CN107507739A - A kind of sealed contact assembly - Google Patents
A kind of sealed contact assembly Download PDFInfo
- Publication number
- CN107507739A CN107507739A CN201710852200.3A CN201710852200A CN107507739A CN 107507739 A CN107507739 A CN 107507739A CN 201710852200 A CN201710852200 A CN 201710852200A CN 107507739 A CN107507739 A CN 107507739A
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- China
- Prior art keywords
- insulation shell
- yoke plate
- contact assembly
- contact
- valve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Contacts (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to relay accessory technical field, in particular disclose a kind of sealed contact assembly, including armature cover, yoke plate, can valve, insulation shell and two stationary contacts；Armature cover is welded in yoke plate, can one end of valve be welded in yoke plate, can the other end edge of valve bury and take shape in insulation shell, two stationary contacts, which are inlayed to bury, takes shape in insulation shell, yoke plate is communicated with the perforation of accommodating blind hole and accommodating cavity, and accommodating blind hole, perforation, accommodating cavity form closed receiving space；During actual use, contact assembly and relay others accessory are formed into complete relay, during actual use, two being turned on or off for stationary contact occur in closed receiving space, caused arc damage other accessories when preventing when two stationary contacts from turning on or disconnecting, extend the service life of relay, while be also prevented from other accessories and two being turned on or off for stationary contact are interfered, it is ensured that the stability of contact assembly performance.
Description
Technical field
The present invention relates to relay accessory technical field, in particular discloses a kind of sealed contact assembly.
Background technology
Relay as " automatic switch " in circuit, be primary element essential in many electronic equipments it
One；Relay includes multiple accessories and the contact point unit for realizing circuit turn-on or disconnection, using in use, working as contact point unit
Electric arc can be inevitably generated during conducting or when disconnecting, because the tectonic sieving of prior art repeat circuit is unreasonable, contact
Electric arc caused by unit can damage other accessories of relay, cause the service life of relay to substantially reduce, meanwhile, Qi Tapei
Part can also interfere to the break-make of contact point unit, cause the performance of contact point unit extremely unstable.
The content of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide a kind of sealed contact
Component, two being turned on or off for stationary contact occur in closed receiving space, it is ensured that contact assembly performance it is steady
It is qualitative, extend the service life of relay.
To achieve the above object, a kind of sealed contact assembly of the invention, including armature cover, yoke plate, can valve, insulation
Shell and two stationary contacts, armature are covered with accommodating blind hole, and yoke plate is used to covering accommodating blind hole, armature cover, can valve be located at respectively
The both sides of yoke plate, insulation shell via can valve be connected to yoke plate, insulation shell is provided with accommodating cavity, can valve collar around accommodating cavity set,
Yoke plate is used to cover accommodating cavity, and one end of two stationary contacts is protruded into accommodating cavity, and the other end of two stationary contacts is prominent
Stretch out insulation shell；The armature cover is welded in yoke plate, can one end of valve be welded in yoke plate, can the other end edge of valve bury shaping
In insulation shell, two stationary contacts, which are inlayed to bury, takes shape in insulation shell, and yoke plate is communicated with the perforation of accommodating blind hole and accommodating cavity, holds
Put blind hole, perforation, accommodating cavity form closed receiving space.
Preferably, the contact assembly also includes two auxiliary contact, and two auxiliary contact, which are inlayed to bury, takes shape in insulation shell,
One end of two auxiliary contact is protruded into receiving space, and the other end of two auxiliary contact stretches out insulation shell.
Preferably, the contact assembly also includes gas tube, and gas tube edge, which buries, takes shape in insulation shell, and gas tube is provided with and receipts
Hold the stomata of space connection, stomata runs through gas tube and insulation shell.
Preferably, the contact assembly also includes slide bar unit, slide bar unit include armature part in receiving space,
Back-moving spring, body of rod part and dynamic point block, body of rod part are slided and are located in perforation, and armature part is connected with body of rod part, and armature part slides
It is located in accommodating blind hole, the both ends of back-moving spring contradict armature part and yoke plate respectively, and dynamic point block is connected with body of rod part, dynamic point
Block, armature part are located at yoke plate both sides respectively, and dynamic point block is used for two stationary contacts that are turned on or off.
Preferably, the slide bar unit also includes the pre-compressed spring in receiving space, and back-moving spring, pre-compressed spring are equal
The outside of body of rod part is sheathed on, back-moving spring, pre-compressed spring are located at the both sides of yoke plate respectively, and one end of pre-compressed spring, which contradicts, to be moved
Point block, the other end of pre-compressed spring contradict yoke plate or body of rod part.
Preferably, the slide bar unit also includes push jack and reed in receiving space, and push jack is connected with body of rod part,
Push jack, armature part are located at the both sides of yoke plate respectively, and reed edge, which buries, takes shape in push jack.
Preferably, the push jack includes the body being connected with body of rod part and from the guide plate portion of body bending extension, leads
Plate portion is slided and is located in accommodating cavity, and reed is provided with two contacts, and dynamic point block, contact are located at the both sides in guide plate portion respectively.
Preferably, the reed is provided with two elastic arms, and two contacts are connected to two elastic arms.
Preferably, the stationary contact is provided with not rounded portion, and not rounded portion is located in insulation shell.
Preferably, it is described can valve be provided with multiple lugs for being spaced, multiple lugs are respectively positioned in insulation shell.
Beneficial effects of the present invention：During actual use, by contact assembly and relay others accessory form completely after
Electrical equipment, during actual use, two being turned on or off for stationary contact occur in closed receiving space, prevent two stationary contacts
Caused arc damage other accessories during conducting or when disconnecting, extend the service life of relay, while be also prevented from other match somebody with somebody
Part interferes to two being turned on or off for stationary contact, it is ensured that the stability of contact assembly performance.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the dimensional structure diagram at another visual angle of the present invention；
Fig. 3 is the decomposition texture schematic diagram of the present invention；
Fig. 4 is the decomposition texture schematic diagram at another visual angle of the present invention；
Fig. 5 is the dimensional structure diagram of the slide bar unit of the present invention；
Fig. 6 is the close-up schematic view of part A in Fig. 3.
Reference includes：
1-armature, 2-yoke of cover plate 3-can valve
4-insulation shell, 5-stationary contact 6-accommodating blind hole
7-accommodating cavity 8-9-auxiliary contact of perforation
11-neck, 12-gas tube, 13-stomata
14-annular groove, 15-slide bar unit 16-armature part
17-back-moving spring, 18-body of rod part 19-dynamic point block
21-sleeve 22-positioning 23-push jack of flange collar
24-reed, 25-body, 26-guide plate portion
27-contact, 28-elastic arm 29-not rounded portion
The plane of the plane of 31-lug 32-the first 33-the second
34-pre-compressed spring.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and accompanying drawing
Bright, the content that embodiment refers to not is limitation of the invention.
Refer to shown in Fig. 1 to Fig. 4, a kind of sealed contact assembly of the invention, including armature cover 1, yoke plate 2, can
Valve 3, insulation shell 4 and two stationary contacts 5, armature cover 1 are made of metal material, and armature cover 1 is substantially in hollow cylindric, rank
Iron cover 1 is provided with accommodating blind hole 6, and accommodating blind hole 6 forms from the outer surface of armature cover 1 is recessed, and accommodating blind hole 6 does not run through armature cover 1；
Yoke plate 2 is substantially in tabular, and in the present embodiment, yoke plate 2 is rounded, and yoke plate 2 is used to cover accommodating blind hole 6, armature cover
1st, can valve 3 be located at the both sides of yoke plate 2 respectively, i.e., yoke plate 2 is clamped in armature cover 1 and can be between valve 3, and insulation shell 4 is via can
Valve 3 is connected on yoke plate 2, and insulation shell 4 is intervally installed with yoke plate 2, and insulation shell 4 is provided with accommodating cavity 7, and accommodating cavity 7 is certainly
Insulation shell 4 is formed close to the side of yoke plate 2 is recessed, and accommodating cavity 7 does not run through insulation shell 4, can valve 3 substantially in annular shape, can valve 3
Being set around accommodating cavity 7, yoke plate 2 is used to cover accommodating cavity 7, and one end of two stationary contacts 5 is protruded into accommodating cavity 7, and two
The other end of individual stationary contact 5 stretches out insulation shell 4.
The armature cover 1 is welded on yoke plate 2, can one end of valve 3 be welded on yoke plate 2, it is preferable that armature cover 1,
Can valve 3 be welded on via laser on yoke plate 2, lift welding efficiency and welding quality；Can valve 3 the other end edge bury into
Type (i.e. Inert Molding, also known as injection molding or be integrally formed) in insulation shell 4, two stationary contacts 5 are inlayed and bury shaping
In insulation shell 4, compared to can valve 3, stationary contact 5 be assembled on insulation shell 4, prevent can between valve 3 and insulation shell 4, stationary contact 5
Gap is produced between insulation shell 4, while the efficiency of assembling that also lifting can be between valve 3, stationary contact 5, insulation shell 4, yoke plate 2 are set
There are the accommodating blind hole 6 of connection and the perforation 8 of accommodating cavity 7, perforation 8 runs through yoke plate 2, and accommodating blind hole 6, perforation 8, accommodating cavity 7 are formed
Closed receiving space, i.e. armature cover 1, yoke plate 2, can valve 3, insulation shell 4, stationary contact 5 be collectively forming seal.
During actual use, contact assembly and relay others accessory are formed into complete relay, during actual use, two
Being turned on or off for individual stationary contact 5 occurs in closed receiving space, prevents when two stationary contacts 5 from turning on or disconnects when institute
The caused other accessories of arc damage, extend the service life of relay；Other accessories are also prevented from simultaneously to two stationary contacts 5
It is turned on or off and interferes, it is ensured that the stability of contact assembly performance.
The contact assembly also includes two auxiliary contact 9, and two auxiliary contact 9 are inlayed to bury and are molded in insulation shell 4, and two
One end of individual auxiliary contact 9 is protruded into receiving space, and two being turned on or off for auxiliary contact 9 are similarly positioned in receiving space
Interior, the other end of two auxiliary contact 9 stretches out insulation shell 4.During actual use, two stationary contacts 5 are used to be turned on or off
Main circuit, two auxiliary contact 9 are used for the auxiliary circuit that is turned on or off, two-way circuit can be controlled simultaneously using a relay
Be turned on or off, reduce the usage quantity of relay, reduce the use cost of relay.
Refer to shown in Fig. 3, Fig. 4 and Fig. 6, the auxiliary contact 9 are provided with neck 11, and neck 11 is from auxiliary contact 9
Outer surface is recessed to be formed, and neck 11 is located in insulation shell 4；After the edge of auxiliary contact 9, which buries, to be molded in insulation shell 4, insulation shell 4
A part protrude into neck 11, cause auxiliary contact 9 steadily using the mutual block between insulation shell 4 and the side wall of neck 11
It is positioned on insulation shell 4, avoids relatively moving between auxiliary contact 9 and insulation shell 4.
The contact assembly also includes gas tube 12, and substantially in hollow cylindric, the edge of gas tube 12 buries into gas tube 12
For type in insulation shell 4, gas tube 12 is provided with the stomata 13 connected with receiving space, and stomata 13 runs through gas tube 12 and insulation shell 4.
During actual use, extraneous charger is connected with the stomata 13 of gas tube 12, and the air in closed receiving space is extracted out,
Then inert gas (such as helium) is filled with into receiving space via gas tube 12 again so that stationary contact 5, auxiliary contact 9 are equal
In environment in inert gas, it is located at compared to stationary contact 5, auxiliary contact 9 in air, avoids stationary contact 5, auxiliary contact 9
The Quick Oxidation denaturation because of the generation of electric arc during use, extend stationary contact 5, the service life of auxiliary contact 9, and then extend
The service life of relay.
In the present embodiment, gas tube 12 is provided with annular groove 14, and annular groove 14 does not run through the side wall of gas tube 12, and annular groove 14 is inflated certainly
The outer surface of pipe 12 is recessed to be formed；After the edge of gas tube 12, which buries, to be molded in insulation shell 4, a part for insulation shell 4 protrudes into
In annular groove 14, the mutual block between the side wall of insulation shell 4 and annular groove 14 is utilized, it is ensured that the strong fix of gas tube 12 is in insulation shell
On 4, prevent from relatively moving between gas tube 12 and insulation shell 4.
Refer to shown in Fig. 1 to Fig. 6, the contact assembly also includes slide bar unit 15, and slide bar unit 15 is included positioned at receipts
Hold armature part 16, back-moving spring 17, body of rod part 18 and the dynamic point block 19 in space, body of rod part 18 is substantially in strip, body of rod part
18 slips are installed with perforation 8, and armature part 16 is connected with body of rod part 18, and armature part 16 is slided and is installed with accommodating blind hole 6, are resetted
The both ends of spring 17 are contradicted on armature part 16 and on yoke plate 2 respectively, and dynamic point block 19 is made of conductive material, dynamic point block 19
It is connected with body of rod part 18, in the present embodiment, armature part 16, dynamic point block 19 are separately mounted on the both ends of body of rod part 18, dynamic point block
19th, armature part 16 is located at the both sides of yoke plate 2 respectively, and dynamic point block 19 is used for two stationary contacts 5 that are turned on or off.
After relay is completed, to relay power, the electromagnetic assembly of relay causes yoke plate 2 to produce magnetic, production
Yoke plate 2 after magnetisation attracts armature part 16 so that and armature part 16 moves along accommodating blind hole 6 towards close to the direction of yoke plate 2,
In the process, back-moving spring 17 is compressed, and related body of rod part 18 moves along perforation 8 when armature part 16 moves, and body of rod part 18 moves
Related dynamic point block 19 moves together when dynamic, and then causes dynamic point block 19 to contradict one protruded into two stationary contacts 5 in accommodating cavity 7
On end, two stationary contacts 5 can turn on via dynamic point block 19.After relay powers off, yoke plate 2, which loses magnetism, no longer attracts rank
Ironware 16, back-moving spring 17 drive the related dynamic point block 19 of armature part 16 to reset in the presence of natural resiliency restoring force, and two quiet
Contact 5 disconnects.
In the present embodiment, sleeve 21 is equiped with the yoke plate 2, sleeve 21 is installed with perforation 8, and body of rod part 18 runs through
Sleeve 21, body of rod part 18 are slidably connected in sleeve 21；Sleeve 21 is provided with the positioning flange collar 22 being connected on yoke plate 2, resets
The both ends of spring 17 contradict on armature part 16 and on sleeve 21 respectively, are directly contradicted compared to back-moving spring 17 in yoke plate 2
On, back-moving spring 17 is effectively avoided to abrasion caused by yoke plate 2, the service life of extension yoke plate 2.
The slide bar unit 15 also includes the pre-compressed spring 34 in receiving space, back-moving spring 17, pre-compressed spring 34
The outside of body of rod part 18 is set in, back-moving spring 17, pre-compressed spring 34 are located at the both sides of yoke plate 2, pre-compressed spring 34 respectively
One end contradict on dynamic point block 19, the other end of pre-compressed spring 34 is contradicted on yoke plate 2 or on body of rod part 18.
During the use of relay, when dynamic point block 19 turns on two stationary contacts 5, pre-compressed spring 34 is in compression shape
State, pre-compressed spring 34 cause dynamic point block 19 steadily to contradict on two stationary contacts 5 using the elastic-restoring force of itself, prevent because after
Electrical equipment is unexpectedly touched or shakes and cause dynamic point block 19 to be separated with stationary contact 5, is turned between two stationary contacts 5 of lifting
Stability, lift the performance of relay.After dynamic point block 19 separates with stationary contact 5, pre-compressed spring 34 is in natural length
State.
The slide bar unit 15 also includes push jack 23 and reed 24 in receiving space, and push jack 23 connects with body of rod part 18
Connect, push jack 23, armature part 16 are located at the both sides of yoke plate 2 respectively, in the present embodiment, push jack 23 adopt it is made of plastic, according to reality
Border needs, and push jack 23 may be mounted on body of rod part 18, is molded over it is of course also possible to which the edge of body of rod part 18 is buried in push jack 23；Spring
The edge of piece 24 is buried and is molded on push jack 23, is assembled in compared to reed 24 on push jack 23, the positioning of lifting reed 24 and push jack 23 and
Installation effectiveness.
After relay power, yoke plate 2 produces magnetic and attracts armature part 16, and the related body of rod part 18 of armature part 16 moves together
Dynamic, related push jack 23 moves together when body of rod part 18 moves, because reed 24 is arranged on push jack 23, when push jack 23 moves
Related reed 24 is moved together, and then reed 24 is contradicted on two auxiliary contact 9, and two auxiliary contact 9 can be via
Reed 24 turns on；After relay powers off, back-moving spring 17 drives armature part 16 related in the presence of natural resiliency restoring force
Body of rod part 18 resets, and the driving related reed 24 of push jack 23 resets together when body of rod part 18 resets so that two auxiliary contact 9 are disconnected
Open.
The push jack 23 includes the body 25 being connected with body of rod part 18 and the guide plate portion 26 of extension is bent from body 25,
Body 25, guide plate portion 26 are substantially in tabular, it is preferable that guide plate portion 26 is vertically arranged with body 25, and guide plate portion 26 is slided
It is visibly moved to be located in accommodating cavity 7, two contacts 27 are provided with reed 24, dynamic point block 19, contact 27 are respectively positioned at guide plate portion 26
Both sides；During the use of relay, two contacts 27 of reed 24 contradict on two auxiliary contact 9 respectively, and two auxiliary
Help contact 9 to be turned on via reed 24, kept apart stationary contact 5 and auxiliary contact 9 using guide plate portion 26, it is ensured that two stationary contacts
The break-make between break-make, two auxiliary contact 9 between point 5 will not interfere, and lift the performance of relay.
The reed 24 is provided with two elastic arms 28, and elastic arm 28 stretches out guide plate portion 26, in the present embodiment, two guide plate portions
26 are respectively positioned on the same side in guide plate portion 26, and two contacts 27 are connected on two elastic arms 28, it is preferable that contact 27 and elastic arm
28 be that integral type constructs.When two contacts 27 contradict when on two auxiliary contact 9 respectively, elastic deformation occurs for elastic arm 28, makes
Obtain reed 24 has certain precompression to two auxiliary contact 9, prevents from leading because relay is unexpectedly touched or shaken
Cause reed 24 to be separated with auxiliary contact 9, lift the stability turned between two auxiliary contact 9, lift the usability of relay
Energy.
Referring to shown in Fig. 1 to Fig. 4, the stationary contact 5 is provided with not rounded portion 29, according to being actually needed, the horizontal stroke in not rounded portion 29
Cross sectional shape can be semicircle, ellipse, triangle, rectangle etc., and not rounded portion 29 is located in insulation shell 4；When contact assembly system
After the completion of making, insulation shell 4 forms the non-circular hole for being installed with not rounded portion 29, using the cooperation of not rounded portion 29 and non-circular hole, prevents
Only relatively rotated between stationary contact 5 and insulation shell 4.
It is described can valve 3 be provided with multiple lugs 31 for being spaced, multiple lugs 31 are respectively positioned in insulation shell 4；Work as contact sets
After the completion of part manufacture, a part for insulation shell 4 is protruded between two neighboring lug 31, using between lug 31 and insulation shell 4
Mutual block, prevent to relatively rotate between valve 3 and insulation shell 4, it is ensured that can valve 3 be steadily positioned on insulation shell 4.
The insulation shell 4 away from can one end of valve 3 be provided with the first plane 32 and the second plane 33 that are parallel to each other, first is flat
Face 32 is located in different planes from the second plane 33, and stationary contact 5 runs through the first plane 32, and auxiliary contact 9 run through the second plane
33；Run through same plane compared to stationary contact 5, auxiliary contact 9, in the production process of contact assembly, effectively avoid stationary contact
5th, positional fault occurs for auxiliary contact 9, lifts the production yield of contact assembly.
In the present embodiment, the gas tube 12 also extends through the second plane 33, and two auxiliary contact 9 are respectively positioned on two stationary contacts
The same side of line, two stationary contacts 5 are respectively positioned between gas tube 12 and auxiliary contact 9 between point 5；When contact assembly has manufactured
Cheng Hou, gas tube 12, auxiliary contact 9 are located at the both sides of line between two stationary contacts 5 respectively, it is ensured that between two stationary contacts 5
The weight of insulation shell 4 of the both sides of line is roughly equal, lifts the yields of the injection molding of insulation shell 4.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (10)
1. a kind of sealed contact assembly, including armature cover, yoke plate, can valve, insulation shell and two stationary contacts, armature be covered with
Accommodating blind hole, yoke plate are used to covering accommodating blind hole, armature cover, can valve be located at the both sides of yoke plate respectively, insulation shell is via can
Valve is connected to yoke plate, and insulation shell is provided with accommodating cavity, can valve collar set around accommodating cavity, yoke plate is used to cover accommodating cavity, two
One end of stationary contact is protruded into accommodating cavity, and the other end of two stationary contacts stretches out insulation shell；It is characterized in that：It is described
Armature cover is welded in yoke plate, can one end of valve be welded in yoke plate, can the other end edge of valve bury and take shape in insulation shell, two are quiet
Contact, which inlays to bury, takes shape in insulation shell, and yoke plate is communicated with the perforation of accommodating blind hole and accommodating cavity, houses blind hole, perforation, appearance
Put chamber and form closed receiving space.
2. sealed contact assembly according to claim 1, it is characterised in that：The contact assembly also includes two auxiliary
Contact, two auxiliary contact, which are inlayed to bury, takes shape in insulation shell, and one end of two auxiliary contact is protruded into receiving space, two
The other end of auxiliary contact stretches out insulation shell.
3. sealed contact assembly according to claim 1, it is characterised in that：The contact assembly also includes gas tube,
Gas tube edge, which buries, takes shape in insulation shell, and gas tube is provided with the stomata connected with receiving space, and stomata runs through gas tube and insulation shell.
4. sealed contact assembly according to claim 1, it is characterised in that：The contact assembly also includes slide bar list
Member, slide bar unit include armature part, back-moving spring, body of rod part and the dynamic point block in receiving space, and body of rod part is slided and is installed with
In in perforation, armature part is connected with body of rod part, and armature part is slided and is located in accommodating blind hole, and the both ends of back-moving spring contradict respectively
Armature part and yoke plate, dynamic point block are connected with body of rod part, and dynamic point block, armature part are located at yoke plate both sides respectively, and dynamic point block is used for
Be turned on or off two stationary contacts.
5. sealed contact assembly according to claim 4, it is characterised in that：The slide bar unit is also included positioned at collecting
Pre-compressed spring in space, back-moving spring, pre-compressed spring are sheathed on the outside of body of rod part, back-moving spring, pre-compressed spring difference
Positioned at the both sides of yoke plate, one end of pre-compressed spring contradicts dynamic point block, and the other end of pre-compressed spring contradicts yoke plate or body of rod part.
6. sealed contact assembly according to claim 4, it is characterised in that：The slide bar unit is also included positioned at collecting
Push jack and reed in space, push jack are connected with body of rod part, and push jack, armature part are located at the both sides of yoke plate respectively, and reed edge buries
Take shape in push jack.
7. sealed contact assembly according to claim 5, it is characterised in that：The push jack includes what is be connected with body of rod part
Body and the guide plate portion that extension is bent from body, guide plate portion slides and is located in accommodating cavity, and reed is provided with two contacts, moves
Point block, contact are located at the both sides in guide plate portion respectively.
8. sealed contact assembly according to claim 7, it is characterised in that：The reed is provided with two elastic arms, two
Contact is connected to two elastic arms.
9. sealed contact assembly according to claim 1, it is characterised in that：The stationary contact is provided with not rounded portion, not rounded
Portion is located in insulation shell.
10. sealed contact assembly according to claim 1, it is characterised in that：It is described can valve be provided be spaced it is more
Individual lug, multiple lugs are respectively positioned in insulation shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852200.3A CN107507739B (en) | 2017-09-19 | 2017-09-19 | Sealed contact assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852200.3A CN107507739B (en) | 2017-09-19 | 2017-09-19 | Sealed contact assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107507739A true CN107507739A (en) | 2017-12-22 |
| CN107507739B CN107507739B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710852200.3A Active CN107507739B (en) | 2017-09-19 | 2017-09-19 | Sealed contact assembly |
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| CN (1) | CN107507739B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987191A (en) * | 2018-08-08 | 2018-12-11 | 三友联众集团股份有限公司 | A kind of contactor Improvement type contact assembly |
| CN109637890A (en) * | 2019-01-16 | 2019-04-16 | 三友联众集团股份有限公司 | A kind of air-flow arc blowing type relay |
| CN110504136A (en) * | 2019-07-23 | 2019-11-26 | 厦门宏发电力电器有限公司 | A kind of closed type high voltage direct current relay |
| CN110875161A (en) * | 2018-08-31 | 2020-03-10 | Ls产电株式会社 | DC relay |
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| CN109637890B (en) * | 2019-01-16 | 2024-02-20 | 三友联众集团股份有限公司 | Air current arc blowing type relay |
| CN110504136A (en) * | 2019-07-23 | 2019-11-26 | 厦门宏发电力电器有限公司 | A kind of closed type high voltage direct current relay |
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