CN101482642B - Action apparatus with shape memory alloy - Google Patents
Action apparatus with shape memory alloy Download PDFInfo
- Publication number
- CN101482642B CN101482642B CN2008100017558A CN200810001755A CN101482642B CN 101482642 B CN101482642 B CN 101482642B CN 2008100017558 A CN2008100017558 A CN 2008100017558A CN 200810001755 A CN200810001755 A CN 200810001755A CN 101482642 B CN101482642 B CN 101482642B
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- magnetic element
- marmem
- carrier
- movement device
- base
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Abstract
The invention is an actuating apparatus with shape memory alloy, the actuating apparatus includes a base; at least one first magnetic element arranged at the bottom of the base; a carrier; at least one second magnetic element arranged on the top of the carrier and arranged corresponding to the first magnetic elements; and a shape memory alloy arranged between the base and the carrier and has at least one deformable lifting support member arranged on the position where the first magnetic element is corresponding to the second magnetic element for supporting the carrier to enable the support members horizontally to be arranged between the base and the carrier by the magnetic attractive force between the first magnetic element and the second magnetic element; the deforming force generated by the phase changes of the martensite and the austenite of the shape memory alloy is larger than the magnetic attractive force between the first magnetic element and the second magnetic element, the support members can be lifted to push and support the carrier to enable the carrier to actuate upwards.
Description
Technical field
The present invention refers to a kind of movement device that utilizes marmem deformation force that phase transformation produces especially relevant for a kind of movement device.
Background technology
The electronic industry in modern age is flourish constantly, the life that electronic digit product miscellaneous makes people is more comfortable and convenient, and digital camera and camera cell phone have just like become one of the most widely used electronic digit product in people's life in these several years.
And the camera lens module of known digital camera or camera cell phone comprises: casing, optical lens and image sensor, optical lens is incorporated into the front end of casing, and the photography function that thing is taken in is provided, and optical lens normally manually or is automatically adjusted with mechanical, to reach the function of focusing.
In the camera lens module of known digital camera or camera cell phone, all must meet light, thin, short and small requirement basically, and must possess accuracy and durability.And in digital camera or camera cell phone, employed optical lens focusing mode, no matter be mode and the structure of adjusting the mechanical organ of focal length with manual or electro-motor (linearity or non-linear drive displacement), under the requirement of saying cube miniaturization and weight lighting, all can be subject to limited space and weight, so optical lens has been subjected to many restrictions on focusing multiplying power and function.
And in the known technology, the camera lens module is to utilize shell fragment and electromagnetic force to be equipped with forming equilibrium state, but shell fragment is subject to external force deformation, comprise vibrations, playback or long-time use after, so that influence stationarity and the accuracy that camera lens moves, have much room for improvement so still have disappearance to exist in the known technology.
Summary of the invention
The object of the present invention is to provide a kind of movement device with marmem, because the magnetic effect of first magnetic element and second magnetic element, make carrier, marmem and base repeatedly connect in regular turn mutually, by marmem being passed to electric current generation heat energy and heating, make marmem generation martensite (martensite can be translated as numb field and loose) and austenite (austenite can be translated as the Butterworth field) phase transformation, at this moment, the deformation force of marmem is greater than the magnetic attraction between first magnetic element and second magnetic element, make the support member distortion of marmem rise (angle increase), so that carrier upwards rises.After the marmem cooling, the angle of the support member of marmem can reduce and be tending towards level, and makes carrier reduce downwards.
The object of the present invention is achieved like this, a kind of movement device with marmem, and this movement device comprises:
One base, this base has a bottom;
At least one first magnetic element is located at the bottom of this base;
One carrier, this carrier has a top;
At least one second magnetic element, be located at described carrier the top and with the corresponding setting of described first magnetic element;
One marmem, place between described base and carrier, and has the support member that at least one energy distortion rises, this support member is located at this first magnetic element and the mutual corresponding part of second magnetic element, in order to support this carrier, and by the magnetic attraction between aforementioned first magnetic element and second magnetic element, and this support member is flat between aforementioned base and carrier;
Wherein, by the deformation force that martensite and austenite phase transformation produced of this marmem magnetic attraction, and make rise pushing tow and support described carrier, start of described support member so that described carrier makes progress greater than described first magnetic element and second magnetic element.
Purpose of the present invention can also realize that so a kind of movement device with marmem is used for the camera lens module, and this movement device comprises:
One base, this base has a bottom;
At least one first magnetic element is located at the bottom of this base;
One carrier, this carrier has a top;
At least one second magnetic element, be located at described carrier the top and with the corresponding setting of described first magnetic element;
One marmem, place between described base and carrier, and has the support member that at least one energy distortion rises, this support member is located at this first magnetic element and the mutual corresponding part of second magnetic element, in order to support this carrier, and by the magnetic attraction between aforementioned first magnetic element and second magnetic element, and this support member is flat between aforementioned base and carrier, with remote focusing;
Wherein, by the deformation force that martensite and austenite phase transformation produced of this marmem magnetic attraction greater than described first magnetic element and second magnetic element, and make rise pushing tow and support described carrier of described support member, the start so that described carrier makes progress, and then closely focusing.
Preferably, further have a lid, this lid is covered on the described carrier.
Preferably, the bottom of this base has at least one first groove, and this first magnetic element places in first groove of this base.
Preferably, this first magnetic element is a magnet.
Preferably, this first magnetic element is a ferrous metal sheet.
Preferably, the top of this carrier has at least one second groove, and this second magnetic element places in second groove of this carrier.
Preferably, this second magnetic element is a magnet.
Preferably, this second magnetic element is a ferrous metal sheet.
Preferably, this first magnetic element is a magnet, and this second magnetic element is a ferrous metal sheet.
Preferably, this first magnetic element is a ferrous metal sheet, and this second magnetic element is a magnet.
Preferably, this marmem has at least one transport element, in order to conduction current, so that this marmem passes to electric current, produces heat energy, and makes this marmem become austenite by martensitic transformation.
The invention has the advantages that: become by martensitic transformation in the austenitic phase transition process at marmem, this marmem can cause distortion because of SME, and this marmem produces a unidirectional driving force.When this driving force during greater than the magnetic attraction between first magnetic element and second magnetic element, this carrier is upwards start just.
Description of drawings
Fig. 1: the stereographic map that has the movement device of marmem for the present invention.
Fig. 2: the exploded view that has the movement device of marmem for the present invention.
Fig. 3: the support member that has the movement device of marmem for the present invention is out of shape the sectional view that rises.
Fig. 4: the support member that has the movement device of marmem for the present invention is out of shape the sectional view that descends.
Drawing reference numeral:
1---has the movement device of marmem
The 2---base
The 3---bottom
4---first magnetic element
The 5---carrier
The 6---top
7---second magnetic element
The 8---marmem
The 9---support member
The 10---lid
11---first groove
12---second groove
The 13---transport element
The 14---cavity
Embodiment
Though the present invention will consult the accompanying drawing that contains preferred embodiment of the present invention and fully describe, before describing, this should be appreciated that the personage who is familiar with one's own profession can revise invention described herein, obtains effect of the present invention simultaneously.Therefore, must understand following description to the personage that is familiar with one's own profession skill and Yan Weiyi discloses widely, and its content does not lie in restriction the present invention.
See also Fig. 1 and Fig. 2, show that respectively the present invention has the stereographic map and the exploded view of the movement device 1 of marmem.In this embodiment, the movement device 1 that the present invention has marmem is to be applied to a camera lens module.This movement device 1 with marmem comprises a base 2, and this base 2 has a bottom 3; A plurality of first magnetic elements 4, this first magnetic element 4 is located at the bottom 3 of this base 2; One carrier 5, this carrier 5 has a top 6, is in order to carry a camera lens; A plurality of second magnetic elements 7, this second magnetic element 7 is located at the top 6 of this carrier 5, and this second magnetic element 7 is corresponding settings with this first magnetic element 4; An and marmem 8, this marmem 8 places between this base 2 and this carrier 5, and this marmem 8 has the support member 9 that a plurality of deformables rise, this support member 9 is located at and this first magnetic element 4 and this second magnetic element 7 mutual corresponding parts, in order to support this carrier 5.
The movement device 1 that the present invention has marmem further has a lid 10, this lid 10 is covered on the aforementioned bearer 5, and this base 2, this marmem 8, this carrier 5 and this lid 10 be after combination, and the centre that the present invention has the movement device 1 of marmem forms a cavity 14.Four corners of the bottom 3 of this base 2 respectively are provided with one first groove 11, and this first magnetic element 4 places in first groove 11 of this base 2.Wherein, this first magnetic element 4 can be a magnet or a ferrous metal sheet.Four corners at the top 6 of this carrier 5 respectively have one second groove 12, and this first groove 11 is corresponding settings with this second groove 12, and this second magnetic element 7 places in second groove 12 of this carrier 5.This second magnetic element 7 can be a magnet or is a ferrous metal sheet.Wherein, when this first magnetic element 4 was magnet, then this second magnetic element 7 was the ferrous metal sheet; And when this first magnetic element 4 was the ferrous metal sheet, then this second magnetic element 7 was a magnet; Or this first magnetic element 4 is all magnet with this second magnetic element 7, so that attract each other because of magneticaction between this first magnetic element 4 and this second magnetic element 7.This marmem 8 respectively has a transport element 13 in a relative corner, in order to a foreign current is conducted to this marmem 8.
See also Fig. 3, the support member 9 that demonstration the present invention has the movement device 1 of marmem is out of shape the sectional view that rises.When a foreign current conducted to this marmem 8 via this transport element 13, this marmem 8 produced heat energy and heats, and made this marmem 8 become austenite by martensitic transformation.Wherein, the deformation force that this support member 9 is produced is greater than the magnetic attraction of this first magnetic element 4 and this second magnetic element 7, so that these support member 9 distortion and the pushing tow and support this carrier 5 of upwards rising, so that these carrier 5 upwards starts.
See also Fig. 4, the support member 9 that demonstration the present invention has the movement device 1 of marmem is out of shape the sectional view that descends.After these marmem 8 coolings, because the magnetic effect that this first magnetic element 4 and this second magnetic element are 7, can make this base 2 and this carrier 5 close relatively, and these support member 9 angles are successively decreased and be tending towards level, this support member 9 will be flat between this base 2 and this carrier 5 at last, and make this carrier 5 reduce downwards.
When the movement device 1 that has a marmem as the present invention is implemented on the camera lens module, the upwards start or the start downwards of this carrier 5, can make the camera lens in the camera lens module (not shown in the figures jointly, this camera lens is to be placed in the present invention to have in the cavity 14 of movement device 1 of marmem) make expanding-contracting action, with the focal length of adjustment camera lens, and closely focus respectively or focusing at a distance.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.
Claims (22)
1. movement device with marmem is characterized in that this movement device comprises:
One base, this base has a bottom;
At least one first magnetic element is located at the bottom of this base;
One carrier, this carrier has a top;
At least one second magnetic element, be located at described carrier the top and with the corresponding setting of described first magnetic element;
One marmem, place between described base and carrier, and has the support member that at least one energy distortion rises, this support member is located at this first magnetic element and the mutual corresponding part of second magnetic element, in order to support this carrier, and by the magnetic attraction between aforementioned first magnetic element and second magnetic element, and this support member is flat between aforementioned base and carrier;
Wherein, by the deformation force that martensite and austenite phase transformation produced of this marmem magnetic attraction, and make rise pushing tow and support described carrier, start of described support member so that described carrier makes progress greater than described first magnetic element and second magnetic element.
2. the movement device with marmem as claimed in claim 1 is characterized in that: further have a lid, this lid is covered on the described carrier.
3. the movement device with marmem as claimed in claim 1 is characterized in that: the bottom of this base has at least one first groove, and this first magnetic element places in first groove of this base.
4. the movement device with marmem as claimed in claim 3 is characterized in that: this first magnetic element is a magnet.
5. the movement device with marmem as claimed in claim 3 is characterized in that: this first magnetic element is a ferrous metal sheet.
6. the movement device with marmem as claimed in claim 1 is characterized in that: the top of this carrier has at least one second groove, and this second magnetic element places in second groove of this carrier.
7. the movement device with marmem as claimed in claim 6 is characterized in that: this second magnetic element is a magnet.
8. the movement device with marmem as claimed in claim 6 is characterized in that: this second magnetic element is a ferrous metal sheet.
9. the movement device with marmem as claimed in claim 1 is characterized in that: this first magnetic element is a magnet, and this second magnetic element is a ferrous metal sheet.
10. the movement device with marmem as claimed in claim 1 is characterized in that: this first magnetic element is a ferrous metal sheet, and this second magnetic element is a magnet.
11. the movement device with marmem as claimed in claim 1, it is characterized in that: this marmem has at least one transport element, in order to conduction current, so that this marmem passes to electric current, produce heat energy, and make this marmem become austenite by martensitic transformation.
12. the movement device with marmem is used for the camera lens module, described camera lens module comprises a camera lens, it is characterized in that this movement device comprises:
One base, this base has a bottom;
At least one first magnetic element is located at the bottom of this base;
One carrier, this carrier has a top, in order to the camera lens of carrying camera lens module;
At least one second magnetic element, be located at described carrier the top and with the corresponding setting of described first magnetic element;
One marmem, place between described base and carrier, and has the support member that at least one energy distortion rises, this support member is located at this first magnetic element and the mutual corresponding part of second magnetic element, in order to support this carrier, and by the magnetic attraction between aforementioned first magnetic element and second magnetic element, and this support member is flat between aforementioned base and carrier, with remote focusing;
Wherein, by the deformation force that martensite and austenite phase transformation produced of this marmem magnetic attraction greater than described first magnetic element and second magnetic element, and make rise pushing tow and support described carrier of described support member, the start so that described carrier makes progress, and then closely focusing.
13. the movement device with marmem as claimed in claim 12 is characterized in that: further have a lid, this lid is covered on the described carrier.
14. the movement device with marmem as claimed in claim 12 is characterized in that: the bottom of this base has at least one first groove, and this first magnetic element places in first groove of this base.
15. the movement device with marmem as claimed in claim 14 is characterized in that: this first magnetic element is a magnet.
16. the movement device with marmem as claimed in claim 14 is characterized in that: this first magnetic element is a ferrous metal sheet.
17. the movement device with marmem as claimed in claim 12 is characterized in that: the top of this carrier has at least one second groove, and this second magnetic element places in second groove of this carrier.
18. the movement device with marmem as claimed in claim 17 is characterized in that: this second magnetic element is a magnet.
19. the movement device with marmem as claimed in claim 17 is characterized in that: this second magnetic element is a ferrous metal sheet.
20. the movement device with marmem as claimed in claim 12 is characterized in that: this first magnetic element is a magnet, and this second magnetic element is a ferrous metal sheet.
21. the movement device with marmem as claimed in claim 12 is characterized in that: this first magnetic element is a ferrous metal sheet, and this second magnetic element is a magnet.
22. the movement device with marmem as claimed in claim 12, it is characterized in that: this marmem has at least one transport element, in order to conduction current, so that this marmem passes to electric current, produce heat energy, and make this marmem become austenite by martensitic transformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100017558A CN101482642B (en) | 2008-01-08 | 2008-01-08 | Action apparatus with shape memory alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100017558A CN101482642B (en) | 2008-01-08 | 2008-01-08 | Action apparatus with shape memory alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101482642A CN101482642A (en) | 2009-07-15 |
| CN101482642B true CN101482642B (en) | 2010-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100017558A Expired - Fee Related CN101482642B (en) | 2008-01-08 | 2008-01-08 | Action apparatus with shape memory alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN101482642B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6626729B2 (en) * | 2016-02-12 | 2019-12-25 | アルプスアルパイン株式会社 | Lens drive |
| CN107493421B (en) * | 2017-09-30 | 2020-09-11 | 北京小米移动软件有限公司 | Camera module, electronic equipment, camera module control method and device |
| CN107942468B (en) * | 2017-11-13 | 2020-06-19 | 北京小米移动软件有限公司 | Image acquisition module and terminal |
| CN109654851B (en) * | 2018-12-27 | 2020-11-03 | 浙江凯迪药化机械有限公司 | Autogyration traditional chinese medicine stoving gridion |
| CN113568130B (en) * | 2021-07-29 | 2022-06-28 | 上海信迈电子科技有限公司 | Lens driving device, camera device and mobile terminal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1813212A (en) * | 2003-06-27 | 2006-08-02 | 诺基亚公司 | Camera lens-positioning device using shape memory alloy and camera using the same |
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2008
- 2008-01-08 CN CN2008100017558A patent/CN101482642B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1813212A (en) * | 2003-06-27 | 2006-08-02 | 诺基亚公司 | Camera lens-positioning device using shape memory alloy and camera using the same |
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| Publication number | Publication date |
|---|---|
| CN101482642A (en) | 2009-07-15 |
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Granted publication date: 20100929 Termination date: 20200108 |