EP1607988B1 - Dispositif de commande, notamment pour la commande de soupapes - Google Patents

Dispositif de commande, notamment pour la commande de soupapes Download PDF

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Publication number
EP1607988B1
EP1607988B1 EP05007959A EP05007959A EP1607988B1 EP 1607988 B1 EP1607988 B1 EP 1607988B1 EP 05007959 A EP05007959 A EP 05007959A EP 05007959 A EP05007959 A EP 05007959A EP 1607988 B1 EP1607988 B1 EP 1607988B1
Authority
EP
European Patent Office
Prior art keywords
guide channel
armature
cross
actuation part
actuating
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
EP05007959A
Other languages
German (de)
English (en)
Other versions
EP1607988A2 (fr
EP1607988A3 (fr
Inventor
Patrick Fuchs
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.)
Hydac Electronic GmbH
Original Assignee
Hydac Electronic 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 Hydac Electronic GmbH filed Critical Hydac Electronic GmbH
Publication of EP1607988A2 publication Critical patent/EP1607988A2/fr
Publication of EP1607988A3 publication Critical patent/EP1607988A3/fr
Application granted granted Critical
Publication of EP1607988B1 publication Critical patent/EP1607988B1/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
    • H01F7/1607—Armatures entering the winding

Definitions

  • switching magnets These switching devices, which are referred to in the jargon as switching magnets, are exemplary in the DE 101 04 998 A1 described and freely available on the market in a variety of embodiments.
  • the actuating part of the switching magnet is essentially formed of a tubular bolt which covers a predetermined distance when electrical excitation of the coil winding via a connectable to the plug plate of a connector plug device connector and thereby initiates a switching or actuation operation, for example in a valve connected from the outside Shutting off and guiding fluid flows.
  • the solenoid is therefore de-energized, is regularly reset by a return spring, which is arranged in the switching device itself and / or preferably on the valve to be actuated, for a renewed switching operation when energizing the coil of the armature.
  • a switching device in which between the adjacent opposite sides of the armature and pole core, an anti-adhesive device is arranged, which comprises the actuating part with a disc-shaped base at a predeterminable radial distance.
  • Said non-stick device has a connecting part extending in the axial direction of the actuating device, which likewise comprises the actuating part with a predeterminable radial spacing and which engages in a recess of the same for establishing a firm connection with the pole core.
  • the pot-shaped anti-stick device is securely fixed to the pole core and consequently to the fixed parts of the actuating device and can not perform such a movement following the armature during its movement and unintentionally release.
  • the present invention seeks to further improve the known actuators while maintaining their advantages that the reliability is further increased.
  • This object is achieved by an actuator with the features of claim 1 in its entirety.
  • the middle section of the operating part spread in cross section and guided along a propagated in diameter track portion of the guide channel, a captive is realized such that actuated by the magnet armature driven unintentionally leave the guide channel and thus the pole core.
  • the widened track section of the guide channel opens into the anchor space, wherein a pot-like non-stick device is provided at the location of the passage, regardless of the geometric configuration of the anti-stick device, in any case, tilting or tilting along the rod-like actuating part, based on its guideway, avoided, so that it can not come to an obstruction during the return movement of the magnet armature.
  • the non-stick device which is preferably magnetically ineffective, is so far securely fixed to the pole core and thus to the fixed parts of the actuator and can not the den Magnetic arm during movement perform subsequent movement.
  • the outer peripheral shape of the actuating part is selected to the inner peripheral shape of the guide channel such that at least one fluid-conducting connection is made from the outside to the armature space, so that the necessary fluid and / or pressure-carrying connection from the valve interior to the interior of the actuator in the form of the armature space can be made via the guide channel , which is present anyway to safely store the operating part in Polkern core.
  • fluid or through holes in the pole core can therefore be dispensed with, which on the one hand helps reduce the cost and on the other hand space is saved, which is an advantage especially in tight spaces, for example in the automotive industry.
  • said guide channel is part of standardizable pole cores, a basic requirement for a modular design of the entire actuating device is fulfilled, so that with a small number of individual components of the actuating device, such as the pole core in stepped magnitudes, a variety of valve switching - and to cover operating tasks.
  • the cross-sectional area of the guide channel is bounded by arcuate and / or rectilinear wall segments, wherein the cross-sectional area of the actuating part is deviating therefrom limited to form the respective fluid-carrying connection of rectilinear and / or arcuate further wall segments and wherein at least partially the other wall segments to the Wall segments of the guide channel when moving the operating part are guided. Accordingly, a variety of ways are opened by corresponding design of the respective wall segments of actuating part and guide channel to realize the respective fluid-conducting connection, yet a secure guidance of the operating member along the wall segments of the guide channel is ensured.
  • the cross-sectional area of the guide channel is circular and that based on its cross section, the actuating part is a rod-shaped polygon.
  • the pertinent embodiment can be realized in a particularly cost-effective manner and can be due to the remaining free cross-sectional area correspondingly large-sized, fluid-carrying connections between the valve interior and armature space free. Flow losses due to turbulent flow are avoided due to the rectilinear fluid connections.
  • the polygonal shape of the actuating part is, for example, a square at least in a middle distance section.
  • the actuating part engages loosely in the armature via a centering means, wherein preferably the centering means has tapered centering walls, which open into a cup-like extension.
  • the actuating part of the magnet armature is mechanically decoupled via said coupling point in the form of the centering and the actuating member is preferably taken only when operating the armature such that actuation of the switching valve.
  • the opposite return movement is preferably held by a return spring in the valve, the actuating member along the centering on the armature and reset such.
  • the in the Fig.1 shown in longitudinal section actuator which is also referred to in the jargon with switching or actuating magnet, has a housing 10 with a coil body 12 arranged therein with coil winding.
  • the pertinent bobbin comprises at least partially a pole tube 14, which by means of a separation point 16 in the form of a Weld or in the form of a released position is magnetically decoupled from a pole core 18 substantially.
  • a magnet armature 20 is guided in an armature space 22, which cooperates at its one free end face with a rod-like actuating part 24 for actuating fluid valves (not shown) of conventional design.
  • the pole core 18 is provided at its free end with a connecting flange 26 with a threaded section, not shown.
  • a plug member 28 is provided, which is preferably fixedly connected via a potting compound 30 with the housing 10.
  • the pole core 18 on the outer peripheral side of a pole plate 32 and at the opposite end, the pole tube 14 has a Hubbegrenzung 34 for the armature 20, which may also be provided with a Nothandbetuschist (not shown), in case of failure of the stream yet to operate the actuator and thus the valve.
  • the armature 20 is moved to its actuated position, in the direction of the Fig.1 Seen from a right stop position in a left, the actuation representation of the Fig.1 equivalent.
  • the armature 20 takes the rod-shaped actuating member 24, the free end 36 for an actuation operation on the valve not shown at least partially from the housing 10 as shown in the Fig.1 exit.
  • the armature 20 is provided in its pertinent axial travel direction along the longitudinal axis 38 of the actuator with at least one fluid equalization channel 40, which allows, in the armature or chamber chamber 22 located fluid within the armature chamber 22 in dependence the displacement position of the armature 20 to move back and forth in order to avoid such obstacles during operation.
  • the coil of the bobbin 12 is no longer energized and the return movement is forcibly guided via a return spring (not shown), which moves as part of the valve on the valve stem, the rod-like actuating member 24 and thus the armature 20 back.
  • the rod-like actuating part 24 already described above passes through the pole core 18 along a guide channel 44, the center axis of which runs along the longitudinal axis 38 of the actuating device.
  • the outer peripheral shape of the operating part 24 to the inner peripheral shape of the guide channel 44 is selected such that at least one fluid-conducting connection 46 coming from the outside, so coming from the interior of the valve to the armature space 22 is made.
  • the cross-sectional area of the guide channel 44 is bounded by arcuate wall segments 48, and the cross-sectional area of the actuating part 24 is deviated therefrom to form the respective fluid-conducting connection 46 of rectilinear further wall segments 50.
  • the polygonal shape of the actuating part 24 is formed at least in a middle section 52 as a square, with this end section further track sections 54,56 join this middle section 52, in which the edge courses are flattened to form guideways 58. Accordingly, the respective guideway 58 is flat and bounded on both sides by Eckkantenverinstrumentn the polygon. Accordingly, on the one hand, an optimized fluid-conducting cross-section is achieved for the respective fluid-conducting connection 46, according to the embodiment according to FIGS Fig. 1 and 2 a total of four fluid-carrying connections 46 diametrically around each other to the longitudinal axis 38 around the operating part 24 around group.
  • the middle section 52 of the operating part 24 is widened in cross section and guided along a correspondingly widened in diameter path portion 60 of the guide channel 44.
  • the operating member 24 can be easily accommodate in the guide channel 44 and the rest is such a captive achieved for the actuating part 24 in the pole core 18.
  • the axial length ratios in the region of the middle section 52 are, however, in any case to be chosen such that when the armature 20 his in the Fig.1 shown left actuating position occupies the front end face of the widening of the operating part 24 does not abut the corresponding opposite wall parts of the pole core 18, but here occupies a predetermined distance.
  • the rod-like actuating member 24 is loosely guided at its end facing the armature 20 in a recess of the magnet armature 20, via a centering means 62.
  • the centering means 62 is provided with tapered Zentriermayn 64, which open in the direction of the armature 20 in a pin-like extension 66, wherein the described embodiment is fulfilled equally for the actuating member 24 and for the front end of the armature 20.
  • About the centering 62 is a kind of loose coupling point realized, which ensures that upon actuation of the magnet armature 20, the actuating member 24 can also be carried without inhibition and it can not come in the area of the system of operating part 24 with pole core 18 to tilting.
  • the pole tube 14 is formed substantially cylindrical and terminates with its one free end with the pole core 18, which then form a common outer peripheral surface of the same diameter.
  • On the opposite side of the pole tube 14 is connected via a sealing ring 68 across the stroke limiter 34 and as a fixing means, as in Fig.1 represented, inwardly crimped in a groove-shaped depression of the stroke limiter 34.
  • the stroke limiter 34 can be completed with a cap 70.
  • fluid and / or pressure equalization can be brought about via the fluid-carrying connections 46 between the interior of the valve and the interior of the actuating device in the form of the armature space 22. Because of this fluid media connection, both the valve device and the operation are free of interference and inhibition the actuator possible. On additional connection holes in the pole core 18, which could also adversely affect the magnetic flux harmful, can be dispensed with.
  • the solution according to the invention can be realized inexpensively and takes up little installation space due to the central guidance of actuating part 24 with fluid-carrying connections 46.

Landscapes

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

Claims (4)

  1. Dispositif d'actionnement, notamment pour l'actionnement de soupapes pouvant être raccordées de l'extérieur, comprenant un boîtier (10) et un corps (12) de bobine qui y est disposé, qui a un enroulement de bobine et qui entoure, au moins en partie, un tube (14) polaire, à une extrémité libre duquel se raccorde un noyau (18) polaire, comprenant une culasse (20) magnétique guidée, au moins dans le tube (14) polaire, à l'intérieur d'un espace (22) de culasse et pourvue d'une partie (24) d'actionnement de la soupape respective, partie qui traverse le noyau (18) polaire le long d'un canal (44) de guidage, la forme du pourtour extérieur de la partie (24) d'actionnement étant choisie par rapport à la forme du pourtour intérieur du canal (44) de guidage, de manière à ménager au moins une liaison (46) fluidique de l'extérieur à l'espace (22) de culasse, la surface de la section transversale du canal (44) de guidage étant délimitée par des segments (48) de paroi s'étendant en forme d'arc et/ou de manière rectiligne, la surface de la section transversale de la partie (24) d'actionnement étant délimitée en s'en écartant en formant la liaison (46) fluidique respective par d'autres segments (50) de paroi rectilignes et/ou en forme d'arc, au moins en partie les autres segments (50) de paroi étant guidés sur les segments (48) de paroi du canal (44) de guidage lors du déplacement de la partie (24) d'actionnement, la surface de la section transversale du canal (44) de guidage étant circulaire, dans lequel rapportée à sa section transversale la partie (24) d'actionnement est un polygone en forme de barre, et dans lequel, sur un tronçon (52) médian du polygone, se raccordent du côté de l'extrémité des tronçons (54, 56), pour lesquels les arêtes sont aplaties avec formation de voies (58) de guidage, caractérisé en ce que la voie (58) respective de guidage est plane et est délimitée des deux côtés par des arêtes de sommet du polygone, en ce que le tronçon (52) médian de la partie (24) d'actionnement s'élargit en section transversale et est guidé le long d'un tronçon (60) de diamètre élargi du canal (44) de guidage, et en ce que le tronçon (60) élargi du canal (44) de guidage débouche dans l'espace (22) de culasse et a un dispositif (42) d'anti-adhérence en forme de pot à l'emplacement de la transition.
  2. Dispositif d'actionnement suivant la revendication 1, caractérisé en ce que la partie (24) d'actionnement pénètre de manière lâche dans la culasse (20) magnétique par l'intermédiaire d'un moyen (62) de centrage.
  3. Dispositif d'actionnement suivant la revendication 2, caractérisé en ce que le moyen (62) de centrage a des parois (64) de centrage coniques, qui débouchent dans un prolongement (66) de type en tourillon.
  4. Dispositif d'actionnement suivant l'une des revendications 1 à 3, caractérisé en ce que le tube (24) polaire est relié par l'une de ses extrémités libres au noyau (18) polaire et en ce que celles-ci forment une surface de pourtour extérieure commune de même diamètre.
EP05007959A 2004-06-15 2005-04-12 Dispositif de commande, notamment pour la commande de soupapes Not-in-force EP1607988B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004028871A DE102004028871A1 (de) 2004-06-15 2004-06-15 Betätigungsvorrichtung, insbesondere zum Betätigen von Ventilen
DE102004028871 2004-06-15

Publications (3)

Publication Number Publication Date
EP1607988A2 EP1607988A2 (fr) 2005-12-21
EP1607988A3 EP1607988A3 (fr) 2008-02-20
EP1607988B1 true EP1607988B1 (fr) 2011-10-19

Family

ID=34935025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05007959A Not-in-force EP1607988B1 (fr) 2004-06-15 2005-04-12 Dispositif de commande, notamment pour la commande de soupapes

Country Status (3)

Country Link
EP (1) EP1607988B1 (fr)
AT (1) ATE529869T1 (fr)
DE (1) DE102004028871A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006011078B4 (de) * 2006-03-08 2011-05-05 Thomas Magnete Gmbh Hubmagnet sowie Verfahren zu seiner Herstellung
DE102006042215B4 (de) * 2006-09-08 2018-05-30 Schaeffler Technologies AG & Co. KG Elektromagnetische Stelleinheit
DE102006054942B3 (de) * 2006-11-22 2007-12-06 Thomas Magnete Gmbh Elektromagnet zur Betätigung von Ventilen
DE102007023363A1 (de) * 2007-05-18 2008-11-20 Schaeffler Kg Elektromagnetisches Schaltventil
DE102008030452A1 (de) * 2008-06-26 2009-12-31 Hydac Electronic Gmbh Betätigungsvorrichtung
DE102008030454A1 (de) 2008-06-26 2009-12-31 Hydac Electronic Gmbh Betätigungsvorrichtung
DE102008042731A1 (de) * 2008-10-10 2010-04-15 Robert Bosch Gmbh Magnetventil
DE102008061414B4 (de) 2008-12-10 2013-01-31 Hydac Electronic Gmbh Verfahren zum Herstellen einer elektromagnetischen Betätigungsvorrichtung, insbesondere zum Betätigen von Ventilen, sowie nach dem Verfahren hergestellte Betätigungsvorrichtung
DE102011053033B4 (de) * 2011-08-26 2020-06-04 Hilite Germany Gmbh Hydraulisches Ventil
DE102015003672A1 (de) 2015-03-20 2016-09-22 Hydac Electronic Gmbh Betätigungsvorrichtung
DE102018000058A1 (de) 2018-01-05 2019-07-11 Hydac Electronic Gmbh Betätigungsvorrichtung, insbesondere zum Betätigen von Ventilen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445221A1 (de) * 1994-12-17 1996-06-20 Bosch Gmbh Robert Elektromagnetisch betätigtes Ventil, insbesondere für schlupfgeregelte hydraulische Bremsanlagen in Kraftfahrzeugen
US5606992A (en) * 1994-05-18 1997-03-04 Coltec Industries Inc. Pulse width modulated solenoid
US5986530A (en) * 1998-01-13 1999-11-16 Caterpillar Inc. Solenoid and method for manufacturing
WO2002018828A1 (fr) * 2000-08-28 2002-03-07 Nok Corporation Vanne electromagnetique
DE10104998A1 (de) * 2001-02-03 2002-08-22 Hydac Electronic Gmbh Schaltvorrichtung
DE10153019A1 (de) * 2001-10-26 2003-05-08 Ina Schaeffler Kg Elektromagnet, insbesondere Proportionalmagnet zur Betätigung eines hydraulischen Ventils

Also Published As

Publication number Publication date
EP1607988A2 (fr) 2005-12-21
ATE529869T1 (de) 2011-11-15
EP1607988A3 (fr) 2008-02-20
DE102004028871A1 (de) 2006-01-05

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