CN107039212B - A kind of electromagnetic relay - Google Patents
A kind of electromagnetic relay Download PDFInfo
- Publication number
- CN107039212B CN107039212B CN201710024951.6A CN201710024951A CN107039212B CN 107039212 B CN107039212 B CN 107039212B CN 201710024951 A CN201710024951 A CN 201710024951A CN 107039212 B CN107039212 B CN 107039212B
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- CN
- China
- Prior art keywords
- spring plate
- contact
- positioning terminal
- electromagnetic relay
- auxiliary
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of electromagnetic relays, including magnetic circuit system, contact system, push card, pedestal and shell, it is characterized by: electromagnetic relay further includes open type auxiliary contacts system, open type auxiliary contacts system includes auxiliary lower contact, assists lower elastic slice, auxiliary upper contact, armature elastic slice；Side on spring plate positioning terminal positioned at spring plate is provided with convex closure.The elastic slice elastic force of auxiliary contacts system come increase contact system disconnect when power, convex closure is got on one side positioned at the spring plate on spring plate positioning terminal, elastic force deformation is generated after spring plate can be made to be riveted on spring plate positioning terminal, also just there is precompression to elastic slice positioning terminal, it can make when being attracted, the rigid Contact in contact, contact force is quickly raised to precompressed force value, similarly in release, contact will just disconnect moment, contact force also can drop to rapidly zero from precompressed force value, can reduce ablation time and actuation, release rebound when contact resistance goes to zero.
Description
Technical field
The present invention relates to a kind of electromagnetic relays, more particularly to one kind is compact-sized, contact disconnects rapid, arc extinguishing agility,
Contact is attracted or disconnects quick electromagnetic relay.
Background technique
Relay be a kind of automatic switch element with isolation features, be widely used in communication, automobile, automatic control,
The fields such as household electrical appliance.It is one of most important control original part.Contact system is the important component of relay, and performance affects
The service life of product and safety, and arc erosion is the maximum arch-criminal for destroying contact system, in the prior art, opposite arc-chutes
Space accounting is big, while arc extinguishing starts moment movable contact and stationary contact power cut off delay and causes arc quenching effect bad, in view of the presence of upper
Problem is stated, it is necessary to study a kind of electromagnetic relay for overcoming the above problem.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of electromagnetic relays, there is compact-sized, contact to disconnect fast
Speed, arc extinguishing are quick, contact is attracted or disconnect quick feature.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of electromagnetic relay, including magnetic circuit system, connect
Touching system, push card, pedestal and shell, the magnetic circuit system include coil holder, coil, armature, yoke, iron core, the contact system
System includes movable contact, movable contact bridge, spring plate, spring plate positioning terminal, stationary contact, quiet spring, and innovative point is: the electromagnetism
Relay further includes open type auxiliary contacts system, and the open type auxiliary contacts system includes auxiliary lower contact, assists lower bullet
Piece, auxiliary upper contact, armature elastic slice；The armature, the push card are rigidly combined into one with the spring plate positioning terminal
Body；The spring plate is riveted on the spring plate positioning terminal, and the movable contact bridge is riveted on spring plate, the spring plate
Positioning terminal is located at one end that the spring plate leans on the movable contact bridge；It is located at the spring plate on the spring plate positioning terminal
Side be provided with convex closure.
Preferably, described in the open type auxiliary contacts system auxiliary upper contact be fixed on the armature elastic slice and with
The movement of armature and switch, and the auxiliary upper contact passes through the yoke and carries out conductive output.
Preferably, elastic slice is elastic material under the auxiliary.
Preferably, during the electromagnetic relay adhesive action open type auxiliary contacts system earlier than the contact
System first contacts conducting.
Preferably, the positive stop lug boss for limiting to elastic slice under the auxiliary is provided on the coil holder.
Preferably, it is rigidly connected between the armature and the spring plate positioning terminal by the push card.
Preferably, dispensing again after the rigid connection is integrally formed or is packed into.
The present invention has the advantages that being connect by using above structure using the elastic slice elastic force of auxiliary contacts system to increase
Touching system disconnect when power, while auxiliary contacts system can by coil control realize electricity conducting and shutdown, and with contact system,
Inductance loop seclusion.Armature, push card are rigidly combined as a whole with spring plate positioning terminal, can guarantee magnetic circuit in a smaller space
The insulation distance of system and contact system simultaneously can drive the contact system movable end to act.Spring plate is riveted on the spring plate
On positioning terminal, the movable contact bridge is riveted on spring plate, and the spring plate positioning terminal is located at the spring plate by described
One end of movable contact bridge, in release moment, the spring plate positioning terminal can drive the spring plate, and rigidity partially pulls open rapidly touching
Point increases product arc extinguishing speed.Convex closure is got on one side positioned at the spring plate on spring plate positioning terminal, can make described move
Piece generates elastic force deformation after being riveted on the spring plate positioning terminal, also just has precompression, meeting to the elastic slice positioning terminal
Make when being attracted, the rigid Contact in contact, contact force is quickly raised to precompressed force value, and similarly in release, contact will just break
Open moment, contact force also can drop to rapidly zero from precompressed force value, can reduce when contact resistance goes to zero ablation time and actuation,
Release rebound.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structural decomposition diagram of electromagnetic relay of the present invention.
Fig. 2 is a kind of structural schematic diagram of electromagnetic relay of the present invention.
Fig. 3 is a kind of structural decomposition diagram of electromagnetic relay of the present invention.
Fig. 4 is open type auxiliary contacts and its dependency structure schematic diagram in a kind of electromagnetic relay of the present invention.
Fig. 5 is a kind of disjunction power of electromagnetic relay of the present invention and the curve of suction.
Fig. 6 is spring plate positioning terminal and spring plate dependency structure schematic diagram in a kind of electromagnetic relay of the present invention.
Fig. 7 is the partial enlarged view A of Fig. 6.
Fig. 8 is that armature, push card, spring plate positioning terminal are rigidly combined as a whole in a kind of electromagnetic relay of the present invention
Structural schematic diagram.
Fig. 9 is a kind of schematic diagram of internal structure at the first visual angle of electromagnetic relay of the present invention.
In figure: 1- pedestal, 2- coil, 3- assist lower elastic slice, 4- auxiliary lower contact, 5- iron core, 6- shell, 7- to assist touching
The dynamic touching of point, 8- armature elastic slice, 9- armature, 10- push card, 11- spring plate positioning terminal, 111- convex closure, 12- spring plate, 13-
Point, 14- movable contact bridge, 15- yoke, 16- stationary contact, the quiet spring of 17-, 18- coil holder, 181- positive stop lug boss.
Specific embodiment
Electromagnetic relay of the invention includes magnetic circuit system, contact system, push card 10, pedestal 1 and shell 6, magnetic circuit system
System includes coil holder 18, coil 2, armature 9, yoke 15, iron core 5, and contact system includes movable contact 13, movable contact bridge 14, spring plate
12, spring plate positioning terminal 11, stationary contact 16, quiet spring 17.Electromagnetic relay further includes open type auxiliary contacts system, open type
Auxiliary contacts system includes auxiliary lower contact 4, assists lower elastic slice 3, auxiliary upper contact 7, armature elastic slice 8.Armature 9, push card 10,
It is combined as a whole with 11 rigidity of spring plate positioning terminal.Spring plate 12 is riveted on spring plate positioning terminal 11, movable contact bridge 14
It is riveted on spring plate 12, spring plate positioning terminal 11 is located at one end that spring plate 12 leans on movable contact bridge 14.Spring plate positioning end
The side for being located at spring plate 12 on son 11 is provided with convex closure 111.By using above structure, the elastic slice of auxiliary contacts system is utilized
Elastic force come increase contact system disconnect when power, while auxiliary contacts system can by coil control realize electricity conducting and shutdown,
And with contact system, inductance loop seclusion.Armature 9, push card 10 are combined as a whole with the rigidity of spring plate positioning terminal 11, can compared with
Guarantee the insulation distance of magnetic circuit system and contact system in small space and contact system movable end can be driven to act.Spring plate 12
It is riveted on spring plate positioning terminal 11, movable contact bridge 14 is riveted on spring plate 12, and spring plate positioning terminal 11, which is located at, moves
Piece 12 leans on one end of movable contact bridge 14, and in release moment, spring plate positioning terminal 11 can drive spring plate 12, and rigidity partially is drawn rapidly
Contact is opened, product arc extinguishing speed is increased.Convex closure 111 is got on one side positioned at spring plate 12 on spring plate positioning terminal 11, can be made
Spring plate 12 generates elastic force deformation after being riveted on spring plate positioning terminal 11, also just has precompression, meeting to elastic slice positioning terminal
Make when being attracted, the rigid Contact in contact, contact force is quickly raised to precompressed force value, and similarly in release, contact will just break
Open moment, contact force also can drop to rapidly zero from precompressed force value, can reduce when contact resistance goes to zero ablation time and actuation,
Release rebound.
Upper contact 7 is assisted to be fixed on armature elastic slice 8 and with the movement of armature 9 in above-mentioned open type auxiliary contacts system
And switch, and upper contact 7 is assisted to carry out conductive output by yoke 15.Assisting lower elastic slice 3 is elastic material, utilizes elastic material
Rubbing stroke when can provide elastic force, and increasing auxiliary contact contact, increases contact reliability.Above-mentioned is attracted in electromagnetic relay
Open type auxiliary contacts system first contacts conducting earlier than contact system during movement.Descend elastic slice amplitude of fluctuation is excessive to make in order to prevent
At malfunction, it is provided on coil holder 18 for the positive stop lug boss 181 for assisting lower elastic slice 3 to limit.Above-mentioned armature 9 and spring plate
It is rigidly connected between positioning terminal 11 by push card 10, dispensing again after which is integrally formed or is packed into.
As shown in figure 5, dotted line is the electromagnetic attraction torque under pick-up voltage representative value, solid line is the electromagnetic relay
Elastic slice elastic force torque is also release process disjunction force square, and dotted line is the elastic slice elastic force torque of prior art electromagnetic relay, is indulged
Coordinate is torque size, and abscissa is the opening angle of armature, and 0 degree is to be closed completely, and the location A of figure upper curve mark is auxiliary
Elastic force torque when contact just contacts, the B location of mark are elastic force torque when contact system contact just contacts, and are also contact relieving
When open from power, the elastic force torque when location of C of mark is the rigid contact wire clamps bottom limit of elastic slice under auxiliary contact, from the song
It is seen on line chart, under conditions of guaranteeing that product can be attracted completely, it is biggish which can enable contact disconnection moment have
Disjunction power is the power of the B location marked.
Finally, it should be noted that property technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, those skilled in the art should understand that, modification or equivalent replacement of the technical solution of the present invention are made for those, and
The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of electromagnetic relay, including magnetic circuit system, contact system, push card, pedestal and shell, the magnetic circuit system include
Coil holder, coil, armature, yoke, iron core, the contact system include movable contact, movable contact bridge, spring plate, spring plate positioning end
Son, stationary contact, quiet spring, it is characterised in that: the electromagnetic relay further includes open type auxiliary contacts system, and the open type is auxiliary
Contact system is helped to include auxiliary lower contact, assist lower elastic slice, auxiliary upper contact, armature elastic slice；The armature, the push card,
It is rigidly combined as a whole with the spring plate positioning terminal；The spring plate is riveted on the spring plate positioning terminal, described
Movable contact bridge is riveted on spring plate, and the spring plate positioning terminal is located at one end that the spring plate leans on the movable contact bridge；
Side on the spring plate positioning terminal positioned at the spring plate is provided with convex closure, and the convex closure is for making the spring plate riveting
Elastic force deformation is generated after connecing on the spring plate positioning terminal.
2. a kind of electromagnetic relay as described in claim 1, it is characterised in that: described in the open type auxiliary contacts system
Auxiliary upper contact is fixed on the armature elastic slice and switches with the movement of armature, and the auxiliary upper contact passes through the yoke
Iron carries out conductive output.
3. a kind of electromagnetic relay as described in claim 1, it is characterised in that: elastic slice is elastic material under the auxiliary.
4. a kind of electromagnetic relay as described in claim 1, it is characterised in that: during the electromagnetic relay adhesive action
The open type auxiliary contacts system first contacts conducting earlier than the contact system.
5. a kind of electromagnetic relay as described in claim 1, it is characterised in that: be provided on the coil holder for described auxiliary
Help the positive stop lug boss of lower elastic slice limit.
6. a kind of electromagnetic relay as described in claim 1, it is characterised in that: the armature and the spring plate positioning terminal
Between be rigidly connected by the push card.
7. a kind of electromagnetic relay as claimed in claim 6, it is characterised in that: the rigid connection is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024951.6A CN107039212B (en) | 2017-01-13 | 2017-01-13 | A kind of electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024951.6A CN107039212B (en) | 2017-01-13 | 2017-01-13 | A kind of electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107039212A CN107039212A (en) | 2017-08-11 |
| CN107039212B true CN107039212B (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710024951.6A Active CN107039212B (en) | 2017-01-13 | 2017-01-13 | A kind of electromagnetic relay |
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| CN (1) | CN107039212B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321028A (en) * | 2018-02-24 | 2018-07-24 | 厦门赛特勒继电器有限公司 | Relay Optocoupler detection device and electromagnetic relay with the device |
| CN111863534B (en) * | 2020-08-03 | 2022-05-20 | 中汇瑞德电子（芜湖）有限公司 | Electromagnetic relay |
| JP2022106095A (en) * | 2021-01-06 | 2022-07-19 | パナソニックＩｐマネジメント株式会社 | Electromagnetic relay |
| JP2023051496A (en) * | 2021-09-30 | 2023-04-11 | パナソニックＩｐマネジメント株式会社 | electromagnetic relay |
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|---|---|---|---|---|
| JPH06231665A (en) * | 1993-01-29 | 1994-08-19 | Matsushita Electric Works Ltd | Electromagnetic relay |
| JPH11273531A (en) * | 1998-03-20 | 1999-10-08 | Anden | Electromagnetic relay |
| CN2374968Y (en) * | 1999-04-20 | 2000-04-19 | 上海贝斯特继电器研究所 | Magnetic retaining relay |
| JP2005183262A (en) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Works Ltd | Single stable type polar electromagnetic relay |
| CN201051474Y (en) * | 2007-05-10 | 2008-04-23 | 宁波金海电子有限公司 | Small bulk shakeproof electromagnetic relay |
| JP4480642B2 (en) * | 2005-07-11 | 2010-06-16 | 中国電力株式会社 | AC power relay |
| CN201655692U (en) * | 2010-03-05 | 2010-11-24 | 深圳市创银科技股份有限公司 | Magnetic latching relay |
| CN204696050U (en) * | 2015-07-07 | 2015-10-07 | 浙江申乐电气有限公司 | Electromagnetic relay |
| CN105280444A (en) * | 2015-11-03 | 2016-01-27 | 东莞市中汇瑞德电子股份有限公司 | Electromagnetic relay |
| CN206422004U (en) * | 2017-01-13 | 2017-08-18 | 厦门赛特勒继电器有限公司 | A kind of electromagnetic relay |
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2017
- 2017-01-13 CN CN201710024951.6A patent/CN107039212B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06231665A (en) * | 1993-01-29 | 1994-08-19 | Matsushita Electric Works Ltd | Electromagnetic relay |
| JPH11273531A (en) * | 1998-03-20 | 1999-10-08 | Anden | Electromagnetic relay |
| CN2374968Y (en) * | 1999-04-20 | 2000-04-19 | 上海贝斯特继电器研究所 | Magnetic retaining relay |
| JP2005183262A (en) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Works Ltd | Single stable type polar electromagnetic relay |
| JP4480642B2 (en) * | 2005-07-11 | 2010-06-16 | 中国電力株式会社 | AC power relay |
| CN201051474Y (en) * | 2007-05-10 | 2008-04-23 | 宁波金海电子有限公司 | Small bulk shakeproof electromagnetic relay |
| CN201655692U (en) * | 2010-03-05 | 2010-11-24 | 深圳市创银科技股份有限公司 | Magnetic latching relay |
| CN204696050U (en) * | 2015-07-07 | 2015-10-07 | 浙江申乐电气有限公司 | Electromagnetic relay |
| CN105280444A (en) * | 2015-11-03 | 2016-01-27 | 东莞市中汇瑞德电子股份有限公司 | Electromagnetic relay |
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| Publication number | Publication date |
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| CN107039212A (en) | 2017-08-11 |
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