CN107193105A - Lens driving apparatus - Google Patents
Lens driving apparatus Download PDFInfo
- Publication number
- CN107193105A CN107193105A CN201710237751.9A CN201710237751A CN107193105A CN 107193105 A CN107193105 A CN 107193105A CN 201710237751 A CN201710237751 A CN 201710237751A CN 107193105 A CN107193105 A CN 107193105A
- Authority
- CN
- China
- Prior art keywords
- driving apparatus
- scaffold
- coil
- magnet steel
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The invention discloses a kind of lens driving apparatus, including：Shell with base, camera lens module, scaffold, spring leaf, magnet steel, driving coil, there are the conducting wire being electrically connected to each other and conductive welding disk by laser laser carving on stabilization coil, position sensor, base, the lens driving apparatus also includes electrically connecting the conducting wire and the conductive support of spring leaf, and then realizes external electrical connections by the conductive welding disk.Stabilization coil, conducting wire and the conductive welding disk of laser laser carving are provided with lens driving apparatus of the present invention, its base, production cost is significantly reduced, thickness in the direction of the optical axis is reduced, is easy to the batch production of product.
Description
Technical field
The present invention relates to a kind of drive device, more particularly to a kind of lens driving apparatus.
Background technology
Recently, in addition to portable camera, high property is also provided similar to the portable terminal of smart mobile phone, tablet personal computer
The lens driving apparatus of energy.The high-performance lens driving apparatus configured on portable terminal, typically with automatic focusing function
(AF：Auto focusing) and optical anti-vibration function (OIS:optical image stabilization).Optical anti-vibration work(
Can (OIS) can reduce because the hand tremor of exterior vibration or user move and caused by photo rock.
The optical anti-vibration lens driving apparatus of correlation technique, camera lens is determined by Hall sensor (hall sensor)
Position offset, and the suitable electric current of stabilization coil is supplied, to make camera lens involution in situ.There is automatic focusing function simultaneously
(AF) and optical anti-vibration function (OIS) lens driving apparatus generally include shell, it is camera lens module, spring leaf, driving coil, anti-
Tremble coil, magnet steel and position sensor, and need to set FPC wiring boards and pin etc. respectively with driving coil, stabilization coil and
Sensor is electrically connected, and circuit is complicated, and part is various, installs inconvenient, and stabilization coil occupies certain space in shell,
Limit the size of lens driving apparatus.
Therefore, it is necessary to provide a kind of new lens driving apparatus to solve the above problems.
The content of the invention
The present invention in order to solve the above technical problems, and a kind of new lens driving apparatus is provided, be provided with its base sharp
Stabilization coil, conducting wire and the conductive welding disk of light laser carving technology processing, significantly reduce production cost, reduce in optical axis
Thickness on direction.Concrete scheme is：
A kind of lens driving apparatus, it includes：
Shell, the shell includes base, connects with the base cover and form the upper lid of receiving space；
Camera lens module, the camera lens module includes that the lens barrel of camera lens can be housed；
Scaffold, the camera lens module is arranged in the scaffold；
Spring leaf, the spring leaf connects the camera lens module and the scaffold；
Conductive support, the conductive support connects the scaffold and the base, makes the scaffold edge
On the direction of the camera lens optical axis relative to fixed seat movement；
Magnet steel, the magnet steel is fixed on the scaffold；
Driving coil, the driving coil, which is arranged, to be immobilizated on the lens barrel；
Stabilization coil, conducting wire and the conductive welding disk of electrical connection are formed with the base by laser laser carving, it is described
Magnet steel is least partially overlapped along projection of the optical axis direction on base and the stabilization coil；
At least one position sensor be arranged at base position corresponding with stabilization coil and with the stabilization line
Circle electrical connection；
The conductive support electrical connection spring leaf and the conducting wire, and then outside is realized by the conductive welding disk
Electrical connection.
Preferably, the magnet steel is located in the stabilization coil region along projection of the optical axis direction on base.
Preferably, the base is formed with sensor mount away from upper lid side depression, the sensor mount with
The stabilization coil is correspondingly arranged, and the position sensor is fixed in the sensor mount.
Preferably, the spring leaf includes upper spring leaf and lower spring piece, and one end of the upper spring leaf is immobilizated in described
The upper end of lens barrel, the other end is fixed on the top of scaffold, and described lower spring piece one end is immobilizated in the lower end of the lens barrel
Portion, the other end is fixed on the bottom of scaffold, and the driving coil is electrically connected with the upper spring leaf, the conductive support
Electrically connect the conducting wire and the upper spring leaf.
Preferably, the neck for fixing the magnet steel is provided with the scaffold.
Preferably, the magnet steel is the magnetic that the multiple edges set around the driving coil are magnetized perpendicular to optical axis direction
Steel.
Preferably, the magnet steel includes fixing the main part in the neck and prolonged from the main part to neck both sides
The limiting section stretched.
Preferably, the magnet steel has four, center line Central Symmetry of four magnet steel on parallel optical axis.
Preferably, the stabilization coil has four, including a pair of first stabilization coils being oppositely arranged in the first direction
A pair of second stabilization coils being oppositely arranged in a second direction, the first direction and second direction are each perpendicular to the optical axis
Direction and first direction is perpendicular to second direction.
Preferably, the position sensor has two, is correspondingly arranged respectively with the first stabilization coil, the second stabilization coil,
It is respectively used to detect the displacement of the scaffold in the first direction and a second direction.
The present invention in order to solve the above technical problems, and a kind of new lens driving apparatus is provided, be provided with its base sharp
Stabilization coil, conducting wire and the conductive welding disk of light laser carving formation, realize lens driving apparatus and outside electrical connection, structure letter
Single, easy for installation, difficulty of processing is small, significantly reduces production cost, reduces thickness in the direction of the optical axis, is easy to product
Batch production.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of lens driving apparatus of the present invention；
Fig. 2 is the sectional view of lens driving apparatus of the present invention；
Fig. 3 is the part assembling structure schematic diagram of lens driving apparatus of the present invention；
Fig. 4 is the structural representation of another angle of lens driving apparatus of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of lens driving apparatus 100 that the present invention is provided, it includes shell 1, is contained in shell
The camera lens module that is moved along camera lens optical axis in 1, be arranged be retained on camera lens module 2 driving coil 3, for supporting the camera lens
The spring leaf of the scaffold 4 of module, the magnet steel 5 being fixed on scaffold 4 and connection scaffold 4 and camera lens module 2
6th, connection support frame 4 and the conductive support 7 of shell 1.
Wherein, shell 1 includes upper lid 11 and is connected and is formed the base 12 of receiving space with upper lid 11.Camera lens module includes
Lens barrel 2 and the eyeglass (not shown) being housed in lens barrel.Spring leaf 6 be deformation direction be along the vertical latch plate structure of plate face,
Including the multiple fixing ends fixed respectively with lens barrel 2 and scaffold 4 and the connecting portion at the end that is connected.Specifically in this implementation
In mode, shown in reference picture 3, spring leaf 6 includes upper spring leaf 61 and lower spring piece 62, and one end of upper spring leaf 61 is immobilizated in mirror
The upper end of cylinder 2, the other end is fixed on the top of scaffold 4, and the one end of lower spring piece 62 is immobilizated in the bottom of lens barrel 2, separately
The bottom of scaffold 4 is fixed in one end.Scaffold 4 is further secured on the base 12 of shell 1.Will by spring leaf 6
Camera lens module is suspended in scaffold 4, and allows camera lens module along optical axis direction up-down vibration.
The setting of conductive support 7 can cause scaffold 4 along phase on the direction perpendicular to the camera lens optical axis
Freely moved for base 12, so as to realize lens driving apparatus in the control and regulation on optical axis direction.Specifically exist
In present embodiment, conductive support 7 is the suspension with conducting function.
Further, the neck 41 for fixing the magnet steel is provided with scaffold 4, magnet steel 5 is fixed in the neck
In 41.Wherein, magnet steel 5 be around the driving coil 3 set multiple bar magnets, and magnet steel magnetizing direction be perpendicular to
The direction of optical axis.Magnet steel 5 includes fixing the limit that main part 51 and main body 51 in neck 41 extend to the both sides of neck 41
Position portion 52, main part 51 is fixed in neck 41, limiting section 52 and the edge mate of neck 41 so that magnet steel is fixed on supporting frame
On frame 4.Specifically in the present embodiment, magnet steel 5 has four, and four magnet steel are around driving coil 3 and on parallel optical axis
Center line Central Symmetry.It is corresponding, four necks 41 are provided with scaffold 4.Four magnet steel 5 form uniform magnetic field,
Driving coil 3 stress and drives camera lens module along optical axis direction up-down vibration in galvanization in magnetic field, to realize camera lens
The automatic focusing function (AF) of drive device.
Stabilization coil 8 is machined with by laser laser carving technology (LDS) on base 12, a pair of stabilization coil 8 and magnet steel 5 one
It should set, it is preferred that stabilization coil 8 is located in the region for the projection that magnet steel 5 is formed along optical axis direction on base 12.I.e. at this
In embodiment, stabilization coil 8 has four, including edge is perpendicular to the first direction X of optical axis a pair of first stabilization coils 81
With a pair of second stabilization coils 82 along the second direction Y perpendicular to optical axis.Stabilization coil 8 is by laser laser carving technology
(LDS) that processes is integrally formed with base 12.So, stabilization coil is not take up the thickness of lens driving apparatus in the direction of the optical axis
Degree so that lens driving apparatus can do thin, be easy to the miniaturization of product, meanwhile, using LDS processing methods, also allow for batch
Processing.
Position sensor 9 is additionally provided with base 12, position sensor 9 is oppositely arranged with stabilization coil 8, and with stabilization line
Circle 8 is electrically connected.Shown in reference picture 4, base 12 is provided with the sensor peace of depression on the side surface away from stabilization coil 8
Dress portion 122.Wherein, sensor mount 122 is located at the both sides of the same position of base 12 with stabilization coil 8 so that position sensing
Device 9 is easy to sense the shake of camera lens module, realizes optical anti-vibration function at the position corresponding to the center of stabilization coil 8
(OIS).Position sensor 9 can think with stabilization coil 8 one-to-one four, can also only set two, such as this implementation
In mode, two position sensors 9 are correspondingly arranged with the first stabilization coil 81 and the second stabilization coil 82 respectively, as long as can be real
Now the X perpendicular to optical axis direction, to the perception with Y-direction displacement, is to implement.
As shown in Figures 3 and 4, conducting wire and conductive welding disk are machined with by laser laser carving technology (LDS) on base 12
123, conductive support 7 electrically connects the conductive welding disk 123 and upper spring leaf 61.Driving coil 3 is by upper spring leaf 61 with leading
Electric support member 7 is electrically connected, so as to be electrically connected with conductive welding disk 123, and then realizes the electrical connection with external circuit.So, it is to avoid
Need that the part such as wiring board and conductive base pin is installed in the prior art, reduce number of components, realize more preferable effect simultaneously
And significantly reduce cost.
The present invention provides the stabilization line that the processing of laser laser carving technology is provided with a kind of new lens driving apparatus, its base
Circle, conducting wire and conductive welding disk, realize the electrical connection of lens driving apparatus and external circuit, simple in construction, easy for installation, plus
Work difficulty is small, significantly reduces production cost, reduces thickness in the direction of the optical axis, is easy to the batch production of product.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is, example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of lens driving apparatus, it is characterised in that it includes：
Shell, the shell includes base, connects with the base cover and form the upper lid of receiving space；
Camera lens module, the camera lens module includes that the lens barrel of camera lens can be housed；
Scaffold, the camera lens module is arranged in the scaffold；
Spring leaf, the spring leaf connects the camera lens module and the scaffold；
Conductive support, the conductive support connects the scaffold and the base, makes the scaffold along hanging down
It is straight in being moved on the direction of the camera lens optical axis relative to the fixed seat；
Magnet steel, the magnet steel is fixed on the scaffold；
Driving coil, the driving coil, which is arranged, to be immobilizated on the lens barrel；
Stabilization coil, conducting wire and the conductive welding disk of electrical connection, the magnet steel are formed with the base by laser laser carving
It is least partially overlapped along projection of the optical axis direction on base and the stabilization coil；
At least one position sensor is arranged at base position corresponding with stabilization coil and electric with the stabilization coil
Connection；
The conductive support electrical connection spring leaf and the conducting wire, and then external electric is realized by the conductive welding disk
Connect.
2. lens driving apparatus according to claim 1, it is characterised in that the magnet steel is along optical axis direction on base
Projection is located in the stabilization coil region.
3. lens driving apparatus according to claim 2, it is characterised in that the base is recessed to be formed away from upper lid side
There is sensor mount, the sensor mount is correspondingly arranged with the stabilization coil, and the position sensor is fixed on institute
State in sensor mount.
4. lens driving apparatus according to claim 3, it is characterised in that the spring leaf includes upper spring leaf and lower bullet
Reed, one end of the upper spring leaf is immobilizated in the upper end of the lens barrel, and the other end is fixed on the top of scaffold, described
Lower spring piece one end is immobilizated in the bottom of the lens barrel, and the other end is fixed on the bottom of scaffold, the driving coil with
The upper spring leaf electrical connection, the conductive support electrically connects the conducting wire and the upper spring leaf.
5. lens driving apparatus according to claim 4, it is characterised in that be provided with the scaffold for fixing
The neck of the magnet steel.
6. lens driving apparatus according to claim 5, it is characterised in that the magnet steel is to be set around the driving coil
The magnet steel that the multiple edges put are magnetized perpendicular to optical axis direction.
7. lens driving apparatus according to claim 6, it is characterised in that the magnet steel includes fixing in the neck
Main part and limiting section from the main part to neck both sides that extend from.
8. lens driving apparatus according to claim 7, it is characterised in that the magnet steel has four, four magnetic
Center line Central Symmetry of the steel on parallel optical axis.
9. lens driving apparatus according to claim 8, it is characterised in that the stabilization coil has four, including edge
First direction a pair of first stabilization coils being oppositely arranged and a pair of second stabilization coils being oppositely arranged in a second direction, it is described
First direction and second direction are each perpendicular to the optical axis direction and first direction is perpendicular to second direction.
10. lens driving apparatus according to claim 9, it is characterised in that the position sensor has two, respectively with
First stabilization coil, the second stabilization coil are correspondingly arranged, and are respectively used to detect the scaffold in a first direction and second party
Upward displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237751.9A CN107193105A (en) | 2017-04-12 | 2017-04-12 | Lens driving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237751.9A CN107193105A (en) | 2017-04-12 | 2017-04-12 | Lens driving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107193105A true CN107193105A (en) | 2017-09-22 |
Family
ID=59871691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710237751.9A Pending CN107193105A (en) | 2017-04-12 | 2017-04-12 | Lens driving apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107193105A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873230A (en) * | 2018-08-22 | 2018-11-23 | 惠州大亚湾三美达光学技术有限公司 | Slim lens motor |
| CN110213468A (en) * | 2019-05-31 | 2019-09-06 | 上海比路电子股份有限公司 | Anti-shaking structure, stabilization system and photographic device |
| CN110471158A (en) * | 2018-05-11 | 2019-11-19 | 台湾东电化股份有限公司 | Optical element driving mechanism |
| CN111061029A (en) * | 2019-12-30 | 2020-04-24 | 瑞声通讯科技(常州)有限公司 | Lens driving device |
| WO2021000122A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Electromagnetic actuator |
| WO2021134332A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Lens driving device |
| WO2022088343A1 (en) * | 2020-10-31 | 2022-05-05 | 诚瑞光学(深圳)有限公司 | Lens driving apparatus |
| WO2022116357A1 (en) * | 2020-12-01 | 2022-06-09 | 诚瑞光学(深圳)有限公司 | Lens drive device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205080347U (en) * | 2015-10-20 | 2016-03-09 | 南昌欧菲光电技术有限公司 | Camera module |
| CN105607384A (en) * | 2016-03-24 | 2016-05-25 | 上海安费诺永亿通讯电子有限公司 | Camera module structure |
-
2017
- 2017-04-12 CN CN201710237751.9A patent/CN107193105A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205080347U (en) * | 2015-10-20 | 2016-03-09 | 南昌欧菲光电技术有限公司 | Camera module |
| CN105607384A (en) * | 2016-03-24 | 2016-05-25 | 上海安费诺永亿通讯电子有限公司 | Camera module structure |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110471158A (en) * | 2018-05-11 | 2019-11-19 | 台湾东电化股份有限公司 | Optical element driving mechanism |
| CN110471158B (en) * | 2018-05-11 | 2023-07-25 | 台湾东电化股份有限公司 | Optical element driving mechanism |
| CN108873230A (en) * | 2018-08-22 | 2018-11-23 | 惠州大亚湾三美达光学技术有限公司 | Slim lens motor |
| CN108873230B (en) * | 2018-08-22 | 2024-01-05 | 惠州萨至德光电科技有限公司 | Thin lens motor |
| CN110213468A (en) * | 2019-05-31 | 2019-09-06 | 上海比路电子股份有限公司 | Anti-shaking structure, stabilization system and photographic device |
| WO2021000122A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Electromagnetic actuator |
| CN111061029A (en) * | 2019-12-30 | 2020-04-24 | 瑞声通讯科技(常州)有限公司 | Lens driving device |
| WO2021134332A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Lens driving device |
| WO2022088343A1 (en) * | 2020-10-31 | 2022-05-05 | 诚瑞光学(深圳)有限公司 | Lens driving apparatus |
| WO2022116357A1 (en) * | 2020-12-01 | 2022-06-09 | 诚瑞光学(深圳)有限公司 | Lens drive device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200424 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Applicant after: Raytheon solutions Pte Ltd Address before: Singapore Ang Mo Kio 10 Road 65 Applicant before: Raytheon Technology (Singapore) Co., Ltd |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |