CN107340667B - Anti-shake miniature cradle head integrated with camera module - Google Patents
Anti-shake miniature cradle head integrated with camera module Download PDFInfo
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- CN107340667B CN107340667B CN201710740605.8A CN201710740605A CN107340667B CN 107340667 B CN107340667 B CN 107340667B CN 201710740605 A CN201710740605 A CN 201710740605A CN 107340667 B CN107340667 B CN 107340667B
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- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 239000012811 non-conductive material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 21
- 230000010485 coping Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 15
- 230000008901 benefit Effects 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 3
- 241000463219 Epitheca Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Abstract
The invention belongs to the technical field of anti-shake cloud platforms, and particularly relates to an anti-shake miniature cloud platform integrated with a camera module. The independent coil and the camera module form a movable structure, the shell, the positioning seat and the magnet form an immovable structure, and the immovable structure is connected with the movable structure through the spring to form a spring oscillator system. The contact point of the supporting structure of the invention does not have a contact point with friction force, the non-linear friction force does not appear in the anti-shaking process, and the effect of coping with the vibration which is relatively fine and has frequently changed direction is better.
Description
Technical Field
The invention belongs to the technical field of anti-shake cloud platforms, and particularly relates to an anti-shake miniature cloud platform integrating a camera module.
Background
In recent years, mobile devices having a fixed-focus wide-angle (viewing angle exceeding 80 degrees) shooting function have become popular, and the application range thereof has been expanding, including aerial photography, motion cameras, and automobile data recorders. When taking pictures and taking films, it is likely to be blurred or shaken by external vibration, which affects the quality of the pictures and films. This problem is exacerbated when the vibrations are relatively intense, or in low light conditions.
In order to solve the above problems, many existing anti-shake technologies have appeared on the market. The mainstream of the prior art achieves the effect of improving the image quality by reading vibration sensors (such as gyroscopes and acceleration sensors), calculating vibration waveforms and required compensation angles, and compensating for image blur and shaking caused by vibration through electronic, optical, or mechanical methods.
The prior art is classified into three categories according to a vibration compensation method, including an Electronic Image Stabilizer (EIS), an Optical Image Stabilizer (OIS), and an anti-shake tripod head (GS). EIS, OIS, and GS each have advantages and disadvantages.
EIS achieves anti-shake effect by electronic means. During shooting, the EIS adjusts the position of each frame of image according to the calculated vibration waveform to counteract the image shake caused by vibration. The main advantage of EIS is low cost, no extra weight and volume, since EIS does not require additional actuators.
The OIS is an Optical and mechanical method, in which an actuator is used to move an Optical component (which may be one, one set or all of lenses in a camera) to cause relative motion between the Optical component and an Image sensor, and the Optical Path (Optical Path) and the position of an imaging Circle (Image Circle) are changed to counteract the Image shake caused by vibration. Since the OIS is optically compensated for each frame of image captured, it can compensate for the jitter during the exposure of each frame of image, resulting in better image quality than EIS.
The GS mechanically drives the entire camera module including the lens and the image sensor to move in a direction opposite to the vibration direction but with an amplitude close to the vibration direction, thereby eliminating the shake caused by the vibration. In the anti-shake process, because there is no relative motion between the optical component and the image sensor, the image quality and the anti-shake effect will not be reduced at the edge of the image, and there is no need to sacrifice the partial optical resolution of the lens and the partial resolution of the image sensor due to the anti-shake. Therefore, the anti-shake effect and the image quality of GS are more advantageous than EIS and OIS, which is more prominent in the wide-angle camera module.
The main drawback of EIS is that it cannot compensate for image jitter in each frame because EIS compensates for image jitter due to vibrations by adjusting the position of each frame image. Therefore, the image shot after the EIS is opened is easy to be blurred due to image shaking.
Another EIS disadvantage is that the resolution of the image sensor is sacrificed. When the EIS is turned on, the image sensor or the image processor needs to cut out an appropriate image according to the calculated vibration waveform as a final image. During cropping, the resolution may decrease and the final image may have a lower resolution than the maximum resolution of the image sensor. Therefore, EIS sacrifices the maximum resolution of the image sensor and reduces the image quality.
The main disadvantage of OIS over EIS is the need for additional actuators, and therefore higher additional cost, more additional space, and higher additional weight.
The main disadvantage of OIS versus GS is the sacrifice of partial optical resolution of the lens. During OIS, the position of the image circle on the image sensor changes constantly. To avoid the image circle exceeding the image sensor during OIS, the image circle must be enlarged for OIS, but this wastes the resolution that the lens should have. On the other hand, in the OIS process, when the position of the imaging circle is more off-set, the edge of the imaging circle is closer to the image sensor. Since most lenses have more severe blur and distortion at the edge than at the center, the image resolution and anti-shake effect of the conventional OIS are inferior to GS, which is more obvious in the wide-angle camera module.
Although GS has significant advantages in terms of image quality and anti-shake effects over OIS and EIS, GS requires actuators that drive the entire camera module. Because the camera module has much more weight and size than the lens, the cost, weight, volume and power consumption of the conventional GS actuator are usually high, which is not suitable for small mobile devices or reduces the battery life of the mobile device.
On the other hand, the mainstream GS technology employs ball bearings or other contact points with friction as mechanical support structures between fixed and movable components. Due to the non-linear relationship between the friction of the support structure and the speed of the movable part, the support structure increases the non-linear friction, which may affect the anti-shake effect. The effect is more pronounced especially when the vibrations are relatively small and the direction is often changed.
Disclosure of Invention
An object of the present invention is to provide an anti-shake micro cradle head integrated with a camera module, so as to solve the problem that the cost, weight, volume and power consumption of the cradle head actuator in the prior art are generally high.
Still another object of the present invention is to provide an anti-shake micro cradle head integrated with a camera module, so as to solve the problem that the contact point of the cradle head actuator support structure in the prior art is a ball bearing or other contact point with friction, and the friction affects the anti-shake effect.
The embodiment of the invention provides an anti-shake micro pan-tilt integrated with a camera module, which comprises a shell, a positioning seat, the camera module, at least one magnet, at least one independent coil and at least one spring, wherein the shell is connected with the positioning seat;
the shell, the positioning seat and the magnet form an inactive structure, the camera module and the independent coil form a movable structure, and the independent coil is subjected to an ampere force action in a magnetic field of the magnet after being electrified;
and two ends of the spring are respectively connected with the camera module and the positioning seat to form a spring oscillator system.
As a preferred mode of the present invention, the camera module includes a camera lens, a lens carrier, an image sensor, and a circuit board, the camera lens is connected to the lens carrier, the lens carrier is further connected to the circuit board, and the lens carrier has at least 1 spatial rotational degree of freedom;
an image sensor is arranged below the camera lens, and the image sensor is arranged on the circuit board and electrically connected with the circuit board.
As a preferred mode of the present invention, the circuit board includes a first rigid circuit board, a second rigid circuit board, a third rigid circuit board, a first flexible circuit board, and a second flexible circuit board, the first rigid circuit board carries the image sensor, and a periphery of the first rigid circuit board is completely connected to the first flexible circuit board, a periphery of the first flexible circuit board is completely connected to the second rigid circuit board, the second rigid circuit board is further connected to the second flexible circuit board, and the second flexible circuit board is further connected to the third rigid circuit board.
As a preferred mode of the present invention, the lens carrier is rigidly connected to the first rigid circuit board, and the second rigid circuit board is rigidly connected to the positioning seat.
As a preferred mode of the present invention, an anti-shake control chip and a vibration sensor are disposed below the second rigid circuit board, and the anti-shake control chip and the vibration sensor are electrically connected to the second rigid circuit board.
In a preferred embodiment of the present invention, the lens carrier is made of a non-conductive material.
The magnetic field of the independent coil is opposite to that of the magnets, and the independent coil is arranged in a manner that the number of the pairs of the magnets is the same as that of the magnets and the independent coil and the independent spring are arranged corresponding to the magnets.
In a preferred embodiment of the present invention, the magnet assembly includes 3 sets of the magnets, i.e., a first magnet set, a second magnet set, and a third magnet set;
the first magnet group comprises two pairs of magnets, the two pairs of magnets are respectively arranged on any pair of edges of the inner wall of the shell, and each pair of magnets is formed by arranging two magnets in parallel up and down, wherein the directions of the magnetic fields of the two magnets are opposite;
the second magnet group comprises a pair of magnets which are arranged on the other side of the inner wall of the shell, and each pair of magnets consists of two magnets which are arranged side by side in an up-and-down mode and have opposite magnetic field directions;
the third magnet group comprises a pair of magnets which are arranged on the rest edge of the inner wall of the shell, and each pair of magnets consists of two magnets with opposite magnetic field directions which are arranged side by side from left to right;
the independent coil and the spring are the same in number of pairs as the magnets and are arranged corresponding to the magnets.
In a preferred embodiment of the present invention, the housing is made of a material that can shield high-frequency electromagnetic waves.
As a preferred mode of the present invention, the camera module can rotate around the axis of the spring oscillator system, and the ampere force applied to the independent coil can be changed by changing the current magnitude and direction of the independent coil;
the axis of the spring oscillator system can not displace in the motion process or under the action of external force.
The camera module is driven to move by using the ampere force generated by the electrified independent coil in the magnetic field, and the current direction of the independent coil is controlled by combining the anti-shake control chip, so that the vibration interference during shooting is counteracted to eliminate the blurring of the image, and the quality of the image or the film is improved. The magnet with the magnets distributed up and down and the independent coil are arranged to realize the rotation of a horizontal shaft; two groups of magnets are arranged as magnet pairs which are arranged up and down and independent coils corresponding to the number of the magnets, so that the rotation of two horizontal shafts can be realized; meanwhile, a group of magnets are arranged up and down, a pair of magnetic poles are arranged left and right, and independent coils corresponding to the number of the magnets can realize rotation of two horizontal shafts and a vertical shaft, so that the function of shaking prevention from one shaft to multiple shafts is realized.
The invention uses the electromagnetic force to drive the actuator, does not need complicated mechanical transmission structure, therefore it has simple and compact structure, convenient assembly, small volume, light weight, low cost, low power consumption, is favorable to large-scale production and application.
The contact point of the supporting structure of the invention does not have a contact point with friction force, the non-linear friction force does not appear in the anti-shaking process, and the effect of coping with the vibration which is relatively fine and has frequently changed direction is better.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an expanded view of the structure of an embodiment of the present invention;
FIG. 3 is a side sectional view A-A of an embodiment of the present invention;
FIG. 4 is a side cross-sectional view B-B of an embodiment of the present invention;
FIG. 5 is a top view of a circuit board of an embodiment of the present invention;
FIG. 6 is a bottom view of a circuit board of an embodiment of the present invention;
FIG. 7 is an expanded view of the second embodiment of the present invention;
FIG. 8 is a diagram illustrating a second embodiment of the present invention;
fig. 9 is an expanded view of the third embodiment of the present invention.
The camera comprises an upper shell, a lower shell, a socket, a camera lens, a magnet, a camera lens carrier, an independent coil, a camera lens carrier, a spring, a camera lens carrier, a camera lens, wherein the camera lens carrier, the camera lens, the.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
An embodiment of the present invention provides an anti-shake micro pan/tilt head integrated with a camera module, which is shown in fig. 1 to 4 and includes a housing, a positioning seat 2, a camera module, at least one magnet 6, at least one independent coil 7, and at least one spring 9. The shell is connected with positioning seat 2, and the cross-section of shell is the rectangle form, and for easy to assemble, the shell can be divided into epitheca 1 and inferior valve 3 two parts, and epitheca 1 and inferior valve 3 all are connected with positioning seat 2. The positioning seat 2 is further connected with the camera module, the magnet 6 is fixedly installed on any inner wall of the shell, and the independent coil 7 is fixedly installed on the outer wall of the camera module and corresponds to the magnet 6. Two ends of the spring 9 are respectively connected with the camera module and the positioning seat 2. The camera module comprises a camera lens 5, a lens carrier 8, an image sensor 11 and a circuit board 10, and the camera module is fixedly connected with the positioning seat through the circuit board 10. The camera lens 5 is coaxially connected to a lens carrier 8, and the lens carrier 8 is used for carrying the camera lens 5, so that the camera lens 5 can move along with the movement of the lens carrier 8. The lens carrier 8 is further connected to the circuit board 10, and the periphery of the connection portion of the circuit board 10 and the lens carrier 8 is made of flexible materials, so that the lens carrier 8 has at least 1 spatial rotational degree of freedom.
Because the camera module comprises the lens carrier 8, the camera module is positioned through the lens carrier 8 and the installation, and the lens carrier 8 at least has 1 spatial rotation freedom degree, the independent coil 7 and the camera module form a movable structure, and the shell, the positioning seat 2 and the magnet 6 form a fixed structure. The fixed structure and the movable structure are connected through the spring 9 and the flexible material in the circuit board 10, so that a spring vibrator system is formed. When the independent coil 7 is electrified, the independent coil is acted by ampere force, and the camera module can be driven by the ampere force to rotate around the axis of the camera module. By changing the current and the direction of each group of coils, the magnetic field moment can be changed, and the camera module rotates around the axis of the spring vibrator system. The axis of the spring vibrator system does not displace in the motion process or when other external forces act on the movable structure, when the rotation of the camera module relative to the fixed structure and the external rotation vibration are opposite in direction, but the amplitudes are close, the vibration can be counteracted, the anti-shake effect of at least one axis is achieved, and the quality of images and images influenced by the vibration is reduced. When the independent coil is powered off by 7 hours, the ampere force disappears, and the spring vibrator system can be reset.
Referring to fig. 5, the circuit board 10 includes a first rigid circuit board 12, a second rigid circuit board 13, a third rigid circuit board 14, a first flexible circuit board 15, and a second flexible circuit board 16. The first rigid circuit board 12 carries the image sensor 11 and the periphery of the first rigid circuit board 12 is completely connected with the first flexible circuit board 15. The periphery of the first flexible printed circuit 15 is completely connected to the second rigid printed circuit 13. In order to ensure that the cradle head does not move relatively between the camera lens 5 and the image sensor 11 when vibrated, the image sensor 11 is arranged below the camera lens 5, and the image sensor 11 is arranged on the circuit board 10 and electrically connected with the circuit board 10. The lens carrier 8 is rigidly connected to the first rigid circuit board 12, and the second rigid circuit board 13 is rigidly connected to the positioning base 2.
The movable structure is active because the first flexible printed circuit 15 is connected between the first rigid printed circuit 12 and the second rigid printed circuit 13, and the first flexible printed circuit 15 is flexible, so the first rigid printed circuit 12 has a certain degree of freedom in space, and can ensure at least 1 degree of freedom in spatial rotation. The lens carrier 8 connected to the first rigid circuit board 12 has at least 1 spatial rotational degree of freedom. The second rigid circuit board 13 is rigidly connected to the positioning seat 2, and the positioning seat 2 is rigidly connected to the housing, so the second rigid circuit board 13 is a fixed structure and has no degree of freedom.
The second rigid circuit board 13 is further connected to a second flexible circuit board 16, and the second flexible circuit board 16 is further connected to a third rigid circuit board 14. The cradle head system can be powered on from the outside or send and receive information to and from the outside through the second flexible printed circuit board 16 and the third rigid printed circuit board 14.
Referring to fig. 6, an anti-shake control chip 18 and a vibration sensor 17 are disposed below the second rigid circuit board 13, and the anti-shake control chip 18 and the vibration sensor 17 are electrically connected to the second rigid circuit board 13. The anti-shake control chip 18 calculates a vibration signal by reading the vibration sensor 17, outputs a required control signal, and changes the current and direction of the independent coil 7 to achieve the anti-shake effect.
In order not to affect the normal operation of the separate coil 7, the lens carrier 8 is made of a non-conductive material.
In another embodiment, referring to fig. 7, the magnetic field generator comprises two sets of magnets, each set of magnets comprises two pairs of magnets, each pair of magnets is arranged on any pair of edges of the inner wall of the housing, each pair of magnets comprises two magnets 6 with opposite magnetic field directions, the magnets are arranged side by side up and down, and the magnetic field generator further comprises an independent coil 7 and the spring 9, the number of the independent coil is the same as that of the magnets 6, and the independent coil is arranged corresponding to the magnets 6.
Referring to FIG. 8, one set of magnets includes magnets 601, 602, 603, and 604; the independent coils include 701 and 702, and the independent coils 701 and 702 are electrically connected. Similarly, another group of magnets likewise includes 4 magnets 6; the other set of independent coils comprises 2 independent coils 7, and the 2 independent coils 7 are electrically connected. The rotation in the Rx and Ry directions can be caused by adjusting the current direction and the current magnitude of the two groups of independent coils 7, and the two-axis anti-shaking effect is achieved. When the camera module needs to rotate in the Ry + direction during the optical anti-shake process, the independent coils 701 and 702 are energized to generate corresponding electromagnetic force F and moment in the Ry + direction, so as to achieve the effect of rotating in the Ry + direction.
In another embodiment, referring to fig. 9, the above embodiment includes 3 sets of magnets, namely, a first magnet set 610, a second magnet set 620, and a third magnet set 630;
the first magnet group 610 comprises two pairs of magnets, the two pairs of magnets are respectively arranged on any one pair of edges of the inner wall of the shell, each pair of magnets is formed by arranging two magnets 6 with opposite magnetic field directions in a vertical and side-by-side mode, namely, in fig. 9, a pair of magnet 611 and magnet 612 is formed, and another pair of magnet 613 and magnet 614 is formed;
the second magnet group 620 comprises a pair of magnets arranged on the other side of the inner wall of the shell, each pair of magnets is composed of two magnets 6 with opposite magnetic field directions arranged side by side up and down, namely a magnet 621 and a magnet 622 in the figure 9;
the third magnet group 630 comprises a pair of magnets arranged on the remaining edge of the inner wall of the housing, each pair of magnets being composed of two magnets 6 with opposite magnetic field directions arranged side by side left and right, namely a magnet 631 and a magnet 632 in fig. 9;
and an independent coil 7 and a spring 9 having the same number of pairs as the magnets 6 and provided corresponding to the magnets 6.
The ampere force generated by the independent coils 711, 712 and 721 is parallel to the z-axis (parallel to the optical axis), so that the moments in the Rx and Ry directions are generated, and the rotation and anti-shake effects in the Rx and Ry directions are achieved; the ampere force generated by the independent coil 731 is parallel to the y-axis (perpendicular to the optical axis), so that a moment in the Rz direction is generated, and the Rz-direction rotation and anti-shake effects are achieved. By adjusting the current direction and magnitude of the independent coil 7, the rotation in Rx, Ry and Rz directions can be caused, and the three-axis anti-shake effect is achieved.
In order not to affect the normal operation of the independent coil 7 and the circuit board 10, the material of the positioning seat 2 is non-conductive.
In order to reduce the interference of the cradle head to external components and high-frequency electromagnetic waves of the external components to the image sensor 11, the shell is made of a material capable of shielding the high-frequency electromagnetic waves.
In the invention, the optical component and the image sensor do not move relatively, so that the image quality and the anti-shake effect cannot be reduced at the edge of the image, and the partial optical resolution of the lens and the partial resolution of the image sensor are not required to be lost due to anti-shake and concession.
In addition, the structure of the invention does not need balls or other contact points with friction force to be used as a mechanical supporting structure between the fixed part and the movable part, thereby avoiding the nonlinear friction force in the anti-shake process and achieving better anti-shake effect. Especially, when the vibration is very small and the direction is changed frequently, the anti-shake effect of the structure of the invention is more obvious. The invention has simple and compact structure, convenient assembly and is beneficial to mass production and even automatic production, thereby having advantages in cost, weight, volume and power consumption.
The invention may also exist in other embodiments, for example the spring 9 may consist of at least one sheet of elastic material on one or more planes, the spring 9 being either electrically conductive or non-conductive; the spring 9 can also be composed of spring wires; the vibration sensor 11 or the anti-shake control chip 18 may not be in the pan-tilt structure in the present invention; a displacement or deflection sensor can be added in the invention to implement closed-loop anti-shake control; it is within the scope of the present invention to use other numbers of magnets, independent coils, and housing designs.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. An anti-shake micro pan-tilt integrated with a camera module is characterized by comprising a shell, a positioning seat, the camera module, at least one magnet, at least one independent coil and at least one spring, wherein the shell is connected with the positioning seat;
the shell, the positioning seat and the magnet form an inactive structure, the camera module and the independent coil form a movable structure, and the independent coil is subjected to an ampere force action in a magnetic field of the magnet after being electrified;
two ends of the spring are respectively connected with the camera module and the positioning seat to form a spring oscillator system;
the camera module comprises a camera lens, a lens carrier, an image sensor and a circuit board, wherein the camera lens is connected with the lens carrier, the lens carrier is also connected with the circuit board, and the lens carrier at least has 1 spatial rotation degree of freedom;
an image sensor is arranged below the camera lens, and is arranged on the circuit board and electrically connected with the circuit board;
the circuit board comprises a first hard circuit board, a second hard circuit board, a third hard circuit board, a first flexible circuit board and a second flexible circuit board, wherein the first hard circuit board carries the image sensor, the periphery of the first hard circuit board is completely connected with the first flexible circuit board, the periphery of the first flexible circuit board is completely connected with the second hard circuit board, the second hard circuit board is also connected with the second flexible circuit board, and the second flexible circuit board is also connected with the third hard circuit board;
the lens carrier is rigidly connected with the first rigid circuit board, and the second rigid circuit board is rigidly connected with the positioning seat.
2. The camera module-integrated anti-shake micro pan/tilt according to claim 1, wherein an anti-shake control chip and a vibration sensor are disposed under the second rigid circuit board, and the anti-shake control chip and the vibration sensor are electrically connected to the second rigid circuit board.
3. The camera module-integrated anti-shake micro platform according to claim 1, wherein the lens carrier is made of a non-conductive material.
4. The integrated camera module anti-shake micro pan/tilt according to claim 1, comprising two sets of the magnets, wherein each set of the magnets comprises two pairs of the magnets, each pair of the magnets is disposed on any pair of edges of the inner wall of the housing, each pair of the magnets comprises two magnets with opposite magnetic field directions, the magnets are arranged side by side up and down, and the integrated camera module anti-shake micro pan/tilt further comprises the independent coil and the spring, the number of the independent coil is the same as that of the magnets, and the independent coil and the spring are arranged corresponding to the magnets.
5. The camera module-integrated anti-shake micro pan/tilt head according to claim 1, comprising 3 sets of the magnets, namely a first magnet set, a second magnet set and a third magnet set;
the first magnet group comprises two pairs of magnets, the two pairs of magnets are respectively arranged on any pair of edges of the inner wall of the shell, and each pair of magnets is formed by arranging two magnets in parallel up and down, wherein the directions of the magnetic fields of the two magnets are opposite;
the second magnet group comprises a pair of magnets which are arranged on the other side of the inner wall of the shell, and each pair of magnets consists of two magnets which are arranged side by side in an up-and-down mode and have opposite magnetic field directions;
the third magnet group comprises a pair of magnets which are arranged on the rest edge of the inner wall of the shell, and each pair of magnets consists of two magnets with opposite magnetic field directions which are arranged side by side from left to right;
the independent coil and the spring are the same in number of pairs as the magnets and are arranged corresponding to the magnets.
6. The camera module-integrated anti-shake micro pan/tilt head according to claim 1, wherein the housing is made of a material capable of shielding high-frequency electromagnetic waves.
7. The camera module-integrated anti-shake micro pan/tilt head of claim 1, wherein the camera module can rotate around the axis of the spring vibrator system, and the ampere force applied to the independent coil can be changed by changing the current magnitude and direction of the independent coil;
the axis of the spring oscillator system can not displace in the motion process or under the action of external force.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740605.8A CN107340667B (en) | 2017-08-25 | 2017-08-25 | Anti-shake miniature cradle head integrated with camera module |
| PCT/CN2017/100961 WO2019037159A1 (en) | 2017-08-25 | 2017-09-08 | Anti-shaking miniature pan-tilt integrated with camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740605.8A CN107340667B (en) | 2017-08-25 | 2017-08-25 | Anti-shake miniature cradle head integrated with camera module |
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| Publication Number | Publication Date |
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| CN107340667A CN107340667A (en) | 2017-11-10 |
| CN107340667B true CN107340667B (en) | 2020-04-21 |
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| CN201710740605.8A Active CN107340667B (en) | 2017-08-25 | 2017-08-25 | Anti-shake miniature cradle head integrated with camera module |
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| WO (1) | WO2019037159A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11880128B2 (en) | 2021-07-27 | 2024-01-23 | Vista Innotech Limited | Non-sensor type closed-loop stabilization control algorithm and application circuit thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500479B (en) * | 2018-05-18 | 2022-01-11 | 高瞻创新科技有限公司 | Anti-shake miniature cradle head capable of driving camera module |
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| CN107340667A (en) | 2017-11-10 |
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