CN103489717B - A kind of Clapper-type double-magnetic circuit magnetic latching relay - Google Patents
A kind of Clapper-type double-magnetic circuit magnetic latching relay Download PDFInfo
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- CN103489717B CN103489717B CN201310378565.9A CN201310378565A CN103489717B CN 103489717 B CN103489717 B CN 103489717B CN 201310378565 A CN201310378565 A CN 201310378565A CN 103489717 B CN103489717 B CN 103489717B
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Abstract
The invention discloses a kind of Clapper-type double-magnetic circuit magnetic latching relay, comprise magnetic circuit part; Magnetic circuit part comprises iron core, armature, yoke, magnet steel, magnetic conduction sheet and coil; Yoke comprises pole face portion, permeable section and coupling part; Iron core is arranged in coil hole, and iron core upper end is set to pole-face, and iron core lower end is connected with yoke coupling part; Magnetic conduction sheet is relative with yoke permeable section, and is provided with certain gap between the bottom of magnetic conduction sheet and yoke coupling part; Magnet steel is contained between magnetic conduction sheet and yoke permeable section; Armature is placed in the top of magnetic conduction sheet, and the two ends of armature are relative with the pole face portion of yoke with the pole-face of iron core respectively, and when rotating to make armature, the two ends of armature can be carried out alternately switching being close between the pole-face of iron core and the pole face portion being close to yoke.The present invention, by arranging two magnetic route structure, in the asymmetric situation of magnetic circuit, makes its set and reset mode almost symmetry, thus achieves balanced type magnetic maintenance electromagnetic relay magnetic structure.
Description
Technical field
The present invention relates to a kind of relay, particularly relate to a kind of Clapper-type double-magnetic circuit magnetic latching relay.
Background technology
Relay is the automatic switch element with isolation features, and being widely used in the field such as communication, automobile, automatically control, household electrical appliance, is one of most important control element.
Relay comes out so far from 19th-century, there occurs huge change in performance and configuration aspects, just towards future development that is miniaturized, energy-saving.Magnetic latching relay utilizes permanent magnet to provide electromagnetic attraction, contact action when coil is energized, and after coil removes excitation, contact still keeps this state, is a kind of environmental protection relay.
Typical clapper-type electromagnetic relay will realize magnetic and keep, and generally iron core (or yoke) is divided into two parts, seals in a permanent magnet in centre.Fig. 1 is the structural representation of a kind of clapper-type magnetic latching relay of prior art, as shown in Figure 1, this clapper-type magnetic latching relay includes magnetic circuit part and contact portion, contact portion comprises dynamic spring part and quiet spring part, dynamic spring part then comprises movable contact spring 101 and moving contact 102, quiet spring part then comprises quiet spring 201 and fixed contact 202, magnetic circuit part comprises iron core 301, armature 302, yoke 303, magnet steel 304 and coil, coil is then made up of enamelled wire 305 and bobbin 306, enamelled wire 305 is wrapped on bobbin 306, iron core 301 is arranged in the hole of bobbin 306 usually, the upper end of iron core 301 is set to pole-face, the lower end of iron core 301 is connected with yoke 303 by magnet steel 304, yoke 303 is L-type, upper end forms the edge of a knife of yoke, armature 302 can rotate along the edge of a knife of yoke 303, when the actuating of relay, armature 302 can inhale the pole-face to iron core 301.The clapper-type magnetic latching relay of this structure, when after coil stimulating, magnetic circuit closes, and the magnetic force that permanent magnet and magnet steel 304 produce can make armature 302 be kept closed; But after coil applies involution excitation, the magnetic force of permanent magnet and magnet steel 304 still has stronger suction to armature 302, needs larger recuperability that armature just can be made to remain on release condition.To mate with recuperability improperly in situation at magnetic force, may occur that the set voltage of coil is very little, resetting voltage is very large, the situation that even cannot reset, and needs the power consumption increasing involution coil.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, there is provided a kind of Clapper-type double-magnetic circuit magnetic latching relay, by arranging two magnetic route structure, in the asymmetric situation of magnetic circuit, make its set and reset mode almost symmetry, thus achieve balanced type magnetic maintenance electromagnetic relay magnetic structure.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Clapper-type double-magnetic circuit magnetic latching relay, comprises magnetic circuit part; Described magnetic circuit part comprises iron core, armature, yoke, magnet steel, magnetic conduction sheet and coil; Yoke comprise sequentially connect pole face portion, permeable section and coupling part; Iron core is arranged in the hole of the bobbin of coil, and the upper end of iron core is set to pole-face, and the lower end of iron core is connected with the coupling part of yoke; Magnetic conduction sheet is relative with the permeable section of yoke, and is provided with certain gap between the bottom of magnetic conduction sheet and yoke coupling part; Magnet steel is contained between magnetic conduction sheet and the permeable section of yoke; Described armature is placed in the top of magnetic conduction sheet, enables armature with the top of magnetic conduction sheet for rotating shaft is rotated; The two ends of armature are relative with the pole face portion of yoke with the pole-face of iron core respectively, and when rotating to make armature, the two ends of armature can be carried out alternately switching being close between the pole-face of iron core and the pole face portion being close to yoke.
The top of described magnetic conduction sheet is provided with the card convex raised up, armature is provided with draw-in groove recessed in the horizontal direction, armature draw-in groove is engaged in the card convex at the top of magnetic conduction sheet, makes armature be placed in the top of magnetic conduction sheet, and enables armature with the top of magnetic conduction sheet for rotating shaft is rotated.
The upper end of described yoke is provided with kink, and described kink forms the pole face portion of described yoke.
Described yoke is Z-type.
The two sides of described magnet steel contact with the permeable section of magnetic conduction sheet, yoke respectively.
The two sides of described magnet steel are provided with preset gap with the permeable section of magnetic conduction sheet, yoke respectively.
One side of described magnet steel contacts with the permeable section of magnetic conduction sheet or yoke, and the another side of magnet steel is then provided with preset gap with the permeable section of yoke or magnetic conduction sheet.
A kind of Clapper-type double-magnetic circuit magnetic latching relay of the present invention, the magnetic force that magnet steel produces is mainly through two magnetic loops: first magnetic loop is from the N pole of magnet steel, through magnetic conduction sheet, armature, the air gap (hereinafter referred to as the first working gas gap) between armature and iron core pole-face, the coupling part of iron core, yoke, the permeable section of yoke, get back to the S pole of magnet steel; Second magnetic loop, from the N pole of magnet steel, through magnetic conduction sheet, armature, the air gap (hereinafter referred to as the second working gas gap) between armature and yoke pole-face, the pole face portion of yoke, the permeable section of yoke, gets back to the S pole of magnet steel.Owing to being preset with the gap much larger than working gas gap between magnetic conduction sheet and yoke coupling part, the magnetic force that therefore magnet steel produces seldom can by forming loop herein.
When relay is in release condition, there is larger air gap near between one end and iron core of iron core in armature, and therefore first magnetic loop magnetic resistance is comparatively large, and magnetic force is more weak; And second magnetic loop is in closure state, magnetic force is strong, and therefore relay can maintain release condition.
During to relay set, apply a pulse voltage to coil, the magnetic force of generation forms loop by iron core, yoke, armature and the first working gas gap, and identical with the magnetic direction of magnet steel, and the pole-face to iron core is inhaled in one end of armature.And second magnetic loop strengthens due to the second working gas gap, magnetic resistance strengthens, and magnetic force weakens.When armature is after the pole-face of one end of iron core and iron core is closed, first magnetic loop magnetic circuit is strong, still can continue to maintain closure state after removing coil activation voltage.
When relay is resetted, apply a reverse pulse voltage to coil, the magnetic force of generation forms loop by iron core, yoke, armature and the first working gas gap, and contrary with the magnetic direction of magnet steel, counteract the magnetic force of magnet steel, armature discharges under the effect of spring force.After the pole face portion of the other end and yoke that are released into armature is closed, the magnetic force of second magnetic circuit strengthens makes relay maintain release condition.
The invention has the beneficial effects as follows:
Owing to have employed, magnetic conduction sheet is located between coil and yoke, relative with the permeable section of yoke, and be provided with certain gap between the bottom of magnetic conduction sheet and yoke coupling part; Magnet steel is contained between magnetic conduction sheet and the permeable section of yoke; And described armature is placed in the top of magnetic conduction sheet, enable armature with the top of magnetic conduction sheet for rotating shaft is rotated; The two ends of armature are relative with the pole face portion of yoke with the pole-face of iron core respectively, and when rotating to make armature, the two ends of armature can be carried out alternately switching being close between the pole-face of iron core and the pole face portion being close to yoke.This structure in the asymmetric situation of magnetic circuit, can make its set and reset mode almost symmetry, thus achieves balanced type magnetic maintenance electromagnetic relay magnetic structure.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But a kind of Clapper-type double-magnetic circuit magnetic latching relay of the present invention is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of clapper-type magnetic latching relay of prior art;
Fig. 2 structural representation of the present invention;
Fig. 3 is the D structure schematic diagram of magnetic circuit part of the present invention;
Fig. 4 is D structure (the rotating an angle) schematic diagram of magnetic circuit part of the present invention;
Fig. 5 is the structural representation of magnetic circuit part of the present invention;
Fig. 6 is the D structure schematic diagram of the yoke of magnetic circuit part of the present invention;
Fig. 7 is the structural representation of magnetic circuit part of the present invention under reset mode;
Fig. 8 is the structural representation of magnetic circuit part of the present invention when applying set voltage;
Fig. 9 is the structural representation of magnetic circuit part of the present invention under SM set mode;
Figure 10 is the structural representation of magnetic circuit part of the present invention when applying resetting voltage.
Embodiment
Embodiment, see shown in Fig. 2 to Fig. 6, a kind of Clapper-type double-magnetic circuit magnetic latching relay of the present invention, comprises dynamic spring part, quiet spring part and magnetic circuit part; Dynamic spring part then comprises movable contact spring 11 and moving contact 12, and quiet spring part then comprises quiet spring 21 and fixed contact 22, and described magnetic circuit part comprises iron core 31, armature 32, yoke 33, magnet steel 34, magnetic conduction sheet 35 and coil 36; Yoke 33 comprise sequentially connect pole face portion 331, permeable section 332 and coupling part 333, and pole face portion 331, permeable section 332 and coupling part 333 are integrative-structures; Iron core 31 is arranged in the hole of the bobbin of coil, and the upper end of iron core 31 is set to pole-face, and the lower end of iron core 31 is connected with the coupling part 333 of yoke; Magnetic conduction sheet 35 is relative with the permeable section 332 of yoke, and is provided with certain gap 30 between the bottom of magnetic conduction sheet and yoke coupling part; Magnet steel 34 is contained between the permeable section 332 of magnetic conduction sheet 35 and yoke; Described armature 32 is placed in the top of magnetic conduction sheet 35, makes armature 32 can with the top of magnetic conduction sheet 35 for rotating shaft is rotated; The two ends of armature 32 are relative with the pole face portion 331 of yoke with the pole-face of iron core 31 respectively, when rotating to make armature 32, the two ends of armature 32 can be carried out alternately switching being close between the pole-face of iron core 31 and the pole face portion 331 being close to yoke, namely, when armature 32 rotates towards iron core 31 direction, one end of armature 32 can close with the pole-face of iron core 31; When armature 32 rotates towards other direction, the other end of armature 32 can close with the pole face portion 331 of yoke.
Wherein,
In the present embodiment, the both sides at the top of described magnetic conduction sheet 35 are respectively equipped with the card convex 351 raised up, the both sides of armature 32 are provided with draw-in groove 321 recessed in the horizontal direction, described armature 32 takes the top being placed on magnetic conduction sheet 35, the draw-in groove 321 of armature 32 both sides is engaged in two card convexs 351 at the top of magnetic conduction sheet respectively, make armature 32 be placed in the top of magnetic conduction sheet 35, and make armature 32 can with the top of magnetic conduction sheet 35 for rotating shaft is rotated.
The upper end of described yoke is provided with kink, and described kink forms the pole face portion 331 of described yoke.
Described yoke is Z-type.
For between magnet steel 34 and magnetic conduction sheet 35, and between the permeable section 332 of magnet steel 34 and yoke, both can be contact, also can be do not contact; Such as, Ke Yishi, the two sides of described magnet steel contact with the permeable section of magnetic conduction sheet, yoke respectively; Also can be that the two sides of described magnet steel are provided with preset gap with the permeable section of magnetic conduction sheet, yoke respectively; Can also be, one side of described magnet steel contacts with magnetic conduction sheet, and the another side of magnet steel is then provided with preset gap with the permeable section of yoke, or, one side of described magnet steel contacts with the permeable section of yoke, and the another side of magnet steel is then provided with preset gap with magnetic conduction sheet.
See shown in Fig. 7 to Figure 10, a kind of Clapper-type double-magnetic circuit magnetic latching relay of the present invention, the magnetic force that magnet steel produces is mainly through two magnetic loops: first magnetic loop A1 is from the N pole of magnet steel 34, through magnetic conduction sheet 35, armature 32, the air gap (hereinafter referred to as the first working gas gap) between armature and iron core pole-face, the coupling part 333 of iron core 31, yoke, the permeable section 332 of yoke, get back to the S pole of magnet steel 34; Second magnetic loop A2, from the N pole of magnet steel 34, through magnetic conduction sheet 35, armature 32, the air gap (hereinafter referred to as the second working gas gap) between armature and yoke pole-face, the pole face portion 331 of yoke, the permeable section 332 of yoke, gets back to the S pole of magnet steel 34.Owing to being preset with the gap much larger than working gas gap between magnetic conduction sheet and yoke coupling part, the magnetic force that therefore magnet steel produces seldom can by forming loop herein.
As shown in Figure 7, when relay is in release condition (i.e. reset mode), there is larger air gap near between one end of iron core and iron core 31 in armature 32, and therefore first magnetic loop A1 magnetic resistance is comparatively large, and magnetic force is more weak; And second magnetic loop A2 is in closure state, magnetic force is strong, and therefore relay can maintain release condition.
As shown in Figure 8, during to relay set, apply a pulse voltage to coil, the magnetic force (magnetic loop A3) of generation forms loop by iron core, yoke, armature and the first working gas gap, and identical with the magnetic direction of magnet steel 34, the pole-face to iron core 31 is inhaled in one end of armature 32.Second magnetic loop A2 strengthens due to the second working gas gap, and magnetic resistance strengthens, and magnetic force weakens.As shown in Figure 9, when armature 32 is after the pole-face of one end of iron core and iron core 31 is closed, first magnetic loop A1 magnetic circuit is strong, still can continue to maintain closure state after removing coil activation voltage.
As shown in Figure 10, when relay is resetted, a reverse pulse voltage is applied to coil, the magnetic force (magnetic loop A4) produced forms loop by iron core, yoke, armature and the first working gas gap, contrary with the magnetic direction of magnet steel 34, counteract the magnetic force of magnet steel 34 at first magnetic loop A1, armature 32 discharges under the effect of spring force.After the pole face portion of the other end and yoke that are released into armature 32 is closed, the magnetic force of second magnetic circuit A2 strengthens makes relay maintain release condition, as shown in Figure 7.
This structure of the present invention in the asymmetric situation of magnetic circuit, can make its set and reset mode almost symmetry, thus achieves balanced type magnetic maintenance electromagnetic relay magnetic structure.
Above-described embodiment is only used for further illustrating a kind of Clapper-type double-magnetic circuit magnetic latching relay of the present invention; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection range of technical solution of the present invention.
Claims (7)
1. a Clapper-type double-magnetic circuit magnetic latching relay, comprises magnetic circuit part; Described magnetic circuit part comprises iron core, armature, yoke, magnet steel, magnetic conduction sheet and coil; Yoke comprise sequentially connect pole face portion, permeable section and coupling part; Iron core is arranged in the hole of the bobbin of coil, and the upper end of iron core is set to pole-face, and the lower end of iron core is connected with the coupling part of yoke; It is characterized in that: magnetic conduction sheet is relative with the permeable section of yoke, and be provided with certain gap between the bottom of magnetic conduction sheet and yoke coupling part; Magnet steel is contained between magnetic conduction sheet and the permeable section of yoke; Described armature is placed in the top of magnetic conduction sheet, enables armature with the top of magnetic conduction sheet for rotating shaft is rotated; The two ends of armature are relative with the pole face portion of yoke with the pole-face of iron core respectively, and when rotating to make armature, the two ends of armature can be carried out alternately switching being close between the pole-face of iron core and the pole face portion being close to yoke.
2. Clapper-type double-magnetic circuit magnetic latching relay according to claim 1, it is characterized in that: the top of described magnetic conduction sheet is provided with the card convex raised up, armature is provided with draw-in groove recessed in the horizontal direction, the draw-in groove of armature is engaged in the card convex at the top of magnetic conduction sheet, make armature be placed in the top of magnetic conduction sheet, and enable armature with the top of magnetic conduction sheet for rotating shaft is rotated.
3. Clapper-type double-magnetic circuit magnetic latching relay according to claim 1 and 2, it is characterized in that: the upper end of described yoke is provided with kink, described kink forms the pole face portion of described yoke.
4. Clapper-type double-magnetic circuit magnetic latching relay according to claim 3, is characterized in that: described yoke is Z-type.
5. Clapper-type double-magnetic circuit magnetic latching relay according to claim 1, is characterized in that: the two sides of described magnet steel contact with the permeable section of magnetic conduction sheet, yoke respectively.
6. Clapper-type double-magnetic circuit magnetic latching relay according to claim 1, is characterized in that: the two sides of described magnet steel are provided with preset gap with the permeable section of magnetic conduction sheet, yoke respectively.
7. Clapper-type double-magnetic circuit magnetic latching relay according to claim 1, it is characterized in that: a side of described magnet steel contacts with the permeable section of magnetic conduction sheet or yoke, the another side of magnet steel is then provided with preset gap with the permeable section of yoke or magnetic conduction sheet.
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| CN201310378565.9A CN103489717B (en) | 2013-08-27 | 2013-08-27 | A kind of Clapper-type double-magnetic circuit magnetic latching relay |
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| CN201310378565.9A CN103489717B (en) | 2013-08-27 | 2013-08-27 | A kind of Clapper-type double-magnetic circuit magnetic latching relay |
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| CN103489717B true CN103489717B (en) | 2015-09-30 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6384777B2 (en) * | 2014-06-06 | 2018-09-05 | パナソニックＩｐマネジメント株式会社 | Switch device and load control system |
| CN105023810A (en) * | 2015-08-05 | 2015-11-04 | 哈尔滨工业大学 | Bi-stable clapping electromagnetic relay with permanent magnet |
| CN105185659B (en) * | 2015-08-05 | 2017-08-22 | 哈尔滨工业大学 | A kind of band permanent magnetism monostable clapper-type electromagnetic relay |
| CN105161371B (en) * | 2015-08-05 | 2018-04-03 | 哈尔滨工业大学 | A kind of band permanent magnetism monostable clapper-type electromagnetic relay |
| CN106057583A (en) * | 2016-07-20 | 2016-10-26 | 时代大陆机电科技（大连）有限公司 | Holding-type electromagnetic relay coil assembly |
| CN106328446A (en) * | 2016-08-31 | 2017-01-11 | 长沙中坤电气科技股份有限公司 | Magnetic latching relay, magnetic circuit structure and work method thereof |
| CN109830408B (en) * | 2019-03-29 | 2023-11-10 | 安徽吉控电器有限公司 | Magnetic latching relay |
| CN110853946B (en) * | 2019-11-06 | 2020-10-27 | 西安交通大学 | Double-magnetic-circuit direct-acting low-power-consumption permanent magnet brake-separating power-assisted electromagnetic mechanism |
| CN112131772B (en) * | 2020-09-29 | 2022-05-10 | 哈尔滨工业大学 | Simulation method of non-magnetic conductive layer applied to static characteristic simulation of magnetic latching relay |
| CN112614745B (en) * | 2020-12-31 | 2022-04-26 | 华中科技大学 | Rotary electromagnetic relay suitable for magnetic field environment |
| WO2023035151A1 (en) * | 2021-09-08 | 2023-03-16 | 沈阳铁路信号有限责任公司 | Monostable clapper relay having permanent magnet |
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| CN102103943A (en) * | 2009-12-17 | 2011-06-22 | 厦门宏发电声股份有限公司 | Magnetic latching relay with novel magnetic circuit |
| 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 |
| CN102881520A (en) * | 2012-09-21 | 2013-01-16 | 郏威栋 | Magnetic latching bistable state mechanism for clapper type relay |
| CN203445069U (en) * | 2013-08-27 | 2014-02-19 | 厦门宏发电声股份有限公司 | Clapper-type double magnetic circuit magnetic latching relay |
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