CN101964278B - Electromagnetic switch for starter - Google Patents
Electromagnetic switch for starter Download PDFInfo
- Publication number
- CN101964278B CN101964278B CN201010524558.1A CN201010524558A CN101964278B CN 101964278 B CN101964278 B CN 101964278B CN 201010524558 A CN201010524558 A CN 201010524558A CN 101964278 B CN101964278 B CN 101964278B
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- starter
- auxiliary contact
- switch cover
- sucking coil
- terminal screw
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Abstract
The invention discloses an electromagnetic switch for a starter, which comprises a movable core, a sucking coil, a holding coil and a switch cover. One end of the movable core is provided with a movable contact plate and a first restoring spring in turn; the switch cover is provided with a storage battery terminal screw and a starter terminal screw; an auxiliary contact plate and an auxiliary contact are arranged in the switch cover by matching the movable contact plate; a second restoring spring is arranged between the auxiliary contact plate and the switch cover; the auxiliary contact is electrically connected with the sucking coil; and the starter terminal screw is electrically connected with the auxiliary contact through a connecting piece. A double-layer contact plate structure is adopted in the electromagnetic switch for the starter; and during work, a circuit of the tail end of the sucking coil and the starter can be automatically cut off to prevent the sucking coil of the electromagnetic switch from overcurrent, heating and corrosion due to the poor contact of the electromagnetic switch at a main contact or overlong working time when the starter withstands a gear, and the use safety and reliability of the electromagnetic switch are high and the service life of the electromagnetic switch is long.
Description
Technical field
The present invention relates to a kind of electromagnetic switch, especially a kind of starter relay effectively prevented because of sucking coil overcurrent heating ablation.
Background technology
At present, existing starter relay refers to shown in Fig. 1, Fig. 1 is the structural representation of traditional starter relay, it comprises dynamic iron core 10 and the sucking coil 11 be set in turn in outside dynamic iron core 10 and hold-in winding 12, one end of described dynamic iron core 10 is disposed with movable contact spring 13 and back-moving spring 14, described movable contact spring 13 and back-moving spring 14 are outside equipped with switch cover 15, described switch cover 15 is provided with terminal screw 16, its operation principle is, when sucking coil 11 and hold-in winding 12 produce flow direction identical time, its electromagnetic attraction superposes mutually, dynamic iron core 10 can be attracted to move forward, until the movable contact spring 13 of push rod front end and terminal screw 16 are connected, make the main circuit connection work of starter, after switch movable contact sheet 13 is energized starter work, the operating voltage of starter and switch sucking coil 11 balance of voltage, sucking coil 11 does not work automatically, by the confining force work of hold-in winding 12, when electric door lock power-off, switch moves iron core 10 and automatically resets under the effect of back-moving spring 15, movable contact spring 13 and terminal screw 16 disconnect, the main circuit of starter also disconnects, this connected mode is sucking coil 11 link circuit ground connection inner with starter, during electromagnetic switch work, movable contact spring 13 and terminal screw 16 contact closed smoothly, switch sucking coil will quit work automatically, but, if the starter operating time is long, movable contact spring 13 and terminal screw 16 loose contact or starter generation apical tooth overlong time all can produce electromagnetic switch sucking coil 11 ablation, starter relay is caused to use.
Summary of the invention
The object of the present invention is to provide a kind of starter relay, it is simple that it has structure, can effectively prevent because attracting the heating ablation of line chart overcurrent and the high feature of security reliability.
The object of the invention is to be achieved through the following technical solutions:
A kind of starter relay, it comprises dynamic iron core and the sucking coil be set in turn in outside dynamic iron core and hold-in winding, one end of described dynamic iron core is disposed with movable contact spring and the first elastic component, described movable contact spring and the first elastic component are outside equipped with switch cover, the arranged outside of described movable contact spring has push rod, described switch cover is provided with storage battery terminal screw and starter terminal screw, wherein, coordinate movable contact spring in switch cover, be provided with auxiliary contact and auxiliary contact, described auxiliary contact and sucking coil are electrically connected, described starter terminal screw is electrically connected by auxiliary contact and auxiliary contact, the second elastic component is provided with between described auxiliary contact and switch cover.
Described first elastic component and the second elastic component are spring.
Described starter terminal screw is electrically connected by brace and auxiliary contact, the sucking coil leading-out terminal described switch cover being provided with coil end of incoming cables and being electrically connected with brace.
Beneficial effect of the present invention is, described starter relay inside adopts double-deck contact plate structure, namely auxiliary contact and auxiliary contact are had additional, during work, automatically sucking coil end and starter loop can be disconnected, to prevent electromagnetic switch operating time when main contacts loose contact or starter apical tooth long, big current needed for starter work is assisted starter by the loop of electromagnetic switch sucking coil and starter, cause electromagnetic switch sucking coil overcurrent heating ablation, not only structure is simple, and security reliability is high, long service life.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is the structural representation of traditional starter relay;
Fig. 2 is the structural representation of starter relay of the present invention;
Fig. 3 is the winding diagram of the switch cover of starter relay of the present invention;
Fig. 4 is the another winding diagram of the switch cover of starter relay of the present invention;
Circuit diagram when Fig. 5 is starter relay of the present invention work.
Embodiment
Please refer to shown in Fig. 2 and Fig. 3, Fig. 2 is the structural representation of starter relay of the present invention; Fig. 3 is the winding diagram of the switch cover of starter relay of the present invention.
A kind of starter relay, it comprises dynamic iron core 20 and the sucking coil 21 be set in turn in outside dynamic iron core 20 and hold-in winding 22, one end of described dynamic iron core 20 is provided with movable contact spring 23 and the first back-moving spring 24, described movable contact spring 23 and the first back-moving spring 24 are outside equipped with switch cover 25, and the arranged outside of described movable contact spring 23 has push rod 26, described switch cover 25 is provided with storage battery terminal screw 4 and starter terminal screw 5, coordinate movable contact spring 23 in switch cover 25, be provided with auxiliary contact 27 and auxiliary contact 28, the second back-moving spring 3 is provided with between described auxiliary contact 27 and switch cover 25, described auxiliary contact 28 are electrically connected with sucking coil 21, described starter terminal screw 5 is electrically connected with auxiliary contact 28 by auxiliary contact 27, in the present embodiment, the outer brace 7 of described sucking coil is arranged at outside switch cover 25, and the sucking coil leading-out terminal 8 that described switch cover 25 is also provided with coil end of incoming cables 6 and is electrically connected with outer brace 7, during energising, sucking coil 21 and hold-in winding 22 produce flow direction identical time, its electromagnetic attraction superposes mutually, dynamic iron core 20 can be attracted to move forward, movable contact spring 23 and storage battery terminal screw 4 and starter terminal screw 5 is caused to be connected, simultaneously, promote auxiliary contact 27 by the push rod 26 of movable contact spring 23 one end and depart from auxiliary contact 28, after key door power-off, under relying on the effect of the first back-moving spring 24, movable contact spring 23 departs from storage battery terminal screw 4 and starter terminal screw 5, under relying on the second back-moving spring 3 to act on simultaneously, auxiliary contact 27 contacts with auxiliary contact 28.
Refer to shown in Fig. 2 and Fig. 4, Fig. 4 is the another winding diagram of the switch cover of starter relay of the present invention; In the present embodiment, the outer brace 7 of described sucking coil is arranged at outside switch cover 25, described starter terminal screw 5 is electrically connected with sucking coil 21 and auxiliary contact 28 by outer brace 7, and the sucking coil leading-out terminal 8 that described switch cover 25 is also provided with coil end of incoming cables 6 and is electrically connected with outer brace 7.
Refer to shown in Fig. 2 and Fig. 5, circuit diagram when Fig. 5 is starter relay of the present invention work, during work, ignition switch K1 closes, when sucking coil N2 and hold-in winding N1 generation flow direction is identical, its electromagnetic attraction superposes mutually, dynamic iron core 20 can be attracted to move forward, movable contact spring 23 and storage battery terminal screw 4 and starter terminal screw 5 is caused to be connected, namely K switch 2 is connected, meanwhile, under the effect of push rod 26, auxiliary contact 27 and auxiliary contact 28 disconnect, namely auxiliary switch K3 disconnects, also the loop of sucking coil N2 end and starter M is just automatically disconnected, to prevent electromagnetic switch operating time when main contacts loose contact or starter M apical tooth long, big current needed for being worked by starter M assists starter M by the loop of electromagnetic switch sucking coil N2 and starter M, cause electromagnetic switch sucking coil N2 overcurrent heating ablation, not only structure is simple, and relative to existing for traditional electrical magnetic switch sucking coil heating ablation defect, increase burn-out proof auxiliary contact connected mode electromagnetic switch can 100% the ablation preventing sucking coil, substantially increase the quality of safeguard protection to electromagnetic switch and starter.
Claims (3)
1. a starter relay, it comprises dynamic iron core and the sucking coil be set in turn in outside dynamic iron core and hold-in winding, one end of described dynamic iron core is disposed with movable contact spring and the first elastic component, described movable contact spring and the first elastic component are outside equipped with switch cover, the arranged outside of described movable contact spring has push rod, described switch cover is provided with storage battery terminal screw and starter terminal screw, it is characterized in that: coordinate movable contact spring in switch cover, be provided with auxiliary contact and auxiliary contact, described auxiliary contact and sucking coil are electrically connected, described starter terminal screw is electrically connected by auxiliary contact and auxiliary contact, the second elastic component is provided with between described auxiliary contact and switch cover.
2. starter relay according to claim 1, is characterized in that: described first elastic component and the second elastic component are spring.
3. the starter relay according to any one of claim 1 or 2, it is characterized in that: described starter terminal screw is electrically connected by brace and auxiliary contact, the sucking coil leading-out terminal described switch cover being provided with coil end of incoming cables and being electrically connected with brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010524558.1A CN101964278B (en) | 2010-10-29 | 2010-10-29 | Electromagnetic switch for starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010524558.1A CN101964278B (en) | 2010-10-29 | 2010-10-29 | Electromagnetic switch for starter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101964278A CN101964278A (en) | 2011-02-02 |
| CN101964278B true CN101964278B (en) | 2014-12-31 |
Family
ID=43517119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010524558.1A Active CN101964278B (en) | 2010-10-29 | 2010-10-29 | Electromagnetic switch for starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101964278B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013225174A1 (en) | 2013-12-06 | 2015-06-25 | Robert Bosch Gmbh | Electric lifting magnet, electric machine and method for producing a lifting magnet |
| FR3041810B1 (en) * | 2015-09-24 | 2018-11-16 | Radiall Sa | FRICTION-FREE SWITCHING DEVICE FOR OPENING AND CLOSING AN ELECTRIC LINE WITH IMPROVED IMPROVED MANEUVER |
| CN106252157A (en) * | 2016-08-31 | 2016-12-21 | 宁波永的电子科技有限公司 | The control circuit of a kind of high-voltage relay, system and method |
| CN106449279B (en) * | 2016-10-26 | 2019-01-01 | 厦门宏发电力电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN109427509B (en) * | 2017-09-04 | 2020-08-25 | 比亚迪股份有限公司 | Relay with a movable contact |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464943A (en) * | 2001-07-10 | 2003-12-31 | 瓦莱奥电机设备公司 | Starter for a motor vehicle |
| US7034643B1 (en) * | 2005-03-22 | 2006-04-25 | Mitsubishi Denki Kabushiki Kaisha | Electromagnetic starter switch |
| CN101113711A (en) * | 2006-07-26 | 2008-01-30 | 株式会社电装 | Demarreur ayant un commutateur electromagnetique minimise |
| CN201877368U (en) * | 2010-10-29 | 2011-06-22 | 无锡市闽仙汽车电器有限公司 | Electromagnetic switch of starter |
-
2010
- 2010-10-29 CN CN201010524558.1A patent/CN101964278B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464943A (en) * | 2001-07-10 | 2003-12-31 | 瓦莱奥电机设备公司 | Starter for a motor vehicle |
| US7034643B1 (en) * | 2005-03-22 | 2006-04-25 | Mitsubishi Denki Kabushiki Kaisha | Electromagnetic starter switch |
| CN101113711A (en) * | 2006-07-26 | 2008-01-30 | 株式会社电装 | Demarreur ayant un commutateur electromagnetique minimise |
| CN201877368U (en) * | 2010-10-29 | 2011-06-22 | 无锡市闽仙汽车电器有限公司 | Electromagnetic switch of starter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101964278A (en) | 2011-02-02 |
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Effective date of registration: 20190417 Address after: 214000 Yuqi supporting area, Huishan Economic Development Zone, Wuxi, Jiangsu Patentee after: Jiangsu Minxian Electric Drive Technology Co., Ltd. Address before: 214183 Yuqizhen Industrial Park, Huishan District, Wuxi City, Jiangsu Province (Wuxi Minxian Automotive and Electrical Co., Ltd.) Patentee before: Wuxi Vehicle Electric Equipment Co., Ltd. |
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