CN102466842A - Optical device and collision prevention method of lens - Google Patents
Optical device and collision prevention method of lens Download PDFInfo
- Publication number
- CN102466842A CN102466842A CN2010105520220A CN201010552022A CN102466842A CN 102466842 A CN102466842 A CN 102466842A CN 2010105520220 A CN2010105520220 A CN 2010105520220A CN 201010552022 A CN201010552022 A CN 201010552022A CN 102466842 A CN102466842 A CN 102466842A
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- sensing
- camera lens
- integrated circuit
- lens
- control module
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Abstract
The invention relates to an optical device and collision prevention method of lens. The optical device comprises a lens, a driving unit, a controlling unit, a side frame and a boundary sensing unit. The lens comprises a metal lens barrel. The driving unit is connected with the lens and the lens is moved by the driving unit. The controlling unit is electrically connected with the driving unit to control the movement of the lens. The side frame is provided with an internal wall; the lens movement range is defined by the side frame. The boundary sensing unit is installed on the internal wall, which comprises an integrated circuit and a plurality of sensing components. The integrated circuit is electrically connected with the controlling unit. The sensing component is electrically connected with the integrated circuit. These sensing components are equidistantly arranged on the internal wall to surround the lens; while the metal lens barrel approaches to any sensing component, the capacitance of the sensing component is changed; the integrated circuit sends the position sensing signal towards the controlling unit according to the change of the capacitance of the sensing component; and the movement of the lens is controlled by the control unit according to the position sensing signal.
Description
Technical field
The present invention relates to a kind of optical devices, particularly a kind of have the optical devices that prevent camera lens collision function and the camera lens collision prevents method.
Background technology
Existing optical devices, such as TaiWan, China disclose No. 200905354 patent exposure.In existing optical devices; For preventing that camera lens and frame from bumping, general all by the rotation step number of control module calculated step motor, to judge the position coordinates of camera lens; Again with the critical coordinate comparison in this position coordinates and the database, to judge whether and to bump.Yet, in the prior art,, improved the whole cost of optical devices because the cost of devices such as step motor, control module and databases is higher.In addition,, take place, therefore the translational speed that needs to reduce camera lens is arranged, cause user's inconvenience in the use for avoiding inertial collision because calculation step is complicated.
Summary of the invention
The technical matters that the present invention will solve is, to the higher defective of the associated component cost of optical devices in the prior art, provides the collision of a kind of optical devices and camera lens thereof to prevent method, can low-cost reach to prevent the purpose of colliding.
The technical solution adopted for the present invention to solve the technical problems is, a kind of optical devices are provided, and comprises camera lens, driver element, control module, frame and border sensing cell.Camera lens comprises the metal lens barrel.Driver element connects and mobile this camera lens.Control module electrically connects this driver element, to control moving of this camera lens.Frame has inwall, this frame definition camera lens moving range.The border sensing cell is located at this inwall, comprises integrated circuit and a plurality of sensing component.Integrated circuit electrically connects this control module.Sensing component electrically connects this integrated circuit.These sensing component equidistance are located at this inwall and around this camera lens; Wherein, When nearly this arbitrary sensing component of this speculum socket joint; The electric capacity of this sensing component changes, and this integrated circuit sends the location sensing signal according to the electric capacitance change of this sensing component towards this control module, and this control module moves according to this this camera lens of location sensing signal controlling.
The present invention also provides a kind of camera lens collision to prevent method to comprise:
Aforesaid optical devices are provided;
This control module is this location sensing signal fusing one position critical value, and when this location sensing signal reached this position critical value, this control module limited the action of this driver element.
Use the present invention, because controlled step is simple, principle of operation is simple, therefore can low-cost reach to prevent the purpose of colliding.
Description of drawings
Fig. 1 is the stereographic map that shows the optical devices of the embodiment of the invention;
Fig. 2 is the calcspar that shows the optical devices of the embodiment of the invention;
Fig. 3 is the thin portion structure that shows the border sensing cell; And
Fig. 4 is the orientation that is provided with that shows sensing component.
Embodiment
Fig. 1 is the stereographic map that shows the optical devices 100 of the embodiment of the invention, and Fig. 2 is the calcspar that shows the optical devices 100 of the embodiment of the invention.With reference to Fig. 1,2, the optical devices 100 of the embodiment of the invention comprise camera lens 110, driver element 120, control module 130, frame 140 and border sensing cell 150.Camera lens 110 comprises metal lens barrel 111.Driver element 120 connects and mobile this camera lens 110.Control module 130 electrically connects this driver element 120, to control moving of this camera lens 110.Frame has inwall 141, these frame 140 definition camera lens movings range.Border sensing cell 150 is located at this inwall 141.
Collocation is with reference to Fig. 1,3, and Fig. 3 is the thin portion structure that shows border sensing cell 150.Border sensing cell 150 comprises integrated circuit 151, flexible circuit board 152 and a plurality of sensing component 153.Integrated circuit 151 electrically connects this control module 130.Sensing component 153 electrically connects this integrated circuit 151 through flexible circuit board 152.These sensing components 153 are that equidistance is arranged on the flexible circuit board 152.These sensing components 153 can be Copper Foil.This integrated circuit 151 is the capacitance type sensing integrated circuit.
With reference to Fig. 1,4, in an embodiment of the present invention, these sensing component 153 equidistance are around this camera lens 110, and this flexible circuit board 152 is located at this inwall 141.The quantity of these sensing components 153 is eight, and is 45 ° mode equidistance setting with differential seat angle.Wherein, when this metal lens barrel 111 near should be arbitrary during sensing component 153, the electric charge on this sensing component 153 is attracted, and causes the electric capacity change.This integrated circuit 151 sends the location sensing signal according to the electric capacitance change of this sensing component 153 towards this control module 130, and this control module 130 moves according to this this camera lens 110 of location sensing signal controlling.By this, can accurately predict the moving direction of camera lens 110.In other embodiments, the quantity of these sensing components can optionally change, and for example, the quantity of these sensing components can be four.
In an embodiment of the present invention, this frame is circular, and in other embodiments, this frame can also be other shape, and is for example, square.
In the above-described embodiments; This control module 130 is with this location sensing signal fusing position critical value; When camera lens 110 during too near inwall 141; This location sensing signal reaches this position critical value, and therefore this control module 130 limits the action of this driver element 120, to prevent camera lens 110 collision frames 140.
Use the present invention, because controlled step is simple, principle of operation is simple, therefore can low-cost reach to prevent the purpose of colliding.
Though the present invention discloses as above with concrete preferred embodiment; But it is not that those skilled in the art person is not breaking away from the spirit and scope of the present invention in order to qualification the present invention; Still can do a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (10)
1. optical devices is characterized in that, comprising:
Camera lens comprises the metal lens barrel;
Driver element connects and mobile this camera lens;
Control module electrically connects this driver element, to control moving of this camera lens;
Frame has inwall, this frame definition camera lens moving range; And
The border sensing cell is located at this inwall, comprising:
Integrated circuit electrically connects this control module; And
A plurality of sensing components; Electrically connect this integrated circuit, these sensing component equidistance are located at this inwall and around this camera lens, wherein; When nearly this arbitrary sensing component of this speculum socket joint; The electric capacity of this sensing component changes, and this integrated circuit sends the location sensing signal according to the electric capacitance change of this sensing component towards this control module, and this control module moves according to this this camera lens of location sensing signal controlling.
2. optical devices as claimed in claim 1 is characterized in that, these sensing components are Copper Foil.
3. optical devices as claimed in claim 1 is characterized in that, this integrated circuit is the capacitance type sensing integrated circuit.
4. optical devices as claimed in claim 1 is characterized in that, this border sensing cell more comprises flexible circuit board, and these sensing components are that equidistance is arranged on the flexible circuit board, and electrically connect this integrated circuit through this flexible circuit board.
5. optical devices as claimed in claim 4 is characterized in that this flexible circuit board is located at this inwall.
6. a camera lens collision prevents method to it is characterized in that, comprising:
Optical devices like claim 1 are provided;
This control module is this location sensing signal fusing one position critical value, and when this location sensing signal reached this position critical value, this control module limited the action of this driver element.
7. camera lens collision as claimed in claim 6 prevents method to it is characterized in that these sensing components are Copper Foil.
8. camera lens collision as claimed in claim 6 prevents method to it is characterized in that this integrated circuit is the capacitance type sensing integrated circuit.
9. camera lens as claimed in claim 6 collides and prevents method to it is characterized in that, this border sensing cell more comprises flexible circuit board, and these sensing components are that equidistance is arranged on the flexible circuit board, and electrically connects this integrated circuit through this flexible circuit board.
10. camera lens collision as claimed in claim 9 prevents method to it is characterized in that this flexible circuit board is located at this inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010552022.0A CN102466842B (en) | 2010-11-09 | 2010-11-09 | Optical device and collision prevention method of lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010552022.0A CN102466842B (en) | 2010-11-09 | 2010-11-09 | Optical device and collision prevention method of lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102466842A true CN102466842A (en) | 2012-05-23 |
| CN102466842B CN102466842B (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010552022.0A Expired - Fee Related CN102466842B (en) | 2010-11-09 | 2010-11-09 | Optical device and collision prevention method of lens |
Country Status (1)
| Country | Link |
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| CN (1) | CN102466842B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076479A (en) * | 2013-03-28 | 2014-10-01 | 浙江大华技术股份有限公司 | Lens-barrel sliding block, focusing lens, image collecting equipment, controller and control method |
| CN104729438A (en) * | 2013-12-24 | 2015-06-24 | 特莎有限公司 | Motorized inclinable measuring head |
| CN112393680A (en) * | 2019-08-16 | 2021-02-23 | 深圳中科飞测科技有限公司 | Detection device, control method thereof, detection lens assembly and controller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073790A (en) * | 1989-06-06 | 1991-12-17 | Asahi Kogaku Kogyo Kabushiki Kaisha | Position sensing device |
| JPH05181049A (en) * | 1992-01-06 | 1993-07-23 | Canon Inc | Lens position detecting device |
| JP2002162554A (en) * | 2000-11-27 | 2002-06-07 | Olympus Optical Co Ltd | Zoomable camera |
| CN101266387A (en) * | 2007-03-15 | 2008-09-17 | 上海乐金广电电子有限公司 | Small-sized pick-up head module displacement sensor |
| US20110141588A1 (en) * | 2009-12-11 | 2011-06-16 | Asia Optical Co., Inc. | Optical device and lens collision preventing method thereof |
-
2010
- 2010-11-09 CN CN201010552022.0A patent/CN102466842B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073790A (en) * | 1989-06-06 | 1991-12-17 | Asahi Kogaku Kogyo Kabushiki Kaisha | Position sensing device |
| JPH05181049A (en) * | 1992-01-06 | 1993-07-23 | Canon Inc | Lens position detecting device |
| JP2002162554A (en) * | 2000-11-27 | 2002-06-07 | Olympus Optical Co Ltd | Zoomable camera |
| CN101266387A (en) * | 2007-03-15 | 2008-09-17 | 上海乐金广电电子有限公司 | Small-sized pick-up head module displacement sensor |
| US20110141588A1 (en) * | 2009-12-11 | 2011-06-16 | Asia Optical Co., Inc. | Optical device and lens collision preventing method thereof |
| TW201120497A (en) * | 2009-12-11 | 2011-06-16 | Asia Optical Co Inc | Optical device and lens collision preventing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076479A (en) * | 2013-03-28 | 2014-10-01 | 浙江大华技术股份有限公司 | Lens-barrel sliding block, focusing lens, image collecting equipment, controller and control method |
| CN104076479B (en) * | 2013-03-28 | 2017-07-14 | 浙江大华技术股份有限公司 | Lens barrel sliding block, amasthenic lens, image capture device, controller and control method |
| CN104729438A (en) * | 2013-12-24 | 2015-06-24 | 特莎有限公司 | Motorized inclinable measuring head |
| CN104729438B (en) * | 2013-12-24 | 2019-01-18 | 特莎有限公司 | Motorization inclination measurement head |
| CN112393680A (en) * | 2019-08-16 | 2021-02-23 | 深圳中科飞测科技有限公司 | Detection device, control method thereof, detection lens assembly and controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102466842B (en) | 2013-04-24 |
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