CN107507737A - The relay of efficient arc extinguishing - Google Patents
The relay of efficient arc extinguishing Download PDFInfo
- Publication number
- CN107507737A CN107507737A CN201710740271.4A CN201710740271A CN107507737A CN 107507737 A CN107507737 A CN 107507737A CN 201710740271 A CN201710740271 A CN 201710740271A CN 107507737 A CN107507737 A CN 107507737A
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- CN
- China
- Prior art keywords
- magnet steel
- insulating boot
- movable contact
- magnetic conduction
- relay
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- 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.)
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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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of relay of efficiently arc extinguishing, including insulating boot, yoke disk, the insulating boot coordinates with yoke disk 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 insulating boot is made up of insulating boot top and insulating boot bottom, the insulating boot top peripheral outer wall indent is with formed with the magnet steel standing groove stepped down to the magnet steel, the magnet steel is fixed in the magnet steel standing groove, the insulating boot lower, transverse cross sectional shape is cylindrical in shape, the insulating boot bottom is mutually fixed with the yoke disk.The advantages of present invention strengthens arcing ability with that can strengthen contact center table magnetic, and sound contact disjunction is more rapid, and arc quenching 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 is extended.
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.
Existing relay has circular and square two kinds of shapes, the insulating boot of round relay by enclosing part cylindrical in shape and
Formed in the top of plate shape, insulating boot is externally provided with the shell of tubular, and insulation enclosure volume is larger, if setting magnetic inside insulating boot
Steel, although reasonable employment space, caused by the disjunction of sound contact electric arc can melt magnet steel, so that relay performance reduces；
If setting magnet steel on the outside of insulating boot, apart from sound contact farther out, the center table magnetic of sound contact is relatively low, arc quenching effect for magnet steel
It is poor, do not reach arc extinguishing to extend the purpose of sound contact endurance, and set magnet steel to cause whole relay on the outside of insulating boot
Body product becomes big.
The content of the invention
It is an object of the invention to provide a kind of efficient arc extinguishing of energy, the relay that can be reduced cost, reduce volume.
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 disk, the insulating boot coordinate with yoke disk 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 insulating boot is made up of insulating boot top and insulating boot bottom, the insulation
Cover top peripheral outer wall indent is put so that formed with the magnet steel standing groove stepped down to the magnet steel, the magnet steel is fixed on the magnet steel
Put in groove, the insulating boot lower, transverse cross sectional shape is cylindrical in shape, and the insulating boot bottom is mutually fixed with the yoke disk.
The magnet steel of the present invention is arranged on the magnet steel standing groove of insulating boot, without being provided in insulating boot outer circumferential, magnetic
Steel apart from sound contact closer to, can strengthen contact center table magnetic, strengthen arcing ability, sound contact disjunction is more rapid,
Arc quenching 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
To 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 relay
The volume of device, or make the reaction of relay more sensitive in the case where ensureing coil turn.The magnet steel of the present invention is not about
Insulating boot, magnet steel consumptive material is less, and the magnet steel of the present invention is affixed in magnet steel standing groove, magnet steel can set in bar shaped or
Plate profile structure, for the magnet steel of tiles, manufacturing cost is lower.The relay of the present invention is applied to circular relay, is protecting
In the case of demonstrate,proving arc quenching effect, it can do insulation enclosure volume smaller, so that the volume of relay is smaller.
Preferably, the movable contact includes the left movable contact positioned at movable contact spring left end, moved positioned at the right side of movable contact spring right-hand member
Contact, 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 sound contact and rear side point
She You not a right magnet steel.Each movable contact is corresponding with two magnet steel, magnetic force caused by the magnet steel of side before and after each movable contact
Line density is bigger, and movable contact is located in the range of the high density magnetic line of force, and the center table magnetic of sound contact is bigger, arc extinguishing ability is stronger,
Sound contact is more rapid.
Preferably, the center line of the left magnet steel is located between the most left border and most right border of the left movable contact, it is described
The center line of right magnet steel is located between the most left border and most right border of right movable contact.In above-mentioned setting, it is stronger that contact is located at magnetic density
Position in, 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, contact center table magnetic is most
By force, arc extinguishing ability obtains maximum lift.
Preferably, the insulating boot top includes stationary contact receiving portion, the stationary contact holding tank has one and is used for
The holding tank of exit and stationary contact is accommodated, the front and rear sides of the stationary contact receiving portion are equipped with a location division, the left magnetic
Steel is located on the left of the location division, and the right magnet steel is located on the right side of the location division, and being provided with left magnetic conduction on the outside of the left magnet steel presss from both sides,
Right magnetic conduction is provided with the outside of the right magnet steel to press from both sides, the left magnetic conduction folder and right magnetic conduction folder take the shape of the letter U, and the left magnetic conduction folder is centered around institute
State insulating boot upper left-hand and two left magnet steel are limited in the left magnetic conduction folder inner side, the right magnetic conduction folder is centered around described exhausted
Two right magnet steel are simultaneously limited in the right magnetic conduction folder inner side by edge cover upper right.Wherein, left magnetic conduction folder and right magnetic conduction folder difference
For the fixation of left magnet steel and right magnet steel, location division is used to separate left magnet steel and right magnet steel, avoids left magnet steel from being contacted with right magnet steel
To influence magnetic line of force distribution.Left magnetic conduction folder and right magnetic conduction folder can be made of metal, due to the setting of insulating boot shaped upper part, and U
The setting of shape or so magnetic conduction folder, the both ends of left magnetic conduction folder can be attracting with left magnet steel, and so as to realize the spacing fixation of left magnet steel, the right side is led
The both ends of magnetic clutch can be attracting with right magnet steel, so as to realize the spacing fixation of right magnet steel.Wherein, left magnetic conduction folder and right magnetic conduction folder also rise
To the effect of the compression magnetic line of force, to strengthen contact center table magnetic.
Preferably, the left magnetic conduction folder outside is provided with two left magnetic isolation plates, the right magnetic conduction folder outside is provided with two right sides
Magnetic isolation plate, one end of the left magnetic conduction folder are limited between a left magnet steel and a left magnetic isolation plate, the left magnetic conduction folder
The other end is limited between another left magnet steel and another left magnetic isolation plate, and one end of the right magnetic conduction folder is limited in one
Between right magnet steel and a right magnetic isolation plate, the other end of the right magnetic conduction folder be limited in another right magnet steel with another it is right every
Between magnetic sheet, the left magnetic isolation plate and right magnetic isolation plate are made by metal material.It is attracting with reality by left magnetic isolation plate and left magnet steel
The fixation of existing left magnetic conduction folder, it is attracting to realize fixation that right magnetic conduction presss from both sides by right magnetic isolation plate and right magnet steel.
Preferably, the movable contact spring is in cross, between the front end of the movable contact spring and yoke disk, the rear end of movable contact spring with
One is equipped between yoke disk and returns power spring, the location division on the insulating boot top be internally formed downward through be used for moving spring
The slot to make way that piece front and back end is stepped down.The front and back end that power spring is arranged at cross movable contact spring is returned, without being provided in movable contact spring or so
The front and rear side of end so that the volume energy of insulating boot is done smaller, to reduce the volume of relay.
Preferably, the insulating boot is externally provided with shell, the shell is set on the outside of the insulating boot, the left magnetic conduction
Folder outer wall shape and right magnetic conduction folder outer wall shape are adapted with the outer casing inner wall shape, the left magnetic conduction folder and interior magnetic conduction folder
Outer wall is contacted with the outer casing inner wall, and the left magnetic conduction folder end is contacted with the location division left end face, and the right side is led
Magnetic clutch end contacts with the location division its right end face.By being contacted with outer casing inner wall and insulating boot location division left wall to realize
The limitation of left magnetic conduction folder right position, by contact with outer casing inner wall and insulating boot location division right wall to realize right magnetic conduction folder or so
The limitation of position, above-mentioned setting is to avoid left and right magnetic conduction folder from horizontally slipping, so that the fixation of parts is more stable.
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, so that sound is touched
Point contact disjunction is more rapid.
Preferably, the magnet steel standing groove extends upward through the insulating boot top, the magnet steel is fixed on by glue
In the magnet steel standing groove；Or the insulating boot is externally provided with shell, the shell is set on the outside of the insulating boot, and on shell
Side is provided with upper lid, and the upper lid extended downwardly is raised into having for the upper cap-shaped, the upper lid fixed with shell so that it is described it is upper cover it is convex
Rise and offseted with the magnet steel upper surface.Magnet steel standing groove extends upward through the setting on insulating boot top, so that the manufacture of insulating boot is more
For convenience, magnet steel dispensing is fixed in magnet steel standing groove, or the magnet steel of the present invention is to compress realization by upper lid and insulating boot
Spacing up and down, the fixation of magnet steel is very convenient.
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 a kind of structural representation that the sound contact of invention relay coordinates with magnet steel；
Fig. 4 is a kind of structural representation that invention relay removes shell and upper lid；
Fig. 5 is a kind of structural representation of the insulating boot of invention relay.
Embodiment
Below according to the drawings and specific embodiments, the invention will be further described.
As shown in Fig. 1 to Fig. 5, a kind of relay of efficiently arc extinguishing of the invention, including insulating boot 1, yoke disk 2, insulation
Cover 1 coordinates to form the chamber 10 having for accommodating movable contact and stationary contact 9 with yoke disk 2, and movable contact includes left movable contact 31
With right movable contact 32, chamber 10 is interior to be provided with movable contact spring 3, and the left end of movable contact spring 3 is provided with left movable contact 31, and the right-hand member of movable contact spring 3 is set
Have a right movable contact 32, the front side of left movable contact 31 and rear side are respectively equipped with a left magnet steel 41, the front side of right sound contact 32 and
Rear side is respectively equipped with a right magnet steel 42, and left magnet steel 41 and right magnet steel 42 are respectively positioned on the outside of insulating boot 1.Insulating boot 1 is by insulating boot
Top 11 and insulating boot bottom 12 are formed, and the peripheral outer wall indent of insulating boot top 11 is with formed with to left magnet steel 41 and right magnet steel 42
The magnet steel standing groove 111 of resigning, magnet steel standing groove 111 extend upward through insulating boot top 11, and left magnet steel 41 and right magnet steel pass through
The mode that dispensing is fixed is fixed in magnet steel standing groove 111, and the lateral cross section shape of the bottom of insulating boot 12 is cylindrical in shape and and yoke
The screw thread of disk 2 is mutually fixed, and yoke disk 2 includes pan portion 21, and the outer rim of pan portion 21 is upwardly extended formed with ring portion 22, outside insulating boot bottom 12
Helicitic texture of the ring portion inwall formed with mutual cooperation of wall and yoke disk.Wherein, left magnet steel 41 and right magnet steel 42 upper surface
More than the lower surface height and position of stationary contact 9, the height and position of left magnet steel 41 and right magnet steel 42 lower surface touches height and position dynamic
Below point upper surface height and position.
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.Left movable contact 31 is centrally located at where the center line of left magnet steel 41
In plane, right movable contact 32 is centrally located at the center line institute of right magnet steel 42 in the plane.The length of left magnet steel 41 is more than
The most left border of left movable contact 31 is more than the most left border of right movable contact 32 extremely between most right border apart from diameter, the length of right magnet steel 42
Distance between most right border.
Insulating boot top 11 includes stationary contact receiving portion 110, and the inside of stationary contact holding tank 110 has one and drawn for receiving
Go out the holding tank of end 8 and stationary contact 9, the front and rear sides of stationary contact receiving portion 110 are equipped with a location division 112, left magnet steel 41
In the left side of location division 112, right magnet steel 42 is located at the right side of location division 112, and the left outside of magnet steel 41 is provided with left magnetic conduction folder 51, right magnet steel 42
Outside is provided with right magnetic conduction folder 52, and left magnetic conduction folder 51 and right magnetic conduction folder 52 take the shape of the letter U, and left magnetic conduction folder 51 is centered around insulating boot top 11
Two left magnet steel 41 are simultaneously limited in the left inner side of magnetic conduction folder 51 by left side, and right magnetic conduction folder 52 is centered around the right side of insulating boot top 11 and will
Two right magnet steel 42 are limited in the right inner side of magnetic conduction folder 52.
The left outside of magnetic conduction folder 51 is provided with two left magnetic isolation plates 61, and the right outside of magnetic conduction folder 52 is provided with two right magnetic isolation plates 62, left
One end of magnetic conduction folder 51 is limited between a left magnet steel and a left magnetic isolation plate, and the other end of left magnetic conduction folder 51 is limited in
Between another left magnet steel and another left magnetic isolation plate, one end of right magnetic conduction folder 52 be limited in a right magnet steel and a right side every
Between magnetic sheet, the other end of right magnetic conduction folder 52 is limited between another right magnet steel and another right magnetic isolation plate, left magnetic conduction folder
51st, right magnetic conduction folder 52, left magnetic isolation plate 61 and right magnetic isolation plate 62 are made by magnetic conductive metal material.Insulating boot 1 is externally provided with shell 20,
Shell 20 is set in the outside of insulating boot 1, left magnetic conduction presss from both sides 51 outer wall shapes and right magnetic conduction press from both sides 52 outer wall shapes with the inwall of shell 20
Shape is adapted, and left magnetic conduction folder 51 and interior magnetic conduction press from both sides 52 outer walls and contacted with the inwall of shell 20, and left magnetic conduction presss from both sides 51 ends with determining
The left end face contact of position portion 112, right magnetic conduction press from both sides 52 ends and contacted with its right end face of location division 112.
Movable contact spring 3 is in cross, is all provided between the front end of movable contact spring 3 and yoke disk 2, between the rear end of movable contact spring 3 and yoke disk 2
Return power spring 7, the location division on insulating boot top 11 be internally formed downward through be used for movable contact spring front and back end is stepped down
Slot to make way.
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 disk, the insulating boot coordinates with yoke disk
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
State insulating boot to be made up of insulating boot top and insulating boot bottom, the insulating boot top peripheral outer wall indent is with formed with to described
The magnet steel standing groove that magnet steel is stepped down, the magnet steel are fixed in the magnet steel standing groove, the insulating boot lower, transverse section shape
Shape is cylindrical in shape, and the insulating boot bottom is mutually fixed with the yoke disk.
2. the relay of efficiently arc extinguishing according to claim 1, it is characterised in that the movable contact includes being located at movable contact spring
The left movable contact of left end, the right movable contact positioned at movable contact spring right-hand member, the front side of the left movable contact and rear side are respectively equipped with one
Left magnet steel, the front side of the right sound contact and rear side are respectively equipped with a right magnet steel.
3. the relay of efficiently arc extinguishing according to claim 2, it is characterised in that the center line of the left magnet steel is located at institute
State between the most left border of left movable contact and most right border, the center line of the right magnet steel is located at the most left border and most right border of right movable contact
Between.
4. the relay of efficiently arc extinguishing according to claim 3, it is characterised in that the left movable contact is centrally located at institute
State left magnet steel the center line institute in the plane, the right movable contact is centrally located at the center line institute of the right magnet steel
In the plane.
5. the relay of efficiently arc extinguishing according to claim 2, it is characterised in that the insulating boot top includes stationary contact
Receiving portion, the stationary contact holding tank have a holding tank for being used to accommodate exit and stationary contact, and the stationary contact accommodates
The front and rear sides in portion are equipped with a location division, and the left magnet steel is located on the left of the location division, and the right magnet steel is positioned at described fixed
On the right side of the portion of position, on the outside of the left magnet steel left magnetic conduction is provided with to press from both sides, being provided with right magnetic conduction on the outside of the right magnet steel presss from both sides, the left magnetic conduction folder and
Right magnetic conduction folder takes the shape of the letter U, and the left magnetic conduction folder is centered around the insulating boot upper left-hand and is limited in two left magnet steel described
Left magnetic conduction folder inner side, the right magnetic conduction folder, which is centered around the insulating boot upper right and two right magnet steel are limited in into the right side, leads
On the inside of magnetic clutch.
6. the relay of efficiently arc extinguishing according to claim 5, it is characterised in that the left magnetic conduction folder outside is provided with two
Left magnetic isolation plate, the right magnetic conduction folder outside are provided with two right magnetic isolation plates, and one end of the left magnetic conduction folder is limited in a left magnetic
Between steel and a left magnetic isolation plate, the other end of the left magnetic conduction folder is limited in another left magnet steel and another left magnetic isolation plate
Between, one end of the right magnetic conduction folder is limited between a right magnet steel and a right magnetic isolation plate, and the right magnetic conduction presss from both sides another
One end is limited between another right magnet steel and another right magnetic isolation plate, and the left magnetic isolation plate and right magnetic isolation plate are by metal material
Material is made.
7. the relay of efficiently arc extinguishing according to claim 5, it is characterised in that the movable contact spring is in cross, described dynamic
One is equipped between the front end of reed and yoke disk, between the rear end of movable contact spring and yoke disk and returns power spring, the insulating boot top
Location division be internally formed downward through be used for movable contact spring front and back end step down slot to make way.
8. the relay of efficiently arc extinguishing according to claim 5, it is characterised in that the insulating boot is externally provided with shell, described
Shell is set on the outside of the insulating boot, the left magnetic conduction folder outer wall shape and right magnetic conduction folder outer wall shape with the shell
Wall shape is adapted, and the left magnetic conduction folder and interior magnetic conduction folder outer wall contact with the outer casing inner wall, the left magnetic conduction folder end
Contacted with the location division left end face, the right magnetic conduction folder end contacts with the location division its right end face.
9. the relay of efficiently arc extinguishing according to claim 2, it is characterised in that the length of the left magnet steel is more than or waited
It is more than or equal to the right movable contact in most left border to the distance between most right border, the length of the right magnet steel of the left movable contact
Most left border to the distance between most right border.
10. the relay of efficiently arc extinguishing according to claim 1, it is characterised in that the magnet steel standing groove extends upward through institute
Insulating boot top is stated, the magnet steel is fixed in the magnet steel standing groove by glue；Or the insulating boot is externally provided with shell, institute
State shell to be set on the outside of the insulating boot, and upper lid is provided with the upside of shell, the upper cap-shaped is into there is the upper lid extended downwardly convex
Rise, the upper lid is fixed with shell so that upper cover raised offsets with the magnet steel upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740271.4A CN107507737A (en) | 2017-08-25 | 2017-08-25 | The relay of efficient arc extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740271.4A CN107507737A (en) | 2017-08-25 | 2017-08-25 | The relay of efficient arc extinguishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107507737A true CN107507737A (en) | 2017-12-22 |
Family
ID=60693457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740271.4A Pending CN107507737A (en) | 2017-08-25 | 2017-08-25 | The relay of efficient arc extinguishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107507737A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148224A (en) * | 2018-08-28 | 2019-01-04 | 浙江百事宝电器股份有限公司 | A kind of magnetic quenching relay |
| CN109300743A (en) * | 2018-08-28 | 2019-02-01 | 浙江百事宝电器股份有限公司 | A kind of D.C. contactor |
| CN109830405A (en) * | 2019-02-12 | 2019-05-31 | 厦门宏发电力电器有限公司 | A kind of arc extinguishing structure of high voltage direct current relay |
| CN109920700A (en) * | 2018-12-31 | 2019-06-21 | 浙江英洛华新能源科技有限公司 | High magnetic force relay |
| 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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| 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 |
| CN207134296U (en) * | 2017-08-25 | 2018-03-23 | 浙江英洛华新能源科技有限公司 | The relay of efficient arc extinguishing |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148224A (en) * | 2018-08-28 | 2019-01-04 | 浙江百事宝电器股份有限公司 | A kind of magnetic quenching relay |
| CN109300743A (en) * | 2018-08-28 | 2019-02-01 | 浙江百事宝电器股份有限公司 | A kind of D.C. contactor |
| CN109148224B (en) * | 2018-08-28 | 2024-02-13 | 浙江百事宝电器股份有限公司 | Magnetic blow-out arc-extinguishing relay |
| CN109300743B (en) * | 2018-08-28 | 2024-03-26 | 浙江百事宝电器股份有限公司 | DC contactor |
| CN109920700A (en) * | 2018-12-31 | 2019-06-21 | 浙江英洛华新能源科技有限公司 | High magnetic force relay |
| CN109830405A (en) * | 2019-02-12 | 2019-05-31 | 厦门宏发电力电器有限公司 | A kind of arc extinguishing structure of high voltage direct current relay |
| 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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Application publication date: 20171222 |