CN2862066Y - Automatic focusing scene module - Google Patents
Automatic focusing scene module Download PDFInfo
- Publication number
- CN2862066Y CN2862066Y CN 200520144136 CN200520144136U CN2862066Y CN 2862066 Y CN2862066 Y CN 2862066Y CN 200520144136 CN200520144136 CN 200520144136 CN 200520144136 U CN200520144136 U CN 200520144136U CN 2862066 Y CN2862066 Y CN 2862066Y
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- China
- Prior art keywords
- lens
- coil
- inner face
- camera lens
- loam cake
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Abstract
The utility model relates to a lens module with automatic focusing via backward and forward moving driven by electromagnetic force, comprising a base, two guiding pins, two conducting strips, a lower frame, a lens jacket, two springs, a coil, a lens, a lens upper frame, two magnets, and a top cap. The lens jacket, coil and upper frame are clamped outside the lens to form a lens barrel set, and the coil is bounded between the lens jacket and upper frame, so as to decrease the diameter and occupied volume of the coil. Two arc-shaped magnets are respectively clamped on the left and right sides of the coil and positioned by the top cap, so as to decrease the occupied volume of the magnets. Two springs are respectively disposed on the two diagonal guide pins at the inner face of the base, and are respectively extruded to the inner face of the top cap, so as to provide uniform spring force to the movement of lens barrel for focusing. The lens module has simple structure and downsized volume, and the lens barrel set can stably move for focusing.
Description
Technical field
The utility model provides a kind of autofocus lens module, refers in particular to a kind of driving force of utilizing electromagnetic force and compression spring masterpiece to adjust for the camera lens focusing.
Background technology
The mobile phone of digital camera or tool shoot function all is provided with a camera lens module, and can set up a focus adjuster on the camera lens module; And the camera lens module that uses at present must meet in design gently, approaches, short and small requirement, and must have accuracy and durability, guarantees to operate 200,000 times at least as focus adjuster can not get loose; And it is favourable in the focusing adjusting gear of commonly seeing with means of electromagnetic forces adjustment person, but the person's of commonly using coil is to be set in the lens barrel periphery of (comprising camera lens and outer sandwiched frame thereof), and the set magnet of coil periphery also is a whole circle formula ring-shaped magnet, cause and commonly use the shared volume of camera lens module and increase relatively, be unfavorable for miniaturization; Does not commonly use again the person and be to use shell fragment forming equilibrium state, but this shell fragment design is subject to external force deformation with electromagnetic force, comprise vibrations, playback (original position falls back) or use for a long time after, causing influences stationarity and the accuracy that lens barrel moves.
Summary of the invention
The utility model fundamental purpose is to provide a kind of autofocus lens module, and it is that utilize that a lens sleeve, a coil and a upper ledge be folded in camera lens outer placed forming a lens barrel group, and makes the coil clamping between lens sleeve and upper frame; Again two arc-shaped magnets are folded in the left and right side of coil respectively, and locate by a loam cake; Lead on the tip at the diagonal angle two that two springs is set in the inner face of a bottom respectively again, and it is upwards oppressed on the inner face of loam cake respectively; Thus, make camera lens module reach member simplification, volume-diminishedization and lens barrel group and can stablize the effect that focusing is moved.
The technical solution adopted in the utility model is: a kind of autofocus lens module comprises:
Bottom is a rectangle frame support body, and its four jiaos places are provided with to fasten with four supports and supply to be buckled into one with loam cake, and its centre is provided with a perforation for the optical path that forms camera lens, and the place, diagonal angle of its inner face is provided with two fixed orifices and leads the tip for plugging one respectively;
Two lead the tip, are vertical respectively inserting admittedly on place, bottom inner face diagonal angle two fixed orifices;
Two conducting strips are to be sticked respectively on bottom connecting different electrodes, and establish a medium pore between two conducting strips for the optical path that forms camera lens, and each conducting strip is established a perforation and passed for leading tip correspondence again;
One lower frame is provided in a side of on two conducting strips, and its centre is provided with a medium pore for the optical path that forms camera lens;
Lens sleeve is to comprise peripheral two symmetrical protruding ears of an annular frame and frame loops periphery, respectively establishes a perforation on this two lug and leads tip correspondence for two and pass, and is provided with a medium pore again for the assembling camera lens;
Two springs are to be set in respectively to lead on the tip, and the bottom of each spring is pressed against downwards respectively on two symmetrical protruding ears of lens sleeve;
Camera lens is to be installed in the medium pore of lens sleeve;
Coil is to be set in above the annular frame of lens sleeve, and its head, tail end lead are connected to conducting strip respectively;
Upper ledge, be to comprise an annular frame and frame loops periphery two buttons, and mat two buttons and lens sleeve fasten, and make upper ledge, coil and lens sleeve be folded in the periphery of camera lens and form a lens barrel group, and make the coil clamping between the corresponding annular frame of the annular frame of upper ledge and lens sleeve;
Two magnet are two symmetrical arc-shaped magnets, are folded in the left and right side outer rim of coil respectively;
Loam cake is to be buckled into one and to form a camera lens module with bottom, makes two magnet clampings between loam cake and lower frame, and two springs respectively upwards compressing on the inner face of loam cake, two spring clamps are located between the lug of the inner face of loam cake and lens sleeve;
Thus, can utilize coil and magnet interphase interaction to produce electromagnetic force and move axially to drive the lens barrel group, and two springs be set in respectively lead on the tip and resiliency supported between lens barrel group and loam cake inner face, the lens barrel group can be stablized moves axially.
Can upwards be convexly equipped with a lug respectively on described two conducting strips, and a protruding axle can correspondence on the lower frame be set, make head, the tail end lead of coil can draw and walk around protruding and be welded on the lug of conducting strip respectively.
The place, inner face diagonal angle of described bottom can establish two location slightly, can establish two pilot holes at the correspondence position of this two conducting strip and this lower frame again, goes up slightly for two location that can corresponding be linked in bottom.
Description of drawings
Fig. 1 is the stereographic map of the utility model one embodiment;
Fig. 2 is the three-dimensional exploded view of the utility model Fig. 1;
Fig. 3 is the utility model Fig. 1 one side sectional view;
Fig. 4 is the utility model Fig. 1 another side cut-open view;
Fig. 5 A～Fig. 5 J is the three-dimensional combination figure that each member makes up in regular turn in the utility model;
Fig. 6 is a coil electrically conducting manner synoptic diagram of the present utility model.
Description of reference numerals: camera lens module 1; Lens barrel group 2; Bottom 10; Support 11; Perforation 12; Fixed orifice 13; Location slightly 14; Lead the tip 20; Conducting strip 30; Pilot hole 31; Lug 32; Medium pore 33; Perforation 34; Lug 35; Lower frame 40; Medium pore 41; Pilot hole 42; Protruding axle 43; Sleeve 50; Framework 51; Lug 52; Perforation 53; Medium pore 54; Spring 60; Coil 70; Lead 71; Camera lens 80; Upper ledge 90; Framework 91; Button 92; Magnet 100; Loam cake 110.
Embodiment
For making the utility model clear and definite more full and accurate, cooperate following each preferred embodiment diagram to describe in detail as the back now:
Shown in figure 1～Fig. 4 and Fig. 5 A～Fig. 5 J figure, the utility model camera lens module 1 comprises a bottom (base) 10, two lead the tip (guide pin) 20, two conducting strips (copper plate) 30, one lower frame (bottom plate) 40, one lens sleeve (lens holder) 50, two springs (spring) 60, one coil (coil) 70, one camera lens (lens) 80, one camera lens upper ledge (top plate) 90, two magnet (magnet) 100, an and loam cake (top cover) 110, wherein, lens sleeve 50, coil 70 and upper ledge 90 are the peripheries that are folded in camera lens 80, can synchronization-moving lens barrel group 2 and form one jointly, as shown in Figure 2; And lens barrel group 2 is again and two leads the tip 20, two conducting strips 30, a lower frame 40, two magnet 100 and be interposed in jointly between bottom 10 and the loam cake 110 and form a camera lens module 1, and lens barrel group 2 can be in camera lens module 1 telescopic movable, make that camera lens 80 has far, function is adjusted in nearly focusing.
Fig. 5 A～Fig. 5 J is the three-dimensional combination figure that each member makes up in regular turn in the utility model, wherein, shown in figure 5A, bottom 10 is rectangle frame support bodys, its four jiaos places are provided with and fasten with four supports 11 for being combined into one with loam cake 110, its centre is provided with a perforation 12 for the optical paths that form camera lenses 80 again, and place, bottom 10 inner faces, two diagonal angle is provided with two fixed orifices 13 and two location slightly 14 respectively again.Shown in figure 5B, two lead the tip (guide pin) the 20th, vertically plug respectively and are fixed on two fixed orifices 13 of bottom 10 inner faces.Shown in figure 5C, two conducting strips (copper plate) 30 are conductive copper sheets of two symmetric shapes, but mat on it on pilot hole 31 and the bottom 10 location 14 cooperate slightly, two conducting strips 30 are installed in respectively on the bottom 10 to form the electrical isolation state, and respectively mat lug 32 to connect different electrodes, establish a medium pore 33 again between two conducting strips 30 for the optical path that forms camera lenses 80, be provided with two perforation 34 again and lead the tip 20 correspondences for two and pass.Shown in figure 5D, lower frame (bottom plate) 40 is provided in a side of on two conducting strips 30, but the location of its place, mat diagonal angle two pilot holes 42 and bottom 10 14 cooperates slightly, and lower frame 40 is installed on two conducting strips 30, and its centre is provided with a medium pore 41 for the optical path that forms camera lenses 80 again.Shown in figure 5E, lens sleeve 50 comprises peripheral two symmetrical protruding ears 52 of an annular frame 51 and framework 51 ring rims, respectively establishes a perforation 53 on this two lug 52 and leads the tip 20 correspondences for two and pass, and sleeve 50 is provided with a medium pore 54 for assembling camera lens 80 again.Shown in figure 5F, two springs 60 are set in two respectively and lead on the tip 20, and the bottom of two springs 60 is pressed against downwards respectively on two symmetrical protruding ears 52 of lens sleeve 50, but and two springs, 60 mats lead the tip 20 and increase the stability of telescopic movable.Shown in figure 5G, camera lens 80 is to be installed in the medium pore 54 of sleeve 50.Shown in figure 5H, coil 70 is to be set in above the annular frame 51 of sleeve 50, and makes head, the tail end of coil 70 connect the different electrodes of two conducting strips 30 respectively.Shown in figure 5I, upper ledge (top plate) the 90th cooperates sleeve 50 designs, comprise an annular frame 91 and framework 91 ring rims two buttons 92, and mat two buttons 92 fasten with sleeve 50, what make that upper ledge 90, coil 70 and lens sleeve 50 be folded in camera lens 80 places and forms a lens barrel group 2 outward; And this coil 70 is clampings between the corresponding annular frame 51 of the annular frame 91 of upper ledge 90 and sleeve 50, can reduce the wide and shared volume in footpath of coil 60.Shown in figure 5J, two magnet (magnet) 100 are two symmetrical arc-shaped magnets, be folded in the left and right side outer rim of coil 70 respectively, use and replace the whole circle ring-shaped magnet of operated by rotary motion in coil periphery, and can reduce magnet 100 shared volumes, and the head of coil 70, tail end can change different electrodes and size of current, use to cooperate magnet 100 (N, the S utmost point) to drive lens barrel group 2 action of focusing to produce upper and lower different directions and different strong and weak electromagnetic force, to use.Last with reference to shown in Figure 1, loam cake 110 is to cooperate bottom 10 designs, can be buckled into one and form a camera lens module 1 with bottom 10, and make two magnet, 100 clampings between loam cake 110 and lower frame 40 and can not be shifted; Again two springs 60 respectively upwards compressing on the inner face of loam cake 110, make between the lug 52 of inner face that two springs 60 are folded in loam cake 110 and sleeve 50, and mat is led the tip 20 correctings again, make two springs 60 tool stability deeply in compression process.
During assembling, two springs 60 can adopt the compression spring, and when loam cake 110 and bottom 10 are buckled into one, this two spring 60 can be compressive state by loam cake 110 to lower compression earlier, this moment, two springs 60 were also simultaneously to two symmetry lug 52 of lower compression lens barrel group 2 middle sleeves 50, make lens barrel group 2 parked lower dead point positions in its flexible traverse, and form burnt position far away; And the producing method of coil 70 and 100 electromagnetic forces of magnet only can select to produce upwards (preceding) electromagnetic force, makes when burnt position far away, and coil 70 obstructed electric currents cause and do not produce electromagnetic force, and the lens barrel group 2 was not subjected to the electromagnetic force effect and rested on burnt position far away this moment; When desiring to focus action, then control an an amount of electric current by coil 70, use produce an an amount of electromagnetic force with order about lens barrel group 2 upwards (to the shooting thing) stretch out, and form nearly burnt state, and when suffered electromagnetic force on the lens barrel group 2 equals the length of spring compressed power of two springs 60 and reaches balance, lens barrel group 2 promptly rests on this one nearer burnt position, adjustment back, therefore lens barrel group 2 moves forward to nearly burnt position palpus mat electromagnetic force by burnt position far away, but by nearly burnt position return back to backward burnt position far away then mat compression spring 60 restoring force and playback, adjust effect to reach far and near focusing.
The utility model camera lens module 1 compares with known camera lens module, has following advantage at least:
(1) coil 70 of the present utility model is that direct clamping is between the upper and lower corresponding second ring framework 51,91 of lens sleeve 50 and upper ledge 90, coil 70 is embedded in the thickness of second ring framework 51,91, so can effectively reduce the wide and shared volume in lens barrel group 2 footpaths, make camera lens module 1 volume-diminishedization.
(2) person is arranged on coil periphery with a whole circle formula ring-shaped magnet to commonly use the electromagnetic type, makes entire outer diameter be 360 ° of increasings, and right the utility model is the left and right side periphery that mat two arc-shaped magnets 100 symmetries are folded in coil 70; Magnet 100 clampings so can simplify member and reduce magnet 90 shared volumes, make camera lens module 1 volume-diminishedization between loam cake 110 and lower frame 40 and can not be shifted again.
(3) the utility model utilizes two springs 60 to be folded between the lug 52 of the inner face of loam cake 110 and sleeve 50, and spring 60 is set in lead on the tip 20, make two springs 60 dark tool stability in compression process, can stablize and carry out distance focusing adjustment.
Again with reference to shown in figure 6, Fig. 5 C, Fig. 5 D, the head of coil 70, tail end are the different electrodes that connect two conducting strips 30 respectively, can upwards be convexly equipped with a lug 35 respectively on this two conducting strip 30, and can one protruding axle 43 be set correspondence on the lower frame 40, make the head/tail end lead 71 of coil 70 can draw and walk around protruding axle 42 respectively and be welded on the lug 35 of conducting strip 30, use preventing that lead 71 is because of lens barrel group 2 long-time movable fractures.
Above-mentioned graphic and explanation of taking off only is embodiment of the present utility model, and is non-for limiting embodiment of the present utility model; Generally be familiar with the personage of this skill, it complies with feature category of the present utility model, and other equivalence of being done changes or modifies, and all should be encompassed in the claim of following this case.
Claims (3)
1. autofocus lens module is characterized in that: comprise:
Bottom is a rectangle frame support body, and its four jiaos places are provided with to fasten with four supports and supply to be buckled into one with loam cake, and its centre is provided with a perforation for the optical path that forms camera lens, and the place, diagonal angle of its inner face is provided with two fixed orifices and leads the tip for plugging one respectively;
Two lead the tip, are vertical respectively inserting admittedly on place, bottom inner face diagonal angle two fixed orifices;
Two conducting strips are to be sticked respectively on bottom connecting different electrodes, and establish a medium pore between two conducting strips for the optical path that forms camera lens, and each conducting strip is established a perforation and passed for leading tip correspondence again;
One lower frame is provided in a side of on two conducting strips, and its centre is provided with a medium pore for the optical path that forms camera lens;
Lens sleeve is to comprise peripheral two symmetrical protruding ears of an annular frame and frame loops periphery, respectively establishes a perforation on this two lug and leads tip correspondence for two and pass, and is provided with a medium pore again for the assembling camera lens;
Two springs are to be set in respectively to lead on the tip, and the bottom of each spring is pressed against downwards respectively on two symmetrical protruding ears of lens sleeve;
Camera lens is to be installed in the medium pore of lens sleeve;
Coil is to be set in above the annular frame of lens sleeve, and its head, tail end lead are connected to conducting strip respectively;
Upper ledge, be to comprise an annular frame and frame loops periphery two buttons, and mat two buttons and lens sleeve fasten, and make upper ledge, coil and lens sleeve be folded in the periphery of camera lens and form a lens barrel group, and make the coil clamping between the corresponding annular frame of the annular frame of upper ledge and lens sleeve;
Two magnet are two symmetrical arc-shaped magnets, are folded in the left and right side outer rim of coil respectively;
Loam cake is to be buckled into one and to form a camera lens module with bottom, makes two magnet clampings between loam cake and lower frame, and two springs respectively upwards compressing on the inner face of loam cake, two spring clamps are located between the lug of the inner face of loam cake and lens sleeve;
Thus, can utilize coil and magnet interphase interaction to produce electromagnetic force and move axially to drive the lens barrel group, and two springs be set in respectively lead on the tip and resiliency supported between lens barrel group and loam cake inner face, the lens barrel group can be stablized moves axially.
2. according to the described autofocus lens module of claim 1, it is characterized in that: can upwards be convexly equipped with a lug respectively on described two conducting strips, and a protruding axle can correspondence on the lower frame be set, make head, the tail end lead of coil can draw and walk around protruding and be welded on the lug of conducting strip respectively.
3. according to the described autofocus lens module of claim 1, it is characterized in that: the place, inner face diagonal angle of described bottom can establish two location slightly, can establish two pilot holes at the correspondence position of this two conducting strip and this lower frame again, go up slightly for two location that can corresponding be linked in bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144136 CN2862066Y (en) | 2005-12-31 | 2005-12-31 | Automatic focusing scene module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144136 CN2862066Y (en) | 2005-12-31 | 2005-12-31 | Automatic focusing scene module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2862066Y true CN2862066Y (en) | 2007-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520144136 Expired - Fee Related CN2862066Y (en) | 2005-12-31 | 2005-12-31 | Automatic focusing scene module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2862066Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010075681A1 (en) * | 2009-01-05 | 2010-07-08 | Hong Kong Applied Science and Technology Research Institute Co. Ltd | Miniature actuator and optical apparatus |
| US7791827B2 (en) | 2008-12-10 | 2010-09-07 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Miniature actuator and optical apparatus |
| CN102087398A (en) * | 2009-12-03 | 2011-06-08 | 思考电机（上海）有限公司 | Lens driving device, autofocus camera, and camera-equipped mobile terminal |
| CN101710206B (en) * | 2009-12-09 | 2011-06-08 | 温州医学院 | High-precision automatic focusing device |
| CN102262279A (en) * | 2010-05-24 | 2011-11-30 | 思考电机（上海）有限公司 | Lens driving device, autofocus camera and camera-equipped mobile terminal |
| CN102313964A (en) * | 2010-07-02 | 2012-01-11 | 思考电机（上海）有限公司 | Lens driving device, automatic focusing camera and mobile terminal device |
| CN102331614A (en) * | 2010-07-07 | 2012-01-25 | 思考电机（上海）有限公司 | Lens drive device, automatic focus camera and mobile terminal device |
| CN104267480A (en) * | 2014-09-23 | 2015-01-07 | 格科微电子（上海）有限公司 | Control method used for camera module and camera module |
| JP2016180879A (en) * | 2015-03-24 | 2016-10-13 | ミツミ電機株式会社 | Lens driving device, camera module, and camera mount device |
| WO2017084090A1 (en) * | 2015-11-20 | 2017-05-26 | 三美电机株式会社 | Lens driving device, camera module and camera mounting device |
| CN110082886A (en) * | 2018-01-26 | 2019-08-02 | 大阳科技股份有限公司 | Lens set driving device, camera module and electronic device |
| CN111479047A (en) * | 2020-04-17 | 2020-07-31 | 维沃移动通信有限公司 | Camera shooting assembly and electronic equipment |
| CN111479046A (en) * | 2020-04-17 | 2020-07-31 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN111897086A (en) * | 2020-09-01 | 2020-11-06 | 重庆金山医疗器械有限公司 | Zooming structure, zooming objective lens, zooming method and electronic endoscope |
-
2005
- 2005-12-31 CN CN 200520144136 patent/CN2862066Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7791827B2 (en) | 2008-12-10 | 2010-09-07 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Miniature actuator and optical apparatus |
| WO2010075681A1 (en) * | 2009-01-05 | 2010-07-08 | Hong Kong Applied Science and Technology Research Institute Co. Ltd | Miniature actuator and optical apparatus |
| CN102087398A (en) * | 2009-12-03 | 2011-06-08 | 思考电机（上海）有限公司 | Lens driving device, autofocus camera, and camera-equipped mobile terminal |
| CN102087398B (en) * | 2009-12-03 | 2014-06-25 | 思考电机（上海）有限公司 | Lens driving device, autofocus camera, and camera-equipped mobile terminal |
| CN101710206B (en) * | 2009-12-09 | 2011-06-08 | 温州医学院 | High-precision automatic focusing device |
| CN102262279B (en) * | 2010-05-24 | 2013-05-15 | 思考电机（上海）有限公司 | Lens driving device, autofocus camera and mobile terminal |
| CN102262279A (en) * | 2010-05-24 | 2011-11-30 | 思考电机（上海）有限公司 | Lens driving device, autofocus camera and camera-equipped mobile terminal |
| CN102313964B (en) * | 2010-07-02 | 2013-06-19 | 思考电机（上海）有限公司 | Lens driving device, automatic focusing camera and mobile terminal device |
| CN102313964A (en) * | 2010-07-02 | 2012-01-11 | 思考电机（上海）有限公司 | Lens driving device, automatic focusing camera and mobile terminal device |
| CN102331614A (en) * | 2010-07-07 | 2012-01-25 | 思考电机（上海）有限公司 | Lens drive device, automatic focus camera and mobile terminal device |
| CN104267480A (en) * | 2014-09-23 | 2015-01-07 | 格科微电子（上海）有限公司 | Control method used for camera module and camera module |
| CN104267480B (en) * | 2014-09-23 | 2017-12-26 | 格科微电子（上海）有限公司 | Control method and camera module for camera module |
| JP2016180879A (en) * | 2015-03-24 | 2016-10-13 | ミツミ電機株式会社 | Lens driving device, camera module, and camera mount device |
| WO2017084090A1 (en) * | 2015-11-20 | 2017-05-26 | 三美电机株式会社 | Lens driving device, camera module and camera mounting device |
| CN110082886A (en) * | 2018-01-26 | 2019-08-02 | 大阳科技股份有限公司 | Lens set driving device, camera module and electronic device |
| CN111479047A (en) * | 2020-04-17 | 2020-07-31 | 维沃移动通信有限公司 | Camera shooting assembly and electronic equipment |
| CN111479046A (en) * | 2020-04-17 | 2020-07-31 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN111479047B (en) * | 2020-04-17 | 2021-09-03 | 维沃移动通信有限公司 | Camera shooting assembly and electronic equipment |
| CN111897086A (en) * | 2020-09-01 | 2020-11-06 | 重庆金山医疗器械有限公司 | Zooming structure, zooming objective lens, zooming method and electronic endoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070124 Termination date: 20121231 |