CN101964563B - Photic drive motor and driving method thereof - Google Patents
Photic drive motor and driving method thereof Download PDFInfo
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- CN101964563B CN101964563B CN2010102523392A CN201010252339A CN101964563B CN 101964563 B CN101964563 B CN 101964563B CN 2010102523392 A CN2010102523392 A CN 2010102523392A CN 201010252339 A CN201010252339 A CN 201010252339A CN 101964563 B CN101964563 B CN 101964563B
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Abstract
The invention discloses a photic drive motor and a driving method thereof. The optical drive motor comprises a rotor, a stator, an eccentric column, a bearing and a photoinduced bending deformation unit, wherein the eccentric column is fixed on the stator of the motor, and two ends of the photoinduced bending deformation unit are respectively bonded to the eccentric column and the motor rotor. In the driving method, the photoinduced bending deformation unit in a free state is irradiated with ultraviolet light, and an irradiated part deforms to result in that a torque for driving the motor rotor to rotate clockwise is generated in the photoinduced bending deformation unit; a photoinduced deforming material film in a bending state is irradiated with invisible light, the bending of the film recovers gradually to result in that a torque for driving the motor rotor to rotate clockwise is generated in the photoinduced bending deformation unit; and thus, the clockwise rotational movement of the motor is realized. The invention has the advantages of simple structure, unlimited dimension, rapidness, environmental protection and low energy consumption, can be used for directly applying light energy in the rotational movement, without additional energy converting and power transmitting devices, and can be operated remotely.
Description
Technical field
The invention belongs to material and field of mechanical technique, be specifically related to a kind of method of utilizing direct motor that drives of light and CD-ROM drive motor rotation.
Background technology
Along with the continuous progress of mechanical system research, to motor require increasingly high: directly driving, large driving force, big displacement, response etc. fast.At many special dimensions, the motor (or claiming motor) that needs to adopt special property is as power source and motor.Existing motor technologies mainly contains electromagnetic induction machines, electrostatic motor, supersonic motor, piezoelectric ceramic impact type CD-ROM drive motor or mechanism etc., and pluses and minuses are separately all arranged.Electromagnetic induction machines moment is big, speed is fast, but coil loss is big and can't break away from cable control is arranged; Electrostatic motor directly utilizes electrostatic force to drive rotor, and shortcoming is that moment is less, and friction and noise between stator and rotor are bigger, often need motor be immersed in the fluid and turn round.Supersonic motor is the new special motor that developed recently gets up, and has carried out the research of surface acoustic wave motor afterwards both at home and abroad again.Be noted that above-mentioned motor or motor owing to need auxiliary equipment such as lead, electromagnetic conversion device, heater element, be unfavorable for Long-distance Control and carrying.
As everyone knows, light has fast, accurately, clean environment firendly, the performance of a series of excellences such as reserves are abundant, it is the best energy-provision way of MEMS.Luminous energy is converted into mechanical energy, realizes utilizing the direct CD-ROM drive motor of light, the fast development that greatly promotes MEMS.
Summary of the invention
The object of the present invention is to provide a kind of optical drive motor and driving method thereof, make this motor can be applicable to the space narrow and small, can't supply power, harsh field such as high-intensity magnetic field, and overcome the defective that some environment down can't the application apparatus implementation.
For realizing above-mentioned purpose, solution of the present invention is:
A kind of optical drive motor; It comprises stator, rotor; It also comprises biasing post, bearing and photic flexural deformation unit, and biasing post is fixed on the stator, and rotor and stator link through bearing; Bearing inner race is fixed on the biasing post, and two ends, photic flexural deformation unit are connected with bearing on the biasing post with rotor respectively.Through the photic flexural deformation unit of UV-irradiation free state, the photic flexural deformation unit that radiation of visible light is in case of bending, the rotation of the rotation torque CD-ROM drive motor of generation.
Said photic flexural deformation unit is four, on circumference, is evenly distributed, and connected bearing also is four, and photic flexural deformation unit is corresponding with bearing to be connected successively.The bonding optimal way of photic flexural deformation unit and biasing post for biasing post on the bearing outer ring installed be connected.
Said photic flexural deformation unit is photic crooked film, and film has the photo-deformable material layer.
It is a kind of in macromolecular material or metal or their composite material that described stator, rotor and biasing post adopt material, the macromolecular material of preferred printing opacity light weight high rigidity, more preferably polymethyl methacrylate.
Said photic crooked film is one deck, and the material of employing is the photo-deformable material; Perhaps said photic crooked film is two-layer, and the outer material that adopts is the photo-deformable material, and the material that internal layer adopts is a flexible high molecular material.
Said photo-deformable material is photic crooked liquid crystal high polymer material.
Said flexible high molecular material is a kind of in polyethylene or polypropylene or natural rubber or the composite high-molecular material that is made up of them, the preferably polyethylene material.
Said photic flexural deformation unit and rotor and bearing are through the binding agent bonding.
Bond through binding agent between the internal layer of said photic crooked film and the skin.
Said binding agent is a kind of in polyacrylate binding agent or polyurethanes binding agent or epoxy resin binding agent or the rubber-like binding agent, is preferably the epoxy resin binding agent.
A kind of driving method of above-mentioned optical drive motor,
Photic flexural deformation unit to free state applies UV-irradiation, and irradiated part surface shrinks to incident direction, bends, the trend that makes the direction rotation that oriented this unit radial length of motor rotor reduces; For example, cause photic flexural deformation unit motor rotor to be produced the torque that turns clockwise;
Photic flexural deformation unit to case of bending applies radiation of visible light, and crooked deformation recovers gradually, the trend that makes the direction rotation that oriented this unit radial length of motor rotor increases; For example, cause photic flexural deformation unit motor rotor to be produced the torque that turns clockwise.
Change ultraviolet light and visible light radiation direction, can change the direction of rotation of motor, realize the motion that is rotated counterclockwise of motor rotor.
The method that the driving said motor that the present invention proposes rotatablely moves; Utilize the photic flexural deformation film of UV-irradiation free state; The photic flexural deformation film of radiation of visible light case of bending produces the moment of torsion that takes the motor rotor rotation to, drives this motor rotation.
Wherein, the photic flexural deformation unit of described free state receives UV-irradiation, shrinks to the ultraviolet light incident direction, bends, the trend that makes the direction rotation that oriented this unit radial length of motor rotor reduces.
Wherein, the photic flexural deformation unit of described case of bending receives radiation of visible light, and crooked photo-deformable material can be replied and is original flattened state, the trend that makes the direction rotation that oriented this unit radial length of motor rotor increases.
Wherein, reasonably illumination causes four photo-deformable materials that motor rotor is produced the moment that turns clockwise, and realizes the motor clockwise rotation; Change ultraviolet light and visible light radiation direction, can realize that motor is rotated counterclockwise motion.
Optical drive motor provided by the invention rotatablely moves and method of driving, has following advantage and effect for present technology:
(1) to be different from be traditional motor to the optical drive motor among the present invention, can directly through the photo-deformable distortion of materials luminous energy be converted into the required mechanical energy of motor rotation;
(2) compare with existing other type of drive, optical drive is fast, environmental protection, energy consumption be little, but and have not available characteristics of other type of drive such as remote operation;
(3) optical drive motor part quantity is few, can adjust motor dimension according to different needs, adapts to the needs of different rotating speeds and moment of torsion, has high flexibility.
Description of drawings
Fig. 1 is the structural representation and the driving method sketch map thereof of optical drive motor in the embodiment of the invention.
Fig. 2 is an optical drive motor perspective view in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the present invention is further described.
Shown in Fig. 1-2, the sketch map for optical drive motor embodiment of the present invention the present invention includes motor stator 1, photic flexural deformation unit 2, bearing 3, rotor 4, biasing post 5.Photic flexural deformation unit 2 is made up of 4 photic flexural deformation films, and every film is single layer structure, is made up of the photo-deformable material fully.Simultaneously, the two ends of every film are bonded and fixed at respectively on biasing post 5 and the rotor 4.In order to prevent that motor from causing photic flexural deformation unit 2 to be wrapped on the biasing post 5 in the process that rotatablely moves, the bonding between flexural deformation unit 2 and the biasing post need adopt bearing 3 to carry out transition.That is: the inner ring of bearing 3 is fixed on the biasing post 5, and flexural deformation unit 2 is bonded in the outer ring of bearing 3.Biasing post 5 is cemented on the motor stator 1.
In addition; Four photic flexural deformation films that constitute photic flexural deformation of the present invention unit 2 also can be taked double-decker; Outer field material is made up of the photo-deformable material; The material of internal layer is made up of flexible high molecular material, and outer field area can bond through binding agent between skin and the internal layer smaller or equal to the internal layer area.Its operation principle is identical during with single layer structure.
The light source that the present invention adopts is a ultraviolet light, and concrete color ultraviolet wavelength is 365nm in the present embodiment, and light intensity does not have specific requirement; Motor stator 1, rotor 4, biasing post 5 select for use macromolecular material, metal or their composite material to process, and preferentially select the macromolecular material of printing opacity light weight high rigidity for use, and what select for use in the present embodiment is polymethyl methacrylate; Photic flexural deformation unit 2 is made up of the photo-deformable material, preferentially selects photic crooked liquid crystal high polymer material for use, selects photic crooked liquid crystal high polymer material in the present embodiment for use, and thickness is 40～60 microns; Binding agent is selected a kind of in polyacrylate binding agent, polyurethanes binding agent, epoxy resin binding agent, the rubber-like binding agent for use, preferentially selects the epoxy resin binding agent for use, and what specifically select for use in the present embodiment is epoxy resin.
The photo-deformable material can produce crooked deformation under the effect of light, this process is converted into mechanical energy with luminous energy, and the present invention has utilized these characteristics of photo-deformable material, adopts the photo-deformable material to realize the driving of motor in photic flexural deformation unit.
Realized rotating process for the optical drive motor by optical drive below:
The two ends of four photo-deformable material films are bonded in respectively on motor rotor and the stator biasing post bearing;
The photo-deformable material can be crooked to the light incident direction by the part of UV-irradiation; So with the photo-deformable material film of ultraviolet light along arrow as shown in Figure 1 100 directions irradiation free state; This part photo-deformable material bends, and causes the photo-deformable material film motor rotor to be produced the torque that turns clockwise;
The photo-deformable material can be reverted to free flattened state by case of bending by the part of radiation of visible light; So along arrow as shown in Figure 1 200 directions the photo-deformable material film of case of bending is applied radiation of visible light with visible light; Crooked deformation recovers gradually, causes the photo-deformable material film motor rotor to be produced the torque that turns clockwise;
Cause the photo-deformable material film that motor rotor is produced the torque that turns clockwise, realize the clockwise rotation of motor rotor.
Can realize the function of photic flexural deformation unit 2 CD-ROM drive motors rotation through above-mentioned process.
The above-mentioned description to embodiment is can understand and use the present invention for ease of the those of ordinary skill of this technical field.The personnel of skilled obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (14)
1. optical drive motor; It comprises stator, rotor, it is characterized in that: it also comprises biasing post, bearing and photic flexural deformation unit, and biasing post is fixed on the stator; Rotor and stator link through bearing; Bearing inner race is fixed on the biasing post, and two ends, photic flexural deformation unit are connected with bearing on the biasing post with rotor respectively, the rotation torque CD-ROM drive motor rotation that said photic flexural deformation unit produces.
2. optical drive motor as claimed in claim 1 is characterized in that: said photic flexural deformation unit is four, on circumference, is evenly distributed, and connected bearing also is four, and photic flexural deformation unit is corresponding with bearing to be connected successively; Said photic flexural deformation unit and rotor and bearing are through the binding agent bonding.
3. according to claim 1 or claim 2 optical drive motor, it is characterized in that: said photic flexural deformation unit is photic crooked film, and film has the photo-deformable material layer.
4. CD-ROM drive motor as claimed in claim 1 is characterized in that: it is a kind of in macromolecular material or metal or their composite material that described stator, rotor and biasing post adopt material.
5. CD-ROM drive motor as claimed in claim 1 is characterized in that: described stator, rotor and biasing post adopt the macromolecular material of printing opacity light weight high rigidity.
6. CD-ROM drive motor as claimed in claim 1 is characterized in that: described stator, rotor and biasing post adopt polymethyl methacrylate.
7. CD-ROM drive motor as claimed in claim 3 is characterized in that: said photic crooked film is one deck, and the material of employing is the photo-deformable material; Perhaps said photic crooked film is two-layer, and the outer material that adopts is the photo-deformable material, and the material that internal layer adopts is a flexible high molecular material, bonds through binding agent between internal layer and the skin.
8. CD-ROM drive motor as claimed in claim 7 is characterized in that: said photo-deformable material is photic crooked liquid crystal high polymer material.
9. CD-ROM drive motor as claimed in claim 7 is characterized in that: said flexible high molecular material is a kind of in polyethylene or polypropylene or natural rubber or the composite high-molecular material that is made up of them.
10. CD-ROM drive motor as claimed in claim 7 is characterized in that: said flexible high molecular material adopts polythene material.
11. like claim 2 or 7 described CD-ROM drive motors, it is characterized in that: said binding agent is a kind of in polyacrylate binding agent or polyurethanes binding agent or epoxy resin binding agent or the rubber-like binding agent.
12. like claim 2 or 7 described CD-ROM drive motors, it is characterized in that: said binding agent adopts the epoxy resin binding agent.
13. the driving method of the described optical drive motor of claim 1 is characterized in that:
Photic flexural deformation unit to free state applies UV-irradiation, and irradiated part surface shrinks to incident direction, bends, the trend of the direction rotation that makes motor rotor have to reduce to this unit radial length;
Photic flexural deformation unit to case of bending applies radiation of visible light, and crooked deformation recovers gradually, makes motor rotor have the trend to the direction rotation of this unit radial length growth.
14. driving method as claimed in claim 13 is characterized in that: change ultraviolet light and visible light radiation direction, can change the direction of rotation of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102523392A CN101964563B (en) | 2010-08-13 | 2010-08-13 | Photic drive motor and driving method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102523392A CN101964563B (en) | 2010-08-13 | 2010-08-13 | Photic drive motor and driving method thereof |
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| CN101964563A CN101964563A (en) | 2011-02-02 |
| CN101964563B true CN101964563B (en) | 2012-06-06 |
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| CN2010102523392A Expired - Fee Related CN101964563B (en) | 2010-08-13 | 2010-08-13 | Photic drive motor and driving method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185398B (en) * | 2011-05-04 | 2012-12-19 | 哈尔滨工程大学 | Composite material double-body rotor for light motor |
| CN103075508A (en) * | 2013-01-11 | 2013-05-01 | 同济大学 | Motive power gear shifting speed changer gear shifting system and method adopting light driving pressure regulation |
| CN108282106B (en) * | 2018-02-05 | 2024-01-23 | 中国科学院苏州生物医学工程技术研究所 | Eccentric rotary piezoelectric ceramic motor |
| CN109510927A (en) * | 2018-11-15 | 2019-03-22 | 习水县蓝岛电脑科技有限公司 | A kind of automatic cleaning type monitoring camera |
| TWI725554B (en) * | 2019-09-24 | 2021-04-21 | 國立中央大學 | Light-driven rotor applied to the surface of the water |
| CN113586379A (en) * | 2021-08-26 | 2021-11-02 | 常州大学 | Thermally-driven flexible roller |
Citations (2)
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| CN1777013A (en) * | 2005-12-08 | 2006-05-24 | 浙江大学 | Photo thermal driving micro motor |
| CN101041779A (en) * | 2007-03-15 | 2007-09-26 | 复旦大学 | Photo-induced deformation liquid crystal macromolecular material and preparation method thereof |
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2010
- 2010-08-13 CN CN2010102523392A patent/CN101964563B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1777013A (en) * | 2005-12-08 | 2006-05-24 | 浙江大学 | Photo thermal driving micro motor |
| CN101041779A (en) * | 2007-03-15 | 2007-09-26 | 复旦大学 | Photo-induced deformation liquid crystal macromolecular material and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 刘恒等.光致弯曲薄膜微执行器的研究.《压电与声光》.2010,第32卷(第3期),417-419. * |
| 陈茂林等.光致形变聚合物材料马达光驱动的变形能分析.《材料科学与工程学报》.2010,第28卷(第2期),171-174. * |
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