CN1599227A - Contactless magnomotive, magnetic confinement mechanism - Google Patents

Contactless magnomotive, magnetic confinement mechanism Download PDF

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Publication number
CN1599227A
CN1599227A CN 200410046602 CN200410046602A CN1599227A CN 1599227 A CN1599227 A CN 1599227A CN 200410046602 CN200410046602 CN 200410046602 CN 200410046602 A CN200410046602 A CN 200410046602A CN 1599227 A CN1599227 A CN 1599227A
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magnetic
magnetic core
solenoid
magnet ring
tube
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谭晛
谭皓
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Abstract

An active form non-contacting magnetic driving and magnetic confinement machine. It uses the electromagnetic field of the live solenoid to produce the effect of magnetization-repulsion to the magnetic cores with permanent magnetism and then makes the machine work or be restrained. The solenoid and the magnetic core do not contact with each other directly and are in the state of the magnetic suspension. It can be applied to the reciprocating power machines, transmission gears and their devices, automatic control and detecting devices and their parts, shockproof buffer and elastic restraint devices and their parts and so on. It can be applied to switch and motion devices and their parts as well as the shockproof buffer and elastic restraint devices and their parts.

Description

Non-contact magnetically is moving, magnetic confinement mechanism
Relate to field machine power and machine driving, instrument and meter and control automatically, controlled valve and fields such as detection means, magnetic material and electrotechnics application technology.
Background technology the present invention is based on high performance magnetic material and moulding process appearance and perfect thereof, makes that theory is combined with application.Do not find as yet before this this principle is applied to electromagnetic power involved in the present invention and magnetic constraint mechanism, comprise unit and device.
Goal of the invention provides the working method and the magnetic the way of restraint of a kind of electromagnetic power and transmission, and mode mechanism's essential structure of deriving thus, and it is applied in machine power and machine driving, instrument and meter and control automatically, controlled valve and fields such as detection means, magnetic material and electrotechnics application technology.
Summary of the invention
1. active non-contact magnetically is moving, magnetic confinement mechanism
Essential structure: solenoid+magnetic core.Solenoid is that magnetic core is the Magnetic Induction element with magnetic property by the electromagnetic induction element of electric conducting material and other material.Solenoid is the outside that is enclosed within magnetic core, and magnetic core and solenoid can relative translation or constraints (Fig. 1) mutually on its common axis under the effect of electricity.
Basic functional principle: after solenoid feeds electric current, magnetic field of generation in its pipe, the current strength of the magnetic flux density in this magnetic field, direction and solenoidal coil turn, loop density, feeding, the sense of current etc. are relevant.The appearance of solenoidal field will influence and act on be enclosed within the pipe in magnetic core, if this effect is enough big, it will cause relative displacement or constraint mutually between solenoid and the magnetic core: (1) is when solenoid internal magnetic field direction and magnetic core internal magnetic field direction are consistent, be subjected to attraction force acts each other, the dynamic balance point that a best is arranged in the pipe, both also keep relative translation to constrain in the state of this position to this position; (2) when solenoid internal magnetic field direction is opposite with magnetic core internal magnetic field direction, be subjected to the repulsive force effect each other, dynamic balance point is outside pipe, and both constrain in relative translation the state of this position to one of them balance point and maintenance; (3) when solenoid internal magnetic field direction and magnetic core internal magnetic field direction alternate, produce attraction-repulsive interaction alternately each other, they will be reciprocating back and forth along the axis.Stationary solenoids, then magnetic core motion; Fixed magnetic core, then solenoid motion.Do not have between solenoid and the magnetic core and directly contact, the transmission of power is to realize by the intrinsic magnetic field of solenoidal electromagnetic field and magnetic core, and both are in the floating state of magnetic fully in the work.
The operation principle of energization solenoid and permanent magnetism magnetic core and operating characteristic provide the foundation for making electromagnetic power mechanism, electromagnetic confinement mechanism etc.
2. passive type non-contact magnetically constraint mechanism
Essential structure: magnet ring or magnetic tube+magnetic core.Magnet ring or magnetic tube and magnetic core all are the Magnetic Induction elements with magnetic property.Magnet ring or magnetic tube are the outsides that is enclosed within magnetic core, and magnetic core and magnet ring or magnetic tube can relative translations on its common axis under the effect of power, are constrained in equilbrium position (Fig. 2 (a) (b)) under the perhaps unable situation mutually.
Basic functional principle: magnet ring or magnetic tube+magnetic core all respectively have magnetic field separately, the other side will influence each other when being nested together: (1) is when both internal magnetic field direction is identical, what magnetic core showed in magnet ring or magnetic tube is to attract each other, and under the effect of attraction, impel both to move relatively, reach best dynamic balance state.Best dynamic balance position should be mid point or a nearly midpoint in magnet ring or magnetic tube, and it is relevant that particular location and physical property, overall dimension, the mechanism of magnet construct etc.In fact, fixedly magnet ring or magnetic tube, allow magnetic core outside a port of magnet ring or magnetic tube, enter magnet ring or magnetic tube along the axis translation, pass from the other end along the axis again, magnetic core is subjected to the active force ordering of magnet ring or magnetic tube to be in this translation process: repel---attraction---(balance)---attraction---repulsion, what be that magnetic core is subjected to outside two-port is to repel, and what be subjected to behind the entry port is to attract, and is in dynamic balance (Fig. 3) at mid point or nearly midpoint.Magnet ring or magnetic tube and magnetic core will be finished this process, promptly break through and repel---and the power barrier of attraction, must apply bigger external force could realize.Conversely, fixed magnetic core allows magnet ring or magnetic tube do this moving, and the result is the same; (2) when both internal magnetic field is opposite, magnet ring or magnetic tube and magnetic core in ring or pipe performance be to repel, and under the effect of repulsive force, impel both to move relatively, reach the dynamic balance state of the best.Best dynamic balance position should be magnet ring outside or magnetic tube port or proximal port place, and particular location is constructed etc. relevant with physical property, overall dimension, the mechanism of magnet equally.In fact, fixedly magnet ring or magnetic tube, allow magnetic core outside a port of magnet ring or magnetic tube, enter magnet ring or magnetic tube along the axis translation, pass from the other end along the axis again, magnetic core is subjected to the active force ordering of magnet ring or magnetic tube to be in this translation process: attract---(balance)---repulsion---(balance)---attraction, what be that magnetic core is subjected to outside two-port is to attract, in the port or proximal port everywhere in dynamic balance, what be subjected to behind the entry port is to repel, and reaches maximum (Fig. 4) at mid point or nearly midpoint repulsion.Magnet ring or magnetic tube and magnetic core will be finished this process, promptly break through to attract---and the power barrier of repulsion, must apply bigger external force could realize.Conversely, fixed magnetic core allows magnet ring or magnetic tube do this moving, and the result is the same.Do not have between magnet ring or magnetic tube and the magnetic core and directly contact, the transmission of power is to realize by both intrinsic magnetic fields, and both are in the floating state of magnetic fully in the work.
The operation principle of permanent magnetism magnet ring or magnetic tube and magnetic core and operating characteristic provide the foundation for making magnetic constraint mechanism etc.
Description of drawings
The active non-contact magnetically of Fig. 1 is moving, the essential structure of magnetic confinement mechanism: solenoid+magnetic core, and wherein L is a solenoid, and x is a magnetic core, and Z-Z ' is common axis; Solenoid internal magnetic field direction, magnetic core internal magnetic field direction are parallel with the axis.
The essential structure of Fig. 2 passive type non-contact magnetically constraint mechanism: magnet ring or magnetic tube+magnetic core, wherein H is magnet ring or magnetic tube, and X is a magnetic core, and Z-Z ' is common axis; Magnet ring or magnetic tube internal magnetic field direction, magnetic core internal magnetic field direction are parallel with the axis; Solid line position is the equilbrium position, and dotted line position is the repulsive force maximum position.(a) internal magnetic field of magnet ring or magnetic tube is consistent with magnetic core internal magnetic field direction; (b) internal magnetic field of magnet ring or magnetic tube is opposite with magnetic core internal magnetic field direction.
When Fig. 3 magnetic direction is identical, active force signal on the axis.Corresponding (Fig. 2 (a)), wherein abscissa is common axis Z-Z ' position coordinates, and o is mid point or a nearly midpoint in magnet ring or the magnetic tube, and ordinate is interaction force f ,+be worth and be attraction ,-be worth and be repulsive force.
When Fig. 4 magnetic direction is opposite, active force signal on the axis, corresponding (Fig. 2 (b)), wherein abscissa is common axis Z-Z ' position coordinates, and o is mid point or a nearly midpoint in magnet ring or the magnetic tube, and ordinate is interaction force f, + be worth and be attraction ,-be worth and be repulsive force.
Fig. 5 (a) (b) (c) solenoid can be identical with core length, also can be different.
Fig. 6 (a) (b) (c) (d) solenoid and magnetic core can according to circumstances make up mutually.
Fig. 7 (a) (b) (c) magnet ring, magnetic tube can be identical with core length, also can be different.
Fig. 8 (a) (b) (c) (d) (e) magnet ring, magnetic tube and magnetic core can according to circumstances make up mutually.
The operation principle signal of Fig. 9 syllogic switch and actuating mechanism, (-), (0) and (+) are three operating positions.This figure magnet ring or magnetic tube are fixed part, and magnetic core is a movable part, and real process also can be fixed magnetic core conversely, and magnet ring or magnetic tube are movable part.
The operation principle signal of Figure 10 two-period form switch and actuating mechanism.(-) and (+) is two operating positions.This figure magnet ring or magnetic tube are movable part, and magnetic core is a fixed part, and real process also can be fixed magnet ring or magnetic tube conversely, and magnetic core is a movable part.
Embodiment
1. active non-contact magnetically is moving, magnetic confinement mechanism
Active non-contact magnetically is moving, one of the important critical component of magnetic confinement mechanism is a solenoid, and one is magnetic core.
Solenoid is an inductance element by electric conducting material and other material.It plays transducing in mechanism.Solenoid can be to be made of one group of coil, also can be to be made of many groups coil combination.Magnetic core is the sensing element with magnetic property, and it can be made by permanent magnetic material, permanent-magnetic composite materials and other materials processing; Solenoid is the outside that is enclosed within magnetic core, and they have common axis, and can relative translation on the axis.
If as fixed part, magnetic core is as moving component in mechanism for solenoid, then the effect of magnetic core in mechanism is power output or restrained; If as fixed part, solenoid is as moving component in mechanism for magnetic core, then the effect of solenoid in mechanism is power output or restrained; Solenoid and magnetic core also can be all as movable parts in mechanism.
Solenoid can be identical with core length, also can be different, (Fig. 5 (a) is (c) (b)).Solenoid and magnetic core can be according to circumstances by one or more mechanisms that are combined into mutually, (Fig. 6 (a) (b) (c) (d)).
(1) is applied to reciprocators such as reciprocating electric, compressor, electrically operated hammer
Solenoid is imposed alternating current, produce alternating magnetic field in the solenoid, make that action direction (i.e. attraction---the repulsion) handover between solenoid and the magnetic core changes, its action then is reciprocating motion, and this has just possessed the groundwork characteristics of reciprocating power machine.
(2) be applied to gearings such as drive link, stamping machine, brake, mechanical arm, joint of robot, valve
The current strength that solenoid is imposed, the senses of current etc. are controlled, the effect of magnetic field, solenoidal field and the magnetic core that produces in the solenoid (being the size, direction, equilbrium position, work shift speed, distance etc. of active force) can be under control, and meets the job requirement of gearings such as drive link, stamping machine, brake, mechanical arm, joint of robot, valve.
(3) be applied to impact power, transmission machinery and machineries such as electric hammer, pulse brake
Solenoid is imposed pulse current, produce pulsed magnetic field in the solenoid, make to produce a kind of discrete effect between solenoid and the magnetic core, be fit to make machine and the machinery that needs obtain pulse action.
(4) be applied to instantaneous operation device and devices such as switch, D.C. contactor, control device
Solenoid is imposed the direct current or the outage of direct current, controllable direction, solenoidal field is along with the supply moment increase or the change of electric current, make the effect between solenoid and the magnetic core produce suddenly or disappearance, impel mechanism to move rapidly, meet instantaneous operation device and requirement on devices such as device such as switch, D.C. contactor.
(5) be applied to shockproof, buffering, constraint, flexible member etc.
Solenoid is imposed constant or adjustable direct current, produce constant or adjustable magnetic field in the solenoid, make to produce a kind of constant magnitude or variable effect between solenoid and the magnetic core, can be used for components and parts and mechanisms such as shockproof, buffering, constraint, elasticity.
(6) be applied to instrument and meter, transducer, mechanics and electrotechnics measuring component etc.
By detect feeding the variation of solenoid current size, solenoid and magnetic core relative position, can recognizing the size that is carried on power in the mechanism, current variation etc.
2. passive type non-contact magnetically constraint mechanism
One of the important critical component of passive type non-contact magnetically constraint mechanism is magnet ring or magnetic tube (short being referred to as encircles, and long being referred to as managed), and one is magnetic core.
Magnet ring or magnetic tube and magnetic core are the Magnetic Induction elements with magnetic property, and they can be made by permanent magnetic material, permanent-magnetic composite materials and other materials processing; Magnet ring or magnetic tube are the outsides that is enclosed within magnetic core; They have common axis, and can relative translation on the axis.
If as fixed part, then magnetic core is exactly a moving component in mechanism for magnet ring or magnetic tube, its effect is controlled or restrained; If as fixed part, then magnet ring or magnetic tube are exactly moving component to magnetic core in mechanism, its effect is controlled or restrained; Magnet ring or magnetic tube and magnetic core also can be all as movable parts in mechanism.
Magnet ring, magnetic tube can be identical with core length, also can different (Fig. 7 (a) is (c) (b)); Magnet ring, magnetic tube and magnetic core can according to circumstances make up (Fig. 8 (a) (b) (c) (d) (e)) mutually.
(1) is applied to syllogic switch and actuating mechanism thereof and components and parts
The internal magnetic field of magnet ring or magnetic tube is consistent with the internal magnetic field direction of magnetic core, interaction force shows as on the axis: repel---attracts---(balance)---attraction---repulsion, if the equilbrium position note is made (0) point, outside crossing mutual maximum repulsion place in two ends, the action terminal is set in addition, and note work (+) and (-), then just there are (+), (-) and (0) three operating position (Fig. 9) in this mechanism.
(2) be applied to two-period form switch and actuating mechanism thereof and components and parts
The internal magnetic field of magnet ring or magnetic tube is opposite with the internal magnetic field direction of magnetic core, interaction force shows as on the axis: attract, and------repelling---(balance)---attracts (balance), if one of them equilbrium position note is made (-) point, another equilbrium position note is done (+), and then just there are (+) and (-) two operating positions (Figure 10) in this mechanism.
(3) be applied to mechanism and components and parts such as shockproof, buffering, constraint, elasticity
No matter whether the internal magnetic field of magnet ring or magnetic tube is consistent with the internal magnetic field direction of magnetic core, on the axis, there is attraction all the time and repels two kinds of power, these two kinds of power can play the effect of constraint and buffering, and the working limit of these two kinds of power is by the decision of the factors such as structure of the performance of magnetic material and device.

Claims (6)

1. moving, the magnetic confinement mechanism of an active non-contact magnetically, it is characterized in that: (1) solenoid and magnetic core are the key feature of mechanism.Solenoid is by the electromagnetic induction element of electric conducting material and other material, and it is to be enclosed within outside the magnetic core; Magnetic core is the Magnetic Induction element with magnetic property, and it can be made by permanent magnetic material, permanent-magnetic composite materials or with other materials processing, and it is enclosed in the solenoid; (2) solenoid and magnetic core have a common axis, their internal magnetic field and this parallel axes; (3) the action of a magnetic field of solenoid energising generation in pipe is in magnetic core, and the intrinsic magnetic field of magnetic core reacts on solenoid simultaneously, makes it that action or constraint can take place each other; (4) work characteristics of mechanism is: the relative translation, reciprocating on its common axis of solenoid and magnetic core, perhaps constraint mutually.Stationary solenoids, magnetic core motion or restrained; Fixed magnetic core, solenoid motion or restrained; (5) do not have between solenoid and the magnetic core and directly contact, during work, the transmission of power is to realize by magnetic field, and is that a kind of maglev type attracts and repels.
2. passive type non-contact magnetically constraint mechanism, it is characterized in that: (1) magnet ring or magnetic tube and magnetic core are the key feature of mechanism.Magnet ring or magnetic tube and magnetic core all are by the Magnetic Induction element with magnetic property, and they can be made by permanent magnetic material, permanent-magnetic composite materials or with other materials processing, and magnet ring or magnetic tube are enclosed within outside the magnetic core; Magnetic core is enclosed in magnet ring or the magnetic tube; (2) magnet ring or magnetic tube and magnetic core have a common axis, their internal magnetic field and this parallel axes; (3) intrinsic magnetic field of magnet ring or magnetic tube acts on magnetic core, and the intrinsic magnetic field of magnetic core reacts on magnet ring or magnetic tube simultaneously, makes it that action or constraint can take place each other; (4) work characteristics of mechanism is: under certain external force promotes, and the relative translation on its common axis of magnet ring or magnetic tube and magnetic core; No external force then can retrain when promoting mutually.Fixedly magnet ring or magnetic tube, magnetic core can move or be restrained; Fixed magnetic core, magnet ring or magnetic tube can move or be restrained.(5) do not have between magnet ring or magnetic tube and the magnetic core and directly contact, and be in a kind of maglev type all the time and attract and the repulsion state.
3. according to 1, a kind of active non-contact magnetically is moving, magnetic confinement mechanism production method: (1) forms the solenoid of mechanism can be by one or more groups, identical or different coil forms; Magnetic core also can be by one or more snippets, identical or different magnetic joint forms; So-called identical or different, be meant identical or different on physics, the chemical sense; (2) solenoid or magnetic core either party can be as the fixed part of mechanism, the opposing party then becomes the motion of mechanism parts; Also can be all as the motion of mechanism parts; (3) shape of solenoid and magnetic core, and length each other, permutation and combination method etc. can be determined as the case may be.
4. according to 1, a kind of active non-contact magnetically is moving, magnetic confinement mechanism application: the manufacturing of (1) power and transmission machinery, machinery, as: reciprocating electric, compressor, stamping machine, electrically operated hammer, drive link, mechanical arm, brake, joint of robot, valve etc.; The making of (2) control, sensing, measurement mechanism and components and parts, as: switch, contactor, transducer, electromagnetic detection instrument and meter, mechanics detecting instrument instrument etc.; (3) manufacturing of buffering, restraint device and device, as: vibration absorber, flexible member, constraint device etc.; (4) other manufacturing field.
5. according to 2, a kind of passive type non-contact magnetically constraint mechanism production method: magnet ring or magnetic tube that (1) forms mechanism can be that one or more, identical or different magnetic joint is formed; Magnetic core also can be by one or more snippets, identical or different magnetic joint forms; So-called identical or different, be meant identical or different on physics, the chemical sense; (2) magnet ring or magnetic tube and magnetic core either party can be as the fixed part of mechanism, the opposing party then becomes the motion of mechanism parts; Also can be all as the motion of mechanism parts; (3) shape of magnet ring or magnetic tube and magnetic core, and length each other, permutation and combination method etc. can be determined as the case may be.
6. according to 2, a kind of passive type non-contact magnetically constraint mechanism application: the making of (1) sensing, measurement and movement device and components and parts, as: switch, contactor, transducer, mechanics detecting instrument instrument etc.; (2) manufacturing of buffering, restraint device and device, as: mechanical joint, vibration absorber, flexible member, constraint device etc.; (3) other manufacturing field.
CN 200410046602 2004-07-28 2004-07-28 Contactless magnomotive, magnetic confinement mechanism Pending CN1599227A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101964617A (en) * 2010-08-13 2011-02-02 中国原子能科学研究院 Non-contact driving method for Faraday cylinder in accelerator
CN104660106A (en) * 2015-02-02 2015-05-27 瑞声精密电子沭阳有限公司 Flat linear vibration motor
CN107147265A (en) * 2017-07-03 2017-09-08 郑州云海信息技术有限公司 A kind of server radiator fan
CN108580030A (en) * 2018-03-29 2018-09-28 西北工业大学 A kind of system and constrained procedure constraining non-diamagnetic substance in a non contact fashion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101964617A (en) * 2010-08-13 2011-02-02 中国原子能科学研究院 Non-contact driving method for Faraday cylinder in accelerator
CN104660106A (en) * 2015-02-02 2015-05-27 瑞声精密电子沭阳有限公司 Flat linear vibration motor
CN107147265A (en) * 2017-07-03 2017-09-08 郑州云海信息技术有限公司 A kind of server radiator fan
CN108580030A (en) * 2018-03-29 2018-09-28 西北工业大学 A kind of system and constrained procedure constraining non-diamagnetic substance in a non contact fashion

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