CN102214982A - Elastic sheet, voice coil motor and camera module - Google Patents
Elastic sheet, voice coil motor and camera module Download PDFInfo
- Publication number
- CN102214982A CN102214982A CN2010101436382A CN201010143638A CN102214982A CN 102214982 A CN102214982 A CN 102214982A CN 2010101436382 A CN2010101436382 A CN 2010101436382A CN 201010143638 A CN201010143638 A CN 201010143638A CN 102214982 A CN102214982 A CN 102214982A
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- shell fragment
- hole
- groove
- terminal
- voice coil
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Abstract
The invention relates to an elastic sheet which is provided with a flat plate and a connecting terminal which is connected with the flat plate, wherein a through hole is formed in the center of the flat plate; the flat plate is provided with an outer frame, an inner frame and at least two elastic parts; the outer frame surrounds the through hole; the elastic parts are positioned between the outer frame and the inner frame; and the end part of the connecting terminal, which is away from the flat plate, is provided with at least one through hole or groove. The invention also relates to a voice coil motor with the elastic sheet and a camera module with the voice coil motor.
Description
Technical field
The present invention relates to a kind of shell fragment, a kind of voice coil motor and camera module with this voice coil motor with this shell fragment.
Background technology
Voice coil motor has that volume is little, power consumption reaches advantages such as cheap less, the actuator that is suitable as in the electronic product (as digital camera, mobile phone, Digital Video etc.) (sees also Design ofa voice coil motorused in the focusing system of a digital video camera, Magnetics, IEEE Transactionson Volume 41, Issue 10, Oct.2005 Page (s): 3979-3981).
Existing voice coil motor generally has the fixation kit of a both ends open, movable component and two shell fragments that lay respectively at the fixation kit two ends that are housed in versatilely in the fixation kit.The shell fragment of voice coil motor usually is electrical connected by the method for a glue and the bearing substrate in the camera module.Particularly, earlier conducting resinl is located on the bearing substrate, the terminal that connects with shell fragment inserts conducting resinl then.Yet, it is less to connect the contacted area of terminal and conducting resinl, thereby the contact resistance that not only causes connecting terminal and conducting resinl is bigger, and make that the electric connection that connects between terminal and the conducting resinl is also unstable, and then cause the driving efficient of voice coil motor lower, auto-focus process is also unstable, and the efficient of whole camera module is also lower.
Summary of the invention
In view of this, provide the preferable shell fragment of a kind of and bearing substrate associativity, a kind of have the voice coil motor of this shell fragment and camera module that one has this voice coil motor real in necessary.
A kind of shell fragment has a flat board and reaches the terminal that connects that links to each other with described flat board.The central authorities of described flat board are provided with a through hole.Described flat board has housing, inside casing and at least two elastic part between described housing and described inside casing around described through hole.The described terminal that connects is provided with at least one through hole or groove away from the end of described flat board.
A kind of voice coil motor, it comprises the movable component of the fixation kit of a both ends open, a both ends open, a shell fragment and a bearing basement that is positioned at described fixation kit one end.Described movable component is contained in the described fixation kit versatilely.Described shell fragment has a flat board and reaches the terminal that connects that links to each other with described flat board.The central authorities of described flat board are provided with a through hole.Described flat board has housing, inside casing and at least two elastic part between described housing and described inside casing around described through hole.The described terminal that connects is provided with at least one through hole or groove away from the end of described flat board.The inside casing of described shell fragment and housing are fixed in an end of described movable component and fixation kit respectively, and describedly connect the end that terminal is provided with through hole or groove and be electrical connected by conducting resinl and described bearing substrate.
A kind of camera module, described camera module comprise at least one eyeglass, image sensor and a voice coil motor of accommodating described eyeglass.Described image sensor is used for sensing and passes the light of described eyeglass to form image.Described voice coil motor comprises the movable component of the fixation kit of a both ends open, a both ends open, a shell fragment and a bearing basement that is positioned at described fixation kit one end.Described movable accommodating cylinder is used to accommodate described at least one eyeglass, and described movable component is contained in the described fixation kit versatilely.Described shell fragment has a flat board and reaches the terminal that connects that links to each other with described flat board.The central authorities of described flat board are provided with a through hole.Described flat board has housing, inside casing and at least two elastic part between described housing and described inside casing around described through hole.The described terminal that connects is provided with at least one through hole or groove away from the end of described flat board.The inside casing of described shell fragment and housing are fixed in an end of described movable component and fixation kit respectively, and describedly connect the end that terminal is provided with through hole or groove and be electrical connected by conducting resinl and described bearing substrate.Described bearing basement is carried described image sensor, and is electrical connected with described image sensor.
Compared with prior art, the terminal that connects of the shell fragment that the embodiment of the invention provided is provided with at least one through hole or groove away from its dull and stereotyped end, make when its insertion is located at conducting resinl on the bearing substrate, it is bigger to connect the contacted area of terminal and conducting resinl, thereby not only can reduce to connect the contact resistance of terminal and conducting resinl, and make that the electric connection that connects between terminal and the conducting resinl is also more stable, and then the driving efficient that causes voice coil motor with this shell fragment is higher, auto-focus process is also more stable, and the efficient of whole camera module with this voice coil motor is also higher.
Description of drawings
Fig. 1 is the schematic diagram of the camera module in the first embodiment of the invention, and this camera module has shell fragment.
Fig. 2 is the schematic diagram of the shell fragment in the first embodiment of the invention.
Fig. 3 is the schematic diagram of the shell fragment in the second embodiment of the invention.
The main element symbol description
Fixed mount 3011
First containing cavity 3015
Movable accommodating cylinder 3031
Second containing cavity 3035
Shell fragment 305,307,305a, 305b
Connect terminal 3052,3072,3052a, 3052b
Through hole 3053,3059
Groove 3059a, 3059b
Inside casing 3055,3075
Recess 3058
First connecting portion 3061
Second connecting portion 3062
Loading end 3091
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See also Fig. 1, it is the camera module 100 that the embodiment of the invention provided, and it comprises a lens barrel (figure does not show), is contained in eyeglass 10, image sensor 20 and voice coil motor 30 in the lens barrel.Image sensor 20 is used for sensing and passes the light of eyeglass 10 to form image.Certainly, the number of eyeglass 10 also can be not limited in the present embodiment for a plurality of.
This fixed mount 3011 is support bodys that are the square tubular in the present embodiment, and it defines four square sidewalls, a square end face and a square bottom surface.Four square sidewalls of fixed mount 3011 surround one first containing cavity, 3015, the first containing cavities 3015 and are used for accommodating movable component 303.The intersection of per two sidewalls forms a rib 3017.Four ribs 3017 of fixed mount 3011 stretch out from the bottom surface respectively and form four first positioning units 3019.Four ribs 3017 of fixed mount 3011 also stretch out from end face respectively and form four first positioning units 3019.The direction that first positioning unit 3019 extends is parallel to the direction of fixed mount 3011 central shafts.Four first positioning units 3019 of end face are used for shell fragment 305 location and are fixed in fixed mount 3011.Four first positioning units 3019 of bottom surface are used for another shell fragment 307 location and are fixed in fixed mount 3011.In the present embodiment, first positioning unit 3019 is a reference column.
Certainly, first positioning unit 3019 also can be location hole, and the number of first positioning unit 3019 also can be two, three or more.
Be appreciated that the also moulding separately of first positioning unit 3019, fix as one by gummed other consolidation methods and fixed mount 3011 such as bond, be spirally connected again.It will also be appreciated that fixed mount 3011 also can not be provided with first positioning unit 3019.
Movable accommodating cylinder 3031 is a square structure, and it has the second roughly rounded containing cavity 3035.Second containing cavity 3035 is used for accommodating lens barrel.The central axis direction that the edge of second containing cavity 3035 is parallel to movable accommodating cylinder 3031 extends to form eight second reference columns 3037.In eight second reference columns 3037, four tops that are uniformly distributed in movable accommodating cylinder 3031, four bottoms that are uniformly distributed in movable accommodating cylinder 3031 are used for and shell fragment 305 and 307 location and fixing.
Be appreciated that the also moulding separately of second reference column 3037, fix as one by gummed other consolidation methods and movable accommodating cylinder 3031 such as bond, be spirally connected again.
Dull and stereotyped 3051 geometric center offers a through hole 3053.Through hole 3053 makes the light that passes eyeglass 10 can pass through shell fragment 305.Dull and stereotyped 3051 have one around through hole 3053 and away from the housing 3054 of through hole 3053, one around through hole 3053 and near inside casing 3055 and four elastic part 3056 between housing 3054 and inside casing 3055 of through hole 3053.Certainly, also can only establish two elastic part 3056 between housing 3054 and the inside casing 3055.
Certainly, the shape of housing 3054 also can be other geometries such as circle, triangle, quadrangle, pentagon or six side shapes.
Inside casing 3055 offers four openings towards through hole 3053 and the recess 3058 that is communicated with through hole 3053.Recess 3058 matches with second reference column 3037 shell fragment 305 and movable accommodating cylinder 3031 location.In order to make shell fragment 305 and movable accommodating cylinder 3031 more firm regularly, also can between the recess 3058 and second reference column 3037, put glue.Certainly, recess 3058 also can be replaced by the hole that is not communicated with through hole 3053.
Connect terminal 3052 and be provided with two through holes 3059 away from dull and stereotyped 3051 end, so that will connect terminal 3052 when being electrical connected by conducting resinl (figure do not show) and bearing substrate 309, increase the contact area that connects between terminal 3052 and the conducting resinl, thereby not only can reduce to connect the contact resistance between terminal 3052 and the conducting resinl, but also can be so that the electric connection between guiding access 3052 and the conducting resinl is also more stable.
In the present embodiment, it is L-shaped to connect terminal 3052, second connecting portion 3062 that first connecting portion 3061 that it has with dull and stereotyped 3051 housing 3054 directly links to each other reaches and first connecting portion 3061 is perpendicular.Two through holes 3059 are located at second connecting portion 3062, and rounded.Certainly, connect terminal 3052 and also can not have second connecting portion 3062.At this moment, two through holes 3059 are located at the end of first connecting portion 3061 away from flat board 3051.Certainly, the number of through hole 3059 also can be not limited to present embodiment for one, three, four or more a plurality of.Certainly, a plurality of through hole 3059 also can be distributed on second connecting portion 3062 equably.
Certainly, voice coil motor 30 also can have only a shell fragment 305 or 307.
During assembling voice coil motor 30, the lens barrel group that can have eyeglass 10 is earlier gone into movable accommodating cylinder 3031, the movable accommodating cylinder 3031 that then will have lens barrel is put into fixed mount 3011, two ends with fixed mount 3011 reach fixing with shell fragment 305 and 307 location respectively again, so that the housing 3054 and 3074 of this fixed mount 3011 and shell fragment 305 and 307 fixes as one, the inside casing 3055 and 3075 of movable accommodating cylinder 3031 with shell fragment 305 and 307 fixed as one, the terminal 3052 and 3072 that connects with shell fragment 305 and 307 links to each other with two conductive pads 3092 and 3093 by conducting resinl respectively at last again.
With coil 3033 be communicated with external circuit by connecting terminal 3052 and 3072, making has electric current to flow in the coil 3033, and alive coil 3033 is subjected to the effect of power in the magnetic field that fixation kit 301 produces, driving movable accommodating cylinder 3031 moves along its central axis direction, when not having electric current to flow in the coil 3033, the elastic-restoring force in the shell fragment 305 and 307 drives movable accommodating cylinder 3031 and gets back to initial position.
Has through hole owing to connect the end of terminal 3052 and 3072, not only can reduce to connect terminal 3052 and 3072 and conducting resinl between contact resistance, but also can so that guiding access 3052 and 3072 and conducting resinl between electric connection also more stable, and then the driving efficient with shell fragment 305 and 307 voice coil motors 30 is higher, auto-focus process is also more stable, and the efficient of whole camera module 100 with voice coil motor 30 is also higher.
See also Fig. 2, its be second embodiment of the invention shell fragment 305a.Shell fragment 305a is substantially the same with shell fragment 305, has dull and stereotyped 3051a and connects terminal 3052a, and difference is: connect terminal 3052a and be provided with a plurality of groove 3059a away from the end of dull and stereotyped 3051a.Rectangular wave pattern of the common formation of a plurality of groove 3059a.Certainly, a plurality of groove 3059a also can form the sawtooth waveforms pattern.
See also Fig. 3, its be third embodiment of the invention shell fragment 305b.Shell fragment 305b is substantially the same with shell fragment 305a, has dull and stereotyped 3051b and connects terminal 3052b, and difference is: connect terminal 3052b and be provided with a v-depression 3059b away from the end of dull and stereotyped 3051b.Certainly, groove 3059b also can be the groove of square groove, U-lag, dovetail groove or other shapes.
In addition, those skilled in the art also can do other variation in spirit of the present invention.So the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (10)
1. shell fragment, described shell fragment has a flat board and reaches the terminal that connects that links to each other with described flat board, the central authorities of described flat board are provided with a through hole, described flat board has around the housing of described through hole, inside casing and two elastic part between described housing and described inside casing at least, it is characterized in that: the described terminal that connects is provided with at least one through hole or groove away from the end of described flat board.
2. shell fragment as claimed in claim 1, it is characterized in that: the described terminal that connects is the L type, it has first connecting portion and reaches and the second perpendicular connecting portion of described first connecting portion, described first connecting portion directly links to each other with described flat board, and described at least one through hole or groove are located at second connecting portion.
3. shell fragment as claimed in claim 1 is characterized in that: described at least one through hole is a plurality of through holes, and is evenly distributed on the described end that connects terminal away from flat board.
4. shell fragment as claimed in claim 1 is characterized in that: described groove is square groove, V-shaped groove, U-lag or dovetail groove.
5. shell fragment as claimed in claim 1 is characterized in that: described at least one groove is a plurality of grooves, and forms rectangular wave pattern or sawtooth waveforms pattern jointly.
6. voice coil motor, it comprises movable component and a bearing basement that is positioned at described fixation kit one end of the fixation kit of a both ends open, a both ends open, described movable component is contained in the described fixation kit versatilely, it is characterized in that: described voice coil motor comprises that further at least one is as each described shell fragment in the claim 1 to 5, the inside casing of described shell fragment and housing are fixed in an end of described movable component and fixation kit respectively, and describedly connect the end that terminal is provided with through hole or groove and be electrical connected by conducting resinl and described bearing substrate.
7. voice coil motor as claimed in claim 6 is characterized in that: described bearing substrate is provided with conductive pad, describedly connects the end that terminal is provided with through hole or groove and is electrical connected by conducting resinl and described conductive pad.
8. voice coil motor as claimed in claim 6, it is characterized in that: the number of described shell fragment is two, and described two shell fragments are located at the two ends of described fixation kit respectively, and the end that is provided with through hole or groove that connects terminal of two described shell fragments is electrical connected by conducting resinl and described bearing substrate respectively.
9. camera module, described camera module comprises at least one eyeglass and image sensor, described image sensor is used for sensing and passes the light of described eyeglass to form image, it is characterized in that: described camera module further comprises a kind of voice coil motor, described voice coil motor comprises the fixation kit of a both ends open, the movable component of a both ends open, one be positioned at as each described shell fragment in the claim 1 to 5 and one as described in the bearing basement of fixation kit one end, described movable component is contained in the described fixation kit versatilely, the inside casing of described shell fragment and housing are fixed in an end of described movable component and fixation kit respectively, and describedly connect the end that terminal is provided with through hole or groove and be electrical connected by conducting resinl and described bearing substrate, described at least one eyeglass is contained in the described movable accommodating cylinder, described image sensor is located on the bearing substrate of described voice coil motor, and is electrical connected with described bearing substrate.
10. camera module as claimed in claim 9 is characterized in that: described bearing substrate is provided with conductive pad, describedly connects the end that terminal is provided with through hole or groove and is electrical connected by conducting resinl and described conductive pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101436382A CN102214982A (en) | 2010-04-09 | 2010-04-09 | Elastic sheet, voice coil motor and camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101436382A CN102214982A (en) | 2010-04-09 | 2010-04-09 | Elastic sheet, voice coil motor and camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102214982A true CN102214982A (en) | 2011-10-12 |
Family
ID=44746147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101436382A Pending CN102214982A (en) | 2010-04-09 | 2010-04-09 | Elastic sheet, voice coil motor and camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102214982A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138522A (en) * | 2011-11-23 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor and camera module with same |
| CN103296853A (en) * | 2012-02-24 | 2013-09-11 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN103384109A (en) * | 2012-05-03 | 2013-11-06 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor and camera module with voice coil motor used |
| CN103296854B (en) * | 2012-03-01 | 2017-12-12 | 赛恩倍吉科技顾问（深圳）有限公司 | Voice coil motor |
| CN107529700A (en) * | 2017-09-04 | 2018-01-02 | 信利光电股份有限公司 | A kind of voice coil motor and camera module |
| CN112198618A (en) * | 2014-07-24 | 2021-01-08 | Lg伊诺特有限公司 | Lens moving device |
| CN112799206A (en) * | 2021-03-18 | 2021-05-14 | 新思考电机有限公司 | Prism driving device, camera device and electronic apparatus |
| CN112799207A (en) * | 2021-03-18 | 2021-05-14 | 新思考电机有限公司 | Two-section type elastic sheet, prism driving device, photographic device and electronic equipment |
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| JPH10125362A (en) * | 1996-10-21 | 1998-05-15 | Yazaki Corp | Terminal fitting |
| CN101546949A (en) * | 2008-03-24 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | Spring plate and voice coil motor actuator |
| CN101551502A (en) * | 2008-04-03 | 2009-10-07 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN101567614A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN101566714A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
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2010
- 2010-04-09 CN CN2010101436382A patent/CN102214982A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125362A (en) * | 1996-10-21 | 1998-05-15 | Yazaki Corp | Terminal fitting |
| CN101546949A (en) * | 2008-03-24 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | Spring plate and voice coil motor actuator |
| CN101551502A (en) * | 2008-04-03 | 2009-10-07 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN101567614A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN101566714A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138522A (en) * | 2011-11-23 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor and camera module with same |
| CN103296853A (en) * | 2012-02-24 | 2013-09-11 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN103296854B (en) * | 2012-03-01 | 2017-12-12 | 赛恩倍吉科技顾问（深圳）有限公司 | Voice coil motor |
| CN103384109A (en) * | 2012-05-03 | 2013-11-06 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor and camera module with voice coil motor used |
| CN112198618A (en) * | 2014-07-24 | 2021-01-08 | Lg伊诺特有限公司 | Lens moving device |
| CN112198618B (en) * | 2014-07-24 | 2023-08-22 | Lg伊诺特有限公司 | Lens moving device |
| CN107529700A (en) * | 2017-09-04 | 2018-01-02 | 信利光电股份有限公司 | A kind of voice coil motor and camera module |
| CN112799206A (en) * | 2021-03-18 | 2021-05-14 | 新思考电机有限公司 | Prism driving device, camera device and electronic apparatus |
| CN112799207A (en) * | 2021-03-18 | 2021-05-14 | 新思考电机有限公司 | Two-section type elastic sheet, prism driving device, photographic device and electronic equipment |
| CN112799207B (en) * | 2021-03-18 | 2023-09-15 | 新思考电机有限公司 | Two-section spring sheet, prism driving device, photographing device and electronic equipment |
| CN112799206B (en) * | 2021-03-18 | 2023-09-15 | 新思考电机有限公司 | Prism driving device, camera device and electronic equipment |
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Application publication date: 20111012 |