WO2009109444A1 - Elektromagnetische stellvorrichtung - Google Patents
Elektromagnetische stellvorrichtung Download PDFInfo
- Publication number
- WO2009109444A1 WO2009109444A1 PCT/EP2009/051535 EP2009051535W WO2009109444A1 WO 2009109444 A1 WO2009109444 A1 WO 2009109444A1 EP 2009051535 W EP2009051535 W EP 2009051535W WO 2009109444 A1 WO2009109444 A1 WO 2009109444A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- permanent magnet
- adjusting device
- coils
- actuator
- zei
- Prior art date
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
- H01F7/16—Rectilinearly-movable armatures
- H01F2007/1661—Electromagnets or actuators with anti-stick disc
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2209—Polarised relays with rectilinearly movable armature
Definitions
- the invention relates to an electromagnetic actuator according to the preamble of claim 1.
- Electromagnetic actuators also called actuators or actuators, servo motors or solenoids, are known in control engineering. For example, they are used to drive or adjust valves or valves for flow control of gaseous or liquid media. Most electromagnetic actuators are bistable, i. H. they have only two stable positions, z. B. open or close.
- a bistable actuator which has two coils and an armature formed as a permanent magnet, arranged on an anchor rod.
- the permanent magnet has a polarity oriented in the displacement direction of the armature and is held by the coils either in one or in the other end position.
- the coil assembly forms a two-terminal, whereby the permanent magnet is attracted by a coil and repelled simultaneously from the other coil and vice versa. This shortens the switching time.
- a Elektrohubmagnet with three detent positions, two outer end positions and a center position was known.
- the Elektrohubmagnet has a total of four coils, two stationary permanent magnets, two outer housing opposite poles, two inner housing opposite poles and two on one Push rod longitudinally movably arranged anchor. An end position is achieved in each case by energizing an outer coil by the armature is attracted by the energized coil. The middle position of the push rod is, however, achieved by the permanently magnetically held anchor by these rest on both sides of the inner housing opposite poles (partition).
- a disadvantage of the known Elektrohubmagnet are the large number of parts, eg. B. four coils, two permanent magnets and two anchors and the associated additional weight.
- the actuator comprises an actuating rod and a permanent magnet arranged thereon and that the actuator in its third detent position by the magnetic flux of the permanent magnet can be locked.
- the two coils are each at the ends of a pole tube, d. H. a tube made of magnetic material and each have a yoke, preferably made of a ferromagnetic material.
- the magnetic flux is passed through the yoke and pole tube, so that depending on the energization of the coil, a different polarity can be formed.
- control rod is arranged coaxially to the pole tube and slidably mounted within openings of the yokes.
- the permanent magnet is assigned a preferably ring-shaped holding pole, which preferably within the pole tube and approximately in the Middle is arranged between the two coils.
- the holding pole is made of a magnetic material and is - flooded by the magnetic flux of the permanent magnet - in the third detent position, ie the center position of the armature.
- the magnetic connection between the holding pole and the permanent magnet results in a magnetic locking of the actuator with currentless coils.
- preferably conical plunger anchors are provided on the end faces of the permanent magnet, which plunge into corresponding openings in the coil yoke. This increases the magnetic attraction of the coils on the actuator.
- the polarity of the permanent magnet is aligned in the direction of displacement of the actuator and the control rod.
- a north pole is formed on one end face and a south pole is formed on the opposite end face of the permanent magnet.
- a further coil in the region of the holding pole, a further coil, a so-called center coil, can be arranged which, with appropriate energization, cancels the arresting effect of the permanent magnet in its middle position and thus permits a faster adjustment of the actuator into one or the other end position. This improves the dynamics of the actuator.
- Fig. 2 is a schematic representation of the magnetic flux when switching to the center position
- Fig. 3 is a schematic representation of the magnetic flux when switching to the end positions.
- Fig. 1 shows an electromagnetic actuator 1, also called electrodynamic actuator or actuator.
- the actuator 1 has a cylindrical, magnetic pole tube 2, in which two coils 3, 4, each with a yoke 5, 6 are arranged at its ends.
- the coils 3, 4 are connected to a power supply, not shown, and can be energized in different current directions, so that opposite polarities can be formed.
- a disc-shaped permanent magnet 8 is arranged and fixedly connected to the control rod.
- flow guide plates 9, 10 are arranged, which reinforce the permanent magnet flux.
- each end face on the permanent magnet 8 and on the anchor rod 7 conically shaped plunger 13, 14 are arranged and fixed.
- the adjusting or anchor rod 7, the permanent magnet 8 in conjunction with the Flussleitblechen 9, 10, the anti-adhesive discs 1 1, 12 and the plunger anchors 13, 14 form the actuator 15 of the actuator or the actuator 1.
- an annular holding pole 16 is arranged within the pole tube 2, which surrounds the circumference of the permanent magnet 8.
- the annular holding pole 16 has a smaller inner diameter than the pole tube 2, ie, the holding pole 16 forms a radial narrowing of the pole tube 2.
- the permanent magnet 8 forms over the flux guide plates 9, 10 with the holding pole made of a magnetic material 16 a magnetic circuit, that is, the permanent magnet 8 and with it the adjusting rod 7 are held in the position shown by the magnetic forces of the permanent magnet 8.
- the permanent magnet 8 has a polarity formed in the direction of the armature rod 7, ie at its one end face there is a north pole and at the other end side a south pole.
- a further coil Radially outside the holding pole 16, a further coil, a so-called center coil 17, is arranged, the function of which is to generate a magnetic field during energization which compensates for the magnetic field of the permanent magnet 8.
- the locking effect is canceled by magnetic closure or at least reduced, so that the actuator 15 can be adjusted from the center position easier and faster in one or the other end position.
- the adjustment of the permanent magnet 8 and the actuator 15 from the illustrated center position is performed by energizing one or both coils 3, 4, so either an attraction force on the permanent magnet or an attraction of a coil and a repulsive force of the other coil on the permanent magnets act.
- FIG. 2 shows a schematic representation of the magnetic flux of the two coils 3, 4 from FIG. 1 and the permanent magnet 8 arranged on the armature rod 7.
- the magnetic flux and its direction are in the coils 3, 4 by oval lines 3a, 3b marked with arrows , 4a, 4b.
- the current direction in the two coils 3, 4 is represented by the symbols point ( ⁇ ) and cross (X).
- the magnetic flux of the permanent magnet 8, which has a north pole N and a south pole S, is indicated by the line trace 8a.
- the representation of the current flow and the magnetic flux corresponds to the switching process in which the permanent magnet 8 is moved into its central position (see FIG. As the current symbols show, both coils 3, 4 are flowed through in the same direction, ie. H.
- the coil 3 forms on the side facing the permanent magnet 8 a south pole and the coil 4 on the permanent magnet 8 side facing a north pole with the result that on the north pole N and the south pole S of the permanent magnet 8 each repulsive forces F act.
- the permanent magnet 8 is thus moved in its central position between the two coils 3, 4. There it is magnetically locked by the holding pole 16 (see Fig. 1) - as described above. After the permanent magnet 8 has reached its stable center position, the coils 3, 4 are de-energized.
- FIG. 3 shows a schematic representation of the coils 3, 4 in a switching operation, by means of which the permanent magnet 8 or the actuator 15 (see FIG. 1) is moved into an end position.
- the coils 3, 4 are traversed in opposite directions from the current, wherein the lower coil 3 as the coil 3 in Fig. 2 is connected. Therefore, the magnetic flux is also denoted by 3a, 3b.
- both coils 3, 4 act together in the same direction during the displacement of the actuator 15 (FIG. 1), resulting in shorter switching times and improved dynamics.
- the permanent magnet 8 is held on the coil yoke 5 or 6 by its permanent magnet forces, so that the coils 3, 4 can be de-energized after reaching the stable end positions.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/864,892 US8228149B2 (en) | 2008-03-06 | 2009-02-11 | Electromagnetic actuating mechanism |
JP2010549071A JP2011513979A (ja) | 2008-03-06 | 2009-02-11 | 電磁動作機構 |
CN2009801051027A CN101946292A (zh) | 2008-03-06 | 2009-02-11 | 电磁调整装置 |
AT09718492T ATE519207T1 (de) | 2008-03-06 | 2009-02-11 | Elektromagnetische stellvorrichtung |
EP09718492A EP2250651B1 (de) | 2008-03-06 | 2009-02-11 | Elektromagnetische stellvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008000534.7 | 2008-03-06 | ||
DE102008000534A DE102008000534A1 (de) | 2008-03-06 | 2008-03-06 | Elektromagnetische Stellvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009109444A1 true WO2009109444A1 (de) | 2009-09-11 |
Family
ID=40474689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/051535 WO2009109444A1 (de) | 2008-03-06 | 2009-02-11 | Elektromagnetische stellvorrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US8228149B2 (de) |
EP (1) | EP2250651B1 (de) |
JP (1) | JP2011513979A (de) |
KR (1) | KR20100125287A (de) |
CN (1) | CN101946292A (de) |
AT (1) | ATE519207T1 (de) |
DE (1) | DE102008000534A1 (de) |
WO (1) | WO2009109444A1 (de) |
Cited By (6)
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GB2466102A (en) * | 2008-12-13 | 2010-06-16 | Camcon Ltd | Multi-stable electromagnetic actuator with a magnetic material casing |
EP2395519A1 (de) * | 2010-06-10 | 2011-12-14 | LSIS Co., Ltd. | Bistabiler Permanentmagnet-Aktuator |
DE102010041086A1 (de) | 2010-09-21 | 2012-03-22 | Zf Friedrichshafen Ag | Aktuatorvorrichtung und Verfahren zur Ansteuerung |
US20130001030A1 (en) * | 2009-11-23 | 2013-01-03 | Beijingwest Industries Co., Ltd | Bi-stable shock absorber assembly |
DE102012018566A1 (de) * | 2012-09-20 | 2014-03-20 | Festo Ag & Co. Kg | Ventileinrichtung |
DE102014217738A1 (de) * | 2014-09-04 | 2016-03-10 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zum Ansteuern eines elektromagenetischen Aktors |
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DE102009026543A1 (de) | 2009-05-28 | 2010-12-02 | Zf Friedrichshafen Ag | Automatisiertes Motorradgetriebe |
EP2339681B1 (de) * | 2009-12-18 | 2013-09-18 | Bayerische Motoren Werke Aktiengesellschaft | Elektromagnetischer Aktuator |
US8686814B2 (en) * | 2010-04-15 | 2014-04-01 | Schneider Electric Industries Sas | Electric switching device with ultra-fast actuating mechanism and hybrid switch comprising one such device |
DE102010050755B4 (de) * | 2010-11-10 | 2012-10-04 | Eto Magnetic Gmbh | Multistabile elektromagnetische Stellvorrichtung |
US8212640B1 (en) * | 2011-07-26 | 2012-07-03 | Lockheed Martin Corporation | Tool having buffered electromagnet drive for depth control |
DE102011053023A1 (de) * | 2011-08-26 | 2013-02-28 | Hilite Germany Gmbh | Hydraulisches Getriebeventil |
US20130236337A1 (en) * | 2012-03-09 | 2013-09-12 | Mark A. Gummin | Solenoid actuators using embedded printed circuit coils |
US9183976B2 (en) | 2012-03-19 | 2015-11-10 | Hanchett Entry Systems, Inc. | Springless electromagnet actuator having a mode selectable magnetic armature |
DE102012204322B4 (de) | 2012-03-19 | 2022-07-14 | Zf Friedrichshafen Ag | Bidirektionale elektromagnetische Stellvorrichtung |
JP6029854B2 (ja) * | 2012-05-22 | 2016-11-24 | ミネベア株式会社 | 振動子及び振動発生器 |
DE102012107281B4 (de) * | 2012-08-08 | 2014-03-06 | Eto Magnetic Gmbh | Bistabile elektromagnetische Stellvorrichtung, Ankerbaugruppe sowie Nockenwellenverstellvorrichtung |
DE102012214624A1 (de) * | 2012-08-17 | 2014-02-20 | Robert Bosch Gmbh | Polrohr für eine Aktoreinrichtung |
WO2014194140A2 (en) * | 2013-05-29 | 2014-12-04 | Active Signal Technologies, Inc. | Electromagnetic opposing field actuators |
US10528024B2 (en) | 2013-06-17 | 2020-01-07 | Ashley Stone | Self-learning production systems with good and/or bad part variables inspection feedback |
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DE102013013585B4 (de) * | 2013-06-20 | 2020-09-17 | Rhefor Gbr | Selbsthaltemagnet mit besonders kleiner elektrischer Auslöseleistung |
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FR3012251B1 (fr) | 2013-10-21 | 2017-03-10 | Schneider Electric Ind Sas | Actionneur electromagnetique et procede de fabrication d'un tel actionneur |
US10522313B2 (en) | 2013-10-23 | 2019-12-31 | Rhefor Gbr | Reversing linear solenoid |
DE202014010132U1 (de) | 2013-10-23 | 2015-04-29 | Rhefor Gbr (Vertretungsberechtigter Gesellschafter: Arno Mecklenburg, 10999 Berlin) | Ziehbackensteuerung mit Umkehrhubmagnet |
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CN105090596B (zh) * | 2014-05-14 | 2018-04-27 | 浙江三花制冷集团有限公司 | 电磁阀及双稳态电磁线圈 |
KR200488063Y1 (ko) * | 2014-06-30 | 2018-12-10 | 엘에스산전 주식회사 | 릴레이 |
DE102015101734A1 (de) * | 2015-02-06 | 2016-08-11 | Kendrion (Donaueschingen/Engelswies) GmbH | Elektromagnetische Hubvorrichtung |
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US9709006B2 (en) | 2015-04-08 | 2017-07-18 | Ford Global Technologies, Llc | Systems and methods for depressurizing a fuel tank |
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DE102016106805A1 (de) * | 2016-04-13 | 2017-10-19 | Eto Magnetic Gmbh | Stromlos monostabile elektromagnetische Stellvorrichtung und Verwendung einer solchen |
US10024453B2 (en) * | 2016-07-15 | 2018-07-17 | Glen A. Robertson | Dual acting solenoid valve using bi-stable permanent magnet activation for energy efficiency and power versatility |
CN106298155B (zh) * | 2016-11-07 | 2017-09-12 | 温州大学 | 一种盘式电磁铁 |
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JP7393125B2 (ja) * | 2018-03-13 | 2023-12-06 | フスコ オートモーティブ ホールディングス エル・エル・シー | 中間状態を有する双安定ソレノイド |
US11448103B2 (en) * | 2018-06-28 | 2022-09-20 | Board Of Regents, The University Of Texas System | Electromagnetic soft actuators |
KR102324514B1 (ko) * | 2018-08-31 | 2021-11-10 | 엘에스일렉트릭 (주) | 직류 릴레이 |
US11640864B2 (en) * | 2019-12-05 | 2023-05-02 | Deltrol Corp. | System and method for detecting position of a solenoid plunger |
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KR102391658B1 (ko) * | 2020-06-01 | 2022-04-27 | 충남대학교산학협력단 | 영강성을 활용한 중력보상 보이스코일모터 |
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2008
- 2008-03-06 DE DE102008000534A patent/DE102008000534A1/de not_active Withdrawn
-
2009
- 2009-02-11 KR KR1020107019647A patent/KR20100125287A/ko not_active Application Discontinuation
- 2009-02-11 JP JP2010549071A patent/JP2011513979A/ja active Pending
- 2009-02-11 US US12/864,892 patent/US8228149B2/en active Active
- 2009-02-11 AT AT09718492T patent/ATE519207T1/de active
- 2009-02-11 CN CN2009801051027A patent/CN101946292A/zh active Pending
- 2009-02-11 EP EP09718492A patent/EP2250651B1/de active Active
- 2009-02-11 WO PCT/EP2009/051535 patent/WO2009109444A1/de active Application Filing
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GB258725A (en) * | 1925-09-05 | 1926-09-30 | Peter Grant | Improvements in or relating to electromagnetically actuated hammers, drills, vibrators, and other reciprocating or vibrating tools or devices |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8710945B2 (en) | 2008-12-13 | 2014-04-29 | Camcon Oil Limited | Multistable electromagnetic actuators |
EP2359376B1 (de) * | 2008-12-13 | 2016-05-04 | Camcon Oil Limited | Multistabile elektromagnetische aktoren |
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EP2395519A1 (de) * | 2010-06-10 | 2011-12-14 | LSIS Co., Ltd. | Bistabiler Permanentmagnet-Aktuator |
CN103119666A (zh) * | 2010-09-21 | 2013-05-22 | Zf腓德烈斯哈芬股份公司 | 执行装置和用于驱控的方法 |
WO2012038135A1 (de) | 2010-09-21 | 2012-03-29 | Zf Friedrichshafen Ag | Aktuatorvorrichtung und verfahren zur ansteuerung |
US8964348B2 (en) | 2010-09-21 | 2015-02-24 | Zf Friedrichshafen Ag | Actuator device and driving method |
DE102010041086A1 (de) | 2010-09-21 | 2012-03-22 | Zf Friedrichshafen Ag | Aktuatorvorrichtung und Verfahren zur Ansteuerung |
EP2619772B1 (de) * | 2010-09-21 | 2016-11-02 | ZF Friedrichshafen AG | Aktuatorvorrichtung und verfahren zur ansteuerung |
DE102012018566A1 (de) * | 2012-09-20 | 2014-03-20 | Festo Ag & Co. Kg | Ventileinrichtung |
DE102014217738A1 (de) * | 2014-09-04 | 2016-03-10 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zum Ansteuern eines elektromagenetischen Aktors |
DE102014217738B4 (de) | 2014-09-04 | 2023-03-30 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zum Ansteuern eines elektromagenetischen Aktors |
Also Published As
Publication number | Publication date |
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ATE519207T1 (de) | 2011-08-15 |
EP2250651A1 (de) | 2010-11-17 |
US20110001591A1 (en) | 2011-01-06 |
EP2250651B1 (de) | 2011-08-03 |
KR20100125287A (ko) | 2010-11-30 |
DE102008000534A1 (de) | 2009-09-10 |
JP2011513979A (ja) | 2011-04-28 |
US8228149B2 (en) | 2012-07-24 |
CN101946292A (zh) | 2011-01-12 |
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