CN102956406A - Straight-pulling type magnetic latching relay - Google Patents
Straight-pulling type magnetic latching relay Download PDFInfo
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- CN102956406A CN102956406A CN2012104548105A CN201210454810A CN102956406A CN 102956406 A CN102956406 A CN 102956406A CN 2012104548105 A CN2012104548105 A CN 2012104548105A CN 201210454810 A CN201210454810 A CN 201210454810A CN 102956406 A CN102956406 A CN 102956406A
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- pushing piece
- yoke
- movable contact
- iron core
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Abstract
The invention discloses a straight-pulling type magnetic latching relay, comprising an electromagnetic system, a contact group and an anti-magnetic cover, wherein the electromagnetic system comprises a cover shell, an upper cover, a coil skeleton, a first yoke iron, a second yoke iron, an iron core, a connecting rod, a terminal pin, a first pushing piece, a second pushing piece, an auxiliary reed and a movable reed, wherein the coil skeleton, the first yoke iron and the second yoke iron are arranged in a cavity enclosed by the anti-magnetic cover; the anti-magnetic cover is arranged in a cavity enclosed by the cover shell and the upper cover; two pieces of magnetic steel are arranged at the middle part of the coil skeleton; the connecting rod is fixed in the iron core; the terminal pin penetrates through the coil skeleton; the iron core is inserted into the coil skeleton; and a coil on the coil skeleton is connected with an external power supply by the terminal pin. The straight-pulling type magnetic latching relay manufactured by adopting the technical scheme has the advantages that strong-magnetic interference can be effectively prevented; and since the magnetic latching relay is a straight-pulling type electromagnetic system, the strong-magnetic interference can be effectively prevented by adding the anti-magnetic cover, and the condition that the work can not be carried out due to strong-magnetic interference can not occur under the standard of the state grid.
Description
Technical field
The present invention relates to the relay field, particularly a kind of Straight pull magnetic latching relay.
Background technology
Magnetic latching relay is a kind of new type of relay that grew up in recent years, also is a kind of automatic switch.The same with other electromagnetic relays, circuit is played 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 triggers by the pulse electrical signal of one fixed width and finishes.The magnetic latching relay drive system core of using in the market is rotation change type magnetic loop mode, this kind mode of operation causes the inconvenient Antimagnetic hood that adds in inside, externally add Antimagnetic hood and need again a lot of materials, so be badly in need of at present a kind of magnetic latching relay that can effectively prevent strong magnetic disturbance and save material.
Summary of the invention
In order to address the above problem, the invention provides a kind of Straight pull magnetic latching relay that can effectively prevent strong magnetic disturbance and save material.
A kind of Straight pull magnetic latching relay among the present invention comprises electromagnetic system and contact sets,
Also comprise Antimagnetic hood;
Described electromagnetic system comprises case, loam cake, coil rack, the first yoke, the second yoke, iron core, connecting rod, terminal pin, the first pushing piece, the second pushing piece, auxiliary reed and movable contact spring, described coil rack and the first yoke, the second yoke is arranged in the cavity that Antimagnetic hood surrounds, described Antimagnetic hood is arranged in the cavity that case and loam cake surround, described coil rack middle part is provided with two blocks of magnet steel, two magnet steel same polarities arrange in opposite directions, described connecting rod is fixed in the iron core, described terminal pin passes coil rack, described iron core inserts in the coil rack, coil on the described coil rack is connected with external power source by terminal pin, described the first pushing piece and connecting rod snapping, described the second pushing piece and the first pushing piece snapping, described the second pushing piece and movable contact spring snapping, described auxiliary reed is connected with movable contact spring, when the sense of current of coil changes, coil is because the pulsed current signal of moment produces magnetic field, the effect in magnetic field so that iron core and connecting rod to the motion of the first yoke or the second yoke direction, thereby drive the first pushing piece, the second pushing piece, auxiliary reed and movable contact spring move along the iron core equidirectional, changed the state of relay, and before the next pulse current signal arrives, remained on this position always.
In the such scheme, described contact sets comprises moving plate combination and still combination, described moving plate combination comprises moving spring abutment and moving contact, described moving spring abutment is connected with movable contact spring, described moving contact is connected with movable contact spring, described still combination comprises quiet spring abutment and fixed contact, described quiet spring abutment is connected with fixed contact, when the first pushing piece, the second pushing piece, auxiliary reed and movable contact spring during to the motion of the first yoke or the second yoke direction, be connected on the movable contact spring moving contact near or away from the motion of the direction of fixed contact, thereby change the state of relay.
Advantage of the present invention and beneficial effect are: the invention provides a kind of Straight pull magnetic latching relay that effectively prevents strong magnetic disturbance, because the magnetic latching relay electromagnetic system is the Straight pull electromagnetic system, can effectively add Antimagnetic hood, the application of Antimagnetic hood can effectively prevent strong magnetic disturbance, situation about can't work because of strong magnetic disturbance under the standard of national grid, can not occur and save very much material, reduce cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of Straight pull magnetic latching relay of the present invention;
Fig. 2 is the electromagnetic circuit figure of Straight pull magnetic latching relay when the sound closing of contact;
Fig. 3 is the electromagnetic circuit figure that the iron core of Straight pull magnetic latching relay produces;
Fig. 4 is the electromagnetic circuit figure of Straight pull magnetic latching relay when disconnecting in the sound contact.
Among the figure: 1, case 2, loam cake 31, Antimagnetic hood 32, Antimagnetic hood 41, magnet steel 42, magnet steel 5, coil rack 6, the second yoke 7, the first yoke 8, iron core 9, connecting rod 10, terminal pin 11, the first pushing piece 12, the second pushing piece 131, auxiliary reed 132, auxiliary reed 15, movable contact spring 16, moving contact 17, fixed contact 18, quiet spring abutment 191, moving spring abutment 192, moving spring abutment
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
As shown in Figure 1, the present invention is a kind of Straight pull magnetic latching relay, comprise electromagnetic system and contact sets, also comprise Antimagnetic hood 31, Antimagnetic hood 32, electromagnetic system comprises case 1, loam cake 2, coil rack 5, the first yoke 7, the second yoke 6, iron core 8, connecting rod 9, terminal pin 10, the first pushing piece 11, the second pushing piece 12, auxiliary reed 131, auxiliary reed 132 and movable contact spring 15, coil rack 5 and the first yoke 7, the second yoke 6 is arranged on Antimagnetic hood 31, in the cavity that Antimagnetic hood 32 surrounds, Antimagnetic hood 31, Antimagnetic hood 32 is arranged in the cavity that case 1 and loam cake 2 surround, coil rack 5 middle parts are provided with magnet steel 41 and magnet steel 42, two magnet steel same polarities arrange in opposite directions, for example all be the S utmost point or all be the N utmost point, magnet steel 41 and magnet steel 42 form respectively a magnetic loop like this, connecting rod 9 is fixed in the iron core 8, terminal pin 10 passes coil rack 5, iron core 8 inserts in the coil rack 5, coil on the coil rack 5 is connected with external power source by terminal pin 10, the first pushing piece 11 and connecting rod 9 snappings, the second pushing piece 12 and the first pushing piece 11 snappings, the second pushing piece 12 and movable contact spring 15 snappings, auxiliary reed 131, auxiliary reed 132 is connected with movable contact spring 15, make things convenient for movable contact spring 15 playback, when the sense of current of coil changes, coil is because the pulsed current signal of moment produces magnetic field, the effect in magnetic field so that iron core 8 and connecting rod 9 to the motion of the first yoke 7 or the second yoke 6 directions, thereby drive the first pushing piece 11, the second pushing piece 12, auxiliary reed 131, auxiliary reed 132 and movable contact spring 15 move along iron core 8 equidirectionals, changed the state of relay, and before the next pulse current signal arrives, remained on this position always.
Contact sets comprises moving plate combination and still combination, the moving plate combination comprises moving spring abutment 191, moving spring abutment 192 and moving contact 16, moving spring abutment 191, moving spring abutment 192 is connected with movable contact spring 15, moving contact 16 is connected with movable contact spring 15, the still combination comprises quiet spring abutment 18 and fixed contact 17, quiet spring abutment 18 is connected with fixed contact 17, when the first pushing piece 11, the second pushing piece 12, auxiliary reed 131, auxiliary reed 132 and movable contact spring 15 are during to the motion of the first yoke 7 or the second yoke 6 directions, be connected on the movable contact spring 15 moving contact 16 near or away from the motion of the direction of fixed contact 17, thereby change the state of relay.
Magnetic latching relay is moving contact 16 when normal operation, fixed contact 17 is closure state, the magnetic field of magnetic latching relay inside distributes as shown in Figure 2, when the sense of current of coil changes, coil is because the pulsed current signal of moment produces magnetic field as shown in Figure 3, the effect in magnetic field so that iron core 8 and connecting rod 9 move to the second yoke 6 directions, thereby drive the first pushing piece 11, the second pushing piece 12, auxiliary reed 131, auxiliary reed 132 and movable contact spring 15 move along iron core 8 equidirectionals, iron core no longer contacts the first yoke 7 then tightly touches the second yoke 6, the moving contact 16 that is connected on the movable contact spring 15 moves to the direction away from fixed contact 17, so moving contact 16, fixed contact 17 becomes open mode.After moving contact 16, fixed contact 17 become open mode, whole magnetic latching relay causes the variation of circuit, circuit is changed into open by pass before, and this moment, the magnetic field of magnetic latching relay inside distributed as shown in Figure 4, and kept this state before the next pulse current signal.
The application of Antimagnetic hood 31, Antimagnetic hood 32 can can't normally not used because being subject to strong magnetic disturbance so that most important electromagnetic circuit is all protected in Antimagnetic hood.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a Straight pull magnetic latching relay comprises electromagnetic system and contact sets, it is characterized in that:
Also comprise Antimagnetic hood;
Described electromagnetic system comprises case, loam cake, coil rack, the first yoke, the second yoke, iron core, connecting rod, terminal pin, the first pushing piece, the second pushing piece, auxiliary reed and movable contact spring, described coil rack and the first yoke, the second yoke is arranged in the cavity that Antimagnetic hood surrounds, described Antimagnetic hood is arranged in the cavity that case and loam cake surround, described coil rack middle part is provided with two blocks of magnet steel, two magnet steel same polarities arrange in opposite directions, described connecting rod is fixed in the iron core, described terminal pin passes coil rack, described iron core inserts in the coil rack, coil on the described coil rack is connected with external power source by terminal pin, described the first pushing piece and connecting rod snapping, described the second pushing piece and the first pushing piece snapping, described the second pushing piece and movable contact spring snapping, described auxiliary reed is connected with movable contact spring, when the sense of current of coil changes, coil is because the pulsed current signal of moment produces magnetic field, the effect in magnetic field so that iron core and connecting rod to the motion of the first yoke or the second yoke direction, thereby drive the first pushing piece, the second pushing piece, auxiliary reed and movable contact spring move along the iron core equidirectional, changed the state of relay, and before the next pulse current signal arrives, remained on this position always.
2. a kind of Straight pull magnetic latching relay according to claim 1, it is characterized in that: described contact sets comprises moving plate combination and still combination, described moving plate combination comprises moving spring abutment and moving contact, described moving spring abutment is connected with movable contact spring, described moving contact is connected with movable contact spring, described still combination comprises quiet spring abutment and fixed contact, described quiet spring abutment is connected with fixed contact, when the first pushing piece, the second pushing piece, auxiliary reed and movable contact spring are during to the motion of the first yoke or the second yoke direction, be connected on the movable contact spring moving contact near or away from the motion of the direction of fixed contact, thereby change the state of relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454810.5A CN102956406B (en) | 2012-11-13 | 2012-11-13 | Straight-pulling type magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454810.5A CN102956406B (en) | 2012-11-13 | 2012-11-13 | Straight-pulling type magnetic latching relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102956406A true CN102956406A (en) | 2013-03-06 |
| CN102956406B CN102956406B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210454810.5A Expired - Fee Related CN102956406B (en) | 2012-11-13 | 2012-11-13 | Straight-pulling type magnetic latching relay |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794415A (en) * | 2014-01-23 | 2014-05-14 | 厦门宏发电力电器有限公司 | Electromagnetic relay and movable contact spring thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238011Y (en) * | 2008-02-20 | 2009-05-13 | 浙江中孚电子有限公司 | Diphasic high-power magnetic latching relay for control |
| US20090322453A1 (en) * | 2008-06-30 | 2009-12-31 | Omron Corporation | Electromagnet device |
| CN201436677U (en) * | 2009-05-08 | 2010-04-07 | 上海万佳精密元件有限公司 | Transformer integration single-phase magnetic maintenance relay |
| CN201611636U (en) * | 2010-01-14 | 2010-10-20 | 中国振华集团群英无线电器材厂 | Closed magnetic keeping contactor |
| CN202905616U (en) * | 2012-11-13 | 2013-04-24 | 上海金岩电器制造有限公司 | Straight-pull type magnetic latching relay |
-
2012
- 2012-11-13 CN CN201210454810.5A patent/CN102956406B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238011Y (en) * | 2008-02-20 | 2009-05-13 | 浙江中孚电子有限公司 | Diphasic high-power magnetic latching relay for control |
| US20090322453A1 (en) * | 2008-06-30 | 2009-12-31 | Omron Corporation | Electromagnet device |
| CN201436677U (en) * | 2009-05-08 | 2010-04-07 | 上海万佳精密元件有限公司 | Transformer integration single-phase magnetic maintenance relay |
| CN201611636U (en) * | 2010-01-14 | 2010-10-20 | 中国振华集团群英无线电器材厂 | Closed magnetic keeping contactor |
| CN202905616U (en) * | 2012-11-13 | 2013-04-24 | 上海金岩电器制造有限公司 | Straight-pull type magnetic latching relay |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794415A (en) * | 2014-01-23 | 2014-05-14 | 厦门宏发电力电器有限公司 | Electromagnetic relay and movable contact spring thereof |
| CN103794415B (en) * | 2014-01-23 | 2017-04-05 | 厦门宏发电力电器有限公司 | electromagnetic relay and its movable contact spring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102956406B (en) | 2015-03-11 |
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Granted publication date: 20150311 Termination date: 20211113 |