CN206301709U - A kind of arc-extinguishing mechanism of nonpolarity D.C. contactor - Google Patents
A kind of arc-extinguishing mechanism of nonpolarity D.C. contactor Download PDFInfo
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- CN206301709U CN206301709U CN201720036317.XU CN201720036317U CN206301709U CN 206301709 U CN206301709 U CN 206301709U CN 201720036317 U CN201720036317 U CN 201720036317U CN 206301709 U CN206301709 U CN 206301709U
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- arc
- stay
- magnet steel
- arc extinguishing
- extinguishing magnet
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Abstract
The utility model provides a kind of arc-extinguishing mechanism for whetheing there is polarity DC contactor, two groups of magnetic steel components and two arc chutes including being arranged on stationary contact internal stent, two groups of magnetic steel components are separately fixed between two arc chutes and stationary contact support, two arc chutes are oppositely arranged middle formation arc-chutes, two groups of magnetic steel components are centrosymmetric distribution, every group of magnetic steel component includes the arc extinguishing magnet steel A and arc extinguishing magnet steel B of at right angles distribution, and the polarity of arc extinguishing magnet steel A is identical with the polarity of arc extinguishing magnet steel B.The arc-extinguishing mechanism of a kind of nonpolarity D.C. contactor that the utility model is provided, the polarity of arc extinguishing magnet steel A is identical with the polarity of arc extinguishing magnet steel B to make whole D.C. contactor for nonpolarity structure, the magnetic field of rotation is formed, so as to reach the effect of timely and effective arc extinguishing.
Description
Technical field
The utility model is related to D.C. contactor technical field, more particularly to a kind of arc extinguishing of nonpolarity D.C. contactor
Mechanism.
Background technology
Existing arc extinguishing component uses plastics, and the insulating properties of the arc extinguishing component of plastics is not strong, carry out insulating properties test,
Cannot meet the technical indicator that existing standard specifies during ground connection performance test and life test.
Utility model content
Technical problem to be solved in the utility model is：In order to overcome deficiency of the prior art, the utility model is carried
For a kind of arc-extinguishing mechanism of nonpolarity D.C. contactor.
The utility model solves its technical problem technical scheme to be taken：A kind of nonpolarity D.C. contactor goes out
Arc mechanism, including it is arranged on two groups of magnetic steel components and two ceramic arc chutes of stationary contact internal stent, two groups of magnetic steel components point
It is not fixed between two ceramic arc chutes and stationary contact support, two ceramic arc chutes are oppositely arranged middle formation arc-chutes,
Two groups of magnetic steel component positions are centrosymmetric distribution, and every group of magnetic steel component includes the arc extinguishing magnet steel A and arc extinguishing magnetic of at right angles distribution
Steel B, and identical with the polarity of arc extinguishing magnet steel B with the polarity of arc extinguishing magnet steel A in group, in different groups the polarity of arc extinguishing magnet steel A and
The opposite polarity of arc extinguishing magnet steel B in different groups, the stationary contact internal stent is provided with two static contacts, the arc extinguishing magnet steel in two groups
A is located at two outsides of static contact respectively, and is intersected vertically with two static contact lines of centres.
Identical with the polarity of arc extinguishing magnet steel B with arc extinguishing magnet steel A in group refers to for identical towards the inner or outer side of arc-chutes
Polarity, the opposite polarity of arc extinguishing magnet steel B refers in the polarity of arc extinguishing magnet steel A and different group in different groups, it is assumed that in one group
The N poles of arc extinguishing magnet steel A towards the inner side of arc-chutes, then in another group the N poles of arc extinguishing magnet steel A towards the outside of arc-chutes, arc extinguishing
Magnet steel B polarity is ibid.
Polarity identical arc extinguishing magnet steel is used to arrange to form non-polar D.C. contactor, when in use, wiring with 90 ° of angles
Hold no polar requirement.Arc chute is made using ceramic material, the insulating properties of arc chute is improve, makes the cooling velocity of electric arc more
Hurry up, extend the service life of arc chute.
Further, the arc chute is U-shape structure, including two parallel portions that are oppositely arranged and for connecting two parallel portions one
The connecting portion at end, is equipped with tooth form raised line, the bearing of trend and direct current of the tooth form raised line on the medial surface of two parallel portion
The diameter parallel of contactor.Tooth form raised line can extend electric arc, electric arc is easier cut-out.
Preferably, the top of the tooth form raised line is cambered surface.Wedge angle is avoided to produce electrostatic.
Further, the stationary contact rack inner wall is provided with one end and the other end is connected with stationary contact support to arc-chutes extension
The first stay, the second stay and the 3rd stay, first stay, the second stay and the 3rd stay are four, four institutes
State the first stay to be symmetricly set on two-by-two in the relative a pair of sidewalls of stationary contact support, four second stays symmetrically set two-by-two
Put in the relative another a pair of sidewalls of stationary contact support, the length of the distance between second stay described in homonymy and arc extinguishing magnet steel A
Matching, the arc chute is fixed in the space that the stay of homonymy first and the second stay are surrounded, and second stay goes out with homonymy
Arc groove surrounds the fixed space of arc extinguishing magnet steel A, and first stay and the second stay are mutually perpendicular to；3rd stay with it is described
First stay be arranged in parallel, and is two-by-two one group of distribution that is centrosymmetric, and every group of the 3rd stay is located at the first stay and the second support
Between bar, the fixed space of arc extinguishing magnet steel B is surrounded with the parallel portion of homonymy with the 3rd stay of group.
Further, the stationary contact support includes a pair of straight sidewalls being oppositely arranged and a pair of curved sides being oppositely arranged
Wall, first stay is connected with the straight sidewall, and second stay is connected with the curved wall.
The beneficial effects of the utility model are：The arc extinguishing machine of a kind of nonpolarity D.C. contactor that the utility model is provided
Structure, the arc chute of original plastics is changed to the arc chute of ceramic material, improves the insulating properties of arc chute, makes the cooling of electric arc
Speed faster, extends the service life of arc chute.Arc chute in addition to the effect with arc extinguishing, also with stationary contact support assorted
For fixing arc extinguishing magnet steel.The polarity of arc extinguishing magnet steel A is identical with the polarity of arc extinguishing magnet steel B to make whole D.C. contactor be nonpolarity
Structure, forms the magnetic field of rotation, so as to reach the effect of timely and effective arc extinguishing.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of arc extinguishing component of the present utility model；
Fig. 2 is arc extinguishing magnet steel arrangement schematic diagram；
Fig. 3 is the structural representation of stationary contact support；
Fig. 4 is the structural representation of stationary contact support；
Fig. 5 is the structural representation of ceramic arc chute.
In figure：4-1, stationary contact support, 4-11, the first stay, 4-12, the second stay, 4-13, the 3rd stay are 4-14, straight
Side wall, 4-15, curved wall, 6-1, microswitch, 7-1, arc chute, 7-11, parallel portion, 7-12, connecting portion, 7-13, tooth form
Raised line, 7-2, arc extinguishing magnet steel A, 7-3, arc extinguishing magnet steel B.
Specific embodiment
The utility model is described in detail presently in connection with accompanying drawing.This figure is simplified schematic diagram, only in a schematic way
Basic structure of the present utility model is illustrated, therefore it only shows the composition relevant with the utility model.
As Figure 1-5, the arc-extinguishing mechanism of a kind of nonpolarity D.C. contactor of the present utility model, including it is arranged on stationary contact
Two groups of magnetic steel components and two arc chute 7-1 inside point support 4-1, two groups of magnetic steel components are separately fixed at two arc chute 7-
Between 1 and stationary contact support 4-1, two arc chute 7-1 are oppositely arranged middle formation arc-chutes, during two groups of magnetic steel component positions are in
The heart is symmetrical, and every group of magnetic steel component includes the arc extinguishing magnet steel A7-2 and arc extinguishing magnet steel B7-3 of at right angles distribution, and with being gone out in group
The polarity of arc magnet steel A7-2 is identical with the polarity of arc extinguishing magnet steel B7-3, the polarity of arc extinguishing magnet steel A7-2 and different groups in different groups
The opposite polarity of middle arc extinguishing magnet steel B7-3, is provided with two static contacts, the arc extinguishing magnet steel in two groups inside the stationary contact support 4-1
A7-2 is located at two outsides of static contact respectively, and is intersected vertically with two static contact lines of centres.As shown in Fig. 2 this implementation
Above in example including the S poles of one group of arc extinguishing magnet steel A7-2 and arc extinguishing magnet steel B7-3, N poles are in outside, set below arc extinguishing magnet steel A7-
Including the N poles of 2 and arc extinguishing magnet steel B7-3, S poles are in outside.
The arc chute 7-1 is made of ceramic material.
The arc chute 7-1 is U-shape structure, including the two parallel portion 7-11 that are oppositely arranged and for connecting two parallel portion 7-
The connecting portion 7-12 of 11 one end, is equipped with tooth form raised line 7-13, the tooth form raised line on the medial surface of the two parallel portions 7-11
The bearing of trend of 7-13 and the diameter parallel of D.C. contactor.The top of the tooth form raised line 7-13 is cambered surface.Tooth form raised line 7-
13 are parallel to each other.
The stationary contact support 4-1 inwalls are provided with one end and the other end are connected with stationary contact support 4-1 to arc-chutes extension
The first stay 4-11, the second stay 4-12 and the 3rd stay 4-13, the first stay 4-11, the second stay 4-12 and the 3rd
Stay 4-13 is four, and four the first stay 4-11 are symmetricly set on the relative offsides of stationary contact support 4-1 two-by-two
On wall, four the second stay 4-12 are symmetricly set in the relative another a pair of sidewalls of stationary contact support 4-1 two-by-two, homonymy institute
State the distance between second stay 4-12 to be matched with the length of arc extinguishing magnet steel A7-2, the arc chute 7-1 is fixed on homonymy first
In the space that stay 4-11 and the second stay 4-12 are surrounded, the second stay 4-12 and homonymy arc chute 7-1 surrounds arc extinguishing magnetic
The fixed space of steel A7-2, the first stay 4-11 and the second stay 4-12 are mutually perpendicular to；The 3rd stay 4-13 and institute
State the first stay 4-11 to be arranged in parallel, and be two-by-two one group of distribution that is centrosymmetric, every group of the 3rd stay 4-13 is located at the first support
Between bar 4-11 and the second stay 4-12, arc extinguishing magnet steel is surrounded with the parallel portion 7-11 of homonymy with the 3rd stay 4-13 of group
The fixed space of B7-3.The microswitch 6- for detecting D.C. contactor working condition is further fixed on stationary contact support 4-1
1。
The stationary contact support 4-1 includes a pair of straight sidewall 4-14 being oppositely arranged and a pair of curved walls being oppositely arranged
4-15, the first stay 4-11 is connected with the straight sidewall 4-14, the second stay 4-12 and curved wall 4-15
Connection.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work
Personnel can carry out various changes and amendments in the range of without departing from the utility model completely.This utility model
Technical scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (5)
1. a kind of arc-extinguishing mechanism of nonpolarity D.C. contactor, it is characterised in that：It is internal including being arranged on stationary contact support (4-1)
Two groups of magnetic steel components and two ceramic arc chutes (7-1), two groups of magnetic steel components are separately fixed at two ceramic arc chutes (7-1)
Between stationary contact support (4-1), two ceramic arc chutes (7-1) are oppositely arranged middle formation arc-chutes, two groups of magnetic steel components
Position is centrosymmetric distribution, and every group of magnetic steel component includes arc extinguishing magnet steel A (7-2) and arc extinguishing magnet steel B (7- of at right angles distribution
3) it is, and identical with the polarity of arc extinguishing magnet steel B (7-3) with the polarity of arc extinguishing magnet steel A (7-2) in group, arc extinguishing magnet steel A in different groups
The opposite polarity of arc extinguishing magnet steel B (7-3), two are provided with inside the stationary contact support (4-1) in the polarity of (7-2) and different groups
Individual static contact, arc extinguishing magnet steel A (7-2) in two groups is located at two outsides of static contact respectively, and connects with two static contact centers
Line intersects vertically.
2. the arc-extinguishing mechanism of nonpolarity D.C. contactor as claimed in claim 1, it is characterised in that：The ceramic arc chute
(7-1) is U-shape structure, including two parallel portions (7-11) that are oppositely arranged and the connection for connecting two parallel portions (7-11) one end
Portion (7-12), is equipped with tooth form raised line (7-13), the tooth form raised line (7-13) on the medial surface of two parallel portion (7-11)
Bearing of trend and D.C. contactor diameter parallel.
3. the arc-extinguishing mechanism of nonpolarity D.C. contactor as claimed in claim 2, it is characterised in that：Tooth form raised line (the 7-
13) top is cambered surface.
4. the arc-extinguishing mechanism of nonpolarity D.C. contactor as claimed in claim 2, it is characterised in that：The stationary contact support
(4-1) inwall is provided with one end and the first stay (4-11), that the other end extends to arc-chutes is connected with stationary contact support (4-1)
Two stays (4-12) and the 3rd stay (4-13), first stay (4-11), the second stay (4-12) and the 3rd stay (4-
13) four are, four first stays (4-11) are symmetricly set on the relative a pair of sidewalls of stationary contact support (4-1) two-by-two
On, four second stays (4-12) are symmetricly set in the relative another a pair of sidewalls of stationary contact support (4-1) two-by-two, homonymy
The distance between described second stay (4-12) matches with the length of arc extinguishing magnet steel A (7-2), and the arc chute (7-1) is fixed on
In the space that the stay of homonymy first (4-11) and the second stay (4-12) are surrounded, second stay (4-12) and homonymy arc chute
(7-1) surrounds the fixed space of arc extinguishing magnet steel A (7-2), and first stay (4-11) and the second stay (4-12) are mutually perpendicular to；
3rd stay (4-13) be arranged in parallel with first stay (4-11), and is two-by-two one group of distribution that is centrosymmetric, often
Group the 3rd stay (4-13) be located between the first stay (4-11) and the second stay (4-12), with group the 3rd stay (4-13) with it is same
The parallel portion (7-11) of side surrounds the fixed space of arc extinguishing magnet steel B (7-3).
5. the arc-extinguishing mechanism of nonpolarity D.C. contactor as claimed in claim 4, it is characterised in that：The stationary contact support
(4-1) includes a pair of the straight sidewalls (4-14) being oppositely arranged and a pair of the curved walls (4-15) being oppositely arranged, first support
Bar (4-11) is connected with the straight sidewall (4-14), and second stay (4-12) is connected with the curved wall (4-15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036317.XU CN206301709U (en) | 2017-01-09 | 2017-01-09 | A kind of arc-extinguishing mechanism of nonpolarity D.C. contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036317.XU CN206301709U (en) | 2017-01-09 | 2017-01-09 | A kind of arc-extinguishing mechanism of nonpolarity D.C. contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301709U true CN206301709U (en) | 2017-07-04 |
Family
ID=59203858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036317.XU Active CN206301709U (en) | 2017-01-09 | 2017-01-09 | A kind of arc-extinguishing mechanism of nonpolarity D.C. contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591284A (en) * | 2017-08-02 | 2018-01-16 | 浙江工业大学 | A kind of ball contactor comprising operation module |
| CN109300743A (en) * | 2018-08-28 | 2019-02-01 | 浙江百事宝电器股份有限公司 | A kind of D.C. contactor |
-
2017
- 2017-01-09 CN CN201720036317.XU patent/CN206301709U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591284A (en) * | 2017-08-02 | 2018-01-16 | 浙江工业大学 | A kind of ball contactor comprising operation module |
| CN107591284B (en) * | 2017-08-02 | 2019-03-26 | 浙江工业大学 | A kind of ball-type contactor comprising operation module |
| CN109300743A (en) * | 2018-08-28 | 2019-02-01 | 浙江百事宝电器股份有限公司 | A kind of D.C. contactor |
| CN109300743B (en) * | 2018-08-28 | 2024-03-26 | 浙江百事宝电器股份有限公司 | DC contactor |
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