EP3443571A1 - Dispositif de réglage électromagnétique monostable sans courant et utilisation d'un tel dispositif - Google Patents

Dispositif de réglage électromagnétique monostable sans courant et utilisation d'un tel dispositif

Info

Publication number
EP3443571A1
EP3443571A1 EP17719166.5A EP17719166A EP3443571A1 EP 3443571 A1 EP3443571 A1 EP 3443571A1 EP 17719166 A EP17719166 A EP 17719166A EP 3443571 A1 EP3443571 A1 EP 3443571A1
Authority
EP
European Patent Office
Prior art keywords
coil
unit
force
armature
coil unit
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.)
Granted
Application number
EP17719166.5A
Other languages
German (de)
English (en)
Other versions
EP3443571B1 (fr
Inventor
Philipp FANGAUER
Peter Vincon
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
Publication of EP3443571A1 publication Critical patent/EP3443571A1/fr
Application granted granted Critical
Publication of EP3443571B1 publication Critical patent/EP3443571B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
    • 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
    • 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
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • 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
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
    • 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
    • H01F2007/086—Structural details of the armature
    • 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
    • H01F2007/1669—Armatures actuated by current pulse, e.g. bistable actuators
    • 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
    • H01F2007/1692—Electromagnets or actuators with two coils

Definitions

  • the present invention relates to a currentless monostable electromagnetic actuator. Furthermore, the present invention relates to a use of such a currentless monostable electromagnetic actuator.
  • Electromagnetic actuators are to be understood as well known in the art.
  • DE 201 14 466 U1 of the applicant discloses a bistable electromagnetic actuator device as an adjusting device which has an armature unit with permanent magnet means and a ram unit elongated along a direction of movement, seated on the armature unit.
  • This permanent magnetic armature unit is driven by stationary electromagnetic drive means in the form of a stationary core unit, which is assigned a coil unit suitable for energizing.
  • a compression spring can additionally be provided which locks the armature unit in the direction of release the core unit pretensions.
  • the overall arrangement is enclosed by a magnetically conductive housing, which closes the magnetic circuit necessary for movement, and which in the extended armature position, that is solved by the stationary core unit, in cooperation with the armature-side permanent magnet means offers an opposite adhesive position, so that from DE 201 14 466 U1 is a bistable device.
  • the plunger portion forms a engaging or engaging portion, which is particularly suitable to intervene in an extended armature state in this adjustment and this Then perform the intended camshaft adjustment.
  • a back dividing (return) of the anchor unit together with plunger section in the inserted (pushed back) position on the core unit in this prior art usually carried out by the action of the setting or intervention partner, specifically here by suitable design of the groove profiling.
  • WO 201 1/026553 of the applicant discloses a bistable electromagnetic rotary actuator in which an armature unit provided with permanent magnet means is movable between two actuating positions in response to energization of a stationary coil unit, wherein an engaging portion for cooperating with one axially at both ends is suitable assigned aggregate can be provided as a positioning partner.
  • the permanent magnet means provided on the armature ensure that the armature unit at both ends, ie in respective opposite end stop positions, is kept currentless stable, in other words, without renewed energization of the coil unit or without external influence, the armature unit remains stable in the respective end stop position.
  • Object of the present invention is therefore to provide an electromagnetic actuator, which in addition to favorable dynamic properties, in particular a fast moving a permanent magnet means having anchor unit from a first (retracted) parking position to a second (ejected) parking position, a computable, in the currentless or Unbestromten case predeterminable restoring behavior, in particular structurally simple and can be produced with low hardware costs and automated manufacturable for mass production.
  • the coil means according to the invention initially have a second coil unit provided in addition to the first coil unit, which is connected or connected in accordance with the invention so that this second coil unit moves from the first (typically non-extended) actuating position during a movement of the armature unit in the second (extended) parking position in addition to the anchor unit accelerating acts.
  • This advantageously ensures that, in spite of the inventively provided, arranged for the rear-directed force memory (such as a spring) no adverse effect on the dynamic behavior during extension occurs, but rather by the second coil unit according to the invention a possible adverse Jacobson. Restoring force of the force storage means compensated by the second coil unit or even overcompensated.
  • first and the second coil unit alternatively: isolated the second coil unit with appropriate wiring
  • this second setting position is reached.
  • appropriate energizing means to be connected upstream or upstream of the first or second coil unit, to lower the flowing current from moving and thus to ensure an extended (nevertheless energized) armature position in the electrical energy consumption.
  • the coil means comprise return coil means, which are designed and / or connected in such a way that they reinforce the force storage means in the return part, namely the return of the armature unit from the second to the first control position, ie an additional restoring force rectified to the force storage means (FIG. So for example, the return spring exercise).
  • the present invention realizes in a surprisingly simple manner a functionality which combines the dynamic advantages of a known bidirectional, yet bistable actuating device with the need to produce a currentless stable unambiguous setting state without this being the setting, efficiency and dynamic properties of the invention adversely affected.
  • the restoring force of the force-storing means is advantageously configured and further developed in accordance with the invention (that is to say by means of suitable dimensioning of spring means for this purpose), that this restoring force is greater than a permanent magnetic adhesive force of the permanent magnet means at the second setting position, this adhesive force being approximately equal to a surrounding housing of the adjusting device (which is then known in otherwise known manner). se would allow about an exit of the plunger section) would take place.
  • the reset coil means are realized as an additional coil unit, so as to be provided as an additional leh to the first and the second coil unit third coil unit, which is further preferably provided in the region of the second control position or so electromagnetically in the, predetermined or resulting flow circuits is placed, that this additional coil unit as remindstellspulenstoff the desired restoring force (ie gleichgerich- tet with the restoring force of the energy storage means or these superimposed) can exercise.
  • this additional coil unit of the second coil unit in an axially adjacent manner
  • axial in the context of the invention means the direction of extension or movement of the anchor unit together with typically elongated plunger section
  • this additional coil unit also cooperates within the scope of a coil magnetic flux with a stationary core section, which according to the invention is assigned to the second coil unit and thus usually axially opposite one defining the first control position or a stop for the armature unit at the first control position forming core unit is provided.
  • reset coil means nevertheless provides that these return coil means are not realized by an additional, separate coil, but the inventive first and second coil unit also causes the functionality of the remindstellspulenstoff, namely, when upstream or associated Umpolstoff an energization the first and second coil units for the reset operation of the reset coil means the Beschalk- tion of the first or second coil unit so that the intended restoring force is applied to the anchor unit in the manner provided according to the invention instead of an outgoing or extending force.
  • the force storage means according to the invention which in the manner discussed above, the currentless monostable feedback and thus ensure the desired fail-safe behavior with respect to a predetermined positioning position - implement: So it is on the one hand in a preferred embodiment preferred to realize these force storage means, typically as a compression spring, acting as an external spring on the armature unit in the region of the engagement portion.
  • these force storage means typically as a compression spring, acting as an external spring on the armature unit in the region of the engagement portion.
  • Such a variant is particularly suitable for those embodiments in which the plunger end, in addition to the interaction with the control partner, also suitable or designed for receiving a here acting or acting on the armature unit compression spring. Additionally or alternatively, this can also be done indirectly via deflection, wherein about a rocker arm or the like mechanical aggregates then enter a restoring force of not directly acting on the armature unit spring means in these in the patent-wise manner.
  • a (resetting) pressure spring may also be provided in a device housing itself and be provided approximately suitably axially at a predetermined position of the armature unit or its tappet section.
  • the compression spring it could be further useful and structurally elegant to design the compression spring as a spiral spring so that it surrounds the plunger portion and is supported approximately axially at one end of the (usually opposite the plunger portion widened) permanent magnet means anchor portion.
  • the present invention makes it possible in a simple and elegant manner to realize a monostable adjusting device which occupies a defined setting state in the de-energized state and combines constructive simplicity with favorable, advantageous actuating properties in both actuating directions, without force retention means having an approximately reset effecting the behavior disadvantageously influence.
  • the present invention is outstandingly suitable for use in the field of setting an operation mode of a vehicle assembly such as a motorcycle transmission, but the present invention is not necessarily limited to such use.
  • FIG. 1 is a longitudinal sectional view of the electromagnetic actuator according to a first embodiment of the invention (without spring means);
  • FIG. 2 a block diagram for energizing the three coil units in FIG
  • FIG. 6 shows partial variants (a) to (c) of different variants for providing the force-storing means according to the invention on the armature unit in the exemplary embodiment of FIG. 4.
  • the longitudinal sectional view of the first embodiment of FIG. 1 shows an armature unit 12 which can be moved along a longitudinal axis 10 and which has a permanent magnet disk 16 at a first end directed toward a first core unit 14, which is delimited axially at both ends by flow guide disks 18, 20 ,
  • Adjoining this permanent magnet unit is an elongate plunger section 22 of the anchor unit, which extends along the axial direction in the center of a comprehensive cylindrical housing 24 up to an open housing end (shown in FIG. 1 at the bottom), from which then an engagement section 26 - Designed to interact with a provided here in a motorcycle gear actuator - is formed.
  • the first stationary core element 14 is surrounded by a first coil unit 28, which has a first winding 30 on a coil carrier 32 (realized as a plastic injection-molded part, for example) from the state of the art according to DE 201 14 466 U1.
  • a coil carrier 32 realized as a plastic injection-molded part, for example
  • the coil 30 forms a force application repelling the permanent magnet means 26 and thus directed downwardly along the axial direction in the drawing of FIG.
  • the arrangement is configured such that this repulsive effect is (already) sufficient to overcome the permanent magnetic adhesive force of the assembly 16 on the first core 14, so that this movement can take place.
  • this movement is assisted by a second coil unit 36, which has a second winding 38 wound on a plastic coil carrier 40.
  • This winding 38 supplied via the supply line arrangement 34, in the energizing case for moving the armature unit from the (first) setting position of FIG.
  • FIG. 3 (a) schematically shows a spring element directed endwise on a front end of the engagement section 26, as possible alternatives the subfigure (b) shows a compression spring via a (only schematically shown) rocker arm 46, while again as an alternative (FIG. but also possibly when providing two springs in addition) the spring element 44 in the partial image (c) of Fig.
  • a spring force or a force behavior of the spring 44 is set up such that the spring force at the second setting position (ie at the stop of the armature unit or its permanent magnet means 16 on the second core 42, not shown in the figures) does not lead to a (permanent magnetic) sticking Sticking to the core comes, but this permanent magnetic adhesive force is overcome by the above-described restoring force of the spring element 44th
  • FIG. 1 to 3 shows a third coil unit 50, which in the illustrated embodiment is provided axially adjacent to and in the direction of the first coil unit 28 of the second coil unit 36;
  • the coil carrier 54 carrying a third coil (winding) of the third coil unit is designed for modular assembly, alternatively in one piece, with the coil carrier 40 of the second coil unit 36, so that these units are particularly suitable for compact and potentially automated production and assembly suitable.
  • the third coil 32 is connected or set up so that in the described setting process from the first (at the core 14) to the second (at the core 42) adjusting position, the third coil remains unseated, but then in a restoring operation - at de-energized state of the first and the second coil - the third coil on the armature unit exerts a restoring force in the direction of the first control position, insofar as the restoring force of the return spring 44 is superimposed or reinforced.
  • the circuit diagram of Figure 2 illustrates such a circuit.
  • the switches 56 shown (for the arrangement of the first coil 30 and second coil 38) and 58 (for the third coil 52) are thereby alternatively closed and thus determined, when the switch 56 is closed and the switch 58 is open, the operating state for the Moving the Ankereinehit from the first to the second control position, while the reverse switch state (switch 56 open and switch 58 closed), the third coil 52 for returning to the first control position, supported by the spring restoring force of the spring unit 44 causes.
  • the resetting process in particular also proceeds dynamically and acceleratedly by this measure and thus makes possible a monostability which is dependent on a possible adhesive behavior of the permanent magnet. 16 is not adversely affected at the second anchor, but this is compensated by the coil 52.
  • FIGS. 4 to 6 structurally corresponds almost completely to the first embodiment of FIGS. 1 to 3, only with the difference that the second embodiment has only the first coil unit 28 and the second coil unit 36, but not the third additional reset Coil unit 50.
  • an axially shorter and thus potentially more compact device can be realized.
  • via the spring-biased return of the spring element 44 insofar as the function of the variants of Figs. 6 (a) to (c) is equivalent and analogous to Figs Fig.
  • the present invention is not limited to the embodiments shown, in particular, the configuration, arrangement and configuration of the individual coil units are also suitably changeable, as the present invention is not limited to the preferred use case of a lock for a (motorcycle) transmission is limited. Rather, the present invention is suitable for any application in which, with permanent magnetic armature functionality, dynamic adjustment behavior in both axial adjustment directions is to be combined with monostability in the de-energized state or a defined fail-safe reset position.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

L'invention concerne un dispositif de réglage électromagnétique monostable sans courant comprenant une unité d'induit (12) qui comporte des moyens magnétiques permanents (26) et qui est mobile entre au moins deux positions de réglage (44) le long d'un axe de mouvement longitudinal (10) par rapport à des moyens de bobines stationnaires (28, 50, 36) et en réponse à l'excitation de celles-ci, laquelle unité d'induit comporte une partie d'attaque ou d'engagement (26), destinée à coopérer avec une partie coulisseau (22) utilisée comme partenaire de réglage, et peut être transférée d'une première position de réglage stable sans courant par action des moyens magnétiques permanents dans une seconde des positions de réglage en s'opposant à une force de rappel exercée par des moyens accumulateurs de force (44), en particulier des moyens à ressort. Les moyens de bobine comportent une première unité de bobine (28), qui est câblée ou peut être câblée de façon à générer sur l'unité d'induit une force libérant l'unité d'induit de la première position de réglage. Les moyens de bobine comportent une seconde unité de bobine (36) qui est prévue en plus de la première unité de bobine et qui est câblée ou peut être câblée de telle sorte que la seconde unité de bobine génère sur l'unité d'induit, pendant le transfert, une force qui accélère l'unité d'induit et les moyens de bobine comportent des moyens de bobine de rappel (50 ; 28, 36) qui sont conçus et/ou câblés de façon à amplifier la force de rappel des moyens accumulateurs de force lorsque l'unité d'induit est ramenée de la seconde position de réglage à la première position de réglage.
EP17719166.5A 2016-04-13 2017-03-30 Dispositif de réglage électromagnétique monostable sans courant et utilisation d'un tel dispositif Active EP3443571B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016106805.5A DE102016106805A1 (de) 2016-04-13 2016-04-13 Stromlos monostabile elektromagnetische Stellvorrichtung und Verwendung einer solchen
PCT/EP2017/057619 WO2017178241A1 (fr) 2016-04-13 2017-03-30 Dispositif de réglage électromagnétique monostable sans courant et utilisation d'un tel dispositif

Publications (2)

Publication Number Publication Date
EP3443571A1 true EP3443571A1 (fr) 2019-02-20
EP3443571B1 EP3443571B1 (fr) 2021-06-30

Family

ID=58632337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17719166.5A Active EP3443571B1 (fr) 2016-04-13 2017-03-30 Dispositif de réglage électromagnétique monostable sans courant et utilisation d'un tel dispositif

Country Status (5)

Country Link
US (1) US10832845B2 (fr)
EP (1) EP3443571B1 (fr)
CN (1) CN108885931B (fr)
DE (1) DE102016106805A1 (fr)
WO (1) WO2017178241A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015115684A1 (de) * 2015-09-17 2017-03-23 Eto Magnetic Gmbh Elektromagnetische Aktuatorvorrichtung sowie System
DE102018122699A1 (de) * 2018-04-18 2019-10-24 Eto Magnetic Gmbh Monostabile Aktuatorvorrichtung
CN109973649A (zh) * 2019-04-03 2019-07-05 杰锋汽车动力系统股份有限公司 一种用于变速箱的驻车解锁装置
CN111219485A (zh) * 2020-03-09 2020-06-02 杰锋汽车动力系统股份有限公司 一种驻车机构锁止装置

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DE20114466U1 (de) 2001-09-01 2002-01-03 Eto Magnetic Kg Elektromagnetische Stellvorrichtung
CN1928370B (zh) * 2006-10-10 2013-06-19 张玉宝 一种磁阻式无杆比例电磁阀及其伺服控制方法
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Also Published As

Publication number Publication date
US10832845B2 (en) 2020-11-10
CN108885931A (zh) 2018-11-23
CN108885931B (zh) 2021-03-30
US20190122798A1 (en) 2019-04-25
DE102016106805A1 (de) 2017-10-19
WO2017178241A1 (fr) 2017-10-19
EP3443571B1 (fr) 2021-06-30

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