CN204230166U - A kind of contactor - Google Patents
A kind of contactor Download PDFInfo
- Publication number
- CN204230166U CN204230166U CN201420604501.6U CN201420604501U CN204230166U CN 204230166 U CN204230166 U CN 204230166U CN 201420604501 U CN201420604501 U CN 201420604501U CN 204230166 U CN204230166 U CN 204230166U
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- Prior art keywords
- contact
- core
- fixed
- movable
- supporting bracket
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Abstract
The utility model discloses a kind of contactor, comprise iron core and main contact, described iron core is E shape iron core, described iron core comprises movable core and secured core, secured core is provided with coil, described main contact comprises reverse spring one, supporting bracket one, movable contact one and fixed contact one, a described movable contact one is connected with two fixed contacts one, described movable contact one is vertically fixed in supporting bracket one by reverse spring one, described supporting bracket one is fixed on movable core, described main contact side is provided with auxiliary contact, described auxiliary contact comprises reverse spring two, supporting bracket two, movable contact two and fixed contact two, a described movable contact two is connected with two fixed contacts two, described movable contact two is vertically fixed in supporting bracket two, described supporting bracket two is fixed on movable core, this contactor utilizes coil to flow through current induced magnetic field, contact closure is made to carry out control load.
Description
Technical field
The utility model relates to a kind of contactor.
Background technology
In electrotechnics; because fast shut-off can exchange with direct current major loop and the device controlling (some type can reach 800 amperes) circuit with big current can be connected continually; also can be used as controlling work factory and establish electrical load such as standby ﹑ electricity hot device ﹑ machine-tool and various kinds electric power unit etc. as control system so often apply to motor resembling ﹐; contactor can not only be connected and cut off circuit; but also there is the effect of low-voltage release guard; contactor control capability is large, is applicable to frequent operation and far distance controlled.It is one of critical elements in automatic control system.
A.C. contactor utilizes main contact to carry out opening and closing circuit, conducting control loop is carried out with auxiliary contact, main contact is generally normal opened contact, and auxiliary contact often has two pairs of normal opened contacts and normally closed contact, small-sized contactor is also frequent coordinates main circuit to use as auxiliary relay, the contact of A.C. contactor, be made up of silver tungsten, there is good conductivity and high temperature resistant ablative, the power of A.C. contactor action comes from the magnetic field exchanging and produced by ribbon core coil, electromagnetic core is built up by the young silicon steel sheet of two " mountain " fonts, one of them secured core, cover has coil, operating voltage can multiple choices.In order to make magnetic force stablize, the adhesive face of iron core adds short-circuited conducting sleeve.A.C. contactor is after dead electricity; rely on spring reset; second half is movable core; construct the same with secured core; in order to drive the closed disconnection of main contact and auxiliary contact, the contactor of more than 20 amperes is added with arc-extinguish chamber, the electromagnetic force produced when utilizing circuit to disconnect; break electric arc fast, protection contact.Contact utensil can high frequencies of operation, 1200 times per hour can be reached as electric power starting and the highest frequency of operation of cutting-off controlling Shi ﹐, the very high ﹐ in useful life of contactor is generally millions of times to 10,000,000 times mechanical endurance, and electric life is then generally hundreds thousand of times to millions of times.
But Contactor Starting electric current is in the market large, once be stuck very easily burn coil, volume is very large simultaneously, installs inconvenient.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of contactor, easy to use, is provided with multiple contact and back-moving spring and prevents to block and burn phenomenon, can the protective circuit of long-time stable.
For solving the problem, the utility model adopts following technical scheme: comprise iron core and main contact, described iron core is E shape iron core, be conducive to producing electromagnetic force, main contact at big current through out-of-date, keep connecting, described iron core comprises movable core and secured core, secured core is provided with coil, described main contact comprises reverse spring one, supporting bracket one, movable contact one and fixed contact one, a described movable contact one is connected with two fixed contacts one, described movable contact one is vertically fixed in supporting bracket one by reverse spring one, described supporting bracket one is fixed on movable core, described main contact side is provided with auxiliary contact, auxiliary contact keeps in touch through out-of-date at small area analysis, described auxiliary contact comprises reverse spring two, supporting bracket two, movable contact two and fixed contact two, a described movable contact two is connected with two fixed contacts two, described movable contact two is vertically fixed in supporting bracket two, described supporting bracket two is fixed on movable core.
As preferably, described auxiliary contact is provided with two or more, can increase contact, makes circuit more stable.
As preferably, between described movable core and secured core, be separated with more than 5mm mutually, make can be combined normally under the electromagnetic force effect of flying.
As preferably, described iron core is more than five layers and arranges, and makes the magnetic force that produces larger.
As preferably, be mutually permanently connected between described iron core, ensure that iron core can be integrally.
The beneficial effects of the utility model are: firm and durable, are provided with multiple contact and back-moving spring and prevent to block and burn phenomenon, can the protective circuit of long-time stable, and suction is large, inhales dynamic reliable.Owing to being directly drive with exchanging, wiring is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of contactor of the present utility model.
Embodiment
Consult shown in Fig. 1: a kind of contactor, comprise iron core 1 and main contact 2, described iron core 1 is E shape iron core, described iron core 1 comprises movable core 3 and secured core 4, secured core 4 is provided with coil 5, described main contact 2 comprises reverse spring 1, supporting bracket 1, movable contact 1 and fixed contact 1, a described movable contact 1 is connected with two fixed contacts 1, described movable contact 1 is vertically fixed in supporting bracket 7 one by reverse spring 6 one, described supporting bracket 7 one is fixed on movable core 3, in use, after contactor coil 5 is energized, coil 5 electric current can produce magnetic field, the magnetic field produced makes secured core 4 produce electromagnetic attraction attraction movable core 3, and drive contactor on-off action, movable contact 1 and moving contact 2 13 disconnect, fixed contact 1 and fixed contact 2 14 close, both are interlocks, when the coil is de-energized, electromagnetic attraction disappears, movable core 3 discharges under the effect of retracting spring, contact is restored, fixed contact 1 and fixed contact 2 14 disconnect, movable contact 1 and moving contact 2 13 close, described main contact 2 side is provided with auxiliary contact 10, described auxiliary contact 10 comprises reverse spring 2 11, supporting bracket 2 12, movable contact 2 13 and fixed contact 2 14, a described movable contact two is connected with two fixed contacts two, described movable contact 2 13 is vertically fixed in supporting bracket 2 12, described supporting bracket 2 12 is fixed on movable core 3.
Described auxiliary contact 10 is provided with two or more, in use, and can synchronous working between auxiliary contact 10.
Be separated with more than 5mm mutually between described movable core 3 and secured core 4, spacing distance can be decided according to the demand of reality.
Described iron core 1 is more than five layers and arranges, and the demand according to reality decides the number of plies.
Be mutually permanently connected between described iron core 1.
In use, after contactor coil 5 is energized, coil 5 electric current can produce magnetic field, the magnetic field produced makes secured core 4 produce electromagnetic attraction attraction movable core 3, and drive contactor on-off action, movable contact 1 and moving contact 2 13 disconnect, fixed contact 1 and fixed contact 2 14 close, both are interlocks, and when the coil is de-energized, electromagnetic attraction disappears, movable core 3 discharges under the effect of retracting spring, contact is restored, and fixed contact 1 and fixed contact 2 14 disconnect, and movable contact 1 and moving contact 2 13 close.
The beneficial effects of the utility model are: firm and durable, are provided with multiple contact and back-moving spring and prevent to block and burn phenomenon, can the protective circuit of long-time stable, and suction is large, inhales dynamic reliable.Owing to being directly drive with exchanging, wiring is simple.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection range of the present utility model; therefore, the protection range that protection range of the present utility model should limit with claims is as the criterion.
Claims (5)
1. a contactor, it is characterized in that: comprise iron core and main contact, described iron core is E shape iron core, described iron core comprises movable core and secured core, secured core is provided with coil, described main contact comprises reverse spring one, supporting bracket one, movable contact one and fixed contact one, a described movable contact one is connected with two fixed contacts one, described movable contact one is vertically fixed in supporting bracket one by reverse spring one, described supporting bracket one is fixed on movable core, described main contact side is provided with auxiliary contact, described auxiliary contact comprises reverse spring two, supporting bracket two, movable contact two and fixed contact two, a described movable contact two is connected with two fixed contacts two, described movable contact two is vertically fixed in supporting bracket two, described supporting bracket two is fixed on movable core.
2. contactor according to claim 1, is characterized in that: described auxiliary contact is provided with two or more.
3. contactor according to claim 1, is characterized in that: be separated with more than 5mm mutually between described movable core and secured core.
4. contactor according to claim 1, is characterized in that: described iron core is more than five layers and arranges.
5. contactor according to claim 4, is characterized in that: be mutually permanently connected between described iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604501.6U CN204230166U (en) | 2014-10-20 | 2014-10-20 | A kind of contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604501.6U CN204230166U (en) | 2014-10-20 | 2014-10-20 | A kind of contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230166U true CN204230166U (en) | 2015-03-25 |
Family
ID=52928232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420604501.6U Expired - Fee Related CN204230166U (en) | 2014-10-20 | 2014-10-20 | A kind of contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204230166U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107851544A (en) * | 2016-01-27 | 2018-03-27 | 富士电机机器制御株式会社 | Contact making device and the electromagnetic contactor using the contact making device |
| CN108847342A (en) * | 2018-06-29 | 2018-11-20 | 浙江法拉迪电气有限公司 | Rural power grids, which are irrigated, uses transformer vacuum voltage-regulating system |
| CN111508776A (en) * | 2020-03-13 | 2020-08-07 | 浙江城电电气有限公司 | AC contactor |
-
2014
- 2014-10-20 CN CN201420604501.6U patent/CN204230166U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107851544A (en) * | 2016-01-27 | 2018-03-27 | 富士电机机器制御株式会社 | Contact making device and the electromagnetic contactor using the contact making device |
| CN107851544B (en) * | 2016-01-27 | 2019-06-07 | 富士电机机器制御株式会社 | Contact making device and the electromagnetic contactor for using the contact making device |
| CN108847342A (en) * | 2018-06-29 | 2018-11-20 | 浙江法拉迪电气有限公司 | Rural power grids, which are irrigated, uses transformer vacuum voltage-regulating system |
| CN108847342B (en) * | 2018-06-29 | 2021-06-22 | 浙江法拉迪电气有限公司 | Transformer vacuum pressure regulating system for rural power grid irrigation |
| CN111508776A (en) * | 2020-03-13 | 2020-08-07 | 浙江城电电气有限公司 | AC contactor |
| CN111508776B (en) * | 2020-03-13 | 2022-06-24 | 安德利集团有限公司 | AC contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151207 Address after: 325103, Zhejiang, Wenzhou province Yongjia County Town Industrial Zone Patentee after: ZHEJIANG JIUKANG ELECTRIC Co.,Ltd. Address before: South of the Five Ridges Industrial Park, Shiling Town, Huadu District of Guangzhou City, Guangdong province 510800 Patentee before: Li Cong |
|
| 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: 20150325 |