CN204809068U - Double break point DC electromagnetic contactor - Google Patents
Double break point DC electromagnetic contactor Download PDFInfo
- Publication number
- CN204809068U CN204809068U CN201520407290.1U CN201520407290U CN204809068U CN 204809068 U CN204809068 U CN 204809068U CN 201520407290 U CN201520407290 U CN 201520407290U CN 204809068 U CN204809068 U CN 204809068U
- Authority
- CN
- China
- Prior art keywords
- arc extinguishing
- electromagnetic contactor
- contact component
- contact
- breaking points
- 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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Abstract
The utility model discloses a double break point DC electromagnetic contactor, including excess voltage suppressor and electromagnet assembly, around being equipped with the coil, be provided with armature in the cavity of coil in the electromagnet assembly, the electromagnet assembly up end is provided with the base, is provided with two arc extinguishing units in the base, and every arc extinguishing unit is provided with the permanent magnet steel including the symmetrical arc extinguishing bars piece that sets up, arc extinguishing bars piece below, and arc extinguishing bars piece is connected with static contact component through the run -on plate, and the up end of armature has linkage unit through reciprocal spring coupling, and linkage unit is connected with the moving contact subassembly. The utility model discloses a double break point DC electromagnetic contactor guarantees in whole ambient temperature through coil design and excess voltage suppressor can reliable action, and main contact be two the tunnel and normally opens in addition, and the contact pattern be double break point direct action type bridge type contact, have out apart from, the excess of stroke is big and contact good characteristics, the mode of adoption arc extinguishing bars piece and permanent -magnet steel magnetic quenching can be divided rapidly and broken, the elongation, cooled off electric arc.
Description
Technical field
The utility model belongs to electromagnetic contactor technical field, is specifically related to a kind of double breaking points DC. current electromagnetic contactor.
Background technology
At present; D.C. contactor kind on market is based on Petersen coil arc extinguishing; owing to opening apart from little between this probe of contactor; arc-extinguish chamber and arc extinguishing grid pieces is very easily caused to burn in fragmentation procedure, damage; and this contactor is during use because abrasion resistance properties is poor, resistance fusion welding can be bad, often also can cause the generation of contact adhesion phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of double breaking points DC. current electromagnetic contactor, and the contact solving existing D.C. contactor is not wear-resistant, resistance fusion welding can be poor and owing to opening between contact apart from the little problem easily causing arc-extinguish chamber and arc extinguishing grid pieces to damage.
The technical scheme that the utility model adopts is: a kind of double breaking points DC. current electromagnetic contactor, comprise and be arranged at excess voltage suppressor on base and electromagnet assembly, coil is arranged with in electromagnet assembly, armature is provided with in the cavity of coil, electromagnet assembly upper surface is provided with pedestal, two arc extinguishing units are set in described pedestal, each arc extinguishing unit comprises and is symmetrically arranged with two groups of arc extinguishing grid pieces, often organize below arc extinguishing grid pieces and be provided with permanent-magnet steel, often organize arc extinguishing grid pieces and be connected with static contact component by run-on tab, static contact component extends pedestal outside, the upper surface of armature is connected with linkage unit by reciprocal spring, linkage unit is provided with moving contact component, moving contact component is positioned at the top of two static contact components, the upper surface of linkage unit is also connected with quick-action switch.
Feature of the present utility model is also,
The top of moving contact component is provided with upper encloser, and upper encloser two ends are connected with pedestal.
Coil employing diameter is 180 grades of tack polyester-imide enamel insulated round copper wire of 0.3mm.
The arc extinguishing grid pieces of pedestal and its inside is tight fit, avoids producing in arc extinguishing grid pieces use procedure rocking and noise.
The contact material of static contact component and moving contact component is AgSnO
2.
The model of quick-action switch is QKW7.
The beneficial effects of the utility model are: the contact that a kind of double breaking points DC. current electromagnetic contactor of the present utility model solves existing D.C. contactor is not wear-resistant, resistance fusion welding can be poor and owing to opening between contact apart from the little problem easily causing arc-extinguish chamber and arc extinguishing grid pieces to damage.A kind of double breaking points DC. current electromagnetic contactor of the present utility model guarantees energy action message in whole ambient temperature by coil design and excess voltage suppressor, and main contact is that two-way is often opened, contact patterns is double breaking points Direct Action Type bridge contact, there is out distance, the excess of stroke is large and contact excellent feature, arc extinguishing structure adopts the mode of arc extinguishing grid pieces and permanent-magnet steel magnetic quenching, can disjunction rapidly, elongation and cooling electric arc, and the contact material of contact adopts the AgSnO that wear-resistant, resistance fusion welding can be strong
2also enhance its useful life.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of a kind of double breaking points DC. current electromagnetic contactor of the present utility model;
Fig. 2 is the perspective view of a kind of double breaking points DC. current electromagnetic contactor of the present utility model.
In figure, 1. excess voltage suppressor, 2. electromagnet assembly, 3. armature, 4. coil, 5. static contact component, 6. permanent-magnet steel, 7. arc extinguishing grid pieces, 8. pedestal, 9. moving contact component, 10. quick-action switch, 11. upper enclosers, 12. linkage units, 13. run-on tabs.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The structure of a kind of double breaking points DC. current electromagnetic contactor that the utility model provides as depicted in figs. 1 and 2, comprise and be arranged at excess voltage suppressor 1 on base and electromagnet assembly 2, coil 4 is arranged with in electromagnet assembly 2, armature 3 is provided with in the cavity of coil 4, electromagnet assembly 2 upper surface is provided with pedestal 8, as shown in Figure 2, an arc extinguishing unit is respectively arranged with before and after in pedestal 8, each arc extinguishing unit comprises and is symmetrically arranged with two groups of arc extinguishing grid pieces 7, often organize below arc extinguishing grid pieces 7 and be provided with permanent-magnet steel 6, often organize arc extinguishing grid pieces 7 and be connected with static contact component 5 by run-on tab 13, it is outside that static contact component 5 extends pedestal 8, the upper surface of armature 3 is connected with linkage unit 12 by reciprocal spring, linkage unit 12 is provided with moving contact component 9, moving contact component 9 is positioned at the top of two static contact components 5, the upper surface of linkage unit 12 is also connected with quick-action switch 10.
The top of moving contact component 9 is provided with upper encloser 11, and upper encloser 11 two ends are connected with pedestal 8.
Coil 4 adopts diameter to be 180 grades of tack polyester-imide enamel insulated round copper wire of 0.3mm.
Pedestal 8 is tight fit with the arc extinguishing grid pieces 7 of its inside, avoids producing in arc extinguishing grid pieces 7 use procedure rocking and noise.
The contact material of static contact component 5 and moving contact component 9 is AgSnO
2.
The model of quick-action switch 10 is QKW7.
The structure of a kind of double breaking points DC. current electromagnetic contactor of the present utility model adopts coil 4 design and adopt excess voltage suppressor 1, makes its energy action message in whole ambient temperature range; Two arc extinguishing units of a kind of double breaking points DC. current electromagnetic contactor of the present utility model have two-way main contact, every road main contact is made up of two static contact components 5 and a moving contact component 9, when its control end is by a connection signal, armature 3 in magnetic loop is moved downward by reciprocal spring drive linkage unit 12 and moving contact component 9 is contacted with two static contact components 5, thus realize two-way main contact from often open become normally closed, simultaneously auxiliary contact is often opened and is become normally closed, and normally closed becoming often opens; When a kind of double breaking points DC. current electromagnetic contactor of the present utility model is by after a cut-off signal, moving contact component 9 carries the effect fast return of compression spring due to the reciprocal spring between armature 3 and linkage unit 12 and contact, contactor is often left from normally closed becoming, simultaneously auxiliary contact is often opened by normally closed being converted to, often open be converted to normally closed; Meanwhile, the closed and unlatching of the quick-action switch 10 that control can be driven coupled that moves up and down of linkage unit 12.The main contact of a kind of double breaking points DC. current electromagnetic contactor of the present utility model is that two-way is often opened, and every road main contact is made up of two static contact components 5 and a moving contact component 9, have out apart from large, contact reliable and stable advantage; Contact material adopts resistance fusion welding can better siller tin oxide contact, improves resistance fusion welding energy and the electric life of product; Arc extinguishing part adopts permanent-magnet steel and metal grid arc quenching method, can disjunction rapidly, elongation and cool electric arc, can the DC load of disjunction DC750V, 100A.
Claims (6)
1. a double breaking points DC. current electromagnetic contactor, it is characterized in that, comprise and be arranged at excess voltage suppressor (1) on base and electromagnet assembly (2), coil (4) is arranged with in described electromagnet assembly (2), armature (3) is provided with in the cavity of described coil (4), described electromagnet assembly (2) upper surface is provided with pedestal (8), two arc extinguishing units are set in described pedestal (8), each arc extinguishing unit comprises and is symmetrically arranged with two groups of arc extinguishing grid pieces (7), described arc extinguishing grid pieces (7) below of often organizing is provided with permanent-magnet steel (6), described arc extinguishing grid pieces (7) of often organizing is connected with static contact component (5) by run-on tab (13), it is outside that described static contact component (5) extends pedestal (8), the upper surface of described armature (3) is connected with linkage unit (12) by reciprocal spring, described linkage unit (12) is provided with moving contact component (9), described moving contact component (9) is positioned at the top of two static contact components (5), the upper surface of described linkage unit (12) is also connected with quick-action switch (10).
2. a kind of double breaking points DC. current electromagnetic contactor as claimed in claim 1, it is characterized in that, the top of described moving contact component (9) is provided with upper encloser (11), and described upper encloser (11) two ends are connected with pedestal (8).
3. a kind of double breaking points DC. current electromagnetic contactor as claimed in claim 1, is characterized in that, described coil (4) employing diameter is 180 grades of tack polyester-imide enamel insulated round copper wire of 0.3mm.
4. a kind of double breaking points DC. current electromagnetic contactor as claimed in claim 1, it is characterized in that, described pedestal (8) is tight fit with the arc extinguishing grid pieces (7) of its inside, avoids producing in arc extinguishing grid pieces (7) use procedure rocking and noise.
5. a kind of double breaking points DC. current electromagnetic contactor as claimed in claim 1, is characterized in that, the contact material of described static contact component (5) and moving contact component (9) is AgSnO
2.
6. a kind of double breaking points DC. current electromagnetic contactor as claimed in claim 1, is characterized in that, the model of described quick-action switch (10) is QKW7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407290.1U CN204809068U (en) | 2015-06-12 | 2015-06-12 | Double break point DC electromagnetic contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407290.1U CN204809068U (en) | 2015-06-12 | 2015-06-12 | Double break point DC electromagnetic contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809068U true CN204809068U (en) | 2015-11-25 |
Family
ID=54593848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520407290.1U Expired - Fee Related CN204809068U (en) | 2015-06-12 | 2015-06-12 | Double break point DC electromagnetic contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204809068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109935499A (en) * | 2019-04-26 | 2019-06-25 | 上海立新电器控制设备有限公司 | A kind of contact assembly and the towing vehicle DC. current electromagnetic contactor using it |
| CN115172104A (en) * | 2022-08-26 | 2022-10-11 | 天津加美特电气股份有限公司 | Bridge type double-breakpoint contactor and breaker |
-
2015
- 2015-06-12 CN CN201520407290.1U patent/CN204809068U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109935499A (en) * | 2019-04-26 | 2019-06-25 | 上海立新电器控制设备有限公司 | A kind of contact assembly and the towing vehicle DC. current electromagnetic contactor using it |
| CN115172104A (en) * | 2022-08-26 | 2022-10-11 | 天津加美特电气股份有限公司 | Bridge type double-breakpoint contactor and breaker |
| CN115172104B (en) * | 2022-08-26 | 2024-03-29 | 天津加美特电气股份有限公司 | Bridge type double-breakpoint contactor and breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20190612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |