WO1984004198A1 - Dispositif d'actionnement electromagnetique - Google Patents

Dispositif d'actionnement electromagnetique Download PDF

Info

Publication number
WO1984004198A1
WO1984004198A1 PCT/JP1984/000098 JP8400098W WO8404198A1 WO 1984004198 A1 WO1984004198 A1 WO 1984004198A1 JP 8400098 W JP8400098 W JP 8400098W WO 8404198 A1 WO8404198 A1 WO 8404198A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
movable piece
piece
electromagnet
permanent magnet
Prior art date
Application number
PCT/JP1984/000098
Other languages
English (en)
Japanese (ja)
Inventor
Tokio Uetsuhara
Original Assignee
Mitsubishi Mining & Cement Co
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
Priority claimed from JP58066666A external-priority patent/JPS59193006A/ja
Priority claimed from JP22550283A external-priority patent/JPS60119705A/ja
Application filed by Mitsubishi Mining & Cement Co filed Critical Mitsubishi Mining & Cement Co
Publication of WO1984004198A1 publication Critical patent/WO1984004198A1/fr

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

Definitions

  • the present invention relates to an electromagnetic operating device which is composed of a magnetic circuit in which a fixed piece and a movable piece are combined and applies mechanical force to a valve rod, a piston, an electric circuit breaker and the like.
  • the conventional device that operates to obtain the stable state shown in Fig. 1 (a) and C b) using the attractive force of the electromagnet is a contact pier when the fixed piece 1, which is an electromagnetic stone, is energized.
  • a suction force is applied to the movable piece 2 to displace the movable piece 2 to perform a tripping operation of an air circuit breaker (not shown) or the like.
  • the fixed piece 1 is made of a U-shaped magnet
  • the movable piece 2 is a rod-shaped armature magnetic material.
  • a fulcrum 2A is formed between the fixed piece 1 and the fixed piece 1. It is wound around the coil 3, which is the winding for the electromagnet, and the fixed piece 1.
  • Fig. 1 (a) shows a fixed piece of electric stone.
  • the fixed piece 1A is permanently attached to a part of the magnetic circuit of the electromagnet 1B.
  • This permanent magnet is constructed by inserting 1 C
  • the spring 2C is connected so as to urge the movable piece 2B in the direction of the arrow 2D, and to be smaller than the attractive force of the permanent magnet 1C that acts.
  • this conventional device is displaced from the state in which the magnetic pole surface of the electromagnet 1B constituting the fixed piece 1A and the movable piece 2B are in attracting contact to the non-attracting state.
  • the exciting current of the electromagnet 1B in the opposite direction to the magnetomotive force of the permanent magnet iC is relatively small.
  • the operating characteristics are relatively high in sensitivity and high speed compared with the conventional device shown in Figs. 1 (a) and 1 (b).
  • the mechanical force of the spring 2C for displacing the movable piece 2B is required while the force is applied, not only complicating the structure but also the magnetomotive force of the magnet 1C.
  • coils 13a and 13b are wound around a magnetic body having a large coercive force, for example, iron cores 11a and 11b to which permanent magnets 12 are connected.
  • the connector 14 is connected to the
  • Non. 3_ Reversibly maintained in either (a) or (b)
  • connection 14 is repelled and the
  • This conventional device changes the holding position of the armature 14 by energizing
  • FIG. 4 shows a conventional device that operates to obtain a bistable state used in an electric device.
  • coil 17 is held in a neutral state by fulcrum 18 in two sets of magnetic fields of electromagnet 16, and this coil 17 is charged with electricity.
  • the magnetic material 17a wound with the coil 17 is attracted to any of the magnetic coverings of the electromagnet 16, for example, (16a and 16b or (16d and 16c)).
  • a strong electromagnet is used to detect the presence or absence and the polarity of the minute current flowing through the coil 17.
  • the powerful electromagnet 16 is used. A few mA
  • the present invention has been proposed to solve the above-mentioned drawbacks, and has a small, simple, and durable electromagnetic operation which operates to obtain a monostable or bistable state with high sensitivity and high speed operation. It is intended to provide a device.
  • the present invention operates so as to be in a stable or bistable state, and comprises a magnetic circuit in which a fixed piece and a movable piece are combined.
  • one of the movable pieces is a first magnetic body composed of a first electromagnet, and the other is a second magnetic substance composed of a permanent magnet or a second electromagnet.
  • Figs. 1 (a) and (b) are explanatory diagrams of a conventional electromagnetic operating device that operates to obtain a monostable state
  • Figs. 2 (a) and (b) operate to obtain a monostable state
  • Fig. 3 is an explanatory diagram of another conventional electromagnetic operating device using a holding magnet
  • Fig. 3 is an explanatory diagram of a conventional electromagnetic operating device using a holding magnet that operates to obtain a bistable state
  • Fig. 4 is Bistable state used for polarized electric Fig. 5 (a) and (b) of the conventional electromagnetic operating device that operates in a manner similar to Fig. 5 (a) and (b).
  • FIG. 7 is an explanatory diagram of the first embodiment of the second invention
  • FIG. 8 is a second * of the second * invention
  • FIG. 9 (a) is a cross-sectional view of a second embodiment of the third embodiment of the present invention
  • FIG. 9 (b) is a view similar to that of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • * Kiyoshi will be described based on its embodiments with reference to the drawings.
  • FIGS. 5 (a) and 5 (b) show a first embodiment of the first roasted rice cake, in which a fixed piece which is a first magnetic body formed from a first electromagnet in a rectangular shape. 1 is provided with a coil 3, which is an electric winding for an electromagnet, and is provided with a contact made of a permanent magnet; arranged so as to face both magnetic pole surfaces of a movable piece 2E, which is a second magnetic body, with a fl. Is done.
  • the movable piece 2E as the second magnetic body uses a permanent magnet in this embodiment, a second electromagnet may be used, and the exciting current may be adjusted to adjust the attractive force. And more precise adjustment of repulsion.
  • the fixed piece 1 may be configured as a second magnetic body
  • the movable piece 2E may be configured as a first magnetic body. Fixed piece 1 or movable piece
  • the power source for tripping operation is a small battery, or a solar battery or the ground of a transmission / distribution line, and a short-circuit current energy source. It is possible to use very small amounts of electrical energy, such as giants, and there is no need to connect to a commercial power supply.
  • suction force, the repulsive force or the adjustment of the tripping operation current is controlled by the second method of the first invention shown in FIGS. 6 (a) and 6 (b).
  • the magnetic force can be adjusted by adjusting the magnetic resistance of a closed magnetic circuit formed by the fixed piece 1D and the movable piece 2E.
  • This fixing piece 1D bends the inner ends of the arms IE and 1E inward so as to approach each other to reduce the gap. With such a configuration, there is an advantage that the excitation current of the fixed piece 1D can be further reduced.
  • FIG. 7 shows a first embodiment of the second thick invention, in which two L-shaped i-th electromagnets 21 1 and 22 are connected to one of the heterogeneous magnetic poles 21 b and 22 b. Are opposed to each other via a gap so that a magnetic field 25 is formed, and the other polar magnetic poles 2 1 c and 22 c are yoke.
  • OMPI A combination of a movable piece 23 made of a magnetic material wound with 1 /, 23a. This movable piece 23 is connected to one terminal
  • a power supply (not shown) is connected to 23 a, and one end 23 b of the movable piece 23 corresponds to the positive or negative characteristic of the pulse signal.
  • the electromagnets 21 and 22 are excited by the coils 21a and 22a, and if one of the magnets 21b of the electromagnet 21 has N polarity, the magnet 22 magnets 22b Has the S polarity, and the movable piece
  • the state where the movable piece 23 is attracted by the magnetic poles 21b or 22b in accordance with the polarity of the pulse signal to be energized is shown in two directions. It can be converted as a value displacement. If the magnetic fluxes of the electromagnets 21 and 22 are sufficiently large, the attractive force of the electromagnets 21 and 22 acting on the movable piece 23 can be expected to exert a sufficiently strong mechanical force. In addition, when the coil 23a is energized, the conversion driving force acting on the movable piece 23 is determined by the magnetic flux of the electromagnets 21 and 22 and the current flowing through the coil 23a. Since it is proportional to the sum of the products, it has the characteristic that conversion drive can be performed with a small and short-time pulse signal as long as the magnetic flux is made sufficiently large.
  • a permanent magnet may be used. If a permanent magnet is used, an electric power supply with excellent energy saving characteristics that attracts and holds the movable piece 23 without requiring any energy supply.
  • a magnetic operating device can be obtained, and when an electromagnet is used, a device ′ for controlling the exciting current of the solenoid coils 21 a and 22 a for magnet excitation should be added. Thus, the magnitude of the suction force can be easily adjusted and controlled.
  • OMFI When clarified, two U-shaped electromagnets 31 and 32 constituting the fixed piece 38 and two different polarity magnetic poles 31b, 32b; 31c and 32c are formed.
  • the movable piece 33 of the magnetic material which is a contact wound with a driving coil 33 a wound around both magnetic fields, so as to form magnetic fields 35, 36 of Position the ends 3 3b and 3 3c respectively, connect the power supply to the coil 33a, and move the movable piece 33 to one of the magnetic stones 31 or 3 2 according to the characteristics of the pulse signal.
  • it is configured so that a magnetic short circuit is formed by snapping and sucking.
  • the electromagnets 3 1 and 3 2 are excited by exciting coils 3 1 a and 3 2 a, respectively, and on the contrary, the magnetic poles 3 1 b of the electromagnet 3 1 are set to “polarity”
  • the magnetic pole 3 2b is S-polar
  • the other magnetic pole 3 1c of the electromagnet 31 is S; ji-polar
  • the magnetic pole 32c of the electromagnet 32 opposite thereto is N-polar.
  • the electromagnet 3 Assuming that a magnetic pole of N polarity and magnetism is attracted to the magnetic pole 3 3b attracted to the magnetic pole 3 1b of 3, and a magnetic pole of S polarity is induced at the other end 3 3c attracted to S 3 1c, the electromagnet 3
  • the attraction force of the movable piece 33 by 1 instantaneously changes to a repulsive force, and at the same time, the attraction force acts on the electromagnet 32 and the movable piece 33, so that the attraction state by the electromagnet 32 is snap-like. Transfer to I do.
  • the moving piece 33 is again snapped to the state of attraction of the electromagnet 31. That is, in accordance with the polarity of the pulse signal supplied to the coil 33a, the attraction by the electromagnet 31 or the electromagnet 32 of the movable piece 33 is regarded as a binary displacement with respect to each other. If the magnetic flux generated by the electromagnets 31 and 32 is sufficiently large, the attractive force of the electromagnets 31 and 32 acting on the movable piece 33 can be expected to have a sufficiently strong mechanical force. You.
  • the conversion driving force acting on the movable piece 33 by energizing the coil 33a is the magnetic flux generated by the electromagnets 31 and 32 and the current flowing through the coil 33a. Since it is proportional to the sum of the products, the switching drive can be performed with a small and short-time pulse signal under the condition that the magnetic flux is sufficiently large.
  • the electromagnets 31 and 32 wound with the coils 31a and 32a are used, but permanent magnets may be used.
  • a device for controlling the excitation current of the excitation solenoid coils 31 and 3'2a may be added.
  • the movable piece 33 which is an armature, is a permanent magnet
  • the fixed piece 38 is a drive solenoid coil for supplying a microcurrent pulse signal.
  • it can be formed by the electromagnets 31 and 32 on which the coils are wound. With this configuration, it is possible to obtain an electromagnetic operating device that does not require electricity except during the suction position change operation and has extremely energy-saving characteristics.
  • FIGS. 9 (a) and 9 (b) show a third embodiment of the second invention. Is shown.
  • the hollow cylindrical electromagnets 4 1, 4 2 are brought into contact in the axial direction in the same direction to form a fixed piece 4 8, and a cylindrical coil 4 1 a, 4 is formed on the inner surface parallel to the cylindrical axis. 2a is wound, and the joints 4110 and 421 ⁇ 2 are made common, and the magnets 4115 and 420 generate magnetic poles that serve as the same pole plug.
  • the cylindrical permanent magnet 43 constituting the movable piece 47 is joined at its center by a cylindrical iron 45 to form a hollow cylindrical electromagnet.
  • the iron 45 is supported concentrically in the joints 41c and 42b of the electromagnets 41 and 42 so as to be slidable in the axial direction.
  • the permanent magnets 43 are located at both ends in the gap formed by the inner ends (41b and 41c) and (42b and 42c) of the electromagnets 41 and 42. Opposing the ends of the electromagnets 41 and 2 through the gap 44, the permanent magnets 4 and 4 correspond to the characteristics of the microcurrent pulse signal applied to the coils 4 la and 42 a. 3 reversibly snaps to a position where the end face attracts either of the magnetic poles 41b or 42c, and stably holds that position.
  • the last embodiment has the characteristics of a solenoid type electromagnet. While the embodiments of FIGS. 7 and 8 have the characteristics of a clapper type electromagnet, they are attracted by a relatively strong stroke. It has characteristics that can be applied economically when the power is weak, and has excellent performance such as low leakage of the magnetic circuit.
  • the fixed piece and the movable piece are displaced from the suction state to the non-suction state, and the tripping operation of the electric shield, etc. is performed. It is operated at high speed.
  • a mechanical displacement of about 100 GX1.5 mmX10 ms can be operated with an electric energy of about 1X10-S (W.S).
  • the structure Since there is no need to apply a mechanical external force due to a spring or the like, the structure is simple, compact, flexible, and suitable for mass production and inexpensive.
  • the large invention is operated with a very small excitation current, so there is not enough energy to ignite flammable gas, etc., so it can be used as a * safety explosion-proof device in factories and mines.
  • Other circuit breakers, solenoid operated valves, etc., electric switches, electromagnetic locks, electromagnetic display devices, and various other industrial and consumer applications can be used effectively.

Landscapes

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

Abstract

Un dispositif d'actionnement électromagnétique est pourvu d'un organe fixe (1, 28) et d'un organe mobile (2E, 23). L'un des organes est défini comme un premier organe magnétique consistant en un premier électro-aimant, et l'autre est défini comme un deuxième organe magnétique consistant en un aimant permanent ou un deuxième électro-aimant. L'organe mobile est maintenu de manière réversible et mobile dans une position où un circuit de court-circuitage magnétique produisant une attraction stable est formé entre l'organe fixe et l'organe mobile. Le dispositif d'actionnement électromagnétique fonctionne de manière à obtenir un état monostable ou bistable.
PCT/JP1984/000098 1983-04-15 1984-03-09 Dispositif d'actionnement electromagnetique WO1984004198A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58066666A JPS59193006A (ja) 1983-04-15 1983-04-15 電磁操作機構
JP22550283A JPS60119705A (ja) 1983-12-01 1983-12-01 電磁引外し装置

Publications (1)

Publication Number Publication Date
WO1984004198A1 true WO1984004198A1 (fr) 1984-10-25

Family

ID=26407856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1984/000098 WO1984004198A1 (fr) 1983-04-15 1984-03-09 Dispositif d'actionnement electromagnetique

Country Status (2)

Country Link
AU (1) AU2579284A (fr)
WO (1) WO1984004198A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825428A (en) * 1985-02-20 1989-04-25 Nec Corporation Optomagnetic recording, reading and erasing method and implementing apparatus which permits overwriting of previously recorded information
EP1164601A2 (fr) * 2000-06-16 2001-12-19 Canon Kabushiki Kaisha Actionneur électromagnétique, son procédé de fabrication, et dispositif de balayage optique avec un tel actionneur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU569879B2 (en) * 1984-03-05 1988-02-25 Mitsubishi Mining & Cement Co., Ltd. Electromagnetic actuator apparatus

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047848A (en) * 1962-08-09 1966-11-09 H E & B S Benson Ltd Improvements in d.c. electromagnets with permanentmagnet armatures
JPS4942617B1 (fr) * 1970-12-29 1974-11-15
JPS50101856U (fr) * 1974-01-25 1975-08-22
JPS52142267A (en) * 1976-05-20 1977-11-28 Nippon Electric Co Selffmaintaining solenoid
JPS5729108U (fr) * 1980-07-28 1982-02-16
JPS592865A (ja) * 1982-06-30 1984-01-09 Fujitsu Ltd ドライバ搭載型サ−マルヘツド
JPS595535A (ja) * 1982-06-30 1984-01-12 松下電工株式会社 ４空隙型有極電磁継電器
JPS5918411U (ja) * 1982-07-23 1984-02-04 オムロン株式会社 有極電磁石装置
JPS5933804A (ja) * 1982-08-19 1984-02-23 Matsushita Electric Works Ltd 有極型電磁石装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047848A (en) * 1962-08-09 1966-11-09 H E & B S Benson Ltd Improvements in d.c. electromagnets with permanentmagnet armatures
JPS4942617B1 (fr) * 1970-12-29 1974-11-15
JPS50101856U (fr) * 1974-01-25 1975-08-22
JPS52142267A (en) * 1976-05-20 1977-11-28 Nippon Electric Co Selffmaintaining solenoid
JPS5729108U (fr) * 1980-07-28 1982-02-16
JPS592865A (ja) * 1982-06-30 1984-01-09 Fujitsu Ltd ドライバ搭載型サ−マルヘツド
JPS595535A (ja) * 1982-06-30 1984-01-12 松下電工株式会社 ４空隙型有極電磁継電器
JPS5918411U (ja) * 1982-07-23 1984-02-04 オムロン株式会社 有極電磁石装置
JPS5933804A (ja) * 1982-08-19 1984-02-23 Matsushita Electric Works Ltd 有極型電磁石装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825428A (en) * 1985-02-20 1989-04-25 Nec Corporation Optomagnetic recording, reading and erasing method and implementing apparatus which permits overwriting of previously recorded information
EP1164601A2 (fr) * 2000-06-16 2001-12-19 Canon Kabushiki Kaisha Actionneur électromagnétique, son procédé de fabrication, et dispositif de balayage optique avec un tel actionneur
EP1164601A3 (fr) * 2000-06-16 2002-07-24 Canon Kabushiki Kaisha Actionneur électromagnétique, son procédé de fabrication, et dispositif de balayage optique avec un tel actionneur
US6674350B2 (en) 2000-06-16 2004-01-06 Canon Kabushiki Kaisha Electromagnetic actuator, optical scanner and method of preparing electromagnetic actuator
US6920681B2 (en) 2000-06-16 2005-07-26 Canon Kabushiki Kaisha Method of preparing an electromagnetic actuator using a substrate

Also Published As

Publication number Publication date
AU2579284A (en) 1984-11-07

Similar Documents

Publication Publication Date Title
US2436354A (en) Electromagnet with armature
WO2000060626A8 (fr) Relais de verrouillage magnetique et moteur lineaire
WO1986002484A1 (fr) Dispositif electromagnetique d'actionnement
US4451808A (en) Electromagnet equipped with a moving system including a permanent magnet and designed for monostable operation
WO1985004044A1 (fr) Appareil d'actionnement electromagnetique
US4609899A (en) Polarized electromagnet having three states and a control circuit for said electromagnet
JP2002319504A (ja) 電磁式リニアアクチュエータおよび回路しゃ断器のリモート操作装置
WO1986007490A1 (fr) Activateur electromagnetique
WO1984004198A1 (fr) Dispositif d'actionnement electromagnetique
JPH0236043B2 (fr)
EP0778602A3 (fr) Commande electromagnétique
JP4722601B2 (ja) 電磁操作機構およびこれを使用する電力用開閉器、電力用開閉装置
JP2003178915A (ja) 磁石システム
KR910000597Y1 (ko) 전자 액츄에이터
JPS61167367A (ja) 電磁アクチユエイタ−
JP2003016888A (ja) 電力用開閉装置の操作装置
JPH0423403B2 (fr)
JPS60119705A (ja) 電磁引外し装置
JPH04271103A (ja) 永久磁石を備えた電磁装置
JPH04286103A (ja) 永久磁石可動型電磁石
KR900003288Y1 (ko) 전자(電磁) 액츄에이터
US3363203A (en) Bistable operating reed relay
JP2003016882A (ja) 電力用開閉装置の操作装置
JPH0572726B1 (fr)
JPS5932086Y2 (ja) 有極電磁ソレノイド

Legal Events

Date Code Title Description
AK Designated states

Designated state(s): AU DE GB US

AL Designated countries for regional patents

Designated state(s): FR