CN101807492A - Large-current relay - Google Patents
Large-current relay Download PDFInfo
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- CN101807492A CN101807492A CN 201010133933 CN201010133933A CN101807492A CN 101807492 A CN101807492 A CN 101807492A CN 201010133933 CN201010133933 CN 201010133933 CN 201010133933 A CN201010133933 A CN 201010133933A CN 101807492 A CN101807492 A CN 101807492A
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- armature
- input terminal
- terminal
- movable contact
- connecting portion
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Abstract
The invention relates to a large-current relay comprising an electromagnetic system, a contact system, a base and a cover shell, wherein the electromagnetic system comprises a yoke, an armature, a coil and an iron core; the contact system comprises a movable contact spring, a coiling-in terminal and a coiling-out terminal; and the movable contact spring is fixedly connected with the armature and comprises a first joint and a second joint, the first joint is fitted with the armature, the second joint extends out of the armature, two movable contacts are distributed on the second joint and are connected by a copper braided wire, fixed contacts are respectively arranged on the coiling-in terminal and the coiling-out terminal, and the two movable contacts and the two fixed contacts are opposite one to one. When the coil is closed, the armature drives the movable contact spring to move, load current flows through the coiling-in terminal, one of the fixed contacts, one of the movable contacts, the copper braided wire, the other movable contact, the other fixed contact and the coiling-out terminal, and therefore, the invention preventing the current from flowing into the armature with high resistivity to seriously make the armature heat so that the temperature rise of the relay is greatly lowered.
Description
Technical field
The present invention relates to a kind of relay, especially a kind of high-current relay.
Background technology
High-current relay, requirement temperature when 150A is controlled at 85 ℃.Existing high-current relay is provided with movable contact spring on armature, movable contact spring is provided with moving contact, connects moving contact and yoke by copper litz wire, and yoke is connected with outlet terminal.Go up certain voltage when the coil two ends are logical, the dynamic and static closing of contact forms current path between input terminal, fixed contact, moving contact, copper litz wire, yoke, outlet terminal.Because electric current is through yoke, the resistivity of yoke is high, and the contact resistance of adding between yoke and outlet terminal is bigger, and when through 150A, it is extremely serious to generate heat, and relay is promptly aging, has shortened the life-span of relay.
Summary of the invention
Be to solve the deficiencies in the prior art, the invention provides a kind ofly when large current load is worked, can reduce the high-current relay of temperature-rise effect greatly.
For achieving the above object, the invention provides a kind of high-current relay, comprise electromagnetic system, contact system, pedestal and case, described electromagnetic system comprises yoke, armature, coil and iron core, described armature is contained on the described yoke by the quadrature end, described contact system comprises movable contact spring, input terminal and outlet terminal, described movable contact spring is fixedlyed connected with armature, it is characterized in that: described movable contact spring comprises first connecting portion and second connecting portion, described first connecting portion and armature are fitted, described second connecting portion stretches out outside the armature, at two moving contacts of described second connecting portion distribution, connect described two moving contacts with a copper litz wire, fixed contact is set respectively on described input terminal and outlet terminal, described two moving contacts are relative one by one with described two fixed contacts.Beneficial effect of the present invention is, two moving contacts are distributed in second connecting portion of movable contact spring, and adopt copper litz wire to connect two moving contacts, when the coil adhesive, armature drives the movable contact spring action, load current flow through input terminal, one of them fixed contact, one of them moving contact, copper litz wire, another one moving contact, another one fixed contact, outlet terminal are avoided electric current to flow into the yoke of high resistivity and are seriously made its heating, greatly reduce the temperature rise of relay.
Especially, cut first breach in the middle of an end of described second connecting portion, the bottom of described first breach is near the fixed connection point of movable contact spring and armature, and dwindling of movable contact spring area can reduce the coil working voltage of armature suction to iron core.
Especially, the quadrature end at described armature is provided with second breach; Described movable contact spring continues to extend from the fixed connection point of yoke and armature, form and restore part, restore part and above the quadrature of described armature is distolateral, be provided with a kink, described second breach of the width adequate of described kink, the width at described recovery part rear portion is less than the width of described kink, described pedestal is provided with a dividing plate, and described dividing plate is provided with a baffle plate; At described recovery part end one snap close is set, described yoke is provided with a projection, and described snap close snaps in the groove of described projection.Baffle plate and kink have constituted the spacing armature of balance of armature jointly; Restore the width of the width at rear portion partly, reduced the consumption of highly elastic material less than kink.
Especially, the end of described input terminal and outlet terminal is equipped with the flank of quadrature with it, in the flank inboard of input terminal a fixed contact is set, another fixed contact of flank arranged outside at outlet terminal, guarantee that two fixed contacts are on the face of the same side, simultaneously, this position and structural relation can be dwindled the space in the case, reduce the volume of high-current relay.
Especially, described input terminal and outlet terminal are respectively equipped with screw hole, and depression has draw-in groove in the described screw hole, and the latch engagement with on the screw is stuck in screw in the screw hole securely, even nut is descending, and can be not loosening to some extent yet.
Description of drawings
Fig. 1 is an embodiment of the invention stereogram.
Fig. 2 is embodiment of the invention blast stereogram.
Fig. 3 is the embodiment of the invention body after-explosion figure that shells.
Fig. 4 is an embodiment of the invention movable contact spring stereogram.
Fig. 5 is an embodiment of the invention movable contact spring front view.
Fig. 6 is an embodiment of the invention rearview.
Fig. 7 is the explosive view of embodiment of the invention screw and lead wire.
Among the figure: the 1-case, the 11-mounting bracket, the 2-pedestal, the 21-socket, the 211-pin holes, the 22-groove that goes between, the 23-inserted slot, the 231-limiting section, the 24-dividing plate, the 25-baffle plate, the 31-flank, the 32-outlet terminal, the 33-input terminal, the 34-screw, the 35-draw-in groove, the 36-latch, the 37-limit body, the 38-screw hole, 4-armature, the 41-fixed connection point, 42-quadrature end, 43-second breach, the 5-movable contact spring, 5a-first connecting portion, 5b-second connecting portion, the 51-square plate, the 52-circular hole, 53-first breach, 54-restores part, the 55-snap close, the 56-kink, the 57-copper coin, 58a-moving contact boss, the 58b-first fixed contact boss, the 58c-second fixed contact boss, the protruding bud of 59-, the 6-yoke, the 61-protuberance, the 62-groove, the 7-skeleton, the 71-iron core, the 8-copper litz wire.
Embodiment
Shown in Figure 1 is a kind of high-current relay, and its width is less than length, and height comprises electromagnetic system, contact system, pedestal 2 and case 1 less than width, and case 1 both sides respectively are provided with a mounting bracket 11.Pedestal 2 is provided with a dividing plate 24, and pedestal 2 is divided into connection side and installation side, in the confined space that case 1 and dividing plate 24 form is contained in the electromagnetic system of installation side and contact system.The connection side of high-current relay is provided with a socket 21 and two lead-in wire grooves 22, is respectively arranged with input terminal 33 and outlet terminal 32 in the lead-in wire groove 22.By socket 21, can be to the logical operating voltage that goes up of coil, lead-in wire groove 22 provides isolating and protecting for the face terminals of relay.
Shown in Fig. 2,3,4,5, movable contact spring 5 is connected by fixed connection point 41 with armature 4.Movable contact spring 5 comprises the first connecting portion 5a and the second connecting portion 5b, and the first connecting portion 5a and armature 4 are fitted, and the second connecting portion 5b stretches out outside the armature 4, and the front end of the second connecting portion 5b is provided with two square plate that separate 51, has engraved circular hole 52 on the square plate 51; Two copper coins 57 that adapt to the size of square plate 51 are connected with a pair of moving contact boss 58a respectively, form two moving contacts, moving contact boss 58a extends protruding luxuriant 59 to the opposite side of square opening 51 respectively, connect protruding luxuriant 59 by a copper litz wire 8, thus, two moving contacts couple together by copper litz wire 8.The end of input terminal 33 and outlet terminal 32 is equipped with the flank 31 of quadrature with it, in flank 31 inboards of input terminal 33 the first fixed contact boss 58b is set, the flank 31 arranged outside second fixed contact boss 58c at outlet terminal 32, guarantee that the first fixed contact boss 58b and the second fixed contact boss 58c on the face of the same side, form two fixed contacts.Two moving contacts are relative one by one with two fixed contacts.
From the middle incision of an end first breach 53, the first breach 53 of the second connecting portion 5b is the U-shaped breach, and the bottom of first breach 53 is near the fixed connection point 41 of movable contact spring 5 and armature 4.Extend to the second connecting portion 5b from the first connecting portion 5a, movable contact spring 5 can narrow down one by one, with the coil working voltage that reduces armature 4 is inhaled to iron core 71.
Shown in Fig. 6,7, the dividing plate 24 of socket 21 bottoms is provided with two pin holes 211; The bottom of lead-in wire groove 22 is provided with an inserted slot 23, is communicated with installation side, and the position of dividing plate 24 and inserted slot 23 quadratures is provided with limiting section 231, meshes with the limit body 37 of input terminal 33 and outlet terminal 32.Wherein, limiting section 231 can be the profile of tooth of the engagement of mutual energy mutually with limit body 37.The front portion of input terminal 33 and outlet terminal 32 is equipped with screw hole 38, and depression has draw-in groove 35 in the screw hole 38, with latch 36 engagements on the screw 34.Use inserted slot 23, installation procedure can settle at one go, and compares with the binding post that pedestal is injected into one, and input terminal 33 of the present invention and outlet terminal 32 can be loosening easily because of repeatedly using.
Claims (8)
1. high-current relay, comprise electromagnetic system, contact system, pedestal and case, described electromagnetic system comprises yoke, armature, coil and iron core, described armature is contained on the described yoke by the quadrature end, described contact system comprises movable contact spring, input terminal and outlet terminal, described movable contact spring is fixedlyed connected with armature, it is characterized in that: described movable contact spring comprises first connecting portion and second connecting portion, described first connecting portion and armature are fitted, described second connecting portion stretches out outside the armature, at two moving contacts of described second connecting portion distribution, connect described two moving contacts with a copper litz wire, fixed contact is set respectively on described input terminal and outlet terminal, and described two moving contacts are relative one by one with described two fixed contacts.
2. a kind of high-current relay according to claim 1 is characterized in that: cut first breach in the middle of an end of described second connecting portion, the bottom of described first breach is near the fixed connection point of movable contact spring and armature.
3. a kind of high-current relay according to claim 1 and 2 is characterized in that: the quadrature end at described armature is provided with second breach; Described movable contact spring continues to extend from the fixed connection point of yoke and armature, form and restore part, restore part and above the quadrature of described armature is distolateral, be provided with a kink, described second breach of the width adequate of described kink, the width at described recovery part rear portion is less than the width of described kink, described pedestal is provided with a dividing plate, and described dividing plate is provided with a baffle plate; At described recovery part end one snap close is set, described yoke is provided with a projection, and described snap close snaps in the groove of described projection.
4. a kind of high-current relay according to claim 3, it is characterized in that: the end of described input terminal and outlet terminal is equipped with the flank of quadrature with it, in the flank inboard of input terminal a fixed contact is set, at another fixed contact of flank arranged outside of outlet terminal, guarantee that two fixed contacts are on the face of the same side.
5. according to claim 1,2 described a kind of high-current relays, it is characterized in that: the end of described input terminal and outlet terminal is equipped with the flank of quadrature with it, in the flank inboard of input terminal a fixed contact is set, at another fixed contact of flank arranged outside of outlet terminal, guarantee that two fixed contacts are on the face of the same side.
6. according to claim 1,2 or 4 described a kind of high-current relays, it is characterized in that: described input terminal and outlet terminal are respectively equipped with screw hole, and depression has draw-in groove in the described screw hole, with the latch engagement on the screw.
7. a kind of high-current relay according to claim 3 is characterized in that: described input terminal and outlet terminal are respectively equipped with screw hole, and depression has draw-in groove in the described screw hole, with the latch engagement on the screw.
8. a kind of high-current relay according to claim 5 is characterized in that: described input terminal and outlet terminal are respectively equipped with screw hole, and depression has draw-in groove in the described screw hole, with the latch engagement on the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010133933 CN101807492A (en) | 2010-03-23 | 2010-03-23 | Large-current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010133933 CN101807492A (en) | 2010-03-23 | 2010-03-23 | Large-current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101807492A true CN101807492A (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010133933 Pending CN101807492A (en) | 2010-03-23 | 2010-03-23 | Large-current relay |
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| CN (1) | CN101807492A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867689A (en) * | 2012-09-14 | 2013-01-09 | 贵州振华群英电器有限公司 | Miniature bridge type sealed DC electromagnetic relay with double air gap structures |
| CN103035447A (en) * | 2012-10-19 | 2013-04-10 | 陕西群力电工有限责任公司 | Double-coil magnetic latching relay |
| CN107230584A (en) * | 2017-07-25 | 2017-10-03 | 浙江工贸职业技术学院 | A kind of high-current supply relay |
| CN108231489A (en) * | 2017-11-29 | 2018-06-29 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay reliably limited to armature |
| CN108321029A (en) * | 2017-12-30 | 2018-07-24 | 三友联众集团股份有限公司 | A kind of relay being threaded head |
| CN108878220A (en) * | 2017-05-09 | 2018-11-23 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN108987189A (en) * | 2018-07-13 | 2018-12-11 | 贵州天义技术有限公司 | A kind of clapper-type band magnetic blow-out high current contactor |
| CN109727821A (en) * | 2019-01-24 | 2019-05-07 | 三友联众集团股份有限公司 | A kind of spring return type electromagnetic relay |
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0136592A1 (en) * | 1983-09-09 | 1985-04-10 | Siemens Aktiengesellschaft | Electromagnetic relay |
| US4683358A (en) * | 1985-03-05 | 1987-07-28 | Siemens Aktiengesellschaft | Contact arrangement in a relay for high breaking capacity |
| JP2005166433A (en) * | 2003-12-02 | 2005-06-23 | Omron Corp | Electromagnetic relay |
| CN201629266U (en) * | 2010-03-23 | 2010-11-10 | 乐清市金川电子有限公司 | Heavy-current relay |
-
2010
- 2010-03-23 CN CN 201010133933 patent/CN101807492A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0136592A1 (en) * | 1983-09-09 | 1985-04-10 | Siemens Aktiengesellschaft | Electromagnetic relay |
| US4683358A (en) * | 1985-03-05 | 1987-07-28 | Siemens Aktiengesellschaft | Contact arrangement in a relay for high breaking capacity |
| JP2005166433A (en) * | 2003-12-02 | 2005-06-23 | Omron Corp | Electromagnetic relay |
| CN201629266U (en) * | 2010-03-23 | 2010-11-10 | 乐清市金川电子有限公司 | Heavy-current relay |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867689A (en) * | 2012-09-14 | 2013-01-09 | 贵州振华群英电器有限公司 | Miniature bridge type sealed DC electromagnetic relay with double air gap structures |
| CN103035447A (en) * | 2012-10-19 | 2013-04-10 | 陕西群力电工有限责任公司 | Double-coil magnetic latching relay |
| CN103035447B (en) * | 2012-10-19 | 2014-10-08 | 陕西群力电工有限责任公司 | Double-coil magnetic latching relay |
| CN108878220A (en) * | 2017-05-09 | 2018-11-23 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN108878220B (en) * | 2017-05-09 | 2024-04-19 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN107230584A (en) * | 2017-07-25 | 2017-10-03 | 浙江工贸职业技术学院 | A kind of high-current supply relay |
| CN107230584B (en) * | 2017-07-25 | 2018-12-14 | 浙江工贸职业技术学院 | A kind of high-current supply relay |
| CN108231489A (en) * | 2017-11-29 | 2018-06-29 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay reliably limited to armature |
| CN108321029A (en) * | 2017-12-30 | 2018-07-24 | 三友联众集团股份有限公司 | A kind of relay being threaded head |
| CN108321029B (en) * | 2017-12-30 | 2024-02-20 | 三友联众集团股份有限公司 | Relay with screw thread head |
| CN108987189A (en) * | 2018-07-13 | 2018-12-11 | 贵州天义技术有限公司 | A kind of clapper-type band magnetic blow-out high current contactor |
| CN109727821A (en) * | 2019-01-24 | 2019-05-07 | 三友联众集团股份有限公司 | A kind of spring return type electromagnetic relay |
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
| CN114220708B (en) * | 2021-12-24 | 2024-04-19 | 浙江正泰汽车科技有限公司 | Clapping relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100818 |