CN104898349A - Anti-shake device for lens - Google Patents
Anti-shake device for lens Download PDFInfo
- Publication number
- CN104898349A CN104898349A CN201510387394.5A CN201510387394A CN104898349A CN 104898349 A CN104898349 A CN 104898349A CN 201510387394 A CN201510387394 A CN 201510387394A CN 104898349 A CN104898349 A CN 104898349A
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- China
- Prior art keywords
- axis
- moving cell
- holder
- electric motor
- drives
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Classifications
-
- 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
- G03B5/06—Swinging lens about normal to the optical axis
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The invention discloses an anti-shake device for a lens. The anti-shake device for the lens comprises a permanent seat, an X-axis movement unit, a Y-axis movement unit and Hall detection units, wherein an X-axis driving piezoelectric motor which is used for driving the X-axis movement unit to move relative to the permanent seat and along an X axis is fixedly arranged on the permanent seat; a Y-axis driving piezoelectric motor which is used for driving the Y-axis movement unit to move relative to the X-axis movement unit and along a Y axis is also arranged fixedly on the X-axis movement unit; the Hall detection units detect relative positions between the X-axis movement unit and the permanent seat as well as between the X-axis movement unit and the Y-axis movement unit in real time, and correspondingly send detections signals to the X-axis driving piezoelectric motor and/or the Y-axis driving piezoelectric motor, so as to compensate the shake components of the lens in an X-axis direction and a Y-axis direction. The effective anti-shake purpose is achieved; meanwhile, the overall size of a product is effectively reduced; the anti-shake device for the lens has the characteristic of high precision.
Description
[technical field]
The present invention relates to optical lens, especially a kind of camera lens anti-shake apparatus.
[background technology]
On the optical device that stabilization technology uses mostly, for be applied in the fields such as digital camera, on-vehicle lens, monitoring camera, in a lot of situation, its optical device use often produce vibration.Digital camera is such as used to shake conveniently; On-vehicle lens shakes with car; Monitoring camera is then with wind-force, earthquake and shaking.The shake of camera lens can cause the shake of picture, cannot flutter and catch image clearly.Stabilization technology is based on the improvement in this shortcoming, and adopt the method for optical compensation to correct shake, float is how many, and then oppositely motion compensation is how many for camera lens, and light path is changed, and imaging is out consistent with the picture before shake.
Because the method changing light path is a lot, can be the front end of light path, middle part or rear end, so derivative stabilization technology has multiple, common are eyeglass stabilization, CCD stabilization and complete machine stabilization.Its complex structure of eyeglass stabilization of the prior art, lags in response, power consumption are large, also cause camera lens overall volume and weight greatly simultaneously, are not suitable for the lens optical system of complex precise.
Namely the present invention researchs and proposes for the deficiencies in the prior art.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of camera lens anti-shake apparatus, comprise holder, X-axis moving cell, Y-axis moving cell and Hall detecting unit, X-axis holder is fixed with for driving the relative holder of X-axis moving cell to move along X-axis drives piezo-electric motor, Y-axis X-axis moving cell is also fixed with for driving the relative X-axis moving cell of Y-axis moving cell to move along Y-axis drives piezo-electric motor, Hall detecting unit then detects the relative position of X-axis moving cell and holder and X-axis moving cell and Y-axis moving cell in real time, and drive piezo-electric motor and/or Y-axis to drive piezo-electric motor to send detection signal by corresponding to X-axis, with produced color difference at X, Y direction jittering component, reach effective stabilization object, effectively reduce Total Product volume simultaneously, have the advantages that precision is high.
For solving the problems of the technologies described above, a kind of camera lens anti-shake apparatus of the present invention, comprising:
One holder, described holder bottom surface is provided with the flexible PCB being built-in with control circuit, described holder is also provided with X-axis and drives piezo-electric motor, and described X-axis drives piezo-electric motor to be electrically connected with flexible PCB.
One X-axis moving cell, described X-axis moving cell comprises the X-axis moving cell body for hollow circular ring structure, described X-axis moving cell body is slidably connected on holder another side, described X-axis drives piezo-electric motor output terminal to be fixedly connected with X-axis moving cell body to drive X-axis moving cell body to move along X-axis, described X-axis moving cell body is provided with Y-axis and drives piezo-electric motor, and described Y-axis drives piezo-electric motor to be electrically connected with flexible PCB.
One Y-axis moving cell, described Y-axis moving cell comprises both ends open and is the Y-axis motion body for installing eyeglass of cylindrical structure, described Y-axis motion body and X-axis moving cell body are slidably connected, and described Y-axis drives piezo-electric motor output terminal to be fixedly connected with Y-axis moving cell body to drive Y-axis moving cell body to move along Y-axis.
Two Hall detecting units, described two Hall detecting units are located between holder and X-axis moving cell body and between X-axis moving cell body and Y-axis motion body respectively, and described two Hall detecting units are all electrically connected with flexible PCB.
Described holder, described holder is hollow circular ring structure and top is provided with an X-axis guide holder and an X-axis Connection Block along Y direction, and described X-axis guide holder and X-axis Connection Block are equipped with the X-axis axis of guide being parallel to X-axis.
Described X-axis moving cell body is provided with X-axis sliding seat and X-axis driving seat along Y direction, described X-axis sliding seat side is provided with the X-axis guide chute for being slidably connected with the X-axis axis of guide be located on X-axis guide holder, described X-axis drives seat to be provided with the X-axis pilot hole be slidably connected with the X-axis axis of guide be located on X-axis Connection Block, described X-axis drives X-axis V-type groove seat is also provided with for driving piezo-electric motor output terminal to be connected with X-axis, described X-axis driving seat is also provided with for X-axis being driven piezo-electric motor output terminal to be fixed on compression shell fragment in X-axis V-type groove.
Described X-axis moving cell body is provided with a Y-axis guide holder and a Y-axis Connection Block along X-direction, described Y-axis guide holder with Y-axis Connection Block is equipped with the Y-axis axis of guide parallel with Y-axis.
Described Y-axis motion body is provided with Y-axis sliding seat along X-direction and Y-axis drives seat, described Y-axis sliding seat side is provided with the Y-axis guide chute for being slidably connected with the Y-axis axis of guide be located on Y-axis guide holder, described Y-axis drives seat to be provided with the Y-axis pilot hole be slidably connected with the Y-axis axis of guide be located on Y-axis Connection Block, described Y-axis drives Y-axis V-type groove seat is also provided with for driving piezo-electric motor output terminal to be connected with Y-axis, described Y-axis driving seat is also provided with for Y-axis being driven piezo-electric motor output terminal to be fixed on compression shell fragment in Y-axis V-type groove.
Described Hall detecting unit comprises and arranges magnetite and Hall element in opposite directions, described Hall element is electrically connected with flexible PCB, two magnetites are corresponding to be fixedly located on X-axis sliding seat and Y-axis sliding seat, and two Hall elements are corresponding to be fixedly located at bottom X-axis guide holder and Y-axis guide holder.
Described X-axis V-type groove and Y-axis V-type groove coordinate V-type pad.
Compared with prior art, a kind of camera lens anti-shake apparatus of the present invention, tool has the following advantages:
1, adopt technical solution of the present invention, drive piezo-electric motor and Y-axis to drive cooperatively interacting of piezo-electric motor by Hall detecting unit, X-axis, effectively compensate for the component because shake produces in X, Y direction, there is stabilization object;
2, adopt piezo-electric motor as drive source, its precision is high, is swift in response, the hysteresis phenomenon avoided, and ensure that and compensates in time, and then ensures that lens shooting picture is clear;
3, simultaneously, adopt piezo-electric motor as drive source, effectively reduce the overall volume of product;
4 moreover, use another benefit of piezo-electric motor to be do not need energising to keep, piezo-electric motor itself has a confining force, forms self-locking, when not being energized, can maintain certain fixed position, can save electric energy like this.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is one of structural representation of the present invention.
Fig. 2 is structural representation two of the present invention.
Fig. 3 is one of explosive view of the present invention.
Fig. 4 is explosive view two of the present invention.
Fig. 5 is inner structure schematic diagram of the present invention.
Fig. 6 is the structural representation of X-axis moving cell in the present invention.
Fig. 7 is the structural representation of Y-axis moving cell in the present invention.
Fig. 8 is the structural representation of holder in the present invention.
[embodiment]
Below in conjunction with accompanying drawing, embodiments of the present invention are elaborated.
A kind of camera lens anti-shake apparatus of the present invention, comprise holder 1, X-axis moving cell 2, Y-axis moving cell 3 and Hall detecting unit, piezo-electric motor and Y-axis is driven to drive cooperatively interacting of piezo-electric motor by Hall detecting unit, X-axis, effectively compensate for the component because shake produces in X, Y direction, there is stabilization object.
Described holder 1 bottom surface is provided with the flexible PCB 11 being built-in with control circuit, described holder 1 is also provided with X-axis and drives piezo-electric motor 12, and described X-axis drives piezo-electric motor 12 to be electrically connected with flexible PCB 11.
Described X-axis moving cell 2 comprises the X-axis moving cell body 21 for hollow circular ring structure, described X-axis moving cell body 21 is slidably connected on holder 1 another side, described X-axis drives piezo-electric motor 12 output terminal to be fixedly connected with X-axis moving cell body 21 to drive X-axis moving cell body 21 to move along X-axis, described X-axis moving cell body 21 is provided with Y-axis and drives piezo-electric motor 22, and described Y-axis drives piezo-electric motor 22 to be electrically connected with flexible PCB 11.
Described Y-axis moving cell 3 comprises both ends open and is the Y-axis motion body 31 for installing eyeglass of cylindrical structure, described Y-axis motion body 31 is slidably connected with X-axis moving cell body 21, and described Y-axis drives piezo-electric motor 22 output terminal to be fixedly connected with Y-axis moving cell body 31 to drive Y-axis moving cell body 31 to move along Y-axis.
Described two Hall detecting units are located between holder 1 and X-axis moving cell body 21 and between X-axis moving cell body 21 and Y-axis motion body 31 respectively, and described two Hall detecting units are all electrically connected with flexible PCB 11.
Described holder 1, described holder 1 is for hollow circular ring structure and top is provided with X-axis guide holder 13 and an X-axis Connection Block 14 along Y direction, and described X-axis guide holder 13 and X-axis Connection Block 14 are equipped with the X-axis axis of guide 15 being parallel to X-axis;
Described X-axis moving cell body 21 is provided with X-axis sliding seat 23 and X-axis driving seat 24 along Y direction, described X-axis sliding seat 23 side is provided with the X-axis guide chute 231 for being slidably connected with the X-axis axis of guide 15 be located on X-axis guide holder 13, described X-axis drives seat 24 to be provided with the X-axis pilot hole 241 be slidably connected with the X-axis axis of guide 15 be located on X-axis Connection Block 14, described X-axis drives the X-axis V-type groove 242 seat 24 is also provided with for driving piezo-electric motor 12 output terminal to be connected with X-axis, described X-axis drives and seat 24 is also provided with for X-axis being driven piezo-electric motor 12 output terminal to be fixed on compression shell fragment 5 in X-axis V-type groove 242.
Described X-axis moving cell body 21 is provided with Y-axis guide holder 25 and a Y-axis Connection Block 26 along X-direction, described Y-axis guide holder 25 with Y-axis Connection Block 26 is equipped with the Y-axis axis of guide 27 parallel with Y-axis.
Described Y-axis motion body 31 is provided with Y-axis sliding seat 32 along X-direction and Y-axis drives seat 33, described Y-axis sliding seat 32 side is provided with the Y-axis guide chute 321 for being slidably connected with the Y-axis axis of guide 27 be located on Y-axis guide holder 25, described Y-axis drives seat 33 to be provided with the Y-axis pilot hole 331 be slidably connected with the Y-axis axis of guide 27 be located on Y-axis Connection Block 26, described Y-axis drives the Y-axis V-type groove 332 seat 33 is also provided with for driving piezo-electric motor 22 output terminal to be connected with Y-axis, described Y-axis drives and seat 33 is also provided with for Y-axis being driven piezo-electric motor 22 output terminal to be fixed on compression shell fragment 5 in Y-axis V-type groove 332.
Described Hall detecting unit comprises and arranges magnetite 41 and Hall element 42 in opposite directions, described Hall element 42 is electrically connected with flexible PCB 11, two magnetites 41 are corresponding to be fixedly located on X-axis sliding seat 23 and Y-axis sliding seat 32, and two Hall elements 42 are corresponding to be fixedly located at bottom X-axis guide holder 13 and Y-axis guide holder 25.
Described X-axis V-type groove 242 and Y-axis V-type groove 332 coordinate V-type pad 6.
When the present invention works, Hall detecting unit then detects the relative position of X-axis moving cell 2 and holder 1 and X-axis moving cell 2 and Y-axis moving cell 3 in real time, namely the change in location produced between the Hall element 42 utilizing two groups of magnetites 41 corresponding with it, Hall element 42 senses the change of magnetic flux, and then drive piezo-electric motor 12 and/or Y-axis to drive piezo-electric motor 22 to send detection signal by corresponding to X-axis, X-axis is made to drive piezo-electric motor 12 and/or Y-axis to drive the corresponding quick acting of piezo-electric motor 22, with produced color difference at X, Y direction jittering component, thus reach effective stabilization object.
Claims (5)
1. a camera lens anti-shake apparatus, is characterized in that comprising:
One holder (1), described holder (1) bottom surface is provided with the flexible PCB (11) being built-in with control circuit, described holder (1) is also provided with X-axis and drives piezo-electric motor (12), described X-axis drives piezo-electric motor (12) to be electrically connected with flexible PCB (11);
One X-axis moving cell (2), described X-axis moving cell (2) comprises the X-axis moving cell body (21) for hollow circular ring structure, described X-axis moving cell body (21) is slidably connected on holder (1) another side, described X-axis drives piezo-electric motor (12) output terminal to be fixedly connected with X-axis moving cell body (21) to drive X-axis moving cell body (21) to move along X-axis, described X-axis moving cell body (21) is provided with Y-axis and drives piezo-electric motor (22), described Y-axis drives piezo-electric motor (22) to be electrically connected with flexible PCB (11),
One Y-axis moving cell (3), described Y-axis moving cell (3) comprises both ends open and is the Y-axis motion body (31) for installing eyeglass of cylindrical structure, described Y-axis motion body (31) and X-axis moving cell body (21) are slidably connected, and described Y-axis drives piezo-electric motor (22) output terminal to be fixedly connected with Y-axis moving cell body (31) to drive Y-axis moving cell body (31) to move along Y-axis;
Two Hall detecting units, described two Hall detecting units are located between holder (1) and X-axis moving cell body (21) and between X-axis moving cell body (21) and Y-axis motion body (31) respectively, and described two Hall detecting units are all electrically connected with flexible PCB (11).
2. a kind of camera lens anti-shake apparatus according to claim 1, it is characterized in that described holder (1), described holder (1) is for hollow circular ring structure and top is provided with an X-axis guide holder (13) and an X-axis Connection Block (14) along Y direction, and described X-axis guide holder (13) and X-axis Connection Block (14) are equipped with the X-axis axis of guide (15) being parallel to X-axis;
Described X-axis moving cell body (21) is provided with X-axis sliding seat (23) and X-axis driving seat (24) along Y direction, described X-axis sliding seat (23) side is provided with the X-axis guide chute (231) for being slidably connected with the X-axis axis of guide (15) be located on X-axis guide holder (13), described X-axis drives seat (24) to be provided with the X-axis pilot hole (241) be slidably connected with the X-axis axis of guide (15) be located on X-axis Connection Block (14), described X-axis drives the X-axis V-type groove (242) seat (24) is also provided with for driving piezo-electric motor (12) output terminal to be connected with X-axis, described X-axis drives and seat (24) is also provided with for X-axis being driven piezo-electric motor (12) output terminal to be fixed on compression shell fragment (5) in X-axis V-type groove (242).
3. a kind of camera lens anti-shake apparatus according to claim 2, it is characterized in that described X-axis moving cell body (21) is provided with a Y-axis guide holder (25) and a Y-axis Connection Block (26) along X-direction, described Y-axis guide holder (25) with Y-axis Connection Block (26) is equipped with the Y-axis axis of guide (27) parallel with Y-axis;
Described Y-axis motion body (31) is provided with Y-axis sliding seat (32) along X-direction and Y-axis drives seat (33), described Y-axis sliding seat (32) side is provided with the Y-axis guide chute (321) for being slidably connected with the Y-axis axis of guide (27) be located on Y-axis guide holder (25), described Y-axis drives seat (33) to be provided with the Y-axis pilot hole (331) be slidably connected with the Y-axis axis of guide (27) be located on Y-axis Connection Block (26), described Y-axis drives the Y-axis V-type groove (332) seat (33) is also provided with for driving piezo-electric motor (22) output terminal to be connected with Y-axis, described Y-axis drives and seat (33) is also provided with for Y-axis being driven piezo-electric motor (22) output terminal to be fixed on compression shell fragment (5) in Y-axis V-type groove (332).
4. a kind of camera lens anti-shake apparatus according to claim 3, it is characterized in that described Hall detecting unit comprises and magnetite (41) and Hall element (42) are set in opposite directions, described Hall element (42) is electrically connected with flexible PCB (11), two magnetites (41) are corresponding to be fixedly located on X-axis sliding seat (23) and Y-axis sliding seat (32), and two Hall elements (42) are corresponding is fixedly located at X-axis guide holder (13) and Y-axis guide holder (25) bottom.
5. a kind of camera lens anti-shake apparatus according to claim 3, is characterized in that described X-axis V-type groove (242) and Y-axis V-type groove (332) is upper coordinates V-type pad (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387394.5A CN104898349A (en) | 2015-06-30 | 2015-06-30 | Anti-shake device for lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387394.5A CN104898349A (en) | 2015-06-30 | 2015-06-30 | Anti-shake device for lens |
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| CN104898349A true CN104898349A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510387394.5A Pending CN104898349A (en) | 2015-06-30 | 2015-06-30 | Anti-shake device for lens |
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Cited By (3)
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| JP2018018019A (en) * | 2016-07-29 | 2018-02-01 | Tdk株式会社 | Lens drive unit |
| JP2018018017A (en) * | 2016-07-29 | 2018-02-01 | Tdk株式会社 | Lens drive unit |
| CN113395445A (en) * | 2021-05-21 | 2021-09-14 | 江西晶浩光学有限公司 | Camera module and electronic equipment |
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