CN102819087A - Lens drive device, automatic focusing camera and mobile terminal with camera - Google Patents
Lens drive device, automatic focusing camera and mobile terminal with camera Download PDFInfo
- Publication number
- CN102819087A CN102819087A CN2012101895255A CN201210189525A CN102819087A CN 102819087 A CN102819087 A CN 102819087A CN 2012101895255 A CN2012101895255 A CN 2012101895255A CN 201210189525 A CN201210189525 A CN 201210189525A CN 102819087 A CN102819087 A CN 102819087A
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- China
- Prior art keywords
- lens
- spring
- base
- sidepiece
- collar extension
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- Lens Barrels (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Abstract
The present invention discloses a lens drive device capable of preventing foreign matter from intruding, an automatic focusing camera and a mobile terminal with a camera. The invention includes: a lens support body for supporting the lens; a coil disposed on the periphery of the lens supporting body; an annular ring opening which can arrange the lens supporting body in a mobile way on the inner circumference side; a magnet fixed on the ring opening and arranged opposite to the coil; a spring electrically connected with the coil and at the same time for maintaining the lens supporting body to move freely; and a base disposed on one side of the ring opening at the optical axis direction and for holding a back side spring. A protruding wall which is opposite to the inner circumference side of the periphery side wall of the ring opening is formed on the base.
Description
Technical field
The present invention is the portable terminal of associated lens drive unit, auto-focus camera and subsidiary camera.Called mobile terminal is meant mobile phone, carry information terminal (PDA), notebook computer etc.
Background technology
In the patent document 1 (TOHKEMY 2010-190923 communique), disclosed a kind of lens driver, begun to have base as side from the moving body of lens; The shell that covers moving body is fixed on this base; After getting involved lens, be formed with through imaging apparatus and incident light worked the peristome that used by light; Towards the picture side, form by the dust storage that falls in and use recess around this peristome.According to the technology of this patent document 1, with recess dust is caught and keep through dust storage, be adsorbed on the imaging apparatus through base openings portion so can prevent dust.
In the patent document 2 (TOHKEMY 2009-251517 communique), disclose a kind of lens driver, kept the lens mount and the lens mount of lens to be contained in inside.Be fixed on the side of the resettlement section on the base, be formed with the projection that is surrounded to the entire circumference of the opening at major general's one of which place.According to the technology of this patent document 2, prevented that foreign matter can be from invading this situation of lens driver between lens mount and the resettlement section.
In patent document 3 (TOHKEMY 2009-139942 communique), disclosed a kind of lens driver, have: the moving body that keeps lens; Support the supporter of its moving body; Moving body is configured in the inboard, is fixed on the collar extension on the supporter.On supporter, be formed with make through lens, injected the peristome the imaging apparatus from taking the photograph the reflected light that body comes.At the periphery of this peristome, be formed with the outstanding protuberance that moves the side.According to the technology of this patent document 3, when making assembling, the slip powder of generation can drop on supporter, thereby having prevented that this slip powder from falling from the peristome that is sheltered from by protuberance is adsorbed on the imaging apparatus.
But the foreign matter of the inside of lens driver is sometimes from invading towards the collar extension of the outside of lens cover drive unit and the part that base combines.
But; In the technology of patent document 1,2 and 3; Even if can prevent to invade the inner foreign matter of lens driver is adsorbed on the imaging apparatus; But do not block allotrylic formation because do not have on outside collar extension of lens driver and the base, can invade to inside from the lens driver outside so just can not prevent foreign matter.
Summary of the invention
Therefore, the purpose of stating after is for a kind of portable terminal that can prevent lens driver, auto-focus camera and subsidiary camera that foreign matter is invaded to inside from the outside is provided.
For realizing that the 1st of said purpose is invented is to have: the lens supports body of interior Zhou Shangwei support of lens; Be arranged on the coil of lens supports on external week; The ring-type collar extension that can the lens supports body disposed with moving freely in interior all sides; The magnetite that is fixed on the collar extension and is disposing with the coil subtend; The spring that electric property is connected on the coil, simultaneously the lens supports body is kept with moving freely; Be configured in collar extension optical axis direction one side, maintain the base of spring.A kind of lens driver is characterized by, and according to the electromagnetic force effect that spring is produced behind coil electricity, the lens supports body moves forward and backward along the lens axis direction.On base, the inner peripheral surface that on the position that inner peripheral surface disposed of the outer peripheral sidewall of collar extension, is formed with periphery wall therewith relatively to outstanding wall.
The further characteristics of the 1st invention are that the periphery of base is looked its plane sideways before the optical axis direction and is square shape.Spring is the leaf spring of ring-type, has interior all sidepieces of being fixed on the lens supports body, is fixed on periphery sidepiece on the base, connects the wrist of the elastically deformable of all sidepieces and periphery sidepiece in each.The periphery sidepiece has from an adjacent bight of base and extends to another bight, has and be disposed at the inboard long leg of outstanding wall.
The further characteristics of the 1st invention are on base, to be formed with the fitting portion with the end tabling of spring.
The further characteristics of the 1st invention do, the periphery sidepiece of spring also has distolateral at long leg, extend to long leg mutually orthogonal directions, than the short short leg of long leg; Distolateral at another of long leg, extend to and the long leg limit portion that continues of orthogonal directions mutually.
The further characteristics of the 1st invention do, spring is made up of the side's sidepiece and the opposing party's sidepiece that separate, and the limit portion that continues of side's sidepiece and the opposing party's sidepiece is disposed on the position that adjoins each other.
The 2nd invention has aforesaid lens driver for auto-focus camera.
The 3rd invention is equipped with aforesaid auto-focus camera for the portable terminal of subsidiary camera.
According to the 1st invention, on base, form by with the outstanding wall of the inner peripheral surface subtend of collar extension outer peripheral sidewall, so in case collar extension is fixed on the base, outstanding wall just in the inner peripheral surface of collar extension relatively to.In view of the above, the foreign matter of the outside of lens driver is hindered by outstanding wall even if the part that combines from base in collar extension gets into and to block, and invades to inside from the outside of lens driver so can prevent foreign matter.
According to the further characteristics of the 1st invention, because the long leg of spring is disposed at the inboard of teat, so the long leg of spring can project to the outside from the gap of base and collar extension, so can prevent to contact with other parts and cause short circuit.
According to the further characteristics of the 1st invention,,, can prevent to contact with other parts and cause short circuit so the end of spring can be given prominence to the outside from the gap of base and collar extension because on base, formed the fitting portion with the spring end tabling.
Said portable terminal is meant mobile phone, carry information terminal (PDA), notebook computer etc.
Description of drawings
The part oblique view of lens driver in [Fig. 1] relevant example.
[Fig. 2] the example lens driver part top view of being correlated with.
[Fig. 3] B-B sectional view shown in Figure 2
[Fig. 4] C-C sectional view shown in Figure 2
The lens driver exploded perspective view of [Fig. 5] relevant example.
[Fig. 6] A-A schematic cross-section shown in Figure 7.
Lens driver summary outward appearance oblique view in [Fig. 7] example.
Main description of reference numerals
1 lens driver
3 collar extensions
The 3a outer peripheral sidewall
5 lens supports bodies
8 bases
8c gives prominence to wall
11 rear side springs
13 magnetites
19 coils
Embodiment
Below, with reference to Fig. 1～Fig. 7 of accompanying drawing, example of the present invention is specified.Lens driver 1 in relevant this example is the lens driver that is assembled in the auto-focus camera in the mobile phone.
This lens driver 1, as shown in Figure 5, have collar extension 3, the lens supports body 5 of ring-type, the front side spring 9 that is configured in the optical axis direction front side of collar extension 3, the framework 7 that is configured in front side spring 9 front sides, the base 8 that is configured in collar extension 3 rear sides and rear side spring 11.Be configured in the rear side pad 15 between rear side spring 11 and the collar extension 3.
On each bight 14 of collar extension 3, magnetite 13 is fixed on the inner peripheral surface of outer peripheral sidewall 3a.Magnetite 13 is arranged on the bight 4, not in being formed on the correspondence position of the excision portion 12 of all sidewall 3b.
The slightly cylindrical shape of lens supports body 5 does not have lens mounting (not having diagram) within it on the perimembranous, be arranged to and can move freely along optical axis direction in interior all sides of collar extension 3.The coil 19 of ring-type is fixed on the periphery of lens supports body 5.
As shown in Figure 6, coil 19 is disposed between the outer peripheral sidewall 3a and interior all sidewall 3b of collar extension 3, on certain bight 14 between magnetite 13 and interior all sidewall 3b, be displaced in the collar extension 3 with fore-and-aft direction together with lens supports body 5.
As shown in Figure 5, front side spring 9 is the ring-type leaf spring.All sidepiece 9a and periphery sidepiece 9b in being provided with.In all sidepiece 9a be fixed on the lens supports body 5.Outer circumferential side 9b is clamped and fastened between collar extension 3 and the framework 7.In all side 9a be connected according to the wrist 9c of elastically deformable with outer circumferential side 9b.
The periphery of base 8 is looked its plane before the optical axis direction sideways and is quadrangle, is the insulative resin materials with through hole in central authorities.In the periphery of base 8, on each bight, the upright foot's 7a tabling that is provided with 8a of foot and framework 7 is fixed.On the outer peripheral face of the square shape of base 8, on the one of which side, 2 terminals 33,35 are formed the fitting portion 8b by the end tabling of rear side spring 11 by disposed adjacent.
As shown in Figure 3, on fitting portion 8b, the 80b of ditch portion of the end tabling of formation and rear side spring 11.The end of rear side spring 11 is advanced on the 80b of ditch portion by chimeric, begins to be configured into successively rear side pad 15, collar extension 3 from the front side.
As shown in Figure 5, on base 8, form by with the summary whole peripheral surface of the inner peripheral surface of the outer peripheral sidewall 3a of collar extension 3 relatively to outstanding wall 8c.
It is the leaf spring of a ring-type to rear side spring 11 as a whole.In this example, it is to be made up of a sidepiece about separating into 20 and 22 of another sidepieces.The rear side pad 15 with insulator of each periphery sidepiece 11b of rear side spring 11 is held between base 8 and the collar extension 3 together.Rear side pad 15 is to playing electric property insulating effect between rear side spring 11 and the collar extension 3.All sidepiece 11a are fixed on the lens supports body 5 in each.All sidepiece 11a and periphery sidepiece 11b are that wrist 11c by elastically deformable is connected in each of rear side spring 11.
Like Fig. 1 and shown in Figure 2, each periphery sidepiece 11b has: the long leg 110b that extends to another bight from an adjacent bight of base 8; One distolateral at long leg 110b, extend to long leg 110b mutually orthogonal directions, than the shorter short leg 111b of long leg 110b; Distolateral at another of long leg 110b, extend to the 112b of the limit portion that continues of orthogonal directions mutually with long leg 110b.The 112b of the limit portion that continues of one side's sidepiece 20 and the opposing party's sidepiece 22 is disposed on the position that adjoins each other.Metal terminal 33,35 (with reference to figure 5) is connected respectively on the 112b of limit portion that respectively continues.
As shown in Figure 4, long leg 110b is configured in the inboard of the outstanding wall 8c of base 8.With rear side pad 15, be clamped between base 8 and the collar extension 3.
As shown in Figure 2, the short leg 111b and the 112b of limit portion that continues are configured in the outside of outstanding wall 8c.In addition, as shown in Figure 3, the 112b of limit portion that continues is entrenched among the fitting portion 8b of base 8, is clamped between base 8 and the collar extension 3 with rear side pad 15.
In addition, a sidepiece 20 of rear side spring 11 is connected an end of coil 19, and another sidepiece 22 of rear side spring 11 is connected another end (not having diagram) of coil 19.
Next, assembling, effect and the effect of the lens driver 1 of relevant example describe.
The assembling of lens driver 1 at first is that rear side spring 11 is fixedly advanced in the base 8 of resin forming.
In detail; Like Fig. 1 and shown in Figure 2; The long leg 110b of each periphery sidepiece 11b of rear side spring 11 is configured in the inboard of outstanding wall 8c of base 8; Short leg 11b and the 112b of limit portion that continues are configured in the outside of outstanding wall 8c, in the chimeric fitting portion 8b that advances base 8 in the end of the 112b of limit portion that continues.
Next, metal terminal 33,35 is connected on the 112b of the limit portion that respectively continues of rear side spring 11; Fixed the base 8 of the periphery sidepiece 11b of rear side spring 11; As shown in Figure 5, rear side pad 15, coil 19 are fixed in the lens supports body 5 of outer peripheral face; The fixing collar extension 3 of magnetite 13 on interior all sides; Front side spring 9 and framework 7; Assemble these fixing successively.
Then; With an end of coil 19 through then material or be solder-connected on interior all sidepiece 11a of a sidepiece 20 that constitutes rear side spring 11, with another end of coil 19 through then material or be solder-connected on interior all sidepiece 11a of another sidepiece 22 that constitutes rear side spring 11.
The lens driver 1 of this example be equipped in the mobile phone, metal terminal 33 and metal terminal 35 be as power supply terminal, its rear end analogy is connected by soldering or the like on the power supply terminal (not having diagram) of circuit substrate (not having diagram).
Lens driver 1 is when driving, and it is through carrying out the DC current circulation from the power supply terminal 33 that is connected substrate to another sidepiece 22 of a sidepiece 20 of rear side spring 11, coil 19, rear side spring 11, the metal terminal 35 that is connected on the power supply terminal of circuit substrate.At this moment, base 8 is an insulating material.Because metal terminal 33 and metal terminal 35 configured separate, so after getting involved base 8 between metal terminal 33 and the metal terminal 35, no current leaks.
Like this, in case to coil 19 energising,, resist the precompression of spring 9 and rear side spring 11 that the lens supports body is moved mutually in the front side through acting on the electromagnetic force of coil 19, and the power of front side spring 9, rear side spring 11 between move when reaching equilibrium locations and stop.
According to example of the present invention because on base 8, form by with the inner peripheral surface of the outer peripheral sidewall 3a of collar extension 3 relatively to outstanding wall 8c, so in case on base 8 fixedly collar extension 3, then the inner peripheral surface of giving prominence to wall 8c and collar extension 3 relatively to.In view of the above, even if the foreign matter of the outside of lens driver gets into the part that base 8 combines with collar extension 3, because the effect of outstanding wall 8c can shelter from.So, can prevent that foreign matter from can invade to inside from the outside of lens driver 1.
The long leg 110b of rear side spring 11 is configured in the inboard of outstanding wall 8c, so the long leg 110b of rear side spring 11 projects to the outside from the gap between base 8 and the collar extension 3, can prevent to cause short circuit because of touching other parts.
On base 8, formed the fitting portion 8b of the 112b of the limit portion tabling that continues of a sidepiece 20 and another sidepiece 22 of rear side spring 11; So project to the outside the limit portion that the continues gap of 112b between base 8 and rear side pad 15 of rear side spring 11, can prevent to contact other parts and cause short circuit.
The invention is not restricted to above-mentioned example, only otherwise break away from purport scope of the present invention can do all distortion maybe.Such as, in above-mentioned example, rear side spring 11 only is configured in long leg 110b the inboard of the outstanding wall 8c of base 8, is not limited thereto, and the short leg 111b and the 112b of limit portion that continues also can be configured in the inboard of outstanding wall 8c.
In addition, in above-mentioned example, the 112b of the limit portion that continues an of sidepiece 20 and the other side 22 disposes the adjacent position mutually.Be not limited thereto, also can be arranged on the position that is separated from each other, perhaps be on the base 8 of polygon of Different Plane, be arranged to different edge, on different positions, also can form fitting portion 8b in periphery.
Further, the outer peripheral sidewall 3a of collar extension 3 if form with the side face of inner circumferential surface relatively to outstanding wall 8c.The plane is that toroidal is also passable, and bight 14 is not a chamfer shape, for example can be circular shape.
Claims (7)
1. lens driver has
The lens supports body of interior Zhou Shangwei support of lens;
Be arranged on the coil of lens supports on external week;
The ring-type collar extension that can the lens supports body disposed with moving freely in interior all sides;
The magnetite that is fixed on the collar extension and is disposing with the coil subtend;
The spring that electric property is connected on the coil, simultaneously the lens supports body is kept with moving freely; And
Be configured in collar extension optical axis direction one side, maintain the base of spring;
Wherein, according to the electromagnetic force effect that spring is produced behind coil electricity, the lens supports body moves forward and backward along the lens axis direction;
It is characterized in that,
On base, be formed with the inner peripheral surface of the outer peripheral sidewall of collar extension relatively to outstanding wall.
2. lens driver as claimed in claim 1; It is characterized in that; The periphery of base is looked its plane sideways before the optical axis direction and is square shape; Spring is the leaf spring of ring-type, has interior all sidepieces of being fixed on the lens supports body, is fixed on periphery sidepiece on the base, connects the wrist of the elastically deformable of all sidepieces and periphery sidepiece in each, and the periphery sidepiece has from an adjacent bight of base and extends to another bight, is disposed at the inboard long leg of outstanding wall.
3. lens driver as claimed in claim 1 is characterized in that, on base, is formed with the fitting portion with the end tabling of spring.
4. lens driver as claimed in claim 3 is characterized in that, the periphery sidepiece of spring also has distolateral at long leg, extend to long leg mutually orthogonal directions, than the short short leg of long leg; Distolateral at another of long leg, extend to and the long leg limit portion that continues of orthogonal directions mutually.
5. lens driver as claimed in claim 4 is characterized in that, spring is made up of the side's sidepiece and the opposing party's sidepiece that separate, and the limit portion that continues of side's sidepiece and the opposing party's sidepiece is disposed on the position that adjoins each other.
6. auto-focus camera is characterized in that, has the lens driver of each record of claim 1 to claim 5.
7. the portable terminal of subsidiary camera is characterized in that being equipped with the auto-focus camera that claim 6 is put down in writing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-130021 | 2011-06-10 | ||
| JP2011130021A JP2012255972A (en) | 2011-06-10 | 2011-06-10 | Lens drive device, autofocus camera, and mobile terminal with camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102819087A true CN102819087A (en) | 2012-12-12 |
| CN102819087B CN102819087B (en) | 2015-01-28 |
Family
ID=47303301
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220271811 Expired - Lifetime CN202615021U (en) | 2011-06-10 | 2012-06-08 | Lens driving device, automatic focusing camera and mobile terminal with camera |
| CN201210189525.5A Active CN102819087B (en) | 2011-06-10 | 2012-06-08 | Lens drive device, automatic focusing camera and mobile terminal with camera |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220271811 Expired - Lifetime CN202615021U (en) | 2011-06-10 | 2012-06-08 | Lens driving device, automatic focusing camera and mobile terminal with camera |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012255972A (en) |
| CN (2) | CN202615021U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411188A (en) * | 2010-09-21 | 2012-04-11 | 思考电机（上海）有限公司 | Lens Driving Device, Camera Capable Of Automatically Focusing And Mobile Terminal Having Photo Taking Function |
| CN104407426A (en) * | 2014-09-29 | 2015-03-11 | 河南省皓泽电子有限公司 | Lens driving device for simple voice coil motor |
| CN108072960A (en) * | 2016-11-14 | 2018-05-25 | 台湾东电化股份有限公司 | Optical drive mechanism |
| TWI675230B (en) * | 2014-08-06 | 2019-10-21 | 日商三美電機股份有限公司 | Lens holder driving device and camera-equipped mobile terminal |
| CN114755787A (en) * | 2020-12-25 | 2022-07-15 | 新思考电机有限公司 | Driving device, camera device and electronic equipment |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012255972A (en) * | 2011-06-10 | 2012-12-27 | Shicoh Engineering Co Ltd | Lens drive device, autofocus camera, and mobile terminal with camera |
| TWI468769B (en) * | 2013-12-11 | 2015-01-11 | Tdk Taiwan Corp | An apparatus having a spring plate connecting with 3d circuit terminals |
| KR102542645B1 (en) * | 2015-08-18 | 2023-06-14 | 엘지이노텍 주식회사 | Lens driving device, camera module and optical apparatus |
| JP6605255B2 (en) * | 2015-08-20 | 2019-11-13 | 日本電産コパル株式会社 | Lens unit, camera, electronic device, lens unit assembling method, camera manufacturing method, and electronic device manufacturing method |
| CN109302041B (en) * | 2018-11-02 | 2024-03-22 | 辽宁中蓝光电科技有限公司 | Mutually embedded anti-interference high-thrust voice coil motor |
| CN117991567B (en) * | 2024-04-07 | 2024-06-04 | 新思考电机有限公司 | Lens driving mechanism and camera module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411188A (en) * | 2010-09-21 | 2012-04-11 | 思考电机（上海）有限公司 | Lens Driving Device, Camera Capable Of Automatically Focusing And Mobile Terminal Having Photo Taking Function |
| CN102411188B (en) * | 2010-09-21 | 2014-05-07 | 思考电机（上海）有限公司 | Lens Driving Device, Camera Capable Of Automatically Focusing And Mobile Terminal Having Photo Taking Function |
| TWI675230B (en) * | 2014-08-06 | 2019-10-21 | 日商三美電機股份有限公司 | Lens holder driving device and camera-equipped mobile terminal |
| CN104407426A (en) * | 2014-09-29 | 2015-03-11 | 河南省皓泽电子有限公司 | Lens driving device for simple voice coil motor |
| CN104407426B (en) * | 2014-09-29 | 2016-06-01 | 河南省皓泽电子有限公司 | The lens driver of a kind of simple and easy voice coil loudspeaker voice coil motor |
| CN108072960A (en) * | 2016-11-14 | 2018-05-25 | 台湾东电化股份有限公司 | Optical drive mechanism |
| CN114755787A (en) * | 2020-12-25 | 2022-07-15 | 新思考电机有限公司 | Driving device, camera device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202615021U (en) | 2012-12-19 |
| CN102819087B (en) | 2015-01-28 |
| JP2012255972A (en) | 2012-12-27 |
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