CN107305826A - A kind of bistable state driver for polarity electromagnetic relay - Google Patents
A kind of bistable state driver for polarity electromagnetic relay Download PDFInfo
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- CN107305826A CN107305826A CN201710241488.0A CN201710241488A CN107305826A CN 107305826 A CN107305826 A CN 107305826A CN 201710241488 A CN201710241488 A CN 201710241488A CN 107305826 A CN107305826 A CN 107305826A
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- Prior art keywords
- outer supporting
- magnetic core
- leg
- supporting leg
- supporting legs
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/27—Relays with armature having two stable magnetic states and operated by change from one state to the other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
- H01H50/42—Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention relates to a kind of bistable state driver for polarity electromagnetic relay, including yoke (1), swing armature (5) and two excitation coils (6a, 6b);The yoke (1) includes magnetic core main body (8), is located at two outer supporting leg (2a at magnetic core main body (8) two ends respectively, 2b), the centre leg (13) between two outer supporting legs (2a, 2b), so as to form two magnetic loops by described two outer supporting legs (2a, 2b) respectively, described two excitation coils (6a, 6b) cover respectively is set to described two magnetic loops;The swing armature (5) can swing towards described two outer supporting legs (2a, 2b) respectively in the centre leg (13), described two outer supporting leg (2a, pole-face (7a 2b), it is 7b) different to swinging the working gas gap thickness of armature (5), so as to realize the asymmetry effect power to swinging armature (5).
Description
【Technical field】
The present invention relates to a kind of bistable state driver for polarity electromagnetic relay, be particularly suitable for use in conduction and conversion height
The miniature relay of steady load electric current, for example, the disconnecting relay of the intelligent electric energy meter within being exchanged for 120A/230V
In.
【Background technology】
The B4 of DE 10 2,010 017 874 disclose a kind of bistable with polarized magnetic circuit and multiple operation air gap
State excitation driver, it includes symmetrically arranged two outer supporting legs, and excitation coil is provided with each outer supporting leg.By wherein
Set extra excitation coil on one outer supporting leg to increase the attraction to swinging armature, to realize asymmetric trigger force.
This kind of scenario-frame complexity, volume is larger.
Bistable state excitation driver disclosed in the A of DE 21 48 377 between permanent magnet and swing armature by setting not
Symmetrical magnetic conduction sheet realizes asymmetric trigger force.This kind of scheme is probably because the reason such as manufacturing tolerance becomes monostable excitation drive
Dynamic device.
Bistable state excitation driver disclosed in the A1 of DE 195 44 520 between permanent magnet and swing armature by setting
Asymmetric non-magnetic barrier foil realizes asymmetric trigger force.In this kind of scheme, barrier foil may be hit by swing armature
So as to produce damping effect.
Bistable state excitation driver disclosed in the A2 of EP 1 081 733 is realized asymmetric by asymmetric swing armature
Trigger force.One alar part of the lines is wider, and another alar part is narrower.Narrower alar part is easy to magnetic saturation.
Therefore, bistable state excitation driver a kind of improved and that asymmetric trigger force can be realized is needed badly.
【The content of the invention】
It is an object of the present invention to provide it is a kind of have simplify structure and can realize the bistable state of asymmetric trigger force
Excitation driver.
A kind of bistable state driver of small polarization electromagnetic relay carried available for high current provided by the present invention,
Including E shapes yoke, it is installed to two excitation coils of yoke, is energized the swing armature of coil drive.The E shapes yoke has
Magnetic core main body, the two outer supporting legs and a center branch between two outer supporting legs for being located at magnetic core main body two ends respectively
Leg, centre leg has flat permanent magnetic body or individually formed by permanent magnet, E shapes yoke be used for by permanent magnetism flux be applied on
On the swing armature that centre leg is rotated.Described two excitation coils are located at centre leg both sides and cut for being provided for swing armature
Change pulse.The pole-face of two outer supporting legs of E shape yokes is different to the working gas gap thickness for swinging armature, therefore can realize and make a reservation for
Asymmetry, make one of them outer supporting leg to swing armature have bigger pulling force.
Armature is swung always to be in contact with one of those outer supporting leg in switching position.One of them outer supporting leg is with swinging
The working gas gap of armature is thinner, so that with smaller magnetic resistance, so as to have bigger attraction to swinging armature.The present invention exists
The switch line of asymmetry is achieved that in the case of not needing additional component (such as magnetic conduction sheet, barrier foil, regulation spring)
For, and the rebound effect of contact component is reduced, it can rapidly realize switch and reduce contact loss.Each switching position
Can be by permanent magnet be come attracting holding.
As a preferred embodiment of the present invention, one of them outer supporting leg is than another outer supporting leg closer to centre leg.
The main body of two outer supporting legs has identical or different cross section.
As a preferred embodiment of the present invention, the end of one of them outer supporting leg has towards prolonging that centre leg is stretched out
Extending portion, so that with the bigger pole-face for extending expansion towards centre leg.
As a preferred embodiment of the present invention, the pole-face of two outer supporting legs is asymmetrical relative to one another, two outer supporting legs it is transversal
Face is different.
As a preferred embodiment of the present invention, the pole-face of outer supporting leg and the pole-face of centre leg are flushed, and swing electricity
Pivot is V-arrangement slightly, the scope of preferably 150 to 175 degree, the scope of more preferably 160 to 170 degree.This to swing the double of armature
The wing can completely attach to the horizontal pole-face of outer supporting leg.
As a preferred embodiment of the present invention, the pole-face of outer supporting leg can be less than the pole-face of center leg, and outer supporting leg
Pole-face have extend downwardly and outwardly inclined inclined-plane so that swing armature double-vane shelve in outer supporting leg with completely attaching to
Pole-face on, so as to increase the contact area for swinging armature and centre leg.
As a preferred embodiment of the present invention, the pole-face inward flange of outer supporting leg is straight and parallel to swing armature
Axis of oscillation, compared with circular inward flange, the design improves the characteristic of magnetic flux.
As a preferred embodiment of the present invention, the pole-face of pole-face supporting leg outer than another of one of them outer supporting leg is more leaned on
Nearly centre leg, is easier to be switched to open position from closed position so that swinging armature.
As a preferred embodiment of the present invention, the pole-face of pole-face supporting leg outer than another of one of them outer supporting leg is farther
From centre leg, it is easier to be switched to closed position from open position so that swinging armature.
As a preferred embodiment of the present invention, the magnetic core of E shape yokes is by one or several bending member groups being stamped and formed out
Into being either made up of one or more cold-worked parts or formed by one or more identicals cutting sheet metal is stacked.
As a preferred embodiment of the present invention, described two excitation coils cover respectively is set to two outer supporting legs, and two are swashed
Encourage parallel to each other between coil.
As a preferred embodiment of the present invention, described two excitation coils are installed to magnetic core main body, and are located at two respectively
Between individual outer supporting leg and centre leg.
As a preferred embodiment of the present invention, two excitation coils separately pass through DC pulse or half-sinusoid
Driving.
As a preferred embodiment of the present invention, two excitation coils are connected into a coil, by DC pulse or just
String half-wave driven.
As a preferred embodiment of the present invention, the electromagnetic force of one of excitation coil is better than another excitation coil
Electromagnetic force, to strengthen the asymmetric behavior of driver.
【Brief description of the drawings】
The present invention is described in detail below in conjunction with by embodiment and Figure of description.
In accompanying drawing:
Fig. 1 shows the driver with angled swing armature in explosive view mode,
Fig. 2 shows the front view of the driver after removal excitation coil in Fig. 1,
Fig. 3 for the improved magnetic core of another embodiment front view,
Fig. 4 shows the driver with straight swing armature in explosive view mode,
Fig. 5 shows the driver with detachable magnetic core.
In above-mentioned accompanying drawing, the component names that each numeral mark is represented are as follows:
1 yoke;The outer supporting leg of 2a, 2b;3 support bases;4 permanent magnets;5 swing armature;6a, 6b excitation coil;7a, 7b pole-face;8
Magnetic core main body;11 magnetic cores;13 centre legs;Clear distance between the pole-face and centre leg of the outer supporting leg of a, b;La, Lb work gas
Gap;Fm1, Fm2 magnetic force;S swings the axis of oscillation of armature.
【Embodiment】
The invention will be further described with reference to the accompanying drawings and examples.
Bistable state driver shown in Fig. 1 include E shapes yoke 1, two excitation coils 6a, 6b being installed to yoke 1 and
It is energized the swing armature 5 of coil 6a, 6b driving.Yoke 1 include magnetic core 11 and permanent magnet 4, magnetic core 11 include magnetic core main body 8,
The support base 3 and two outer supporting leg 2a, 2b positioned at the both sides of support base 3 stretched out from magnetic core main body 8.Permanent magnet 4 is by support base 3
Support is so as to form centre leg 13.Outer supporting leg 2a, 2b respectively from centre leg 13 have different clear distance a and b, and this two
Individual outer supporting leg 2a, 2b body cross-section product are also different.Narrower outer supporting leg 2a to the clear distance a of centre leg 13 is less than wider
Outer supporting leg 2b to centre leg 13 clear distance b.Three supporting leg 2a, 2b, 13 end faces away from magnetic core main body 8 of magnetic core 11 are
Pole-face.Three supporting leg 2a, 2b, 3 are cuboid from magnetic core main body 8 to the main part of their pole-face.Therefore, outer supporting leg 2a is arrived
The clear distance a of centre leg 13 is equal to outer supporting leg 2a pole-face 7a to the clear distance of centre leg 13, outer supporting leg 2b to center branch
The clear distance b of leg 13 is equal to outer supporting leg 2b pole-face 7b to the clear distance of centre leg 13.
Less excitation coil 6a is set on narrower outer supporting leg 2a, and larger excitation coil 6b is set in wider outer
On supporting leg 2b.The upper end of support base 3 is the permanent magnet 4 with same lateral size.The top surface of permanent magnet 4 and outer supporting leg after assembling
2a, 2b pole-face 7a, 7b alignment.The support of permanent magnet 4 swings armature 5, and two alar parts for swinging armature 5 form slight V-arrangement simultaneously
With the size fit of magnetic core 11, the V-arrangement angle of two 150 degree to 175 degree of alar part formation, preferably 160 degree to 170 degree of V-arrangement angle.
In the present embodiment, the swing armature alar part above outer supporting leg 2b is than the swing armature alar part above outer supporting leg 2a
It is long.The spine for swinging armature 5 can be directly by the central supported of permanent magnet 4, or is drawn by the housing (not shown) of driver
Lead and support.In the embodiment shown in fig. 1, the magnetic flux of two shunt circuits is two outer supporting leg 2a, and 2b pole-face is in
The function of the clear spacing a, b of heart supporting leg 13 function and excitation coil 6a, 6b of two alternative excitations.
Fig. 2 is the front view after excitation coil 6a, 6b is removed of driver shown in Fig. 1.It can be seen that, two outer supporting legs
2a, 2b are separated with different clear distance a, b and centre leg 13 respectively.Clear distance a is less than clear distance b.Support base 4 supports forever
Magnet 4, the top surface of permanent magnet 4 aligns with two pole-faces 7a, 7b.Swing armature 5 straight by permanent magnet 4 in axis of oscillation S position
Support is connect, the position that armature 5 is located at neutral equilibrium is swung shown in Fig. 2, however, swinging armature 5 in actual relay operation
The position will not be rested on, because swinging armature 5 always contacts outer supporting leg 2a or outer supporting leg 2b, that is, two position of the switch
One of position, this is the result that any one bistable switch position is acted on by permanent magnetic.Because outer supporting leg 2a is to center
The clear distance a of supporting leg 13 be less than outer supporting leg 2b to centre leg 13 clear distance b, beyond supporting leg 2a working gas gap La thickness
Less than the control air gap Lb thickness with outer supporting leg 2b.
It is identical that V-arrangement swings swing angle of the armature 5 towards both sides.Outer supporting leg 2a than outer supporting leg 2b closer to swing armature 5
Axis of oscillation S, outer supporting leg 2a working gas gap La it is smaller than outer supporting leg 2b working gas gap Lb.Because working gas gap La magnetic
The magnetic resistance hindered than working gas gap Lb is smaller, so magnetic flux is more at through working gas gap La magnetic flux ratio through working gas gap Lb.
This generates asymmetric drawing effect, device is contacted available for triggering.
As shown in figure 3, in an alternative embodiment of the invention, magnetic core 11 is integral type.One outer supporting leg 2a of magnetic core 11
Than another outer supporting leg 2b closer to centre leg 13.Outer supporting leg 2a top also has the extension stretched out towards centre leg 13
Portion, so that outer supporting leg 2a has the pole-face 7a for extending increase towards centre leg 13, causes between pole-face 7a and centre leg 13
Clear distance a be significantly less than clear distance b between outer supporting leg 2b pole-face 7b and centre leg 13.Therefore, have in excitation coil
When having identical quantity coil, the V-arrangement on axis of oscillation S swings armature (not shown) by because outer supporting leg 2a work
Acting air gap is smaller and is pulled to outer supporting leg 2a.
Fig. 4 is the exploded perspective view for the driver that another embodiment is provided.The driver has the magnetic core 11 of integral type
And straight swing armature 5.Looked over from the magnetic core main body 8 of magnetic core 11, left outside supporting leg 2a cross section is less than right outer supporting leg
2b cross section, the left outside supporting leg 2a and clear distance a of centre leg 13 is less than right outer supporting leg 2b and the clear distance b of centre leg 13.
Therefore, right outer supporting leg 2b can load various sizes of excitation coil 6b and holding and left side excitation coil 6a magnetomotive force phase
Together.Preferably, the excitation coil that left outside supporting leg 2a is arranged has bigger size.Permanent magnet 4 is installed to support base 3, permanent magnet 4
Corner be all located at outer supporting leg 2a, 2b top.Swing armature 5 to be installed on permanent magnet 4, and can be swung on axis of oscillation S,
Until it is shelved on outer supporting leg 2a pole-face 7a or outer supporting legs 2b pole-face 7b.Magnetic pole strength 7a, 7b inward flange be it is straight and
And parallel to the axis of oscillation for swinging armature 5, horizontal swing armature 5 is abutted in completely attaching on pole-face 7a, 7b,
So that arriving for magnetic flux characteristic improves.
The top surface of permanent magnet 4 has two inclined-planes 4a and 4b, two inclined-plane 4a and 4b formation inverted V-shapeds.Inclined-plane 4a and pole-face
7a is coplanar, and inclined-plane 4b and pole-face 7b are coplanar.
Fig. 5 shows another embodiment of the present invention.In the present embodiment, magnetic core 11 includes two parts, wherein, magnetic core
It is another part that main body 8 and supporting leg 2b outside right side, which constitutes supporting leg 2a outside a part, left side,.Centre leg 13 is by being installed to magnetic
The permanent magnet 4 of core main body 8 is formed, and permanent magnet 4 extends to pole-face 7a with outer supporting leg 2a, outer supporting leg 2b pole from magnetic core main body 8
Position concordant face 7b.Outer supporting leg 2a, 2b end face all have the extension stretched out towards centre leg 13, so as to have respectively
Pole-face 7a, the 7b expanded towards centre leg 13.
Because magnetic core 11 includes two parts, before the completion of magnetic core 11 by two excitation coils 6a, 6b sequentially
It is assemblied in magnetic core main body 8.The spacing of outer supporting leg 2a, 2b main part to centre leg 13 is identical, outer supporting leg 2a, 2b main part
Cross dimension is also identical.But, pole-face 7a, 7b is of different sizes, and makes centre leg 13 and pole that permanent magnet 4 is formed
Face 7a clear distance a is more than centre leg 13 and pole-face 7b clear distance b.Excitation coil 6a therefore, in two equivalent sizes,
In the case of 6b, because working gas gap is different, the pulling force that outer supporting leg 2b swings armature 5 to V-arrangement is bigger, during above in conjunction with Fig. 1
Through elaborating the principle of correlation, this is not repeated.In the present embodiment, two excitation coils 6a, 6b are wound along common direction of winding.
If two excitation coils 6a, the 6b are connected in series, armature 5 can will be swung from a position by changing the polarity of driving pulse
Put and be switched to another position.If excitation coil 6a, 6b can be operated alone, then swing the switching direction of armature 5 with it is each
The direction of winding of excitation coil, energization direction are relevant.The magnetic of permanent magnet 4 because excitation coil 6a, 6b magnetic flux can be added to
Flux.Therefore, magnetic flux of the permanent magnet 4 in E shapes magnetic core 11 may be weakened or strengthen, and be triggered until swinging armature 5.It is excellent
Selection of land is for the former, because the more efficient energy-conservation of the program.In the present embodiment reference is used as there is provided related size.The magnetic assembled
The size of core 11 is less than 10 millimeters × 10 millimeters × 24 millimeters.The magnetic core 11 by it is one or more punching and bending formed
Part or one or more cold-worked parts composition, the iron core of the magnetic core 11 can be also made up of the stacking of some laminations.As magnetic core 11 by
Some laminations are stacked form in the case of, the thickness of each metallic laminations is 0.5 millimeter, and tolerance is +/- 0.05mm.Each direct current
Trigger pulse is several milliseconds of duration, and required trigger pulse can be obtained from the half-sinusoid of ac voltage power supply.
In the present invention, described two excitation coil 6a, 6b is located at centre leg both sides and is used to provide switching to swing armature
Pulse.The pole-face of two outer supporting legs of E shape yokes is different to the working gas gap thickness for swinging armature, therefore can realize predetermined
Asymmetry, makes one of them outer supporting leg have bigger pulling force to swinging armature.The present invention without extra excitation coil with
And calibration and then the switching behavior for realizing asymmetry, save the extra charge of other assemblies.
Armature is swung always to be in contact with one of those outer supporting leg in switching position.One of them outer supporting leg is with swinging
The working gas gap of armature is thinner, so that with smaller magnetic resistance, so as to have bigger attraction to swinging armature.The present invention exists
The switch line of asymmetry is achieved that in the case of not needing additional component (such as magnetic conduction sheet, barrier foil, regulation spring)
For, and the rebound effect of contact component is reduced, it can rapidly realize switch and reduce contact loss.Each switching position
Can be by permanent magnet be come attracting holding.
Above example only expresses the preferred embodiment of the present invention, and it describes more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, it is such as special to the difference in each embodiment
Levy and be combined, these belong to protection scope of the present invention.
Claims (22)
1. a kind of bistable state driver for polarity electromagnetic relay, including yoke (1), swing armature (5) and two excitations
Coil (6a, 6b);It is characterized in that:
The yoke (1) include magnetic core main body (8), respectively positioned at two of magnetic core main body (8) two ends outer supporting legs (2a,
2b), the centre leg (13) between two outer supporting legs (2a, 2b);The centre leg (13) is including permanent magnet (4) or only
Constituted by stating permanent magnet (4), so that two magnetic loops are formed by described two outer supporting legs (2a, 2b) respectively, it is described two to swash
Encourage coil (6a, 6b) and cover respectively and be set to described two magnetic loops;
The pole-face (7a, 7b) of described two outer supporting legs (2a, 2b) respectively with the distance between the centre leg (13) difference.
2. bistable state driver according to claim 1, it is characterised in that:In described two outer supporting legs (2a, 2b), wherein
One outer supporting leg is than another outer supporting leg closer to the centre leg (13).
3. bistable state driver according to claim 1, it is characterised in that:In described two outer supporting legs (2a, 2b), at least
The end of one of them outer supporting leg has pole-face that is horizontally extending or reducing.
4. bistable state driver according to claim 1, it is characterised in that:In described two outer supporting legs (2a, 2b), wherein
One outer supporting leg has bigger cross section than another outer supporting leg.
5. bistable state driver according to claim 1, it is characterised in that:The pole-face of described two outer supporting legs (2a, 2b)
(7a, 7b) and the pole-face of the centre leg (13) are concordant and coplanar, the two alar parts formation V-arrangement for swinging armature (5).
6. bistable state driver according to claim 5, it is characterised in that:The angle of the V-arrangement is at 150 degree to 175 degree
Between.
7. bistable state driver according to claim 1, it is characterised in that:The pole-face of the centre leg (13) has two
Individual inclined-plane (4a, 4b), described two inclined-planes (4a, 4b) are respectively facing described two outer supporting leg (2a, 2b) extensions and tilted down,
The swing armature (5) is flat type.
8. bistable state driver according to claim 7, it is characterised in that:The pole-face of described two outer supporting legs (2a, 2b)
(7a, 7b) is coplanar with described two inclined-planes (4a, 4b) respectively.
9. bistable state driver according to claim 1, it is characterised in that:The yoke (1) includes magnetic core (11), described
Magnetic core (11) by it is one or more punching and bending form part or one or more cold-worked parts are constituted.
10. bistable state driver according to claim 1, it is characterised in that:The yoke (1) includes magnetic core (11), institute
The iron core for stating magnetic core (11) is made up of the stacking of some laminations.
11. bistable state driver according to claim 1, it is characterised in that:Described two excitation coils (6a, 6b) are respectively
It is set on described two outer supporting legs (2a, 2b), or is set in the magnetic core main body (8) and is located at described two outer supporting legs respectively
Between (2a, 2b) and the centre leg (13).
12. bistable state driver according to claim 11, it is characterised in that:Described two excitation coils (6a, 6b) point
It is not driven by DC pulse or half-sinusoid.
13. bistable state driver according to claim 11, it is characterised in that:Described two excitation coils (6a, 6b) are
Series coil, and driven jointly by DC pulse or half-sinusoid.
14. bistable state driver according to claim 1, it is characterised in that:In described two excitation coils (6a, 6b),
The electromagnetic force of one of excitation coil is better than the electromagnetic force of another excitation coil.
15. bistable state driver according to claim 1, it is characterised in that:The yoke (1) includes magnetic core (11), institute
State magnetic core (11) to be formed by connecting by two parts, one of part constitutes the magnetic core main body (8) and one of them outer branch
Leg, another part constitutes another outer supporting leg.
16. a kind of yoke (1) of bistable state driver for polarity electromagnetic relay, including magnetic core main body (8), it is located at respectively
Two outer supporting legs (2a, 2b) at magnetic core main body (8) two ends, the centre leg between two outer supporting legs (2a, 2b)
(13), so as to form two magnetic loops by described two outer supporting legs (2a, 2b) respectively, described two outer supporting legs (2a, 2b)
Pole-face (7a, 7b) respectively with the distance between the centre leg (13) difference.
17. yoke according to claim 16, it is characterised in that:In described two outer supporting legs (2a, 2b), outside one of them
Supporting leg is than another outer supporting leg closer to the centre leg (13).
18. yoke according to claim 16, it is characterised in that:It is at least one of in described two outer supporting legs (2a, 2b)
The end of individual outer supporting leg has pole-face that is horizontally extending or reducing.
19. yoke according to claim 16, it is characterised in that:In described two outer supporting legs (2a, 2b), outside one of them
Supporting leg has bigger cross section than another outer supporting leg.
20. yoke according to claim 16, it is characterised in that:The yoke (1) includes magnetic core (11), the magnetic core
(11) by it is one or more punching and bending form part or one or more cold-worked parts are constituted.
21. yoke according to claim 16, it is characterised in that:The yoke (1) includes magnetic core (11), the magnetic core
(11) iron core is made up of the stacking of some laminations.
22. yoke according to claim 16, it is characterised in that:The yoke (1) includes magnetic core (11), the magnetic core
(11) it is formed by connecting by two parts, one of part constitutes the magnetic core main body (8) and one of them outer supporting leg, another
Individual part constitutes another outer supporting leg.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016107410.1A DE102016107410A1 (en) | 2016-04-21 | 2016-04-21 | Bistable actuator for a polarized electromagnetic relay |
DE102016107410.1 | 2016-04-21 |
Publications (1)
Publication Number | Publication Date |
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CN107305826A true CN107305826A (en) | 2017-10-31 |
Family
ID=60021227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710241488.0A Pending CN107305826A (en) | 2016-04-21 | 2017-04-13 | A kind of bistable state driver for polarity electromagnetic relay |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN107305826A (en) |
DE (1) | DE102016107410A1 (en) |
FR (1) | FR3050568B1 (en) |
Families Citing this family (1)
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DE102022116459A1 (en) | 2022-07-01 | 2024-01-04 | Rapa Automotive Gmbh & Co. Kg | BISTABLE ACTUATOR WITH CENTER YOKE |
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- 2016-04-21 DE DE102016107410.1A patent/DE102016107410A1/en not_active Ceased
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CN1320935A (en) * | 2000-03-28 | 2001-11-07 | 松下电工株式会社 | Electromagnetic drive device and electromagnetic relay |
CN1881507A (en) * | 2005-06-14 | 2006-12-20 | 厦门宏发电声有限公司 | Magnetic circuit of electromagnetic relay and its working method |
CN101527225A (en) * | 2008-03-06 | 2009-09-09 | 贵州航天电器股份有限公司 | Unipolar permenant-magnet excitation bi-stable electromagnetic system of relay |
CN102859618A (en) * | 2010-04-21 | 2013-01-02 | 约翰逊电动德累斯顿有限公司 | Bistable magnetic actuator |
CN105023805A (en) * | 2015-07-21 | 2015-11-04 | 哈尔滨工业大学 | Novel permanent magnetic loop return-type electromagnetic structure |
Also Published As
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FR3050568B1 (en) | 2019-12-27 |
FR3050568A1 (en) | 2017-10-27 |
DE102016107410A1 (en) | 2017-10-26 |
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