CN108962681A - A kind of high voltage direct current relay improving arc extinguishing ability by increasing creepage distance - Google Patents
A kind of high voltage direct current relay improving arc extinguishing ability by increasing creepage distance Download PDFInfo
- Publication number
- CN108962681A CN108962681A CN201710851990.3A CN201710851990A CN108962681A CN 108962681 A CN108962681 A CN 108962681A CN 201710851990 A CN201710851990 A CN 201710851990A CN 108962681 A CN108962681 A CN 108962681A
- Authority
- CN
- China
- Prior art keywords
- arc extinguishing
- creepage distance
- grill member
- insulating boot
- extinguishing ability
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000011810 insulating material Substances 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000000171 quenching effect Effects 0.000 claims abstract description 8
- 238000010791 quenching Methods 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims description 32
- 239000004033 plastic Substances 0.000 claims description 32
- 229920003023 plastic Polymers 0.000 claims description 32
- 238000009413 insulation Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H2050/028—Means to improve the overall withstanding voltage, e.g. creepage distances
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of high voltage direct current relay for improving arc extinguishing ability by increasing creepage distance, insulating boot, movable spring assembly and the magnet steel being made including exit, the first insulating materials；Two exits are separately fixed on insulating boot, and the stationary contact of two exits is in the seal chamber of insulating boot respectively and matches with the movable contact of movable spring assembly；At least one block of magnet steel is outer to realize to two groups of contact magnetic quenchings mounted in the cavity wall of insulating boot；It further include the grill member that two second of insulating materials are made, two grill members are separately fixed in the cavity wall in the magnetic blow-out direction corresponding to two groups of contacts of insulating boot, improve arc extinguishing ability to increase creepage distance using the concaveconvex structure of grid in grill member.The present invention is realized and improves arc extinguishing ability by way of increasing creepage distance in insulating boot, have structure simple by breaking the inertial thinking of people, low manufacture cost, the good feature of arc quenching effect.
Description
Technical field
The present invention relates to relay technical fields, improve arc extinguishing ability by increasing creepage distance more particularly to a kind of
High voltage direct current relay.
Background technique
Relay is a kind of electronic control device, it have control system (also known as input circuit) and by control system (again
Claim output loop), it is usually applied in automatic control circuit, it is actually to go the one of control larger current with lesser electric current
Kind " automatic switch ".Therefore the effects of playing automatic adjustment, safeguard protection, conversion circuit in circuit.
High voltage direct current relay is one of relay, and existing high voltage direct current relay generally includes exit, pottery
Porcelain cover (i.e. insulating boot) and movable spring assembly, exit sealing are fixed in ceramic shield, and the static contact of exit is located at ceramic shield
It is formed and is cooperated with movable spring assembly in seal chamber.High voltage direct current relay conventional at present, generally use Ceramic brazing sealing or
Epoxy sealing fills the structure type of mixed gas, by sealing the heavy load breaking capacity filled mixed gas and realize relay, and
Closed type high voltage direct current relay generallys use Ceramic brazing technology, makes full use of the air-tightness and high temperature resistant property of ceramics.But
It is this ceramic seal structure of the prior art, in electric life process, evapotranspire object of the contact in breaking course can be adhered to pottery
On porcelain wall, cause the insulation and pressure resistance of relay after the service life bad.The insulation voltage endurance capability of relay how is improved, guarantees relay
Device in the process of running safe and reliable, it is imperative.Arc extinguishing ability is improved by way of increasing creepage distance, this
It is the conventional techniques of this field, for example production concaveconvex structure can increase increase creepage distance, still, due to high voltage direct current
The ceramic shield of relay is made using moulding process, it is difficult to concaveconvex structure is molded in ceramic inner cavity, and yield rate is low,
It is at high cost, therefore unmanned at present use molds concaveconvex structure in ceramic inner cavity come by increasing creepage distance to improve arc extinguishing
Ability, currently, those skilled in the art are usually to improve arc extinguishing ability by way of increasing contactor gap, this mode,
So that the volume of product increases, increased costs affect the competitiveness of product.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of by increasing creepage distance raising arc extinguishing energy
The high voltage direct current relay of power is realized in insulating boot by breaking the inertial thinking of people by increasing creepage distance
Mode improves arc extinguishing ability, has structure simple, low manufacture cost, arc quenching effect good feature.
The technical solution adopted by the present invention to solve the technical problems is: one kind improving arc extinguishing energy by increasing creepage distance
The high voltage direct current relay of power, insulating boot, movable spring assembly and the magnet steel being made including exit, the first insulating materials；
Two exits are separately fixed on insulating boot, the stationary contact of two exits be in the seal chamber of insulating boot respectively and with it is dynamic
The movable contact of spring component matches；At least one block of magnet steel is outer to realize to two groups of contact magnetic quenchings mounted in the cavity wall of insulating boot；
It further include the grill member that two second of insulating materials are made, two grill members are separately fixed at the correspondence of insulating boot
In in the cavity wall in the magnetic blow-out direction of two groups of contacts, gone out with increasing creepage distance raising using the concaveconvex structure of grid in grill member
Arc ability.
Each grid in the grill member is in parallelly distribute on.
The grill member is substantially in linear type shape or L-shape or U along the section in the direction of grid parallelly distribute on
Shape shape, and correspond to and match the side at place in sound contact.
The grill member is fixed in the cavity wall corresponding to magnetic blow-out direction of insulating boot by the back side of grid.
One end of the grill member is equipped with baffle, is equipped in baffle and is used to carry out exit in intracavitary part
The notch of resigning.
The inner surface of the cavity wall of the insulating boot is additionally provided with the block reinforcement for limiting grill member.
The insulating boot that the first described insulating materials is made be ceramic material made of insulating boot, described second
The grill member that kind insulating materials is made is the grill member that plastic material is made.
The plastic lattices component is individual part, and plastic lattices component is fixed on ceramics by stickup or snap
In the cavity wall of insulating boot.
The plastic lattices component is individual part, and plastic lattices component is integrated in pottery when forming by ceramic insulation cover
In the cavity wall of porcelain insulating cover.
The insulating boot that the insulating boot that the first described insulating materials is made is made for plastic material, described second
The grill member that kind insulating materials is made is grill member made of ceramic material.
The ceramics grill member is individual part, and ceramic grill member is fixed on plastics by stickup or snap
In the cavity wall of insulating boot.
The ceramics grill member is individual part, and ceramic grill member is integrated in modeling when forming by plastic insulation cover
In the cavity wall for expecting insulating boot.
The exit is fixed on plastic insulation cover by plastic shaping mode.
A kind of high voltage direct current relay improving arc extinguishing ability by increasing creepage distance of the invention, when contact circuit is logical
When disconnected, electric arc can be generated, under magnetic blow-out effect, electric arc can be moved to insulating boot direction, when electric arc reaches made of insulating materials
When arc-chute, electric arc can be elongated, to increase arc extinguishing creepage distance.The magnet steel of the present patent application is distributed, and can be pole
Property magnetic field arrangement, be also possible to nonpolarity magnetic field arrangement.
Compared with prior art, the beneficial effects of the present invention are:
The present invention makes insulating boot due to using the first insulating materials, and second of insulating materials makes grid portion
Part makes grill member become independent part, can be convenient to the production of grill member, and easily fix grill member
In the cavity wall of insulating boot, and corresponding at the position in the magnetic blow-out direction of contact, increased with the concaveconvex structure using grill member
Add creepage distance and then improves arc extinguishing ability.The present invention realizes and passes through in insulating boot by breaking the inertial thinking of people
Increase the mode of creepage distance to improve arc extinguishing ability, has structure simple, low manufacture cost, the good feature of arc quenching effect.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But one kind of the invention is climbed by increasing
The high voltage direct current relay that electrical distance improves arc extinguishing ability is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is embodiment structural schematic diagram of the invention；
Fig. 2 is embodiment bottom view of the invention；
Fig. 3 is the organigram of embodiment grill member of the invention；
Fig. 4 is the organigram of embodiment grill member of the invention (one angle of rotation)；
Fig. 5 is the schematic diagram of embodiment external magnet steel distribution situation one of the invention；
Fig. 6 is the schematic diagram of embodiment external magnet steel distribution situation two of the invention；
Fig. 7 is the schematic diagram of embodiment external magnet steel distribution situation three of the invention；
Fig. 8 is the schematic diagram of embodiment external magnet steel distribution situation four of the invention.
Specific embodiment
Embodiment
Referring to shown in Fig. 1 to Fig. 8, it is of the invention it is a kind of by increase creepage distance improve the high voltage direct current of arc extinguishing ability after
Electric appliance, the insulating boot 2 being made including exit 1, the first insulating materials, movable spring assembly (not shown) and magnet steel
(not shown)；Movable spring assembly uses bridging contact, that is, includes a straight plate shape movable contact spring and two movable contacts, two movable contacts
The both ends of movable contact spring are fixed on, it is of course also possible to which two movable contacts to be directly produced on to the both ends of movable contact spring；Two exits 1
It is separately fixed on insulating boot 2, the stationary contact of two exits 1 is in the seal chamber 21 of insulating boot 2 respectively and and movable spring group
The movable contact of part matches, and one end 11 of exit 1 is the outside for being in the seal chamber 21 of insulating boot 2, the other end of exit 1
12 be in insulating boot 2 seal chamber 21 it is intracavitary, stationary contact can be individual part be fixed on exit 1 in sealing
The end of the other end 12 in chamber 21, stationary contact are also possible to directly be produced on the another in seal chamber 21 of exit 1
The end at end 12；Magnet steel is at least one piece, and magnet steel is installed in outside the cavity wall 22 of insulating boot 2, can be mounted in two stationary contact lines
Extended line at, can also be mounted in two stationary contact lines two sides, as long as can be realized to contact magnetic quenching, Fig. 5
It is set forth the different installation sites (i.e. different distributions situation) of several magnet steel to Fig. 8, in Fig. 5, the high voltage direct current relay
Four magnet steel are configured with, two of them magnet steel 41 is respectively provided at the extended line of two stationary contact lines, and in biasing setting, i.e.,
Not on the same line, other two magnet steel 42 is respectively provided at two to the midpoint line and two stationary contact lines of two magnet steel 41
The two sides of stationary contact line, each magnet steel 42 respectively correspond a pair of contact, and magnet steel 41 and magnet steel 42 are also connected with magnetizer 43；Figure
In 6, two magnet steel 51 of the high voltage direct current relay configuration, two magnet steel 51 long positions for being covered each by two pairs of contacts,
Each magnet steel 51 is separately connected the magnetizer 52 of a U-shaped；In Fig. 7, two magnet steel 61 of the high voltage direct current relay configuration, two
Magnet steel 61 is respectively provided at the extended line of two stationary contact lines, and a magnetizer 62 connects two magnet steel 61；In Fig. 8, the high pressure
DC relay is configured with four magnet steel 71, and four magnet steel 71 are respectively provided at the two sides of two stationary contact lines, every a pair of contact
Two magnet steel 71 are respectively corresponded, two magnet steel 71 with a pair of contact are also connected with a magnetizer；High voltage direct current relay of the invention
Device, further includes the grill member 3 that two second of insulating materials are made, and two grill members 3 are separately fixed at insulating boot
The magnetic blow-out direction corresponding to two groups of contacts cavity wall 22 in (be in seal chamber 21), to utilize grid in grill member 3
31 concaveconvex structure (i.e. lattice structure) increases creepage distance and improves arc extinguishing ability.
In the present embodiment, each grid 31 in grill member 3 is in parallelly distribute on, is equivalent to big with the line of two stationary contacts
It causes parallel.
In the present embodiment, grill member 3 along the direction of grid parallelly distribute on the substantially u-shaped shape in section, and from three
Bread is wound on the periphery that corresponding sound contact matches place.As needed, the grill member of linear type shape can also be used
Or the grill member of L-shape, as long as there is grill member gear in magnetic blow-out direction.
Grill member 3 is fixed in the cavity wall corresponding to magnetic blow-out direction of insulating boot 2 by the back side of grid.
In the present embodiment, one end of grill member 3 is equipped with baffle 33, is equipped in baffle 33 and is used to be in chamber to exit
The notch 34 that interior part is stepped down.
In the present embodiment, the inner surface of the cavity wall 22 of insulating boot 2 is additionally provided with the block reinforcement 23 for limiting grill member.
Insulating boot and grill member can be combined using different materials.
For example, the insulating boot that the first insulating materials is made can be insulating boot made of ceramic material, the
The grill member that two kinds of insulating materials are made can be the grill member that plastic material is made.
Plastic lattices component is individual part, and plastic lattices component can be with the fixed form of ceramic insulation cover
Plastic lattices component is fixed in the cavity wall of ceramic insulation cover by stickup or snap；It is also possible to plastic lattices portion
Part is integrated in the cavity wall of ceramic insulation cover when being formed by ceramic insulation cover.
The insulating boot that the first insulating materials is made may be the insulating boot that glass material is made, by glass
Insulating boot cooperates with plastic lattices component.
For another example, the insulating boot that the first insulating materials is made may be the insulation that plastic material is made
Cover, the grill member that second of insulating materials is made may be grill member made of ceramic material.
The ceramics grill member is individual part, can in the fixed form of ceramic grill member and plastic insulation cover
To be to be fixed on ceramic grill member in the cavity wall of plastic insulation cover by stickup or snap, it is also possible to ceramic grid
Lattice component is integrated in the cavity wall of plastic insulation cover when being formed by plastic insulation cover.
Using the combination of plastic insulation cover and ceramic grill member, it is close Ceramic brazing used by the prior art can be cancelled
Envelope mode, exit and ambroin can be carried out integral molded plastic formation dielectric chamber by the present invention, and (insulating materials has height
The electrical properties such as CTI, HAI), may further ensure that and provide the electric life ability of relay, improve product reliability and
Cost performance.
A kind of high voltage direct current relay improving arc extinguishing ability by increasing creepage distance of the invention, when contact circuit is logical
When disconnected, electric arc can be generated, under magnetic blow-out effect, electric arc can be moved to insulating boot direction, when electric arc reaches made of insulating materials
When arc-chute, electric arc can be elongated, to increase arc extinguishing creepage distance.The magnet steel of the present patent application is distributed, and can be pole
Property magnetic field arrangement, be also possible to nonpolarity magnetic field arrangement.
A kind of high voltage direct current relay improving arc extinguishing ability by increasing creepage distance of the invention, is to use first
Kind of insulating materials makes insulating boot, and second of insulating materials makes grill member, and grill member is made to become independent part,
It can be convenient to the production of grill member, and easily grill member is fixed in the cavity wall of insulating boot, and correspondence is being touched
At the position in the magnetic blow-out direction of point, arc extinguishing ability to increase creepage distance and then is improved with the concaveconvex structure using grill member.
The present invention realizes by breaking the inertial thinking of people and improves arc extinguishing by way of increasing creepage distance in insulating boot
Ability has structure simple, low manufacture cost, the good feature of arc quenching effect.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (13)
1. a kind of high voltage direct current relay for improving arc extinguishing ability by increasing creepage distance, including exit, the first insulation
Insulating boot, movable spring assembly and the magnet steel that material is made；Two exits are separately fixed on insulating boot, two exits
Stationary contact is in the seal chamber of insulating boot respectively and matches with the movable contact of movable spring assembly；At least one block of magnet steel is mounted in insulation
The cavity wall of cover is outer to realize to two groups of contact magnetic quenchings；It is characterized by also including two second of insulating materials production
At grill member, two grill members are separately fixed in the cavity wall in the magnetic blow-out direction corresponding to two groups of contacts of insulating boot,
Arc extinguishing ability is improved to increase creepage distance using the concaveconvex structure of grid in grill member.
2. the high voltage direct current relay according to claim 1 for improving arc extinguishing ability by increasing creepage distance, feature
Be: each grid in the grill member is in parallelly distribute on.
3. the high voltage direct current relay according to claim 2 for improving arc extinguishing ability by increasing creepage distance, feature
Be: the grill member is substantially in linear type shape or L-shape or U-shaped shape along the section in the direction of grid parallelly distribute on
Shape, and correspond to and match the side at place in sound contact.
4. the high voltage direct current relay according to claim 3 for improving arc extinguishing ability by increasing creepage distance, feature
Be: the grill member is fixed in the cavity wall corresponding to magnetic blow-out direction of insulating boot by the back side of grid.
5. the high voltage direct current relay according to claim 1 for improving arc extinguishing ability by increasing creepage distance, feature
Be: one end of the grill member is equipped with baffle, is equipped in baffle and is used to allowing in intracavitary part to exit
The notch of position.
6. the high voltage direct current relay according to claim 1 for improving arc extinguishing ability by increasing creepage distance, feature
Be: the inner surface of the cavity wall of the insulating boot is additionally provided with the block reinforcement for limiting grill member.
7. according to claim 1 to the high pressure for improving arc extinguishing ability described in any claim in 6 by increasing creepage distance
DC relay, it is characterised in that: the insulating boot that the first described insulating materials is made is made of ceramic material
Insulating boot, the grill member that second of insulating materials is made are the grill member that plastic material is made.
8. the high voltage direct current relay according to claim 7 for improving arc extinguishing ability by increasing creepage distance, feature
Be: the plastic lattices component is individual part, and plastic lattices component is fixed on ceramic exhausted by stickup or snap
In the cavity wall of edge cover.
9. the high voltage direct current relay according to claim 7 for improving arc extinguishing ability by increasing creepage distance, feature
Be: the plastic lattices component is individual part, and plastic lattices component is integrated in ceramics when forming by ceramic insulation cover
In the cavity wall of insulating boot.
10. according to claim 1 to the high pressure for improving arc extinguishing ability described in any claim in 6 by increasing creepage distance
DC relay, it is characterised in that: the insulating boot that the first described insulating materials is made is what plastic material was made
Insulating boot, the grill member that second of insulating materials is made are grill member made of ceramic material.
11. the high voltage direct current relay according to claim 10 for improving arc extinguishing ability by increasing creepage distance, special
Sign is: the ceramics grill member is individual part, and ceramic grill member is fixed on plastics by stickup or snap
In the cavity wall of insulating boot.
12. the high voltage direct current relay according to claim 10 for improving arc extinguishing ability by increasing creepage distance, special
Sign is: the ceramics grill member is individual part, and ceramic grill member is integrated in modeling when forming by plastic insulation cover
In the cavity wall for expecting insulating boot.
13. the high voltage direct current relay according to claim 10 for improving arc extinguishing ability by increasing creepage distance, special
Sign is: the exit is fixed on plastic insulation cover by plastic shaping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851990.3A CN108962681B (en) | 2017-09-19 | 2017-09-19 | High-voltage direct-current relay with ceramic sealing insulating cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851990.3A CN108962681B (en) | 2017-09-19 | 2017-09-19 | High-voltage direct-current relay with ceramic sealing insulating cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108962681A true CN108962681A (en) | 2018-12-07 |
| CN108962681B CN108962681B (en) | 2024-08-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710851990.3A Active CN108962681B (en) | 2017-09-19 | 2017-09-19 | High-voltage direct-current relay with ceramic sealing insulating cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108962681B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841458A (en) * | 2019-02-12 | 2019-06-04 | 厦门宏发电力电器有限公司 | A kind of full seal type high voltage direct current relay |
| CN110473744A (en) * | 2019-08-09 | 2019-11-19 | 厦门宏发电力电器有限公司 | A kind of DC relay carrying out arc extinguishing based on magnet steel |
| EP4312241A1 (en) * | 2022-07-25 | 2024-01-31 | Tyco Electronics Componentes Electromecânicos Lda | High-voltage arc quenching systems and electrical switching devices comprising the same |
| CN118629824A (en) * | 2024-08-13 | 2024-09-10 | 索恩格汽车电动系统有限公司 | High-voltage direct-current relay |
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| CN207217414U (en) * | 2017-09-19 | 2018-04-10 | 厦门宏发电力电器有限公司 | The HVDC relay of arc extinguishing ability is improved by increasing creep age distance |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841458A (en) * | 2019-02-12 | 2019-06-04 | 厦门宏发电力电器有限公司 | A kind of full seal type high voltage direct current relay |
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| EP4312241A1 (en) * | 2022-07-25 | 2024-01-31 | Tyco Electronics Componentes Electromecânicos Lda | High-voltage arc quenching systems and electrical switching devices comprising the same |
| CN118629824A (en) * | 2024-08-13 | 2024-09-10 | 索恩格汽车电动系统有限公司 | High-voltage direct-current relay |
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| CN108962681B (en) | 2024-08-23 |
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