CN110335789B - Magnetic latching direct current relay - Google Patents
Magnetic latching direct current relay Download PDFInfo
- Publication number
- CN110335789B CN110335789B CN201910753520.2A CN201910753520A CN110335789B CN 110335789 B CN110335789 B CN 110335789B CN 201910753520 A CN201910753520 A CN 201910753520A CN 110335789 B CN110335789 B CN 110335789B
- Authority
- CN
- China
- Prior art keywords
- armature
- shaft bracket
- yoke
- magnetic steel
- iron core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000003466 welding Methods 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000000806 elastomer Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/043—Details particular to miniaturised relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a magnetic latching direct current relay which comprises a yoke, magnetic steel, an armature, a shaft bracket, coils and an iron core, wherein the magnetic steel is in spot welding connection with the yoke, two sides of the magnetic steel are respectively provided with a coil, the middle of each coil is penetrated with the iron core, one end of the iron core is connected with the yoke, the other end of the iron core is connected with the shaft bracket, the middle of the shaft bracket is provided with an arc limiting block which is turned outwards in a reverse way and is used for fixing the armature, and an elastomer with a bowl-shaped structure is arranged at an assembly hole of the shaft bracket and the iron core to improve the vibration resistance and impact resistance of the iron core. The shaft bracket structure has the functional properties of the gasket and the shaft bracket, and meanwhile, the magnetic steel is matched with the yoke iron and the shaft bracket, so that the assembly production is facilitated, and the production efficiency is improved.
Description
Technical Field
The invention discloses a magnetic latching direct current relay, which belongs to the technical field of relay manufacture according to the International Patent Classification (IPC).
Background
The existing magnetic latching direct current relay is in millimeter level, has the whole size of a small finger cover, and has the advantages of small volume, light weight and high vibration resistance. The sizes of all parts of the relay are smaller than those of other relay products, the magnetic circuit part of the relay generally adopts a bracket and a yoke to clamp an iron core and a coil, so that the problem of the movement of the coil under the vibration environment condition is solved, but because the relay products are small in size and need to be assembled manually, the iron core and a bracket hole are easy to shake relatively after being assembled, the vibration and impact resistance performance is poor, and larger mechanical noise is generated when the relay products are operated.
A gasket of a magnetic circuit system of an electromagnetic relay adopts the following anti-vibration means: the gasket with the supporting legs is added to the magnetic circuit system of the relay, and after the magnetic circuit system of the relay is riveted, the supporting legs of the gasket and the supporting legs of the yoke are spot-welded together to fix the coil and the iron core. In another relay, an iron core of a magnetic circuit system is arranged in a coil, one end of the iron core is arranged on a bracket, the other end of the iron core is riveted with a yoke, and the iron core is easy to shake and poor in vibration resistance due to direct matching of the iron core and the bracket in the literature.
In addition, the existing bracket only has the function of fixing coils, the armature is arranged on the bracket and matched with the middle magnetic steel, but the armature of the existing structure is inflexible in rotation, the joint surface of the magnetic steel and the armature is an arc-shaped surface, the magnetic utilization rate is not high, the size of the parts of the electromagnetic relay is small, and the processing efficiency of the arc-shaped surface of the magnetic steel is low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a magnetic latching direct current relay, which has the double functions of armature shaft support and gasket through a shaft bracket, and improves the production efficiency and the vibration resistance and impact resistance of a magnetic circuit part.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
The utility model provides a magnetic latching direct current relay, it includes yoke, magnet steel, armature, pedestal, coil and iron core, and magnet steel and yoke are connected fixedly, and the magnet steel both sides respectively are equipped with a coil, wears to establish the iron core in the middle of each coil, and iron core one end is connected with the yoke, and the iron core other end is connected with the pedestal, and the pedestal adopts the material stamping forming that has certain elasticity, is equipped with the bowl hole of assembly iron core on the pedestal and is used for improving iron core vibration resistance and impact performance.
Further, an arc-shaped limiting block which is turned outwards in a reverse direction and used for fixing the armature is arranged in the middle of the shaft bracket.
Further, the elastic material of the shaft bracket adopts beryllium copper or polytetrafluoroethylene.
Further, a magnetic steel perforation is arranged in the middle of the shaft bracket, two arc-shaped limiting blocks are formed by reversely turning outwards at the two ends of the perforation, and each arc-shaped limiting block is provided with a shaft hole to be matched with the rotating shaft of the armature.
Further, lead positioning grooves are arranged on two sides of the shaft bracket to play a role in foolproof of the anode and the cathode of the coil outgoing line.
Further, one end of the magnetic steel is fixedly connected with the yoke, the other end face of the magnetic steel is a plane contacted with the armature in a matched mode, a magnetic conduction rotating shaft is arranged in the middle of the armature, two ends of the magnetic conduction rotating shaft extend outwards of the armature and are matched with an upper shaft hole of the shaft bracket arc limiting block, and a bulge on one side of the magnetic conduction rotating shaft along the axial direction is contacted with the magnetic steel plane to play a role in supporting the armature to rotate.
Further, the magnetic steel passes through the shaft bracket to be matched with the armature, the armature is integrally punched and formed, the matching surface of the armature and the magnetic steel is provided with a convex rotating shaft, and two ends of the rotating shaft are protruded and matched with the shaft bracket to play a role in supporting the armature to rotate.
Further, the rotating shaft of the armature protrudes towards two ends to form a special-shaped head, the special-shaped head is provided with an arc surface part for being matched with an upper shaft hole of an arc-shaped limiting block of the shaft bracket, the periphery of the section of the special-shaped head is composed of an arc section, two inclined sections on two sides and a straight section, and the straight section and the inclined sections on two sides form a stamping limiting structure.
Further, the yoke is provided with a self-positioning groove, and the magnetic steel is connected with the yoke by self-positioning spot welding.
Further, the bottom surface of magnet steel is equipped with two symmetrical location bosss, is equipped with two matched constant head tanks on the yoke, is equipped with the pore respectively outside each constant head tank four corners, and yoke constant head tank intermediate department is equipped with the protrusion bud in order to be in the same place magnet steel and yoke spot welding connection.
The magnetic latching direct current relay has the following beneficial effects:
1. The shaft bracket structure has the functional attributes of the gasket and the shaft bracket, is beneficial to assembly production, and improves production efficiency.
2. The shaft bracket structure can be formed by stamping a material with certain elasticity, and the holes of the bowl bottom type for fixing the iron core are symmetrically arranged on the left and right sides of the shaft bracket to play a role of a gasket, so that the magnetic circuit part has high vibration and impact properties.
3. According to the invention, the matching surface of the armature and the magnetic steel is a convex surface, and the two shaft ends are matched with the shaft bracket to play a role in supporting the armature to rotate, so that the magnetic circuit part has the effects of high magnetic utilization efficiency, simple structure and reliable contact.
Drawings
FIG. 1 is an assembled schematic diagram of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
FIG. 3 is a schematic view of a shaft bracket according to the present invention.
Fig. 4 is another schematic view of the axle housing of the present invention.
Fig. 5 is a diagram showing the cooperation of the magnetic steel, the shaft bracket and the armature of the invention.
Fig. 6 is a diagram showing the cooperation of the magnetic steel and the shaft bracket of the invention.
FIG. 7 is another schematic view of the magnetic steel and the shaft bracket of the present invention.
Fig. 8 is a diagram of the magnetic steel and armature of the present invention.
Fig. 9 is another schematic diagram of the magnetic steel and armature of the present invention.
Fig. 10 is a schematic illustration of an armature of the present invention.
Fig. 11 is another schematic illustration of an armature of the present invention.
Fig. 12 is a diagram showing the cooperation of the yoke and the magnetic steel according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
Example 1: referring to fig. 1 to 12, a magnetic latching dc relay includes a yoke 1, a magnetic steel 2, an armature 3, a shaft bracket 4, coils 5, and an iron core 6, wherein the magnetic steel 2 is fixedly connected with the yoke 1, such as by spot welding or other welding, two sides of the magnetic steel 2 are respectively provided with a coil 5, the iron core 6 is penetrated in the middle of each coil 5, one end of the iron core 6 is connected with the yoke 1, the other end of the iron core 6 is connected with the shaft bracket 4, an arc-shaped limiting block 41 for fixing the armature is provided in the middle of the shaft bracket 4, and an elastomer with a bowl-shaped structure is arranged at the assembly hole of the shaft bracket and the iron core to improve the vibration resistance and impact resistance of the iron core. Referring to fig. 2 to 7, the shaft bracket 4 is formed by stamping a material with a certain elasticity, the shaft bracket 4 is symmetrically provided with bowl-shaped holes 42 for fixing the iron core, and the holes and the periphery form a bowl-shaped elastic structure. The elastic material of the shaft bracket 4 is beryllium copper or polytetrafluoroethylene. Beryllium copper is a copper alloy with beryllium as a main alloy element, and is also called as beryllium bronze. The high-grade elastic material with the best performance in copper alloy has a series of excellent physical, chemical and mechanical properties such as high strength, elasticity, hardness, fatigue strength, small elastic hysteresis, corrosion resistance, wear resistance, cold resistance, high conductivity, no magnetism, no spark generation due to impact and the like. Polytetrafluoroethylene (Teflon or PTFE) is a polymer compound polymerized from tetrafluoroethylene, and has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-tackiness, electrical insulation property and good aging resistance. The middle of the shaft bracket 4 is provided with a magnetic steel perforation 43, two ends of the perforation are reversely turned outwards to form two arc-shaped limiting blocks 41, and each arc-shaped limiting block 41 is provided with a shaft hole 410 to be matched with the rotating shaft 31 of the armature 3. Lead positioning grooves 44 are arranged on two sides of the shaft frame 4 and are matched with the coil frame grooves to play a role in foolproof of the anode and the cathode of the coil outgoing line.
Referring to fig. 1 to 12, one end of a magnetic steel 2 is fixedly connected with a yoke 1, the other end face of the magnetic steel 2 is a plane 21 in contact with an armature 3 in a matched manner, a magnetic conduction rotating shaft is arranged in the middle of the armature 3, two ends of the rotating shaft extend outwards of the armature and are matched with a shaft hole 410 on an arc-shaped limiting block of a shaft bracket 4, and a protrusion of one side of the magnetic conduction rotating shaft along the axial direction is contacted with the magnetic steel plane 21 to play a role in supporting the armature 3 to rotate. The magnetic steel 2 passes through the shaft bracket 4 to be matched with the armature 3, the armature 3 is integrally punched and formed, the matching surface of the armature 3 and the magnetic steel is provided with a convex rotating shaft 31, and two ends of the rotating shaft are protruded and matched with the shaft bracket 4 to play a role in supporting the armature 3 to rotate. The rotating shaft of the armature 3 protrudes towards two ends to form a special-shaped head, the special-shaped head is provided with an arc surface part for being matched with the shaft hole 410 on the arc-shaped limiting block of the shaft bracket 4, the periphery of the section of the special-shaped head is composed of an arc section 311, two inclined sections 312 and straight sections 313, and the straight sections 313 and the two inclined sections 312 form a stamping limiting structure. The yoke 1 is provided with a self-positioning groove 11, the magnetic steel 2 is connected with the yoke 1 through self-positioning spot welding, specifically, the bottom surface of the magnetic steel 2 is provided with two symmetrical positioning bosses 22, the yoke 1 is provided with two positioning grooves 11 which are matched, the four corners of each positioning groove are respectively provided with a pore canal, and the middle part of the positioning groove of the yoke 1 is provided with a protrusion bud for connecting the magnetic steel 2 with the yoke 1 through spot welding.
As shown in fig. 4, an arc-shaped limiting block 41 for fixing an armature is reversely turned outwards in the middle of a shaft bracket 4, a shaft hole 410 is formed in the arc-shaped limiting block 41, and a abdication space is formed in the outwards turned arc-shaped part, so that the arc-shaped limiting block and an armature rotating shaft are configured to be in line-plane fit, and the flexibility of armature rotation is improved. The armature 3 is integrally formed by punching, the rotating shaft of the armature is protruded from the matching surface, the special-shaped ends at the two ends of the rotating shaft comprise arc surfaces matched with the shaft hole 410, namely arc sections 311 (generally semicircular structures), and tapered parts (two inclined sections 312 and a straight section 313), and the width of the straight section is smaller than the maximum width of the arc surfaces, so that the armature plays a role in punching and limiting during production. The relay is small in whole, so that the vibration influence is large, and the elastic body design of the bowl-shaped hole structure on the shaft bracket plays a role in padding the iron core so as to bear high vibration and impact capacity and reduce mechanical noise.
The relay comprises a magnetic circuit part and a contact part, wherein the magnetic circuit part is provided with a yoke 1, magnetic steel 2, an armature 3, a shaft bracket 4, a coil 5, an iron core 6 and the like, the yoke 1 is provided with a self-positioning groove, the magnetic steel 2 is connected with the yoke 1 by self-positioning spot welding, one side plane of the magnetic steel 2 is matched with a magnetic conduction convex structure (rotating shaft) of the armature 3, the shaft bracket 4 with a bowl-shaped structure is adopted to fix the iron core coil 5 and the armature 3, and the armature 3 is provided with a limit block 41 with radian on the shaft bracket 4, so that the magnetic holding magnetic circuit structure with the magnetic steel is formed.
The invention is characterized in that:
1. According to the scheme, the shaft bracket 4 is formed by stamping a material with certain elasticity, and the middle of the shaft bracket 4 is provided with the arc limiting block 41 which is turned outwards reversely and is used for fixing the armature, so that the armature assembly has the characteristic of high rotation flexibility; the shaft bracket 4 is symmetrically provided with a bowl-bottom type or bowl-type hole for fixing the iron core, so that the magnetic circuit part has high vibration and impact properties; lead positioning grooves are arranged on two sides of the shaft bracket 4 and are matched with the coil bracket grooves to play a role in foolproof of the anode and the cathode of the coil outgoing line.
2. The armature 3 of this scheme is integrated into one piece stamping forming, and armature 3 and magnet steel 2 faying surface are the convex surface of integrative punching press, and the protruding structure in both ends, and cooperation pedestal 4 plays support armature 3 pivoted effect for the magnetic circuit part has magnetism utilization efficiency height, simple structure, the reliable effect of contact.
3. According to the scheme, the contact surface of the magnetic steel 2 and the armature 3 is a plane, two symmetrical positioning bosses are arranged on the bottom surface, so that the magnetic steel is simple in structure and convenient to process, meanwhile, the positioning bosses are matched with the positioning grooves of the yoke iron 1, a self-positioning structure is formed by a magnetic steel assembly, the assembly precision is guaranteed, the sizes of all parts of the relay are small, the contact surface of the magnetic steel 2 and the armature 1 is designed in a plane, and the production, processing and assembly can be improved.
4. The round holes on two sides of the bottom of the yoke 1 are used for positioning the iron core 6, the square holes on two sides are matched with the positioning bosses of the magnetic steel 2 to play a role in positioning the magnetic steel, and the magnetic steel and the yoke are connected together by the protrusion bud on the bottom surface through spot welding, so that the yoke has the characteristic of high positioning precision.
The above description is illustrative of the embodiments using the present teachings, and is not intended to limit the scope of the present teachings to any particular modification or variation of the present teachings by those skilled in the art.
Claims (6)
1. A magnetic latching direct current relay is characterized in that: the magnetic steel is fixedly connected with the yoke, two sides of the magnetic steel are respectively provided with a coil, the middle of each coil is penetrated with the iron core, one end of the iron core is connected with the yoke, the other end of the iron core is connected with the shaft bracket, the shaft bracket is formed by stamping a material with certain elasticity, and a bowl-shaped hole for assembling the iron core is arranged on the shaft bracket and is used for improving the vibration resistance and impact resistance of the iron core;
A magnetic steel perforation is arranged in the middle of the shaft bracket, two arc-shaped limiting blocks are formed by reversely outwards turning the two ends of the perforation, and each arc-shaped limiting block is provided with a shaft hole to be matched with the rotating shaft of the armature;
The magnetic steel passes through the shaft bracket to be matched with the armature, the armature is integrally stamped and formed, one end of the magnetic steel is fixedly connected with the yoke, the other end face of the magnetic steel is a plane matched with the armature, the armature and the magnetic steel are matched with each other, the armature and the magnetic steel are provided with a convex rotating shaft, two ends of the rotating shaft are protruded and matched with the shaft bracket to play a role in supporting the armature to rotate, so that the armature has rotation flexibility, and meanwhile, the magnetic utilization efficiency and the contact reliability of a magnetic circuit part are ensured.
2. A magnetically held dc relay according to claim 1, wherein: the elastic material of the shaft bracket adopts beryllium copper or polytetrafluoroethylene.
3. A magnetically held dc relay according to claim 1, wherein: lead positioning grooves are arranged on two sides of the shaft bracket to play a role in foolproof of the anode and the cathode of the coil outgoing line.
4. A magnetically held dc relay according to claim 1, wherein: the rotating shaft of the armature iron protrudes towards two ends to form a special-shaped head, the special-shaped head is provided with an arc surface part for being matched with an upper shaft hole of an arc-shaped limiting block of the shaft bracket, the periphery of the section of the special-shaped head is composed of an arc section, two inclined sections on two sides and a flat section, and the flat section and the inclined sections on two sides form a stamping limiting structure.
5. A magnetically held dc relay according to claim 1, wherein: the yoke has self-positioning groove, and the magnet steel adopts self-positioning spot welding to connect with the yoke.
6. A magnetically held dc relay according to claim 5, wherein: the bottom surface of magnet steel is equipped with two symmetrical location bosss, is equipped with two matched constant head tanks on the yoke, is equipped with the pore respectively outside each constant head tank four corners, and yoke constant head tank intermediate department is equipped with the protrusion bud in order to be in the same place magnet steel and yoke spot welding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753520.2A CN110335789B (en) | 2019-08-15 | 2019-08-15 | Magnetic latching direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753520.2A CN110335789B (en) | 2019-08-15 | 2019-08-15 | Magnetic latching direct current relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110335789A CN110335789A (en) | 2019-10-15 |
| CN110335789B true CN110335789B (en) | 2024-09-17 |
Family
ID=68149680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910753520.2A Active CN110335789B (en) | 2019-08-15 | 2019-08-15 | Magnetic latching direct current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110335789B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113838709B (en) * | 2021-09-22 | 2023-10-27 | 沈阳铁路信号有限责任公司 | Bistable locomotive on-board electromagnetic relay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012155877A (en) * | 2011-01-24 | 2012-08-16 | Panasonic Corp | Contact arrangement |
| CN102709123A (en) * | 2012-07-04 | 2012-10-03 | 中国振华集团群英无线电器材厂 | Micro sealing double-set conversion magnetic latching relay |
| CN210040082U (en) * | 2019-08-15 | 2020-02-07 | 厦门宏发密封继电器有限公司 | Magnetic latching direct current relay |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3428654A1 (en) * | 1984-08-03 | 1986-02-13 | TRIPUS-Kunststoffteile GmbH, 8870 Günzburg | Shock protection for a switching contactor |
| DE60025552T2 (en) * | 1999-04-23 | 2006-09-14 | Matsushita Electric Works, Ltd., Kadoma | Coaxial relay |
| JP4428265B2 (en) * | 2005-03-15 | 2010-03-10 | 株式会社デンソー | Electromagnetic switch |
| US7486164B2 (en) * | 2005-10-06 | 2009-02-03 | Eaton Corporation | Shock-resistant under-voltage release |
| CN102254750A (en) * | 2011-06-21 | 2011-11-23 | 中国振华集团群英无线电器材厂 | Micro sealed magnetic latching RF (radio frequency) relay |
| CN202996718U (en) * | 2012-12-05 | 2013-06-12 | 上海朗骏机电科技发展有限公司 | Anti-seismic electromagnetic-type light-operated device |
| CN103578867A (en) * | 2013-11-14 | 2014-02-12 | 贵州振华群英电器有限公司 | Structure for improving vibration performance of contactor |
| CN207038444U (en) * | 2017-08-08 | 2018-02-23 | 厦门普利得汽车电子有限公司 | Mute relay |
| CN208538760U (en) * | 2018-08-14 | 2019-02-22 | 苏州奥佩克汽车部件有限公司 | Shockproof type relay |
-
2019
- 2019-08-15 CN CN201910753520.2A patent/CN110335789B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012155877A (en) * | 2011-01-24 | 2012-08-16 | Panasonic Corp | Contact arrangement |
| CN102709123A (en) * | 2012-07-04 | 2012-10-03 | 中国振华集团群英无线电器材厂 | Micro sealing double-set conversion magnetic latching relay |
| CN210040082U (en) * | 2019-08-15 | 2020-02-07 | 厦门宏发密封继电器有限公司 | Magnetic latching direct current relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110335789A (en) | 2019-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11227736B2 (en) | Electromagnetic device and electromagnetic relay equipped with electromagnetic device | |
| US11329523B2 (en) | Permanent magnet brush micromotor and assembly method thereof | |
| CN110335789B (en) | Magnetic latching direct current relay | |
| CN215498695U (en) | Linear vibration motor | |
| JP2013030310A (en) | Contact device and electromagnetic relay using the same | |
| WO2017073306A1 (en) | Connector | |
| CN210040082U (en) | Magnetic latching direct current relay | |
| WO2019065692A1 (en) | Contact device and electromagnetic relay equipped with said contact device | |
| WO2019087927A1 (en) | Electromagnetic relay and electromagnetic device | |
| CN109859991B (en) | Relay with a movable contact | |
| CN211231577U (en) | Sealing assembly | |
| CN219979462U (en) | Double-pole single-throw magnetic latching electromagnetic relay | |
| CN209374355U (en) | It is capable of the DC relay of arc extinguishing and resistance to shorting electric current | |
| US20240282540A1 (en) | Contact device and electromagnetic relay | |
| CN211529876U (en) | Balance force type sealing relay | |
| CN208619522U (en) | Permanent magnetism magnetic suspension bearing | |
| JP3992015B2 (en) | Electromagnetic relay | |
| JP2017228518A (en) | Electromagnetic device and electromagnetic relay equipped with electromagnetic device | |
| CN219833951U (en) | Linear motor's active cell reset system and linear motor | |
| CN210040081U (en) | Magnetic latching relay armature magnetic steel matching structure | |
| CN113014010A (en) | Rotor subassembly, motor and domestic appliance | |
| CN112563079B (en) | Movable contact bridge retaining structure of short-circuit resistance lifting switch device | |
| CN220382016U (en) | TO-5 miniature relay with split-leaf structure | |
| CN221596301U (en) | Extraction structure and magnetic latching relay | |
| CN219321257U (en) | AC/DC relay structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |