CN109637890B - Air current arc blowing type relay - Google Patents
Air current arc blowing type relay Download PDFInfo
- Publication number
- CN109637890B CN109637890B CN201910040128.3A CN201910040128A CN109637890B CN 109637890 B CN109637890 B CN 109637890B CN 201910040128 A CN201910040128 A CN 201910040128A CN 109637890 B CN109637890 B CN 109637890B
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- China
- Prior art keywords
- air flow
- flow plate
- push rod
- plate
- arm
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- 238000007664 blowing Methods 0.000 title claims abstract description 20
- 238000010891 electric arc Methods 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims description 27
- 230000003068 static effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Elimination Of Static Electricity (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to the technical field of relays, in particular to an air flow arc-blowing type relay, which comprises a main body assembly, a push rod assembly movably arranged on the main body assembly, a movable point block connected with the push rod assembly, and two fixed contacts arranged on the main body, wherein the movable push rod assembly moves with the movable point block to enable the movable point block to conduct the two fixed contacts or separate from the two fixed contacts to disconnect conduction between the two fixed contacts; the air flow plate is movably arranged on the main body component; when in actual use, the movable push rod assembly drives the air flow plate to move, and air flow generated when the air flow plate moves blows off the electric arc between the moving point block and the fixed contact, so that the arc root of the electric arc can be blown off the contact surface between the moving point block and the fixed contact quickly, the contact surface between the moving point block and the fixed contact is not easy to burn, and the service life of the moving point block and the fixed contact is prolonged.
Description
Technical Field
The invention relates to the technical field of relays, and particularly discloses an air flow arc blowing type relay.
Background
The relay is one of basic elements of various automatic machines, and most of the relay comprises a movable terminal and a static terminal, and in the using process of the relay, the on-off of a circuit is realized by utilizing the on-off of the movable terminal and the static terminal, and in the on-off process of the movable terminal and the static terminal, an electric arc is generated between the movable terminal and the static terminal, and the electric arc often causes the burning loss of the contact surface between the movable terminal and the static terminal, so that the movable terminal and the static terminal cannot be used normally, and the normal service life of the relay is seriously reduced.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide an air flow arc-blowing type relay, wherein air flow generated during movement of an air flow plate 5 blows off an electric arc between a moving point block and a fixed contact, so that an arc root of the electric arc can be quickly blown off a contact surface between the moving point block and the fixed contact, the contact surface between the moving point block and the fixed contact is not easy to burn, and the service lives of the moving point block and the fixed contact are prolonged.
In order to achieve the above purpose, the air flow arc-blowing relay of the invention comprises a main body component, a push rod component movably arranged on the main body component, a movable point block connected with the push rod component, and two fixed contacts arranged on the main body component, wherein the movable push rod component moves with the movable point block to enable the movable point block to conduct the two fixed contacts or separate from the two fixed contacts to disconnect the conduction between the two fixed contacts; the air flow device further comprises an air flow plate movably arranged on the main body assembly, the push rod assembly is used for driving the air flow plate to move, and air flow generated during movement of the air flow plate blows away an electric arc between the moving point block and the fixed contact.
Preferably, the air flow arc-blowing relay further comprises a ceramic shell, two fixed contacts are arranged on the ceramic shell, one end of each fixed contact protrudes into the ceramic shell, and the other end of each fixed contact protrudes out of the ceramic shell; the number of the air flow plates is two, the moving point blocks and the two air flow plates are both positioned in the ceramic shell, and the electric arcs between the two ends of the moving point blocks and the two fixed contacts are blown to the ceramic shell by air flow generated when the two air flow plates move.
Preferably, the middle part of the air flow plate is rotatably arranged on the main body assembly, the push rod assembly is provided with a driving bar, one end of the air flow plate is provided with a sliding groove, and the driving bar rotates and is slidingly accommodated in the sliding groove.
Preferably, the air flow arc-blowing relay further comprises a first shaft body, two sides of the middle part of the air flow plate are respectively arranged on the main body assembly in a rotating mode through two ends of the first shaft body, two first arm parts are arranged at the other end of the air flow plate, and one end of the moving point block and the fixed contact are located between the two first arm parts.
Preferably, the air flow arc-blowing relay further comprises a first elastic piece and a second shaft body, the middle part of the air flow plate is rotatably arranged on the main body assembly through the second shaft body, the push rod assembly unit is provided with a supporting arm for abutting against the air flow plate, the movable push rod assembly unit moves together with the supporting arm, the air flow plate is rotated through abutting against the air flow plate when the supporting arm moves, and the first elastic piece is used for driving the air flow plate to reset.
Preferably, two second arm parts are arranged at two ends of the air flow plate, one end of each of the fixed contact and the movable point block is positioned between the two second arm parts at one end of the air flow plate, and the other end of each of the fixed contact and the movable point block is positioned between the two second arm parts at the other end of the air flow plate; the support arm and the first elastic piece are respectively positioned at two sides of the air flow plate, and two ends of the first elastic piece respectively abut against the main body assembly and the air flow plate.
Preferably, the push rod assembly is provided with a fixed arm, the air flow plate is provided with a fixed hole, the fixed arm is arranged on the fixed arm and protrudes into the fixed hole, the movable push rod assembly moves together with the air flow plate through the fixed arm, two ends of the air flow plate are provided with two third arm parts, one end of one fixed contact and one end of the movable point block are located between the two third arm parts at one end of the air flow plate, and the other end of the other fixed contact and the other end of the movable point block are located between the two third arm parts at the other end of the air flow plate.
Preferably, the air flow arc blowing type relay further comprises a second elastic piece, the push rod assembly is provided with a driving inclined plane, the air flow plate is arranged on the main body assembly in a sliding mode, the driving inclined plane is enabled to abut against the air flow plate when the push rod assembly moves, the air flow plate is enabled to move relative to the main body assembly, and the second elastic piece is used for driving the air flow plate to reset.
Preferably, the number of the air flow plates is two, the air flow plates comprise flat plate parts and vertical plate parts which are arranged in a crossing manner with the flat plate parts, the driving inclined planes are used for abutting against the flat plate parts, and the plate surfaces of the vertical plate parts are arranged in parallel with the central axis of the static contact.
Preferably, the air flow plate is provided with a sliding hole, the main body component is provided with a limiting column which is slidingly accommodated in the sliding hole, the second elastic piece is positioned in the sliding hole, and two ends of the second elastic piece respectively abut against the limiting column and the wall of the sliding hole.
The invention has the beneficial effects that: when in actual use, the movable push rod assembly drives the air flow plate to move, and air flow generated when the air flow plate moves blows off the electric arc between the moving point block and the fixed contact, so that the arc root of the electric arc can be blown off the contact surface between the moving point block and the fixed contact quickly, the contact surface between the moving point block and the fixed contact is not easy to burn, and the service life of the moving point block and the fixed contact is prolonged.
Drawings
FIG. 1 is an exploded view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a push rod assembly, a moving point block, an air flow plate and a first shaft according to a first embodiment of the present invention;
FIG. 3 is a schematic perspective view of a push rod assembly, a moving point block, an air flow plate, a second shaft, a first elastic member and a ceramic shell according to a second embodiment of the present invention;
FIG. 4 is a schematic perspective view of a push rod assembly, a moving point block and an air flow plate according to a third embodiment of the present invention;
fig. 5 is a schematic perspective view of a push rod assembly, a moving point block, an air flow plate, a second elastic member, a limiting post and a ceramic shell according to a fourth embodiment of the present invention.
The reference numerals include:
1-main body component 2-push rod component 3-moving point block
4-static contact 5-air flow plate 6-ceramic shell
7-driving bar 8-chute 9-first shaft body
51-first arm 11-first elastic member 12-second shaft body
13-support arm 14-second arm 15-stud
16-fixing arm 17-fixing hole 18-third arm
19-second elastic member 21-driving inclined surface 22-flat plate portion
23-vertical plate parts 24-slide holes 25-limit posts.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Example 1
Referring to fig. 1 and 2, the air-flow arc-blowing relay of the present invention includes a main body assembly 1, a push rod assembly 2 movably disposed on the main body assembly 1, a moving point block 3 connected with the push rod assembly 2, and two fixed contacts 4 disposed on the main body assembly 1, in this embodiment, the push rod assembly 2 is slidably disposed on the main body assembly 1, the main body assembly 1 includes an electromagnetic coil (not numbered in the figure) and an elastic reset member (not numbered in the figure), in actual use, the magnetic force generated by the electromagnetic coil is utilized to drive the push rod assembly 2 to move, when the electromagnetic coil is powered off, the elastic reset member drives the push rod assembly 2 to restore to the original position, and the moving push rod assembly 2 moves along with the moving point block 3 to make the moving point block 3 conduct the two fixed contacts 4 or separate from the two fixed contacts 4 to disconnect conduction between the two fixed contacts 4; the movable push rod assembly 2 drives the air flow plate 5 to move relative to the main body assembly 1, and air flow generated when the air flow plate 5 moves blows away an electric arc between the moving point block 3 and the fixed contact 4.
During actual use, the movable push rod assembly 2 drives the air flow plate 5 to move, and air flow generated during movement of the air flow plate 5 blows away the electric arc between the moving point block 3 and the fixed contact 4, so that the arc root of the electric arc can be quickly blown away from the contact surface between the moving point block 3 and the fixed contact 4, the contact surface between the moving point block 3 and the fixed contact 4 is not easy to burn by the electric arc, the service lives of the moving point block 3 and the fixed contact 4 are prolonged, and the normal service life of the relay is prolonged.
The air flow arc-blowing relay further comprises a ceramic shell 6, the ceramic shell 6 is approximately hollow cuboid, two fixed contacts 4 are arranged on the ceramic shell 6, one end of each fixed contact 4 protrudes into the ceramic shell 6, and the other end of each fixed contact 4 protrudes out of the ceramic shell 6; the number of the air flow plates 5 is two, the movable point block 3 and the two air flow plates 5 are both positioned in the ceramic shell 6, the movable point block 3 is used for switching on or switching off one end of the two fixed contacts 4 protruding into the ceramic shell 6, and air flow generated when the two air flow plates 5 move blows electric arcs between the two ends of the movable point block 3 and the two fixed contacts 4 onto the ceramic shell 6 respectively, the extinguishing of the electric arcs is quickened through the arrangement of the ceramic shell 6, meanwhile, the electric arcs are kept in the ceramic shell 6, and the electric arcs are prevented from touching other accessories of the relay to influence the use.
The middle part of air current board 5 rotates and sets up on main part subassembly 1, is equipped with drive bar 7 on the push rod subassembly 2, and drive bar 7 is approximately straight strip form, and the one end of air current board 5 is equipped with spout 8, and drive bar 7 rotates and slides to hold and establish in spout 8. When the push rod assembly 2 moves, the push rod assembly 2 moves together with the driving strip 7, and the moving driving strip 7 contacts the groove wall of the sliding groove 8 to enable the air flow plate 5 to rotate; in the process of rotating the air flow plate 5, the driving strip 7 slides along the length direction of the chute 8, so that the sliding push rod assembly 2 and the rotating air flow plate 5 are prevented from being blocked.
The air flow arc-blowing relay further comprises a first shaft body 9, two sides of the middle part of the air flow plate 5 are respectively arranged on the main body assembly 1 in a rotating mode through two ends of the first shaft body 9, two first arm parts 51 are arranged at the other end of the air flow plate 5, the two first arm parts 51 are arranged at intervals in parallel, and one end of the moving point block 3 and the fixed contact 4 are located between the two first arm parts 51. In the process of rotating the air flow plate 5, the air flow plate 5 is prevented from abutting against the moving point block 3 or/and the fixed contact 4 to interfere with the normal use of the relay; in addition, the moving point block 3 is limited by the two first arm parts 51, so that the moving point block 3 is prevented from being askew and not contacting the fixed contact 4.
Example two
Referring to fig. 1 and 3, the air-flow arc-blowing relay further includes a first elastic member 11 and a second shaft 12, the middle portion of the air flow plate 5 is rotatably disposed on the main body assembly 1 via the second shaft 12, the push rod assembly 2 unit is provided with a support arm 13 for abutting against the air flow plate 5, the moving push rod assembly 2 unit moves together with the support arm 13, the support arm 13 abuts against the air flow plate 5 to rotate the air flow plate 5, and in this process, the first elastic member 11 is elastically deformed; after the push rod assembly 2 is reset, the first elastic piece 11 drives the air flow plate 5 under the action of self elastic force so that the air flow plate 5 is restored to the original position.
Two second arm portions 14 are respectively arranged at two ends of the air flow plate 5, the two second arm portions 14 at the same end of the air flow plate 5 are arranged at intervals and in parallel, one end of each of the fixed contact 4 and the moving point block 3 is positioned between the two second arm portions 14 at one end of the air flow plate 5, and the other end of each of the fixed contact 4 and the moving point block 3 is positioned between the two second arm portions 14 at the other end of the air flow plate 5; the support arm 13, the first elastic component 11 are located the both sides of air current board 5 respectively, namely air current board 5 centre gripping is between support arm 13 and first elastic component 11, and the left and right ends of first elastic component 11 are contradicted respectively on the ceramic shell 6 of body assembly 1 and on air current board 5, and in this embodiment, first elastic component 11 is the spring, and air current board 5 is equipped with the post 15, and first elastic component 11 cover is established in the outside of post 15, utilizes post 15 to carry out spacingly to first elastic component 11, prevents to take place relative movement between first elastic component 11 and the air current board 5.
The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.
Example III
Referring to fig. 1 and 4, the push rod assembly 2 is provided with a fixing arm 16, the air plate 5 is provided with a fixing hole 17, the fixing arm 16 is disposed on the fixing arm 16 and protrudes into the fixing hole 17, the moving push rod assembly 2 moves together with the air plate 5 via the fixing arm 16, two third arm portions 18 are disposed at two ends of the air plate 5, one end of one fixed contact 4 and one end of the moving point block 3 are disposed between the two third arm portions 18 at one end of the air plate 5, and the other end of the other fixed contact 4 and the other end of the moving point block 3 are disposed between the two third arm portions 18 at the other end of the air plate 5. In actual use, the movable push rod assembly 2 moves synchronously together with the air flow plate 5; preferably, the number of the fixing arms 16 is plural, the number of the fixing holes 17 is plural, and the fixing arms 16 are in one-to-one correspondence with the fixing holes 17; in this embodiment, the number of the fixing arms 16 is four, the number of the fixing holes 17 is four, and the four fixing arms 16 respectively protrude into the four fixing holes 17.
The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.
Example IV
Referring to fig. 1 and 5, the air-flow arc-blowing relay further includes a second elastic member 19, the push rod assembly 2 is provided with a driving inclined plane 21, the air flow plate 5 is slidably disposed on the main body assembly 1, the driving inclined plane 21 abuts against the air flow plate 5 when the push rod assembly 2 moves, so that the air flow plate 5 moves relative to the main body assembly 1, in this process, the second elastic member 19 is elastically deformed, and after the push rod assembly 2 resets, the second elastic member 19 drives the air flow plate 5 to reset under the action of self elastic force.
In this embodiment, the number of the air plates 5 is two, the air plates 5 include a flat plate portion 22 and a vertical plate portion 23 intersecting the flat plate portion 22, preferably, the flat plate portion 22 is perpendicular to the vertical plate portion 23, the driving inclined surface 21 is used to abut against the flat plate portion 22, and the plate surface of the vertical plate portion 23 is parallel to the central axis of the stationary contact 4.
The flat plate portion 22 of the air flow plate 5 is provided with a sliding hole 24, in this embodiment, the sliding hole 24 penetrates through the flat plate portion 22 of the air flow plate 5, the main body assembly 1 is provided with a limiting column 25 slidably accommodated in the sliding hole 24, the limiting column 25 is connected to the ceramic shell 6, the second elastic member 19 is located in the sliding hole 24, preferably, the second elastic member 19 is a spring, and the left end and the right end of the second elastic member 19 respectively abut against the limiting column 25 and the wall of the sliding hole 24.
The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. The utility model provides an air current arc-blowing type relay, including the main part subassembly, the movable point piece of movable setting in the push rod subassembly of main part subassembly, be connected with the push rod subassembly, set up two stationary contacts in the main part subassembly, the push rod subassembly slides and sets up on the main part subassembly, the main part subassembly includes solenoid and elastic reset piece, utilize the magnetic force that solenoid produced to drive the push rod subassembly and remove, after solenoid cuts off the power supply, elastic reset piece drive push rod subassembly resumes the normal position, the push rod subassembly that removes is carried the movable point piece and is moved so that the movable point piece switches on two stationary contacts or separates with two stationary contacts and break the switch-on between two stationary contacts; the method is characterized in that: the air flow device further comprises an air flow plate movably arranged on the main body assembly, the push rod assembly is used for driving the air flow plate to move, and air flow generated during movement of the air flow plate blows away an electric arc between the moving point block and the fixed contact.
2. The air flow arcing relay of claim 1, wherein: the air flow arc-blowing relay further comprises a ceramic shell, two fixed contacts are arranged on the ceramic shell, one end of each fixed contact protrudes into the ceramic shell, and the other end of each fixed contact protrudes out of the ceramic shell; the number of the air flow plates is two, the moving point blocks and the two air flow plates are both positioned in the ceramic shell, and the electric arcs between the two ends of the moving point blocks and the two fixed contacts are blown to the ceramic shell by air flow generated when the two air flow plates move.
3. The air flow arcing relay of claim 1, wherein: the middle part of air current board rotates and sets up in main part subassembly, and push rod assembly is equipped with the drive strip, and the one end of air current board is equipped with the spout, and the drive strip rotates and sliding holds in the spout.
4. A gas flow arc blow relay according to claim 3, wherein: the air flow arc-blowing relay further comprises a first shaft body, the middle part of the air flow plate is rotatably arranged on the main body assembly through the first shaft body, two first arm parts are arranged at the other end of the air flow plate, and one ends of the fixed contact and the moving point block are located between the two first arm parts.
5. The air flow arcing relay of claim 1, wherein: the air flow arc-blowing relay further comprises a first elastic piece and a second shaft body, the middle part of the air flow plate is rotatably arranged on the main body assembly through the second shaft body, the push rod assembly unit is provided with a supporting arm for abutting against the air flow plate, the movable push rod assembly unit moves together with the supporting arm, the air flow plate is enabled to rotate through abutting against the air flow plate when the supporting arm moves, and the first elastic piece is used for driving the air flow plate to reset.
6. The air flow arcing relay of claim 5, wherein: two second arm parts are arranged at two ends of the air flow plate, one end of each of the fixed contact and the movable point block is positioned between the two second arm parts at one end of the air flow plate, and the other end of each of the fixed contact and the movable point block is positioned between the two second arm parts at the other end of the air flow plate; the support arm and the first elastic piece are respectively positioned at two sides of the air flow plate, and two ends of the first elastic piece respectively abut against the main body assembly and the air flow plate.
7. The air flow arcing relay of claim 1, wherein: the push rod assembly is provided with a fixed arm, the air flow plate is provided with a fixed hole, the fixed arm is arranged on the fixed arm and protrudes into the fixed hole, the movable push rod assembly moves together with the air flow plate through the fixed arm, two ends of the air flow plate are provided with two third arm parts, one end of one fixed contact and one end of the movable point block are located between the two third arm parts at one end of the air flow plate, and the other end of the other fixed contact and the other end of the movable point block are located between the two third arm parts at the other end of the air flow plate.
8. The air flow arcing relay of claim 1, wherein: the air flow arc-blowing relay further comprises a second elastic piece, the push rod assembly is provided with a driving inclined plane, the air flow plate is arranged on the main body assembly in a sliding mode, the driving inclined plane is enabled to abut against the air flow plate when the push rod assembly moves, the air flow plate is enabled to move relative to the main body assembly, and the second elastic piece is used for driving the air flow plate to reset.
9. The air flow arcing relay of claim 8, wherein: the number of the air flow plates is two, the air flow plates comprise flat plate parts and vertical plate parts which are arranged in a crossing manner with the flat plate parts, the driving inclined surfaces are used for abutting against the flat plate parts, and the plate surfaces of the vertical plate parts are arranged in parallel with the central axis of the static contact.
10. The air flow arcing relay of claim 8, wherein: the air flow plate is provided with a sliding hole, the main body component is provided with a limiting column which is slidingly accommodated in the sliding hole, the second elastic piece is positioned in the sliding hole, and two ends of the second elastic piece respectively abut against the limiting column and the wall of the sliding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040128.3A CN109637890B (en) | 2019-01-16 | 2019-01-16 | Air current arc blowing type relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040128.3A CN109637890B (en) | 2019-01-16 | 2019-01-16 | Air current arc blowing type relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637890A CN109637890A (en) | 2019-04-16 |
| CN109637890B true CN109637890B (en) | 2024-02-20 |
Family
ID=66061023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910040128.3A Active CN109637890B (en) | 2019-01-16 | 2019-01-16 | Air current arc blowing type relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637890B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010282890A (en) * | 2009-06-05 | 2010-12-16 | Panasonic Electric Works Co Ltd | Liquid metal relay |
| CN105470054A (en) * | 2016-01-13 | 2016-04-06 | 东莞市三友联众电器有限公司 | High-voltage DC vacuum relay |
| CN206422007U (en) * | 2016-12-29 | 2017-08-18 | 东莞市三友联众电器有限公司 | A kind of pusher relay |
| CN107507739A (en) * | 2017-09-19 | 2017-12-22 | 三友联众集团股份有限公司 | A kind of sealed contact assembly |
| CN206921756U (en) * | 2017-05-24 | 2018-01-23 | 深圳巴斯巴科技发展有限公司 | A kind of New Arc transfer type contact |
| CN207302991U (en) * | 2017-10-17 | 2018-05-01 | 三友联众集团股份有限公司 | A kind of push rod Improvement type relay |
| CN209312666U (en) * | 2019-01-16 | 2019-08-27 | 三友联众集团股份有限公司 | A kind of air-flow arc blowing type relay |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5197480B2 (en) * | 2009-05-14 | 2013-05-15 | 株式会社日本自動車部品総合研究所 | Electromagnetic relay |
-
2019
- 2019-01-16 CN CN201910040128.3A patent/CN109637890B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010282890A (en) * | 2009-06-05 | 2010-12-16 | Panasonic Electric Works Co Ltd | Liquid metal relay |
| CN105470054A (en) * | 2016-01-13 | 2016-04-06 | 东莞市三友联众电器有限公司 | High-voltage DC vacuum relay |
| CN206422007U (en) * | 2016-12-29 | 2017-08-18 | 东莞市三友联众电器有限公司 | A kind of pusher relay |
| CN206921756U (en) * | 2017-05-24 | 2018-01-23 | 深圳巴斯巴科技发展有限公司 | A kind of New Arc transfer type contact |
| CN107507739A (en) * | 2017-09-19 | 2017-12-22 | 三友联众集团股份有限公司 | A kind of sealed contact assembly |
| CN207302991U (en) * | 2017-10-17 | 2018-05-01 | 三友联众集团股份有限公司 | A kind of push rod Improvement type relay |
| CN209312666U (en) * | 2019-01-16 | 2019-08-27 | 三友联众集团股份有限公司 | A kind of air-flow arc blowing type relay |
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| Publication number | Publication date |
|---|---|
| CN109637890A (en) | 2019-04-16 |
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