CN103413730A - Magnetic latching relay with clapping type armature structure - Google Patents
Magnetic latching relay with clapping type armature structure Download PDFInfo
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- CN103413730A CN103413730A CN2013102335325A CN201310233532A CN103413730A CN 103413730 A CN103413730 A CN 103413730A CN 2013102335325 A CN2013102335325 A CN 2013102335325A CN 201310233532 A CN201310233532 A CN 201310233532A CN 103413730 A CN103413730 A CN 103413730A
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- yoke
- bobbin
- iron core
- latching relay
- clapper
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Abstract
The invention discloses a magnetic latching relay with a clapping type armature structure. The magnetic latching relay comprises a magnetic circuit part, wherein the magnetic circuit part comprises a coil frame, magnetic steel, an iron core and a yoke; the iron core is inserted in a central hole of the coil frame; and a sinking groove is arranged in the coil frame on one end of the central hole, one end of the iron core is clamped in the sinking groove of the coil frame, one surface of the york is adhered and fixed with the coil frame on one end of the central hole through a positioning structure between the yoke and the coil frame so as to press the magnetic steel in the sinking groove of the coil frame, one surface of the magnetic steel is in contact with one end of the iron core, and the other surface of the magnetic steel is in contact with the surface of the yoke. According to the invention, the magnetic steel is arranged between the iron core and the yoke, and the positioning structure between the yoke and the coil frame is utilized, on one hand, the fixation between the yoke and the coil frame can be realized, on the other hand, the magnetic steel can be accurately positioned between the iron core and the yoke, and the magnetic latching relay has the advantages of good magnetic steel positioning effect, easy relay assembly, low manufacturing difficulty and reduced manufacturing cost.
Description
Technical field
The present invention relates to a kind of magnetic latching relay, particularly relate to a kind of magnetic latching relay of clapper-type armature structure.
Background technology
Magnetic latching relay is a kind of new type of relay grown up in recent years, is also a kind of automatic switch.The same with other electromagnetic relays, circuit is played to automatic connection and cutting action.Difference is, the normally closed or normally open of magnetic latching relay is the effect that relies on permanent-magnet steel fully, and the conversion of its on off state has triggered by the pulse electrical signal of one fixed width.
Magnetic latching relay is because the magnet steel part has been assembled in inside, and magnet steel is harder crisp, easily broken under stressing conditions, so the fixed form of magnet steel is the difficult point in magnetism holding type relay development process.
The magnetic latching relay of the clapper-type armature structure of prior art normally is contained in magnet steel the iron core centre or is contained in the middle of yoke, when magnet steel is contained in the iron core centre, iron core is cut into to two sections, then magnet steel is connected in the middle of iron core.Same, when magnet steel is contained in the yoke centre, be also yoke will be cut apart with a knife or scissors, then magnet steel is connected in the middle of yoke.This magnet steel mounting means of prior art, on the one hand, easily cause the deviation of magnet steel position; On the other hand, also increase the manufacture difficulty of the magnetic latching relay of clapper-type armature structure, simultaneously, also can cause the increase of cost of manufacture.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, a kind of magnetic latching relay of clapper-type armature structure is provided, that magnet steel is arranged between iron core and yoke, and utilize the location structure between yoke and bobbin, on the one hand, realize fixing between yoke and bobbin, on the other hand, magnet steel can be accurately positioned between iron core and yoke, have the assembling of magnet steel good positioning effect, relay easily, manufacture difficulty reduces and cost of manufacture reduces characteristics.
The technical solution adopted for the present invention to solve the technical problems is: a kind of magnetic latching relay of clapper-type armature structure comprises magnetic circuit part; Described magnetic circuit part comprises bobbin, magnet steel, iron core and yoke; Iron core is plugged in the centre bore of bobbin; On the bobbin of described centre bore one end, be provided with deep gouge, one end of iron core is stuck in the deep gouge of bobbin, the one side of described yoke is fixed on the bobbin place of described centre bore one end and described magnet steel is pressed in the deep gouge of described bobbin by the laminating of the location structure between yoke and bobbin, the one side of magnet steel contacts with an end of described iron core, and the another side of magnet steel contacts with the one side of described yoke.
Described yoke comprises with location structure between bobbin several protruding buds that are arranged on bobbin and is arranged on several through holes corresponding with described protruding bud of the one side of described yoke, and the protruding bud of each of bobbin matches to realize to locate with the corresponding through hole of yoke respectively.
Fixing between described yoke and bobbin, scald the riveting technology for adopting plastic hot melt, will be engaged in the plastics melting of the protruding bud of yoke through hole, makes protruding bud scald riveting in the yoke through hole, thereby yoke is fixedly connected with bobbin.
The through hole of described yoke is stepped hole, and fixing between described yoke and bobbin is to be engaged in the plastics melting of protruding bud at the step place of yoke through hole, makes protruding bud scald riveting at the step place of yoke through hole, thereby yoke is fixedly connected with bobbin.Certainly, can be also to adopt straight hole.
Location structure between described yoke and bobbin comprises the semi-enclosed cavity that is arranged on the bobbin end, and an end of described yoke is inserted in semi-enclosed cavity of bobbin end, and by interference fit, yoke is fixedly connected with bobbin.
Location structure between described yoke and bobbin comprises the some colloid be bonded between yoke and bobbin, by a glue connected mode, realizes location and fixes between yoke and bobbin.
It is that an end at iron core is provided with head that one end of described iron core is stuck in the deep gouge of bobbin, and the head of iron core is stuck in the deep gouge of bobbin.
The magnetic latching relay of a kind of clapper-type armature structure of the present invention, after the moving spring armature part of assembling clapper-type armature structure, effect due to magnet steel, at the relay reset mode, yoke, magnet steel, iron core and armature form not closed magnetic circuit loop, moving spring counter-force is greater than the suction of magnetic field to armature, so relay remains on reset mode.When the actuating of relay, coil leads to direct impulse voltage, the magnetic field Downward addition that the magnetic field that coil produces and magnet steel produce, magnetic field is greater than the counter-force of moving spring to the suction of armature, armature is inhaled, armature drives moving spring contact part, relay closes, after pulse voltage is removed, yoke, magnet steel, iron core and armature form closed magnetic circuit loop, magnetic field is greater than the counter-force of moving spring to the suction of armature, relay remains on closure state, when relay resets, coil leads to a reverse impulse voltage, the closed magnetic field that the magnetic field that coil produces and magnet steel produce oppositely superposes, moving spring counter-force is greater than the suction of magnetic field to armature, moving spring band moving armature resets.
The invention has the beneficial effects as follows: be provided with deep gouge owing to having adopted on the bobbin of described centre bore one end, one end of iron core is stuck in the deep gouge of bobbin, the one side of described yoke is fixed on the bobbin place of described centre bore one end and described magnet steel is pressed in the deep gouge of described bobbin by the laminating of the location structure between yoke and bobbin, the one side of magnet steel contacts with an end of described iron core, the another side of magnet steel contacts with the one side of described yoke, and this structure can be accurately positioned in magnet steel between iron core and yoke, owing to having adopted, several protruding buds are set on bobbin, one side at described yoke arranges several through holes corresponding with described protruding bud, each protruding bud by bobbin respectively with the matching of the corresponding through hole of yoke, and adopt plastic hot melt to scald the riveting technology, the plastics melting of the protruding bud of yoke through hole will be engaged in, make protruding bud scald riveting in the yoke through hole, thereby yoke is fixedly connected with bobbin, this fixed form, make the assembling between yoke and bobbin be more prone to, thereby the cost of manufacture that has reduced the manufacture difficulty of relay and reduced relay.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But the magnetic latching relay of a kind of clapper-type armature structure of the present invention is not limited to embodiment.
The accompanying drawing explanation
Fig. 1 is embodiment mono-structural representation of the present invention;
Fig. 2 is the structure decomposing schematic representation of embodiment mono-magnetic circuit part of the present invention;
Fig. 3 is the structural representation of embodiment mono-yoke of the present invention;
Fig. 4 is the structural representation of embodiment mono-bobbin of the present invention;
Fig. 5 is the schematic diagram of embodiment mono-part-structure of the present invention;
Fig. 6 is the structure cutaway view of embodiment mono-magnetic circuit part of the present invention;
Fig. 7 is the magnetic circuit magnetic direction schematic diagram of embodiment mono-magnetic circuit part of the present invention when reset mode;
Fig. 8 is the magnetic circuit magnetic direction schematic diagram of embodiment mono-magnetic circuit part of the present invention when action;
Fig. 9 is the magnetic circuit magnetic direction schematic diagram of embodiment mono-magnetic circuit part of the present invention when resetting;
Figure 10 is embodiment bis-yoke of the present invention and the schematic diagram that coordinates of bobbin;
Figure 11 is embodiment tri-yoke of the present invention and the schematic diagram that coordinates of bobbin;
Figure 12 is the structural representation of embodiment tri-bobbins of the present invention.
Embodiment
Embodiment mono-, to shown in Figure 9, the magnetic latching relay of a kind of clapper-type armature structure of the present invention, comprise base portion 1 referring to Fig. 1, magnetic circuit part 2, moving spring armature part 3, contact portion 4 and shell 5, described magnetic circuit part comprise bobbin 21, magnet steel 22, iron core 23 and yoke 24; Iron core 23 is plugged in the centre bore 211 of bobbin 21; On the bobbin of described centre bore one end, be provided with deep gouge 212, one end of iron core 23 is stuck in the deep gouge 212 of bobbin, the one side of described yoke 24 is fixed on bobbin 21 places of described centre bore one end and described magnet steel 22 is pressed in the deep gouge 212 of described bobbin by the laminating of the location structure between yoke and bobbin, the one side of magnet steel 22 contacts with an end of described iron core 23, and the another side of magnet steel 23 contacts with the one side of described yoke 24.
Described yoke and location structure between bobbin comprise be arranged on bobbin 21 several protruding luxuriant 213 and be arranged on several through holes 241 corresponding with described protruding bud of the one side of described yoke, each of bobbin protruding luxuriant 213 matches to realize to locate with the corresponding through hole 241 of yoke respectively.In the present embodiment, protruding luxuriant 213 are provided with three altogether, are located at respectively the periphery of the centre bore 211 of bobbin 21, and the corresponding through hole 241 of yoke also has three, is located at respectively the position with three protruding luxuriant 213 corresponding matching.
Fixing between described yoke and bobbin, for adopting plastic hot melt, scald the riveting technology, protruding luxuriant 213 the plastics melting that is engaged in the yoke through hole (because adopting plastics, is made bobbin, therefore, protruding luxuriant 213 is also plastics), make protruding luxuriant 213 to scald riveting at yoke through hole 241 places, thereby yoke 24 is fixedly connected with bobbin 21.
The through hole 241 of described yoke 24 is stepped hole, namely, through hole 241 is provided with step 242, fixing between described yoke and bobbin, it is protruding luxuriant 213 the plastics melting that will be engaged in the step place of yoke through hole, make protruding luxuriant 213 to scald riveting at step 242 places of yoke through hole, thereby yoke 24 is fixedly connected with bobbin 21.It is protruding luxuriant 213 that the through hole 241 that employing is provided with step 242 scalds riveting, can realize better fixed effect, still, step not necessarily, such as, adopt the through hole of straight hole shape also to be fine.
It is that an end at iron core is provided with head 231 that one end of described iron core 23 is stuck in the deep gouge of bobbin, and the head 231 of iron core is stuck in the deep gouge 212 of bobbin.
The magnetic latching relay of a kind of clapper-type armature structure of the present invention, after the moving spring armature part 3 of assembling clapper-type armature structure, effect due to magnet steel 22, at the relay reset mode, yoke 24, magnet steel, iron core and armature form not closed magnetic circuit loop A, moving spring counter-force is greater than the suction of magnetic field to armature, so relay remains on reset mode (as shown in Figure 7).When the actuating of relay, coil leads to direct impulse voltage, magnetic field (the magnetic circuit loop A) Downward addition (as shown in Figure 8) that the magnetic field (magnetic circuit loop B) that coil produces and magnet steel produce, magnetic field are greater than the counter-force of moving spring to the suction of armature, armature is inhaled, armature drives moving spring contact part, relay closes, after pulse voltage was removed, yoke, magnet steel, iron core and armature formed closed magnetic circuit loop D, magnetic field is greater than the counter-force of moving spring to the suction of armature, relay remains on closure state.When relay resets, coil leads to a reverse impulse voltage, the magnetic field (magnetic circuit loop C) that coil produces oppositely superposes (as shown in Figure 9) with the closed magnetic field (magnetic circuit loop D) that magnet steel produces, and moving spring counter-force is greater than the suction of magnetic field to armature, and moving spring band moving armature resets.
Embodiment bis-, shown in Figure 10, the magnetic latching relay of a kind of clapper-type armature structure of the present invention, with the difference of embodiment mono-, be, location structure between yoke 24 and bobbin 21 comprises the some colloid 214 be bonded between yoke and bobbin, by a glue connected mode, realizes location and fixes between yoke 24 and bobbin 21.
Embodiment tri-, referring to Figure 11, shown in Figure 12, the magnetic latching relay of a kind of clapper-type armature structure of the present invention, with the difference of embodiment mono-, be, location structure between described yoke 24 and bobbin 21 comprises the semi-enclosed cavity 215 that is arranged on the bobbin end, one end of described yoke 24 is inserted in semi-enclosed cavity 215 of bobbin end, and by interference fit, yoke 24 is fixedly connected with bobbin 21.
Above-described embodiment only is used for further illustrating the magnetic latching relay of a kind of clapper-type armature structure of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention, to any simple modification, equivalent variations and modification that above embodiment does, all falls in the protection range of technical solution of the present invention.
Claims (7)
1. the magnetic latching relay of a clapper-type armature structure, comprise magnetic circuit part; Described magnetic circuit part comprises bobbin, magnet steel, iron core and yoke; Iron core is plugged in the centre bore of bobbin; It is characterized in that: be provided with deep gouge on the bobbin of described centre bore one end, one end of iron core is stuck in the deep gouge of bobbin, the one side of described yoke is fixed on the bobbin place of described centre bore one end and described magnet steel is pressed in the deep gouge of described bobbin by the laminating of the location structure between yoke and bobbin, the one side of magnet steel contacts with an end of described iron core, and the another side of magnet steel contacts with the one side of described yoke.
2. the magnetic latching relay of clapper-type armature structure according to claim 1, it is characterized in that: described yoke comprises with location structure between bobbin several protruding buds that are arranged on bobbin and is arranged on several through holes corresponding with described protruding bud of the one side of described yoke, and the protruding bud of each of bobbin matches to realize to locate with the corresponding through hole of yoke respectively.
3. the magnetic latching relay of clapper-type armature structure according to claim 2, it is characterized in that: fixing between described yoke and bobbin, for adopting plastic hot melt, scald the riveting technology, the plastics melting of the protruding bud of yoke through hole will be engaged in, make protruding bud scald riveting in the yoke through hole, thereby yoke is fixedly connected with bobbin.
4. the magnetic latching relay of clapper-type armature structure according to claim 3, it is characterized in that: the through hole of described yoke is stepped hole, fixing between described yoke and bobbin, it is the plastics melting of protruding bud that will be engaged in the step place of yoke through hole, make protruding bud scald riveting at the step place of yoke through hole, thereby yoke is fixedly connected with bobbin.
5. the magnetic latching relay of clapper-type armature structure according to claim 1, it is characterized in that: the location structure between described yoke and bobbin comprises the semi-enclosed cavity that is arranged on the bobbin end, one end of described yoke is inserted in semi-enclosed cavity of bobbin end, and by interference fit, yoke is fixedly connected with bobbin.
6. the magnetic latching relay of clapper-type armature structure according to claim 1, it is characterized in that: the location structure between described yoke and bobbin comprises the some colloid be bonded between yoke and bobbin, by a glue connected mode, realizes location and fixes between yoke and bobbin.
7. the magnetic latching relay of clapper-type armature structure according to claim 1 is characterized in that: it is that an end at iron core is provided with head that an end of described iron core is stuck in the deep gouge of bobbin, and the head of iron core is stuck in the deep gouge of bobbin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233532.5A CN103413730B (en) | 2013-06-13 | 2013-06-13 | A kind of magnetic latching relay of clapper-type armature structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310233532.5A CN103413730B (en) | 2013-06-13 | 2013-06-13 | A kind of magnetic latching relay of clapper-type armature structure |
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| CN103413730A true CN103413730A (en) | 2013-11-27 |
| CN103413730B CN103413730B (en) | 2016-01-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| CN106128868A (en) * | 2016-08-19 | 2016-11-16 | 天津市百利电气有限公司 | The dropout of electronic overload relay and reset conversion equipment |
| CN106558459A (en) * | 2016-11-24 | 2017-04-05 | 厦门宏发汽车电子有限公司 | A kind of miniaturization shock resistance clapper type relay |
| US11114264B2 (en) | 2016-11-24 | 2021-09-07 | Xiamen Hongfa Automotive Electronics Co., Ltd. | Insertion structure between static spring and bobbin |
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| US3946347A (en) * | 1973-04-13 | 1976-03-23 | Matsushita Electric Works Ltd. | Electromagnetic relay structure |
| CN102163519A (en) * | 2011-04-23 | 2011-08-24 | 哈斯科继电器和电子元件国际有限公司 | High-power automatic reset magnetic latching relay |
| CN102779690A (en) * | 2012-07-19 | 2012-11-14 | 宁波福特继电器有限公司 | Small high-power magnetic latching relay |
| CN202695322U (en) * | 2012-07-30 | 2013-01-23 | 贵州锐动科技有限公司 | Alternating current electromagnetic latching relay |
| CN203339070U (en) * | 2013-06-13 | 2013-12-11 | 厦门宏发汽车电子有限公司 | A magnetic latching relay with attracted armature structure |
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2013
- 2013-06-13 CN CN201310233532.5A patent/CN103413730B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946347A (en) * | 1973-04-13 | 1976-03-23 | Matsushita Electric Works Ltd. | Electromagnetic relay structure |
| CN102163519A (en) * | 2011-04-23 | 2011-08-24 | 哈斯科继电器和电子元件国际有限公司 | High-power automatic reset magnetic latching relay |
| CN102779690A (en) * | 2012-07-19 | 2012-11-14 | 宁波福特继电器有限公司 | Small high-power magnetic latching relay |
| CN202695322U (en) * | 2012-07-30 | 2013-01-23 | 贵州锐动科技有限公司 | Alternating current electromagnetic latching relay |
| CN203339070U (en) * | 2013-06-13 | 2013-12-11 | 厦门宏发汽车电子有限公司 | A magnetic latching relay with attracted armature structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| CN104091725B (en) * | 2014-07-29 | 2016-05-18 | 厦门宏发电力电器有限公司 | Large current magnetic holding relay and movable contact spring thereof, contact assembly |
| CN106128868A (en) * | 2016-08-19 | 2016-11-16 | 天津市百利电气有限公司 | The dropout of electronic overload relay and reset conversion equipment |
| CN106558459A (en) * | 2016-11-24 | 2017-04-05 | 厦门宏发汽车电子有限公司 | A kind of miniaturization shock resistance clapper type relay |
| CN106558459B (en) * | 2016-11-24 | 2018-07-13 | 厦门宏发汽车电子有限公司 | A kind of miniaturization shock resistance clapper type relay |
| US11114264B2 (en) | 2016-11-24 | 2021-09-07 | Xiamen Hongfa Automotive Electronics Co., Ltd. | Insertion structure between static spring and bobbin |
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| CN103413730B (en) | 2016-01-27 |
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