CN104377084A - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN104377084A CN104377084A CN201410713587.0A CN201410713587A CN104377084A CN 104377084 A CN104377084 A CN 104377084A CN 201410713587 A CN201410713587 A CN 201410713587A CN 104377084 A CN104377084 A CN 104377084A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic relay
- armature
- spring plate
- shell fragment
- electromagnet
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses an electromagnetic relay. The electromagnetic relay comprises a base, an electromagnet, an armature, a push piece, a dynamic elastic piece, a first static elastic piece and a second static elastic piece. The electromagnet is fixed onto the base, and the armature is slidably arranged at one end of the base and positioned on one side of the electromagnet. The push piece is slidably arranged above the electromagnet, and one end of the push piece is fixedly connected with the armature while the other end of the push piece is abutted against the dynamic elastic piece. The dynamic elastic piece, the first static elastic piece and the second static elastic piece are fixed to the other end of the base. The dynamic elastic piece is positioned between the first static elastic piece and the second static elastic piece and electrically contacts with one of the first static elastic piece and the second static elastic piece. The dynamic elastic piece, the first static elastic piece and the second static elastic piece respectively extend to form pins connected with a circuit board. The electromagnetic relay has the advantages of structural compactness and small size.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of compact conformation, electromagnetic relay that volume is little.
Background technology
Electromagnetic relay is the electric current that a kind of use is less, lower voltage removes the automatic switch controlling larger electric current, higher voltage.It realizes this switching function is by being arranged at inner electromagnet, by passing into small electric stream to magnet spool, electromagnet is made to produce magnetic field, utilize the generation in magnetic field or disappearance and adhesive or unclamp armature, and then order about adhesive or disconnection between electroconductive elastic sheet, realize the conducting to big current loop.Electromagnet is the important composition parts of electromagnetic relay.But along with electric equipment is more and more miniaturized, existing electromagnetic relay structure is not compact, causes volume comparatively large, more and more can not meet the requirement of Production design.
Summary of the invention
The object of the present invention is to provide the electromagnetic relay that a kind of compact conformation, volume are little.
To achieve these goals, electromagnetic relay provided by the invention comprises pedestal, electromagnet, armature, push jack, spring plate, the first quiet shell fragment and the second quiet shell fragment, described electromagnet is fixed on pedestal, and described armature is arranged at one end of described pedestal slidably and is positioned at the side of electromagnet; Described push jack is arranged at the top of described electromagnet slidably and one end of described push jack is fixedly connected with described armature, and the other end of described push jack is resisted against described spring plate; Described spring plate, described first quiet shell fragment and described second quiet shell fragment are fixed on the other end of described pedestal; Described spring plate between described first quiet shell fragment and the second quiet shell fragment and with both one of them electrical contact rear; Described spring plate, described first quiet shell fragment and described second quiet shell fragment extend the stitch of connecting circuit board respectively.
Because the present invention is by being arranged at the side of described pedestal and being positioned at the side of described electromagnet by described armature, and described spring plate, described first quiet shell fragment and described second quiet shell fragment are arranged the opposite side of pedestal, and described push jack is arranged at described electromagnet top and between described armature and described spring plate, therefore, make the structure of invention electromagnetic relay very compact, inner space is fully utilized, thus the volume of whole electromagnetic relay is greatly reduced.
Preferably, described spring plate offers through hole, and described push jack has pushing tow end face, and described pushing tow end face extends lead, and be arranged in described through hole to described lead matched in clearance, described spring plate is flexibly resisted against described pushing tow end face.Because described lead and described through hole are matched in clearance, therefore, described push jack only plays a driving role to the deformation direction of described spring plate, and power effect is not produced in other directions, thus avoid making described spring plate produce stiff distortion because of the generation skew of described push jack position or the distortion of described lead, cause described spring plate and described first, second quiet shell fragment loose contact, affect the useful life of electromagnetic relay, thus, effectively extend the life-span of electromagnetic relay, and, described lead with simple cooperation of through hole the assembling of electromagnetic relay can be made to become simpler, convenient, improve efficiency of assembling.
Particularly, described push jack extends support arm, and described pushing tow end face is arranged at the distal end faces of described support arm.
Particularly, described spring plate has the collar, and the middle part of the described collar forms described through hole.Because described lead generally uses plastic material to make, and the thinner thickness of described spring plate, cause the sharp edges of through hole, both mutual sliding frictions are easy to make described lead produce plastic cement bits, therefore, the described collar is set, guide effect can be increased to lead, prevent described spring plate from the process of sliding contact, producing foreign matter to described lead scraping.
More specifically, described spring plate and the described collar are integrated formed structure.
Preferably, described electromagnet has U-shaped iron core, and described U-shaped iron core has two iron props, described U-shaped iron core is in being horizontally disposed with, be positioned at the described iron prop winding around of downside, the end of described iron prop being positioned at upside upwards bends and extends adhesive portion, described adhesive portion and described armature just right.Described adhesive portion can increase the adhesive area of U-shaped iron core on the one hand, when the shock with armature, can bear that dynamics is larger, number of times more clashes into, the magnetic field of whole U-shaped iron core can be made stronger on the other hand, magnetic attraction is larger, thus easier adhesive armature, adhesive better effects if, effectively increases the service life.
Particularly, described adhesive portion extends to the level height on the top of described armature.By extending the height in described adhesive portion, the adhesive area of described adhesive portion and described armature being increased, thus can magnetic field be increased, improve adhesive effect.
Particularly, the surface being positioned at the described iron prop of upside is provided with convex, and described convex engages with the location hole of described pedestal.Coordinating with location hole by arranging described convex, described U-shaped iron core can be made to install more firm, prevent from occurring because of the frequent shock of described armature to loosen or displacement, affect the performance of electromagnetic relay.
Preferably, described electromagnetic relay also comprises keeper, and described keeper is fixed on described pedestal, and described keeper has shell fragment, and described shell fragment is resisted against the outside of described armature to limit the spacing of described armature and described electromagnet.Described keeper is set and can prevents described armature exceedingly away from described electromagnet, thus ensure that electromagnet can armature described in adhesive effectively.
Preferably, it is convex that the upper end of described armature outwards extend horizontally away engaging, and described push jack is provided with microscler jack and engages convex corresponding position and be provided with described and engage position, and the described microscler jack of upper end insertion of described armature, described engaging is convex is sticked in described engaging position.By arranging microscler jack and engaging position on described push jack, described armature arranges engaging convex, described armature is coordinated with described microscler jack and engages convex and describedly to engage position and coordinate described armature and described push jack stable connection can be made firm, and install quick and convenient.
Accompanying drawing explanation
Fig. 1 is the structure chart of electromagnetic relay of the present invention.
Fig. 2 is the cut-away view of electromagnetic relay of the present invention.
Fig. 3 is the end view of electromagnetic relay of the present invention.
Fig. 4 is the spring plate of electromagnetic relay of the present invention and the structural representation of push jack.
Fig. 5 is the structural representation of the U-shaped iron core of electromagnetic relay of the present invention.
Fig. 6 is the push jack of electromagnetic relay of the present invention and the connection diagram of armature.
Embodiment
For describing technology contents of the present invention, structural feature, the effect that realizes in detail, accompanying drawing is coordinated to be explained in detail below in conjunction with execution mode.
As shown in Figure 1 to Figure 3, electromagnetic relay 100 of the present invention comprises pedestal 1, electromagnet 2, armature 3, push jack 4, spring plate 5, first quiet shell fragment 6, second quiet shell fragment 7 and shell 8, described electromagnet 2 is fixed on pedestal 1, and described armature 3 is arranged at one end of described pedestal 1 slidably and is positioned at the side of electromagnet 2; Described push jack 4 is arranged at the top of described electromagnet 2 slidably and one end of described push jack 4 is fixedly connected with described armature 3, and the other end of described push jack 4 is resisted against described spring plate 5; Described spring plate 5, described first quiet shell fragment 6 and described second quiet shell fragment 7 are fixed on the other end of described pedestal 1; Described spring plate 5 between described first quiet shell fragment 6 and the second quiet shell fragment 7 and with both one of them electrical contact rear; Described spring plate 5, described first quiet shell fragment 6 and described second quiet shell fragment 7 extend the stitch 61,71 of connecting circuit board respectively.Described shell 8 is coated on outside and is connected to protect the part of electromagnetic relay 100 inside with described pedestal 1, and the surface of described shell 8 is provided with pore 81, and described pore 81 can dispel the heat and eliminate electric arc.
Refer to Fig. 3 and Fig. 4, described spring plate 5 offers through hole 51, the both sides of described spring plate 5 have fin 53, described through hole 51 is opened in described fin 53, described push jack 4 extends support arm 41, and the end of described support arm 41 has pushing tow end face 42, and described pushing tow end face 42 extends lead 43, be arranged in described through hole 51 to described lead 43 matched in clearance, described spring plate 5 is flexibly resisted against described pushing tow end face 42.Because described lead 43 and described through hole 51 are matched in clearance, described push jack 4 only plays a driving role at the deformation direction of described spring plate 5, and power effect is not produced in other directions, therefore, avoid because the generation skew of described push jack 4 position or described lead 43 are out of shape and make described spring plate 5 produce stiff distortion, cause described spring plate 5 and first, second quiet shell fragment 6,7 loose contact described, affect the useful life of electromagnetic relay 100, thus, the life-span of electromagnetic relay 100 is effectively extended; Further, the simple cooperation of described lead 43 and through hole 51 can make the assembling of electromagnetic relay become more simple, convenient, improves efficiency of assembling.Particularly, described spring plate 5 has the collar 52, and described spring plate 5 and the described collar 52 are in integrated formed structure.The middle part of the described collar 52 forms described through hole 51.Because described lead 43 generally uses plastic material to make, and the thinner thickness of described spring plate 5, cause the sharp edges of through hole, both mutual sliding frictions are easy to make described lead 43 produce plastic cement bits, therefore, the described collar 52 is set, guide effect can be increased to lead 43, prevent described spring plate 5 from swiping to described lead 43 in the process of sliding contact and producing foreign matter.
Refer to Fig. 3 and Fig. 5, described electromagnet 2 has U-shaped iron core 21, described U-shaped iron core 21 has two iron prop 21a, 21b, described U-shaped iron core 21 is in being horizontally disposed with, be positioned at the described iron prop 21a winding around of downside, the end of described iron prop 21b being positioned at upside upwards bends and extends adhesive portion 21c, described adhesive portion 21c and described armature 3 just right.Described adhesive portion 21c extends to the level height on the top of described armature 3.By extending the height of described adhesive portion 21c, 21c mono-aspect, described adhesive portion can increase the adhesive area of U-shaped iron core 21, when the shock with described armature 3, can bear that dynamics is larger, number of times more clashes into, the magnetic field of whole U-shaped iron core 21 can be made on the other hand stronger, and magnetic attraction is larger, thus easier adhesive armature 3, adhesive better effects if, effectively increases the service life.
Again as shown in Figure 5, the surface being positioned at the described iron prop 21b of upside is provided with convex 21d, and described convex 21d engages with the location hole 11 of described pedestal 1.Coordinating with location hole 11 by arranging described convex 21d, described U-shaped iron core 21 can be made to install more firm, prevent from occurring because of the frequent shock of described armature 3 to loosen or displacement, affect the performance of electromagnetic relay.
Refer to Fig. 2 again, described electromagnetic relay 100 also comprises keeper 9, described keeper 9 is fixed on described pedestal 1, and described keeper 9 has shell fragment 91, and described shell fragment 91 is resisted against the outside of described armature 3 to limit the spacing of described armature 3 and described electromagnet 2.Described keeper 9 is set and can prevents described armature 3 exceedingly away from described electromagnet 2, thus ensure that electromagnet 2 can armature 3 described in adhesive effectively.
In conjunction with such as Fig. 2 and Fig. 6, the upper end of described armature 3 outwards extend horizontally away engaging convex 31, described push jack 4 is provided with microscler jack 44 and engages convex 31 corresponding positions and be provided with described and engage position 45, and described microscler jack 44 is inserted in the upper end of described armature 3, and described engaging convex 31 is sticked in described engaging position 45.By arranging microscler jack 44 and engaging position 45 on described push jack 4, described armature 3 arranges engaging convex 31, described armature 3 is coordinated with described microscler jack 44 and engages convex 31 to engage position 45 and coordinate with described described armature 3 can be made firm with described push jack 4 stable connection, and install quick and convenient.
Comprehensively above-mentioned and by reference to the accompanying drawings, below the operation principle of electromagnetic relay 100 of the present invention is described, as follows:
By being energized to the stitch 22 be connected with the coil of electromagnet 2, make described electromagnet 2 produce magnetic field, armature 3 described in described adhesive portion 21c adhesive, described armature 3 moves to the direction near described electromagnet 2; The upper end of described armature 3 promotes described push jack 4 simultaneously, spring plate 5 described in pushing tow end face 42 pushing tow described in the process of described push jack 4 movement, make the flexural deformation of described spring plate 5, described spring plate 5 to bending near described first quiet shell fragment 6 direction and with described first quiet shell fragment 6 electrical contact, now, described spring plate 5 and the first quiet shell fragment 6 conducting, electromagnetic relay 100 processes connected state.When the coil blackout of described electromagnet 2, magnetic field dissipate, described spring plate 5 is returned to origin-location under the effect of elastic-restoring force, thus depart from described first quiet shell fragment 6, and contact with described second quiet shell fragment 7, meanwhile, described spring plate 5 promotes the oppositely movement of described push jack 4, described push jack 4 promotes described armature 3 away from described electromagnet 2, and now, described electromagnetic relay 100 is in off-state.
Because the present invention is by be arranged at the side of described pedestal 1 and to be positioned at the side of described electromagnet 2 by described armature 3, and described spring plate 5, described first quiet shell fragment 6 and described second quiet shell fragment 7 are arranged the opposite side of pedestal 1, and described push jack 4 is arranged at described electromagnet 2 top and between described armature 3 and described spring plate 5, therefore, make the structure of invention electromagnetic relay 100 very compact, inner space is fully utilized, thus the volume of whole electromagnetic relay 100 is greatly reduced; In addition, by arranging described adhesive portion 21c, the adhesive area of described U-shaped iron core 21 is increased, thus strengthen adhesive effect, improve the performance of electromagnetic relay 100; And through hole 51 is set on described spring plate 5, promote described spring plate 5 by described pushing tow end face 42, and utilize described lead 43 to lead and the protection of the collar 52, thus avoid the performance affecting electromagnetic relay 100, increase the service life.
Above disclosedly be only preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (10)
1. an electromagnetic relay, it is characterized in that: comprise pedestal, electromagnet, armature, push jack, spring plate, the first quiet shell fragment and the second quiet shell fragment, described electromagnet is fixed on pedestal, and described armature is arranged at one end of described pedestal slidably and is positioned at the side of electromagnet; Described push jack is arranged at the top of electromagnet slidably and one end of described push jack is fixedly connected with described armature, and the other end of described push jack is resisted against described spring plate; Described spring plate, described first quiet shell fragment and described second quiet shell fragment are fixed on the other end of described pedestal; Described spring plate between described first quiet shell fragment and the second quiet shell fragment and with both one of them electrical contact rear; Described spring plate, described first quiet shell fragment and described second quiet shell fragment extend the stitch of connecting circuit board respectively.
2. electromagnetic relay as claimed in claim 1, it is characterized in that: described spring plate offers through hole, described push jack has pushing tow end face, described pushing tow end face extends lead, be arranged in described through hole to described lead matched in clearance, described spring plate is flexibly resisted against described pushing tow end face.
3. electromagnetic relay as claimed in claim 2, it is characterized in that: described push jack extends support arm, described pushing tow end face is arranged at the distal end faces of described support arm.
4. electromagnetic relay as claimed in claim 2, it is characterized in that: described spring plate has the collar, the middle part of the described collar forms described through hole.
5. electromagnetic relay as claimed in claim 4, is characterized in that: described spring plate and the described collar are integrated formed structure.
6. electromagnetic relay as claimed in claim 1, it is characterized in that: described electromagnet has U-shaped iron core, described U-shaped iron core has two iron props, described U-shaped iron core is in being horizontally disposed with, be positioned at the described iron prop winding around of downside, the end of described iron prop being positioned at upside upwards bends and extends adhesive portion, described adhesive portion and described armature just right.
7. electromagnetic relay as claimed in claim 6, is characterized in that: described adhesive portion extends to the level height on the top of described armature.
8. electromagnetic relay as claimed in claim 6, is characterized in that: the surface being positioned at the described iron prop of upside is provided with convex, and described convex engages with the location hole of described pedestal.
9. electromagnetic relay as claimed in claim 1, it is characterized in that: described electromagnetic relay also comprises keeper, described keeper is fixed on described pedestal, and described keeper has shell fragment, and described shell fragment is resisted against the outside of described armature to limit the spacing of described armature and described electromagnet.
10. electromagnetic relay as claimed in claim 1, it is characterized in that: it is convex that the upper end of described armature outwards extend horizontally away engaging, described push jack is provided with microscler jack and engages convex corresponding position and be provided with described and engage position, described microscler jack is inserted in the upper end of described armature, and described engaging is convex is sticked in described engaging position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713587.0A CN104377084A (en) | 2014-11-28 | 2014-11-28 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713587.0A CN104377084A (en) | 2014-11-28 | 2014-11-28 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104377084A true CN104377084A (en) | 2015-02-25 |
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ID=52555931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410713587.0A Pending CN104377084A (en) | 2014-11-28 | 2014-11-28 | Electromagnetic relay |
Country Status (1)
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| CN (1) | CN104377084A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658183A (en) * | 2017-10-10 | 2018-02-02 | 三友联众集团股份有限公司 | A kind of push jack smooth type relay |
| CN108028155A (en) * | 2015-09-15 | 2018-05-11 | 松下知识产权经营株式会社 | Electromagnetic relay |
| CN106653488B (en) * | 2016-12-07 | 2018-07-10 | 宁波汇洲电器有限公司 | A kind of double-pole single-throw (D.P.S.T.) magnetic of microminiature 16A grades of load keeps electromagnetic relay |
| CN110556268A (en) * | 2019-09-19 | 2019-12-10 | 深圳高登新能源技术有限公司 | Push type relay |
| CN111801761A (en) * | 2018-03-27 | 2020-10-20 | 欧姆龙株式会社 | Relay with a movable contact |
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| JP2009224154A (en) * | 2008-03-14 | 2009-10-01 | Omron Corp | Electromagnetic relay |
| EP2187418A2 (en) * | 2008-11-12 | 2010-05-19 | Good Sky Electric Co., Ltd. | Electromagnetic relay |
| CN202049907U (en) * | 2011-05-11 | 2011-11-23 | 东莞市三友联众电器有限公司 | Relay with compact structure |
| CN203931959U (en) * | 2014-07-02 | 2014-11-05 | 珠海格力电器股份有限公司 | Relay |
| CN204270985U (en) * | 2014-11-28 | 2015-04-15 | 东莞市中汇瑞德电子有限公司 | Electromagnetic relay |
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| DD265732A1 (en) * | 1987-10-29 | 1989-03-08 | Grossbreitenbach Relaistech | CONTACT SUSPENSION FOR RELAY |
| CN2383205Y (en) * | 1999-08-22 | 2000-06-14 | 厦门宏发电声有限公司 | Low height small type large power elecromagnetic relay |
| CN101271801A (en) * | 2007-03-22 | 2008-09-24 | 欧姆龙株式会社 | Electromagnetic relay |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108028155A (en) * | 2015-09-15 | 2018-05-11 | 松下知识产权经营株式会社 | Electromagnetic relay |
| CN108028155B (en) * | 2015-09-15 | 2019-08-23 | 松下知识产权经营株式会社 | Electromagnetic relay |
| CN106653488B (en) * | 2016-12-07 | 2018-07-10 | 宁波汇洲电器有限公司 | A kind of double-pole single-throw (D.P.S.T.) magnetic of microminiature 16A grades of load keeps electromagnetic relay |
| CN107658183A (en) * | 2017-10-10 | 2018-02-02 | 三友联众集团股份有限公司 | A kind of push jack smooth type relay |
| CN111801761A (en) * | 2018-03-27 | 2020-10-20 | 欧姆龙株式会社 | Relay with a movable contact |
| US11380504B2 (en) | 2018-03-27 | 2022-07-05 | Omron Corporation | Relay with card made from resin |
| CN111801761B (en) * | 2018-03-27 | 2023-08-04 | 欧姆龙株式会社 | Relay device |
| CN110556268A (en) * | 2019-09-19 | 2019-12-10 | 深圳高登新能源技术有限公司 | Push type relay |
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Address after: 523711, No. 20, upstart Road, Lin Town, Tangxia Town, Guangdong, Dongguan Applicant after: CHUROD ELECTRONICS CO., LTD. Address before: 523711, No. 20, upstart Road, Lin Town, Tangxia Town, Guangdong, Dongguan Applicant before: Dongguan Churod Electronics Co., Ltd. |
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Application publication date: 20150225 |