KR930024033A - Bistable magnetic actuator - Google Patents

Bistable magnetic actuator Download PDF

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Publication number
KR930024033A
KR930024033A KR1019930009391A KR930009391A KR930024033A KR 930024033 A KR930024033 A KR 930024033A KR 1019930009391 A KR1019930009391 A KR 1019930009391A KR 930009391 A KR930009391 A KR 930009391A KR 930024033 A KR930024033 A KR 930024033A
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KR
South Korea
Prior art keywords
armature
pole
actuator
coil
pole piece
Prior art date
Application number
KR1019930009391A
Other languages
Korean (ko)
Inventor
세트나로윅스 지그문트
제이. 멜휘시 랄프
Original Assignee
엠. 피. 린치
웨스팅하우스 일렉트릭 코오포레이숀
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.)
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Publication date
Application filed by 엠. 피. 린치, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 엠. 피. 린치
Publication of KR930024033A publication Critical patent/KR930024033A/en

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/22Polarised relays
    • H01H51/2209Polarised relays with rectilinearly movable armature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F7/1607Armatures entering the winding
    • H01F7/1615Armatures or stationary parts of magnetic circuit having permanent magnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F2007/1669Armatures actuated by current pulse, e.g. bistable actuators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/22Polarised relays
    • H01H51/2209Polarised relays with rectilinearly movable armature
    • H01H2051/2218Polarised relays with rectilinearly movable armature having at least one movable permanent magnet

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

본 발명은 자기물질의 전기자(7)가 내부의 2개의 안정위치사이에서 축방향 이동가능하게 되어 있는 자기물질로 된 하우징(1)을 갖는 쌍안정성 자기작동기에 관한 것으로서, 이 하우징의 말단은 극편(4)(5)에 의해 폐쇄되고, 상기 전기자는 상기 극편 중 하나 또는 양쪽을 통해 축방향으로 미끄럼가능하게 안내되는 푸쉬로드(push rod) (9)를 구비하며, 상기 하우징은 대체로 일 극편으로부터 나머지 극편까지 상기 하우징의 내측으로 연장되어 있는 자기 코일(3)을 수용하고, 상기 전기자의 축방향 치수는 상기 전기자가 그것의 안정위치들 중 어느 한 위치에 있을때 상기 전기자의 말단은 상기 극핀 중 대응하는 것과 밀접한 위치에서 그것과 접촉하고 상기 전기자의 다른 말단과 상기 극편 중 다른 것 사이에는 축방향 간극(14)이 존재할 수 있도록 설정되며, 상기 코일의 활성화없이도 전기자를 자기적으로 보유하여 2개의 안정위치중 어느 한 위치에 위치시킬수 있도록 상기 전기자와 극편들에 작용하는 영구자석(12)(13)이 제공되고, 적절히 배향된 전류에 의해서 상기 코일을 활성화시키면 상기 간극과 인접해 있는 상기 전기자의 말단에서 자속 밀도가 증가하고 상기 전기자의 타단에서는 자속이 감소하도록 됨으로써, 상기 전기자가 다른 안정위치로 이동되어 상기 코일의 비활성화후 안정하게 유지될 수 있게 된다.The present invention relates to a bistable magnetic actuator having a housing (1) made of magnetic material in which the armature (7) of the magnetic material is axially movable between two stable positions therein, the end of which is the pole piece. (4) (5) closed and the armature has a push rod 9 slidably axially guided through one or both of the pole pieces, the housing being generally from one pole piece A magnetic coil 3 extending inwardly of the housing to the other pole piece, the axial dimension of the armature being the end of the armature corresponding to one of the pole pins when the armature is in one of its stable positions In contact with it at a position close to that of the arm and set such that there is an axial gap 14 between the other end of the armature and the other of the pole pieces, Permanent magnets 12 and 13 acting on the armature and the pole pieces are provided to magnetically retain the armature without activating the coil and to be positioned at any one of the two stable positions, and by means of a properly oriented current Activating the coil increases the magnetic flux density at the end of the armature adjacent to the gap and decreases the magnetic flux at the other end of the armature, whereby the armature can be moved to another stable position to remain stable after deactivation of the coil. Will be.

Description

쌍안정성 자기 작동기Bistable magnetic actuator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 쌍안정성 작동기의 일실시예에 대한 종단면도. 제2도는 본 발명에 따른 쌍안정성 작동기의 다른 실시예에 대한 종단면도. 제3도는 제2도의 쌍안정성 작동기의 평면도.1 is a longitudinal sectional view of one embodiment of a bistable actuator according to the present invention. 2 is a longitudinal sectional view of another embodiment of a bistable actuator according to the present invention. 3 is a plan view of the bistable actuator of FIG.

Claims (9)

자기물질의 전기자가 내부의 2개의 안정위치사이에서 축방향 이동가능하게 되어 있는 자기물질로 된 하우징을 갖는 쌍안정성 자기작동기에 있어서, 이 하우징의 말단은 극편에 의해 폐쇄되고, 상기 전기자는 상기 극편중 하나 또는 양쪽을 통해 축방향으로 미끄럼 가능하게 안내되는 퓌쉬로드(push rod)를 구비하며, 상기 하우징은 대체로 일 극편으로부터 나머지 극편까지 상기 하우징의 내측으로 연장되어 있는 자기 코일을 수용하고, 상기 전기자의 축방향 치수는 상기 전기자가 그것의 안정위치들 중 어느 한 위치에 있을때 상기 전기자의 말단은 상기 극편 중 대응하는 것과 밀접한 위치에서 그것과 접촉하고 상기 전기자의 다른 말단과 상기 극펀 중 다른것 사이에는 축방향 간극이 존재할 수 있도록 설정되며, 상기 코일의 활성화없이도 전기자를 자기적으로 보유하여 2개의 안정위치 중 어느 한 위치에 위치시킬 수 있도록 상기 전기자의 극편들에 작용하는 영구자석이 제공되고, 적절히 배향된 전류에 의해서 상기 코일을 활성화시키면 상기 간극과 인접해 있는 상기 전기자의 말단에서 자속 밀도가 증가하고 상기 전기자의 타단에서는 자속이 감소하도록 됨으로써, 상기 전기자가 다른 안정위치로 이동되어 상기 코일의 비활성화후 안정하게 유지될수 있도록 된 쌍안정성 자기작동기.In a bistable magnetic actuator having a housing made of magnetic material in which the armature of the magnetic material is axially movable between two stable positions therein, the end of the housing is closed by a pole piece, and the armature is closed on the pole. A push rod slidably axially guided through one or both of the pieces, the housing generally receiving a magnetic coil extending inwardly of the housing from one pole piece to the other; The axial dimension of is such that when the armature is in one of its stable positions, the end of the armature is in contact with it at a position close to the corresponding one of the pole pieces and between the other end of the armature and another of the pole punches. Axial gap is set so that the armature can be Permanent magnets are provided to act on the pole pieces of the armature so that they can be retained and positioned at any one of the two stable positions, and the armature being adjacent to the gap when the coil is activated by a properly oriented current. The magnetic flux density is increased at the end of the and the magnetic flux is reduced at the other end of the armature, so that the armature is moved to another stable position to be able to remain stable after deactivation of the coil. 제1항에 있어서, 상기 영구자석은 상기 전기자 몸체의 일부를 형성할수 있도록 상기 전기자의 말단에 장착된 축방향 자화된 자석인 작동기.2. The actuator of claim 1, wherein the permanent magnet is an axial magnetized magnet mounted at the distal end of the armature to form part of the armature body. 제2항에 있어서, 상기 자석들의 동일 자극들이 상기 극편들과 직면하게 된 작동기.The actuator of claim 2 wherein the same magnetic poles of the magnets face the pole pieces. 제1항, 제2항 또는 제3항에 있어서, 상기 전기자는 황동제 튜브라이너내에서 간극을 사이에 두고 미끄러질 수 있으며, 상기 코일은 상기 라이너와 상기 하우징 사이에 배치되는 작동기.4. The actuator according to claim 1, 2 or 3, wherein the armature can slide with a gap in a brass tube liner, and the coil is disposed between the liner and the housing. 제1항에 있어서, 상기 영구자석은 상기 전기자와 상기 코일사이에 고정 장착된 축방향 자화된 영구자석인 작동기.The actuator of claim 1, wherein the permanent magnet is an axial magnetized permanent magnet fixedly mounted between the armature and the coil. 제5항에 있어서, 상기 자석들의 동일 자극들은 상기 극편과 직면하여 결합하도록 된 작동기.6. The actuator of claim 5 wherein the same magnetic poles of the magnets are adapted to engage in facing the pole piece. 제5항 또는 제6항에 있어서, 상기 전기자가 간극을 사이에 두고 내측에서 미끄러질 수 있도록 된 황동라이너가 상기 자석과 상기 전기자 사이에 제공되는 작동기.7. An actuator according to claim 5 or 6, wherein a brass liner is provided between the magnet and the armature to allow the armature to slide inward with a gap therebetween. 제5항 또는 제6항 또는 제7항에 있어서, 전기자, 극편 및 자석의 치수는 전기자 일 극편과 결합할때 상기 극편과 결합하는 말단의 연장평면이 상기 극편들 사이의 관련 자석은 동과하지만 사익 극핀과 결합하고 있는 극에는 더욱 접근하고, 상기 전기자의 타단의 연장평면은 그것의 극들사이의 다른 자석은 통과하지만 다른 극편으로부터 멀리 떨어져 있는 그것의 극에는 접근할 수 있도록 설정된 작동기.8. The armature, pole piece and magnet dimensions according to claim 5 or 6 or 7, wherein the extension plane of the end joining the pole piece when engaging the armature one pole piece is the same as the associated magnet between the pole pieces. An actuator set closer to the pole coupled with the wing pole pin, the extension plane of the other end of the armature passing through the other magnet between its poles, but accessible to its pole remote from the other pole piece. 제1항 내지 제8항중 어느 한 항에 있어서, 상기 자석들은 소결된 네오디뮴으로 제조된 작동기.9. The actuator of any one of the preceding claims, wherein the magnets are made of sintered neodymium. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930009391A 1992-05-29 1993-05-27 Bistable magnetic actuator KR930024033A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9211431A GB2271668A (en) 1992-05-29 1992-05-29 Bistable magnetic actuator
GB9211431.3 1992-05-29

Publications (1)

Publication Number Publication Date
KR930024033A true KR930024033A (en) 1993-12-21

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Application Number Title Priority Date Filing Date
KR1019930009391A KR930024033A (en) 1992-05-29 1993-05-27 Bistable magnetic actuator

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EP (1) EP0572155A1 (en)
JP (1) JPH0638485A (en)
KR (1) KR930024033A (en)
GB (1) GB2271668A (en)

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ES2107333B1 (en) * 1994-05-20 1998-07-01 Univ Catalunya Politecnica BISTABLE ELECTROMECHANICAL DEVICE FOR LINEAR DISPLACEMENT AND MAGNETIC INTERLOCKING.
DE19958888A1 (en) * 1999-12-07 2001-06-13 Sheng Chih Sheng Bidirectional electro magnetic linear actuator for valve, has armature located in exciting coil with permanent magnets for providing holding force at end sections
JP4066040B2 (en) * 2001-01-18 2008-03-26 株式会社日立製作所 Electromagnet and operation mechanism of switchgear using the same
JP2007318859A (en) * 2006-05-24 2007-12-06 Shinko Electric Co Ltd Actuator
ES2676276T3 (en) * 2008-07-15 2018-07-18 Henkel Ag & Co. Kgaa Dosing device
FI20145100L (en) * 2014-01-30 2015-07-31 Ixtur Oy Magnet
CN104361973B (en) * 2014-08-29 2016-06-15 浙江工业大学 Direct-acting type two-way ratio electro-magnet
GB201615379D0 (en) * 2016-09-09 2016-10-26 Camcon Medical Ltd Electromagnetic actuator
CN106787934B (en) * 2016-11-24 2018-05-25 上海交通大学 Magnetic-type multistable dielectric elastomer energy converter
DE102017212820A1 (en) * 2017-07-26 2019-01-31 Robert Bosch Gmbh Bistable solenoid valve for a hydraulic brake system
ES2706538A1 (en) * 2017-09-29 2019-03-29 Merino Luis Alvarez System of maneuvers of commutation all or nothing of minimum consumption (Machine-translation by Google Translate, not legally binding)
FR3079014B1 (en) * 2018-03-16 2020-04-17 Serac Group VALVE ACTUATOR, VALVE AND MACHINE CORRESPONDING

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Also Published As

Publication number Publication date
EP0572155A1 (en) 1993-12-01
GB9211431D0 (en) 1992-07-15
JPH0638485A (en) 1994-02-10
GB2271668A (en) 1994-04-20

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