CN204792625U - Three -phase AC contactor - Google Patents
Three -phase AC contactor Download PDFInfo
- Publication number
- CN204792625U CN204792625U CN201520468092.6U CN201520468092U CN204792625U CN 204792625 U CN204792625 U CN 204792625U CN 201520468092 U CN201520468092 U CN 201520468092U CN 204792625 U CN204792625 U CN 204792625U
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- China
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- assembly
- fixed
- mounting panel
- moving contact
- contactor
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Abstract
The utility model provides a three -phase AC contactor, the auxiliary contact system passes through support and connector fixed connection, the connector is fixed on the mounting panel, the lower extreme of auxiliary contact system is fixed in the upper end of electromagnet assembly, the mounting panel is fixed in the lower extreme of electromagnet assembly, spring and movable contact subassembly are installed on the bracing piece, the both ends at the support frame are fixed respectively to the bracing piece, the middle part cover of support frame is on the core bar, spring, insulating bush and movable contact subassembly are still installed to the bottom of core bar. The utility model discloses the main contacts adopts the double break dot structure, and main contacts terminal surface and the certain contained angle of movable contact direction of motion one -tenth, and this kind of structure can improve the contact force of contact under the certain condition of electromagnetic attraction, the electromagnetic system size can also be reduced, product weight is alleviateed, the main contacts outer joint adopts busbar installation form, and easy dismounting is maintained to the product snap -on during installation on the busbar mounting base.
Description
Technical field
The utility model relates to a kind of three-phase ac contactor, is specifically related to the mounted three-phase ac contactor of a kind of busbar.
Background technology
Contactor is widely used in cut-offfing of the power control system such as Aeronautics and Astronautics, boats and ships and handoff functionality.Along with the lifting of national science and technology progress and weaponry ability, large to load, volume is little, lightweight, long-life proposes requirements at the higher level, and require easy for installation.The general load weight of traditional contactor is than little, and life-span number of times is relatively short etc., can not meet novel Combat Aircraft Technology requirement, and its relevant technical characterstic is as follows:
1) general common contact device load weight ratio is 0.076 ~ 0.118A/g, and for aircraft, weight own too heavily will affect the payload of aircraft.
2) general common contact device needs to install fixed contact, by cable or Bus Tie Contactor binding post, installs and removes inconvenience, affects maintenance support time and efficiency.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of three-phase ac contactor.
The utility model is achieved by the following technical programs.
A kind of three-phase ac contactor that the utility model provides, comprise electromagnet assembly, bracing frame, mounting panel, support bar, lid, spring, insulating bushing, moving contact assembly, connector, support, auxiliary contact system, core bar and busbar assembly, described auxiliary contact system is fixedly connected with connector by support, and described connector is fixing on a mounting board; The upper end of electromagnet assembly is fixed in the lower end of described auxiliary contact system, and described mounting panel is fixed on the lower end of electromagnet assembly; Described spring and moving contact assembly are arranged on support bar, and described support bar is separately fixed at the two ends of bracing frame; The middle part of support frame as described above is enclosed within core bar, and the bottom of described core bar is also provided with spring, insulating bushing and moving contact assembly; Described busbar assembly is fixing on a mounting board, and main contacts on described busbar assembly is corresponding with the moving contact position on moving contact assembly, and described lid is fixed on the lower end of mounting panel.
Angle between the installation end face of the moving contact on the installation end face of the main contacts on described busbar assembly, moving contact assembly and core bar is respectively 45 ° ~ 70 °.
The installation end of described busbar assembly stretches out by mounting panel and covers the containment portion formed.
Also comprise mount pad, mount pad comprises construction bolt, base and screw-thread bush, and construction bolt is arranged on screw-thread bush, is also inlaid with base in the blind hole at screw-thread bush two ends.
The beneficial effects of the utility model are: main contacts adopt double-breakpoint structure, and main contacts end face and the moving contact direction of motion at a certain angle, this structure, when electromagnetic attraction is certain, can improve the contact of contact; Or when ensureing contact force, electromagnetic system size can be reduced, alleviate product weight.Main contacts connects employing busbar installation form outward, and during installation, product is directly fixed on busbar mounting base, maintenance easy accessibility; Under the prerequisite of equal-wattage, reduce small product size and weight, load weight ratio is promoted to 0.335A/g; The number of times in useful life of product reaches more than 30000 times; Effective raising maintenance support time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the structural representation of busbar assembly in Fig. 2;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of moving contact assembly in Fig. 2;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the structural representation of the utility model mount pad;
Fig. 8 is the vertical view of Fig. 7;
In figure: 1-electromagnet assembly, 101-iron core, 2-bracing frame, 3-mounting panel, 4-support bar, 5-covers, 6-split washer, 7-pad, 8-spring, 9-insulating bushing, 10-moving contact assembly, 11-screw A, 12-connector, 13-support, 14-auxiliary contact system, 15-core bar, 16-screw B, 17-busbar assembly, 18-mounting screw, 19-construction bolt, 20-base, 21-screw-thread bush.
Embodiment
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
A kind of three-phase ac contactor as shown in Fig. 1 ~ Fig. 8, comprise electromagnet assembly 1, bracing frame 2, mounting panel 3, support bar 4, lid 5, spring 8, insulating bushing 9, moving contact assembly 10, connector 12, support 13, auxiliary contact system 14, core bar 15 and busbar assembly 17, described auxiliary contact system 14 is fixedly connected with connector 12 by support 13, and described connector 12 is fixed on mounting panel 3; The upper end of electromagnet assembly 1 is fixed in the lower end of described auxiliary contact system 14, and described mounting panel 3 is fixed on the lower end of electromagnet assembly 1; Described spring 8 and moving contact assembly 10 are arranged on support bar 4, and described support bar 4 is separately fixed at the two ends of bracing frame 2; The middle part of support frame as described above 2 is enclosed within core bar 15, and the bottom of described core bar 15 is also provided with spring 8, insulating bushing 9 and moving contact assembly 10; Described busbar assembly 17 is fixed on mounting panel 3, and main contacts on described busbar assembly 17 is corresponding with the moving contact position on moving contact assembly 10, and described lid 5 is fixed on the lower end of mounting panel 3.
Angle between the installation end face of the moving contact on the installation end face of the main contacts on described busbar assembly 17, moving contact assembly 10 and core bar 15 is respectively 45 ° ~ 70 °.The installation end of described busbar assembly 17 stretches out the containment portion be made up of mounting panel 3 and lid 5.
Also comprise mount pad, mount pad comprises construction bolt 19, base 20 and screw-thread bush 21, and construction bolt 19 is arranged on screw-thread bush 21, is also inlaid with base 20 in the blind hole at screw-thread bush 21 two ends.Contactor in actual use, is fixedly mounted on mount pad by mounting screw 18 by the utility model.
The utility model contactor, main contacts adopt double-breakpoint structure, and main contacts end face and the moving contact direction of motion at a certain angle, this structure, when electromagnetic attraction is certain, can improve the contact of contact; Or when ensureing contact force, electromagnetic system size can be reduced, alleviate product weight.Main contacts connects employing busbar installation form outward, and during installation, product is directly fixed on busbar mounting base, maintenance easy accessibility.
Claims (4)
1. a three-phase ac contactor, comprise electromagnet assembly (1), bracing frame (2), mounting panel (3), support bar (4), lid (5), spring (8), insulating bushing (9), moving contact assembly (10), connector (12), support (13), auxiliary contact system (14), core bar (15) and busbar assembly (17), described auxiliary contact system (14) is fixedly connected with connector (12) by support (13), described connector (12) is fixed on mounting panel (3), it is characterized in that: the upper end of electromagnet assembly (1) is fixed in the lower end of described auxiliary contact system (14), described mounting panel (3) is fixed on the lower end of electromagnet assembly (1), described spring (8) and moving contact assembly (10) are arranged on support bar (4), and described support bar (4) is separately fixed at the two ends of bracing frame (2), the middle part of support frame as described above (2) is enclosed within core bar (15), and the bottom of described core bar (15) is also provided with spring (8), insulating bushing (9) and moving contact assembly (10), described busbar assembly (17) is fixed on mounting panel (3), and main contacts on described busbar assembly (17) is corresponding with the moving contact position on moving contact assembly (10), described lid (5) is fixed on the lower end of mounting panel (3).
2. three-phase ac contactor as claimed in claim 1, is characterized in that: the angle between the installation end face of the moving contact on the installation end face of the main contacts on described busbar assembly (17), moving contact assembly (10) and core bar (15) is respectively 45 ° ~ 70 °.
3. three-phase ac contactor as claimed in claim 1, is characterized in that: the installation end of described busbar assembly (17) stretches out the containment portion be made up of mounting panel (3) and lid (5).
4. as the three-phase ac contactor as described in arbitrary in claims 1 to 3, it is characterized in that: also comprise mount pad, mount pad comprises construction bolt (19), base (20) and screw-thread bush (21), construction bolt (19) is arranged on screw-thread bush (21), is also inlaid with base (20) in the blind hole at screw-thread bush (21) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468092.6U CN204792625U (en) | 2015-07-02 | 2015-07-02 | Three -phase AC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468092.6U CN204792625U (en) | 2015-07-02 | 2015-07-02 | Three -phase AC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204792625U true CN204792625U (en) | 2015-11-18 |
Family
ID=54532624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520468092.6U Active CN204792625U (en) | 2015-07-02 | 2015-07-02 | Three -phase AC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204792625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666175A (en) * | 2018-06-15 | 2018-10-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of contactor of double magnetic circuit system |
-
2015
- 2015-07-02 CN CN201520468092.6U patent/CN204792625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666175A (en) * | 2018-06-15 | 2018-10-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of contactor of double magnetic circuit system |
| CN108666175B (en) * | 2018-06-15 | 2019-05-24 | 贵州振华群英电器有限公司（国营第八九一厂） | A kind of contactor of double magnetic circuit system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |