CN206250126U - D.C. contactor - Google Patents
D.C. contactor Download PDFInfo
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- CN206250126U CN206250126U CN201621437430.0U CN201621437430U CN206250126U CN 206250126 U CN206250126 U CN 206250126U CN 201621437430 U CN201621437430 U CN 201621437430U CN 206250126 U CN206250126 U CN 206250126U
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- magnetic
- contactor
- conductive board
- magnetic conductive
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Abstract
The utility model provides a kind of D.C. contactor, and D.C. contactor includes：Moving contact (10) and static contact, moving contact (10) have spacing and static contact between, and magnetic portion (20) is provided with around spacing, and magnetic portion (20) produces arc extinguishing magnetic field, and D.C. contactor also includes：Magnetic-conductance portion (30), is arranged on around spacing and is located at the outside of magnetic portion (20) to weaken the magnetic force on the outside of magnetic portion (20).The technical solution of the utility model efficiently solves increasing arc extinguishing magnetic field in the prior art and the problem for impacting is installed and used to accessory product.
Description
Technical field
The utility model is related to technical field of electrical equipment, and in particular to a kind of D.C. contactor.
Background technology
At present, in the design of D.C. contactor, electric arc is disconnected to extinguish, usually using magnetic quenching principle.Such as Fig. 1 institutes
Show, two relative permanent magnets 1 are set around electric arc, and in the range of a magnetic field intensity for defining, the magnetic field of arc region is strong
Degree is bigger, and the effect of its arc extinguishing is better.But, with the increasing of magnetic field intensity, suction of the magnetic field to the magnetisable material near product
Power is increased, and the use that install product in its vicinity may be impacted.Therefore, increasing arc extinguishing magnetic field and reducing to attached
The influence that nearly product is installed and used forms contradiction between the two.
Utility model content
Main purpose of the present utility model is to provide a kind of D.C. contactor, to solve to increase arc extinguishing magnetic in the prior art
The problem for impacting is installed and used to accessory product in field.
To achieve these goals, the utility model provides a kind of D.C. contactor, including：Moving contact and static contact,
There is spacing between moving contact and static contact, magnetic portion is provided with around spacing, magnetic portion produces arc extinguishing magnetic field, direct current contact
Device also includes：Magnetic-conductance portion, is arranged on around spacing and positioned at the outside of magnetic portion to weaken the magnetic force on the outside of magnetic portion.
Further, magnetic-conductance portion is two magnetic conductive boards being oppositely arranged.
Further, magnetic portion is two permanent magnets being oppositely arranged, and two permanent magnets and two magnetic conductive boards are corresponded
Set.
Further, the side expansion where the two relative lateral permanent magnets of magnetic conductive board extends.
Further, the shape of cross section of magnetic conductive board takes the shape of the letter U.
Further, D.C. contactor also includes housing and support, and housing has installation cavity and the peace connected with installation cavity
Dress opening, support is arranged at construction opening, and moving contact, permanent magnet and magnetic conductive board are arranged in installation cavity, and static contact is set
On support.
Further, support has the two installation convex portions protruded to installation cavity, and installation convex portion has installs groove, permanent magnetism
Iron is arranged in installation groove, and magnetic conductive board is arranged on the outside for installing convex portion.
Further, the side expansion where the two relative lateral permanent magnets of magnetic conductive board extends and forms clamp, two
Clamp is fastened on the relative both sides for installing convex portion.
Further, D.C. contactor also include calutron, calutron be arranged on installation cavity away from the one of support
Side, dynamic iron core and the moving contact of calutron are connected, and magnetic conductive board extends to the outside of calutron.
Technical solutions of the utility model, have the following advantages that：In the outside of magnetic portion, magnetic-conductance portion, in arc extinguishing, magnetic are set
Property portion produce arc extinguishing magnetic field, under the guiding of magnetic-conductance portion, the magnetic line of force in arc region increases, and is dispersed in the magnetic line of force of non-arc region
Reduce, so so that the magnetic force in non-arc region weakens, and the magnetic force of arc region is strengthened, and reduces the magnetic strength in non-arc extinguishing area
Answer intensity, it is to avoid because installing the influence of component nearby after increase magnetic force to product.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the magnetic quenching schematic diagram of D.C. contactor of the prior art；
Fig. 2 shows the schematic cross-sectional view of the embodiment according to D.C. contactor of the present utility model；
Fig. 3 shows the decomposing schematic representation of the D.C. contactor of Fig. 2；
Fig. 4 shows the dimensional structure diagram of the magnetic conductive board of the D.C. contactor of Fig. 2；And
Fig. 5 shows the schematic diagram of the D.C. contactor of Fig. 2.
Description of reference numerals：
1st, permanent magnet；10th, moving contact；20th, magnetic portion；30th, magnetic-conductance portion；40th, housing；50th, support；The 51st, convex portion is installed；
60th, calutron；61st, dynamic iron core.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
As shown in Figure 2 and Figure 5, the D.C. contactor of the present embodiment includes：Moving contact 10 and static contact, moving contact 10 and quiet
There is spacing between contact, magnetic portion 20 is provided with around spacing, magnetic portion 20 produces arc extinguishing magnetic field, and D.C. contactor is also wrapped
Include：Magnetic-conductance portion 30, magnetic-conductance portion 30 is arranged on around spacing and positioned at the outside of magnetic portion 20 to weaken the outside of magnetic portion 20
Magnetic force.
Using the D.C. contactor of the present embodiment, magnetic-conductance portion 30, in arc extinguishing, magnetic portion are set in the outside of magnetic portion 20
20 produce arc extinguishing magnetic field, and under the guiding of magnetic-conductance portion 30, the magnetic line of force in arc region increases, and is dispersed in the magnetic line of force of non-arc region
Reduce, so so that the magnetic force in non-arc region weakens, and the magnetic force of arc region is strengthened, and reduces the magnetic strength in non-arc extinguishing area
Answer intensity, it is to avoid because installing the influence of component nearby after increase magnetic force to product.
As shown in figure 3, in the present embodiment, magnetic-conductance portion 30 is two magnetic conductive boards being oppositely arranged.The structure letter of magnetic conductive board
It is single, it is easy to process, it is with low cost.Magnetic conductive board must be magnetic conductivity material, and permeability is higher, and effect is more obvious.
In the present embodiment, magnetic portion 20 is two permanent magnets being oppositely arranged, two permanent magnets and two magnetic conductive boards one
One is correspondingly arranged.Two identical permanent magnets constitute a relative magnetic field, when magnetic field can extinguish moving contact with static contact disconnection
Electric arc, magnetic conductive board makes the magnetic field of arc region be strengthened, rather than the magnetic force of arc region weakens, and so both improves arc region
Magnetic field intensity, reduces the suction of nonclient area again.
In the present embodiment, the side expansion where the two relative lateral permanent magnets of magnetic conductive board extends.Can so subtract
Few permanent magnet one end fringe magnetic leakage, the magnetic force to rupturing duty area has been strengthened.As shown in Figure 4, it is preferable that magnetic conductive board it is transversal
Face shape takes the shape of the letter U.Simple structure, manufacture is easy, cost-effective.
As shown in Figures 2 and 3, in the present embodiment, D.C. contactor also includes housing 40 and support 50, and housing 40 has
Installation cavity and the construction opening connected with installation cavity, support 50 are arranged at construction opening, moving contact 10, permanent magnet and magnetic conductive board
It is arranged in installation cavity, static contact is arranged on support 50.
In the present embodiment, support 50 has the two installation convex portions 51 protruded to installation cavity, and installing convex portion 51 has peace
Dress groove, permanent magnet is arranged in installation groove, and magnetic conductive board is arranged on the outside for installing convex portion 51.Installing convex portion 51 can be in order to
Permanent magnet, simple installation are installed.
In the present embodiment, the side expansion where the two relative lateral permanent magnets of magnetic conductive board extends and forms clamp,
Two clamps are fastened on the relative both sides for installing convex portion 51.Magnetic conductive board, simple installation so can be conveniently installed.
In the present embodiment, D.C. contactor also include calutron 60, calutron 60 be arranged on installation cavity away from
The side of support 50, dynamic iron core 61 and the moving contact 10 of calutron 60 are connected, and magnetic conductive board extends to calutron 60
Outside.Permanent magnet one end fringe magnetic leakage is so reduced, the magnetic force to rupturing duty area has been strengthened.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
1st, the magnetic induction intensity in non-arc extinguishing area is reduced, it is to avoid because installing annex component to product after increase magnetic force
Influence.
2nd, permanent magnet one end fringe magnetic leakage is reduced, the magnetic force to rupturing duty area has been strengthened.
3rd, for the exploitation of exploitation high voltage, heavy DC contactor provides good technology solution route.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (9)
1. a kind of D.C. contactor, including：Moving contact (10) and static contact, have between the moving contact (10) and the static contact
There is spacing, magnetic portion (20) be provided with around the spacing, the magnetic portion (20) produces arc extinguishing magnetic field,
Characterized in that, the D.C. contactor also includes：
Magnetic-conductance portion (30), is arranged on around the spacing and is located at the outside of the magnetic portion (20) to weaken the magnetic portion
(20) magnetic force on the outside of.
2. D.C. contactor according to claim 1, it is characterised in that the magnetic-conductance portion (30) is two for being oppositely arranged
Magnetic conductive board.
3. D.C. contactor according to claim 2, it is characterised in that the magnetic portion (20) is two for being oppositely arranged
Permanent magnet, two permanent magnets and two magnetic conductive boards are corresponded and set.
4. D.C. contactor according to claim 3, it is characterised in that relative two of the magnetic conductive board it is lateral it is described forever
Side expansion where magnet extends.
5. D.C. contactor according to claim 4, it is characterised in that the shape of cross section of the magnetic conductive board takes the shape of the letter U.
6. D.C. contactor according to claim 3, it is characterised in that the D.C. contactor also include housing (40) and
Support (50), the construction opening that the housing (40) connects with installation cavity and with the installation cavity, the support (50) is installed
At the construction opening, the moving contact (10), the permanent magnet and the magnetic conductive board are arranged in the installation cavity, institute
Static contact is stated to be arranged on the support (50).
7. D.C. contactor according to claim 6, it is characterised in that the support (50) is with convex to the installation cavity
Two for going out install convex portion (51), and the installation convex portion (51) is with groove is installed, and it is recessed that the permanent magnet is arranged on the installation
In groove, the magnetic conductive board is arranged on the outside of the installation convex portion (51).
8. D.C. contactor according to claim 7, it is characterised in that relative two of the magnetic conductive board it is lateral it is described forever
Side expansion where magnet extends and forms clamp, and two clamps are fastened on relative two of the installation convex portion (51)
Side.
9. D.C. contactor according to claim 6, it is characterised in that the D.C. contactor also includes calutron
(60), the calutron (60) is arranged on the side away from the support (50) of the installation cavity, the calutron
(60) dynamic iron core (61) is connected with the moving contact (10), and the magnetic conductive board extends to the outer of the calutron (60)
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437430.0U CN206250126U (en) | 2016-12-26 | 2016-12-26 | D.C. contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437430.0U CN206250126U (en) | 2016-12-26 | 2016-12-26 | D.C. contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250126U true CN206250126U (en) | 2017-06-13 |
Family
ID=59009024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621437430.0U Active CN206250126U (en) | 2016-12-26 | 2016-12-26 | D.C. contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206250126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271894A (en) * | 2017-06-22 | 2017-10-20 | 沈阳工业大学 | Bridge-type D.C. contactor parameter simulation platform |
-
2016
- 2016-12-26 CN CN201621437430.0U patent/CN206250126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271894A (en) * | 2017-06-22 | 2017-10-20 | 沈阳工业大学 | Bridge-type D.C. contactor parameter simulation platform |
| CN107271894B (en) * | 2017-06-22 | 2019-12-24 | 沈阳工业大学 | Bridge type direct current contactor parameter simulation platform |
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