CN211266959U - Camera module, camera device and electronic equipment - Google Patents
Camera module, camera device and electronic equipment Download PDFInfo
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- CN211266959U CN211266959U CN202020168121.8U CN202020168121U CN211266959U CN 211266959 U CN211266959 U CN 211266959U CN 202020168121 U CN202020168121 U CN 202020168121U CN 211266959 U CN211266959 U CN 211266959U
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Abstract
The utility model relates to a camera module, which comprises a bracket, a substrate, a first anti-shake component, a photosensitive element, a second anti-shake component and a lens; the bracket comprises a first surface, a second surface and a through hole which penetrates through the first surface and the second surface, wherein the first surface and the second surface are arranged oppositely; the substrate is positioned in the through hole and can be horizontally moved and rotatably connected with the bracket; the photosensitive element is arranged on the substrate and is opposite to the through hole; the first anti-shake component comprises a first movable part arranged on the substrate, and can drive the substrate photosensitive element to move on a plane vertical to the optical axis of the lens and rotate around the optical axis, and drive the photosensitive element to move on the plane vertical to the optical axis and rotate around the optical axis so as to compensate image blurring caused by shaking; the lens is arranged on the second anti-shake component and is opposite to the through hole; the second anti-shake component is arranged on the second surface of the bracket; the second anti-shake component can drive the lens to rotate on a plane vertical to the optical axis so as to compensate image blurring caused by shaking.
Description
Technical Field
The utility model relates to an optics anti-shake field, concretely relates to camera module, camera device and electronic equipment.
Background
The existing optical anti-shake system mainly comprises two compensation modes of shift/tilt, the anti-shake function can only realize two-axis anti-shake, the use scene of the camera device is usually complex, besides simple translation and swing, the camera device also has shake such as rotation around an optical axis, and the existing camera device can not meet the anti-shake requirements of different scenes, for example, the requirements of long-range and close-range shooting anti-shake are different.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a camera module having excellent anti-shake performance, which can start different anti-shake functions according to different shooting environments.
In addition, it is necessary to provide an imaging apparatus.
In addition, it is necessary to provide an electronic device.
A camera module comprises a bracket, a substrate, a first anti-shake component, a photosensitive element, a second anti-shake component and a lens;
the bracket comprises a first surface, a second surface and a through hole, wherein the first surface and the second surface are arranged oppositely, and the through hole penetrates through the first surface and the second surface;
the substrate is positioned in the through hole and can be connected to the bracket in a translation and rotating manner;
the photosensitive element is arranged on the substrate and is opposite to the through hole;
the first anti-shake component comprises a first movable part arranged on the substrate, and the first anti-shake component can drive the substrate photosensitive element to move on a plane perpendicular to the optical axis of the lens and rotate around the optical axis of the lens, so as to drive the photosensitive element to move on the plane perpendicular to the optical axis of the lens and rotate around the optical axis of the lens, and compensate image blurring caused by shaking;
the lens is arranged on the second anti-shake component and is opposite to the through hole;
the second anti-shake assembly is mounted on a second surface of the bracket; the second anti-shake component can drive the lens to rotate on a plane perpendicular to the optical axis of the lens so as to compensate image blurring caused by shaking.
Make the camera module can realize five anti-shake functions like this, have excellent anti-shake performance, can also start different anti-shake functions according to different shooting environments.
Wherein the first movable part comprises a first moving assembly, a second moving assembly, a third moving assembly and a fourth moving assembly; the first moving assembly and the third moving assembly are oppositely arranged along a first direction; the second moving assembly and the fourth moving assembly are oppositely arranged along a second direction; the first moving assembly, the second moving assembly, the third moving assembly and the fourth moving assembly are arranged around the photosensitive element; the first moving assembly and the third moving assembly are used for driving the substrate and further driving the photosensitive element arranged on the substrate to translate in a first direction; the second moving assembly and the fourth moving assembly are used for driving the substrate and further driving the photosensitive element arranged on the substrate to translate in a second direction; the first moving assembly, the second moving assembly, the third moving assembly and the fourth moving assembly are used for driving the substrate together, and further driving the photosensitive element arranged on the substrate to rotate around an optical axis; wherein the first direction and the second direction are perpendicular, and both the first direction and the second direction are perpendicular to the optical axis. The planar translation of first direction, second direction and the rotation of optical axis are controlled through four removal subassemblies for photosensitive element's position and angular adjustment are more accurate, and the anti-shake performance of camera module is better.
Wherein the first anti-shake assembly further comprises a first magnet; the first magnet is arranged on the inner wall of the bracket; the first moving assembly includes a first coil and a second coil, the first coil and the second coil being aligned in the second direction; the second moving assembly comprises a third coil and a fourth coil; the third coil and the fourth coil are aligned in the first direction, and the third moving assembly includes a fifth coil and a sixth coil; the fifth coil and the sixth coil are arranged in the second direction; the fourth moving assembly comprises a seventh coil and an eighth coil; the seventh coil and the eighth coil are arranged in the first direction; the first coil, the second coil, the third coil, the fourth coil, the fifth coil, the sixth coil, the seventh coil, and the eighth coil are all located in the magnetic field of the first magnet. Through the translation of eight coil control first direction, second direction plane and the rotation of optical axis for photosensitive element's position and angular adjustment are more accurate, and the anti-shake performance of camera module is better.
Wherein the substrate comprises a bearing part and a suspension part; at least one suspension part is respectively arranged at two opposite ends of the bearing part; the hanging part is made of flexible materials and is hung on the inner wall of the support. The substrate combined by the soft and hard materials can be suspended better, and the anti-shaking function is better.
Wherein, the suspension part is a flexible circuit board. The suspension part adopts a flexible circuit board, and is combined with the traditional circuit board of the bearing part, so that the circuit board can bear components and parts, has a foldable function and is favorable for miniaturization of the camera module.
And the first anti-shake assembly and the second anti-shake assembly are both voice coil motors. The voice coil motor can be used for more accurately adjusting the position and the angle of the lens and/or the photosensitive element, so that the camera module has a better anti-shake function.
Wherein the second anti-shake assembly comprises a housing and an actuator disposed within the housing; the actuator comprises a ninth coil, a second magnet, a second movable part and a fixed part; the ninth coil and the lens are both provided on the second movable portion; the ninth coil is arranged opposite to the second magnet and is positioned in the magnetic field of the second magnet; the second magnet is arranged on the fixed part; the second movable part is movably mounted on the fixed part; the fixing part is arranged in the shell; the ninth coil is used for driving the second movable part, and further driving the lens to rotate on a plane vertical to the optical axis. Therefore, the rotation of the first direction and the rotation of the second direction can be compensated better, and the camera module has better anti-shake performance.
Wherein the actuator comprises four sets of the ninth coil and the second magnet; the two sets of the ninth coils and the second magnet are oppositely arranged in the first direction and used for controlling the swing of the lens in the first direction; the other two sets of the ninth coils and the second magnet are oppositely arranged in a second direction and used for controlling the swing of the lens in the second direction, and the first direction and the second direction form a plane perpendicular to the optical axis. The four groups of coils and the magnets can more accurately adjust the angle of the lens, so that the camera module has better anti-shake performance.
The first anti-shake component and the second anti-shake component are integrated on the same voice coil motor, and the support and the shell are integrated to form the shell of the voice coil motor. With first anti-shake subassembly and the integration of second anti-shake subassembly at a voice coil motor, be favorable to dwindling the volume of camera module.
The camera module comprises an optical filter; the optical filter is positioned between the photosensitive element and the lens. The optical filter can filter light with certain wavelength, only allows light with certain wavelength to pass through, can reduce part of ghost image stray light, and can also play a certain protection role on the photosensitive element.
The utility model also provides a camera device, which comprises a gyroscope, a processor, an IOS driver, a first sensor, a second sensor and the camera module; the gyroscope is arranged on the second movable part, is electrically connected with the processor and is used for detecting the lens shaking information and transmitting the shaking information to the processor; the processor is arranged on the substrate, is electrically connected with the IOS driver, and is used for receiving the lens shaking information from the gyroscope, calculating the displacement required to be compensated by the lens and the photosensitive element, and sending the displacement required to be compensated to the IOS driver; the IOS driver is arranged on the substrate, is respectively and electrically connected with the first sensor, the second sensor, the first anti-shake component and the second anti-shake component, and is used for driving the first anti-shake component and the second anti-shake component to move according to the displacement amount required to be compensated so as to compensate the image blur caused by the lens shake; the first sensor is arranged on the second movable part and used for detecting the position of the lens and feeding back the position information of the detected lens to the IOS driver to form closed-loop control; the second sensor is arranged on the substrate and used for detecting the position of the photosensitive element and feeding back the detected position information of the photosensitive element to the IOS driver to form closed-loop control.
The utility model also provides an electronic device, which comprises a device main body and the camera device; the image pickup device is mounted on the apparatus main body, and a lens of the image pickup device is exposed from the apparatus main body.
Therefore, the utility model discloses a camera module it has excellent five-axis anti-shake performance, can start different anti-shake functions according to the different shooting environment.
Drawings
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a camera module according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the components on the substrate of the camera module according to the embodiment of the present invention.
Fig. 3 is the utility model discloses when the camera module starts X axle translation anti-shake, the current direction and the atress schematic diagram of the coil of first anti-shake subassembly.
Fig. 4 is the utility model discloses when camera module starts Y axle translation anti-shake, the current direction and the atress schematic diagram of the coil of first anti-shake subassembly.
Fig. 5 is the utility model discloses when camera module starts the rotatory anti-shake of Z axle, the current direction and the atress schematic diagram of the coil of first anti-shake subassembly.
Fig. 6 is a schematic structural diagram of a camera module according to another embodiment of the present invention.
Fig. 7 is a schematic structural diagram of an image pickup apparatus according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Optical image stabilization (IOS) refers to the arrangement of Optical components, such as a lens, in a camera or other similar imaging devices to avoid or reduce the shaking phenomenon of the device during capturing Optical signals, thereby improving the imaging quality. The optical anti-shake is to avoid the instability of the image caused by shake of an operator in the use process to the maximum extent through a special lens or a CCD photosensitive element structure.
The movement of the lens is mainly divided into translation perpendicular to the plane of the optical axis (i.e., the plane of the photosensitive element), rotation or wobbling (Pitch direction) about a first direction (X-axis direction in fig. 3 to 5), rotation or wobbling (Yaw direction) about a second direction (Y-axis direction in fig. 3 to 5), and rotation about the optical axis. The first direction is perpendicular to the second direction, and the first direction and the second direction form a plane perpendicular to the optical axis.
Referring to fig. 1, an embodiment of the present invention provides a camera module 100, which includes a bracket 10, a substrate 30, a first anti-shake assembly 50, a photosensitive element 70, a second anti-shake assembly 80, and a lens 90.
In some embodiments, the stent 10 includes a first surface 11, a second surface 13, and a through-hole 15 extending through the first surface 11 toward the second surface 13. The through-hole 15 includes a first hole 151, a second hole 152, a third hole 153, a fourth hole 154, and a fifth hole 155, which are coaxially arranged in order. Wherein the first hole 151 is adjacent to the first surface 11 and the fifth hole 155 is adjacent to the second surface 13. The equivalent diameter of the first hole 151 is larger than that of the second hole 152. The equivalent diameter of the second hole 152 is larger than the equivalent diameter of the third hole 153. The equivalent diameter of the third hole 153 is larger than the equivalent diameters of the fourth and fifth holes 154 and 155, respectively. In one embodiment, the first hole 151, the second hole 152, the third hole 153, the fourth hole 154, and the fifth hole 155 are all round holes. In another embodiment, the first hole 151, the second hole 152, the third hole 153, the fourth hole 154, and the fifth hole 155 are square holes. The first hole 151 and the second hole 152 constitute a first stepped hole. The second hole 152 and the third hole 153 constitute a second stepped hole. The fourth hole 154 and the fifth hole 155 constitute a third stepped hole. In some embodiments, the equivalent diameter of the fourth aperture 154 is greater than the equivalent diameter of the fifth aperture 155 (as shown in fig. 6). In other embodiments, the equivalent diameter of the fourth aperture 154 is less than the equivalent diameter of the fifth aperture 155 (as shown in FIG. 1).
The utility model discloses an "equivalent diameter" refers to equivalent circle diameter, specifically refers to anomalous geometry, the diameter of the same circle of its girth.
In some embodiments, the base plate 30 is disposed in the through hole 15 of the bracket 10, and the base plate 30 is translatably and rotatably connected to the inner wall of the bracket 10. The substrate 30 may translate and rotate within the through-hole 15 when subjected to a force. Specifically, the substrate 30 is positioned in the second hole 152, and both ends of the substrate 30 are suspended from the inner wall of the second hole 152 by the flexible circuit board. In some embodiments, the substrate 30 includes a bearing portion 31 and a hanging portion 33, and at least one hanging portion 33 is respectively disposed at two opposite ends of the bearing portion 31. The carrier 31 is a Printed Circuit Board (PCB) for carrying electronic components. The suspension portion 33 is a Flexible Printed Circuit Board (FPCB) for suspending the substrate 30 on the inner wall of the through hole 15 of the holder 10. In other embodiments, the hanging portion 33 may be made of other flexible materials, as long as the substrate 30 can be suspended in the air so that the substrate 30 can be displaced in the through hole 15.
A Rigid Flexible Printed Circuit (RFPC) is used as the substrate 30, and is composed of a conventional Printed Circuit Board (PCB Board) and a Flexible Printed Circuit Board (FPCB). The PCB part (hard board part) has certain thickness and strength, can be provided with electronic elements and bear certain mechanical force, and the soft board part can ensure that the circuit board can be partially bent, thereby realizing three-dimensional installation.
A Flexible Printed Circuit Board (FPCB) is a highly reliable and excellent Flexible Printed Circuit Board made of polyimide or polyester film as a base material. The high-density light-weight LED lamp has the characteristics of high wiring density, light weight, thin thickness and good bending property. The flexible circuit board is also called as a flexible circuit board or a flexible circuit board, and has the excellent characteristics of light weight, thin thickness, free bending and folding, and the like.
The light sensing element 70 is disposed on the substrate 30 opposite to the lens 90 and can receive light from the lens 90.
The photosensitive element 70 of the present invention may be a photosensitive coupling element (CCD) or a Complementary Metal-Oxide Semiconductor (cmos) element.
The first anti-shake assembly 50 is disposed on the substrate 30, and is configured to drive the substrate 30 to move in a plane formed by the first direction and the second direction and rotate around the optical axis, so as to drive the photosensitive element 70 to move in the plane formed by the first direction and the second direction and rotate around the optical axis, so as to compensate for movement of the lens 90 in the plane formed by the first direction and the second direction and image blur caused by rotation around the optical axis. In the embodiment of the present invention, the plane on which the photosensitive element 70 is located is a plane formed by the first direction and the second direction.
Referring to fig. 1 and 2, specifically, the first anti-shake assembly 50 is a voice coil motor, and includes a first movable portion 501 and a first magnet 59. The first movable portion 501 is disposed on the substrate 30 and is located in the magnetic field of the first magnet 59. The first magnet 59 is disposed on the inner wall of the holder 10. The first movable portion 501 includes a first mobile component 5011, a second mobile component 5012, a third mobile component 5013, and a fourth mobile component 5014; the first and third moving assemblies 5011 and 5013 are oppositely disposed along a first direction; the second and fourth moving assemblies 5012 and 5014 are oppositely disposed along a second direction; the first moving assembly 5011, the second moving assembly 5012, the third moving assembly 5013 and the fourth moving assembly 5014 are arranged around the periphery of the photosensitive element 70; the first moving assembly 5011 and the third moving assembly 5013 are configured to drive the substrate 30 and further drive the photosensitive element 70 disposed on the substrate 30 to translate in a first direction; the second moving assembly 5012 and the fourth moving assembly 5014 are configured to drive the substrate 30 and further drive the photosensitive element 70 disposed on the substrate 30 to translate in the second direction; the first moving assembly 5011, the second moving assembly 5012, the third moving assembly 5013 and the fourth moving assembly 5014 are jointly used for driving the substrate 30 and further driving the photosensitive element 70 arranged on the substrate 30 to rotate around the optical axis; the first direction and the second direction are perpendicular to each other, and the first direction and the second direction are perpendicular to the optical axis.
A Voice Coil Motor (VCM), which is a device for converting electrical energy into mechanical energy, is used to implement linear and limited swing motion. Means for producing regular movement by interaction between the magnetic field from the permanent magnet and the poles of the magnetic field produced by the conductor of the energized coil.
Referring to fig. 2, in some embodiments, the first moving assembly 5011 includes a first coil 51 and a second coil 52, the first coil 51 and the second coil 52 being arranged along a second direction; the second mobile assembly 5012 includes a third coil 53 and a fourth coil 54, the third coil 53 and the fourth coil 54 being aligned in a first direction, and the third mobile assembly 5013 includes a fifth coil 55 and a sixth coil 56; the fifth coil 55 and the sixth coil 56 are arranged in the second direction; the fourth moving assembly 5014 includes a seventh coil 57 and an eighth coil 58; the seventh coil 57 and the eighth coil 58 are arranged in the first direction; the first coil 51, the second coil 52, the third coil 53, the fourth coil 54, the fifth coil 55, the sixth coil 56, the seventh coil 57, and the eighth coil 58 are all located in the magnetic field of the first magnet.
In a particular embodiment, the first coil 51, the second coil 52, the third coil 53, the fourth coil 54, the fifth coil 55, the sixth coil 56, the seventh coil 57, the eighth coil 58, and the first magnet 59 are all located within the second bore 152. A first coil 51, a second coil 52, a third coil 53, a fourth coil 54, a fifth coil 55, a sixth coil 56, a seventh coil 57, and an eighth coil 58 are provided on the substrate 30, and a first magnet 59 is provided directly above the first coil 51, the second coil 52, the third coil 53, the fourth coil 54, the fifth coil 55, the sixth coil 56, the seventh coil 57, and the eighth coil 58 and on a shoulder of the second stepped hole 152.
Referring to fig. 2, in one embodiment, the rectangular structure includes a first side, a second side, a third side, and a fourth side. The first coil 51 and the second coil 52 are disposed at intervals on a first side, the third coil 53 and the fourth coil 54 are disposed at intervals on a second side, the fifth coil 55 and the sixth coil 56 are disposed at intervals on a third side, and the seventh coil 57 and the eighth coil 58 are disposed at intervals on a fourth side. The first coil 51 and the second coil 52 are respectively arranged opposite to the fifth coil 55 and the sixth coil 56 in pairs, and are used for controlling the translation of the photosensitive element 70 in the first direction. The third coil 53 and the fourth coil 54 are respectively arranged opposite to the seventh coil 57 and the eighth coil 58 in pairs, and are used for controlling the translation of the photosensitive element 70 in the second direction. The first coil 51, the second coil 52, the third coil 53, the fourth coil 54, the fifth coil 55, the sixth coil 56, the seventh coil 57, and the eighth coil 58 collectively control the rotation of the photosensitive element 70 in the optical axis direction.
Referring to fig. 3, when the camera module 100 needs to compensate for the first direction translation, for example, the photosensitive element 70 needs to be controlled to translate in the positive X-axis direction (right side of the X-axis in fig. 3) in fig. 3, a clockwise rotating current is applied to the first coil 51 and the second coil 52, and a counterclockwise rotating current is applied to the fifth coil 55 and the sixth coil 56. Due to the interaction between the first magnet 59 and the conductive coils (the first coil 51, the second coil 52, the fifth coil 55, and the sixth coil 56), the coils drive the photosensitive element 70 and the substrate 30 to integrally translate along the right side of the X-axis (the X-axis forward direction) in fig. 3. On the contrary, when a current rotating counterclockwise is applied to the first coil 51 and the second coil 52, and a current rotating clockwise is applied to the fifth coil 55 and the sixth coil 56, the entire photosensitive element 70 and the substrate 30 are translated along the left side of the X axis (negative X axis) in fig. 3. In fig. 3, arrow I indicates the direction of current flow, and arrow F indicates the force applied to the coil.
Referring to fig. 4, when the camera module 100 needs to compensate for the second direction translation, for example, the photosensitive element 70 needs to be controlled to translate in the Y-axis forward direction (the arrow direction of the Y-axis in fig. 4) in fig. 4, a clockwise current is applied to the third coil 53 and the fourth coil 54, and a counterclockwise current is applied to the seventh coil 57 and the eighth coil 58, so that the coils drive the photosensitive element 70 and the substrate 30 to move in the Y-axis forward direction integrally. Conversely, when a counterclockwise current is applied to the third coil 53 and the fourth coil 54, and a clockwise current is applied to the seventh coil 57 and the eighth coil 58, the coils will drive the photosensitive element 70 and the substrate 30 to move in the negative Y-axis direction. In fig. 4, arrow I indicates the direction of current flow, and arrow F indicates the force applied to the coil.
Referring to fig. 5, when the camera module 100 is to compensate for the rotation of the optical axis (Z axis in the figure). If the photosensitive element 70 needs to rotate clockwise around the Z axis, a clockwise current is applied to the first coil 51, the third coil 53, the fifth coil 55 and the seventh coil 57, a counterclockwise current is applied to the second coil 52, the fourth coil 54, the sixth coil 56 and the eighth coil 58, the first coil 51 and the sixth coil 56 are forced to move in the positive direction of the X axis, the second coil 52 and the fifth coil 55 are forced to move in the negative direction of the X axis, the third coil 53 and the eighth coil 58 are forced to move in the positive direction of the Y axis, and the fourth coil 54 and the seventh coil 57 are forced to move in the negative direction of the Y axis, so that a torsion force is formed to drive the photosensitive element 70 and the substrate 30 to rotate clockwise around the Z axis. Conversely, when a counterclockwise current is applied to the first coil 51, the third coil 53, the fifth coil 55 and the seventh coil 57, and a clockwise current is applied to the second coil 52, the fourth coil 54, the sixth coil 56 and the eighth coil 58, the first coil 51 and the sixth coil 56 are forced to move in the negative direction of the X axis, the second coil 52 and the fifth coil 55 are forced to move in the positive direction of the X axis, the third coil 53 and the eighth coil 58 are forced to move in the negative direction of the Y axis, and the fourth coil 54 and the seventh coil 57 are forced to move in the positive direction of the Y axis, so as to form a torsional force, and drive the photosensitive element 70 and the substrate 30 to rotate counterclockwise around the Z axis as a whole. In fig. 5, arrow I indicates the direction of current flow, and arrow F indicates the force applied to the coil.
In other embodiments, it is also possible that the first coil 51, the second coil 52, the fifth coil 55 and the sixth coil 56 are used to control the translation of the photosensitive element 70 in the first direction. The third coil 53, the fourth coil 54, the seventh coil 57, and the eighth coil 58 are used to control the translation of the photosensitive element 70 in the second direction.
Referring to fig. 1, in some embodiments, the second anti-shake assembly 80 is mounted on the second surface 13 of the bracket 10. The lens 90 is mounted on the second anti-shake assembly 80 and is opposite to the through hole 15. The second anti-shake assembly 80 is configured to control the lens 90 to swing in the first direction and the second direction to compensate for image blur caused by the swing of the lens in the first direction and the second direction.
The second anti-shake assembly 80 is a voice coil motor. The voice coil motor includes a housing 81 and an actuator 83 disposed within the housing 81. The actuator 83 includes a ninth coil 831, a second magnet 833, a second movable portion 837, and a fixed portion 839. The ninth coil 831 is disposed opposite to the second magnet 833 and is located in the magnetic field of the second magnet 833. The ninth coil 831 and the lens 833 are both provided on the second movable portion 837; the second magnet 833 is disposed on the fixed portion 839; the second movable portion 837 is movably mounted on the fixed portion 839; the fixing portion 839 is disposed in the housing 81; the ninth coil 831 is configured to drive the second movable portion 837, and further drive the lens 90 to rotate on a plane perpendicular to the optical axis. More specifically, the lens 90 is driven by the movement of the ninth coil 831 to swing around the first direction and the second direction to compensate for image blur caused by the first direction and the second direction of the jitter bands of the lens 90.
In some embodiments, actuator 83 includes four sets of ninth coil 831 and second magnet 833 in combination. The two sets of ninth coils 831 and second magnets 833 are oppositely arranged in the first direction and are used for controlling the swing of the lens 90 in the first direction; the other two sets of the ninth coil 831 and the second magnet 833 are oppositely disposed in the second direction for controlling the swing of the lens 90 in the second direction. Image blurring caused by swinging of the lens in the first direction and the second direction can be more accurately prevented through the four groups of coils and the magnets.
Referring to fig. 6, in some embodiments, the first anti-shake assembly 50 and the second anti-shake assembly 80 are integrated into a same vcm, and the support 10 and the housing 81 are integrated into a casing 101 of the vcm. The voice coil motor includes a first coil 51, a second coil 52, a third coil 53, a fourth coil 54, a fifth coil 55, a sixth coil 56, a seventh coil 57, an eighth coil 58, a ninth coil 831, a first magnet 59, and a second magnet 833. The first coil 51, the second coil 52, the third coil 53, the fourth coil 54, the fifth coil 55, the sixth coil 56, the seventh coil 57, and the eighth coil 58 are all located in the magnetic field of the first magnet 59, and the ninth coil 831 is located in the magnetic field of the second magnet 833. The holder 10 and the case 81 are integrated to constitute a housing of the voice coil motor. The positions, functions and connection relationships of other components are the same as those in the above embodiments, and are not described again here. With first anti-shake subassembly and the integration of second anti-shake subassembly at a voice coil motor, be favorable to dwindling the volume of camera module.
In some embodiments, a magnetic field shield (not shown) is disposed between the first magnet 59 and the second magnet 833 to avoid interference between the magnetic fields of the first magnet 59 and the second magnet 833.
In some embodiments, the camera module 100 of the present invention further includes a filter 20. The filter 20 is positioned between the photosensitive element 70 and the lens 90 and is disposed on a shoulder where the fourth hole 154 and the fifth hole 155 form a third stepped hole. The optical filter 20 can filter out light with certain wavelengths, only allow light with certain wavelengths to pass through, can reduce part of ghost image stray light, and can also play a certain role in protecting photosensitive elements. In the embodiment of the present invention, the optical filter 20 is an infrared filter, which can filter out the light of the infrared band and allow the light of other bands to pass through.
Referring to fig. 1, in an embodiment, when the first anti-shake assembly 50 and the second anti-shake assembly 80 are independent voice coil motors, the size of the fourth hole 154 is smaller than that of the fifth hole 155, and the filter 20 is located in the third stepped hole formed by the fourth hole 154 and the fifth hole 155.
Referring to fig. 6, in an embodiment, when the first anti-shake assembly 50 and the second anti-shake assembly 80 are integrated in a voice coil motor, the size of the fourth hole 154 is larger than that of the fifth hole 155, and the filter 20 is located in the third stepped hole formed by the fourth hole 154 and the fifth hole 155.
In some embodiments, the camera module 100 of the present invention further includes a cover plate 40, wherein the cover plate 40 is located in the first hole 151 and is disposed on a shoulder of the first stepped hole 151. The cover 40 is flush with the first face 11 and seals the end of the through-hole 15 adjacent to the first face 11. The cover plate 40 is spaced apart from the base plate 30.
The utility model discloses a camera module 100 is when shooting the long-range view, if camera lens 90 sways or sways around the second direction around the first direction, then can lead to the influence skew obvious, the offset range is big, at this moment, can start second anti-shake subassembly 80 to the compensation is swayd or is swayd the image blurring that causes around the second direction around the first direction. When shooting a close shot, if the lens 90 translates along a plane formed by the first direction and the second direction and rotates around the optical axis, the effect of the shift is obvious and the shift range is large, and at this time, the first anti-shake assembly 50 may be activated to compensate for the image blur caused by the movement of the plane in the first direction and the second direction or the swing around the optical axis. Furthermore, the utility model discloses a camera module 100 can also start first anti-shake subassembly 50 and second anti-shake subassembly 80 simultaneously to the image that the various shake of compensation camera module 100 caused is fuzzy.
The utility model discloses a camera module 100 possesses five anti-shake functions. It can start different anti-shake functions according to different shooting environments, and the anti-shake performance is excellent.
Referring to fig. 7, the present invention further provides a camera device 200, which includes a gyroscope 210, a processor 230, an IOS driver 250, a first sensor 270, a second sensor 280, and the camera module 100 of the present invention. The gyroscope 210 is disposed on the second movable portion 837, and is electrically connected to the processor 230, and is configured to detect shake information of the lens 90 and transmit the shake information to the processor 230; the processor 230 is disposed on the substrate 30 and electrically connected to the IOS driver 250, and is configured to receive the shake information of the lens 90 from the gyroscope 210, calculate a displacement amount that needs to be compensated for by the lens 90 and the photosensitive element 70, and send the displacement amount that needs to be compensated to the IOS driver 250. The IOS driver 250 is disposed on the substrate 30, and is electrically connected to the first sensor 270, the second sensor 280, the first anti-shake assembly 50, and the second anti-shake assembly 80, respectively, for driving the first anti-shake assembly 50 and the second anti-shake assembly 80 to move according to a displacement amount to be compensated, so as to compensate for an image blur caused by the shake of the lens 90; the first sensor 270 is disposed on the second movable portion 837, and is configured to detect a position of the lens 90, and feed back position information of the detected lens 90 to the IOS driver 250 to form a closed-loop control; the second sensor 280 is disposed on the substrate 30 for detecting the position of the photosensitive element 70, and feeding back the detected position information of the photosensitive element 70 to the IOS driver 250 to form a closed-loop control.
In the present embodiment, the first sensor 270 and the second sensor 280 are both hall sensors. A hall sensor is a magnetic field sensor made according to the hall effect.
Referring to fig. 8, the present invention further provides an electronic device 300, wherein the electronic device 300 includes a device main body 310 and the image capturing apparatus 200 of the present invention. The image pickup device 200 is mounted on the apparatus body 310, and the lens 90 of the image pickup device 200 is exposed from the apparatus body 310.
The utility model discloses an electronic equipment 300 includes but not limited to computer, notebook computer, panel computer, cell-phone, camera, intelligent bracelet, intelligent wrist-watch, intelligent glasses etc..
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A camera module is characterized by comprising a bracket, a substrate, a first anti-shake component, a photosensitive element, a second anti-shake component and a lens;
the bracket comprises a first surface, a second surface and a through hole, wherein the first surface and the second surface are arranged oppositely, and the through hole penetrates through the first surface and the second surface;
the substrate is positioned in the through hole and can be connected to the bracket in a translation and rotating manner;
the photosensitive element is arranged on the substrate and is opposite to the through hole;
the first anti-shake component comprises a first movable part arranged on the substrate, and can drive the substrate to move on a plane perpendicular to the optical axis of the lens and rotate around the optical axis of the lens, so as to drive the photosensitive element to move on the plane perpendicular to the optical axis of the lens and rotate around the optical axis of the lens, and thus image blurring caused by shaking is compensated;
the lens is arranged on the second anti-shake component and is opposite to the through hole;
the second anti-shake assembly is mounted on a second surface of the bracket; the second anti-shake component can drive the lens to rotate on a plane perpendicular to the optical axis of the lens so as to compensate image blurring caused by shaking.
2. The camera module according to claim 1, wherein the first movable portion comprises a first moving assembly, a second moving assembly, a third moving assembly and a fourth moving assembly; the first moving assembly and the third moving assembly are oppositely arranged along a first direction; the second moving assembly and the fourth moving assembly are oppositely arranged along a second direction; the first moving assembly, the second moving assembly, the third moving assembly and the fourth moving assembly are arranged around the photosensitive element; the first moving assembly and the third moving assembly are used for driving the substrate and further driving the photosensitive element arranged on the substrate to translate in a first direction; the second moving assembly and the fourth moving assembly are used for driving the substrate and further driving the photosensitive element arranged on the substrate to translate in a second direction; the first moving assembly, the second moving assembly, the third moving assembly and the fourth moving assembly are used for driving the substrate together, and further driving the photosensitive element arranged on the substrate to rotate around an optical axis; wherein the first direction and the second direction are perpendicular, and both the first direction and the second direction are perpendicular to the optical axis.
3. The camera module of claim 2, wherein the first anti-shake assembly further comprises a first magnet; the first magnet is arranged on the inner wall of the bracket; the first moving assembly includes a first coil and a second coil, the first coil and the second coil being aligned in the second direction; the second moving assembly comprises a third coil and a fourth coil; the third coil and the fourth coil are aligned in the first direction, and the third moving assembly includes a fifth coil and a sixth coil; the fifth coil and the sixth coil are arranged in the second direction; the fourth moving assembly comprises a seventh coil and an eighth coil; the seventh coil and the eighth coil are arranged in the first direction; the first coil, the second coil, the third coil, the fourth coil, the fifth coil, the sixth coil, the seventh coil, and the eighth coil are all located in the magnetic field of the first magnet.
4. The camera module of claim 1, wherein the base plate includes a carrier portion and a suspension portion; at least one suspension part is respectively arranged at two opposite ends of the bearing part; the hanging part is made of flexible materials and is hung on the inner wall of the support.
5. The camera module of claim 4, wherein the suspension portion is a flexible circuit board.
6. The camera module of claim 1, wherein the first anti-shake assembly and the second anti-shake assembly are each a voice coil motor.
7. The camera module of claim 1, wherein the second anti-shake assembly comprises a housing and an actuator disposed within the housing; the actuator comprises a ninth coil, a second magnet, a second movable part and a fixed part; the ninth coil and the lens are both provided on the second movable portion; the ninth coil is arranged opposite to the second magnet and is positioned in the magnetic field of the second magnet; the second magnet is arranged on the fixed part; the second movable part is movably mounted on the fixed part; the fixing part is arranged in the shell; the ninth coil is used for driving the second movable part, and further driving the lens to rotate on a plane vertical to the optical axis.
8. The camera module of claim 7, wherein said actuator comprises four sets of said ninth coil and said second magnet; the two sets of the ninth coils and the second magnet are oppositely arranged in the first direction and used for controlling the swing of the lens in the first direction; the other two sets of the ninth coils and the second magnet are oppositely arranged in a second direction and used for controlling the swing of the lens in the second direction, and the first direction and the second direction form a plane perpendicular to the optical axis.
9. The camera module according to claim 7, wherein the first anti-shake assembly and the second anti-shake assembly are integrated into a same voice coil motor, and the bracket and the housing are integrated to form a housing of the voice coil motor.
10. The camera module of claim 1, wherein the camera module comprises a filter; the optical filter is positioned between the photosensitive element and the lens.
11. A camera device, comprising a gyroscope, a processor, an IOS driver, a first sensor, a second sensor, and the camera module of any of claims 1-10; the gyroscope is arranged on the second movable part, is electrically connected with the processor and is used for detecting the lens shaking information and transmitting the shaking information to the processor; the processor is arranged on the substrate, is electrically connected with the IOS driver, and is used for receiving the lens shaking information from the gyroscope, calculating the displacement required to be compensated by the lens and the photosensitive element, and sending the displacement required to be compensated to the IOS driver; the IOS driver is arranged on the substrate, is respectively and electrically connected with the first sensor, the second sensor, the first anti-shake component and the second anti-shake component, and is used for driving the first anti-shake component and the second anti-shake component to move according to the displacement amount required to be compensated so as to compensate the image blur caused by the lens shake; the first sensor is arranged on the second movable part and used for detecting the position of the lens and feeding back the position information of the detected lens to the IOS driver to form closed-loop control; the second sensor is arranged on the substrate and used for detecting the position of the photosensitive element and feeding back the detected position information of the photosensitive element to the IOS driver to form closed-loop control.
12. An electronic apparatus characterized by comprising an apparatus main body and the image pickup device according to claim 11; the image pickup device is mounted on the apparatus main body, and a lens of the image pickup device is exposed from the apparatus main body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020168121.8U CN211266959U (en) | 2020-02-13 | 2020-02-13 | Camera module, camera device and electronic equipment |
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| CN202020168121.8U CN211266959U (en) | 2020-02-13 | 2020-02-13 | Camera module, camera device and electronic equipment |
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| CN202020168121.8U Active CN211266959U (en) | 2020-02-13 | 2020-02-13 | Camera module, camera device and electronic equipment |
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