CN109243923A - High voltage direct current relay - Google Patents
High voltage direct current relay Download PDFInfo
- Publication number
- CN109243923A CN109243923A CN201811351270.1A CN201811351270A CN109243923A CN 109243923 A CN109243923 A CN 109243923A CN 201811351270 A CN201811351270 A CN 201811351270A CN 109243923 A CN109243923 A CN 109243923A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- dynamic
- contact point
- contact
- shell
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000010791 quenching Methods 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 238000010891 electric arc Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 235000008429 bread Nutrition 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
- H01H50/38—Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention 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 present invention divides arc, and parallel magnetic quenching means by multiconductor, improves contact current interruption ability.
Description
Technical field
The present invention discloses a kind of high voltage direct current relay, belongs to relay manufacture by International Patent Classification (IPC) (IPC) division
Technical 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.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of high voltage direct current relay, divide arc by multiconductor, and
Parallel magnet and magnetic conductive iron sheet are set by contact, magnetic field is made to form parallel magnetic quenching means with electric field, improves contact current interruption energy
Power.
In order to achieve the above objectives, the present invention is achieved by 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 present invention is controlled two groups of dynamic and static contacts respectively and is switched on and off by two group relay magnetic circuits, dynamic and static touching
It connects and is connected between point, divide arc by multiconductor, and add three magnet steel (or magnet) and magnetic conduction heel piece (magnetic conduction iron beside contact
Piece), 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 appearance diagram of the embodiment of the present invention.
Fig. 2 is that the present invention removes one schematic diagram of shell.
Fig. 3 is that the present invention removes another schematic diagram of shell.
Fig. 4 is cross-sectional view at one contact of the embodiment of the present invention.
Fig. 5 is schematic diagram of the embodiment of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
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 present invention, is connected between dynamic and static contact
Conducting, two energized relay circuits control four groups of dynamic and static contacts formation multiconductors and divide arc structure, current direction and magnetic between dynamic and static contact
Steel forms magnetic direction vertical arrangement, when dynamic and static contact 301,302 disconnects the electric arc that generates formed under the arc blowing function of magnetic field to
Pedestal or the elongation arc in separate pedestal direction.The movable contact of every group of dynamic and static contact is arranged on dynamic spring 5, moves spring 5 and connects with armature 6
It connects to form attaching type movable contact spring, movable contact spring is externally provided with limit film 7 to control the outward angle of movable contact spring, movable contact spring and limit
The perpendicular relationship of plane where piece, limit film 7 are fixedly installed on the intracorporal coil holder of shell.The magnetic conduction heel piece 44 that the present invention uses is in
U-shaped, 44 bottom surface of magnetic conduction heel piece extends to form three bread cloth offices across each contact point unit and to outside two avris magnet steel in X direction,
The U-shaped opening end face of magnetic conduction heel piece 44 is 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 electromagnetic coil in the present invention,
Electromagnetic coil is mounted on the coil holder 8 in shell 1, and two energized relay circuits after left and right weld tabs 91,92 parallel connections with two coil by drawing
Foot 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, inventive shell 1 includes pedestal 11 and shell 12, and shell 12 is fastened on the formation of pedestal 11
Installation space, pedestal 11 be equipped with arc extinguishing lattice 110 it is corresponding with each dynamic and static contact with formed to pedestal direction electric arc elongation it is effective away from
From.Partition 111 is upwardly formed between adjacent arc extinguishing lattice 110, limit film 7 is placed on partition 111, move spring 5 have U-shaped reed portion across
Cross 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 item in X direction
The interval of shape slot, 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 present invention, 201 top of armature forms hook and connects
A tension spring 202 is connect, the tension spring other end connects the hook of 201 distal end of yoke.The stationary contact in outside is arranged in quiet spring in contact point unit
Foot, quiet spring foot pass through pedestal and form pin, and the stationary contact setting on the inside of contact point unit is in intermediate conductive sheet, intermediate conductive sheet connection
The stationary contact of the inside of another contact point unit forms dynamic and static contact series structure.Draw perpendicular to coil in face where tip side pin
Foot, 1 top surface of shell extend outwardly engaging lug, and engaging lug is equipped with screw copper sheathing 121.
The present invention is controlled two groups of dynamic and static contacts respectively and is switched on and off by two group relay magnetic circuits, dynamic and static touching
It connects and is connected between point, divide arc by multiconductor, and add three magnet steel (or magnet) and magnetic conduction heel piece (magnetic conduction iron beside contact
Piece), 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 (8)
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 or 7, it is characterised in that: the arc extinguishing lattice of pedestal are three face ring walls
Structure, arc extinguishing lattice bottom have more than one strip groove in X direction, and the interval of strip groove is formed to X-direction front and rear wall to be oriented to
Bevel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351270.1A CN109243923A (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351270.1A CN109243923A (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109243923A true CN109243923A (en) | 2019-01-18 |
Family
ID=65074564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811351270.1A Pending CN109243923A (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243923A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010390A (en) * | 2019-05-14 | 2019-07-12 | 厦门宏发汽车电子有限公司 | Clapper type relay |
| CN110137038A (en) * | 2019-04-30 | 2019-08-16 | 广西睿奕科技开发有限公司 | The magnetic latching relay of the effectively disconnected electric arc that goes out |
| CN110890250A (en) * | 2019-09-30 | 2020-03-17 | 厦门宏发汽车电子有限公司 | Miniaturized combined relay capable of controlling two paths of loads |
| CN114496607A (en) * | 2020-11-12 | 2022-05-13 | 比亚迪股份有限公司 | Power distribution module |
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| CN208954906U (en) * | 2018-11-14 | 2019-06-07 | 厦门普利得汽车电子有限公司 | High voltage direct current relay |
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2018
- 2018-11-14 CN CN201811351270.1A patent/CN109243923A/en active Pending
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| US5264812A (en) * | 1992-05-19 | 1993-11-23 | Takamisawa Electric Co., Ltd. | Small, economical and stable polarized electromagnetic relay having two groups of electromagnetic relay portions |
| JPH10162712A (en) * | 1996-11-28 | 1998-06-19 | Taiko Device:Kk | Electromagnetic relay |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137038A (en) * | 2019-04-30 | 2019-08-16 | 广西睿奕科技开发有限公司 | The magnetic latching relay of the effectively disconnected electric arc that goes out |
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| CN110890250A (en) * | 2019-09-30 | 2020-03-17 | 厦门宏发汽车电子有限公司 | Miniaturized combined relay capable of controlling two paths of loads |
| CN114496607A (en) * | 2020-11-12 | 2022-05-13 | 比亚迪股份有限公司 | Power distribution module |
| CN114496607B (en) * | 2020-11-12 | 2023-09-05 | 比亚迪股份有限公司 | Power distribution module |
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