CN206961781U - A kind of moving contact component and the miniature circuit breaker including the moving contact component - Google Patents
A kind of moving contact component and the miniature circuit breaker including the moving contact component Download PDFInfo
- Publication number
- CN206961781U CN206961781U CN201720489396.XU CN201720489396U CN206961781U CN 206961781 U CN206961781 U CN 206961781U CN 201720489396 U CN201720489396 U CN 201720489396U CN 206961781 U CN206961781 U CN 206961781U
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- CN
- China
- Prior art keywords
- curved portions
- moving contact
- component
- contact component
- circuit breaker
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Abstract
The utility model discloses a kind of moving contact component and the miniature circuit breaker including the moving contact component, miniature circuit breaker includes housing, lead-in wire terminal, stationary contact portion and kick component, wherein, moving contact component includes arc access piece and movable contact part, arc access piece electrically connects with lead-in wire terminal, including the first curved portions；Movable contact part includes the second curved portions, linking arm and the movable contact portion being sequentially connected, second curved portions are connected with the first curved portions, movable contact portion is connected with kick component, wherein, second curved portions can rotate relative to the first curved portions, and the second curved portions, which rotate, drives movable contact portion to be bonded or separate with stationary contact portion.Using miniature circuit breaker of the present utility model and its kick contact assembly, moving contact connection need not use flexible cord, reduce the overall dimensions of miniature circuit breaker, enable to meet code requirement, and simple in construction, and wiring is reliable.
Description
Technical field
A kind of miniature circuit breaker is the utility model is related to, is to be related to a kind of need not connect using flexible cord to be powered specifically
Moving contact component.
Background technology
Miniature circuit breaker is most popular a kind of terminal protection electrical equipment during building electrical terminal power distribution equipment is drawn.It is miniature
Breaker is made up of close/open machine, contact, protection device, arc quenching system etc..Its operation principle is：It is (de- using protection device
Detain device) and electrical current heat component realization overload and short-circuit protection, when the electric current that the coil in electrical current heat component passes through is more than setting
During current value, the dynamic iron core action of magnetictrip, promote strike bar to hit operating mechanism, unlock operating mechanism, make open circuit
Device separating brake and then disconnecting circuit, so as to realize overload and short-circuit protection to circuit.After fault is discharged, then pass through division
Brake mechanism carries out closing operation so as to connect circuit.At present, most miniature circuit breakers that China uses now are manual division
Lock formula, manually stir close/open machine can and make-break operation is carried out to circuit.Manual divide-shut brake formula miniature circuit breaker knot
Structure is simple, cost is cheap and does not need extra electric energy, thus breaking-closing operating can be carried out in the case of without electric energy,
It is widely used in old power network.
But with the development of science and technology, intelligent appliance has obtained more and more extensive application, as protection electrical equipment
Common miniature circuit breaker, also it is badly in need of installing intelligence control system additional.In order to common miniature with wide variety of manual divide-shut brake formula
Breaker matches, and now, mainly increasing one newly in common miniature circuit breaker side can be with the intelligent micro open circuit of remote control
Device, intelligent miniature circuit breaker drive other common miniature circuit breakers to carry out breaking-closing operating according to input control signal.
In order to further improve power information acquisition system expense control reliability, strengthen the quality pipe of the external breaker of electric energy meter
Control, it is ensured that power system security stable operation and formulate《The external Circuit breaker technology specification of electric energy meter》In to the profile of breaker
Size has carried out strict specification and limited, wherein, limit intelligent micro-circuit breaker and common miniature circuit breaker outer shape and
Size is consistent, to ensure the uniformity of outward appearance, and the convenient large-scale circuit breaker terminal equipment replacement of progress.
But the intelligent micro-circuit breaker of prior art, due to adding intelligent controlling device, its size is typically than common
Miniature circuit breaker size is big, also inconsistent in profile, can not directly use, and the basis first to placing miniature circuit breaker is needed before use
Equipment carries out adaptability reform, and early investment is big, long in time limit, is unfavorable for intelligent grid and promotes process.
The moving contact component of miniature circuit breaker is connected using flexible cord in the prior art, does not only take up volume, and increase peace
Difficulty is filled, while adds the risk that the failures such as short circuit occur.
Utility model content
The purpose of this utility model is to provide a kind of miniature circuit breaker and its kick contact assembly, is touched using copper coin connection is dynamic
Point, uniform force, and it is compact-sized.
To achieve these goals, moving contact component of the present utility model, it is arranged in a miniature circuit breaker, it is described miniature
Breaker includes housing, lead-in wire terminal, stationary contact portion and kick component, wherein, the moving contact component include arc access piece and
Movable contact part, arc access piece electrically connect with the lead-in wire terminal, including the first curved portions；Movable contact part includes the be sequentially connected
Two curved portions, linking arm and movable contact portion, second curved portions are connected with the first curved portions, the movable contact portion with it is described
Kick component is connected, wherein, second curved portions can rotate relative to first curved portions, second curved portions
Rotate and drive the movable contact portion to be bonded or separate with stationary contact portion.
In one embodiment of above-mentioned moving contact component, first curved portions connect with what the second curved portions contacted with each other
Contacting surface has identical radius and the center of circle.
In one embodiment of above-mentioned moving contact component, the housing includes supporting the housing branch of first curved portions
Support part.
In one embodiment of above-mentioned moving contact component, the housing support has a curved support face, and described first
The curved portions surface relative with the arc contact surface is the first contact surface, and the arc contact surface has phase with the first contact surface
Same radius.
In one embodiment of above-mentioned moving contact component, in addition to compressing member, the compressing member compress second arc
Shape portion is to first curved portions.
In one embodiment of above-mentioned moving contact component, the compressing member be connected to second curved portions and housing it
Between.
In one embodiment of above-mentioned moving contact component, one end of the compressing member is fixed on the housing, another
End compresses the intrados of second curved portions.
In one embodiment of above-mentioned moving contact component, in addition to the movable contact portion is pulled away from the stationary contact portion
Pull-off part, it is described pull-off part be connected between the housing and linking arm.The pull-off part is torsion spring part.
Miniature circuit breaker of the present utility model, including moving contact component, housing, lead-in wire terminal, stationary contact portion and kick component,
Wherein, the moving contact component is above-mentioned moving contact component.
Beneficial functional of the present utility model is, using miniature circuit breaker of the present utility model and its kick contact assembly,
Moving contact connection reduces the overall dimensions of miniature circuit breaker, enables to meet code requirement, and structure without using flexible cord
Simply, wiring is reliable.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model
Restriction.
Brief description of the drawings
Fig. 1 is the structural representation that moving contact component of the present utility model is applied to miniature circuit breaker；
Fig. 2 is the enlarged drawing of moving contact component of the present utility model.
Wherein, reference
100 housings
110 housing supports
110s curved supports face
200 lead-in wire terminals
300 stationary contact portions
600 kick components
700 moving contact components
710 arc access piece
711 first curved portions
720 movable contact parts
721 second curved portions
722 linking arms
723 movable contact portions
730 compressing members
740 are pulled away from part
S1, S1 ' contact surface
S2 contact surfaces
S3 intrados
Embodiment
Technical solutions of the utility model are described in detail with specific embodiment below in conjunction with the accompanying drawings, with further
Understand the purpose of this utility model, scheme and effect, but be not intended as the limit of the appended claims for the utility model protection domain
System.
Miniature circuit breaker includes housing, lead-in wire terminal, stationary contact portion, kick component and moving contact group of the present utility model
Part, wherein moving contact component connect lead-in wire terminal so that electricity to be introduced, and moving contact component connection kick component, and kick component drives dynamic
The movable contact portion of contact assembly is bonded or separated with stationary contact portion, to reach the purpose of combined floodgate or separating brake.
As depicted in figs. 1 and 2, miniature circuit breaker includes housing 100, lead-in wire terminal 200, stationary contact portion 300, kick component
600 and moving contact component 700.Moving contact component 700 includes arc access piece 710 and movable contact part 720.Arc access piece
710 be, for example, copper electric-conductor, and for being electrically connected with lead-in wire terminal 200, and including the first curved portions 711, the first curved portions 711 are with entering
Line end 200 electrically connects.Movable contact part 720 be, for example, copper electric-conductor, including be sequentially connected the second curved portions 721, linking arm 722
With movable contact portion 723, i.e. the second curved portions 721 and movable contact portion 723 is connected to the both ends of linking arm 722.Second arc
The first curved portions 711 that portion 721 corresponds to arc access piece 710 are set, i.e. the second curved portions 721 and the phase of the first curved portions 711
Connect so that electricity is passed sequentially through into the second curved portions 721, linking arm 722 and is conducted to movable contact portion 723.Wherein, movable contact part 720
The second curved portions 721 can be rotated relative to the first curved portions 711 of arc access piece 710, the second arc of movable contact part 720
Shape portion 721 is rotated to drive the movable contact of the other end of movable contact part 720 relative to the first curved portions 711 of arc access piece 710
Portion 723 is bonded or separated with stationary contact portion 300.
As shown in Fig. 2 the first curved portions 711 of arc access piece 710 and the phase of the second curved portions 721 of movable contact part 720
Contact surface S1, S1 mutually contacted ' has identical radius and the center of circle, ensures 711 relative second curved portions 721 of the first curved portions
What is rotated is steady, reliable.
As shown in Fig. 2 housing 100 includes the housing support 110 of the first curved portions 711 of support arc access piece 710,
Housing support 110 has curved support face 110s, similarly, the first curved portions 711 and housing 100 of arc access piece 710
The contact surface S2 that contact with each other of curved support face 110s and curved support face 110s there is identical radius and the center of circle, ensure
The curved support face 110s of housing 100 the first curved portions 711 of stable support.
Moving contact component 700 of the present utility model also includes compressing member 730, and compressing member 730 compresses the of movable contact part 720
Two curved portions 721 fix the second curved portions 721 and the first curved portions 711 to the first curved portions 711 of arc access piece 710
Relative position, and do not influence the second curved portions 721 and rotated relative to the first curved portions 711.
Compressing member 720 may connect between the second curved portions 721 of movable contact part 720 and housing 100.For example, compressing member
730 one end is fixed on housing 100, and the other end compresses the intrados S3 of the second curved portions 721.
As shown in figure 1, moving contact component 700 of the present utility model also includes being pulled away from part, it is pulled away from part and pulls movable contact portion 723
Moved to the direction away from stationary contact portion 300, make movable contact portion 723 in not remote stationary contact in the presence of by kick component 600
Portion 300.Part is pulled away to be connected between housing 100 and the linking arm 722 of movable contact part 720.If that is, kick component
600 kicks, in the case that kick component 600 does not have pressure to movable contact portion 723, it is pulled away from part 740 and pulls on 720 turns of movable contact part
Move so that movable contact portion 723 and stationary contact portion 300 separate.If kick component 600 forces in movable contact portion 723, part 740 is pulled away from
Also movable contact part 720 is pulled on so that movable contact portion 723 and stationary contact portion 300 separate as far as possible.
It is pulled away from part and for example may be configured as torsion spring part 740, torsion spring part 740 is connected to the linking arm 722 and shell of movable contact part 720
Between body 100, the movable contact portion 723 of movable contact part 720 is connected with kick component 600.During kick 600 non-kick of component, dash forward
Jump the spring force that component 600 overcomes torsion spring part 740, the movable contact portion 723 of compacting movable contact part 720.In the kick of kick component 600
When, kick component 600 is to the distress resolves in movable contact portion 723, under the spring-force driven dual of torsion spring part 740, movable contact part 720
The quick rotation of the first curved portions 711 of the opposing arcuate access piece 710 of second curved portions 721, and drive movable contact portion 723 and stationary contact
Point portion 300 departs from.
Moving contact component of the present utility model may be provided in miniature circuit breaker, effectively reduce miniature circuit breaker entirety chi
It is very little, and connect reliable.Certainly, moving contact component of the present utility model is not limited in miniature circuit breaker, also may be disposed at other open
The Central Shanxi Plain, in the switch especially required to appearance and size.
Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence
In the case of, those skilled in the art work as can make various corresponding changes and deformation according to the utility model, but these
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (10)
1. a kind of moving contact component, being arranged in a miniature circuit breaker, the miniature circuit breaker includes housing, lead-in wire terminal, stationary contact
Point portion and kick component, it is characterised in that the moving contact component includes：
Arc access piece, electrically connected with the lead-in wire terminal, including the first curved portions；And
Movable contact part, including the second curved portions, linking arm and the movable contact portion being sequentially connected, second curved portions and the first arc
Shape portion is connected, and the movable contact portion is connected with the kick component；
Wherein, second curved portions can rotate relative to first curved portions, and second curved portions, which rotate, drives institute
Movable contact portion is stated to be bonded or separate with stationary contact portion.
2. moving contact component according to claim 1, it is characterised in that first curved portions and the second curved portions are mutual
The contact surface of contact has identical radius and the center of circle.
3. moving contact component according to claim 1, it is characterised in that the housing includes supporting first curved portions
Housing support.
4. moving contact component according to claim 3, it is characterised in that the housing support has curved support face,
First curved portions surface relative with the arc contact surface is the first contact surface, and the arc contact surface contacts with first
Face has identical radius.
5. moving contact component according to claim 1, it is characterised in that also compress institute including compressing member, the compressing member
The second curved portions are stated to first curved portions.
6. moving contact component according to claim 5, it is characterised in that the compressing member is connected to second curved portions
Between housing.
7. moving contact component according to claim 6, it is characterised in that one end of the compressing member is fixed on the housing
On, the other end compresses the intrados of second curved portions.
8. moving contact component according to claim 1, it is characterised in that also include pulling the movable contact portion away from described
The pull-off part in stationary contact portion, the pull-off part are connected between the housing and linking arm.
9. moving contact component according to claim 8, it is characterised in that the pull-off part is torsion spring part.
10. a kind of miniature circuit breaker, including moving contact component, housing, lead-in wire terminal, stationary contact portion and kick component, its feature exist
In the moving contact component is the moving contact component described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489396.XU CN206961781U (en) | 2017-05-04 | 2017-05-04 | A kind of moving contact component and the miniature circuit breaker including the moving contact component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489396.XU CN206961781U (en) | 2017-05-04 | 2017-05-04 | A kind of moving contact component and the miniature circuit breaker including the moving contact component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961781U true CN206961781U (en) | 2018-02-02 |
Family
ID=61374268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720489396.XU Expired - Fee Related CN206961781U (en) | 2017-05-04 | 2017-05-04 | A kind of moving contact component and the miniature circuit breaker including the moving contact component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807103A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of moving contact component and the miniature circuit breaker including the moving contact component |
-
2017
- 2017-05-04 CN CN201720489396.XU patent/CN206961781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807103A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of moving contact component and the miniature circuit breaker including the moving contact component |
| CN108807103B (en) * | 2017-05-04 | 2024-04-09 | 周思雨 | Moving contact assembly and miniature circuit breaker comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180202 Termination date: 20180504 |