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WO2019007675A1 - Dispositif de positionnement - Google Patents

Dispositif de positionnement Download PDF

Info

Publication number
WO2019007675A1
WO2019007675A1 PCT/EP2018/066267 EP2018066267W WO2019007675A1 WO 2019007675 A1 WO2019007675 A1 WO 2019007675A1 EP 2018066267 W EP2018066267 W EP 2018066267W WO 2019007675 A1 WO2019007675 A1 WO 2019007675A1
Authority
WO
WIPO (PCT)
Prior art keywords
adjusting device
coil
plunger
armature
axis
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.)
Ceased
Application number
PCT/EP2018/066267
Other languages
German (de)
English (en)
Inventor
Ludvik Kumar
Franci Lahajnar
Andrej Likar
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.)
Kolektor Group doo
Original Assignee
Kolektor Group doo
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 Kolektor Group doo filed Critical Kolektor Group doo
Priority to EP18733833.0A priority Critical patent/EP3649657A1/fr
Publication of WO2019007675A1 publication Critical patent/WO2019007675A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • 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
    • H01F7/128—Encapsulating, encasing or sealing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L2013/0052—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/10—Auxiliary actuators for variable valve timing
    • F01L2013/101—Electromagnets
    • 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
    • H01F2007/163—Armatures entering the winding with axial bearing
    • 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 an adjusting device comprising a housing and at least two electromagnetic linear actuators, each of which
  • a housing-fixed coil arrangement extending around a coil axis
  • Coil arrangement arranged cavity, movable along the coil axis relative to the coil assembly, an axially magnetized
  • the anchor assemblies here each include one in a bore of a
  • Guide rod is connected, that it is offset from the coil assembly and adjacent to one of them
  • Flux assembly eccentrically, i.
  • the offset of the respective The ram axis to the coil axis serves to minimize the distance between the two plungers, which is important for various applications of actuators with two operated by electromagnetic linear actuators rams.
  • Adjusting device comprises a base part, in which the plungers are guided displaceably along their axes, and one attached to a collar of the base part
  • Anchor assemblies and the projecting from the base portion of the housing in the direction of the armature assemblies protruding end portions of the plunger.
  • An actuator having only an electromagnetic linear actuator, wherein between the
  • Coil axis and the ram axis is an offset, US 2011/0133576 AI is removable.
  • the present invention is directed to provide a control device of the generic type mentioned above, which is characterized by an increased practicality over the prior art
  • the aim is a so far
  • thermoset material Coil arrangements with a thermoset material
  • resulting housing portion includes, which axially to The coil assemblies offset guide portions for the armature assemblies having consisting of thermoset material support surfaces on which the respective associated armature assembly is slidably.
  • the guide according to the invention of the armature arrangements in their respective associated tappet more or less adjacent area on the molded thermoset material housing section can be a particularly large offset of the respective ram axis relative to the associated coil axis realize without the relevant eccentricity of the attack of the plunger the armature assembly leads to the reliability or reliability impairing tilting.
  • Diameter are used, but at the same time the distance between the plungers are kept to a minimum.
  • the offset between the ram axis and coil axis is at least as large as the maximum radial
  • the present invention allows the realization of such adjusting devices, in which the distance between the plungers is less than 25% of the plunger diameter and / or less than one millimeter.
  • the housing comprises at least one other housing part, namely a (preferably machined from metal)
  • Housing section in which the plunger are guided displaceably along its axis.
  • the housing such that it consists of a metallic base plate, the one attached to it on the first housing portion of thermoset material (s. O.) And on the other side attached thereto metallic second housing portion with the ram guides executed therein.
  • embedded coil assemblies can be combined with differently designed second housing sections.
  • first housing portion its design and
  • connection of the tappet with the respective associated armature arrangement is preferably designed such that it
  • Anchor arrangement in the region of a tensile connection form fit into each other. Plunger and armature are in this way - with the housing closed - inseparable.
  • Anchor arrangement separates. And just as little can an increased friction or other adhesive force of the protruding from the housing end of the plunger on the component to be switched cause that when retracting the
  • the form-fitting allows
  • the connector thus determines the distance that the plunger to the magnet group (permanent magnet and the two flux guides) complies.
  • a core consisting of non-ferromagnetic material
  • thermoset material is formed, in particular by a one-piece, consisting for example of thermoset material
  • Connector core unit is molded onto the magnet group.
  • the two flux conducting pieces and the permanent magnet are annular in shape with a central opening for the passage of the core.
  • Thermoset material molded housing section and in said guide bush realize.
  • the above-explained advantages of the invention are particularly pronounced in this case.
  • the advantages of the invention are particularly pronounced in this case.
  • Length of the actuator fail very short.
  • the armature assembly has a
  • Anchor arrangement relative to the coil assembly is fixed in this case.
  • the above-described anti-rotation device preferably comprises at least one guide projection arranged peripherally on the armature arrangement, preferably relatively close to the tappet and / or on the connector. Particularly preferred are two such guide projections
  • the contact between the armature arrangement and the housing section injection-molded from thermoset material is limited to the contact surfaces on the guide projections and to grooves correspondingly formed in the housing section.
  • the at least one guide projection is particularly preferably designed to be bead-shaped in such a way that its axial length is substantially greater as its width in the circumferential direction. This applies in any case in the absence of guidance of the armature arrangement at the opposite end (see above). If such a second guidance of the armature arrangement is realized, then the axial length of the at least one guide projection
  • Electromagnetic linear actuators are provided, wherein between the two anchor assemblies a
  • Position sensor is placed.
  • the position sensor is preferably designed as a magnetostrictive sensor, in particular as a Hall sensor.
  • the permanent magnets of the two armature arrangements are particularly magnetized in an oppositely directed manner
  • Linear actuators differ, so that by means of a single magnetostrictive sensor, the switching position of both armature plunger units can be detected, d. H. In particular, it can be determined which of the two plungers assumes its extended position and which retracts its retracted position.
  • each of the coil assemblies is surrounded by a cage made of ferromagnetic material.
  • the cages have axially slotted shell portions which, for example, two or more to each other in
  • Circumferentially spaced strips may comprise. Particularly preferably penetrate the Sheath sections each other between the associated
  • Coil assemblies For example, this can mutually a strip of the shell portion of
  • the cages preferably have end caps.
  • jacket section of the respective cage consists of a plurality of strips, these are particularly preferably connected in one piece with the cover. In analogy to the shell sections penetrate
  • the lids of the cages of the two linear actuators are particularly preferred.
  • the lids of the cages of the two linear actuators are particularly preferred.
  • the lids of the cages of the two linear actuators are particularly preferred.
  • Each cage preferably comprises a floor, wherein the two floors are particularly preferably part of a common one-piece floor element.
  • the bottom element has two openings for the two anchor arrangements,
  • the magnetostrictive sensor explained above can be placed on the bottom element between the two openings.
  • each cage a frontally, axially projecting into the coil assembly, the cavity frontally limiting Insert (made of ferromagnetic material) added.
  • the cavity frontally limiting Insert made of ferromagnetic material
  • Fig. 1 in a perspective view obliquely from above one
  • Fig. 2 in a perspective view obliquely from below the
  • FIGS. 1 and 2 are identical to FIGS. 1 and 2,
  • FIGS. 1 to 3 shows an intermediate used in the production of the adjusting device according to FIGS. 1 to 3 in a preliminary stage
  • Fig. 5 shows the intermediate product of Fig. 4 in his
  • Fig. 6 is a view corresponding to FIG. 1 a
  • Fig. 7 is a view corresponding to FIG. 1 a
  • 102017103090 AI the entire disclosure of which is incorporated by reference into the content of the present application, is referenced - comprises two housed in a common housing 1 electromagnetic
  • Each of the linear actuators 2 comprises in turn a housing-fixed coil arrangement 3 extending around a coil axis X, an armature arrangement 4 movable along the coil axis X relative to the coil arrangement 3, and an armature arrangement 4 actuated by the armature arrangement 4 and parallel to the coil axis X movable plunger 5.
  • the armature assembly 4 is at least partially in one within the
  • Coil arrangement 3 arranged cavity 6 was added. It comprises an annular, axially magnetized permanent magnet 7, two annular flux guides 8 arranged on the end faces on the end faces thereof
  • the core 10 ferromagnetic, metallic or non-metallic material
  • the housing 1 is designed in three parts. It comprises a base plate 12, an upper housing section 13 placed thereon and a lower housing section 14 placed opposite the upper housing section 13 on the base plate 12. The latter is centered by a recess 15 in the base plate 12 and secured. By means of two sealing rings 18, 19 received in corresponding annular grooves 16, 17, the upper and lower housing sections 13 and 14 are sealed off from the base plate 12.
  • the lower housing section 14, preferably made of metal, has two guide bores 20, in which the two - also preferably made of metal - plunger 5 slidably guided along their respective axis Y slidably. To the two guide holes 20
  • aligned openings 21 are provided in the base plate 12.
  • the offset a is an offset between the coil axis X and the plunger axis Y, which is parallel thereto, in such a way that the two plungers 5 have a minimum distance from one another.
  • the plunger head 23 has an annular groove 24 extending along the entire circumference of the plunger 5.
  • the associated connector 9 has at its the magnetic group (permanent magnet 7 and the two
  • each of the two cages 32 comprises a front cover 33, a skirt portion 34 and a bottom 35.
  • In each cage 32 is the end face, adjacent to the cover 33 and fixed thereto, an axially in the
  • each cage 32 consists of two strip-like, integrally connected to the respective cover 33, opposite this angled and brought into a concave shape shell parts 37.
  • the two floors 35 are part of a common for both linear actuators 2
  • connection conductor group 40 becomes a Base structure 41 molded with a molded-on mating counterpart 42.
  • the Hall sensor 39 for its inclusion in the base structure 41 a corresponding
  • Recess 43 is provided, is connected to the appropriate contacts 44 of the connecting conductor group 40. Then, the two coil assemblies 3 together with the associated parts of the cages 32 (each cover 33 and shell portion 34) on top of the base structure 41st
  • Coil assemblies 3 engage four frontally on the
  • Spool carriers 31 provided centering projections in corresponding, provided in the base structure 41 receptacles 45 a.
  • Coil assemblies 3 are assigned to the
  • Sheath sections 34 each other by mutually engaging a strip 37 of the shell portion 34 of a cage 32 at the edge in an existing between the two two strips 37 of the shell portion 34 of the other cage 32 gap 49. Also between the shell portions 34 of the two cages 32 is a direct contact, by the respective strips 37 edge side
  • Base structure 41 is - inserted into a corresponding recess 50 - the cage bottom member 38.
  • Housing section 13 are also - by
  • Sliding-sliding guide of the armature assemblies 4 in the upper housing portion 13 (including a rotation of the armature assemblies) are in the upper housing portion 13 in the region of the two openings 51 guide portions 53 each having two axially parallel to the coil axis X extending guide grooves 54th
  • Embodiment differs from that of Figures 1 to 5 essentially only in that here the core 10 of the armature assembly 4 the plunger 5 protrudes from the magnet group opposite, d. H. through the plunger 5 facing away from the flux guide 8 and out of this.
  • the corresponding projection 57 of the core 10 is slidably guided in a corresponding bore 58 of the insert 36. This has in addition to the
  • the third preferred embodiment illustrated in Figures 7 and 8 differs from that of Figures 1 to 5 essentially by two significant modifications.
  • the connector 9 and the core 10 of the armature assemblies 4 each form a one-piece component.
  • a connector core unit 60 consisting of thermoset material is molded onto the magnet group.
  • the openings of the two flux guides 8 are stepped undercut
  • Connectors 9 of the armature assemblies 4 executed grooves 26 each consistently over the entire connector end face. This allows for that with the first
  • the connectors 9 to a certain extent form “universal connectors", whereby the need for different, specific to the respective offset a of the coil axis X and plunger axis Y to each other

Landscapes

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

Abstract

La présente invention concerne un dispositif de positionnement comportant : un boîtier (1) ; et au moins deux actionneurs linéaires (2) électromagnétiques, comportant respectivement un ensemble bobine (3) solidaire du boîtier et s'étendant autour d'un axe de bobine (X) ; un ensemble armature (4) logé au moins en partie dans une cavité (6) située à l'intérieur de l'ensemble bobine (3), mobile par rapport à l'ensemble bobine (3) le long de l'axe de bobine (X) et comportant un aimant permanent (7) magnétisé axialement ; et un poussoir (5) actionné par l'ensemble armature (4) et guidé mobile dans le boîtier (1) le long d'un axe de poussoir (Y). Au moins l'un des actionneurs linéaires (2) présente un décalage (a) entre l'axe de bobine (X) et l'axe de poussoir (Y). Le boîtier (1) comprend une partie de boîtier (13), produite par surmoulage par injection des ensembles bobines (3) avec un matériau thermodurcissable, laquelle comporte des zones de guidage (53), décalées axialement par rapport aux ensembles bobines (3) et destinées aux ensembles armatures (4), qui sont pourvues de surfaces d'appui (56) en matériau thermodurcissable, sur lesquelles l'ensemble armature (4) associé respectif repose de manière coulissante.
PCT/EP2018/066267 2017-07-03 2018-06-19 Dispositif de positionnement Ceased WO2019007675A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18733833.0A EP3649657A1 (fr) 2017-07-03 2018-06-19 Dispositif de positionnement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017114246.0 2017-07-03
DE102017114246.0A DE102017114246A1 (de) 2017-07-03 2017-07-03 Stellvorrichtung

Publications (1)

Publication Number Publication Date
WO2019007675A1 true WO2019007675A1 (fr) 2019-01-10

Family

ID=62716061

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/066267 Ceased WO2019007675A1 (fr) 2017-07-03 2018-06-19 Dispositif de positionnement

Country Status (3)

Country Link
EP (1) EP3649657A1 (fr)
DE (1) DE102017114246A1 (fr)
WO (1) WO2019007675A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111335979A (zh) * 2020-03-04 2020-06-26 杰锋汽车动力系统股份有限公司 一种可变气门升程系统用凸轮轴拨动电磁阀
EP3839988A1 (fr) 2019-12-20 2021-06-23 Kolektor Group d.o.o. Dispositif de réglage
CN113348525A (zh) * 2019-01-28 2021-09-03 Msg机电系统有限公司 电磁致动器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019105938B4 (de) * 2019-03-08 2025-04-17 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung mit adaptierbarer Stößelanordnung sowie deren Verwendung
DE102023135299B3 (de) 2023-12-15 2025-01-30 Thomas Magnete Gmbh Ankeranordnung für einen elektromagnetischen Antrieb und Elektromagnetischer Antrieb

Citations (5)

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US20100192885A1 (en) 2007-06-19 2010-08-05 Eto Magnetic Gmbh Electromagnetic actuating device
US20110133576A1 (en) 2008-08-01 2011-06-09 Eto Magnetic Gmbh Electromagnetic actuating apparatus
DE102011009327A1 (de) * 2011-01-18 2012-07-19 Hydac Electronic Gmbh Elektromagnetische Stellvorrichtung
DE102014205101A1 (de) * 2014-03-19 2015-09-24 Schaeffler Technologies AG & Co. KG Aktuator für Doppel-Schiebenockensystem
WO2017179100A1 (fr) * 2016-04-11 2017-10-19 三菱電機株式会社 Actionneur à solénoïde

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US5309050A (en) * 1988-08-31 1994-05-03 Aura Systems, Inc. Ferromagnetic wire electromagnetic actuator
US8507138B2 (en) * 2008-06-13 2013-08-13 Keihin Corporation Ejector for fuel cell system
DE202009006940U1 (de) * 2009-04-16 2010-09-02 Eto Magnetic Gmbh Elektromagnetische Nockenwellen-Verstellvorrichtung
DE102017103090B4 (de) 2017-02-15 2020-06-04 Kolektor Group D.O.O. Elektromagnetischer Linearaktuator

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Publication number Priority date Publication date Assignee Title
US20100192885A1 (en) 2007-06-19 2010-08-05 Eto Magnetic Gmbh Electromagnetic actuating device
US20110133576A1 (en) 2008-08-01 2011-06-09 Eto Magnetic Gmbh Electromagnetic actuating apparatus
DE102011009327A1 (de) * 2011-01-18 2012-07-19 Hydac Electronic Gmbh Elektromagnetische Stellvorrichtung
DE102014205101A1 (de) * 2014-03-19 2015-09-24 Schaeffler Technologies AG & Co. KG Aktuator für Doppel-Schiebenockensystem
WO2017179100A1 (fr) * 2016-04-11 2017-10-19 三菱電機株式会社 Actionneur à solénoïde

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113348525A (zh) * 2019-01-28 2021-09-03 Msg机电系统有限公司 电磁致动器
US11649743B2 (en) 2019-01-28 2023-05-16 Msg Mechatronic Systems Gmbh Electromagnetic actuator
EP3839988A1 (fr) 2019-12-20 2021-06-23 Kolektor Group d.o.o. Dispositif de réglage
DE102019135364A1 (de) * 2019-12-20 2021-06-24 Kolektor Group D.O.O. Stellvorrichtung
CN111335979A (zh) * 2020-03-04 2020-06-26 杰锋汽车动力系统股份有限公司 一种可变气门升程系统用凸轮轴拨动电磁阀
CN111335979B (zh) * 2020-03-04 2021-05-25 杰锋汽车动力系统股份有限公司 一种可变气门升程系统用凸轮轴拨动电磁阀

Also Published As

Publication number Publication date
EP3649657A1 (fr) 2020-05-13
DE102017114246A1 (de) 2019-01-03

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