CN104008924A - Electromagnetic drive switching appliance with detachable and replaceable structure - Google Patents
Electromagnetic drive switching appliance with detachable and replaceable structure Download PDFInfo
- Publication number
- CN104008924A CN104008924A CN201410257305.0A CN201410257305A CN104008924A CN 104008924 A CN104008924 A CN 104008924A CN 201410257305 A CN201410257305 A CN 201410257305A CN 104008924 A CN104008924 A CN 104008924A
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- dynamic circuit
- electromagnetic
- contact
- armature
- fixed
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- 229920003023 plastic Polymers 0.000 claims abstract description 49
- 239000004033 plastic Substances 0.000 claims abstract description 49
- 235000014676 Phragmites communis Nutrition 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 210000001138 tear Anatomy 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
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- Electromagnets (AREA)
- Breakers (AREA)
Abstract
The invention relates to an electromagnetic drive switching appliance with the detachable and replaceable structure. A traditional electromagnetic drive switching appliance has the defect that when a certain system assembly is damaged, the whole appliance comprising the undamaged components needs to be replaced, and waste is caused. The electromagnetic drive switching appliance with the detachable and replaceable structure comprises a conducive and electric contact assembly, a mechanical transmission and electric contact assembly and an electromagnetic mechanical driving assembly. The conducive and electric contact assembly and the electromagnetic mechanical driving assembly are installed on a plastic base. The mechanical transmission and electric contact assembly is fixed to an armature (2), and the side face of the armature is inserted into a plastic plug connector (3) with a groove. The electromagnetic drive switching appliance is used for an electromagnetic drive switch with the detachable and replaceable structure.
Description
technical field:
the present invention relates to a kind of structure and can decompose the Electromagnetic Drive device for switching of replacement.
background technology:
electromagnetic switch electrical equipment is a kind of contactor control device.Conventionally be applied in the control circuit of automation, it is actually a kind of " automatic switch " that goes to control large electric current running with little electric current.In circuit, play the effects such as automatic adjusting, safeguard protection, change-over circuit.Generally by iron core, coil, armature, contact reed etc., formed, as long as add certain voltage at coil two ends, in coil, will flow through certain electric current, thereby generation galvanomagnetic effect, armature will overcome the pulling force of return spring under the effect of electromagnetic attracting force to be inhaled to iron core, thereby with moving contact and fixed contact (normally opened contact) adhesive of moving armature.After coil blackout, the suction of electromagnetism also disappears thereupon, and armature will return to original position at the reaction force of spring, makes moving contact and original fixed contact (normally-closed contact) release.Adhesive like this, release, thus reached the conducting in circuit, the object of cut-out, and prior art is generally by these three design of system integrations.Its advantage is that integrated level is high, is convenient to processing.Shortcoming is that certain system component damage needs whole electrical equipment to comprise and do not have the parts integral body of damaging to change, relatively waste.The mechanical system life-span of well-known electromagnetic switch electrical equipment far surpasses electrical endurance and even reaches one more than the order of magnitude.
summary of the invention:
the object of this invention is to provide a kind of structure and can decompose the Electromagnetic Drive device for switching of replacement.
above-mentioned object realizes by following technical scheme:
a kind of structure can be decomposed the Electromagnetic Drive device for switching of replacement, its composition comprises: conduct electricity and electrically contact assembly, machine driving and electrically contact assembly, electromagnetic and mechanical driven unit, described conduction with electrically contact assembly and electromagnetic and mechanical driven unit is arranged on plastic feet, described machine driving with electrically contact assembly and be fixed on armature, described armature side is inserted in the plastics plug connector with groove.
described structure can be decomposed the Electromagnetic Drive device for switching of replacement, described machine driving with electrically contact assembly and comprise: dynamic circuit breaker moving contact, dynamic circuit connector moving contact, described dynamic circuit breaker moving contact is connected with reed with dynamic circuit connector moving contact, described reed is fixed on plastics plug connector, described reed is connected with one end of wire, the other end weld metal cylindrical conductive contact pin of described wire.
described structure can be decomposed the Electromagnetic Drive device for switching of replacement, described conduction with electrically contact assembly and comprise: dynamic circuit breaker fixed contact, dynamic circuit connector fixed contact, described dynamic circuit breaker fixed contact is connected with dynamic circuit breaker conductive insert, described dynamic circuit connector fixed contact is connected with dynamic circuit connector conductive insert, described moving contact conductive insert one end is with circular socket holes, in described circular socket holes, insert cylindrical conductive contact pin, described dynamic circuit breaker conductive insert, dynamic circuit connector conductive insert, moving contact conductive insert are fixed on plastic feet, described upper plastic feet lower end design dovetail proterties groove.
described structure can be decomposed the Electromagnetic Drive device for switching of replacement, described electromagnetic and mechanical driven unit comprises: armature, solenoid, described armature is connected with yoke, described armature is connected with reaction spring with yoke, on described yoke, be fixed with iron core, described solenoid two ends are connected respectively on winding wiring inserted sheet A and winding wiring inserted sheet B by wire, described solenoid is wrapped on plastic coil skeleton, described plastic coil skeleton is fixed on yoke, described winding wiring inserted sheet A, winding wiring inserted sheet B is fixed on lower plastic feet, described lower plastic feet upper end design dovetail proterties tongue.
described structure can be decomposed Electromagnetic Drive device for switching and the method for work of replacement, and the method comprises the steps:
(1) installation process: upper plastic feet and lower plastic feet are nested up by conduction and electrically contact assembly and electromagnetic and mechanical driven unit structure is connected and fixed by oat tail groove structure; Armature side is inserted in the groove of plastics plug connector, makes machine driving and electrically contact assembly to be fixed on armature; Then the conductive pin that connects wire one end is inserted in the circular conductive jack of moving contact conductive insert, makes reed and moving contact conductive insert form reliable electric and be connected.
(2) course of work: during energising, solenoid produces magnetic flux, magnetic flux flow is through iron core, yoke, armature, between iron core and armature residual gap, produce electromagnetic attraction, the counter-force that suction moving armature overcomes spring moves downward, the motion of band movable contact spring disconnects dynamic circuit breaker moving contact and dynamic circuit breaker fixed contact, makes dynamic circuit connector moving contact and dynamic circuit connector fixed contact closed; Work as coil blackout, the electromagnetic attraction of iron core and armature residual gap disappears, and at effect lower armature, the reed return movement of reaction spring, dynamic circuit connector moving contact and dynamic circuit connector fixed contact is disconnected, and makes dynamic circuit breaker moving contact and dynamic circuit breaker fixed contact closed, is switched on or switched off circuit.
(3) disassemble replacement process: in electrical equipment use procedure, element constantly weares and teares, aging, especially in working in each contact cut-off/close process, bear burning arc erosion, most inefficacies are created in contact, and now the part such as other electromagnetic and mechanical is still intact, therefore when electrically contact component failures, failed component and intact assembly can be disassembled separated, then with new intact electrically contact component replace and the new electromagnetic switch electrical equipment continuation use of original electromagnetic and mechanical system mix proportion; While disassembling, the conductive pin that connects wire one end is extracted from the circular conductive jack of moving contact conductive insert, then upper plastic feet and lower plastic feet are scratched along dovetail groove longitudinal direction, conduct electricity with electrically contact assembly can be separated with electromagnetic and mechanical driven unit; Armature is extracted from the groove of plastics plug connector, made machine driving and to electrically contact assembly separated with electromagnetic and mechanical driven unit; Finally with new conduction with electrically contact assembly and new machine driving and electrically contact assembly and reinstall to original electromagnetic and mechanical driven unit and be installed together and form intact electromagnetic switch electric elements and continue to use.
beneficial effect of the present invention:
the present invention takes full advantage of the principle of each several part assembly life-span gap great disparity in electromagnetic switch electrical equipment, contact assembly is separated from integral body, once certain thrashing contact failure especially in using, available new component system is replaced to damage inefficacy part and do not damage system in combination and is formed new electromagnetic switch, whole electric parts is fully used, avoided partial failure just to damage whole electrical equipment has been changed to the problem of throwing away, according to the ratio of the mechanical endurance of device for switching and electric life, the assembly that electrically contacts that uses an electromagnetic and mechanical assembly to replace with 5-10 in life cycle of electrical equipment of the present invention combines, be equivalent to save 4-9 electromagnetic and mechanical assembly.Save each metalloid and plastics resource, greatly reduce user's use cost.
accompanying drawing explanation:
accompanying drawing 1 is the structural representation of invention.
accompanying drawing 2 is structural representations of plastic plug.
embodiment:
embodiment 1:
a kind of structure can be decomposed the Electromagnetic Drive device for switching of replacement, its composition comprises: conduct electricity and electrically contact assembly, machine driving and electrically contact assembly, electromagnetic and mechanical driven unit, described conduction with electrically contact assembly and electromagnetic and mechanical driven unit is arranged on plastic feet, described machine driving with electrically contact assembly and be fixed on armature 2, described armature side is inserted in the plastics plug connector 3 with groove.
embodiment 2:
the Electromagnetic Drive device for switching that can decompose replacement according to the structure described in embodiment 1, described machine driving with electrically contact assembly and comprise: dynamic circuit breaker moving contact 6, dynamic circuit connector moving contact 5, described dynamic circuit breaker moving contact is connected with reed 4 with dynamic circuit connector moving contact, described reed is fixed on plastics plug connector, described reed is connected with one end of wire 12, the other end weld metal cylindrical conductive contact pin of described wire.
embodiment 3:
the Electromagnetic Drive device for switching that can decompose replacement according to the structure described in embodiment 1 or 2, described conduction with electrically contact assembly and comprise: dynamic circuit breaker fixed contact 7, dynamic circuit connector fixed contact 8, described dynamic circuit breaker fixed contact is connected with dynamic circuit breaker conductive insert 9, described dynamic circuit connector fixed contact is connected with dynamic circuit connector conductive insert 10, described moving contact conductive insert one end is with circular socket holes, in described circular socket holes, insert cylindrical conductive contact pin, described dynamic circuit breaker conductive insert, dynamic circuit connector conductive insert, moving contact conductive insert is fixed on plastic feet 11, described upper plastic feet lower end design dovetail proterties groove.
embodiment 4:
according to the structure described in embodiment 1 or 2 or 3, can decompose the Electromagnetic Drive device for switching of replacement, described electromagnetic and mechanical driven unit comprises: armature, solenoid 17, described armature is connected with yoke 19, armature is connected with reaction spring 1 with yoke, on described yoke, be fixed with iron core 18, described solenoid two ends are connected respectively on winding wiring inserted sheet A13 and winding wiring inserted sheet B14 by wire 16, described solenoid is wrapped on plastic coil skeleton, described plastic coil skeleton is fixed on yoke, described winding wiring inserted sheet A, winding wiring inserted sheet B is fixed on lower plastic feet 15, described lower plastic feet upper end design dovetail proterties tongue.
embodiment 5:
electromagnetic Drive device for switching and the method for work that according to the structure described in embodiment 1 or 2 or 3 or 4, can decompose replacement, the method comprises the steps:
(1) installation process: upper plastic feet and lower plastic feet are nested up by conduction and electrically contact assembly and electromagnetic and mechanical driven unit structure is connected and fixed by oat tail groove structure; Armature side is inserted in the groove of plastics plug connector, makes machine driving and electrically contact assembly to be fixed on armature; Then the conductive pin that connects wire one end is inserted in the circular conductive jack of moving contact conductive insert, makes reed and moving contact conductive insert form reliable electric and be connected.
(2) course of work: during energising, solenoid produces magnetic flux, magnetic flux flow is through iron core, yoke, armature, between iron core and armature residual gap, produce electromagnetic attraction, the counter-force that suction moving armature overcomes spring moves downward, the motion of band movable contact spring disconnects dynamic circuit breaker moving contact and dynamic circuit breaker fixed contact, makes dynamic circuit connector moving contact and dynamic circuit connector fixed contact closed; Work as coil blackout, the electromagnetic attraction of iron core and armature residual gap disappears, and at effect lower armature, the reed return movement of reaction spring, dynamic circuit connector moving contact and dynamic circuit connector fixed contact is disconnected, and makes dynamic circuit breaker moving contact and dynamic circuit breaker fixed contact closed, is switched on or switched off circuit.
(3) disassemble replacement process: in electrical equipment use procedure, element constantly weares and teares, aging, especially in working in each contact cut-off/close process, bear burning arc erosion, most inefficacies are created in contact, and now the part such as other electromagnetic and mechanical is still intact, therefore when electrically contact component failures, failed component and intact assembly can be disassembled separated, then with new intact electrically contact component replace and the new electromagnetic switch electrical equipment continuation use of original electromagnetic and mechanical system mix proportion; While disassembling, the conductive pin that connects wire one end is extracted from the circular conductive jack of moving contact conductive insert, then upper plastic feet and lower plastic feet are scratched along dovetail groove longitudinal direction, conduct electricity with electrically contact assembly can be separated with electromagnetic and mechanical driven unit; Armature is extracted from the groove of plastics plug connector, made machine driving and to electrically contact assembly separated with electromagnetic and mechanical driven unit; Finally with new conduction with electrically contact assembly and new machine driving and electrically contact assembly and reinstall to original electromagnetic and mechanical driven unit and be installed together and form intact electromagnetic switch electric elements and continue to use.
Claims (5)
1. a structure can be decomposed the Electromagnetic Drive device for switching of replacement, its composition comprises: conduct electricity and electrically contact assembly, machine driving and electrically contact assembly, electromagnetic and mechanical driven unit, it is characterized in that: described conduction with electrically contact assembly and electromagnetic and mechanical driven unit is arranged on plastic feet, described machine driving with electrically contact assembly and be fixed on armature, described armature side is inserted in the plastics plug connector with groove.
2. structure according to claim 1 can be decomposed the Electromagnetic Drive device for switching of replacement, it is characterized in that: described machine driving with electrically contact assembly and comprise: dynamic circuit breaker moving contact, dynamic circuit connector moving contact, described dynamic circuit breaker moving contact is connected with reed with dynamic circuit connector moving contact, described reed is fixed on plastics plug connector, described reed is connected with one end of wire, the other end weld metal cylindrical conductive contact pin of described wire.
3. structure according to claim 1 and 2 can be decomposed the Electromagnetic Drive device for switching of replacement, it is characterized in that: described conduction with electrically contact assembly and comprise: dynamic circuit breaker fixed contact, dynamic circuit connector fixed contact, described dynamic circuit breaker fixed contact is connected with dynamic circuit breaker conductive insert, described dynamic circuit connector fixed contact is connected with dynamic circuit connector conductive insert, described moving contact conductive insert one end is with circular socket holes, in described circular socket holes, insert cylindrical conductive contact pin, described dynamic circuit breaker conductive insert, dynamic circuit connector conductive insert, moving contact conductive insert is fixed on plastic feet, described upper plastic feet lower end design dovetail proterties groove.
4. according to the structure described in claim 1 or 2 or 3, can decompose the Electromagnetic Drive device for switching of replacement, it is characterized in that: described electromagnetic and mechanical driven unit comprises: armature, solenoid, described armature is connected with yoke, described armature is connected with reaction spring with yoke, on described yoke, be fixed with iron core, described solenoid two ends are connected respectively on winding wiring inserted sheet A and winding wiring inserted sheet B by wire, described solenoid is wrapped on plastic coil skeleton, described plastic coil skeleton is fixed on yoke, described winding wiring inserted sheet A, winding wiring inserted sheet B is fixed on lower plastic feet, described lower plastic feet upper end design dovetail proterties tongue.
5. according to the structure described in claim 1 or 2 or 3 or 4, can decompose Electromagnetic Drive device for switching and the method for work of replacement, it is characterized in that: the method comprises the steps:
(1) installation process: upper plastic feet and lower plastic feet are nested up by conduction and electrically contact assembly and electromagnetic and mechanical driven unit structure is connected and fixed by oat tail groove structure; Armature side is inserted in the groove of plastics plug connector, makes machine driving and electrically contact assembly to be fixed on armature; Then the conductive pin that connects wire one end is inserted in the circular conductive jack of moving contact conductive insert, makes reed and moving contact conductive insert form reliable electric and be connected; (2) course of work: during energising, solenoid produces magnetic flux, magnetic flux flow is through iron core, yoke, armature, between iron core and armature residual gap, produce electromagnetic attraction, the counter-force that suction moving armature overcomes spring moves downward, the motion of band movable contact spring disconnects dynamic circuit breaker moving contact and dynamic circuit breaker fixed contact, makes dynamic circuit connector moving contact and dynamic circuit connector fixed contact closed; Work as coil blackout, the electromagnetic attraction of iron core and armature residual gap disappears, and at effect lower armature, the reed return movement of reaction spring, dynamic circuit connector moving contact and dynamic circuit connector fixed contact is disconnected, and makes dynamic circuit breaker moving contact and dynamic circuit breaker fixed contact closed, is switched on or switched off circuit; (3) disassemble replacement process: in electrical equipment use procedure, element constantly weares and teares, aging, especially in working in each contact cut-off/close process, bear burning arc erosion, most inefficacies are created in contact, and now the part such as other electromagnetic and mechanical is still intact, therefore when electrically contact component failures, failed component and intact assembly can be disassembled separated, then with new intact electrically contact component replace and the new electromagnetic switch electrical equipment continuation use of original electromagnetic and mechanical system mix proportion; While disassembling, the conductive pin that connects wire one end is extracted from the circular conductive jack of moving contact conductive insert, then upper plastic feet and lower plastic feet are scratched along dovetail groove longitudinal direction, conduct electricity with electrically contact assembly can be separated with electromagnetic and mechanical driven unit; Armature is extracted from the groove of plastics plug connector, made machine driving and to electrically contact assembly separated with electromagnetic and mechanical driven unit; Finally with new conduction with electrically contact assembly and new machine driving and electrically contact assembly and reinstall to original electromagnetic and mechanical driven unit and be installed together and form intact electromagnetic switch electric elements and continue to use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257305.0A CN104008924B (en) | 2014-06-11 | 2014-06-11 | The Electromagnetic Drive device for switching that structure decomposable asymmetric choice net is replaced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257305.0A CN104008924B (en) | 2014-06-11 | 2014-06-11 | The Electromagnetic Drive device for switching that structure decomposable asymmetric choice net is replaced |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104008924A true CN104008924A (en) | 2014-08-27 |
| CN104008924B CN104008924B (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410257305.0A Expired - Fee Related CN104008924B (en) | 2014-06-11 | 2014-06-11 | The Electromagnetic Drive device for switching that structure decomposable asymmetric choice net is replaced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104008924B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411600A (en) * | 2020-04-01 | 2020-07-14 | 廊坊秉桓科技有限公司 | Public parking area gate opening elevating gear |
| CN111600320A (en) * | 2020-05-08 | 2020-08-28 | 中汇瑞德电子（芜湖）有限公司 | Three-phase commutation relay composite structure with self-locking function |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11213839A (en) * | 1998-01-27 | 1999-08-06 | Matsushita Electric Works Ltd | Electromagnetic relay |
| CN2391300Y (en) * | 1999-08-17 | 2000-08-09 | 厦门宏发电声有限公司 | Ultra small high withstand voltage electromagnetic relay |
| CN2508384Y (en) * | 2001-11-15 | 2002-08-28 | 桂林机床电器有限公司 | Electromagnetic relay or contactor using reed contact |
| CN201562636U (en) * | 2009-11-27 | 2010-08-25 | 宁波天波纬业电器有限公司 | Vehicle normal open relay |
| CN202948888U (en) * | 2012-12-13 | 2013-05-22 | 无锡市飞沪科技有限公司 | Armature and movable contact spring assembly for a relay |
| CN202996722U (en) * | 2012-12-10 | 2013-06-12 | 晶辉科技（深圳）有限公司 | Toaster switch |
| CN103187208A (en) * | 2011-12-30 | 2013-07-03 | 江苏正启电气有限公司 | Novel relay |
| CN103187207A (en) * | 2011-12-30 | 2013-07-03 | 江苏正启电气有限公司 | Relay with four contacts |
| CN203179808U (en) * | 2013-03-30 | 2013-09-04 | 江苏正启电气有限公司 | Six-contact relay |
| CN204011294U (en) * | 2014-06-11 | 2014-12-10 | 东北林业大学 | Structure can be decomposed the Electromagnetic Drive device for switching of replacement |
-
2014
- 2014-06-11 CN CN201410257305.0A patent/CN104008924B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11213839A (en) * | 1998-01-27 | 1999-08-06 | Matsushita Electric Works Ltd | Electromagnetic relay |
| CN2391300Y (en) * | 1999-08-17 | 2000-08-09 | 厦门宏发电声有限公司 | Ultra small high withstand voltage electromagnetic relay |
| CN2508384Y (en) * | 2001-11-15 | 2002-08-28 | 桂林机床电器有限公司 | Electromagnetic relay or contactor using reed contact |
| CN201562636U (en) * | 2009-11-27 | 2010-08-25 | 宁波天波纬业电器有限公司 | Vehicle normal open relay |
| CN103187208A (en) * | 2011-12-30 | 2013-07-03 | 江苏正启电气有限公司 | Novel relay |
| CN103187207A (en) * | 2011-12-30 | 2013-07-03 | 江苏正启电气有限公司 | Relay with four contacts |
| CN202996722U (en) * | 2012-12-10 | 2013-06-12 | 晶辉科技（深圳）有限公司 | Toaster switch |
| CN202948888U (en) * | 2012-12-13 | 2013-05-22 | 无锡市飞沪科技有限公司 | Armature and movable contact spring assembly for a relay |
| CN203179808U (en) * | 2013-03-30 | 2013-09-04 | 江苏正启电气有限公司 | Six-contact relay |
| CN204011294U (en) * | 2014-06-11 | 2014-12-10 | 东北林业大学 | Structure can be decomposed the Electromagnetic Drive device for switching of replacement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411600A (en) * | 2020-04-01 | 2020-07-14 | 廊坊秉桓科技有限公司 | Public parking area gate opening elevating gear |
| CN111600320A (en) * | 2020-05-08 | 2020-08-28 | 中汇瑞德电子（芜湖）有限公司 | Three-phase commutation relay composite structure with self-locking function |
| CN111600320B (en) * | 2020-05-08 | 2022-02-01 | 中汇瑞德电子（芜湖）有限公司 | Three-phase commutation relay composite structure with self-locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104008924B (en) | 2016-07-13 |
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Granted publication date: 20160713 |