EP2630647A2 - Elektromagnetische stellvorrichtung - Google Patents
Elektromagnetische stellvorrichtungInfo
- Publication number
- EP2630647A2 EP2630647A2 EP11833885.4A EP11833885A EP2630647A2 EP 2630647 A2 EP2630647 A2 EP 2630647A2 EP 11833885 A EP11833885 A EP 11833885A EP 2630647 A2 EP2630647 A2 EP 2630647A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- armature
- profile section
- air gap
- axial direction
- 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
Links
- 230000004907 flux Effects 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000004904 shortening Methods 0.000 claims abstract description 6
- 239000011888 foil Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000002411 adverse Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000000418 atomic force spectrum Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007767 slide coating Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
-
- 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
- H01F7/13—Electromagnets; Actuators including electromagnets with armatures characterised by pulling-force characteristics
Definitions
- the present invention relates to an electromagnetic actuator according to the preamble of the main claim.
- Such a device is known for example as an electromagnetic valve device from DE 198 48 919 A1.
- an armature unit guided radially inside the coil moves and closes or closes a valve seat for the fluid to be controlled.
- the armature unit (having a cylindrical armature body) moves relative to a stationary core unit, which is part of the magnetic circuit and influences the movement behavior, in particular a magnetic armature force of the armature unit, by its design.
- the device for influencing the movement behavior or force curve of the armature movement referred to in the prior art in the transition region between the (movable) armature unit and the (stationary) core unit has a so-called control cone area (control area) which extends along the axial direction in a region of the armature Ankerhubes (namely the area immediately after the release of the armature unit of the core unit) affects the magnetic flux in the magnetic circuit between the armature unit, core unit and the other magnetic circuit elements involved.
- control area control cone area
- armature unit By suitable design of this control area (control cone area), such as a specification of an effective axial overlap, so can the movement behavior of the armature unit, in particular a course of the magnetic force along the movement stroke (Bewegungshubwegs) specifically influence, strengthen or weaken comparatively or pointwise.
- the axial overlap of armature unit and control unit in the control area which is to be presupposed as known, also brings potential disadvantages, in particular with regard to the wear or service life characteristics of electromagnetic actuators designed in this way.
- Object of the present invention is therefore to improve a generic electromagnetic actuator with respect to their operating and wear behavior, in particular to reduce adverse transverse or normal forces that promote tilting of the armature unit, and so in the context of an axially overlapping control area systems to combine favorable magnetic movement behavior and energy optimization with protection against undesired wear due to adverse friction.
- control area (control cone area) between the armature unit and the core unit is set up by configuring the (magnetic) flow-effective cross sections of the first or second profile section such that in the usual operating current for the coil unit causing the armature unit to move Flow and force compensation in the nature of a regulatory effect is achieved.
- the profile sections are configured such that in the case of a tilting or a deflection in a first region of the associated (radial) air gap, the increased transverse force (normal force) is compensated for by the fact that, for an associated magnetic flux (corresponding to the shortened air gap). Flooding) a magnetic resistance in this area increases.
- the profile sections are designed with respect to their flow-effective material cross-section so that it comes in a corresponding tilted state of the armature unit in the (radial) narrow region of the air gap through the resulting increased saturation saturation, thus creating a flux-effective magnetic resistance, which then This leads to the fact that the magnetic flux is displaced or displaced into other areas of the air gap (back). This then has a directly the adverse normal or lateral force reducing effect, with the advantageous result of lower friction, correspondingly lower energy consumption and reduced wear.
- the principle according to the invention results in the usual, movement-typical operating currents for the coil unit, an effective displacement of the lateral force-promoting magnetic flux from the region of the shortest air gap is carried out in other areas, since the magnetic saturation effect - corresponding compensatory - offers a higher magnetic resistance.
- the inventive principle can be realized by suitable design of the profile sections, which then, adapted to be expected in typical operating conditions flooding, are designed so that they learn at radially minimized minimized air gap targeted a magnetic flux resistance increase (or saturation).
- This is then to optimize according to a respective requirement, with about flat cone angle inherently have the advantage of lower lateral forces, but at the same time so that an effective axial coverage area is smaller.
- an embodiment has been found to be a so-called inner cone.
- a narrow conical ring (as a second profile section) of the core unit which tends to saturate magnetically due to its flux-effective cross-sectional configuration, enters an inner annular shoulder (cone shoulder) at the front end of the armature unit. Due to the narrow cone-shaped annular shoulder, the associated armature section reacts sensitively to changes in the magnetic flux and, in accordance with the above-described mechanism of action, generates compensating (righting up) magnetic forces which counteract the disadvantageous armature skew.
- the present invention is suitable in a favorable manner as for the realization of valve devices, more preferably pneumatic valve devices, but is not limited to this field of application.
- the advantage of the present invention can be used favorably in all forms of implementation of electromagnetic actuators, in which - caused by design or play - tilting or deflecting the armature unit in an armature guide causes adverse friction or wear and used anyway to influence the magnetic force curve Profile elements in the control area (control cone area) can be dimensioned and used for realizing the invention advantageous compensation behavior.
- FIG. 1 shows a schematic half-longitudinal section through the essential magnetic functional components of electromagnetic actuator according to a first embodiment of the invention
- 3 is a longitudinal sectional view through a 2/2-way valve, realized by an electromagnetic actuator for clarifying the
- FIG. 4 shows a half-longitudinal view similar to FIG. 1 for illustrating a configuration of the profile sections of the control area which is disadvantageous compared to the realization of FIG
- Fig. 3 illustrates the application context of the present invention; shown is a structurally otherwise known 2/2-way valve, which finds use in the automotive sector and is provided in cooperation between the anchor unit and cone unit with a cone control.
- FIG. 3 which is intended to be disclosed with its features in the context of use outside the control area as belonging to the present invention, a housing 10 which carries a held on a bobbin 12 stationary winding 14.
- an armature guide tube 16 receiving arrangement along an axis of movement 18 an armature unit 20 is guided, which has a cylindrical outer contour, against the force of a compression spring 22 from a stationary core portion 24 in the axial direction supported and, opposite to the core portion 24, a valve rubber insert 26 which is for closing a valve seat 28, in response to an axial movement of the armature unit 20 is formed.
- the valve effect arises between a supply connection 30 and a working connection 32.
- the anchor unit 20 is provided on the shell side in an otherwise known manner by means of a PTFE or MoS 2 sliding coating; a sliding foil for the storage of the anchor unit does not exist.
- the armature unit 20 moves along the longitudinal axis of movement 18 in the vertical direction (Z in Fig. 3).
- the orthogonal to this axis directions X, Y are drawn accordingly.
- control range in the magnetic transition between the core unit 24 and the partially hollow cylindrical armature unit 20 is illustrated in the enlarged, half-longitudinal view of FIG. 1, wherein, in the immediate comparison, the embodiment of FIG. 4 is not in the sense shows the invention optimized and advantageous control range.
- the core portion has an annular projection 34 extending from the engagement-side end surface of the core unit 24 inwardly toward the axis 18 relative to an inner annular shoulder 36 of the associated engagement-side end portion of the armature unit 20 is provided.
- these cone angles are configured identically, so that in the case of a central position of the armature unit (ie untilted, in contrast to the illustration of FIG. 2), the flank angles coincide.
- the integrally abutting, ring-shaped and conical projection 34 is now configured such that at a typical operating current through the coil unit 12, 14 (or a flux occurring in the transition region to the armature unit, in particular in the vertical air gap 40), then saturation occurs when this air gap (40 'in Fig. 2) in the left-hand area is very narrow, thereby increasing the magnetic flux in this area and the associated portion of the projection 34, which then, due to the comparatively narrow ring diameter, here the saturation priority he follows.
- this advantageously leads to a magnetic flux being increased over the local air gap area 40 "in the (radially) opposite, right-hand region, due to which saturation in the left-hand region of the annular projection 34 displaces or displaces magnetic flux outside this region.
- the present invention is not limited to the specific embodiment shown, but there are numerous ways and possibilities, in the context of the present invention, the control area by appropriate profiling of the cone-side and the armature-side end portion form.
- the contour of FIG. 2 ring projection on the core side is radially inward
- an annular end 50 on the outer side of the shell has proven to be advantageous, since it additionally allows disadvantageous friction to be reduced at the surrounding armature guide.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18180022.8A EP3399529B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
EP18180013.7A EP3401936B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010048808A DE102010048808A1 (de) | 2010-10-20 | 2010-10-20 | Elektromagnetische Stellvorrichtung |
PCT/EP2011/068380 WO2012052528A2 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18180022.8A Division-Into EP3399529B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
EP18180022.8A Division EP3399529B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
EP18180013.7A Division EP3401936B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
EP18180013.7A Division-Into EP3401936B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2630647A2 true EP2630647A2 (de) | 2013-08-28 |
EP2630647B1 EP2630647B1 (de) | 2018-12-12 |
Family
ID=45923067
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18180013.7A Active EP3401936B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
EP11833885.4A Active EP2630647B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
EP18180022.8A Active EP3399529B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18180013.7A Active EP3401936B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18180022.8A Active EP3399529B1 (de) | 2010-10-20 | 2011-10-20 | Elektromagnetische stellvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US9236175B2 (de) |
EP (3) | EP3401936B1 (de) |
CN (1) | CN103282979B (de) |
DE (1) | DE102010048808A1 (de) |
WO (1) | WO2012052528A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022117818A1 (de) | 2020-12-04 | 2022-06-09 | Eto Magnetic Gmbh | Elektromagnetische aktorvorrichtung, magnetventil und verfahren zum betrieb der elektromagnetischen aktorvorrichtung |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014222504A1 (de) * | 2014-11-04 | 2016-05-04 | Robert Bosch Gmbh | Ventileinrichtung |
JP7023737B2 (ja) * | 2018-02-21 | 2022-02-22 | 株式会社鷺宮製作所 | 電動弁および冷凍サイクルシステム |
EP3758028B1 (de) * | 2019-06-24 | 2023-02-15 | Otis Elevator Company | Aktuator |
WO2021038773A1 (ja) * | 2019-08-28 | 2021-03-04 | 株式会社ハーモニック・ドライブ・システムズ | プッシュプルソレノイド |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2809975A1 (de) | 1978-03-08 | 1979-09-20 | Bosch Gmbh Robert | Magnetstellwerk fuer eine regeleinrichtung |
JPH0134326Y2 (de) * | 1981-04-22 | 1989-10-19 | ||
US4604600A (en) * | 1983-12-23 | 1986-08-05 | G. W. Lisk Company, Inc. | Solenoid construction and method for making the same |
DE68915998T2 (de) | 1988-08-08 | 1994-12-15 | Mitsubishi Mining & Cement Co | Kolbenartiger elektromagnet. |
DE3829676A1 (de) | 1988-09-01 | 1990-03-15 | Olympia Aeg | Tauchankermagnet, sowie dessen verwendung als druckhammer in einer druckhammervorrichtung |
DE3927150A1 (de) | 1989-08-17 | 1991-02-21 | Fichtel & Sachs Ag | Magnetventil mit kurzhubigem magnetanker |
US5261637A (en) | 1992-07-07 | 1993-11-16 | Lectron Products, Inc. | Electrical variable orifice actuator |
DE4244444A1 (de) | 1992-12-23 | 1994-07-07 | Mannesmann Ag | Elektromagnetventil |
DE4334031C2 (de) | 1993-10-06 | 1998-02-12 | Kuhnke Gmbh Kg H | Verfahren zum Betrieb eines bistabilen Hubmagneten und Hubmagnet zur Durchführung des Verfahrens |
EP0701054A3 (de) | 1994-09-09 | 1996-06-12 | Gen Motors Corp | Linearer Solenoidstellantrieb für ein Abgasrückführungsventil |
US6076550A (en) | 1995-09-08 | 2000-06-20 | Toto Ltd. | Solenoid and solenoid valve |
US5722367A (en) | 1995-10-10 | 1998-03-03 | Walbro Corporation | Engine idle speed air control |
DE29723517U1 (de) | 1997-09-24 | 1998-09-24 | Kuhnke GmbH, 23714 Malente | Vorrichtung, insbesondere elektromagnetische Vorrichtung |
ES1039824Y (es) | 1998-04-08 | 1999-06-01 | Bitron Ind Espana Sa | Electrovalvula proporcional reguladora de caudal por membrana de efecto directo. |
DE19848919A1 (de) | 1998-10-23 | 2000-04-27 | Elektroteile Gmbh | Magnetventil |
US6392516B1 (en) * | 1998-12-04 | 2002-05-21 | Tlx Technologies | Latching solenoid with improved pull force |
JP4594468B2 (ja) * | 1999-11-08 | 2010-12-08 | 中日電機工業株式会社 | 電磁石 |
US6759934B2 (en) * | 2000-09-11 | 2004-07-06 | Delphi Technologies, Inc. | Proportionally-controllable solenoid actuator |
DE10251851A1 (de) | 2002-07-16 | 2004-02-12 | Eto Magnetic Kg | Elektromagnetische Stellvorrichtung |
US6615780B1 (en) * | 2002-08-16 | 2003-09-09 | Delphi Technologies, Inc. | Method and apparatus for a solenoid assembly |
US6877717B2 (en) | 2003-03-14 | 2005-04-12 | Kelsey-Hayes Company | Control valve for a vehicular brake system |
US7209020B2 (en) | 2003-06-09 | 2007-04-24 | Borgwarner Inc. | Variable force solenoid |
DE102004002528A1 (de) * | 2004-01-12 | 2005-08-04 | Siemens Ag | Elektromagnetischer Linearantrieb |
DE102004023905B4 (de) | 2004-05-13 | 2013-09-19 | Bürkert Werke GmbH | Elektromagnetische Betätigungseinrichtung |
JP4285354B2 (ja) * | 2004-07-26 | 2009-06-24 | 株式会社デンソー | リニアソレノイドおよび電磁弁 |
JP4571189B2 (ja) | 2005-05-31 | 2010-10-27 | ミネベア株式会社 | ロング比例ストロークフォースモータ |
GB0603171D0 (en) * | 2006-02-17 | 2006-03-29 | Rolls Royce Plc | An actuator |
US7808134B2 (en) | 2006-06-16 | 2010-10-05 | Continental Automotive Canada, Inc. | Active control mount magnetic optimization for an engine |
DE102008034609B4 (de) * | 2008-07-25 | 2010-06-10 | Thomas Magnete Gmbh | Elektromagnet |
DE202008017033U1 (de) | 2008-12-30 | 2010-05-12 | Eto Magnetic Gmbh | Elektromagnetische Stellvorrichtung |
-
2010
- 2010-10-20 DE DE102010048808A patent/DE102010048808A1/de not_active Ceased
-
2011
- 2011-10-20 EP EP18180013.7A patent/EP3401936B1/de active Active
- 2011-10-20 US US13/880,543 patent/US9236175B2/en active Active
- 2011-10-20 CN CN201180061065.1A patent/CN103282979B/zh active Active
- 2011-10-20 EP EP11833885.4A patent/EP2630647B1/de active Active
- 2011-10-20 WO PCT/EP2011/068380 patent/WO2012052528A2/de active Application Filing
- 2011-10-20 EP EP18180022.8A patent/EP3399529B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2012052528A2 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022117818A1 (de) | 2020-12-04 | 2022-06-09 | Eto Magnetic Gmbh | Elektromagnetische aktorvorrichtung, magnetventil und verfahren zum betrieb der elektromagnetischen aktorvorrichtung |
DE102020132351A1 (de) | 2020-12-04 | 2022-06-09 | Eto Magnetic Gmbh | Elektromagnetische Aktorvorrichtung, Magnetventil und Verfahren zum Betrieb der elektromagnetischen Aktorvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP3401936B1 (de) | 2019-12-25 |
WO2012052528A3 (de) | 2012-11-22 |
US9236175B2 (en) | 2016-01-12 |
CN103282979B (zh) | 2016-10-12 |
DE102010048808A1 (de) | 2012-04-26 |
CN103282979A (zh) | 2013-09-04 |
EP2630647B1 (de) | 2018-12-12 |
EP3401936A1 (de) | 2018-11-14 |
EP3399529A1 (de) | 2018-11-07 |
WO2012052528A2 (de) | 2012-04-26 |
EP3399529B1 (de) | 2019-12-25 |
US20130265125A1 (en) | 2013-10-10 |
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