CN107507736A - A kind of relay of efficiently arc extinguishing - Google Patents
A kind of relay of efficiently arc extinguishing Download PDFInfo
- Publication number
- CN107507736A CN107507736A CN201710740230.5A CN201710740230A CN107507736A CN 107507736 A CN107507736 A CN 107507736A CN 201710740230 A CN201710740230 A CN 201710740230A CN 107507736 A CN107507736 A CN 107507736A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- magnetic conduction
- movable contact
- folder
- relay
- 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
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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
- H01H50/16—Magnetic circuit arrangements
Abstract
The invention discloses a kind of relay of efficiently arc extinguishing, including insulating boot, yoke plate, the insulating boot coordinates with yoke plate to form the chamber for accommodating movable contact and stationary contact, movable contact spring is provided with the chamber, the left and right ends of the movable contact spring are respectively equipped with a movable contact, the front side of the movable contact and rear side are equipped with magnet steel, the magnet steel is located on the outside of insulating boot, the movable contact includes left movable contact and right movable contact, the stationary contact includes the left stationary contact corresponding with left movable contact, the right stationary contact corresponding with right movable contact, the magnet steel is made up of two left magnet steel and two right magnet steel, the front side of the left movable contact and rear side are respectively equipped with a left magnet steel, the front side of the right movable contact and rear side are respectively equipped with a right magnet steel.
Description
Technical field
The present invention relates to a kind of HVDC relay.
Background technology
For the movable contact of high-voltage relay with that can produce electric arc during stationary contact disjunction, electric arc can cause movable contact to be connect with stationary contact
The corrosion of synapsis, influence the service life of movable contact and stationary contact.To carry out arc extinguishing processing to electric arc, generally in sound contact
Magnet steel is placed in outer circumferential, but existing magnet steel is annular or arc, and processing technology requires higher, so that cost is increased.
The content of the invention
It is an object of the invention to provide it is a kind of can efficiently arc extinguishing, the relay of cost can be reduced.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of relay of efficiently arc extinguishing, including insulation
Cover, yoke plate, the insulating boot coordinate with yoke plate to form the chamber for accommodating movable contact and stationary contact, the chamber
Interior to be provided with movable contact spring, the left and right ends of the movable contact spring are respectively equipped with a movable contact, and the front side of the movable contact and rear side are all provided with
There is magnet steel, the magnet steel is located on the outside of insulating boot, and the movable contact includes left movable contact and right movable contact, and the stationary contact includes
The left stationary contact corresponding with left movable contact, with the corresponding right stationary contact of right movable contact, the magnet steel by two left magnet steel and
Two right magnet steel are formed, and the front side of the left movable contact and rear side are respectively equipped with a left magnet steel, the front side of the right movable contact
A right magnet steel is respectively equipped with rear side.
Because magnet steel is disposed on the outside of insulating boot, insulating boot is only used for accommodating sound contact assembly, the body of insulating boot
Product can be made small, to reduce insulating boot consumptive material, reduce production cost；Side is equal before and after the left movable contact and right movable contact of the present invention
Provided with a magnet steel, each contact is combined with two magnet steel, and for existing product, magnet steel volume is smaller, it is not necessary to by magnet steel
That does grows as insulating boot, to reduce magnet steel consumptive material, reduces production cost；Left movable contact and left stationary contact are located at two left magnetic
Caused by steel in magnetic line of force coverage, right movable contact and right stationary contact are positioned at magnetic line of force covering caused by two right magnet steel
In the range of, the position where left and right moving stationary contact is all the more dense position of density of line of magnetic force, and the center table magnetic of sound contact is more
Greatly, arc extinguishing ability is stronger, sound contact disjunction is more rapid, not perishable at sound contact, sound contact surface
It is difficult to be damaged, the service life of sound contact is extended；And the circle of coil can be reduced in the case where ensureing relay performance
Number, makees coil smaller, so as to reduce the volume of relay, or makes the reaction of relay in the case where ensureing coil turn
It is more sensitive.
Preferably, the preceding outer wall of insulating boot and rear outer wall extend with formed with placement step, the left side laterally
Magnet steel and right magnet steel are on the upside of the placement step, so that the height and position of the left magnet steel upper surface and right magnet steel upper surface
More than the height and position of stationary contact lower surface, the height and position of the left magnet steel lower surface and right magnet steel lower surface is in movable contact
Below the height and position of upper surface.
Place step be provided for raise magnet steel so that what magnet steel can be done in the case where can guarantee that contact center table magnetic
It is shorter, to reduce magnet steel manufacture material requested, to reduce production cost.Wherein, when the height and position of magnet steel upper surface is positioned at quiet
More than contact lower surface, when the height of magnet steel lower surface is located at below movable contact upper surface, sound contact center table magnetic highest, go out
Arc ability is most strong.
Preferably, the preceding outer wall of insulating boot and rear outer wall have been respectively formed on positioning convex, the left magnet steel is located at institute
State on the left of positioning convex, the right magnet steel is located on the right side of the positioning convex.Positioning convex is used to separate left magnet steel and right magnet steel,
Left and right magnet steel contact is avoided to influence magnetic line of force distribution, to ensure the size of sound contact neutrality table magnetic.
Preferably, the center line of the left magnet steel is located between the most left border and most right border of left movable contact, the right magnetic
The center line of steel is located between the most left border and most right border of right movable contact.In above-mentioned setting, it is stronger that sound contact is located at magnetic density
Position, sound contact center table magnetic greatly enhances, to improve arc quenching effect.
Preferably, the left movable contact is centrally located at the center line institute of the left magnet steel in the plane, it is described
Right movable contact is centrally located at the center line institute of the right magnet steel in the plane.In above-mentioned setting, sound contact center table
Magnetic is most strong, and arc extinguishing ability obtains maximum lift.
Preferably, the length of the left magnet steel be more than or equal to the left movable contact most left border between most right border away from
Length from, the right magnet steel is more than or equal to the most left border of the right movable contact to the distance between most right border.Above-mentioned setting with
Each position of sound contact is set to be respectively positioned in the range of the magnetic line of force of magnet steel, to improve sound contact center table magnetic, to improve arc extinguishing
Effect, so that sound contact disjunction is more rapid.
Preferably, the insulating boot is externally provided with magnetic conduction folder, the magnet steel is limited in the insulation cover outer wall and magnetic conduction
Between folder inwall, it is limited between positioning convex and magnetic conduction folder inwall.Wherein, magnetic conduction presss from both sides the fixation for magnet steel, to realize
Magnet steel horizontal direction it is spacing, avoid magnet steel from horizontally slipping.Wherein, magnetic conduction folder is additionally operable to compress the magnetic line of force, is touched with strengthening sound
Density of line of magnetic force at point, to improve sound contact center table magnetic.
Preferably, the magnetic conduction folder is made up of left magnetic conduction folder and right magnetic conduction folder, left magnetic conduction is provided with the outside of the left magnet steel
Folder, the right magnet steel outside are provided with right magnetic conduction and pressed from both sides, and the left magnetic conduction folder and right magnetic conduction are pressed from both sides and taken the shape of the letter U, and the left magnetic conduction folder surrounds
It is limited on the left of the insulating boot and by two left magnet steel on the inside of the left magnetic conduction folder, the right magnetic conduction folder is centered around described exhausted
The right magnetic conduction folder inner side is limited on the right side of edge cover and by two right magnet steel.
Wherein, left magnetic conduction folder and right magnetic conduction folder are respectively used to the fixation of left magnet steel and right magnet steel, and magnetic conduction folder is pressed from both sides by left magnetic conduction
Press from both sides and form with right magnetic conduction, rather than an entirety, the manufacture for being easy to magnetic conduction to press from both sides, and do not have to concern the dress caused by tolerance issues
With not the problem of.Because magnet steel can adsorb magnetic conduction folder, the dress of casing of relay can be carried out again after the assembling of magnetic conduction folder is completed
Match somebody with somebody.
Preferably, the insulating boot is externally provided with shell, the shell is set on the outside of the insulating boot, and on the upside of shell
Provided with upper lid, the left magnetic conduction folder and right magnetic conduction folder inner side are equipped with spacing preiection, and the left magnetic conduction folder and right magnetic conduction press from both sides equal position
On the inside of the shell, and the spacing preiection lower surface is in contact with the magnet steel upper surface, and the upper lid is fixed with shell
So that the upper lid lower surface contacts with magnetic conduction folder upper surface；The end of the left magnetic conduction folder extends to the left magnet steel right side
Right side, the end of the right magnetic conduction folder extends to the left side of the left side of the right magnet steel, the end of the left magnetic conduction folder with
The end Jian You gaps of right magnetic conduction folder.
Wherein, shell is used for the spacing fixation of magnetic conduction folder, avoids left magnetic conduction folder and right magnetic conduction folder from horizontally slipping, upper lid and limit
The raised cooperation in position is used for the spacing fixation of magnetic conduction folder upper-lower position, avoids magnetic conduction folder from sliding up and down.Wherein, the end of left magnetic conduction folder
Portion is extended on the right side of left magnet steel, and the end of right magnetic conduction folder extends to the left side of right magnet steel, maximumlly to compress the magnetic force of magnet steel
Line, to improve the center table magnetic of sound contact；There is gap between left magnetic conduction folder and right magnetic conduction folder, the magnetic line of force of left magnet steel is compressed in
On the left of relay, the magnetic line of force of right magnet steel is compressed on the right side of relay so that the magnetic line of force after compression will not be moved to left dynamic
Between contact and right movable contact, so that the table magnetic at sound contact center greatly improves.
Preferably, the lower end of the left magnetic conduction folder and the lower end of right magnetic conduction folder extend downwardly and are located at the mounting table
Rank outer circumferential, and the height and position of the left magnetic conduction folder lower end and the lower end of right magnetic conduction folder is respectively positioned on the height of insulating boot lower end
The upside of position.The fixation of left magnetic conduction folder and right magnetic conduction folder is easy in above-mentioned setting, has between magnetic conduction folder lower end and insulating boot lower surface
Certain distance, avoid that the situation generation that the magnet steel caused by magnetic conduction folder is too high does not press tightly occurs.
The present invention strengthens arcing ability, sound contact disjunction is more rapid, goes out with that can strengthen contact center table magnetic
Arc effect is more preferable, not perishable at sound contact, and sound contact surface is difficult to be damaged, and the service life of sound contact obtains
The advantages of extension；And the number of turn of coil can be reduced in the case where ensureing relay performance, make coil smaller, so as to reduce
The volume of relay, or make the reaction of relay more sensitive in the case where ensureing coil turn；The relay of the present invention is also
With manufacturing cost it is lower the advantages of.
Brief description of the drawings
Fig. 1 is a kind of sectional view of invention relay；
Fig. 2 is another sectional view of invention relay；
Fig. 3 is that invention relay removes a kind of structural representation after shell, upper lid and magnetic conduction folder.
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 relay of efficiently arc extinguishing of the invention, including insulating boot 1, yoke plate 2, insulation
Cover 1 coordinates with yoke plate 2 to form the chamber 10 having for accommodating movable contact and stationary contact, is provided with movable contact spring 3 in chamber, moves spring
The left and right ends of piece 3 are respectively equipped with a movable contact, and the front side of movable contact and rear side are equipped with magnet steel, and magnet steel is located at outside insulating boot 1
Side, movable contact include left movable contact 31 and right movable contact 32, stationary contact include the left stationary contact corresponding with left movable contact 31, with
The corresponding right stationary contact 34 of right movable contact 32, magnet steel are made up of two left magnet steel 41 and two right magnet steel 42, left movable contact 31
Front side and rear side be respectively equipped with a left magnet steel 41, the front side of right movable contact 32 and rear side are respectively equipped with a right magnet steel 42.
The insulating boot 1 of the present invention is formed by ceramic sintering, and insulating boot 1 is fixed by trip bolt and yoke plate 2, and trip bolt is through absolutely
It is screwed after edge cover 1 with yoke plate 2.
1 preceding outer wall of insulating boot and rear outer wall extend with formed with placement step 11, left magnet steel 41 and right magnet steel laterally
42 positioned at the upside of step 11 is placed, so that the height and position of the upper surface of left magnet steel 41 and the upper surface of right magnet steel 42 is in stationary contact lower end
It is more than the height and position in face, the height of the height and position of the left lower surface of magnet steel 41 and the lower surface of right magnet steel 42 in movable contact upper surface
Below position.Wherein, the length of left magnet steel 41 is more than the most left border of left movable contact 31 to the distance between most right border, right magnet steel 42
Length is more than the most left border of right movable contact 32 to the distance between most right border.
The center line of left magnet steel 41 is located between the most left border and most right border of left movable contact 31, the center line position of right magnet steel 42
Between the most left border and most right border of right movable contact 32.Wherein, left movable contact 31 is centrally located at the center of left magnet steel 41
In the plane, right movable contact 32 is centrally located at the center line institute of right magnet steel 42 in the plane for line institute.
1 preceding outer wall of insulating boot and rear outer wall have been respectively formed on positioning convex 12, and left magnet steel 41 is located at the left side of positioning convex 12,
Right magnet steel 42 is located at the right side of positioning convex 12.Insulating boot 1 is externally provided with magnetic conduction folder, and magnet steel is limited in the outer wall of insulating boot 1 and magnetic conduction
Between folder inwall, it is limited between positioning convex 12 and magnetic conduction folder inwall.Magnetic conduction folder is by left magnetic conduction folder 51 and right magnetic conduction folder 52
Form, the left outside of magnet steel 41 is provided with left magnetic conduction folder 51, and the right outside of magnet steel 42 is provided with right magnetic conduction folder 52, left magnetic conduction folder 51 and right magnetic conduction
Folder 52 takes the shape of the letter U, and left magnetic conduction folder 51 is centered around the left side of insulating boot 1 and two left magnet steel 41 are limited in into the left inner side of magnetic conduction folder 51,
Right magnetic conduction folder 52 is centered around the right side of insulating boot 1 and two right magnet steel 52 is limited in into the right inner side of magnetic conduction folder 52.
Insulating boot 1 is externally provided with shell 13, and shell 13 is set in the outside of insulating boot 1, and the upside of shell 13 is provided with upper lid 14, left
Magnetic conduction folder 51 and the inner side of right magnetic conduction folder 52 are equipped with spacing preiection 53, and left magnetic conduction folder 51 and right magnetic conduction folder 52 are respectively positioned in shell 13
Side, and the lower surface of spacing preiection 53 is in contact with magnet steel upper surface, upper lid 14 fixed with shell 13 so that the lower surface of upper lid 14 with
The upper surface contact of magnetic conduction folder.The end of left magnetic conduction folder 51 extends to the right side of the left right side of magnet steel 41, the end of right magnetic conduction folder 52
Extend to the left side of the left side of right magnet steel 42, the end and the end Jian You gaps of right magnetic conduction folder 52 of left magnetic conduction folder 51.Lead on a left side
The lower end of magnetic clutch 51 and the lower end of right magnetic conduction folder 52 extend downwardly and positioned at placement step 11 outer circumferentials, and left magnetic conduction presss from both sides 51
The height and position of lower end and the lower end of right magnetic conduction folder 52 is respectively positioned on the upside of the height and position of the lower end of insulating boot 1.
The present invention strengthens arcing ability, sound contact disjunction is more rapid, goes out with that can strengthen contact center table magnetic
Arc effect is more preferable, not perishable at sound contact, and sound contact surface is difficult to be damaged, and the service life of sound contact obtains
The advantages of extension；And the number of turn of coil can be reduced in the case where ensureing relay performance, make coil smaller, so as to reduce
The volume of relay, or make the reaction of relay more sensitive in the case where ensureing coil turn；The relay of the present invention is also
With manufacturing cost it is lower the advantages of.
Claims (10)
1. a kind of relay of efficiently arc extinguishing, it is characterised in that including insulating boot, yoke plate, the insulating boot coordinates with yoke plate
To form the chamber having for accommodating movable contact and stationary contact, movable contact spring, the left and right two of the movable contact spring are provided with the chamber
End is respectively equipped with a movable contact, and the front side of the movable contact and rear side are equipped with magnet steel, and the magnet steel is located on the outside of insulating boot, institute
Stating movable contact includes left movable contact and right movable contact, and the stationary contact includes the left stationary contact corresponding with left movable contact and the right side
The corresponding right stationary contact of movable contact, the magnet steel are made up of two left magnet steel and two right magnet steel, before the left movable contact
Side and rear side are respectively equipped with a left magnet steel, and the front side of the right movable contact and rear side are respectively equipped with a right magnet steel.
2. the relay of a kind of efficiently arc extinguishing according to claim 1, it is characterised in that the preceding outer wall of insulating boot is with after
Outer wall extends so that formed with step is placed, the left magnet steel and right magnet steel are located on the upside of the placement step laterally, so that
The height and position of the left magnet steel upper surface and right magnet steel upper surface is more than the height and position of stationary contact lower surface, the left magnetic
The height and position of steel lower surface and right magnet steel lower surface is below the height and position of movable contact upper surface.
3. the relay of a kind of efficiently arc extinguishing according to claim 1, it is characterised in that the preceding outer wall of insulating boot is with after
Outer wall has been respectively formed on positioning convex, and the left magnet steel is located on the left of the positioning convex, and the right magnet steel is located at the positioning
Raised right side.
A kind of 4. relay of efficiently arc extinguishing according to claim 1, it is characterised in that the center line position of the left magnet steel
Between the most left border and most right border of left movable contact, the center line of the right magnet steel is located at the most left border and most right border of right movable contact
Between.
A kind of 5. relay of efficiently arc extinguishing according to claim 4, it is characterised in that the centre bit of the left movable contact
In the left magnet steel the center line institute in the plane, the right movable contact is centrally located at the center of the right magnet steel
Line institute is in the plane.
6. the relay of a kind of efficiently arc extinguishing according to claim 1, it is characterised in that the length of the left magnet steel is more than
Or it is more than or equal to the right side equal to most left border to the distance between most right border, the length of the right magnet steel of the left movable contact and moves
The most left border of contact is to the distance between most right border.
7. the relay of a kind of efficiently arc extinguishing according to claim 3, it is characterised in that the insulating boot is externally provided with magnetic conduction
Folder, the magnet steel is limited between insulation cover outer wall and magnetic conduction the folder inwall, is limited in positioning convex and magnetic conduction press from both sides in
Between wall.
8. the relay of a kind of efficiently arc extinguishing according to claim 7, it is characterised in that the magnetic conduction folder is pressed from both sides by left magnetic conduction
Press from both sides and form with right magnetic conduction, being provided with left magnetic conduction on the outside of the left magnet steel is pressed from both sides, and being provided with right magnetic conduction on the outside of the right magnet steel is pressed from both sides, and the left side is led
Magnetic clutch and right magnetic conduction folder take the shape of the letter U, and the left magnetic conduction folder is centered around on the left of the insulating boot and two left magnet steel are limited in into institute
Left magnetic conduction folder inner side is stated, the right magnetic conduction folder is centered around on the right side of the insulating boot and two right magnet steel are limited in into the right magnetic conduction
Folder inner side.
A kind of 9. relay of efficiently arc extinguishing according to claim 8, it is characterised in that the insulating boot is externally provided with shell,
The shell is set on the outside of the insulating boot, and upper lid is provided with the upside of shell, and the left magnetic conduction folder and right magnetic conduction folder inner side are
Provided with spacing preiection, the left magnetic conduction folder and right magnetic conduction folder are respectively positioned on the inside of the shell, and the spacing preiection lower surface with
The magnet steel upper surface is in contact, and the upper lid is fixed with shell so that the upper lid lower surface connects with magnetic conduction folder upper surface
Touch；
The end of the left magnetic conduction folder extends to the right side of the left magnet steel right side, and the end of the right magnetic conduction folder extends to institute
State the left side of the left side of right magnet steel, the end and the end Jian You gaps of right magnetic conduction folder of the left magnetic conduction folder.
A kind of 10. relay of efficiently arc extinguishing according to claim 9, it is characterised in that the lower end of the left magnetic conduction folder and
The lower end of right magnetic conduction folder extends downwardly and positioned at the placement step outer circumferential, and the left magnetic conduction presss from both sides lower end and right magnetic conduction
The height and position of the lower end of folder is respectively positioned on the upside of the height and position of insulating boot lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740230.5A CN107507736A (en) | 2017-08-25 | 2017-08-25 | A kind of relay of efficiently arc extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740230.5A CN107507736A (en) | 2017-08-25 | 2017-08-25 | A kind of relay of efficiently arc extinguishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107507736A true CN107507736A (en) | 2017-12-22 |
Family
ID=60693437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740230.5A Pending CN107507736A (en) | 2017-08-25 | 2017-08-25 | A kind of relay of efficiently arc extinguishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107507736A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920704A (en) * | 2019-03-28 | 2019-06-21 | 浙江英洛华新能源科技有限公司 | Anti- Lorentz force relay |
| CN110010416A (en) * | 2019-03-28 | 2019-07-12 | 浙江英洛华新能源科技有限公司 | A kind of anti-Lorentz force relay |
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| CN205723352U (en) * | 2016-04-29 | 2016-11-23 | 浙江英洛华新能源科技有限公司 | HVDC relay arc blocking structure |
| CN106504948A (en) * | 2015-09-04 | 2017-03-15 | 欧姆龙株式会社 | Contact opening and closing device |
| CN106981400A (en) * | 2017-05-11 | 2017-07-25 | 浙江英洛华新能源科技有限公司 | A kind of high-voltage relay |
| CN107026056A (en) * | 2017-05-09 | 2017-08-08 | 东莞市三友联众电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN207134297U (en) * | 2017-08-25 | 2018-03-23 | 浙江英洛华新能源科技有限公司 | A kind of relay of efficiently arc extinguishing |
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2017
- 2017-08-25 CN CN201710740230.5A patent/CN107507736A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504948A (en) * | 2015-09-04 | 2017-03-15 | 欧姆龙株式会社 | Contact opening and closing device |
| CN205723352U (en) * | 2016-04-29 | 2016-11-23 | 浙江英洛华新能源科技有限公司 | HVDC relay arc blocking structure |
| CN107026056A (en) * | 2017-05-09 | 2017-08-08 | 东莞市三友联众电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN106981400A (en) * | 2017-05-11 | 2017-07-25 | 浙江英洛华新能源科技有限公司 | A kind of high-voltage relay |
| CN207134297U (en) * | 2017-08-25 | 2018-03-23 | 浙江英洛华新能源科技有限公司 | A kind of relay of efficiently arc extinguishing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920704A (en) * | 2019-03-28 | 2019-06-21 | 浙江英洛华新能源科技有限公司 | Anti- Lorentz force relay |
| CN110010416A (en) * | 2019-03-28 | 2019-07-12 | 浙江英洛华新能源科技有限公司 | A kind of anti-Lorentz force relay |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |