CN109727821A - A kind of spring return type electromagnetic relay - Google Patents
A kind of spring return type electromagnetic relay Download PDFInfo
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- CN109727821A CN109727821A CN201910069191.XA CN201910069191A CN109727821A CN 109727821 A CN109727821 A CN 109727821A CN 201910069191 A CN201910069191 A CN 201910069191A CN 109727821 A CN109727821 A CN 109727821A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 140
- 229910052742 iron Inorganic materials 0.000 claims abstract description 61
- 230000003068 static effect Effects 0.000 claims abstract description 56
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 230000008094 contradictory effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The present invention relates to relay technical fields, in particular disclose a kind of spring return type electromagnetic relay, including insulating body, electromagnet, dynamic point block and two static terminals, electromagnet, two static terminals are all set in insulating body;It further include reset spring and armature, electromagnet has yoke, yoke includes the first iron plate and the second iron plate from the bending of the first iron plate, one end of armature is rotatably dispose in the one end of the second iron plate far from the first iron plate, the both ends of reset spring are separately connected one end of the first iron plate and armature, and dynamic point block is connected to the other end of armature;In the use process of relay, electromagnet attracts related dynamic block contact two static terminals of conducting of armature, after electromagnet power loss, reset spring drives armature to rotate reset relative to yoke, it realizes the separation of dynamic point block and static terminal and disconnects the conducting between two static terminals, contact adhesion caused by avoiding because of armature reset drives power deficiency, promotes the service performance of relay.
Description
Technical field
The present invention relates to relay technical fields, in particular disclose a kind of spring return type electromagnetic relay.
Background technique
Relay is various control circuits commonly one of basic accessory, relay it is many kinds of, electromagnetic relay is
For a kind of common relay, the power mechanism of electromagnetic relay mainly includes electromagnet, fixing terminal and flexible terminal, after
In the use process of electric appliance, electromagnet obtains electric generation magnetic attraction, and magnetic attraction attracts flexible terminal that flexible terminal is connected
Fixing terminal.After electromagnet power loss, resetted using the flexible drive flexible terminal of flexible terminal itself;But due to elasticity
The elastic force of terminal itself is limited, and after electromagnet power loss, flexible terminal tends not to normal reset and causes flexible terminal
Contact adhesion occurs between fixing terminal, relay is caused to be unable to normal use.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of spring return types
Electromagnetic relay, in the use process of relay, electromagnet attracts related dynamic block contact two static terminals of conducting of armature, electricity
After magnet power loss, reset spring drives armature to rotate reset relative to yoke, realizes the separation of dynamic point block and static terminal and disconnects two
Conducting between a static terminal, the contact adhesion caused by avoiding because of armature reset drives power deficiency, promotes the use of relay
Performance.
To achieve the above object, a kind of spring return type electromagnetic relay of the invention, including insulating body, electromagnet,
Dynamic point block and two static terminals, electromagnet, two static terminals are all set in insulating body, and electromagnet is for driving dynamic point block to move
Dynamic, dynamic mobile block is connected two static terminals or separates the conducting disconnected between two static terminals with static terminal;Further include
Reset spring and armature, electromagnet have yoke, and yoke includes the first iron plate and the second iron plate from the bending of the first iron plate, armature
One end be rotatably dispose in the one end of the second iron plate far from the first iron plate, the both ends of reset spring are separately connected the first iron plate and rank
One end of iron, dynamic point block are connected to the other end of armature, and electromagnet is used to attract the other end of armature, and reset spring is for driving
Armature resets.
Preferably, the insulating body is equipped with stop catch plate, two static terminals are located at the same side of stop catch plate, and dynamic point block is located at
Between stop catch plate and static terminal, stop catch plate supports front contact block for block.
Preferably, the spring return type electromagnetic relay further includes elastic piece, one end of elastic piece is connected to armature, bullet
Property piece the other end be connected to the middle part of dynamic point block, the both ends of dynamic point block are respectively used to contact two static terminals of conducting.
Preferably, the two sides of the free end of second iron plate are respectively equipped with axis piece, the two sides of armature one end are respectively set
Jagged slot, the axis piece of the second iron plate two sides rotates respectively to be located in the gap slot of armature two sides, and one end of armature is located at the
Between the axis piece of two iron plate two sides, the two sides of axis piece away from each other are the resigning inclined-plane for cooperating armature to rotate.
Preferably, first iron plate is respectively equipped with fixinig plate far from the two sides of second iron plate one end, fixinig plate is via spiral shell
Nail is fixedly mounted on insulating body, and the first iron plate or the second plate body are equipped with the first hanging strip, and one end of armature is equipped with the second hanging strip,
First hanging strip, the second hanging strip are respectively positioned between the fixinig plate of the first iron plate two sides, and the both ends of reset spring are respectively connected to first
Hanging strip and the second hanging strip.
Preferably, first hanging strip, the second hanging strip are equipped with limit french drain, limit french drain is hung from the first hanging strip, second
The two sides of item away from each other are recessed to be formed, and the both ends of reset spring are located in respectively in the limit french drain of the first hanging strip and second hangs
In the limit french drain of item.
Preferably, the electromagnet further includes skeleton, coil and iron core, skeleton is between yoke and insulating body, iron
Core is located in skeleton, and coil is set to skeleton and is arranged around iron core, and one end of iron core is connected to the first iron plate, iron core it is another
One end is used to attract the other end of armature.
Preferably, first iron plate is equipped with shrinkage pool and protrudes into multiple ribs in shrinkage pool, the center of rib and shrinkage pool
Axis is arranged in parallel, and multiple ribs are arranged around the central axis of shrinkage pool, and one end of iron core is equipped with riveter portion, and riveter portion is riveted to
In the shrinkage pool of first iron plate, rib is used to contradict the outer surface in riveter portion.
Preferably, the static terminal includes holding parts and from junction made of holding parts bending, holding parts are set to absolutely
Edge ontology, holding parts are fixed on insulating body via screw, and the free end of holding parts is equipped with the static contact for moved end to be connected,
Junction is equipped with the hollow cylinder protruded into insulating body, and extraneous conductor is for being located in hollow cylinder.
Preferably, the spring return type electromagnetic relay further includes plastic casing, plastic casing is sheathed on the outer of insulating body
Side, plastic casing are equipped with the blind chamber of accommodating for being installed with electromagnet, dynamic point block and static terminal;Plastic casing is removably set there are two forever
Magnet, two permanent magnets are located at the outside of plastic casing, the polarity of two permanent magnets side close to each other on the contrary, moved end with it is quiet
It is located between two permanent magnets at the contact conducting of terminal.
Beneficial effects of the present invention: in the use process of relay, electromagnet attracts the related dynamic block contact of armature to lead
Lead to two static terminals, after electromagnet power loss, reset spring drives armature to reset with respect to yoke rotation, realizes block and static terminal at dynamic
Separation and disconnect the conducting between two static terminals, avoid because armature reset drives power it is insufficient caused by contact adhesion, mention
Rise the service performance of relay.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention;
Fig. 2 is decomposition texture schematic diagram of the invention;
Fig. 3 is the decomposition texture schematic diagram at another visual angle of the present invention;
Fig. 4 is the structural schematic diagram of yoke of the invention.
Appended drawing reference includes:
1-3-the static terminal of block of insulating body 1 2-dynamic
4-reset spring 5-armature, 6-yokes
7-the first iron plate 9-stop catch plate of the 8-the second iron plate
11-elastic piece 12-axis, 13-gap slots of piece
14-fixinig plate the 16-the second hanging strips of the 15-the first hanging strip
17-limit 18-skeleton of french drain, 19-coils
21-iron core 22-shrinkage pool, 23-ribs
24-riveter portion 25-holding parts, 26-junctions
27-static contact 28-hollow cylinder, 29-plastic casings
Blind 32-permanent magnet of chamber, the 33-accommodating blind hole of 31-accommodatings
34-snap-ons.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to examples and drawings
Bright, the content that embodiment refers to not is limitation of the invention.
Shown in please referring to Fig.1 to Fig.4, a kind of spring return type electromagnetic relay of the invention, including insulating body 1, electricity
Magnet, dynamic point block 2 and two static terminals 3, electromagnet, two static terminals 3 are arranged on insulating body 1, and electromagnet is for driving
Dynamic dynamic point block 2 is mobile, dynamic mobile block 2 two static terminals 3 are connected or separated with static terminal 3 two static terminals 3 of disconnection it
Between conducting;It further include reset spring 4 and armature 5, electromagnet has yoke 6, and yoke 6 is substantially L-shaped, and yoke 6 includes first
Iron plate 7 and the second iron plate 8 bent from the first iron plate 7, the first iron plate 7 are vertically arranged with the second iron plate 8, and one end of armature 5 turns
Dynamic to be arranged on the one end of the second iron plate 8 far from the first iron plate 7, the both ends of reset spring 4 are separately connected the first iron plate 7 and armature
5 one end, dynamic point block 2 are connected on the other end of armature 5, and electromagnet is used to attract the other end of armature 5, and reset spring 4 is used
It is resetted in driving armature 5.
In the use process of relay, electromagnet attracts related dynamic block 2 contact two static terminals 3 of conducting of armature 5, electricity
After magnet power loss, reset spring 4 drives armature 5 to rotate reset relative to yoke 6, realizes the separation of dynamic point block 2 and static terminal 3 and breaks
The conducting between two static terminals 3 is opened, the contact adhesion caused by avoiding because of driving force deficiency when armature 5 resets promotes relay
The service performance of device.
Stop catch plate 9 is provided on the insulating body 1, two static terminals 3 are located at the same side of stop catch plate 9, move point block 2
Between stop catch plate 9 and static terminal 3, stop catch plate 9 supports front contact block 2 for block.After electromagnet power loss, reset spring 4 is driven
Dynamic homing stops dynamic point block 2 using stop catch plate 9, avoids the related dynamic point of armature 5 until dynamic point block 2 is contradicted in stop catch plate 9
Block 2 excessively reset and can not normal use.
The spring return type electromagnetic relay further includes elastic piece 11, the substantially rectangular thin slice of elastic piece 11, elastic piece
11 one end is connected to armature 5, and the other end of elastic piece 11 is connected on the middle part of dynamic point block 2, and the both ends of dynamic point block 2 are used respectively
Two static terminals 3 are connected in contact.Electromagnet obtain it is electric after, electromagnet attract armature 5 make armature 5 with respect to yoke 6 rotate, rotate
Armature 5 via related dynamic block 2 contact two static terminals 3 of conducting of elastic piece 11, when dynamic point block 2 contact two static terminals of conducting
When 3, flexible deformation occurs for elastic piece 11, makes dynamic point 2 firm contact of block conducting static terminal 3 using the elastic force of elastic piece 11,
It avoids relay from being shaken or unexpectedly touch and leads point block 2 and separated with 3 intermittence of static terminal.
The two sides of the free end of second iron plate 8 are respectively equipped with axis piece 12, and the two sides of 5 one end of armature are respectively arranged with scarce
Mouth slot 13, the axis piece 12 of 8 two sides of the second iron plate rotate be installed in the gap slot 13 of 5 two sides of armature respectively, one end position of armature 5
Between the axis piece 12 of 8 two sides of the second iron plate, accurate limit is carried out to armature 5 using the cooperation of axis piece 12 and gap slot 13, really
Protecting relay can with normal table use, and the two sides of axis piece 12 away from each other are the resigning inclined-plane for cooperating armature 5 to rotate,
During armature 5 is rotated relative to yoke 6, the outer surface of axis piece 12 is avoided to contradict the cell wall of gap slot 13 and lead to armature 5
It can not normal rotation.
First iron plate 7 is respectively equipped with fixinig plate 14 far from the two sides of 8 one end of the second iron plate, and fixinig plate 14 is via screw
It is fixedly mounted on insulating body 1, in actual use, since reset spring 4 drives the reversion of armature 5 to reset, therefore the reset of armature 5
Power is very big, is tightly secured on insulating body 1 using screw through yoke 6, yoke 6 is avoided to fall off from insulating body 1;First iron
Plate 7 or the second plate body are equipped with the first hanging strip 15, and one end of armature 5 is equipped with the second hanging strip 16, and the first hanging strip 15, the second hanging strip 16 are
Between the fixinig plate 14 of 7 two sides of the first iron plate, the both ends of reset spring 4 are respectively connected to the first hanging strip 15 and the second hanging strip
16;In the present embodiment, the quantity of reset spring 4 is two, and two reset springs 4 are spaced each other and are arranged in parallel.
First hanging strip 15, the second hanging strip 16 are equipped with limit french drain 17, limit french drain 17 from the first hanging strip 15, second
The two sides of hanging strip 16 away from each other are recessed to be formed, and the both ends of reset spring 4 are installed with the limit french drain 17 in the first hanging strip 15 respectively
In interior and the second hanging strip 16 limit french drain 17, the furrow bank using limit french drain 17 stops reset spring 4, prevents reset spring 4
It falls off from hanging strip.
The electromagnet further includes skeleton 18, coil 19 and iron core 21, skeleton 18 between yoke 6 and insulating body 1,
Iron core 21 is installed in skeleton 18, and the setting of coil 19 is arranged in 18 outside of skeleton and around iron core 21, one end connection of iron core 21
To the first iron plate 7, the other end of iron core 21 is used to attract the other end of armature 5.
First iron plate 7 is equipped with shrinkage pool 22 and protrudes into multiple ribs 23 in shrinkage pool 22, rib 23 and shrinkage pool 22
Centerline axis parallel setting, multiple ribs 23 are arranged around the central axis of shrinkage pool 22, and one end of iron core 21 is equipped with riveter portion 24,
Riveter portion 24 is riveted in the shrinkage pool 22 of the first iron plate 7, and rib 23 is used to contradict the outer surface in riveter portion 24.Riveter portion 24 with
During first iron plate 7 rivets, riveter portion 24 squeezes rib 23 and rib 23 is deformed, and substantially increases rib 23 and riveting
Frictional force between head 24, it is ensured that riveter portion 24 is firm to be riveted in the shrinkage pool 22 of the first iron plate 7, and riveter portion 24 and the are prevented
One iron plate 7 is disconnected from each other.
Including holding parts 25 and from junction 26 made of the bending of holding parts 25, the setting of holding parts 25 exists the static terminal 3
On insulating body 1, holding parts 25 are fixed on insulating body 1 via screw, prevent static terminal 3 from falling off from insulating body 1, Gu
The free end in portion 25 is held equipped with the static contact 27 for moved end to be connected, junction 26 is equipped with the sky protruded into insulating body 1
Heart cylinder 28, extraneous conductor is for being installed in hollow cylinder 28.Hollow cylinder 28 is limited using insulating body 1, avoids sky
It is relatively moved between heart cylinder 28 and insulating body 1.
The spring return type electromagnetic relay further includes plastic casing 29, and plastic casing 29 is set in the outside of insulating body 1,
Plastic casing 29 is equipped with the blind chamber 31 of accommodating for being installed with electromagnet, dynamic point block 2 and static terminal 3;Plastic casing 29 is removably equipped with
Two permanent magnets 32, two permanent magnets 32 are located at the outside of plastic casing 29, the polarity of two permanent magnets 32 side close to each other
On the contrary, moved end is located between two permanent magnets 32 at the contact conducting of static terminal 3, two permanent magnets 32 are for elongating dynamic point
Generated electric arc avoids electric arc from causing to damage to relay so that electric arc quickly extinguishes between block 2 and static terminal 3.This implementation
In example, the outside of plastic casing 29 is equipped with accommodating blind hole 33 and protrudes into the snap-on 34 in accommodating blind hole 33, and permanent magnet 32 is installed with
Accommodate blind hole 33 in, snap-on 34 clasp permanent magnet 32 by permanent magnet 32 limit accommodating blind hole 33 in, prevent accommodating blind hole 33 from
It falls off on plastic casing 29.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (10)
1. a kind of spring return type electromagnetic relay, including insulating body, electromagnet, dynamic point block and two static terminals, electromagnet,
Two static terminals are all set in insulating body, and electromagnet is mobile for driving dynamic point block, and two static sides are connected in dynamic mobile block
Son separates the conducting disconnected between two static terminals with static terminal;It is characterized by also including reset spring and armature, electricity
Magnet has yoke, and yoke includes the first iron plate and the second iron plate from the bending of the first iron plate, and one end of armature is rotatably dispose in
The one end of second iron plate far from the first iron plate, the both ends of reset spring are separately connected one end of the first iron plate and armature, move point block
It is connected to the other end of armature, electromagnet is used to attract the other end of armature, and reset spring is for driving armature to reset.
2. spring return type electromagnetic relay according to claim 1, it is characterised in that: the insulating body is equipped with block
Plate, two static terminals are located at the same side of stop catch plate, move point block between stop catch plate and static terminal, stop catch plate is supported for block
Front contact block.
3. spring return type electromagnetic relay according to claim 1, it is characterised in that: the spring return type electromagnetism after
Electric appliance further includes elastic piece, and one end of elastic piece is connected to armature, and the other end of elastic piece is connected to the middle part of dynamic point block, moves point
The both ends of block are respectively used to contact two static terminals of conducting.
4. spring return type electromagnetic relay according to claim 1, it is characterised in that: the free end of second iron plate
Two sides be respectively equipped with axis piece, the two sides of armature one end are respectively arranged with gap slot, and the axis piece of the second iron plate two sides rotates respectively
It is located in the gap slot of armature two sides, one end of armature is located between the axis piece of the second iron plate two sides, and axis piece is away from each other
Two sides are the resigning inclined-plane for cooperating armature to rotate.
5. spring return type electromagnetic relay according to claim 1, it is characterised in that: first iron plate is far from second
The two sides of iron plate one end are respectively equipped with fixinig plate, and fixinig plate is fixedly mounted on insulating body via screw, the first iron plate or
Two plate bodys are equipped with the first hanging strip, and one end of armature is equipped with the second hanging strip, and the first hanging strip, the second hanging strip are respectively positioned on the first iron plate two sides
Fixinig plate between, the both ends of reset spring are respectively connected to the first hanging strip and the second hanging strip.
6. spring return type electromagnetic relay according to claim 5, it is characterised in that: first hanging strip, second are hung
Item is equipped with limit french drain, limit french drain from the first hanging strip, the two sides of the second hanging strip away from each other are recessed forms, reset spring
Both ends are located in respectively in the limit french drain of the first hanging strip and in the limit french drain of the second hanging strip.
7. spring return type electromagnetic relay according to claim 1, it is characterised in that: the electromagnet further includes bone
Frame, coil and iron core, between yoke and insulating body, iron core is located in skeleton skeleton, and coil is set to skeleton and encloses
It is arranged around iron core, one end of iron core is connected to the first iron plate, and the other end of iron core is used to attract the other end of armature.
8. spring return type electromagnetic relay according to claim 7, it is characterised in that: first iron plate is equipped with shrinkage pool
And multiple ribs in shrinkage pool are protruded into, the centerline axis parallel of rib and shrinkage pool is arranged, and multiple ribs surround the center of shrinkage pool
One end of axis setting, iron core is equipped with riveter portion, and riveter portion is riveted in the shrinkage pool of the first iron plate, and rib is for contradicting riveter portion
Outer surface.
9. spring return type electromagnetic relay according to claim 1, it is characterised in that: the static terminal includes holding parts
And from junction made of holding parts bending, holding parts are set to insulating body, and holding parts are fixed on insulating body via screw,
The free end of holding parts is equipped with the static contact for moved end to be connected, and junction is equipped with the hollow cylinder protruded into insulating body,
Extraneous conductor is for being located in hollow cylinder.
10. spring return type electromagnetic relay according to claim 1, it is characterised in that: the spring return type electromagnetism
Relay further includes plastic casing, and plastic casing is sheathed on the outside of insulating body, and plastic casing is equipped with for being installed with electromagnet, dynamic point block
And the blind chamber of accommodating of static terminal;Plastic casing is removably set there are two permanent magnet, and two permanent magnets are located at the outside of plastic casing, and two
The polarity of a permanent magnet side close to each other on the contrary, be located at contact conducting of moved end with static terminal two permanent magnets it
Between.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910069191.XA CN109727821A (en) | 2019-01-24 | 2019-01-24 | A kind of spring return type electromagnetic relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910069191.XA CN109727821A (en) | 2019-01-24 | 2019-01-24 | A kind of spring return type electromagnetic relay |
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Publication Number | Publication Date |
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CN109727821A true CN109727821A (en) | 2019-05-07 |
Family
ID=66299954
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CN201910069191.XA Withdrawn CN109727821A (en) | 2019-01-24 | 2019-01-24 | A kind of spring return type electromagnetic relay |
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CN (1) | CN109727821A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110310865A (en) * | 2019-07-22 | 2019-10-08 | 三友联众集团股份有限公司 | A kind of contact conducting construction for relay |
CN110739184A (en) * | 2019-09-09 | 2020-01-31 | 成都阿尔刚雷绝缘连电插座制造有限公司 | kinds of relay with quick response |
WO2022117077A1 (en) * | 2020-12-03 | 2022-06-09 | 华为技术有限公司 | Relay |
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CN101807492A (en) * | 2010-03-23 | 2010-08-18 | 乐清市金川电子有限公司 | Large-current relay |
WO2011117514A1 (en) * | 2010-03-22 | 2011-09-29 | Valeo Equipements Electriques Moteur | Moving element for electromagnetic relay switch and associated electromagnetic power relay switch |
CN206877918U (en) * | 2017-04-07 | 2018-01-12 | 浙江正泰电器股份有限公司 | The attachment structure and relay of armature and yoke |
CN107644788A (en) * | 2017-10-10 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of push jack rotating relay |
CN208077885U (en) * | 2018-05-16 | 2018-11-09 | 温州佳捷电气有限公司 | Fire fighting folding door controls relay |
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2019
- 2019-01-24 CN CN201910069191.XA patent/CN109727821A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2011117514A1 (en) * | 2010-03-22 | 2011-09-29 | Valeo Equipements Electriques Moteur | Moving element for electromagnetic relay switch and associated electromagnetic power relay switch |
CN101807492A (en) * | 2010-03-23 | 2010-08-18 | 乐清市金川电子有限公司 | Large-current relay |
CN206877918U (en) * | 2017-04-07 | 2018-01-12 | 浙江正泰电器股份有限公司 | The attachment structure and relay of armature and yoke |
CN107644788A (en) * | 2017-10-10 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of push jack rotating relay |
CN208077885U (en) * | 2018-05-16 | 2018-11-09 | 温州佳捷电气有限公司 | Fire fighting folding door controls relay |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110310865A (en) * | 2019-07-22 | 2019-10-08 | 三友联众集团股份有限公司 | A kind of contact conducting construction for relay |
CN110310865B (en) * | 2019-07-22 | 2024-02-20 | 三友联众集团股份有限公司 | Contact conduction structure for relay |
CN110739184A (en) * | 2019-09-09 | 2020-01-31 | 成都阿尔刚雷绝缘连电插座制造有限公司 | kinds of relay with quick response |
CN110739184B (en) * | 2019-09-09 | 2022-04-15 | 成都阿尔刚雷绝缘连电插座制造有限公司 | Quick response relay |
WO2022117077A1 (en) * | 2020-12-03 | 2022-06-09 | 华为技术有限公司 | Relay |
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Application publication date: 20190507 |