CN109491039A - Lens driving apparatus, camera and mobile device - Google Patents
Lens driving apparatus, camera and mobile device Download PDFInfo
- Publication number
- CN109491039A CN109491039A CN201811340023.1A CN201811340023A CN109491039A CN 109491039 A CN109491039 A CN 109491039A CN 201811340023 A CN201811340023 A CN 201811340023A CN 109491039 A CN109491039 A CN 109491039A
- Authority
- CN
- China
- Prior art keywords
- elastic slice
- driving apparatus
- camera lens
- support tube
- lens driving
- 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
-
- 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
Abstract
Present disclose provides a kind of lens driving apparatus, comprising: camera lens support tube, camera lens support tube are used to support camera lens；Pedestal；And upper elastic slice and lower elastic slice, upper elastic slice is located at the upside of camera lens support tube, lower elastic slice is located between the downside and pedestal of camera lens support tube, wherein, pedestal is equipped with upper elastic slice support column and lower elastic slice support column, upper elastic slice support column is engaged with upper elastic slice, and lower elastic slice support column is engaged with lower elastic slice, to be concentrically disposed with upper elastic slice and lower elastic slice.The disclosure additionally provides a kind of camera and mobile device.
Description
Technical field
This disclosure relates to a kind of lens driving apparatus, camera and mobile device.
Background technique
With the development of society and the technology of technology, the mobile communication equipment, palm PC, laptop of camera are carried
Etc. obtained it is quick development and be widely applied.
In general, elastic slice is respectively set in the upper and lower in camera lens support tube, support force and restoring force are provided for camera lens support tube,
Camera lens support tube is moved axially in reciprocal fashion.But there is the problems such as elastic slice alignment in the prior art, such as will be upper
Elastic slice is fixed to shell, and lower elastic slice is fixed to pedestal, may be such that camera lens run-off the straight in the process of moving in this way
The problems such as, and for compact miniature camera module there is also how to be powered, to prevent abnormal phenomenon etc..
Summary of the invention
In order to solve the above-mentioned technical problem at least one of, present disclose provides a kind of lens driving apparatus, camera and
Mobile device.
According to one aspect of the disclosure, a kind of lens driving apparatus, comprising: camera lens support tube, the camera lens support tube
It is used to support camera lens；Pedestal；And upper elastic slice and lower elastic slice, the upper elastic slice is located at the upside of the camera lens support tube, described
Lower elastic slice is located between the downside and the pedestal of the camera lens support tube, wherein the pedestal be equipped with upper elastic slice support column and
Lower elastic slice support column, the upper elastic slice support column are engaged with the upper elastic slice, and the lower elastic slice support column connects with the lower elastic slice
It closes, to be concentrically disposed with the upper elastic slice and the lower elastic slice.
According at least one embodiment of the disclosure, the upper elastic slice includes elastic slice, institute on elastic slice and second on first
Elastic slice electrically insulated from one another on elastic slice and second is stated on first, and elastic slice respectively includes one on elastic slice and second on described first
Output pin, the lens driving apparatus further include coil unit, are coil unit power supply by output pin.
According at least one embodiment of the disclosure, the lens driving apparatus further includes FPC driving circuit, and described
Elastic slice respectively further comprises input pin on elastic slice and second on one；The pin and the input pin of the FPC driving circuit connect
It connects, by elastic slice and the output pin on elastic slice and second on input pin, described first, passes through the FPC driving circuit
For coil unit power supply.
According at least one embodiment of the disclosure, the quantity of the upper elastic slice support column is four, four upper elastic slices
Support column is separately positioned on the four corners of the pedestal；And the upper elastic slice is set there are four upper elastic slice location hole, described four
A upper elastic slice location hole is connect with described four upper elastic slice support columns respectively.
According at least one embodiment of the disclosure, the quantity of the lower elastic slice support column is four, four lower elastic slices
Support column be separately positioned on the four corners of the pedestal with the lower corresponding position of elastic slice support column and the pedestal more
At the position of inside；And
The lower elastic slice is set there are four lower elastic slice location hole, four lower elastic slice location holes respectively with four lower bullets
The connection of piece support column.
According at least one embodiment of the disclosure, the lens driving apparatus further includes Hall sensor and position inspection
Survey permanent magnet；The Hall sensor is pasted on the FPC driving circuit, and the position detection is fixed to institute with permanent magnet
State the outside of camera lens support tube, so as to when the camera lens support tube is mobile, by the position detection permanent magnet with it is described
Hall sensor monitors the displacement of the camera lens support tube.
According at least one embodiment of the disclosure, the lens driving apparatus further includes two permanent magnets, the line
The peripheral side of the camera lens support tube is arranged in coil unit, and described two permanent magnets are separately positioned on opposite two of the pedestal
A lateral position；
It is coil unit power supply by the FPC driving circuit, and passes through the coil unit and two permanent magnetism
The interaction of body comes so that camera lens support tube is mobile.
According at least one embodiment of the disclosure, the FPC driving circuit and the output pin are respectively provided to
Side of base except the side of described two permanent magnet settings.
According to another aspect of the present disclosure, a kind of camera, including above-mentioned lens driving apparatus；And camera lens, the mirror
Head is arranged into the camera lens support tube of the lens driving apparatus.
According to another aspect of the present disclosure, a kind of mobile device, including above-mentioned camera.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the exploded view according to the lens driving apparatus of one embodiment of the disclosure.
Fig. 2 is the exploded view according to the lens driving apparatus of one embodiment of the disclosure.
Fig. 3 is the schematic diagram according to the FPC driving circuit of one embodiment of the disclosure.
Fig. 4 is the assembling figure according to the lens driving apparatus of one embodiment of the disclosure.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.Those skilled in the art should
Understand, all parts that describe with reference to the accompanying drawings it is not necessary to, those skilled in the art makes according to the actual situation
With therein multiple.
Fig. 1 and 2 shows the exploded view of the lens driving apparatus according to one embodiment of the disclosure.As shown, mirror
Head driving apparatus 1 may include shell 1, upper elastic slice 2, camera lens support tube 3, coil unit 4, permanent magnet 5, lower elastic slice 6 and pedestal
7。
The outside of upper elastic slice 2, camera lens support tube 3, coil unit 4, permanent magnet 5 and lower elastic slice 6 is arranged in shell 1, and
It is fixedly supported on pedestal 7, forms the protection to lens driving apparatus internal components.
Upper elastic slice 2 is arranged between shell 1 and camera lens support tube 3, and the upper bullet in following pedestals can be set in upper elastic slice 2
On piece positioning column, then it is fixed to by dispensing mode on the upper surface of camera lens support tube 3.As shown in Fig. 2, upper elastic slice 2 can be with
Including elastic slice 22 on elastic slice 21 and second on first, 22 mutually insulated of elastic slice setting on elastic slice 21 and second on first.On first
Elastic slice 22 respectively includes elastic slice elastic arm 23 and upper elastic slice elater 24 on elastic slice 21 and second.Each elastic arm can be set respectively with elater
It sets in four quadrants.
Camera lens support tube 3 is used to support camera lens (not shown), between upper elastic slice 2 and lower elastic slice 6.
The peripheral side of camera lens support tube 3 is arranged in coil unit 4.
Permanent magnet 5 is arranged in the outside of coil unit 4 and is fixed on pedestal 7.Magnetic field is generated when coil unit 4 is powered
Afterwards, it interacts with permanent magnet 5, to control moving up and down for camera lens support tube 3.In an embodiment of the disclosure,
The quantity of permanent magnet 5 can be two, which can be arranged oppositely.
Lower elastic slice 6 is arranged between the downside of camera lens support tube 3 and pedestal 7, and in the disclosure, lower elastic slice 6 can be one
Body formula structure.And can also be similar with upper elastic slice 2, including elastic arm and elater structure.
Pedestal 7 is used to support above-mentioned all parts and is fixedly connected with shell 1.
In accordance with one embodiment of the present disclosure, pedestal 7 is provided with positioning column, it is mutual by positioning column and upper and lower elastic slice
Cooperation, to realize being arranged concentrically for upper and lower elastic slice, can prevent camera lens run-off the straight phenomenon when moving up and down in this way.
It is referred to Fig. 2, upper elastic slice positioning column 71 and lower elastic slice positioning column 72 can be provided on pedestal 7.Upper elastic slice
Positioning column 71 has the height that can be connect with upper elastic slice 2, so that upper elastic slice 2 is located by connecting in upper elastic slice positioning column 71, lower elastic slice
Positioning column 72 has the height that can be connect with lower elastic slice 6, so that lower elastic slice 6 is located by connecting in lower elastic slice positioning column 72.According to this
A disclosed specific embodiment, upper elastic slice positioning column 71 may include connection boss 711, the elastic arm 23 of upper elastic slice 2 with
It connects and is equipped with location hole 25 at the corresponding position of boss 711, wherein not marking whole boss 711 in the accompanying drawings with appended drawing reference
And location hole 25.It, can be in this way, the location hole 25 of upper elastic slice 2 can be set on the connection boss 711 of elastic slice positioning column 71
The positioning of upper elastic slice 2 is kept by upper elastic slice positioning column 71, and the positioning of upper elastic slice 2 is realized by connection boss 711.
In accordance with one embodiment of the present disclosure, the quantity of upper elastic slice positioning column 71 can be set at four, on this four
Elastic slice positioning column 71 can be located at the four corners of pedestal 7.Correspondingly, corresponding in the four corners setting of upper elastic slice 2
Four location holes be set in connection boss 711 on.It is specifically as follows: the elastic slice 22 on elastic slice 21 and second on first respectively
Upper elastic slice elastic arm 23 outboard end at be arranged location hole.
In accordance with one embodiment of the present disclosure, lower elastic slice positioning column 72 is arranged on pedestal 7.Lower elastic slice positioning column 72
Quantity may be set to be four, this four lower elastic slice positioning columns 72 can be located at the four corners of pedestal 7, in this public affairs
In opening preferably, this four lower elastic slice positioning columns 72 are provided in the position corresponding position of elastic slice positioning column 71 and in pedestals 7
Inside at.Correspondingly, corresponding four location holes are set to be set in lower elastic slice positioning column in the four corners of lower elastic slice 6
On 72.In addition, lower elastic slice 6 is also provided with four location hole (not shown)s, for being positioned at the downside of camera lens support tube 3
On.After installation, lower elastic slice 6 will be connected on pedestal 7 and camera lens support tube 3.
By above-mentioned setting, it can be easily installed elastic slice up and down, and form the two and be arranged concentrically, when mode is installed
Error etc., and then inclination when avoiding camera lens mobile.
Root is as illustrated in fig. 1 and 2, can also include that FPC (flexible circuit board) drives back according to the lens driving apparatus of the disclosure
Road 81, Hall sensor 82, displacement detecting permanent magnet 83.
As shown in figure 3, Hall sensor 82 can be set on FPC driving circuit 81, and displacement detecting permanent magnet
83 can be attached to on the lateral surface of the camera lens support tube 3 of 82 corresponding position of Hall sensor.By FPC driving circuit to coil
Unit 4 power, so as in coil unit 4 in the magnetic field that two permanent magnets 5 are formed so that camera lens support tube 3 is along optical axis direction
It moves up and down, the Hall sensor 82 on FPC driving cucurbit 81 is used by the displacement detecting that detection is fixed on camera lens support tube 3
The position of permanent magnet 83 determines the upper and lower displacement amount of camera lens support tube 3.
As shown in Figure 1, the lens driving apparatus of the disclosure can also include insulation spacer 9, which is arranged upper
Between elastic slice 2 and the upper inner face of shell 1, for realizing the insulation function of upper elastic slice 2 and shell 1.
According to the further embodiment of the disclosure, a kind of power supply mode is additionally provided.It is carried out referring to Fig. 2 detailed
Thin explanation.
According to the disclosure, it is respectively provided with output pin 211,221 on elastic slice 21 and second on elastic slice 22 on first, it is defeated
The electric energy from FPC driving circuit 81 is supplied to coil unit 4 by pin out, as shown in Fig. 2, the form of output pin can be
The form of the prodger of an end of elastic slice 22 on elastic slice 21 and second is set on first, is led for what coil unit 4 was powered
Line can be connected in prodger by modes such as welding.On the oncoming lane with output pin, first on elastic slice 21 and second
Input pin 212,222 is respectively provided on elastic slice 22, two input pins 212,222 respectively with it is electric in FPC driving circuit
Source output terminal contact, is supplied to coil unit 4 from FPC driving circuit will pass through upper elastic slice for power supply.
In the disclosure, two permanent magnets 5 are between the upper elastic slice positioning column 71 of pedestal and are separately positioned on the two of pedestal 7
The lateral position of a opposite direction, output pin and input pin (FPC driving circuit) be separately positioned on pedestal 7 other two is opposite
Lateral position.
Fig. 4 is the assembling figure according to the lens driving apparatus of disclosure embodiment.
According to another embodiment of the disclosure, the camera including above-mentioned lens driving apparatus is additionally provided.The camera can
With the camera lens for including above-mentioned lens driving apparatus and being arranged in camera lens support tube.
According to the another embodiment of the disclosure, a kind of mobile device including above-mentioned camera is additionally provided, which sets
It is standby to be provided with above-mentioned camera.
In the description of this specification, reference term " one embodiment/mode ", " some embodiment/modes ", " show
The description of example ", " specific example " or " some examples " etc. mean to combine the specific features of the embodiment/mode or example description,
Structure, material or feature are contained at least one embodiment/mode or example of the application.In the present specification, to upper
The schematic representation for stating term is necessarily directed to identical embodiment/mode or example.Moreover, the specific features of description,
Structure, material or feature can be combined in any suitable manner in any one or more embodiment/modes or example.In addition,
Without conflicting with each other, those skilled in the art can by different embodiment/modes described in this specification or
Example and different embodiment/modes or exemplary feature are combined.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Claims (10)
1. a kind of lens driving apparatus characterized by comprising
Camera lens support tube, the camera lens support tube are used to support camera lens；
Pedestal；And
Upper elastic slice and lower elastic slice, the upper elastic slice are located at the upside of the camera lens support tube, and the lower elastic slice is located at the camera lens
Between the downside of support tube and the pedestal,
Wherein, the pedestal is equipped with upper elastic slice support column and lower elastic slice support column, the upper elastic slice support column and the upper elastic slice
Engagement, the lower elastic slice support column is engaged with the lower elastic slice, to be concentrically disposed with the upper elastic slice and the lower elastic slice.
2. lens driving apparatus as described in claim 1, which is characterized in that the upper elastic slice includes elastic slice and second on first
Upper elastic slice, elastic slice electrically insulated from one another on elastic slice and second on described first, and elastic slice point on elastic slice and second on described first
Not Bao Kuo an output pin,
The lens driving apparatus further includes coil unit, is coil unit power supply by output pin.
3. lens driving apparatus as claimed in claim 2, which is characterized in that the lens driving apparatus further includes FPC driving
Circuit, elastic slice respectively further comprises input pin on elastic slice and second on described first；
The pin of the FPC driving circuit is connect with the input pin, passes through elastic slice and second on input pin, described first
Upper elastic slice and the output pin are coil unit power supply by the FPC driving circuit.
4. lens driving apparatus as claimed any one in claims 1 to 3, which is characterized in that
The quantity of the upper elastic slice support column is four, and four upper elastic slice support columns are separately positioned on four angles of the pedestal
Portion；And
The upper elastic slice is set there are four upper elastic slice location hole, is gone up elastic slice location holes for described four and is gone up elastic slice branch with described four respectively
Dagger connection.
5. lens driving apparatus as claimed in claim 4, which is characterized in that
The quantity of the lower elastic slice support column is four, and four lower elastic slice support columns are separately positioned on the four corners of the pedestal
With at the position of the lower corresponding position of elastic slice support column and the pedestal inside；And
The lower elastic slice is set there are four lower elastic slice location hole, four lower elastic slice location holes respectively with described four lower elastic slice branch
Dagger connection.
6. lens driving apparatus as claimed in claim 3, which is characterized in that the lens driving apparatus further includes hall sensing
Device and position detection permanent magnet；The Hall sensor is pasted on the FPC driving circuit, the position detection permanent magnetism
Body is fixed to the outside of the camera lens support tube, to be used forever by the position detection when the camera lens support tube is mobile
Magnet monitors the displacement of the camera lens support tube with the Hall sensor.
7. the lens driving apparatus as described in any one of claim 3 to 6, which is characterized in that the lens driving apparatus is also
Including two permanent magnets, the peripheral side of the camera lens support tube is arranged in the coil unit, and described two permanent magnets are set respectively
Set two opposite lateral positions in the pedestal；
It is coil unit power supply by the FPC driving circuit, and passes through the coil unit and two permanent magnets
Interaction comes so that camera lens support tube is mobile.
8. lens driving apparatus as claimed in claim 7, which is characterized in that the FPC driving circuit and the output pin
The side of base being respectively provided to except the side of described two permanent magnet settings.
9. a kind of camera characterized by comprising
Such as lens driving apparatus described in any item of the claim 1 to 8；And
Camera lens, the camera lens are arranged into the camera lens support tube of the lens driving apparatus.
10. a kind of mobile device, which is characterized in that including camera as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340023.1A CN109491039A (en) | 2018-11-12 | 2018-11-12 | Lens driving apparatus, camera and mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340023.1A CN109491039A (en) | 2018-11-12 | 2018-11-12 | Lens driving apparatus, camera and mobile device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109491039A true CN109491039A (en) | 2019-03-19 |
Family
ID=65695635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811340023.1A Pending CN109491039A (en) | 2018-11-12 | 2018-11-12 | Lens driving apparatus, camera and mobile device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109491039A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990165A (en) * | 2021-11-13 | 2022-01-28 | 沈阳天仁合一科技有限公司 | Analog heart pump device for automatic pulse finder |
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| CN201523305U (en) * | 2009-09-18 | 2010-07-07 | 亚洲光学股份有限公司 | Voice coil motor capable of preventing spring plate from being deformed |
| CN104216199A (en) * | 2013-05-29 | 2014-12-17 | Lg伊诺特有限公司 | Lens driving device |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191203 Address after: No. 4-3-1, Yongtai Road, Renhe District, Panzhihua City, Sichuan Province Applicant after: Ruien photoelectric Co., Ltd Address before: 402160 Chongqing Xinglong Avenue 3130 Electronic Five Block 6 2nd Floor Applicant before: Chongqing shine photoelectron Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190319 |