CN208208610U - A kind of arc protection control and protective switch - Google Patents
A kind of arc protection control and protective switch Download PDFInfo
- Publication number
- CN208208610U CN208208610U CN201820922529.2U CN201820922529U CN208208610U CN 208208610 U CN208208610 U CN 208208610U CN 201820922529 U CN201820922529 U CN 201820922529U CN 208208610 U CN208208610 U CN 208208610U
- Authority
- CN
- China
- Prior art keywords
- contact
- striking
- dynamic
- touch base
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model proposes a kind of arc protection control and protective switchs.The utility model is by using the dynamic of brand new, static contact, it is dynamic, striking contact and touch base are carried on static contact, it is realized by the cooperation between striking contact and striking touch base dynamic, striking function before static contact contact and after separation, prevent electric arc from acting directly on dynamic, cause to move on static contact, static contact damage, on the other hand, the coating of insulating gas is generated after heating due to being coated on the electrically conducting contact of striking touch base, insulating gas is generated under the high temperature action that can be generated after striking, to further function as arc extinguishing effect, eliminate as much as the adverse effect of electric arc.
Description
Technical field
The utility model relates to a kind of arc protection control and protective switchs.
Background technique
Control and protective switch be it is a kind of the functions such as breaker, contactor, electrothermal relay are rolled into one it is intelligent
Device for switching.It is mainly used in the occasion for needing to protect motor.Major function has: short-circuit protection, open-phase protection, stall
Protection, overcurrent protection and earth leakage protective etc..
It is as shown in Figure 1 a kind of instantaneous disjunction mechanism of control and protective switch, which includes contact guide rod 13, iron core
23 and swing rod 22, swing rod 22 be flexibly connected with contact guide rod 13, iron core 23 be arranged on contact guide rod 13, the mechanism have very
Rapid breaking course, but in some cases, the high temperature of generation and the electric arc generation of electric arc when due to contact is right
It is very unfavorable in contact, the service life of contact is reduced, or even directly damage contact.
Utility model content
The utility model proposes the arc protection control and protective switchs that one kind can effectively prevent electric arc to damage contact.
The technical solution of the utility model is achieved in that a kind of arc protection control and protective switch, including shell and
Disjunction mechanism, disjunction mechanism include static contact and moving contact, further include contact guide rod, between contact guide rod bottom end and the shell
It is provided with touch spring, contact guide rod is fixedly connected with the moving contact, and the static contact is mounted on upper end in shell, and contact is led
Bar is movably hinged with control-rod, and control-rod one end is hinged on shell, and the control-rod is also connected with swing rod, the control
Bar is provided with helical spring between contact guide rod and the crossbeam of shell, and the top setting of control-rod is cored, covers on iron core
Equipped with coil, the moving contact is equipped with striking contact, is provided on the static contact being adapted to therewith and draws with what striking contact was adapted to
Arc touch base, the striking contact include rounded being disposed around moving contact periphery and stretching out multiple touchings except moving contact upper surface
Refer to, the fingertip has the amount of elasticity of radial direction deformation, and the striking touch base is in cylindrical shell shape, and end has leading for varus
Electrical contacts are coated with the coating that insulating gas is generated after heating on the electrically conducting contact, dynamic and static contact close to when, striking
Contact and striking touch base are prior to dynamic and static contact；In the separation of dynamic and static contact, striking contact is later than dynamic and static with striking touch base
Contact separation.
Further, the electrically conducting contact outer surface is arcwall face.
Further, be arranged at intervals on striking touch base periphery longitudinally extend split slot.
Further, striking touch base periphery is additionally provided with multiple spaced heat release holes.
Further, the striking contact end has the conductive bumps to turn up.
Further, the outer surface of the conductive bumps is spherical surface.
Further, the striking contact and striking touch base respectively with dynamic and static contact releasable connection.
Using above-mentioned technical proposal, the utility model has the following beneficial effects: the utility model is by using brand new
Dynamic and static contact, striking contact and touch base are carried on dynamic and static contact, the cooperation passed through between striking contact and striking touch base is real
Striking function before present dynamic and static contact and after separation, prevent electric arc from acting directly on dynamic and static contact and cause to move,
On the other hand static contact damage generates the coating of insulating gas due to being coated on the electrically conducting contact of striking touch base after heating,
Insulating gas is generated under the high temperature action that can be generated after striking, to further function as arc extinguishing effect, eliminates as much as electric arc
Adverse effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of arc protection control and protective switch of the prior art；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the partial enlarged view in Fig. 2 at B；
Schematic illustration when Fig. 5 is striking；
In Fig. 1: 1- shell, 11- static contact, 12- moving contact, 13- contact guide rod, 14- spring, 15- touch spring, 21-
Control-rod, 22- swing rod, 23- iron core, 231- coil；
In Fig. 2-5: 1- shell, 2- contact guide rod, 3- control-rod, 4- touch spring, 5- swing rod, 6- iron core, 7- coil, 8-
Moving contact, 9- static contact, 10- striking contact, 11- striking touch base, 12- electrically conducting contact, 13- conductive bumps.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 2-5, arc protection control and protective switch includes shell 1 and disjunction mechanism, and disjunction mechanism includes stationary contact
First 9 and moving contact 8, further include contact guide rod 2, is provided with touch spring 4, contact between 2 bottom end of contact guide rod and the shell 1
Guide rod 2 is fixedly connected with the moving contact 8, and the static contact 9 is mounted on upper end in shell 1, and contact guide rod 2 is movably hinged with control
Bar 3 processed, 3 one end of control-rod are hinged on shell 1, and the control-rod 3 is also connected with swing rod 5, and the control-rod 3 is close to touching
Helical spring is provided between head guide rod 2 and the crossbeam of shell 1, the top of control-rod 3 is arranged cored 6, is arranged on iron core 6
Coil 7, the moving contact 8 be equipped with striking contact 10, is provided on the static contact 9 being adapted to therewith and is adapted to striking contact 10
Striking touch base 11, the striking contact 10 are disposed around 8 periphery of moving contact and stretch out except 8 upper surface of moving contact including rounded
Multiple fingertips, the fingertip have the amount of elasticity of radial direction deformation, and the striking touch base 11 is in cylindrical shell shape, and end has
The electrically conducting contact 12 of varus is coated with the coating that insulating gas is generated after heating on the electrically conducting contact 12, in dynamic and static contact
When close, striking contact 10 and striking touch base 11 are prior to dynamic and static contact；Dynamic and static contact separation when, striking contact 10 with
Striking touch base 11 is later than dynamic and static contact separation.12 outer surface of electrically conducting contact is arcwall face.11 periphery of striking touch base
On be arranged at intervals with longitudinally extend split slot.11 periphery of striking touch base is additionally provided with multiple spaced heat release holes.It is described
10 end of striking contact has the conductive bumps 13 to turn up.The outer surface of the conductive bumps 13 is spherical surface.The striking contact
10 and striking touch base 11 respectively with dynamic and static contact releasable connection.
When in use: the utility model carries striking touching on dynamic and static contact by using the dynamic and static contact of brand new
First 10 and touch base, it is realized before dynamic and static contact and after separation by the cooperation between striking contact 10 and striking touch base 11
Striking function, prevent electric arc from acting directly on dynamic and static contact and dynamic and static contact caused to damage, on the other hand, due to drawing
The coating that insulating gas is generated after heating, the high temperature action that can be generated after striking are coated on the electrically conducting contact 12 of arc touch base 11
Lower generation insulating gas eliminates as much as the adverse effect of electric arc to further function as arc extinguishing effect.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of arc protection control and protective switch, including shell and disjunction mechanism, disjunction mechanism includes static contact and moving contact,
Further include contact guide rod, touch spring, contact guide rod and the moving contact are provided between contact guide rod bottom end and the shell
It is fixedly connected, the static contact is mounted on upper end in shell, and contact guide rod is movably hinged with control-rod, and control-rod one end is hinged on
On shell, the control-rod is also connected with swing rod, and the control-rod is arranged between contact guide rod and the crossbeam of shell
There is helical spring, the top setting of control-rod is cored, coil is arranged on iron core, which is characterized in that set on the moving contact
There is striking contact, the striking touch base being adapted to striking contact is provided on the static contact being adapted to therewith, the striking contact includes
Rounded to be disposed around moving contact periphery and stretch out multiple fingertips except moving contact upper surface, the fingertip becomes with radial direction
The amount of elasticity of shape, the striking touch base are in cylindrical shell shape, and end has the electrically conducting contact of varus, on the electrically conducting contact
Be coated with the coating that insulating gas is generated after heating, dynamic and static contact close to when, striking contact and striking touch base are prior to dynamic and static touching
Head contact；In the separation of dynamic and static contact, striking contact is later than dynamic and static contact with striking touch base and separates.
2. arc protection control and protective switch according to claim 1, which is characterized in that the electrically conducting contact outer surface
For arcwall face.
3. arc protection control and protective switch according to claim 2, which is characterized in that between on striking touch base periphery
Every be provided with longitudinally extend split slot.
4. arc protection control and protective switch according to claim 3, which is characterized in that striking touch base periphery is also set
There are multiple spaced heat release holes.
5. arc protection control and protective switch according to claim 1-4, which is characterized in that the striking contact
End has the conductive bumps to turn up.
6. arc protection control and protective switch according to claim 5, which is characterized in that the outer surface of the conductive bumps
For spherical surface.
7. arc protection control and protective switch according to claim 1, which is characterized in that the striking contact and striking touching
Seat respectively with dynamic and static contact releasable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922529.2U CN208208610U (en) | 2018-06-14 | 2018-06-14 | A kind of arc protection control and protective switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922529.2U CN208208610U (en) | 2018-06-14 | 2018-06-14 | A kind of arc protection control and protective switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208610U true CN208208610U (en) | 2018-12-07 |
Family
ID=64497676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820922529.2U Expired - Fee Related CN208208610U (en) | 2018-06-14 | 2018-06-14 | A kind of arc protection control and protective switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208610U (en) |
-
2018
- 2018-06-14 CN CN201820922529.2U patent/CN208208610U/en not_active Expired - Fee Related
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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: 20181207 Termination date: 20210614 |