CN103035447A - Double-coil magnetic latching relay - Google Patents
Double-coil magnetic latching relay Download PDFInfo
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- CN103035447A CN103035447A CN201210429539XA CN201210429539A CN103035447A CN 103035447 A CN103035447 A CN 103035447A CN 201210429539X A CN201210429539X A CN 201210429539XA CN 201210429539 A CN201210429539 A CN 201210429539A CN 103035447 A CN103035447 A CN 103035447A
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- latching relay
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Abstract
A double-coil magnetic latching relay comprises a cover shell (1), an electromagnetic system (2) and a contact system (3) are arranged in the cover shell (1), the electromagnetic system (2) is fixed above the contact system (3) through a support frame (14), the electromagnetic system (2) is in a rotary magnetic latching structure, and the contact system (3) is in a flexible contact mode. Specifically, a voltage-type sucking coil (8) is sleeved on a current-type release coil (9), product size is reduced, the current-type release coil (9) is a copper solenoid coil, the electric-conduction sectional area is 56.25 mm<2>, and the problem that the release coil is too hot due to the fact that the release coil passes through 220-ampere (A) direct current (d.c.) in a long term is solved. The double-coil magnetic latching relay is especially suitable for being used in power supply part countercurrent flow protection in the aviation field, and has the advantages of being small in size, light in weight, compact in structure, high in sensitivity and the like.
Description
Technical field
The invention belongs to relay system technology for making field, be specifically related to a kind of twin coil magnetic latching relay,
Background technology
Two coil sizes of traditional twin coil magnetic latching relay are identical, and the pumping signal character of input also is identical (be all voltage-type or be all current mode), use at present very general.But it is voltage-type that existing twin coil magnetic latching relay can not satisfy pull-in winding, and release coil is the Special use requirement of current mode.
Summary of the invention
The technical problem that the present invention solves: design a kind of twin coil magnetic latching relay; pull-in winding is voltage-type; release coil is current mode; output contact is one group of dynamic circuit connector; be particularly suitable for aviation field power unit Reverse Current Protection, have the characteristics such as volume is little, lightweight, compact conformation, sensitivity height.
Technical solution of the present invention:
The advantage that the present invention compared with prior art has and effect: a kind of twin coil magnetic latching relay, comprise case, be provided with electromagnetic system and contact system in the described case, described contact system by base plate, be fixed on output pin I, output pin II on the base plate, input pin I, output pin II consist of, and the inner of output pin I is fixedly connected with the static contact spring piece soldering, and the output pin II is inner to be fixedly connected with the movable contact spring soldering, and makes static contact spring piece and movable contact spring be in normally open; Described electromagnetic system is fixed on the top of base plate by support, described electromagnetic system is by iron core, two yokes, potential winding, current coil, two pole shoes, permanent-magnet steel, push rod and armature form, two yoke symmetries are fixed on the two ends, the left and right sides of support, level unshakable in one's determination is installed between two yokes, current coil is sleeved on the iron core, potential winding is sleeved on the current coil, the two ends of current coil are connected with respectively two stems, and two stems stretch out case, the two ends of potential winding respectively with the input pin I, the output pin II connects, pedestal is fixed between two yokes, two pole shoe symmetries are fixed between support and the pedestal, and be positioned at the place ahead of potential winding and current coil, permanent-magnet steel is fixed between two pole shoes and is positioned at the place ahead of two pole shoes, armature is installed between pedestal and the support by axle and is positioned at the rear of two pole shoes, and an end of armature is fixed with push rod, and the cantilever end of push rod is positioned at the rear of movable contact spring.
Described current coil is made of solenoid coil and bobbin pipe, and the bobbin pipe box is contained on the iron core, and solenoid coil is sleeved on the bobbin pipe, and two stems respectively soldering are connected to the two ends of solenoid coil.
Described output pin I, output pin II, input pin I and output pin II and base plate are sintered together by glass insulator.
Described two stems upper end is shaped with external screw thread, the lower end structure that is square, and the lower end square structure of two stems lays respectively in two square holes that the case upper surface is shaped with, and adopt with case that high-temp epoxy is gluing to be connected together.
The advantage that the present invention compared with prior art has and effect:
1, release coil is that current coil adopts copper solenoid form, and conductive cross-sectional area reaches 56.25mm
2, solved release coil for a long time by the too high problem of 220Ad.c. current heating.
2, adopt rotary magnetic to keep structure, pull-in winding is sleeved on the release coil, reduced small product size, and adopt the high permanent-magnet steel of magnetic energy product, provide enough confining forces to armature, satisfied the vibration resistance problem of relay.
3, contact system adopts the flexible contact form, and adopts the good reed material of heat-conductivity conducting, and has set rational contact gap, contact force, efficiently solves the requirement in contact load and life-span.
4, stem and case contact site adopt square opening contact, and adopt that high-temp epoxy is gluing to be connect, and the one, prevent from becoming flexible when stem from installing; The 2nd, satisfied the requirement of relay dielectric withstanding voltage and insulation resistance; The 3rd, satisfied the relay sealing requirements.
5, base plate and input, output pin are sintered together by glass insulator, efficiently solve the relay sealing problem.
6, the present invention is particularly suitable for aviation field power unit Reverse Current Protection, has the characteristics such as volume is little, lightweight, compact conformation, sensitivity height.
Description of drawings
Fig. 1 is outline drawing of the present invention,
Fig. 2 is structural representation of the present invention,
Fig. 3 is the structural representation of electromagnetic system of the present invention,
Fig. 4 is the structural representation of armature component of the present invention,
Fig. 5 is the structural representation of contact system of the present invention.
Embodiment:
1-5 describes a kind of embodiment of the present invention by reference to the accompanying drawings.
A kind of twin coil magnetic latching relay, comprise case 1, be provided with electromagnetic system 2 and contact system 3 in the described case 1, described contact system 3 by base plate 25, be fixed on output pin I 21, output pin II 22 on the base plate 25, input pin I 23, output pin II 24 consist of, and the inner of output pin I 21 is fixedly connected with static contact spring piece 20 solderings, and output pin II 22 the inners are fixedly connected with movable contact spring 19 solderings, and make static contact spring piece 20 and movable contact spring 19 be in normally off; Described electromagnetic system 2 is fixed on the top of base plate 25 by support 14, described electromagnetic system 2 is by unshakable in one's determination 4, two yokes 5, potential winding 8, current coil 9, two pole shoes 11, permanent-magnet steel 12, push rod 16 and armature 17 form, two yoke 5 symmetries are fixed on the two ends, the left and right sides of support 14,4 levels unshakable in one's determination are installed between two yokes 5, current coil 9 is sleeved on unshakable in one's determination 4, potential winding 8 is sleeved on the current coil 9, the two ends of current coil 9 are connected with respectively two stems 7, and two stems 7 stretch out case 1, the two ends of potential winding 8 respectively with input pin I 23, output pin II 24 connects, pedestal 10 is fixed between two yokes 5, two pole shoe 11 symmetries are fixed between support 14 and the pedestal 10, and be positioned at the place ahead of potential winding 8 and current coil 9, permanent-magnet steel 12 is fixed between two pole shoes 11 and is positioned at the place ahead of two pole shoes 11, armature 17 is installed between pedestal 10 and the support 14 by axle 13 and is positioned at the rear of two pole shoes 11, one end of armature 17 is fixed with push rod 16, and the cantilever end 18 of push rod 16 is positioned at the rear of movable contact spring 19.
Described current coil 9 is made of copper solenoid coil 6 and bobbin pipe 15, and bobbin pipe 15 is sleeved on unshakable in one's determination 4, and solenoid coil 6 is sleeved on the bobbin pipe 15, and two stems 7 respectively soldering are connected to the two ends of solenoid coil 6.Described output pin I 21, output pin II 22, input pin I 23 and output pin II 24 and base plate 25 are sintered together by glass insulator.Described two stem 7 upper ends are shaped with external screw thread, the lower end structure that is square, and the lower end square structure of two stems 7 lays respectively in two square holes that case 1 upper surface is shaped with, and adopt with case 1 that high-temp epoxy is gluing to be connected together.
Pull-in winding of the present invention is voltage-type, operation voltage requirement≤0.3Vd.c.; Release coil is current mode, and rated current: 220Ad.c., operating current: 9Ad.c.～28Ad.c., output contact are one group of dynamic circuit connector, changeable 2A, 28Vd.c. resistive load.Need the long-term 220Ad.c. electric current that passes through for the current mode release coil, voltage-type pull-in winding operation voltage requirement≤0.3Vd.c., electromagnetic system adopt rotary magnetic to keep structure, and be highly sensitive.In order to reduce volume, pull-in winding is sleeved on the release coil, release coil is that current coil adopts copper solenoid form, conductive cross-sectional area reaches 56.25mm
2, to satisfy the requirement of rated current 220Ad.c., adopt the high permanent-magnet steel of magnetic energy product, provide enough confining forces to armature, to satisfy the vibration resistance problem of relay.Contact system adopts the flexible contact form, employing conduction, the reed material that thermal conductivity is good, and set rational contact gap, contact force, efficiently solve the requirement in contact load and life-span.Adopt typical glass insulator sintering process to efficiently solve the relay sealing problem.
Operation principle: when applying the excitation direct voltage by polar requirement for input pin I 23, output pin II 24, potential winding 8 produces magnetic field, overcome magnet steel 12 suction, armature 17 actions drive push rod 16 and rotate, the cantilever end 18 of push rod 16 leaves movable contact spring 19, movable contact spring 19 contacts with static contact spring piece 20 under flexible effect, and relay output becomes closure state by off-state; When applying the excitation direct current by polar requirement for stem 7, solenoid coil 9 produces magnetic field, overcome magnet steel 12 suction, armature 17 actions drive push rod 16 rotations and get back to initial condition, the cantilever end 18 of push rod 16 promotes movable contact spring 19, movable contact spring 19 is broken away from contact with static contact spring piece 20, relay output becomes off-state by closure state.
Above-described embodiment is preferred embodiment of the present invention, is not to limit the scope of the present invention, therefore all equivalent variations of being done with the described content of claim of the present invention all should be included within the claim scope of the present invention.
Claims (4)
1. twin coil magnetic latching relay, comprise case (1), be provided with electromagnetic system (2) and contact system (3) in the described case (1), it is characterized in that: described contact system (3) is by base plate (25), be fixed on the output pin I (21) on the base plate (25), output pin II (22), input pin I (23), output pin II (24) consists of, and the inner of output pin I (21) is fixedly connected with static contact spring piece (20) soldering, output pin II (22) is inner to be fixedly connected with movable contact spring (19) soldering, and makes static contact spring piece (20) and movable contact spring (19) be in normally open; Described electromagnetic system (2) is fixed on the top of base plate (25) by support (14), described electromagnetic system (2) is by (4) unshakable in one's determination, two yokes (5), potential winding (8), current coil (9), two pole shoes (11), permanent-magnet steel (12), push rod (16) and armature (17) form, two yokes (5) symmetry is fixed on the two ends, the left and right sides of support (14), (4) level unshakable in one's determination is installed between two yokes (5), current coil (9) is sleeved on the iron core (4), potential winding (8) is sleeved on the current coil (9), the two ends of current coil (9) are connected with respectively two stems (7), and two stems (7) stretch out case (1), the two ends of potential winding (8) respectively with input pin I (23), output pin II (24) connects, pedestal (10) is fixed between two yokes (5), two pole shoes (11) symmetry is fixed between support (14) and the pedestal (10), and be positioned at the place ahead of potential winding (8) and current coil (9), permanent-magnet steel (12) is fixed between two pole shoes (11) and is positioned at the place ahead of two pole shoes (11), armature (17) is installed between pedestal (10) and the support (14) by axle (13) and is positioned at the rear of two pole shoes (11), one end of armature (17) is fixed with push rod (16), and the cantilever end (18) of push rod (16) is positioned at the rear of movable contact spring (19).
2. a kind of twin coil magnetic latching relay according to claim 1, it is characterized in that: described current coil (9) is made of solenoid coil (6) and bobbin pipe (15), and bobbin pipe (15) is sleeved on the iron core (4), solenoid coil (6) is sleeved on the bobbin pipe (15), and two stems (7) respectively soldering are connected to the two ends of solenoid coil (6).
3. a kind of twin coil magnetic latching relay according to claim 1 and 2, it is characterized in that: described output pin I (21), output pin II (22), input pin I (23) and output pin II (24) are sintered together by glass insulator with base plate (25).
4. a kind of twin coil magnetic latching relay according to claim 3, it is characterized in that: described two stems (7) upper end is shaped with external screw thread, the lower end structure that is square, and the lower end square structure of two stems (7) lays respectively in two square holes that case (1) upper surface is shaped with, and adopts with case (1) that high-temp epoxy is gluing to be connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429539.XA CN103035447B (en) | 2012-10-19 | 2012-10-19 | Double-coil magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429539.XA CN103035447B (en) | 2012-10-19 | 2012-10-19 | Double-coil magnetic latching relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103035447A true CN103035447A (en) | 2013-04-10 |
| CN103035447B CN103035447B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210429539.XA Expired - Fee Related CN103035447B (en) | 2012-10-19 | 2012-10-19 | Double-coil magnetic latching relay |
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| CN (1) | CN103035447B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847619A (en) * | 2017-03-21 | 2017-06-13 | 哈尔滨工业大学 | A kind of through fin in crystal cover series electromagnetic relay |
| WO2018227996A1 (en) * | 2017-06-14 | 2018-12-20 | 广西睿奕科技发展有限公司 | Magnetic latching relay capable of simultaneously turning off null line and live line |
| CN111710564A (en) * | 2020-06-19 | 2020-09-25 | 哈尔滨工业大学 | Small-size sealed electromagnetic relay reed that metal bonding of bending filled tin |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08287807A (en) * | 1995-04-18 | 1996-11-01 | Nec Corp | Electromagnetic relay |
| JP2008041336A (en) * | 2006-08-03 | 2008-02-21 | Nec Tokin Corp | Electromagnetic relay |
| CN101807492A (en) * | 2010-03-23 | 2010-08-18 | 乐清市金川电子有限公司 | Large-current relay |
| CN201638760U (en) * | 2010-01-27 | 2010-11-17 | 宁波弗朗逊精密电子有限公司 | Relay |
| CN201868344U (en) * | 2010-11-25 | 2011-06-15 | 安徽省明光市华信电子有限公司 | Electromagnetic relay with coil being arranged above contact terminal |
| CN202996721U (en) * | 2012-10-19 | 2013-06-12 | 陕西群力电工有限责任公司 | Twin coil magnetic latching relay |
-
2012
- 2012-10-19 CN CN201210429539.XA patent/CN103035447B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08287807A (en) * | 1995-04-18 | 1996-11-01 | Nec Corp | Electromagnetic relay |
| JP2008041336A (en) * | 2006-08-03 | 2008-02-21 | Nec Tokin Corp | Electromagnetic relay |
| CN201638760U (en) * | 2010-01-27 | 2010-11-17 | 宁波弗朗逊精密电子有限公司 | Relay |
| CN101807492A (en) * | 2010-03-23 | 2010-08-18 | 乐清市金川电子有限公司 | Large-current relay |
| CN201868344U (en) * | 2010-11-25 | 2011-06-15 | 安徽省明光市华信电子有限公司 | Electromagnetic relay with coil being arranged above contact terminal |
| CN202996721U (en) * | 2012-10-19 | 2013-06-12 | 陕西群力电工有限责任公司 | Twin coil magnetic latching relay |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847619A (en) * | 2017-03-21 | 2017-06-13 | 哈尔滨工业大学 | A kind of through fin in crystal cover series electromagnetic relay |
| CN106847619B (en) * | 2017-03-21 | 2018-09-21 | 哈尔滨工业大学 | A kind of through cooling fin in crystal cover series electromagnetic relay |
| WO2018227996A1 (en) * | 2017-06-14 | 2018-12-20 | 广西睿奕科技发展有限公司 | Magnetic latching relay capable of simultaneously turning off null line and live line |
| CN111710564A (en) * | 2020-06-19 | 2020-09-25 | 哈尔滨工业大学 | Small-size sealed electromagnetic relay reed that metal bonding of bending filled tin |
| CN111710564B (en) * | 2020-06-19 | 2022-05-03 | 哈尔滨工业大学 | Small-size sealed electromagnetic relay reed that metal bonding of bending filled tin |
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| Publication number | Publication date |
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| CN103035447B (en) | 2014-10-08 |
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Granted publication date: 20141008 Termination date: 20151019 |
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