CN109920700A - High magnetic force relay - Google Patents
High magnetic force relay Download PDFInfo
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- CN109920700A CN109920700A CN201910093200.9A CN201910093200A CN109920700A CN 109920700 A CN109920700 A CN 109920700A CN 201910093200 A CN201910093200 A CN 201910093200A CN 109920700 A CN109920700 A CN 109920700A
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- magnet steel
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- movable contact
- stationary contact
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Abstract
Electric arc arc blow-out direction, the better high magnetic force relay of arc quenching effect can be changed the object of the present invention is to provide a kind of.To achieve the above object, the present invention adopts the following technical scheme: a kind of high magnetic force relay, including shell, movable contact component and stationary contact component are equipped in the shell, the movable contact component includes movable contact spring and the movable contact that is fixed on movable contact spring, the stationary contact component includes and the one-to-one stationary contact of movable contact, the place plane peripheral side of the contact surface of the movable contact and stationary contact is equipped with the first magnet steel, the second magnet steel and third magnet steel, first magnet steel is oppositely arranged with the second magnet steel, and third magnet steel is between the first magnet steel and the second magnet steel.
Description
Technical field
The present invention relates to a kind of high magnetic force relays.
Background technique
The shell of relay and some components are manufactured from plastic, and the disjunction of sound contact can generate electric arc, are made for a long time
With rear, plastic part can be burnt it is black, melt and deform, there is the risk being burned out in relay；For this purpose, existing relay can only be accomplished
450V or so, so that existing relay use occasion is limited, it is impossible to be used in high pressure field (DC voltage is higher than 450V), Bu Nengyong
In on new energy vehicle, bus.
Movable contact and stationary contact disjunction can generate electric arc, for arc extinguishing, can select the coil turn for increasing magnetic circuit, can make after
Electric appliance volume increases.The Chinese patent of Patent No. 201510148073.X discloses a kind of arc extinguishing magnetic circuit, using four blocks of magnet steel
Arc extinguishing is carried out with two pieces of L-shaped yoke folders, arc extinguishing is carried out to generate Ampere force to resist contact repulsion by setting magnet steel, is tied
Structure is complicated, higher cost.
Summary of the invention
Electric arc arc blow-out direction, the better high magnetic force relay of arc quenching effect can be changed the object of the present invention is to provide a kind of.
To achieve the above object, the present invention adopts the following technical scheme: a kind of high magnetic force relay, including shell, it is described
Movable contact component and stationary contact component are equipped in shell, the movable contact component includes movable contact spring and is fixed on dynamic on movable contact spring
Contact, the stationary contact component include with the one-to-one stationary contact of movable contact, the contact surface of the movable contact and stationary contact
Place plane peripheral side is equipped with the first magnet steel, the second magnet steel and third magnet steel, and the first magnet steel is oppositely arranged with the second magnet steel, and the
Three magnet steel are between the first magnet steel and the second magnet steel.
The first magnet steel, the second magnet steel and third magnet steel is arranged in sound contact side in the present invention, by three magnet steel so that magnetic
Steel is formed with a circuit, changes arc blow-out direction, increases arcing distance, to improve arc quenching effect；And the present invention can also mention
Effective magnetic field intensity at high movable contact and the disjunction of stationary contact point contact, so that the magnetic field strength of sound contact junction is bigger, with
Further increase arc quenching effect；So that invention relay voltage can do it is bigger so that the scope of application is wider, while big voltage
Setting the contact disjunction between sound contact can also be made more sensitive.Wherein, the magnetic circuit part of invention relay may be selected existing
There is the magnetic circuit part of any relay, moving spring part and quiet spring part can also be used the existing structure of existing relay.
Preferably, being equipped with magnetic isolation plate on the outside of first magnet steel, on the outside of the second magnet steel, on the outside of third magnet steel.Every magnetic
Plate increases the effective magnetic field on the inside of magnet steel for reducing leakage field.
Preferably, being equipped with arc baffle on the inside of first magnet steel, on the inside of the second magnet steel, on the inside of third magnet steel.It is above-mentioned
Setting contacts to avoid electric arc with magnet steel.
Preferably, the movable contact includes left movable contact and right movable contact, the stationary contact includes and left movable contact pair
Left stationary contact, the left stationary contact corresponding with right movable contact answered, the movable contact are located at stationary contact front side or rear side, and described first
Magnet steel is located on the left of left movable contact and left stationary contact, and the second magnet steel is located on the right side of right movable contact and right stationary contact, third magnet steel position
In movable contact and right contact upside or downside.
Preferably, the movable contact includes left movable contact and right movable contact, the stationary contact includes and left movable contact pair
Left stationary contact, the left stationary contact corresponding with right movable contact answered, the movable contact are located at stationary contact front side or rear side, and described first
Magnet steel is located on the upside of left movable contact and left stationary contact, and the second magnet steel is located on the downside of right movable contact and right stationary contact, third magnet steel position
In movable contact and stationary contact left or right side.
Preferably, the place plane of the contact surface of the movable contact and stationary contact and the first magnet steel are towards the end of stationary contact
Face, the second magnet steel are vertically arranged towards the end face of stationary contact and the end face of third magnet steel towards stationary contact.Above-mentioned setting is so that dynamic
Effective magnetic field is stronger at stationary contact contact surface, can be changed to more electric arc arc blow-outs direction, to greatly improve arc extinguishing ability.
The present invention has so that movable contact and the effective magnetic field of stationary contact contact position are bigger, can change electric arc arc blow-out direction,
The advantages of to increase substantially arc extinguishing ability.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the first magnet steel of the invention, the second magnet steel and third magnet steel；
Fig. 2 is another structural schematic diagram of the first magnet steel of the invention, the second magnet steel and third magnet steel；
A kind of cross-sectional view of first magnet steel, the second magnet steel and third magnet steel Fig. 3 of the invention.
Specific embodiment
Below according to the drawings and specific embodiments, the invention will be further described.
As shown in Fig. 1 to Fig. 3, a kind of high magnetic force relay of the invention, including shell, shell is interior to be equipped with movable contact component
With stationary contact component, movable contact component includes movable contact spring and the movable contact that is fixed on movable contact spring, and stationary contact component includes and moves
Contact corresponds and is located at the stationary contact on front side of movable contact, and the place plane peripheral side of the contact surface of movable contact and stationary contact is set
There are the first magnet steel 1, the second magnet steel 2 and third magnet steel 3, the first magnet steel 1 is oppositely arranged with the second magnet steel 2, and third magnet steel 3 is located at
Between first magnet steel 1 and the second magnet steel 2.
Wherein, magnetic isolation plate 4, the first magnet steel 1 are equipped on the outside of the first magnet steel 1, on the outside of the second magnet steel 2, on the outside of third magnet steel 3
Arc baffle 5 is equipped on the inside of inside, the second magnet steel 2, on the inside of third magnet steel 3.
Movable contact includes left movable contact 61 and right movable contact 62, and stationary contact includes left stationary contact corresponding with left movable contact 61
71, left stationary contact 72 corresponding with right movable contact 62, movable contact are located at stationary contact front side or rear side, and the first magnet steel 1 is located at left dynamic
71 left side of contact 61 and left stationary contact, the second magnet steel 2 are located at right movable contact 61 and right 72 right side of stationary contact, and third magnet steel 3 is located at
On the upside of movable contact and stationary contact or downside.
The present invention is provided with the first magnet steel, the second magnet steel and third magnetic in the peripheral side of plane where the contact surface of sound contact
Steel, three magnet steel are so that magnetic field is formed with a circuit, so that the effective magnetic field at movable contact and stationary contact is bigger, so that sound
The magnetic field strength of contact contact position is bigger, and the arc blow-out direction of electric arc produced by the disjunction of sound contact is made to be changed and control,
The arc extinguishing ability greatly improved is beaten on plastic part to avoid electric arc caused by the disjunction of sound contact with the relay that ignites, with
Invention relay voltage is set to do bigger, so that the scope of application is wider, while the setting of big voltage can also make sound contact
Between contact disjunction it is more sensitive.
Claims (5)
1. a kind of high magnetic force relay, it is characterised in that including shell, movable contact component and stationary contact group are equipped in the shell
Part, the movable contact component include movable contact spring and the movable contact that is fixed on movable contact spring, and the stationary contact component includes and dynamic touching
The place plane peripheral side of the contact surface of the one-to-one stationary contact of point, the movable contact and stationary contact is equipped with the first magnet steel, the
Two magnet steel and third magnet steel, the first magnet steel are oppositely arranged with the second magnet steel, and third magnet steel is located at the first magnet steel and the second magnet steel
Between.
2. high magnetic force relay according to claim 1, it is characterised in that on the outside of first magnet steel, outside the second magnet steel
Magnetic isolation plate is equipped on the outside of side, third magnet steel.
3. high magnetic force relay according to claim 1, it is characterised in that on the inside of first magnet steel, in the second magnet steel
Arc baffle is equipped on the inside of side, third magnet steel.
4. high magnetic force relay according to claim 1, it is characterised in that the movable contact includes that left movable contact and the right side are dynamic
Contact, the stationary contact include and the corresponding left stationary contact of left movable contact, left stationary contact corresponding with right movable contact the dynamic touching
Point is located at stationary contact front side or rear side, and first magnet steel is located on the left of left movable contact and left stationary contact, and the second magnet steel is located at the right side
On the right side of movable contact and right stationary contact, third magnet steel is located on the upside of movable contact and right contact or downside.
5. high magnetic force relay according to claim 1, it is characterised in that the movable contact includes that left movable contact and the right side are dynamic
Contact, the stationary contact include and the corresponding left stationary contact of left movable contact, left stationary contact corresponding with right movable contact the dynamic touching
Point is located at stationary contact front side or rear side, and first magnet steel is located on the upside of left movable contact and left stationary contact, and the second magnet steel is located at the right side
On the downside of movable contact and right stationary contact, third magnet steel is located at movable contact and stationary contact left or right side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018116524753 | 2018-12-31 | ||
| CN201811652475 | 2018-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109920700A true CN109920700A (en) | 2019-06-21 |
Family
ID=66961203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910093200.9A Pending CN109920700A (en) | 2018-12-31 | 2019-01-30 | High magnetic force relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109920700A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211842A (en) * | 2019-06-28 | 2019-09-06 | 浙江英洛华新能源科技有限公司 | A kind of efficient arc extinguishing relay |
| CN112542336A (en) * | 2020-11-25 | 2021-03-23 | 厦门宏发电力电器有限公司 | High-voltage direct-current relay for magnetic steel arc extinction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881506A (en) * | 2005-06-14 | 2006-12-20 | 厦门宏发电声有限公司 | Improvement of electromagnetic relay magnetic circuit structure and its working method |
| CN104952669A (en) * | 2015-06-30 | 2015-09-30 | 厦门宏发电声股份有限公司 | High-voltage direct-current relay |
| US20160133404A1 (en) * | 2013-07-05 | 2016-05-12 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Framework of relay and relay |
| CN107507737A (en) * | 2017-08-25 | 2017-12-22 | 浙江英洛华新能源科技有限公司 | The relay of efficient arc extinguishing |
-
2019
- 2019-01-30 CN CN201910093200.9A patent/CN109920700A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881506A (en) * | 2005-06-14 | 2006-12-20 | 厦门宏发电声有限公司 | Improvement of electromagnetic relay magnetic circuit structure and its working method |
| US20160133404A1 (en) * | 2013-07-05 | 2016-05-12 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Framework of relay and relay |
| CN104952669A (en) * | 2015-06-30 | 2015-09-30 | 厦门宏发电声股份有限公司 | High-voltage direct-current relay |
| CN107507737A (en) * | 2017-08-25 | 2017-12-22 | 浙江英洛华新能源科技有限公司 | The relay of efficient arc extinguishing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211842A (en) * | 2019-06-28 | 2019-09-06 | 浙江英洛华新能源科技有限公司 | A kind of efficient arc extinguishing relay |
| CN112542336A (en) * | 2020-11-25 | 2021-03-23 | 厦门宏发电力电器有限公司 | High-voltage direct-current relay for magnetic steel arc extinction |
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