CN103904935A - Converse magnetostriction actuator and using method - Google Patents
Converse magnetostriction actuator and using method Download PDFInfo
- Publication number
- CN103904935A CN103904935A CN201410148774.9A CN201410148774A CN103904935A CN 103904935 A CN103904935 A CN 103904935A CN 201410148774 A CN201410148774 A CN 201410148774A CN 103904935 A CN103904935 A CN 103904935A
- Authority
- CN
- China
- Prior art keywords
- core
- conducting magnet
- permanent magnet
- magnet core
- iron core
- 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
Images
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a converse magnetostriction actuator which comprises a rotor iron core (9) and an actuator body. The converse magnetostriction actuator is characterized in that the actuator body comprises an outer circumferential magnetic iron core (1), a permanent magnet (7) and giant magnetostrictive materials (6); an upper magnetic iron core (5) and a lower magnetic iron core (8) are arranged at the upper end and the lower end of the outer circumferential magnetic iron core (1) respectively; the giant magnetostrictive materials (6) are arranged on the lower magnetic iron core (8), and the giant magnetostrictive materials (6) are provided with a lock block pillar (4) which penetrates through the upper magnetic iron core (5); the permanent magnet (7) is arranged between the giant magnetostrictive materials (6) and the outer circumferential magnetic iron core (1); a clearance is formed between the permanent magnet (7) and the outer circumferential magnetic iron core (1), and the rotor iron core (9) which penetrates through the lower magnetic iron core (8) and is opposite to the clearance is arranged at the lower end of the actuator body.
Description
Technical field
The present invention relates to one and can realize micron order stepping actuator, particularly utilize permanent magnet to provide driving magnetic field for iron gallium alloy magnetostrictive material, utilize magnetostrictive material to change iron gallium alloy driving magnetic field against hysteresis effect, thereby change iron gallium alloy collapsing length, change mover iron core position by linear stepping motor, linear servo drive mechanism or linear electric motors, can realize the micron order stepping of iron gallium alloy and position servo control.
Background technology
Intellectual material, as piezoelectric ceramic and magnetostrictive material, can realize micron order location.Piezoelectric ceramic applies after voltage, by piezoelectricity positive result, realizes micrometric displacement location.Piezoelectric ceramic weak point is that material itself is more crisp, tangentially bears load force limited.Be different from piezoelectric ceramic, magnetostrictive material, by applying magnetic field, utilize magnetic effect, realize micrometric displacement location.Conventional magnetostrictive material have Terfenol_D and iron gallium alloy Galfenol, and wherein, iron gallium alloy Galfenol magnetostrictive material are firm, the load force that can bear larger different directions.
Patent (application number 200610150582.7, Granted publication CN101166005) utilizes magnetostrictive material in conjunction with micro displacement magnifying mechanism, by regulating electric current to realize the adjustable driver of micrometric displacement.Patent (application number 200710125011.2, publication number CN101188874) adopts permanent magnet to provide excitation field for magnetostrictive material.Change magnetostrictive material internal magnetic field by coil current, realize micro-displacement and drive.Patent (application number 200410090867.7, publication number CN1619938) utilizes coil drive magnetostrictive material to drive as stroke directions, utilizes piezoelectric ceramic to do hoop position, realizes long distance and high precision location.Patent (application number 200510056369.5, publication number: CN1670977) will apply quiescent biasing magnetic field permanent magnet body and be placed on shell, and coil and magnetostrictive material are placed on inside, realize Micro-displacement Driving.
At present, magnetic telescopic driver utilizes magnetic telescopic driver positive result, adopts permanent magnet that quiescent biasing magnetic field is provided, and the magnetic in regulating winding electric current change magnetostrictive material is close, realizes micrometric displacement adjustment.The weak point of this type of drive is that energy consumption is large, and temperature is high.Magnetostrictive material magnetic permeability is conventionally lower, and this just needs more number of ampere turns to drive, and in coil, electric current can produce thermal losses.Often add in actual use extra heat radiation cooling device to ensure the steady operation of actuator.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of converse magnetostriction driver and using method simple in structure.
In order to solve the problems of the technologies described above, the invention provides a kind of converse magnetostriction driver, comprise mover iron core and driver; Described driver comprises excircle conducting magnet core, permanent magnet and super magnetic materials; The upper/lower terminal of described excircle conducting magnet core is respectively arranged with conducting magnet core and lower conducting magnet core; On described lower conducting magnet core, super magnetic materials is set, on described super magnetic materials, is provided with the briquetting post that runs through conducting magnet core; Between described super magnetic materials and excircle conducting magnet core, be provided with permanent magnet; Between described permanent magnet and excircle conducting magnet core, be provided with space, with respect in this space, be provided with the mover iron core that runs through lower conducting magnet core in the lower end of driver.
Improvement as to converse magnetostriction driver of the present invention: be provided with permanent magnet iron core between described permanent magnet and upper conducting magnet core.
Further improvement as to converse magnetostriction driver of the present invention: be provided with protruding block on described briquetting post; Between the protruding block of described briquetting post and upper conducting magnet core, be provided with spring; Described spring one end props up the protruding block of briquetting post, and other one end of described spring props up the lower surface of conducting magnet core.
Further improvement as to converse magnetostriction driver of the present invention: described super magnetic materials is iron gallium alloy.
Further improvement as to converse magnetostriction driver of the present invention: described permanent magnet axial charging.
The using method that a kind of converse magnetostriction drives; Form field circuit I by permanent magnet, permanent magnet iron core, upper conducting magnet core, excircle conducting magnet core, mover iron core and lower conducting magnet core successively; Form field circuit II by permanent magnet, briquetting post, super magnetic materials and lower conducting magnet core successively; Change the magnetic flux of field circuit I by the magnetic resistance changing in field circuit I, then change the magnetic flux of field circuit II by the magnetic flux of field circuit I, change and make super magnetic materials generation deformation by the magnetic flux of field circuit II.
Improvement as the using method that converse magnetostriction of the present invention is driven: the magnetic resistance that changes field circuit I by moving axially mover iron core along axial motion.
Further improvement as the using method that converse magnetostriction of the present invention is driven: described mover iron core is along axial downward movement time, and the magnetic resistance of field circuit I increases.
Further improvement as the using method that converse magnetostriction of the present invention is driven: described mover iron core is along axially moving upward when, and the magnetic resistance of field circuit I diminishes.
Different from current existing Driving technique, the present invention utilizes permanent magnet to provide driving magnetic field for iron gallium alloy magnetostrictive material, utilize magnetostrictive material to change iron gallium alloy driving magnetic field against hysteresis effect, thereby change iron gallium alloy collapsing length, change mover iron core position by linear stepping motor, linear servo drive mechanism or linear electric motors, can realize the micron order stepping of iron gallium alloy and position servo control.Coil only exists in conventional driver, and the heat of its generation can not affect magnetostrictive material.Therefore, actuator working stability, is applicable to hi-Fix demand.
Brief description of the drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is structural representation of the present invention;
Fig. 2 is mover iron core of the present invention permanent magnet magnetic path in the time of a certain position;
Fig. 3 is mover iron core of the present invention permanent magnet magnetic flux situation of change while moving down;
Fig. 4 is that mover iron core of the present invention drives schematic diagram.
Embodiment
Embodiment 1, Fig. 1～Fig. 4 have provided a kind of converse magnetostriction driver and using method.
Converse magnetostriction driver, comprises mover iron core 9 and driver; Driver comprises excircle conducting magnet core 1, permanent magnet 7 and super magnetic materials 6; In excircle conducting magnet core 1, it is the cavity of the equal opening in two ends, the upper/lower terminal of excircle conducting magnet core 1 is respectively arranged with conducting magnet core 5 and lower conducting magnet core 8, by upper conducting magnet core 5 and lower conducting magnet core 8 respectively by sealed at both ends the cavity in excircle conducting magnet core 1; Super magnetic materials 6 is set on lower conducting magnet core 8, on super magnetic materials 6, be provided with the briquetting post 4 that runs through conducting magnet core 5, the upper end of briquetting post 4 run through be exposed to after conducting magnet core 5 conducting magnet core 5 directly over, on briquetting post 4, be provided with protruding block, between the protruding block of briquetting post 4 and upper conducting magnet core 5, be provided with spring 3, spring 3 one end prop up the protruding block of briquetting post 4, and other one end of described spring 3 props up the lower surface of conducting magnet core 5; Between super magnetic materials 6 and excircle conducting magnet core 1, be provided with the permanent magnet 7 of axial charging; Between permanent magnet 7 and upper conducting magnet core 5, be provided with permanent magnet iron core 2; Between permanent magnet 7 and excircle conducting magnet core 1, be provided with space, with respect in this space, be provided with the mover iron core 9 that runs through lower conducting magnet core 8 in the lower end of driver.The above super magnetic materials 6 is iron gallium alloy.
Above-described permanent magnet iron core 2, upper conducting magnet core 5, excircle conducting magnet core 1, mover iron core 9 and lower conducting magnet core 8 form field circuit I 10 by permanent magnet 7, and above-described permanent magnet iron core 2, upper conducting magnet core 5, briquetting post 4, super magnetic materials 6 and lower conducting magnet core 8 form field circuit II 11 by permanent magnet 7.
The method that converse magnetostriction drives; Comprise following step:
The first step: mobile mover iron core 9;
Second step: along with the movement of mover iron core 9, the magnetic resistance of field circuit I 10 is changed, also there is corresponding change in the magnetic flux of the field circuit II 11 being coupled by permanent magnet 7;
The 3rd step: the change of the magnetic flux by field circuit II 11, makes the iron gallium alloy generation deformation in field circuit II 11.
As, when mover iron core 9 moves downward, the magnetic resistance of field circuit I 10 increases; Between the field circuit I 10 and field circuit II 11 intercoupling by permanent magnet 7, because the magnetic resistance of field circuit I 10 increases, the magnetic flux of part changes field circuit II 11 into, causes the magnetic flux density of iron gallium alloy in field circuit II 11 to increase, and then makes iron gallium alloy extend.
Relative, in the time that mover iron core 9 moves upward, the magnetic resistance of field circuit I 10 diminishes; Between the field circuit I 10 and field circuit II 11 intercoupling by permanent magnet 7, because the magnetic resistance of field circuit I 10 diminishes, the magnetic flux of part changes field circuit I 10 into, causes the magnetic flux density of iron gallium alloy in field circuit II 11 to reduce, and then makes iron gallium alloy shorten.
When in use, mover iron core 9 drives by mechanisms such as linear stepping motor, servomotor or linear electric motors.
Above-described spring 3, for iron gallium alloy provides preload pressure, in the time that iron gallium alloy is stress anneal type, can additionally not apply preload pressure.
Finally, it is also to be noted that, what more than enumerate is only a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, can also have many distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (7)
1. converse magnetostriction driver, comprises mover iron core (9) and driver; It is characterized in that: described driver comprises excircle conducting magnet core (1), permanent magnet (7) and super magnetic materials (6);
The upper/lower terminal of described excircle conducting magnet core (1) is respectively arranged with conducting magnet core (5) and lower conducting magnet core (8);
Super magnetic materials (6) is set on described lower conducting magnet core (8), on described super magnetic materials (6), is provided with the briquetting post (4) that runs through conducting magnet core (5);
Between described super magnetic materials (6) and excircle conducting magnet core (1), be provided with permanent magnet (7);
Between described permanent magnet (7) and excircle conducting magnet core (1), be provided with space, with respect in this space, be provided with the mover iron core (9) that runs through lower conducting magnet core (8) in the lower end of driver.
2. converse magnetostriction driver according to claim 1, is characterized in that: between described permanent magnet (7) and upper conducting magnet core (5), be provided with permanent magnet iron core (2).
3. converse magnetostriction driver according to claim 2, is characterized in that: on described briquetting post (4), be provided with protruding block;
Between the protruding block of described briquetting post (4) and upper conducting magnet core (5), be provided with spring (3);
Described spring (3) one end props up the protruding block of briquetting post (4), and other one end of described spring (3) props up the lower surface of conducting magnet core (5).
4. converse magnetostriction driver according to claim 3, is characterized in that: described super magnetic materials (6) is iron gallium alloy.
5. converse magnetostriction driver according to claim 4, is characterized in that: described permanent magnet (7) axial charging.
6. the using method that converse magnetostriction drives; It is characterized in that: form field circuit I (10) by permanent magnet (7), permanent magnet iron core (2), upper conducting magnet core (5), excircle conducting magnet core (1), mover iron core (9) and lower conducting magnet core (8) successively;
Form field circuit II (11) by permanent magnet (7), briquetting post (4), super magnetic materials (6) and lower conducting magnet core (8) successively;
Change the magnetic flux of field circuit I (10) by changing the interior magnetic resistance of field circuit I (10), change again the magnetic flux of field circuit II (11) by the magnetic flux of field circuit I (10), change and make super magnetic materials (6) that deformation occur by the magnetic flux of field circuit II (11).
7. the using method that converse magnetostriction according to claim 6 drives, is characterized in that: the magnetic resistance that changes field circuit I (10) by moving axially mover iron core (9) along axial motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148774.9A CN103904935B (en) | 2014-04-14 | 2014-04-14 | Converse magnetostriction driver and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148774.9A CN103904935B (en) | 2014-04-14 | 2014-04-14 | Converse magnetostriction driver and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904935A true CN103904935A (en) | 2014-07-02 |
| CN103904935B CN103904935B (en) | 2016-05-18 |
Family
ID=50996119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410148774.9A Expired - Fee Related CN103904935B (en) | 2014-04-14 | 2014-04-14 | Converse magnetostriction driver and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103904935B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162361A (en) * | 2015-07-21 | 2015-12-16 | 陈巨根 | Permanent magnetic force control system with low power consumption |
| CN106100438A (en) * | 2016-06-24 | 2016-11-09 | 沈阳工业大学 | Dynamic permanent magnet field drive-type ultra-magnetic deformation actuator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619938A (en) * | 2004-11-16 | 2005-05-25 | 清华大学 | Ultra magnetostrictive high precision linear driver using piezozelectric effect clamping |
| CN1670977A (en) * | 2004-03-19 | 2005-09-21 | 索尼株式会社 | Magnetostrictive actuator |
| JP2007124812A (en) * | 2005-10-28 | 2007-05-17 | Kyocera Corp | Excitation distortion actuator |
| CN201038194Y (en) * | 2007-04-05 | 2008-03-19 | 杨锦堂 | Magnetostrictive device and linear motor and vibration device adopting same |
| CN101166005A (en) * | 2006-10-20 | 2008-04-23 | 北京化工大学 | Super magnetostrictive material driven microdisplacement mechanism |
| CN101188874A (en) * | 2007-12-14 | 2008-05-28 | 邸怀玉 | Magnetism driven telescopic driver |
| CN101350570A (en) * | 2008-05-28 | 2009-01-21 | 中国科学院上海硅酸盐研究所 | Non-coil type magnetic force control device |
-
2014
- 2014-04-14 CN CN201410148774.9A patent/CN103904935B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670977A (en) * | 2004-03-19 | 2005-09-21 | 索尼株式会社 | Magnetostrictive actuator |
| CN1619938A (en) * | 2004-11-16 | 2005-05-25 | 清华大学 | Ultra magnetostrictive high precision linear driver using piezozelectric effect clamping |
| JP2007124812A (en) * | 2005-10-28 | 2007-05-17 | Kyocera Corp | Excitation distortion actuator |
| CN101166005A (en) * | 2006-10-20 | 2008-04-23 | 北京化工大学 | Super magnetostrictive material driven microdisplacement mechanism |
| CN201038194Y (en) * | 2007-04-05 | 2008-03-19 | 杨锦堂 | Magnetostrictive device and linear motor and vibration device adopting same |
| CN101188874A (en) * | 2007-12-14 | 2008-05-28 | 邸怀玉 | Magnetism driven telescopic driver |
| CN101350570A (en) * | 2008-05-28 | 2009-01-21 | 中国科学院上海硅酸盐研究所 | Non-coil type magnetic force control device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162361A (en) * | 2015-07-21 | 2015-12-16 | 陈巨根 | Permanent magnetic force control system with low power consumption |
| CN106100438A (en) * | 2016-06-24 | 2016-11-09 | 沈阳工业大学 | Dynamic permanent magnet field drive-type ultra-magnetic deformation actuator |
| CN106100438B (en) * | 2016-06-24 | 2017-12-01 | 沈阳工业大学 | Dynamic permanent magnet field drive-type ultra-magnetic deformation actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103904935B (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103904934A (en) | Micron order converse magnetostriction driver and use method thereof | |
| CN102359198B (en) | Magnetic shape memory alloy (MSMA) flexible actuator | |
| CN102739105B (en) | There is the Micro-displacement Giant Magnetostrictive Actuator of displacement equations and maintenance function | |
| CN103840703A (en) | Annular finned giant magnetostrictive actuator device | |
| Man et al. | Novel high-speed electromagnetic actuator with permanent-magnet shielding for high-pressure applications | |
| CN201435693Y (en) | Electromagnet-ostriction actuator | |
| CN103904935A (en) | Converse magnetostriction actuator and using method | |
| EP2860739A1 (en) | Solenoid | |
| CN207381204U (en) | A kind of electromagnet | |
| CN203747691U (en) | Precise controllable micro power component | |
| CN104678529B (en) | The drive system and driving method of shape memory alloy actuator | |
| CN203747692U (en) | Precise adjustment control system for micro power | |
| CN103916043B (en) | The iron gallium alloy converse magnetostriction driver that electric rotating machine drives and the method for use | |
| CN105099063A (en) | Driving device capable of rotary and linear two-degree-of-freedom running | |
| CN103856102A (en) | Micro-dynamic accurate regulation control system and method | |
| Li et al. | Research of fast-response giant magnetostrictive actuator for space propulsion system | |
| Tan et al. | Dynamic performance design and analysis of hybrid excited linear actuator for on-off valve | |
| CN103872944B (en) | Accurate controlled microkinetic member and method | |
| CN104993734A (en) | Moving-magnetic type magneto micro-displacement drive | |
| CN102005964B (en) | Magnetostriction type inertial impact micro linear motor | |
| CN210780600U (en) | GMM-based macro-micro linear driver | |
| CN204721247U (en) | A kind of excitation moving-magnetic type mangneto micro-displacement driver | |
| Yu et al. | Design of coaxial integrated macro–micro composite actuator with long-stroke and high-precision | |
| CN203933441U (en) | Realize the linear electric machine of three grades of controls based on iron gallium alloy | |
| CN104953891A (en) | Magnetostriction driver driven by rotating motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20180414 |