EP2686853B1 - Dispositif actionneur électromagnétique - Google Patents

Dispositif actionneur électromagnétique Download PDF

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Publication number
EP2686853B1
EP2686853B1 EP12714594.4A EP12714594A EP2686853B1 EP 2686853 B1 EP2686853 B1 EP 2686853B1 EP 12714594 A EP12714594 A EP 12714594A EP 2686853 B1 EP2686853 B1 EP 2686853B1
Authority
EP
European Patent Office
Prior art keywords
yoke
armature
unit
section
flux
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP12714594.4A
Other languages
German (de)
English (en)
Other versions
EP2686853A1 (fr
Inventor
Raphael BORY
Jonas BOLL
Daniela HÄRTER
Robert STEYER
Philipp TERHORST
Thomas Schiepp
Markus Laufenberg
Oliver Thode
Viktor Raff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETO Magnetic GmbH
Original Assignee
ETO Magnetic GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETO Magnetic GmbH filed Critical ETO Magnetic GmbH
Priority to EP17165459.3A priority Critical patent/EP3211645A1/fr
Publication of EP2686853A1 publication Critical patent/EP2686853A1/fr
Application granted granted Critical
Publication of EP2686853B1 publication Critical patent/EP2686853B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions

Definitions

  • the present invention relates to an electromagnetic actuator device according to the preamble of the main claim.
  • Such a device is for example from the JP 2000 170951 A is known and relates to an electromagnetic actuator device for implementing a 3-way valve, in which, in departure from the usual and beyond known as vortex actuator technologies, the coil winding does not surround the armature (or the associated working air gap), but the coil winding, in the Type of "outsourced coil” is offset laterally relative to an armature movement longitudinal axis (or an associated air gap) and a magnetic flux transfer to the armature unit or to the air gap by means of suitable flux-conducting portions of the yoke.
  • JP 2000 170951 A in a very special technical context, which in particular makes a transfer to other, generic actuating tasks (or else to other valve drives) only possible to a very limited extent.
  • the known from this prior art device requires a not inconsiderable space, in addition, a heat dissipation from the known device is not without problems.
  • the DE 20 2008 015980 U1 the applicant and the EP1 288 487 A2 and the DE 101 46 899 A1 each disclosing an electromagnetic actuator device according to the preamble of claim 1. Further electromagnetic actuator devices are in US4633209 and DE 20 2008 015 303 U1 disclosed.
  • Object of the present invention is therefore to provide an electromagnetic actuator according to the preamble of the main claim, wherein a Bestrombare coil unit encloses a first yoke portion of a stationary yoke unit and relative to the yoke unit movably guided, cooperating with a control partner and drivable for performing an actuating armature anchor second yoke portions of the yoke unit to form working air gaps cooperate, with regard to to improve a more compact, in particular also more flexible, mechanical realization, in particular to be able to separate the coil unit from the working air gap, and to create the possibility of realizing improved heat dissipation or localized heat (and thus less concentrated on one location) let develop.
  • the object is achieved by the electromagnetic actuator device having the features of the main claim; advantageous developments of the invention are described in the subclaims.
  • the working air gaps are formed outside the first yoke section, that is to say they are not enclosed by a coil unit (which is typically cylindrical or rectangular in design), but laterally displaced in the sense discussed above.
  • a magnetic flux resistance of flux guide is at least one of the magnetic flux circuits in response to a flowing therein magnetic flux variable.
  • presetting or predetermined influencing of the movement behavior of the plurality of anchor units is to design the air gaps differently (in each case based on a predetermined, comparable anchor position, for example a stop position of the anchor units).
  • Another way to influence the switching or movement behavior of a respective armature unit of the anchor means is to associate this armature spring means or the like power storage and about further education to store one or more of the armature units against a restoring force of such a spring or lead (where in turn further education by different configurations such as the spring forces then the respective switching or movement behavior of the associated anchor units can be influenced in a predetermined manner).
  • the electromagnetic actuator device according to the invention is indeed preferably for the realization of hydraulic or pneumatic valve solutions, especially in the vehicle sector, but is not limited to these applications.
  • the present invention can be used favorably and suitably configured for virtually any field of application in which structural or spatial flexibility can be used in conjunction with flexibly configurable magnetic flux guides or flow paths within the respective flux guide circuits.
  • the Fig. 1 illustrates in the schematic longitudinal sectional view of an electromagnetic actuator device for driving two anchor units 10, 12 by means of a common, centrally located (centrally) between them on a yoke section 13 coil unit 14. More specifically, as schematically with reference to the graph of Fig. 1 recognizable, the elongated armature units 10 and 12 shown axially movably guided (in a movement and drive direction perpendicular in the plane), wherein the armature units 10 and 12 cooperate with stationary yoke sections 15 and 16 and, for the realization thereof, together by the coil unit 14 extending flow control circuits, which are guided over flow-conducting connection sections 18 to 24. Accordingly arise for the anchor units 10 and 12 effective air gaps 26 and 28 respectively.
  • the Fig. 2 to 4 illustrate various operating conditions in response to energization of the coil unit 14: So shows about the Fig. 3 two flow paths in the flux guide circuits running through the respective armatures 10 and 12, respectively, on the basis of the arrowheads 30 and 32, these magnetic fluxes flowing through the yoke section 13 ("first yoke section") associated with the coil unit 14, as symbolized by the arrowhead 34. Is against it, as in the Fig. 2 As shown by a shortened air gap 28, an effective flow resistance in the right flow circuit (ie relative to the armature unit 12) is reduced relative to the other branch, the magnetic flux concentrates as indicated by the arrowhead 36 in FIG Fig.
  • a first variant illustrates the Fig. 5 in the perspective view: on both sides of an axially movable armature 40 and a stationary yoke portion 42 having central arrangement, a pair of individual coils 44 and 46 is provided such that armature 40 and stator 42 are framed on both sides of the individual coils 44, 46.
  • a magnetic flux (resulting when the coils are energized) of the coils 44 and 46, respectively, is fed into the armature 40 or the stator 42 via common elongated plate-shaped flux conducting elements 48 and 50, the elements 48 and 50 additionally being used for a mechanical connection the overall arrangement (with an outlet opening 52 for the anchor unit) provide.
  • two flux guide circuits are formed, wherein a respective one of the flux circuits runs through one of the individual coils 44 and 46 and both flux circuits then flow together through the armature-stator arrangement 40, 42 (insofar the flow path corresponds analogously of the Fig. 3 but with a provision of a central armature-stator arrangement and two external individual coils).
  • This basic configuration of the Fig. 5 is, however, not limited to two individual coils, nor about the symmetrical arrangement shown; Rather, by varying the geometry of the elements 48, 50, a change in distance it can also, as in the Fig. 6 to 8 illustrates, compared to the elongated elements 48, 50 suitably kinked configuration are present, or it can be provided around one (or even more) common armature-stator assembly (s) around more than two individual coils: So describes about the Fig. 6 in plan view, a variation of the elements 48 and 50, such that now two legs 54, 56, angled away from each other by an angle 58 of about 135 °, extend and end, compare Fig.
  • FIG. 7 A comparison arrangement of the presupposed as known, traditional type in the representation of Fig. 7 illustrates the resulting installation space or geometry advantage: namely, in order to produce a magnetic flux behavior comparable to the pair of individual coils 44, 46, a single coil of a winding cross-section 60, as in FIG Fig. 7 indicated to be present, but possibly in a limited installation space (adapted to the configuration of Fig. 6, 8 ) not possible.
  • a further advantage of the example with a plurality of individual coils provided adjacent to an armature-stator arrangement with an adding or overlapping flow profile, such as in FIG Fig. 5 respectively. 6 and 8 shown, is that possible lateral forces are reduced (to the anchor) compared to a solution with only one adjacent the anchor unit outsourced coil (as far as a mutual compensation takes place, see for example the flowchart of Fig. 3 in analogous application to an arrangement with two external individual coils).
  • a reduction of the lateral forces on the anchor has a favorable effect on wear and therefore an effective service life.
  • the present invention allows numerous practical advantages: For example, arranging the anchor means in a use as a valve offers much more flexible connection possibilities in the configuration according to the invention adjacent to the coil unit for example, compared to the known state of the art, in which typically the elongated armature unit is surrounded by the coil unit (typically cylindrical-radial). Accordingly, the working air gap can be made more flexible (and suitable for a particular application).
  • advantageous is provided adapted to respective installation and room conditions, not to provide the cylindrical winding, but to provide approximately rectangular or other coil cross-sections. This is especially true in cooperation with flux-conducting elements, which are realized by means of (typically produced by punching) sheets and further advantageously present in suitable stacking configurations.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)

Claims (9)

  1. Dispositif actionneur électromagnétique avec .
    - une unité de bobine (14), laquelle entoure un premier segment de culasse (13) d'une unité de culasse stationnaire du dispositif actionneur et laquelle peut être activée par l'intermédiaire d'une application de courant ; et avec
    - des moyens formant induits (10, 12), lesquels sont guidés de manière mobile par rapport à l'unité de culasse, lesquels peuvent être entraînés en vue de la réalisation d'un mouvement de réglage et lesquels interagissent avec un partenaire de réglage qui se trouve du côté de la sortie ; dans lequel les moyens formant induits interagissent avec des deuxièmes segments de culasse (15, 16) de l'unité de culasse en vue de former des entrefers (26, 28) pour un flux magnétique produit par l'intermédiaire de l'unité de bobine activée ; caractérisé en ce que les moyens formant induits sont prévus pour être situés de manière adjacente, de manière radiale sur le côté extérieur, à une gaine externe de l'unité de bobine, de manière à ce qu'une pluralité des deuxièmes segments de culasse (15, 16), lesquels sont destinés à interagir avec une pluralité d'unités d'induit (10, 12) des moyens formant induits, lesquelles sont guidées de manière mobile, séparément les unes des autres, est conçue de telle sorte qu'il en résulte une pluralité de circuits magnétiques de conductance directe dans l'unité de culasse, en formant une pluralité d'entrefers, lesquels sont associés à une unité d'induit respective et lesquels sont formés et situés de manière adjacente, de manière radiale sur le côté extérieur, à la gaine externe, à l'extérieur du premier segment de culasse, depuis l'unité d'induit respective jusqu'au segment de culasse respectif des deuxièmes segments de culasse ; selon lequel chacun des circuits de conductance directe s'étend en passant à travers le premier segment de culasse, le segment de culasse respectif des deuxièmes segments de culasse, l'unité d'induit respective des unités d'induit, ainsi qu'en passant à travers l'entrefer respectif des entrefers ; et dans lequel une variation de l'entrefer respectif des entrefers, laquelle variation est conditionnée par une position de réglage et/ou un déplacement d'une unité d'induit qui lui est associée, provoque une variation du flux dans un circuit de conductance directe d'une autre des unités d'induit.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'unité de culasse présente des moyens de conductance directe conçus de telle sorte que leur résistance magnétique au flux est variable, en particulier par la formation d'une section transversale de flux prédéterminée, efficace de manière maximale, en particulier leur résistance magnétique au flux s'accroît au-dessus d'une valeur de seuil déterminée par la section transversale de flux.
  3. Dispositif selon la revendication 2, caractérisé en ce que les moyens de conductance directe, lesquels sont réalisés à partir d'un matériau magnétiquement conducteur, forment un nombre de branches de culasse, lesquelles sont reliées avec le premier segment de culasse, qui correspond au nombre des unités d'induit.
  4. Dispositif selon la revendication 3, caractérisé en ce qu'une branche de culasse respective des branches de culasse forme, avec l'une des unités d'induit qui lui est associée, un entrefer parmi les entrefers cités, lequel est influencé par une position de réglage de l'unité d'induit.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les entrefers, lesquels sont configurés respectivement pour une position de butée de la pluralité des unités d'induit, présentent une dimension qui diffère des uns par rapport aux autres, et présentent en particulier une distance efficace d'entrefer qui diffère les uns des autres.
  6. Dispositif selon l'une des revendications 1 à 5, lequel comprend en outre des moyens formant ressorts, caractérisé en ce qu'au moins l'une des unités d'induit est positionnée ou est guidée contre une force de rappel des moyens formant ressorts.
  7. Dispositif selon la revendication 6, caractérisé en ce que la force de rappel qui agit sur une pluralité des unités d'induit est configurée de manière différente pour au moins deux des unités d'induit.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que l'unité de culasse et/ou le premier segment de culasse et/ou le deuxième segment de culasse et/ou une section de conductance directe est ou sont réalisées entre le premier segment de culasse et le deuxième segment de culasse sous la forme d'un élément de tôle, en particulier sous la forme d'un élément de tôle pouvant être empilé et/ou sous la forme d'un agencement en couches constitué d'une pluralité d'éléments de tôle.
  9. Utilisation du dispositif actionneur électromagnétique selon l'une des revendications 1 à 8 en vue de la réalisation d'une soupape pneumatique ou d'une soupape hydraulique, en particulier pour un véhicule à moteur.
EP12714594.4A 2011-03-16 2012-03-15 Dispositif actionneur électromagnétique Not-in-force EP2686853B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17165459.3A EP3211645A1 (fr) 2011-03-16 2012-03-15 Dispositif actionneur électromagnétique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201120004021 DE202011004021U1 (de) 2011-03-16 2011-03-16 Elektromagnetische Aktuatorvorrichtung
PCT/EP2012/054547 WO2012123538A1 (fr) 2011-03-16 2012-03-15 Dispositif actionneur électromagnétique

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17165459.3A Division-Into EP3211645A1 (fr) 2011-03-16 2012-03-15 Dispositif actionneur électromagnétique
EP17165459.3A Division EP3211645A1 (fr) 2011-03-16 2012-03-15 Dispositif actionneur électromagnétique

Publications (2)

Publication Number Publication Date
EP2686853A1 EP2686853A1 (fr) 2014-01-22
EP2686853B1 true EP2686853B1 (fr) 2017-11-08

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EP17165459.3A Withdrawn EP3211645A1 (fr) 2011-03-16 2012-03-15 Dispositif actionneur électromagnétique
EP12714594.4A Not-in-force EP2686853B1 (fr) 2011-03-16 2012-03-15 Dispositif actionneur électromagnétique

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US (1) US9117583B2 (fr)
EP (2) EP3211645A1 (fr)
CN (1) CN103443877B (fr)
DE (1) DE202011004021U1 (fr)
WO (1) WO2012123538A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018117074A1 (de) * 2018-07-13 2020-01-16 Svm Schultz Verwaltungs-Gmbh & Co. Kg Elektromagnetischer Aktuator mit Ankerscheibe
CN113562203B (zh) * 2021-07-02 2022-12-13 哈尔滨工业大学 一种具有冗余气隙的电磁作动器

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CN103443877B (zh) 2017-06-09
US9117583B2 (en) 2015-08-25
CN103443877A (zh) 2013-12-11
EP3211645A1 (fr) 2017-08-30
DE202011004021U1 (de) 2012-07-09
US20140125437A1 (en) 2014-05-08
EP2686853A1 (fr) 2014-01-22

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