CN102340622A - Image acquisition module - Google Patents
Image acquisition module Download PDFInfo
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- CN102340622A CN102340622A CN2010102301908A CN201010230190A CN102340622A CN 102340622 A CN102340622 A CN 102340622A CN 2010102301908 A CN2010102301908 A CN 2010102301908A CN 201010230190 A CN201010230190 A CN 201010230190A CN 102340622 A CN102340622 A CN 102340622A
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- circuit substrate
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- image capturing
- fore shell
- opening
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Abstract
The invention provides an image acquisition module which comprises a front shell, a lens module, a circuit substrate, an image sensor and a plurality of bolts, wherein the front shell comprises a front end surface and a rear end surface; the lens module is arranged on the front end surface; the image sensor is supported on the circuit substrate and electrically connected with the circuit substrate; and the circuit substrate is arranged on the rear end surface of the front shell through the plurality of bolts. The image acquisition module further comprises an adjustable pad, the adjustable pad is arranged between the front end surface of the front shell and the circuit substrate, the adjustable pad comprises a first surface which is opposite to the circuit substrate, the first surface is also provided with at least three elastic sheets which project relative to the first surface, and the elastic sheets are pressed on the circuit substrate. The plurality of bolts are used for adjusting the deformation degree of the at least three elastic sheets so as to enable an optical axis of the lens module to be perpendicular with the center of the image sensor. The image acquisition module can be used for controlling the flatness of the circuit substrate and the front shell through adjusting the bolts and utilizing the deformation of the elastic sheets.
Description
Technical field
The present invention relates to a kind of image capturing module.
Background technology
Existing image capturing module generally comprises a fore shell, a camera lens module and a circuit substrate.Said fore shell comprises a front end face and a rear end face relative with said front end face.Said camera lens module is installed in said front end face.Said circuit substrate is installed on the said rear end face.
Yet, because when meeting render electrical base board is assembled into the rear end face of said fore shell, there is certain inclination angle in fabrication error between circuit substrate and the fore shell.So, can render electrical inclination be arranged between the optical axis of center and the camera lens module on the fore shell of CIS on the base board and not perpendicular, cause taken image distortion.
Summary of the invention
In view of this, be necessary to provide a kind of effectively preventing the image capturing module that inclination causes image distortion to occur because of the optical axis of CIS.
A kind of image capturing module, it comprises a fore shell, a camera lens module, a circuit substrate, a CIS and a plurality of bolt.Said fore shell comprises a front end face and a rear end face relative with said front end face.Said camera lens module is arranged on the said front end face.Said image sensor bearing electrically connects on said circuit substrate and with said circuit substrate.Said circuit substrate is together with being arranged on the rear end face of said fore shell through said a plurality of bolts.Said image capturing module further comprises a spacer.Said spacer is arranged between the rear end face and said circuit substrate of fore shell.Said spacer comprises one and said circuit substrate opposite first.This first surface also is provided with at least three flexure strips that said relatively first surface is protruding.Said flexure strip supports on said circuit substrate.The deformation quantity that said a plurality of bolt is used to adjust said at least three flexure strips makes the center of the optical axis of said camera lens module perpendicular to said CIS.
With respect to prior art; When the optical axis of the central vertical line of said CIS and camera lens module occurs tilting and do not align each other; When causing image distortion; Can be through the adjustment double-screw bolt, and utilize the deformation of said flexure strip to control the evenness of said circuit substrate and said fore shell, perpendicular with the optical axis of the center that guarantees the CIS on the said circuit substrate and the camera lens module on the fore shell.
Description of drawings
The stereogram of the image capturing module that Fig. 1 provides for embodiment of the present invention;
Fig. 2 is the perspective exploded view of the image capturing module among Fig. 1;
Fig. 3 is the perspective exploded view at another visual angle of the image capturing module among Fig. 1;
Fig. 4 is the assembling sketch map of the image capturing module among Fig. 3;
Fig. 5 is the generalized section along the V-V line of the image capturing module among Fig. 1.The main element symbol description
Camera lens module 20
Run through opening 110
First internal thread 112
First double-screw bolt 121
Second double-screw bolt 122
Focusing ring 24
Second internal thread 242
First external screw thread 244
Second external screw thread 220
Loading end 31
Metal fin 32
Flexure strip 53
Embodiment
Please consult Fig. 1 to Fig. 3 in the lump, image capturing module 100 provided by the invention, it comprises a fore shell 10, camera lens module 20, circuit substrate 30, a CIS 40 and a spacer 50.
Said fore shell 10 is a rectangular structure empty in, and it comprises the rear end face 12 (ginseng Fig. 4) that a front end face 11 and and said front end face 11 are relative.What offer a circle on the said front end face 11 runs through opening 110, and convexes with one first boss 111 around the said opening 110 that runs through.Inboard and said opening 110 inboards of running through of said first boss 111 are provided with the first continuous internal thread 112.Be extended with three first double-screw bolts 121 and three second double-screw bolts 122 on the said rear end face 12, said three first double-screw bolts 121 and said three second double-screw bolts 122 are distributed in the said both sides of running through opening 110 with symmetrical manner roughly respectively.In the practical application, also can first double-screw bolt 121 and second double-screw bolt 122 more than two or three be set, be not limited to this execution mode according to demand.
Said camera lens module 20 is arranged on the front end face 11 of said fore shell 10.This camera lens module 20 comprises a lens barrel 22, at least one is housed in lens (figure does not show) and a focusing ring 24 in the lens barrel 22.Said focusing ring 24 1 and said fore shell 10 convex with one second boss 240 on the relative side.The inboard of said second boss 240 is provided with one second internal thread 242, and the outside of said second boss 240 is provided with one first external screw thread 244.Said lens barrel 22 is provided with one second external screw thread 220.Second external screw thread 220 of said lens barrel 22 is screwed with second internal thread 242 of said focusing ring 24, so that said lens barrel 22 is screwed onto with focusing ring 24.First external screw thread 244 and said first internal thread 112 that runs through opening 110 of said focusing ring 24 are screwed, with said focusing ring 24 and said fore shell 10 bolts.Said camera lens module 20 adopts the mode that is spirally connected to be fixed on the running through in the opening 110 of front end face 11 of said fore shell 10, not only convenient focusing but also be convenient to installation and removal.
Said circuit substrate 30 can be made by materials such as glass fiber, reinforced plastics or potteries, and it has a loading end 31.In this execution mode, the periphery of said loading end 31 is equipped with metal fin 32.Said metal fin 32 is a copper sheet.A plurality of first double-screw bolts 121 positions on the rear end face 12 of these circuit substrate 30 corresponding said fore shells 10 are provided with a plurality of first screws 310.
Said CIS 40 can be Charged Coupled Device transducer (Charge Coupled Device; CCD) or complementary metal oxide sensor (Complementary Metal Oxide Semiconductor; CMOS), it becomes the signal of telecommunication in order to the light signal that camera lens module 20 is absorbed.Said CIS 40 is installed on the loading end 31 of said circuit substrate 30 and with said circuit substrate 30 and electrically connects, and by 32 of metal fins on the said loading end 31 around.
Said spacer 50 is arranged between the rear end face 12 and said circuit substrate 30 of said fore shell 10.In this execution mode, said spacer 50 is made of copper.Said spacer 50 comprises one and said circuit substrate 30 opposite first 51.Said spacer 50 offers an opening 52.This spacer 50 is formed with three flexure strips 53 that protrude from said first surface 51.In this execution mode, the side that these three flexure strips 53 are provided with around said opening 52 respectively and wherein two flexure strips 53 are arranged on said opening 52, another one flexure strip 53 is provided with the relative opposite side of this side.Said three flexure strips 53 line between any two intersects each other, preferably, said three flexure strips 53 between any two link to rare two equal in length.A plurality of second double-screw bolts 122 positions on the rear end face 12 of said spacer 50 corresponding said fore shells 10 are provided with a plurality of second screws 510.
In the practical application, also can only the flexure strip 53 more than three be set on said spacer 50, be not limited to this execution mode.
During assembling, said camera lens module 20 is fixedly held on the front end face 11 of said fore shell 10.Said CIS 40 mechanicalnesses and be electrically connected to said circuit substrate 30.A plurality of second screws 510 of said spacer 50 respectively with the rear end face 12 of said fore shell 10 on a plurality of second double-screw bolts 122 align mutually, and through a plurality of bolts 60 said spacer 50 is installed on said second double-screw bolt 122 respectively.A plurality of first screws 310 of said circuit substrate 30 respectively with the rear end face 12 of said fore shell 10 on a plurality of first double-screw bolts 121 align mutually, and through a plurality of bolts 60 said circuit substrate 30 is installed on first double-screw bolt 121 of said fore shell 10 respectively.Said CIS 40 is arranged in the said opening 52 of said spacer 50, and this circuit substrate 30 supports on the flexure strip 53 of said spacer 50 simultaneously.
See also Fig. 5; When detecting said image capturing module 100; When not vertical each other because the center of said CIS 40 occurs tilting with the optical axis of camera lens module 20, when causing image distortion, can be through the bolt 60 on the adjustment circuit substrate 30; And the deformation that utilizes said flexure strip 53 controls the evenness of said circuit substrate 30 and said fore shell 10, and is perpendicular with the optical axis of the center that guarantees the CIS 40 on the said circuit substrate 30 and the camera lens module 20 on the fore shell 10.After clear picture, stop to adjust the bolt 60 on the circuit substrate 30.
During use, in the process that said image capturing module 100 is made video recording, the heat that said CIS 40 and circuit substrate 30 produce is passed to said spacer 50 through the metal fin 32 on the said circuit substrate 30.Because spacer 50 is exposed in the air, therefore, can heat directly be passed in the air to reach the effect of heat radiation through spacer 50.
It is understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection range that all should belong to claim of the present invention with distortion.
Claims (8)
1. image capturing module; It comprises a fore shell, a camera lens module, a circuit substrate, a CIS and a plurality of bolt; Said fore shell comprises a front end face and a rear end face relative with said front end face; Said camera lens module is arranged on the said front end face; Said image sensor bearing electrically connects on said circuit substrate and with said circuit substrate; It is characterized in that: said circuit substrate is together with being arranged on the rear end face of said fore shell through said a plurality of bolts, and said image capturing module further comprises a spacer, and said spacer is arranged between the rear end face and said circuit substrate of fore shell; Said spacer comprises one and said circuit substrate opposite first; This first surface also is provided with the protruding flexure strips of at least three said relatively first surfaces, and said flexure strip supports on said circuit substrate, and the deformation quantity that said a plurality of bolts are used to adjust said at least three flexure strips makes the center of the optical axis of said camera lens module perpendicular to said CIS.
2. image capturing module as claimed in claim 1; It is characterized in that: be extended with a plurality of first double-screw bolts and a plurality of second double-screw bolt on the rear end face of said fore shell; Said circuit substrate is screwed onto on said a plurality of first double-screw bolt through bolt, and said spacer is screwed onto on said a plurality of second double-screw bolt through bolt.
3. image capturing module as claimed in claim 1; It is characterized in that: the opening that runs through that offers a circle on the said front end face; And convex with one first boss around the said opening that runs through, and the inboard and said opening inboard of running through of said first boss is provided with the first continuous internal thread, and said camera lens module comprises a lens barrel, at least one is housed in lens and a focusing ring in the lens barrel; Convex with one second boss on one side relative of said focusing ring with said fore shell; The inboard of said second boss is provided with one second internal thread, and the outside of said second boss is provided with one first external screw thread, and said lens barrel is provided with one second external screw thread; Second external screw thread of said lens barrel and second internal thread of said focusing ring are screwed; So that said lens barrel is screwed onto with focusing ring, first external screw thread of said focusing ring and said first internal thread that runs through opening are screwed, with said focusing ring and said fore shell bolt.
4. image capturing module as claimed in claim 1; It is characterized in that: said circuit substrate has a loading end; Said CIS is installed on the said loading end, and the periphery of said loading end is equipped with metal fin, and said metal fin is around said CIS.
5. image capturing module as claimed in claim 4 is characterized in that: said metal fin is a copper sheet.
6. image capturing module as claimed in claim 1 is characterized in that: said spacer offers an opening, and said CIS is arranged in said opening.
7. image capturing module as claimed in claim 6; It is characterized in that: the first surface of said spacer is provided with three flexure strips; These three flexure strips respectively around said opening setting and wherein two flexure strips be arranged on a side of said opening, the another one flexure strip is arranged on the relative opposite side of this side.
8. image capturing module as claimed in claim 7 is characterized in that: said three flexure strips line between any two intersects each other, and between any two link to rare two equal in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102301908A CN102340622A (en) | 2010-07-19 | 2010-07-19 | Image acquisition module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102301908A CN102340622A (en) | 2010-07-19 | 2010-07-19 | Image acquisition module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102340622A true CN102340622A (en) | 2012-02-01 |
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ID=45516109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102301908A Pending CN102340622A (en) | 2010-07-19 | 2010-07-19 | Image acquisition module |
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| CN (1) | CN102340622A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293630A (en) * | 2013-06-04 | 2013-09-11 | 四川艾普视达数码科技有限公司 | Threaded focusing mechanism |
| CN103759828A (en) * | 2014-01-10 | 2014-04-30 | 中国科学院长春光学精密机械与物理研究所 | Fixing and imaging device for ultraviolet reinforcing type CCD detector bare chip |
| CN104735313A (en) * | 2013-12-19 | 2015-06-24 | 艾思路森股份有限公司 | Apparatus and method for aligning optical axes of lenses and assembling camera module |
| CN107455005A (en) * | 2016-09-27 | 2017-12-08 | 深圳市大疆创新科技有限公司 | Camera and picture shooting assembly |
| US10542276B2 (en) | 2016-09-20 | 2020-01-21 | Montage Lz Semiconductor (Shanghai) Co., Ltd. | Data caching method and apparatus for video decoder |
| CN111007619A (en) * | 2018-10-08 | 2020-04-14 | 群光电子股份有限公司 | Lens device and lens focusing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784954Y (en) * | 2005-04-04 | 2006-05-31 | 天瀚科技股份有限公司 | Lens locking structure |
| CN101470241A (en) * | 2007-12-27 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Lens mounting stand |
| CN101620304A (en) * | 2008-06-30 | 2010-01-06 | 鸿富锦精密工业（深圳）有限公司 | Image capture module |
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2010
- 2010-07-19 CN CN2010102301908A patent/CN102340622A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784954Y (en) * | 2005-04-04 | 2006-05-31 | 天瀚科技股份有限公司 | Lens locking structure |
| CN101470241A (en) * | 2007-12-27 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Lens mounting stand |
| CN101620304A (en) * | 2008-06-30 | 2010-01-06 | 鸿富锦精密工业（深圳）有限公司 | Image capture module |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293630A (en) * | 2013-06-04 | 2013-09-11 | 四川艾普视达数码科技有限公司 | Threaded focusing mechanism |
| CN103293630B (en) * | 2013-06-04 | 2015-04-15 | 四川艾普视达数码科技有限公司 | Threaded focusing mechanism |
| CN104735313A (en) * | 2013-12-19 | 2015-06-24 | 艾思路森股份有限公司 | Apparatus and method for aligning optical axes of lenses and assembling camera module |
| CN104735313B (en) * | 2013-12-19 | 2019-05-03 | 艾思路森股份有限公司 | For being directed at the optical axis of lens and assembling the device and method of camera module |
| CN103759828A (en) * | 2014-01-10 | 2014-04-30 | 中国科学院长春光学精密机械与物理研究所 | Fixing and imaging device for ultraviolet reinforcing type CCD detector bare chip |
| CN103759828B (en) * | 2014-01-10 | 2015-08-19 | 中国科学院长春光学精密机械与物理研究所 | Fixing and the imaging device of ultraviolet enhancement CCD detector bare chip |
| US10542276B2 (en) | 2016-09-20 | 2020-01-21 | Montage Lz Semiconductor (Shanghai) Co., Ltd. | Data caching method and apparatus for video decoder |
| CN107455005A (en) * | 2016-09-27 | 2017-12-08 | 深圳市大疆创新科技有限公司 | Camera and picture shooting assembly |
| WO2018058333A1 (en) * | 2016-09-27 | 2018-04-05 | 深圳市大疆创新科技有限公司 | Camera and photographing assembly |
| CN107455005B (en) * | 2016-09-27 | 2020-05-05 | 深圳市大疆创新科技有限公司 | Camera and shooting assembly |
| US10897559B2 (en) | 2016-09-27 | 2021-01-19 | SZ DJI Technology Co., Ltd. | Camera and photography assembly |
| CN111007619A (en) * | 2018-10-08 | 2020-04-14 | 群光电子股份有限公司 | Lens device and lens focusing method |
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Application publication date: 20120201 |