CN206961766U - A kind of miniature circuit breaker and its projecting moving contact component - Google Patents
A kind of miniature circuit breaker and its projecting moving contact component Download PDFInfo
- Publication number
- CN206961766U CN206961766U CN201720485267.3U CN201720485267U CN206961766U CN 206961766 U CN206961766 U CN 206961766U CN 201720485267 U CN201720485267 U CN 201720485267U CN 206961766 U CN206961766 U CN 206961766U
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- China
- Prior art keywords
- moving contact
- contact
- linking arm
- contact portion
- projecting moving
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Abstract
The utility model discloses a kind of miniature circuit breaker and its projecting moving contact component, miniature circuit breaker includes housing, lead-in wire terminal, stationary contact portion and kick component, it is characterized in that, projecting moving contact component includes movable contact part and is pulled away from part, movable contact part is electrically connected and is rotatably connected on housing with lead-in wire terminal, including the linking arm being connected and movable contact portion, movable contact portion connection kick component；Part is pulled away from, is connected between linking arm and housing to pull movable contact portion away from stationary contact portion, linking arm has stress in the subsection part for being pulled away from part, during combined floodgate, it is pulled away from part to act on part charge segmentation, to drive movable contact part segmentation close to stationary contact portion, and until is bonded to each other.Using miniature circuit breaker of the present utility model and its projecting moving contact component, moving contact using step segmentation movement, be not only simple in structure it is compact, it is easy to use, and reduce the overall dimensions of miniature circuit breaker, enable to meet code requirement.
Description
Technical field
The utility model is related to a kind of miniature circuit breaker, specifically, be related to a kind of micro- energy storage realize it is projecting projecting
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 energy storage of breaker carries out energy storage when referring mainly to combined floodgate or separating brake, when being closed a floodgate or separating brake acts,
The moving contact of breaker can be closed or be separated rapidly, its main purpose is to reduce the electric arc existence time of combined floodgate or separating brake,
Reach the purpose of rapid arc extinguishing.In order to improve divide-shut brake speed, prior art typically uses the energy content of increase divide-shut brake spring,
This is all necessarily required to improve the output work of operating mechanism and the mechanical strength of complete machine, reduces technical-economic index, and overall outer
Shape size is larger, simultaneously because to use large force energy storage, operator's operating experience is bad.
Utility model content
During separating brake to combined floodgate, movable contact is progressively close to stationary contact until being bonded, and movable contact and stationary contact are only
There are two states, non-fitting is with being bonded.In non-fitting, no matter movable contact and stationary contact are apart from how close, all without electrical connection,
It will not occur to produce the possibility for endangering electric arc.The purpose of this utility model is to provide a kind of miniature circuit breaker and its projecting moving contact
Component, moving contact staged are moved to stationary contact, using in making process micro- energy storage can reach and rapidly close a floodgate, so as to rapid
The purpose of arc extinguishing, is not only simple in structure, and easy to operate.
To achieve these goals, projecting moving contact component of the present utility model, is arranged in a miniature circuit breaker, described
Miniature circuit breaker includes housing, lead-in wire terminal, stationary contact portion and kick component, it is characterised in that the projecting moving contact component bag
Include movable contact part and be pulled away from part, movable contact part is electrically connected and is rotatablely connected on the housing with the lead-in wire terminal, including is connected
The linking arm connect and movable contact portion, the movable contact portion connect the kick component；Part is pulled away from, is connected to the linking arm and shell
To pull the movable contact portion away from the stationary contact portion between body, the linking arm has segmentation of the stress in the pull-off part
Portion, during combined floodgate, the pull-off part acts on part charge segmentation, to drive movable contact part segmentation close to the stationary contact
Portion, and until be bonded to each other.
In one embodiment of above-mentioned projecting moving contact component, the subsection part includes multiple valleys, two neighboring institute
Stating between valley has valley.
In one embodiment of above-mentioned projecting moving contact component, each described valley be triangle, rectangle, it is trapezoidal or
One kind in circular arc.
In one embodiment of above-mentioned projecting moving contact component, the pull-off part is torsion spring part, and the subsection part is set
In the linking arm in face of the surface in the stationary contact portion.
In one embodiment of above-mentioned projecting moving contact component, the pull-off part includes contact arm and is connected to described
The first linking arm and the second linking arm of the both sides of contact arm, the contact arm act on the subsection part, first connection
Arm, contact arm, the second linking arm composition drive the framework of the linking arm away from the stationary contact portion.
In one embodiment of above-mentioned projecting moving contact component, in addition to arc access piece, the arc access piece bag
The first curved portions electrically connected with the incoming end are included, the movable contact part also includes the second arc for connecting the linking arm
Portion, second curved portions can rotate relative to first curved portions.
In one embodiment of above-mentioned projecting moving contact component, first curved portions contact with each other with the second curved portions
Contact surface there is identical radius and the center of circle.
In one embodiment of above-mentioned projecting moving contact component, the housing includes the shell for supporting first curved portions
Body supporting part.
In one embodiment of above-mentioned projecting moving contact component, the housing support has curved support face, described
The first curved portions surface relative with the arc contact surface is the first contact surface, and the arc contact surface contacts mask with first
There is identical radius.
Miniature circuit breaker of the present utility model, including projecting moving contact component, housing, lead-in wire terminal, stationary contact portion and kick
Component, wherein, the projecting moving contact component is above-mentioned projecting moving contact component.
Beneficial functional of the present utility model is, using miniature circuit breaker of the present utility model and its projecting moving contact group
Part, moving contact using step segmentation movement, be not only simple in structure it is compact, it is easy to use, and reduce miniature circuit breaker
Overall dimensions, enable to meet code requirement.
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 projecting moving contact component of the present utility model is applied to miniature circuit breaker；
Fig. 2 is the structural representation of the first embodiment of projecting moving contact component of the present utility model；
Fig. 3 is the enlarged drawing of the first embodiment of projecting moving contact component of the present utility model；
Fig. 4 is the enlarged drawing of the second embodiment of projecting moving contact component of the present utility model；
Fig. 5 is the enlarged drawing of the 3rd embodiment of projecting 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 projecting moving contact components
710 arc access piece
711 first curved portions
720 movable contact parts
721 second curved portions
722 linking arms
7221 subsection parts
7221a valleys
7221b valley
723 movable contact portions
730 compressing members
740 are pulled away from part
741 contact arms
742 second linking arms
743 first linking arms
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 projecting move of the present utility model and touched
Head assembly, wherein projecting moving contact component connects lead-in wire terminal so that electricity to be introduced, and projecting moving contact component connection kick component, dash forward
Jumping component drives the movable contact portion of projecting moving contact component to be bonded or separate with stationary contact portion, to reach the mesh of combined floodgate or separating brake
's.
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 projecting moving contact component 700.Projecting moving contact component 700 of the present utility model includes movable contact part 720 and is pulled away from part
740。
Movable contact part 720 is, for example, copper electric-conductor, electrically connects and is rotatably connected on housing 100 with lead-in wire terminal 200, and it is wrapped
The linking arm 722 being connected and movable contact portion 723 are included, movable contact portion 723 connects kick component 700.
It is pulled away from part 740 to be connected between the linking arm 722 of movable contact part 720 and housing 100, is pulled away from the company of acting on of part 740
Arm 722 is connect to pull movable contact part 720 to be rotated to the direction away from stationary contact portion 300, so that being located at the end of movable contact part 720
Movable contact portion 723 away from stationary contact portion 300.If that is, the kick of kick component 600, kick component 600 is to movable contact
In the case that portion 723 does not have pressure, pull-off part 740 pulls on movable contact part 720 and rotated so that movable contact portion 723 and stationary contact portion
300 separation.If kick component 600 forces in movable contact portion 723, it is pulled away from part 740 and also pulls on movable contact part 720 so that dynamic touch
Point portion 723 and stationary contact portion 300 separate as far as possible.
As shown in figure 3, wherein, linking arm 722 has stress in the subsection part 7221 for being pulled away from part 740, is pulled away from part 740 and passes through
The subsection part 7221 of linking arm 722 is forced in drive movable contact part 720 to rotate.During combined floodgate, as kick component 600 is gradually pressed
Dynamic movable contact portion 723, the segmented of subsection part 7221 for being pulled away from part 740 and linking arm 722 act on, i.e. the step of movable contact part 720
Ground one-level one-level rotates to the direction in stationary contact portion 300, drives the segmented of movable contact portion 723 close to stationary contact portion 300, and until
Movable contact portion 723 is bonded to each other with stationary contact portion 300.Clearly as the application is provided with subsection part 7221, movable contact portion
723 every time to the segment distance of 300 convergence of stationary contact portion one, until movable contact portion 723 in the approach procedure of a nearest segment distance with
Stationary contact portion 300 is bonded completely.And in the approach procedure of a nearest segment distance, movable contact portion 723 has carried out micro- energy storage, it is ensured that
Movable contact portion 723 is reliably bonded with stationary contact portion 300.
Subsection part 7221 includes multiple valley 7221a, has valley 7221b between two neighboring valley 7221a.Closing a floodgate
During, it is pulled away from part 740 and peak valley 7221b is fallen into after a valley 7221a and is detained, is moved until kick component 600 drives
The pressure that contact portion 723 moves down is pulled away from part 740 and crosses over next valley 7221a enough.It is pulled away from part 740 and crosses over next valley
It is stranded in after 7221a in next valley 7221b.So repeatedly, until movable contact portion 723 fits with stationary contact portion 300.
As shown in Figures 3 to 5, it is illustrated that multiple embodiments of subsection part 7221.Wherein, each valley 7221a can
For different shapes such as triangle, rectangle, trapezoidal or circular arcs, as long as having valley 7221b between adjacent peaks 7221a, make conjunction
During lock, it is pulled away from part 740 and is acted on the segmented of contact arm 722.
Subsection part 7221 may be disposed at linking arm 722 in face of the surface in stationary contact portion 300.It is, for example, to turn round to be pulled away from part 740
Spring part, including contact arm 741 and be connected to contact arm 741 both sides the first linking arm 742 and the second linking arm 743, connect
Contact arm 741 acts on the subsection part 7221 of movable contact part 720, the first linking arm 742, contact arm 741,743 groups of the second linking arm
Into drive framework of the linking arm 722 away from stationary contact portion 300.
Because contact arm 741 need to be stranded in the valley 7221b of subsection part 7221, in order to avoid interaction force is too greatly inclined
And deviate from valley 7221b, the first linking arm 742 and the second linking arm 743 can set a bending respectively, make the first linking arm 742
It is as far as possible vertical with linking arm 722 with the second linking arm 743.
With reference to Fig. 2, projecting moving contact component 700 also includes arc access piece 710, and arc access piece 710 is, for example, that copper is led
Electric part, it is electrically connected for being electrically connected with lead-in wire terminal 200, and including the first curved portions 711, the first curved portions 711 with lead-in wire terminal 200
Connect.Movable contact part 720 also includes the second curved portions 721, and the second curved portions 721 and movable contact portion 723 are connected to linking arm
722 both ends.Second curved portions 721 are set corresponding to the first curved portions 711, i.e. the second curved portions 721 and the first curved portions 711
It is connected 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 rotate relative to the first curved portions 711 of arc access piece 710, and the of movable contact part 720
Two curved portions 721 are rotated relative to the first curved portions 711 of arc access piece 710 to drive the dynamic of the other end of movable contact part 720
Contact portion 723 is bonded or separated with stationary contact portion 300.
First curved portions 711 of arc access piece 710 connect with what the second curved portions 721 of movable contact part 720 contacted with each other
Contacting surface S1, S1 ' there is identical radius and the center of circle, it is flat to ensure that the first curved portions 711 rotate relative to the second curved portions 721
Surely, reliably.
Housing 100 includes the housing support 110 of the first curved portions 711 of support arc access piece 710, housing support
110 have curved support face 110s, similarly, the first curved portions 711 and the curved support of housing 100 of arc access piece 710
The contact surface S2 that face 110s contacts with each other and curved support face 110s has identical radius and the center of circle, ensures housing 100
Curved support face 110s the first curved portions 711 of stable support.
Projecting moving contact component 700 of the present utility model also includes compressing member 730, and compressing member 730 compresses movable contact part
720 the second curved portions 721 fix the second curved portions 721 and the first arc to the first curved portions 711 of arc access piece 710
The relative position in portion 711, 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.
Kick moving contact component of the present utility model may be provided in miniature circuit breaker, and it is overall effectively to reduce miniature circuit breaker
Size, and connect reliable.Certainly, kick moving contact component of the present utility model is not limited in miniature circuit breaker, also may be disposed at
In other switches, 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 projecting moving contact component, is arranged in a miniature circuit breaker, the miniature circuit breaker include housing, lead-in wire terminal,
Stationary contact portion and kick component, it is characterised in that the projecting moving contact component includes：
Movable contact part, electrically connect and be rotatablely connected on the housing with the lead-in wire terminal, including the linking arm being connected and dynamic
Contact portion, the movable contact portion connect the kick component；
Part is pulled away from, is connected between the linking arm and housing to pull the movable contact portion away from the stationary contact portion, it is described
Linking arm has stress when the subsection part of the pull-off part, combined floodgate, and the pull-off part acts on part charge segmentation, to drive
Movable contact part segmentation until is bonded to each other close to the stationary contact portion.
2. projecting moving contact component according to claim 1, it is characterised in that the subsection part includes multiple valleys, phase
There is valley between adjacent two valleys.
3. projecting moving contact component according to claim 2, it is characterised in that each described valley is triangle, square
One kind in shape, trapezoidal or circular arc.
4. projecting moving contact component according to claim 1, it is characterised in that the pull-off part is torsion spring part, described point
Section portion be arranged at the linking arm in face of the surface in the stationary contact portion.
5. projecting moving contact component according to claim 1, it is characterised in that the pull-off part includes contact arm and company
The first linking arm and the second linking arm of the both sides of the contact arm are connected to, the contact arm acts on the subsection part, described
First linking arm, contact arm, the second linking arm composition drive the framework of the linking arm away from the stationary contact portion.
6. projecting moving contact component according to claim 1, it is characterised in that also including arc access piece, the arc
Access piece includes the first curved portions for electrically connect with the incoming end, and the movable contact part also includes the of the connection linking arm
Two curved portions, second curved portions can rotate relative to first curved portions.
7. projecting moving contact component according to claim 6, it is characterised in that first curved portions and the second curved portions
The contact surface to contact with each other has identical radius and the center of circle.
8. projecting moving contact component according to claim 6, it is characterised in that the housing includes supporting first arc
The housing support in shape portion.
9. projecting moving contact component according to claim 8, it is characterised in that the housing support has curved support
Face, first curved portions surface relative with the arc contact surface are the first contact surface, the arc contact surface and first
Contact surface has identical radius.
10. a kind of miniature circuit breaker, including projecting moving contact component, housing, lead-in wire terminal, stationary contact portion and kick component, it is special
Sign is that the projecting moving contact component is the projecting moving contact component described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485267.3U CN206961766U (en) | 2017-05-04 | 2017-05-04 | A kind of miniature circuit breaker and its projecting moving contact component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485267.3U CN206961766U (en) | 2017-05-04 | 2017-05-04 | A kind of miniature circuit breaker and its projecting moving contact component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961766U true CN206961766U (en) | 2018-02-02 |
Family
ID=61374214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720485267.3U Expired - Fee Related CN206961766U (en) | 2017-05-04 | 2017-05-04 | A kind of miniature circuit breaker and its projecting moving contact component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807092A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and its projecting moving contact component |
-
2017
- 2017-05-04 CN CN201720485267.3U patent/CN206961766U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807092A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and its projecting moving contact component |
| CN108807092B (en) * | 2017-05-04 | 2024-05-14 | 周思雨 | Miniature circuit breaker and abrupt moving contact assembly thereof |
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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 |
Granted publication date: 20180202 Termination date: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |