CN208954906U - High voltage direct current relay - Google Patents
High voltage direct current relay Download PDFInfo
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- CN208954906U CN208954906U CN201821870892.0U CN201821870892U CN208954906U CN 208954906 U CN208954906 U CN 208954906U CN 201821870892 U CN201821870892 U CN 201821870892U CN 208954906 U CN208954906 U CN 208954906U
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- magnet steel
- contact point
- high voltage
- dynamic
- direct current
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Abstract
The utility model discloses a kind of high voltage direct current relay, including shell, the first energized relay circuit and the second energized relay circuit are equipped in shell, each energized relay circuit controls a contact point unit and switches on and off, two contact point units are distributed side by side in X direction, avris magnet is equipped on the outside of contact point unit in X direction, intermediate magnet steel is equipped between two contact point units, magnetic conduction heel piece is equipped on the inside of two contact point units to surround avris magnet steel and intermediate magnet steel, intermediate magnet steel and two avris magnet steel are respectively formed magnetic field, magnetic conduction heel piece, the parallel magnetic quenching structure of heavier-duty is collectively formed with intermediate magnet steel for avris magnet steel.The utility model divides arc, and parallel magnetic quenching means by multiconductor, improves contact current interruption ability.
Description
Technical field
The utility model discloses a kind of high voltage direct current relay, belongs to relay by International Patent Classification (IPC) (IPC) division
Manufacturing technology field.
Background technique
Electric arc is problem inevitable in relay contact closure and disjunction action process, it greatly reduces relay
The service life of contact.If switch 200Vd.c. or more high voltage load, since voltage is too high, cannot reliable current interruption,
It is be easy to cause pitting of contact, or even contact occurs and glues dead failure, is not able to satisfy the requirement that user loads high voltage.
Currently, relay current interruption problem generallys use research and development alloy contact resistant to high temperature or setting arc-chutes are realized, it is such as true
Empty arc extinguishing, magnetic quenching, Chinese document CN204289271U provide a kind of high voltage direct current relay with magnetic-quenching arc-extinguishing device
Device, including outer cover, bracket, insulation board, lug plate, seat board, binding post, contact, movable contact spring and magnetic-quenching arc-extinguishing device；The outer cover
It is installed in bracket, lug plate is also set up on the side wall of the outer cover, is disposed with insulation board and seat on the upside of the outer cover
Plate is provided with magnetic-quenching arc-extinguishing device on the seat board, and in the two sides of movable contact spring, i.e. arc is led in the two sides setting dislocation of current direction
Cooling fin.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of high voltage direct current relay, divides arc by multiconductor,
And parallel magnet and magnetic conductive iron sheet are set by contact, so that magnetic field is formed parallel magnetic quenching means with electric field, it is disconnected to improve contact
Arc ability.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions:
A kind of high voltage direct current relay, including shell, shell is interior to be equipped with the first energized relay circuit and the second energized relay circuit,
Each energized relay circuit controls a contact point unit and switches on and off, and two contact point units are distributed side by side in X direction, in X direction contact
Be equipped with avris magnet on the outside of unit, intermediate magnet steel be equipped between two contact point units, be equipped on the inside of two contact point units magnetic conduction heel piece with
Surround avris magnet steel and intermediate magnet steel, intermediate magnet steel and two avris magnet steel are respectively formed magnetic field, magnetic conduction heel piece, avris magnet steel and
The parallel magnetic quenching structure of heavier-duty is collectively formed in intermediate magnet steel.
Further, contact point unit includes two groups of dynamic and static contacts, conducting of connecting between dynamic and static contact, two energized relay circuit controls
It makes four groups of dynamic and static contacts formation multiconductors and divides arc structure, current direction cloth vertical with magnet steel formation magnetic direction between dynamic and static contact
Office, the electric arc that dynamic and static contact generates when disconnecting are formed under the arc blowing function of magnetic field to pedestal or far from the elongation arc in pedestal direction.
Further, on dynamic spring, dynamic spring connect to form the dynamic touching of attaching type with armature for the movable contact setting of every group of dynamic and static contact
Piece, movable contact spring are externally provided with limit film to control the outward angle of movable contact spring, and movable contact spring and plane where limit film are perpendicular
Relationship, limit film are fixedly installed on the intracorporal coil holder of shell.
Further, magnetic conduction heel piece is U-shaped, and magnetic conduction heel piece bottom surface is in X direction across each contact point unit and to two avris magnet steel
Three bread cloth offices are extended to form outside, and the U-shaped opening end face of magnetic conduction heel piece is higher than the contact position of each contact point unit.
Further, the first energized relay circuit and the second energized relay circuit include an electromagnetic coil, and electromagnetic coil is mounted on
On the intracorporal coil holder of shell, two energized relay circuits by left and right weld tabs it is in parallel after be electrically connected with two coil pin, coil pin is to shell
Relay inserted terminal is extended to form in vitro.
Further, shell includes pedestal and shell, and shell is fastened on pedestal and forms installation space, pedestal be equipped with arc extinguishing lattice with
Each dynamic and static contact is corresponding to form the effective distance elongated to pedestal direction electric arc.
Further, it is upwardly formed partition between adjacent arc extinguishing lattice, limit film is placed on partition, and moving spring has U-shaped reed portion
Across limit film and partition.
Further, the arc extinguishing lattice of pedestal are three face ring wall constructions, and arc extinguishing lattice bottom has more than one bar shaped in X direction
The interval of slot, strip groove forms guiding surface structure to X-direction front and rear wall.
The utility model is controlled two groups of dynamic and static contacts respectively and is switched on and off by two group relay magnetic circuits, move,
It connects and is connected between stationary contact, divide arc by multiconductor, and add three magnet steel (or magnet) and magnetic conduction heel piece (to lead beside contact
Flat thin magnet), using lefft-hand rule, magnetic field forms parallel magnetic quenching means with electric field, improves contact current interruption ability.
Detailed description of the invention
Fig. 1 is the utility model embodiment appearance diagram.
Fig. 2 is that the utility model removes one schematic diagram of shell.
Fig. 3 is that the utility model removes another schematic diagram of shell.
Fig. 4 is cross-sectional view at one contact of the utility model embodiment.
Fig. 5 is the utility model embodiment schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment: please referring to Fig. 1 to Fig. 5, a kind of high voltage direct current relay, including shell 1, be equipped in shell 1 first after
Electric appliance magnetic circuit 21 and the second energized relay circuit 22, each energized relay circuit control a contact point unit 31,32 and switch on and off, two touchings
Dot element is distributed side by side in X direction, is equipped with avris magnet 41,42 on the outside of contact point unit in X direction, is equipped between two contact point units
Intermediate magnet steel 43, magnetic conduction heel piece 44 is equipped on the inside of two contact point units to surround avris magnet steel and intermediate magnet steel, intermediate magnet steel with
Two avris magnet steel are respectively formed magnetic field, and the flat of heavier-duty is collectively formed in magnetic conduction heel piece 44, avris magnet steel 41,42 and intermediate magnet steel 43
Row magnetic quenching structure.Each contact point unit includes two groups of dynamic and static contacts 311,312 in the utility model, between dynamic and static contact
Series connection conducting, two energized relay circuits control four groups of dynamic and static contacts formation multiconductors and divide arc structure, current direction between dynamic and static contact
Magnetic direction vertical arrangement, the electric arc that dynamic and static contact 301,302 generates when disconnecting shape under the arc blowing function of magnetic field are formed with magnet steel
At to pedestal or far from the elongation arc in pedestal direction.The movable contact of every group of dynamic and static contact is arranged on dynamic spring 5, moves spring 5 and armature
6 connections form attaching type movable contact spring, and movable contact spring is externally provided with limit film 7 to control the outward angle of movable contact spring, movable contact spring with
The perpendicular relationship of plane where limit film, limit film 7 are fixedly installed on the intracorporal coil holder of shell.The magnetic conduction that the utility model uses
Yoke 44 is U-shaped, and 44 bottom surface of magnetic conduction heel piece extends to form three bread across each contact point unit and to outside two avris magnet steel in X direction
Cloth office, the U-shaped opening end face of magnetic conduction heel piece 44 are higher than the contact position of each contact point unit.
Referring to Fig. 2, the first energized relay circuit 21 and the second energized relay circuit 22 include an electromagnetism in the utility model
Coil, electromagnetic coil are mounted on the coil holder 8 in shell 1, two energized relay circuits by after left and right weld tabs 91,92 parallel connections with two
Coil pin 901,902 is electrically connected, and coil pin extends to form relay inserted terminal to outside shell 1.
Fig. 1 and Fig. 2,3 are please referred to, the utility model shell 1 includes pedestal 11 and shell 12, and shell 12 is fastened on pedestal 11
Installation space is formed, it is corresponding with each dynamic and static contact to form having to the elongation of pedestal direction electric arc that pedestal 11 is equipped with arc extinguishing lattice 110
Imitate distance.Partition 111 is upwardly formed between adjacent arc extinguishing lattice 110, limit film 7 is placed on partition 111, and moving spring 5 has U-shaped reed
Portion is across limit film and partition.The arc extinguishing lattice of pedestal 11 are three face ring wall constructions, and arc extinguishing lattice bottom has more than one along the side X
To strip groove, the interval of strip groove forms guiding surface structure to X-direction front and rear wall.
Referring to Fig. 4, the present embodiment is set, the direction electric current I is as shown, and the direction in magnet steel magnetic field is perpendicular to paper and outside, root
According to electromagnetism lefft-hand rule, electric arc stress F is downward, i.e., towards pedestal, is correspondingly provided with arc extinguishing lattice or arc-chute or arc-chutes on pedestal；
When another dynamic and static contact of same contact point unit disconnects, electric arc stress is upward, i.e., far from pedestal, at this time above dynamic and static contact
Arc extinguishing space is larger.
Fig. 2, Fig. 3 are please referred to, is resisted against on yoke 201 at the top of armature 6 in the utility model, 201 top of armature, which is formed, to hang
One tension spring 202 of hook connects, the tension spring other end connect the hook of 201 distal end of yoke.The stationary contact setting in outside exists in contact point unit
Quiet spring foot, quiet spring foot pass through pedestal and form pin, and the stationary contact on the inside of contact point unit is arranged in intermediate conductive sheet, intermediate conductive sheet
The stationary contact for connecting the inside of another contact point unit forms dynamic and static contact series structure.Face is perpendicular to line where tip side pin
Pin is enclosed, 1 top surface of shell extends outwardly engaging lug, and engaging lug is equipped with screw copper sheathing 121.
The utility model is controlled two groups of dynamic and static contacts respectively and is switched on and off by two group relay magnetic circuits, move,
It connects and is connected between stationary contact, divide arc by multiconductor, and add three magnet steel (or magnet) and magnetic conduction heel piece (to lead beside contact
Flat thin magnet), using lefft-hand rule, magnetic field forms parallel magnetic quenching means with electric field, improves contact current interruption ability.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (9)
1. a kind of high voltage direct current relay, it is characterised in that: be equipped with including shell, in shell the first energized relay circuit and second after
Electric appliance magnetic circuit, each energized relay circuit control a contact point unit and switch on and off, and two contact point units are distributed side by side in X direction, along X
It is equipped with avris magnet on the outside of the contact point unit of direction, intermediate magnet steel is equipped between two contact point units, is equipped with and leads on the inside of two contact point units
For magnetic vibrating feeder yoke to surround avris magnet steel and intermediate magnet steel, intermediate magnet steel and two avris magnet steel are respectively formed magnetic field, magnetic conduction heel piece, side
The parallel magnetic quenching structure of heavier-duty is collectively formed with intermediate magnet steel for side magnet steel.
2. high voltage direct current relay according to claim 1, it is characterised in that: contact point unit includes two groups of dynamic and static contacts,
It connects and is connected between dynamic and static contact, two energized relay circuits control four groups of dynamic and static contacts formation multiconductors and divide arc structure, dynamic and static touching
Current direction and magnet steel form magnetic direction vertical arrangement between point, and the electric arc that dynamic and static contact generates when disconnecting is made in magnetic field arc blow-out
It is formed with lower to pedestal or far from the elongation arc in pedestal direction.
3. high voltage direct current relay according to claim 2, it is characterised in that: the movable contact setting of every group of dynamic and static contact
On dynamic spring, dynamic spring connect to form attaching type movable contact spring with armature, and movable contact spring is externally provided with limit film to control movable contact spring and open outward
The perpendicular relationship of plane where the angle opened, movable contact spring and limit film, limit film are fixedly installed on the intracorporal coil holder of shell.
4. high voltage direct current relay according to claim 1, it is characterised in that: magnetic conduction heel piece is U-shaped, magnetic conduction heel piece bottom surface
Three bread cloth offices, the U-shaped opening end of magnetic conduction heel piece are extended to form across each contact point unit and to outside two avris magnet steel in X direction
Face is higher than the contact position of each contact point unit.
5. high voltage direct current relay according to claim 1, it is characterised in that: the first energized relay circuit and the second relay
Magnetic circuit includes an electromagnetic coil, and electromagnetic coil is mounted on the intracorporal coil holder of shell, and two energized relay circuits pass through left and right weld tabs simultaneously
It is electrically connected after connection with two coil pin, coil pin extends to form relay inserted terminal to outside shell.
6. high voltage direct current relay according to one of claims 1 to 5, it is characterised in that: shell includes pedestal and shell,
Shell is fastened on pedestal and forms installation space, and it is corresponding with each dynamic and static contact to be formed to pedestal direction electricity that pedestal is equipped with arc extinguishing lattice
The effective distance that arc elongates.
7. high voltage direct current relay according to claim 6, it is characterised in that: be upwardly formed between adjacent arc extinguishing lattice every
Plate, limit film are placed on partition, and moving spring has U-shaped reed portion across limit film and partition.
8. high voltage direct current relay according to claim 6, it is characterised in that: the arc extinguishing lattice of pedestal are three face ring wall knots
Structure, arc extinguishing lattice bottom have more than one strip groove in X direction, and the interval of strip groove forms guiding tiltedly to X-direction front and rear wall
Face structure.
9. high voltage direct current relay according to claim 7, it is characterised in that: the arc extinguishing lattice of pedestal are three face ring wall knots
Structure, arc extinguishing lattice bottom have more than one strip groove in X direction, and the interval of strip groove forms guiding tiltedly to X-direction front and rear wall
Face structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821870892.0U CN208954906U (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821870892.0U CN208954906U (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954906U true CN208954906U (en) | 2019-06-07 |
Family
ID=66744622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821870892.0U Active CN208954906U (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay |
Country Status (1)
| Country | Link |
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| CN (1) | CN208954906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243923A (en) * | 2018-11-14 | 2019-01-18 | 厦门普利得汽车电子有限公司 | High voltage direct current relay |
| CN113963995A (en) * | 2021-10-19 | 2022-01-21 | 广西睿奕科技开发有限公司 | A switching magnetic latching relay |
-
2018
- 2018-11-14 CN CN201821870892.0U patent/CN208954906U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243923A (en) * | 2018-11-14 | 2019-01-18 | 厦门普利得汽车电子有限公司 | High voltage direct current relay |
| CN109243923B (en) * | 2018-11-14 | 2024-07-16 | 厦门普利得汽车电子有限公司 | High-voltage direct-current relay |
| CN113963995A (en) * | 2021-10-19 | 2022-01-21 | 广西睿奕科技开发有限公司 | A switching magnetic latching relay |
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