CN109741993A - A kind of miniature electro-magnetic relay of high current - Google Patents
A kind of miniature electro-magnetic relay of high current Download PDFInfo
- Publication number
- CN109741993A CN109741993A CN201910122642.1A CN201910122642A CN109741993A CN 109741993 A CN109741993 A CN 109741993A CN 201910122642 A CN201910122642 A CN 201910122642A CN 109741993 A CN109741993 A CN 109741993A
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- spring
- movable contact
- high current
- contact
- dynamic
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Abstract
The invention discloses a kind of miniature electro-magnetic relays of high current, the miniature electro-magnetic relay of the high current includes a dynamic spring part, the dynamic spring part includes a movable contact spring, a contact bridge and two movable contacts, one end of the movable contact spring is in U-shape structure, the contact bridge is in the U-shaped structure to match with one end of the movable contact spring, two ends of the U-shaped structure rivet a movable contact respectively, and the movable contact is fixedly connected with the movable contact spring and the contact bridge.Increase by a contact bridge and does not change outer dimension；When work, movable contact spring does not influence elemental motion performance for providing movable contact pressure；Contact bridge can pass through more high current for cross-sectional area needed for providing current-carrying.
Description
Technical field
The present invention relates to relay field more particularly to a kind of miniature electro-magnetic relays of high current.
Background technique
Electromagnetic relay is a kind of to be gone to control biggish electric current, higher voltage with lesser electric current, lower voltage
Automatic switch.Its realize this switching function be by being set to internal electromagnet, by magnet spool be passed through compared with
Low current is attracted or unclamps armature using the generation or disappearance in magnetic field, and then drive conductive bullet so that electromagnet generates magnetic field
It is attracted or disconnects between piece, realize the conducting to big current loop.
Existing some miniature electro-magnetic relays are due to structure design etc., the cross-sectional area of movable contact spring and static contact spring piece
Small, unbearable high current passes through, and the elemental motion performance of relay is influenced if directly integrally thickening movable contact spring, therefore limit
The load current ability of such relay is made.Therefore, it is necessary to provide a kind of miniature electro-magnetic relay of high current.
Summary of the invention
That the purpose of the present invention is to provide a kind of outer dimensions is constant, can not influence elemental motion again by more high current
The miniature electro-magnetic relay of energy.
To achieve the above object, the present invention provides a kind of miniature electro-magnetic relay of high current, the high current it is small
Type electromagnetic relay includes a dynamic spring part, and the dynamic spring part includes a movable contact spring, a contact bridge and two movable contacts, institute
The one end for stating movable contact spring is in U-shape structure, and the contact bridge is in the U-shaped structure to match with one end of the movable contact spring, the U-shaped
Two ends of structure rivet a movable contact respectively, and the movable contact is fixedly connected with the movable contact spring and the contact bridge.
Further, the dynamic spring part further includes a fixed block, and the other end of the movable contact spring is fixed to the fixation
Block.
Further, the other end of the movable contact spring and the fixed block are integrally formed.
Further, the dynamic spring part further includes an insulating trip and an armature, and the insulating trip is set to the armature
Between the fixed block, an at least rivet mutually fixes the fixed block, the insulating trip and the armature.
Further, the contact bridge is set to the movable contact spring in the one side of the insulating trip.
Further, the miniature electro-magnetic relay of the high current further includes a pedestal, a quiet spring part and a magnetic circuit
Part, the quiet spring part are installed on the pedestal, and the quiet spring part includes that an electricity introduces quiet spring and a quiet spring of electricity extraction,
The electricity, which introduces on quiet spring and the quiet spring of the electricity extraction to rivet respectively, a stationary contact, and the stationary contact and the movable contact are one by one
Corresponding, the magnetic circuit part is installed on the pedestal, and the magnetic circuit part includes a bobbin, an iron core and a yoke, institute
Iron core is stated set on the bobbin center, the dynamic spring is partially contained on the supporting surface of the yoke to be grouped with the magnetic circuit part
At clapper-type linkage mechanism.
Further, the miniature electro-magnetic relay of the high current further includes a tension spring and a limit film, the dynamic spring
It is equipped with the tension spring partially away from one end of the movable contact, the tension spring provides the movable contact far from the stationary contact
Power, the limit film are set to the dynamic spring part close to one end of the movable contact, and it is remote that the limit film limits the movable contact
With a distance from the stationary contact.
Compared with prior art, the beneficial effects of the present invention are:
The miniature electro-magnetic relay of high current of the invention includes a dynamic spring part, and the dynamic spring part includes a dynamic spring
Piece, a contact bridge and two movable contacts, one end of the movable contact spring are in U-shape structure, and the contact bridge is in and the movable contact spring
The U-shaped structure that matches of one end, two ends of the U-shaped structure rivet a movable contact respectively, and the movable contact is fixed
Connect the movable contact spring and the contact bridge.Increase by a contact bridge and does not change outer dimension；When work, movable contact spring is dynamic for providing
Contact force does not influence elemental motion performance；Contact bridge can pass through more high current for cross-sectional area needed for providing current-carrying.
Detailed description of the invention
Fig. 1 is the schematic diagram of the miniature electro-magnetic relay of high current of the invention.
Fig. 2 is the explosive view of the miniature electro-magnetic relay of high current of the invention.
Fig. 3 is the schematic diagram of the dynamic spring part of the miniature electro-magnetic relay of high current of the invention.
Fig. 4 is the explosive view of the dynamic spring part of the miniature electro-magnetic relay of high current of the invention.
Specific embodiment
The embodiment of the present invention described referring now to the drawings, similar element numbers represent similar element in attached drawing.
That the present invention provides a kind of outer dimensions is constant, can not influence the small-sized of elemental motion performance again by more high current
Electromagnetic relay 1.
As shown in figures 1-4, the miniature electro-magnetic relay 1 of high current includes a dynamic spring part 30, a pedestal 10, a quiet spring
Part 20, a magnetic circuit part 40, a tension spring 51 and a limit film 52.
Dynamic spring part 30 includes a movable contact spring 31,32, two movable contacts 33 of a contact bridge, a fixed block 34, an insulating trip
35 and an armature 36.One end of movable contact spring 31 is in U-shape structure, and contact bridge 32 is in the U-shaped to match with one end of movable contact spring 31
Structure, two ends of U-shaped structure rivet a movable contact 33 respectively, and movable contact 33 is fixedly connected with movable contact spring 31 and contact bridge 32.It is dynamic
The other end of reed 31 is fixed to fixed block 34, and specifically, the other end and fixed block 34 of movable contact spring 31 are integrally formed.Absolutely
Embolium 35 is set between armature 36 and fixed block 34, and an at least rivet 37 fixes fixed block 34, insulating trip 35 and 36 phase of armature,
In this present embodiment, fixed block 34, insulating trip 35 and 36 phase of armature are fixed by two rivets 37.It illustrates, connects
It touches bridge 32 and is set to movable contact spring 31 in the one side of insulating trip 35.
Quiet spring part 20 is installed on pedestal 10, and quiet spring part 20 includes that an electricity introduces quiet spring 21 and a quiet spring of electricity extraction
22, electricity introduces quiet spring 21 and riveting has a stationary contact 23,33 1 a pair of stationary contact 23 and movable contact respectively on the quiet spring 22 of electricity extraction
It answers.
Magnetic circuit part 40 is also installed on pedestal 10, and magnetic circuit part 40 includes a bobbin 41, is set around on bobbin 41
Coil 42, an iron core (not shown) and a yoke 43, iron core is set to 41 center of bobbin, and yoke 43 is located at the upper of bobbin 41
Spring part 30 is moved on the supporting surface of yoke 43 to form clapper-type linkage mechanism with magnetic circuit part 40 in end side.
Dynamic spring part 30 is equipped with tension spring 51 far from one end of movable contact 33, and tension spring 51 provides movable contact 33 far from stationary contact 23
Power, limit film 52 is set to dynamic spring part 30 close to one end of movable contact 33, and limit film 52 limits movable contact 33 far from stationary contact
23 distance.
Compared with prior art, the beneficial effects of the present invention are:
The miniature electro-magnetic relay 1 of high current of the invention includes a dynamic spring part 30, and the dynamic spring part 30 includes one
Movable contact spring 31, a contact bridge 32 and two movable contacts 33, one end of movable contact spring 31 are in U-shape structure, and contact bridge 32 is in and dynamic spring
The U-shaped structure that one end of piece 31 matches, two ends of U-shaped structure rivet a movable contact 33 respectively, and movable contact 33 is fixedly connected
Movable contact spring 31 and contact bridge 32.Increase by a contact bridge 32 and does not change outer dimension；When work, movable contact spring 31 is for providing movable contact
33 pressure do not influence elemental motion performance；Contact bridge 32 can pass through more high current for cross-sectional area needed for providing current-carrying.
The above disclosure is only a preferred embodiment of the invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.
Claims (7)
1. a kind of miniature electro-magnetic relay of high current, which is characterized in that the miniature electro-magnetic relay of the high current includes one
Dynamic spring part, the dynamic spring part include a movable contact spring, a contact bridge and two movable contacts, and one end of the movable contact spring is in U
Shape structure, the contact bridge are in the U-shaped structure to match with one end of the movable contact spring, the two ends difference of the U-shaped structure
A movable contact is riveted, the movable contact is fixedly connected with the movable contact spring and the contact bridge.
2. the miniature electro-magnetic relay of high current as described in claim 1, which is characterized in that the dynamic spring part further includes one
Fixed block, the other end of the movable contact spring are fixed to the fixed block.
3. the miniature electro-magnetic relay of high current as claimed in claim 2, which is characterized in that the other end of the movable contact spring with
The fixed block is integrally formed.
4. the miniature electro-magnetic relay of high current as claimed in claim 2, which is characterized in that the dynamic spring part further includes one
Insulating trip and an armature, the insulating trip are set between the armature and the fixed block, and an at least rivet is by the fixation
Block, the insulating trip and the armature are mutually fixed.
5. the miniature electro-magnetic relay of high current as claimed in claim 4, which is characterized in that the contact bridge is set to described dynamic
Reed is in the one side of the insulating trip.
6. the miniature electro-magnetic relay of high current as described in claim 1, which is characterized in that the compact electromagnetic of the high current
Relay further include:
One pedestal；
One quiet spring part, the quiet spring part are installed on the pedestal, and the quiet spring part includes that an electricity introduces quiet spring and one
The quiet spring of electricity extraction, the quiet spring of electricity introducing and the electricity, which draw to rivet respectively on quiet spring, a stationary contact, the stationary contact and institute
State movable contact one-to-one correspondence；And
One magnetic circuit part, the magnetic circuit part are installed on the pedestal, the magnetic circuit part include a bobbin, an iron core and
One yoke, the iron core be set to the bobbin center, the dynamic spring be partially contained on the supporting surface of the yoke with it is described
Magnetic circuit part forms clapper-type linkage mechanism.
7. the miniature electro-magnetic relay of high current as claimed in claim 6, which is characterized in that the compact electromagnetic of the high current
Relay further include:
One tension spring, the dynamic spring are equipped with the tension spring partially away from one end of the movable contact, and the tension spring provides the dynamic touching
Power of the point far from the stationary contact；And
One limit film, the limit film are set to the dynamic spring part close to one end of the movable contact, and the limit film limits institute
State distance of the movable contact far from the stationary contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122642.1A CN109741993A (en) | 2019-02-15 | 2019-02-15 | A kind of miniature electro-magnetic relay of high current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122642.1A CN109741993A (en) | 2019-02-15 | 2019-02-15 | A kind of miniature electro-magnetic relay of high current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109741993A true CN109741993A (en) | 2019-05-10 |
Family
ID=66367645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910122642.1A Pending CN109741993A (en) | 2019-02-15 | 2019-02-15 | A kind of miniature electro-magnetic relay of high current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109741993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424898A (en) * | 2022-11-04 | 2022-12-02 | 东莞市中汇瑞德电子股份有限公司 | Double-breakpoint relay |
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|---|---|---|---|---|
| CN201562637U (en) * | 2009-11-27 | 2010-08-25 | 宁波天波纬业电器有限公司 | Normally opened relay for vehicle |
| CN203983179U (en) * | 2014-05-30 | 2014-12-03 | 厦门台松精密电子有限公司 | Relay conductive structure |
| CN105374633A (en) * | 2015-06-26 | 2016-03-02 | 厦门宏发电力电器有限公司 | Movable contact spring-armature component and clapper-type electromagnetic relay |
| CN205789766U (en) * | 2016-06-30 | 2016-12-07 | 浙江正泰汽车科技有限公司 | Automotive relay |
| CN206225296U (en) * | 2016-12-05 | 2017-06-06 | 漳州宏发电声有限公司 | The electromagnetic relay of bridging contact |
| 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 |
| CN206574657U (en) * | 2017-03-23 | 2017-10-20 | 东莞市永能电子有限公司 | A kind of highly conductive relay |
| CN209388962U (en) * | 2019-02-15 | 2019-09-13 | 东莞市中汇瑞德电子股份有限公司 | A kind of miniature electro-magnetic relay of high current |
-
2019
- 2019-02-15 CN CN201910122642.1A patent/CN109741993A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201562637U (en) * | 2009-11-27 | 2010-08-25 | 宁波天波纬业电器有限公司 | Normally opened relay for vehicle |
| CN203983179U (en) * | 2014-05-30 | 2014-12-03 | 厦门台松精密电子有限公司 | Relay conductive structure |
| CN105374633A (en) * | 2015-06-26 | 2016-03-02 | 厦门宏发电力电器有限公司 | Movable contact spring-armature component and clapper-type electromagnetic relay |
| CN205789766U (en) * | 2016-06-30 | 2016-12-07 | 浙江正泰汽车科技有限公司 | Automotive relay |
| CN206225296U (en) * | 2016-12-05 | 2017-06-06 | 漳州宏发电声有限公司 | The electromagnetic relay of bridging contact |
| CN206574657U (en) * | 2017-03-23 | 2017-10-20 | 东莞市永能电子有限公司 | A kind of highly conductive 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 |
| CN209388962U (en) * | 2019-02-15 | 2019-09-13 | 东莞市中汇瑞德电子股份有限公司 | A kind of miniature electro-magnetic relay of high current |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424898A (en) * | 2022-11-04 | 2022-12-02 | 东莞市中汇瑞德电子股份有限公司 | Double-breakpoint relay |
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