleeved on the mandril 11 in magnetic yoke 10,
One end is welded on terminals, and the other end is welded on static contact 9；And the magnetic yoke 10 is set as the groove-like knot with boss
Structure matches it with dynamic iron core 15, by the improvement of above structure, first is that cancelling original coil rack, second is that eliminating
The use of static iron core.While improving stability, Material Cost can be also reduced.
As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the processing of part needed for the present invention, manufacturing process are simple, easy for installation.
In conclusion having structure simple using structure of the present invention, operate and easy to assembly, it not only can be effective
Promote the stability of product instantaneous protection, moreover it is possible to reduce Material Cost, by quick disjunction, the disjunction energy of product can be promoted
Power, to improve the competitiveness of product in market, production cost is low, has a wide range of applications place.
The above description is only a preferred embodiment of the present invention, is not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of simple wink of miniature circuit breaker moves and quick disjunction structure, it is characterised in that: include handle (1), U-shaped bar
(2), tripping (3), connecting shaft (4), moving contact (5), main extension spring (6), contact support (7), lock (8), static contact (9), magnetic yoke
(10), mandril (11), base construction (12), face cover structure (13), coil (14), dynamic iron core (15) and instantaneous spring (16)；Institute
Handle (1) to be stated to connect by U-shaped bar (2) with tripping (3), the moving contact (5) is connect by connecting shaft (4) with tripping (3),
Tension spring corresponding with main extension spring (6) hole is additionally provided on the moving contact (5), one end of the main extension spring (6) passes through tension spring hole
It is connected with moving contact (5)；The contact supports (7) to be fixed on moving contact (5), and opposite with the lock position of (8)
It answers；The magnetic yoke (10) is the groove-like structure with boss, and mandril (11) right end passes through magnetic yoke (10) and lock (8) phase
Connection, the other end are clamped by base construction (12) and face cover structure (13)；The dynamic iron core (15) is fixed on mandril (11) one
End, the instantaneous spring (16) are set in mandril (11) from mandril (11) other end；The coil (14) is sleeved on magnetic yoke
(10) on the mandril (11) in, one end is welded on terminals, and the other end is welded on static contact (9)；The static contact (9)
It is mutually riveted with magnetic yoke (10), and corresponding with the position of the moving contact (5)；When short circuit current passes through breaker, pass through institute
In the magnetic field for stating coil (14) generation, electromagnetic attraction is generated between dynamic iron core (15) and magnetic yoke (10), the dynamic iron core (15) exists
Under magneticaction, the counter-force of instantaneous spring (16) is overcome to act on, drives mandril (11) to move to lock (8) direction, the mandril
(11) it is in contact during the motion with lock (8), drives lock (8) tripping；The mandril (11) drives lock (8) unlock
Subsequent reforwarding is dynamic, then lock (8) is driven to support (7) to be in contact with contact, to realize moving contact (5) and static contact (9) point
It is disconnected.
2. a kind of simple wink of miniature circuit breaker according to claim 1 moves and quick disjunction structure, it is characterised in that:
The left and right both ends of the mandril (11) are respectively arranged with buckle structure, and the dynamic iron core (15) is solid by the buckle structure of left end
Due in mandril (11), the mandril (11) limits it in magnetic yoke (10) toward left direction movement by the buckle structure of right end；
Instantaneous spring (16) left end is in contact with the buckle structure of left end in the mandril (11) and connect, right end and the magnetic yoke
(10) medial surface is in contact connection.
3. a kind of simple wink of miniature circuit breaker according to claim 1 moves and quick disjunction structure, it is characterised in that:
The right end of the mandril (11) is equipped with pyramidal structure (111), and the lock (8) is U-shaped groove structure, sets in the lock (8)
There is the lock face (81) to match with the pyramidal structure (111), the mandril (11) passes through pyramidal structure during the motion
(111) it is in contact with lock face (81), the drive lock (8) is threaded off after unlock, the lock that mandril (11) passes through U-shaped groove structure
(8) continue movement of turning right, then lock (8) is driven to support (7) to be in contact with contact, realize that moving contact (5) and static contact (9) are fast
Fast disjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676262.2A CN110223893A (en) | 2019-07-25 | 2019-07-25 | A kind of simple wink of miniature circuit breaker is dynamic and quick disjunction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676262.2A CN110223893A (en) | 2019-07-25 | 2019-07-25 | A kind of simple wink of miniature circuit breaker is dynamic and quick disjunction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110223893A true CN110223893A (en) | 2019-09-10 |
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ID=67813932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910676262.2A Pending CN110223893A (en) | 2019-07-25 | 2019-07-25 | A kind of simple wink of miniature circuit breaker is dynamic and quick disjunction structure |
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| Country | Link |
|---|---|
| CN (1) | CN110223893A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783151A (en) * | 2019-10-31 | 2020-02-11 | 南京亚派科技股份有限公司 | Simple instantaneous and rapid breaking structure of miniature circuit breaker |
| CN113851356A (en) * | 2021-09-30 | 2021-12-28 | 环宇高科有限公司 | Small-size circuit breaker |
-
2019
- 2019-07-25 CN CN201910676262.2A patent/CN110223893A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783151A (en) * | 2019-10-31 | 2020-02-11 | 南京亚派科技股份有限公司 | Simple instantaneous and rapid breaking structure of miniature circuit breaker |
| CN113851356A (en) * | 2021-09-30 | 2021-12-28 | 环宇高科有限公司 | Small-size circuit breaker |
| CN113851356B (en) * | 2021-09-30 | 2023-07-21 | 环宇高科有限公司 | Small-sized breaker |
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