CN112804423A - Camera module and electronic equipment - Google Patents
Camera module and electronic equipment Download PDFInfo
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- CN112804423A CN112804423A CN202011607259.4A CN202011607259A CN112804423A CN 112804423 A CN112804423 A CN 112804423A CN 202011607259 A CN202011607259 A CN 202011607259A CN 112804423 A CN112804423 A CN 112804423A
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- lens assembly
- camera module
- driving
- supporting
- piece
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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
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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
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6815—Motion detection by distinguishing pan or tilt from motion
Abstract
The application discloses camera module and electronic equipment. The camera module comprises a support frame, a lens assembly, a plurality of sliding channels, a driving assembly and a plurality of transmission pieces, wherein the transmission pieces can drive the lens assembly to rotate by taking the connecting point of the lens assembly and the support frame as a fulcrum. According to the method and the device, the shaking compensation in the X-Z axis and Y-Z axis directions can be realized by adopting a mechanical mechanism, the virtual image of the photo is reduced, and meanwhile, the problems that the shaking prevention effect is easily influenced by the surrounding magnetic field and the mobile phone signals are influenced by electromagnetic interference in an electromagnetic driving mode are avoided.
Description
Technical Field
The application relates to the technical field of camera equipment, in particular to a camera module and electronic equipment.
Background
In the related art, the camera anti-shake technology mainly includes an electronic anti-shake technology, an optical anti-shake technology, a pan-tilt anti-shake technology, and the like.
The tripod head anti-shake technology is characterized in that a CMOS and a lens group are packaged in a double-ball suspension frame and then are installed on a magnetic power frame, and two pairs of balls are matched with a cross support to enable the lens group to complete flexible double-shaft rotation on an X shaft and a Y shaft, so that a three-dimensional anti-shake effect is achieved.
Because the tripod head anti-shake technology adopts electromagnetic drive, the anti-shake effect is easily influenced by the surrounding magnetic field, and meanwhile, the electromagnetic drive tripod head anti-shake device also generates a lot of electromagnetic interference to influence the signals of the electronic equipment.
Disclosure of Invention
The application discloses camera module and electronic equipment to improve the camera module and produce the ghost that the swing brought and the problem that cloud platform anti-shake device electromagnetic interference influences the cell-phone signal among the prior art in X axle-Z axle, Y axle-Z axle direction.
In order to solve the above problems, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a camera module, including: a support frame; the lens assembly is movably connected with the support frame; the sliding channels are arranged in the supporting frame, and any one of the sliding channels is obliquely arranged from one side departing from the lens assembly to the direction close to the lens assembly; the driving assembly is arranged on the supporting frame; the driving component can drive any one of the transmission components to move between a first position and a second position in the sliding channel, and the second position is close to the lens component compared with the first position; when the transmission piece moves between the first position and the second position, the transmission piece can drive the lens assembly to rotate by taking the connecting point of the lens assembly and the supporting frame as a fulcrum.
In a second aspect, an embodiment of the present application provides an electronic device, including: the camera module comprises a shake sensor used for detecting shake parameters of the electronic equipment and the camera module, and a control device used for determining a first deviation angle of the electronic equipment according to the shake parameters and focusing parameters, determining target motion parameters of a driving piece of the camera module according to the first deviation angle, and controlling the driving piece to work according to the target motion parameters.
In the embodiment that this application provided, the camera module includes support frame, camera lens subassembly, a plurality of sliding channel, drive assembly and a plurality of driving medium. In particular, the drive assembly applies a driving force to the driving member, which moves between a first position to a second position. When the transmission piece moves from the first position to the second position, the driving force from the transmission piece received by the lens assembly is increased, the transmission piece transmits the received driving force to the lens assembly, and the driving lens assembly correspondingly rotates to the target position by taking the connecting point of the lens assembly and the supporting frame as a fulcrum. Accordingly, when the transmission member moves from the second position to the first position, the driving force applied to the lens assembly from the transmission member is reduced, so that the lens assembly moves to the initial state. Through the linkage between drive assembly, the driving medium to realized the accurate and nimble effect of moving of camera, effectively avoided the photo ghost, improved the formation of image picture quality. The driving mode of driving the camera to swing by the mechanical structure thoroughly solves the problems that the anti-shake effect is easily influenced by the surrounding magnetic field and the electromagnetic interference influences the mobile phone signals in the electromagnetic driving mode while realizing the shake compensation in the directions of an X axis-Z axis and a Y axis-Z axis during photographing. Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an exploded schematic view of a camera module according to an embodiment of the present application;
fig. 2 is a schematic view of a camera module according to an embodiment of the present disclosure;
fig. 3 is a second schematic view of a camera module according to an embodiment of the present application;
fig. 4 is a third schematic view of a camera module according to an embodiment of the present application;
fig. 5 is a fourth schematic view of a camera module according to an embodiment of the present application;
fig. 6 is a fifth schematic view of a camera module according to an embodiment of the present application;
FIG. 7 is a block diagram of an electronic device of an embodiment of the application;
fig. 8 is a schematic flowchart of an anti-shake method according to an embodiment of the present application;
fig. 9 is a second flowchart of an anti-shake method according to an embodiment of the present application;
fig. 10 is a third schematic flowchart of an anti-shaking method according to an embodiment of the present application;
FIG. 11 is a fourth flowchart illustrating an anti-shaking method according to an embodiment of the present application;
fig. 12 is a fifth flowchart illustrating an anti-shake method according to an embodiment of the present application;
FIG. 13 is a sixth flowchart illustrating an anti-shaking method according to an embodiment of the present application;
fig. 14 is a seventh schematic flowchart of an anti-shaking method according to an embodiment of the present application;
fig. 15 is a hardware block diagram of an anti-shake apparatus system of an embodiment of the present application;
fig. 16 is a block diagram of an electronic device according to an embodiment of the present application.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 16 is:
100 camera module, 110 support bracket, 112 support wall, 114 partition, 116 ball head connector, 118 sliding channel, 120 support seat, 122 driver housing seat, 124 through groove, 126 first mounting groove, 128 second mounting groove, 130 lens component, 40 driving component, 142 cam, 140 driver, 150 driver, 152 retainer, 154 jacking component, 156 retainer groove, 160 return component, 170 support component, 200 shake sensor, 300 control device, 400 electronic equipment, 502 processor, 504 memory, 500 electronic equipment.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The camera module 100 provided in the embodiment of the present application is mainly used for electronic devices 400, such as mobile phones, wearable devices, tablet computers, laptop computers, sports computers, handheld game consoles, video recorders, camcorders, and the like. Of course, the present invention is not limited to the electronic device, and may be applied to other devices requiring shooting.
As shown in fig. 1, a camera module 100 according to an embodiment of the present application includes: a support frame 110; the lens assembly 130, the lens assembly 130 can be movably arranged on the supporting frame 110; the driving member 140 is disposed on the supporting seat 120, and the driving member 140 can rotate relative to the supporting seat 120; a plurality of transmission members 150 located on the backlight side of the lens assembly 130, wherein the driving member 140 can drive any one of the plurality of transmission members 150 to move from the first position to the second position when rotating; the restoring member 160 is disposed between the transmission member 150 and the supporting base 120 to drive the transmission member 150 to move from the second position to the first position; the transmission member 150 can drive the lens assembly 130 to move when the first position and the second position are switched.
The camera module 100 according to the embodiment of the present disclosure includes a supporting frame 110, a lens assembly 130, a driving assembly 40, and a plurality of transmission members 150. Specifically, the drive assembly 40 applies a driving force to the transmission member 150, and the drive transmission member 150 moves between a first position to a second position. When the transmission member 150 moves from the first position to the second position, the driving force of the transmission member 150 received by the lens assembly 130 is increased, the transmission member 150 transmits the received driving force to the lens assembly 130, and the lens assembly 130 is driven to correspondingly rotate to the target position thereof by taking the connection point of the lens assembly 130 and the support frame 110 as a pivot, so that the effect of accurate and flexible movement of the camera is realized, the ghost of the picture is effectively avoided, and the imaging quality is improved. The driving mode of driving the camera to swing by the mechanical structure thoroughly solves the problems that the anti-shake effect is easily influenced by the surrounding magnetic field and the electromagnetic interference influences the mobile phone signals in the electromagnetic driving mode while realizing the shake compensation in the directions of an X axis-Z axis and a Y axis-Z axis during photographing.
Specifically, the sliding channels 118 are disposed in the supporting frame 110, and the transmission members 150 are disposed in the sliding channels, respectively. Therefore, the driving member 150 can be restricted from moving along the corresponding sliding channel 118, and the driving member 150 can be prevented from deviating from the direction while ensuring smooth movement. Any one of the plurality of slide channels 118 is disposed obliquely from a side away from the lens assembly 130 to a side close to the lens assembly 130, that is, the height of the slide channel 118 is gradually changed. Specifically, when the transmission member 150 moves from the first position to the second position, the height of the sliding channel 118 gradually increases, that is, the height of the position where the transmission member 150 is located also gradually increases, so that the transmission member 150 is displaced along the Z-axis direction, and the lens assembly 130 can be lifted. Therefore, the displacement of the jacked-up end of the lens assembly 130 in the Z-axis direction is increased, and the effect of driving the lens assembly 130 to rotate around the connection point of the lens assembly and the supporting frame 110 as a pivot point through the transmission member 150 is achieved.
Further, the first position refers to an initial position of the transmission member 150 when in the initial state, and the second position refers to an operating position in which the transmission member 150 is displaced to drive the lens assembly 130 to move in order to move the lens assembly 130 about the connection point with the support frame 110 as a pivot and reach a target rotation angle, that is, the operating position of the transmission member 150 is related to the target rotation angle of the lens assembly. When the transmission member 150 is located at the second position, the lens assembly 130 can rotate to a target rotation angle.
In some embodiments, the supporting frame 110 includes a supporting wall 112, a partition 114 connected to the supporting wall 112, and a through slot 124, wherein the lens assembly 130 is disposed on the partition 114; a plurality of sliding channels 118 are formed between the supporting seat 120 and the partition 114; a through slot 124 is provided in the spacer 114 in communication with the slide channel 118, and a transmission 150 is capable of driving the lens assembly 130 through the through slot 124 as it moves within the slide channel 118.
Fig. 2 and 3 show a schematic representation of the movement of the transmission member 150 within the sliding channel 118 to drive the movement of the lens assembly 130 in an embodiment of the present application. In the embodiment, a plurality of sliding channels 118 are formed between the supporting seat 120 and the partition 114, and the sliding channels 118 prevent the driving member 150 from deviating while ensuring smooth movement. When the transmission member 150 moves from the first position to the second position, the height of the sliding channel 118 gradually increases, that is, the height of the position where the transmission member 150 is located also gradually increases, so that the transmission member 150 is displaced along the Z-axis direction. The channel 124 is disposed on the partition 114 and is in communication with the sliding channel 118 such that the actuator 150 can pass through the channel 124 to contact the lens assembly 130 and jack the lens assembly 130. Therefore, the displacement of the end of the lens assembly 130 jacked up by the corresponding transmission member 150 in the Z-axis direction is increased, and the effect of driving the lens assembly 130 to move by using the connection point of the transmission member 150 and the supporting frame 110 as a fulcrum is achieved.
Further, one end of the sliding channel 118 may be disposed toward the center of movement of the driving member 140 and extend in a radial direction of the range of movement of the driving member 140.
As shown in fig. 4, in this embodiment, the direction of the sliding channel 118, i.e. the direction of movement of the driving member 140, is defined. The four sliding channels 118 extending in different directions are provided, and extend towards four corners of the supporting frame 110, so that the lens assembly 130 can swing along two directions, namely a-a and B-B. Specifically, the lens assembly 130 may be driven to move along the X-Y axis by applying at least three forces in different directions to the lens assembly 130 in a horizontal plane. When the lens assembly 130 is lifted up, the lens assembly 130 is subjected to a driving force directed toward the center of the driving member 140, that is, the lens assembly 130 can move in the directions of the X-Z axis and the Y-Z axis, thereby improving the influence of the camera shaking in the directions of the X-Z axis and the Y-Z axis on the camera effect.
Further, it will be appreciated that the greater the number of slide channels 118, the more precise the control of the movement of the lens assembly 130 in the X-Z and Y-Z directions, and the greater the direction of oscillation.
In some embodiments, the camera module 100 further includes a lifting member 154 disposed on the transmission member 150, and the lifting member 154 can pass through the through slot 124 to abut against the lens assembly 130 when the transmission member 150 moves in the sliding channel 118.
Fig. 6 shows a schematic view of the lifters 154 in an embodiment of the present application, and fig. 5 shows a schematic view of the lifters 154 passing through the through slots 124 in an embodiment of the present application. In these embodiments, a lifting member 154 is disposed on the transmission member 150, and the lifting member 154 can pass through the through slot 124 to contact the lens assembly 130. When the transmission member 150 is displaced in the Z-axis direction, the jacking member 154 may transmit the driving force applied by the driving member 140 to the transmission member 150 to the lens assembly 130, and convert the driving force into a driving force for jacking up the lens assembly 130, and by converting the direction of the driving force, the lens assembly 130 is moved in the height direction of the support member 170, that is, the Z-axis direction, so as to realize the three-dimensional swing of the lens assembly 130.
Further, when the transmission member 150 moves to different positions, because the sliding channel 118 is disposed obliquely, the displacement of the transmission member 150 in the Z direction is different, that is, the displacement of the jacking member 154 in the Z direction is different, so that the lens assembly 130 can be jacked to different heights in the Z direction.
In some embodiments, the camera module 100 further includes a ball joint 116 disposed on the partition 114, and the lens assembly 130 is connected to the supporting frame 110 through the ball joint 116.
In these embodiments, a ball joint connection is provided on the partition 114, and the lens assembly 130 is connected to the support 170 through the ball joint connection 116, and at the same time, the lens assembly 130 can swing on the support frame 110 in a certain range along the X-Z axis and the Y-Z axis.
In some embodiments of the present application, the driving assembly 40 includes a driving element 140 and a restoring element 160, the driving element 140 is disposed on the supporting seat 120, and the driving element 140 can rotate relative to the supporting seat 120 to drive the transmission element 150 to move from the first position to the second position; the restoring member 160 is disposed in the sliding channel 118 and located between the transmission member 150 and the supporting wall 112 to drive the transmission member 150 to move from the second position to the first position.
In these embodiments, the driving member 140 rotates relative to the supporting base 120, and applies a driving force to the transmission member 150, so as to push the transmission member 150 to move away from the driving assembly 40, that is, push the transmission member 150 to move from the first position to the second position, and precisely control the moving stroke of the driving member 140 under the elastic force of the restoring member 160, so that the transmission member 150 transmits the received driving force to the lens assembly 130, and accordingly drives the lens assembly 130 to move toward its target position. Accordingly, when the driving member 140 rotates to a position where the driving force applied to the transmission member 150 is reduced, the restoring member 160 can push the transmission member 150 to move toward the driving assembly 40, i.e., the transmission member moves from the second position to the first position, and the driving force applied to the lens assembly 130 from the transmission member 150 is reduced, so that the lens assembly 130 moves to its initial state. Through the synergistic action of drive assembly 40 and restoring piece 160, drive transmission spare 150 is at its primary importance and second place reciprocating motion to realized the accurate and nimble effect of moving of camera, effectively avoided the photo ghost, improved formation of image picture quality. The driving mode that the mechanical structure drives the camera to swing effectively avoids the problems that the anti-shake effect is easily influenced by the surrounding magnetic field and the electromagnetic interference influences the mobile phone signals in the electromagnetic driving mode while realizing the shake compensation in the directions of the X axis-Z axis and the Y axis-Z axis during photographing.
In some embodiments, the driving member 140 includes a cam 142 disposed on the supporting base 120; and a driving motor connected to the cam 142 for driving the cam 142 to rotate.
In these embodiments, the cam 142 is driven to rotate by a driving motor, and the cam 142 pushes the transmission member 150 during the rotation, thereby applying a driving force to the transmission member 150. The driving member 150 is driven by the cam 142 to slide obliquely upward along the sliding channel 118 under the combined action of the driving force of the cam 142 and the restoring force of the restoring member 160, so as to lift up the lens assembly 130 to a desired height, and to precisely rotate the lens assembly to a target rotation angle. This driving method converts the rotation of the motor into the swing of the lens assembly 130 without using the electromagnetic driving lens assembly 130, thereby preventing the surrounding magnetic field from affecting the movement of the lens assembly 130, which results in unstable anti-shake effect, and simultaneously preventing the electromagnetic interference generated by the electromagnetic driving from affecting the signal of the electronic device when the lens assembly 130 is used in the electronic device requiring electromagnetic induction. In addition, since the driving motor can rotate quickly, and thus the lens assembly 130 swings quickly, the lens assembly 130 can be corrected to a proper position more quickly by using the motor driving method, so that the lens assembly 130 is more stable relative to the photographed object during the photographing process.
In some embodiments, the camera module 100 further includes a plurality of first mounting grooves 126 disposed on a side of the partition 114 facing away from the lens assembly 130, the first mounting grooves 126 are configured to receive the transmission member 150, and a bottom wall of the first mounting grooves 126 is inclined toward the lens assembly 130; a plurality of supporting members 170 disposed on the supporting base 120, the supporting members 170 being disposed corresponding to the first mounting grooves 126, the supporting members 170 having supporting surfaces for supporting the driving member 150, the supporting surfaces being disposed to be inclined in a direction approaching the lens assembly 130; the support 170 and the first mounting groove 126 form the sliding channel 118.
In these embodiments, a plurality of first mounting grooves 126 are provided on a side of the partition 114 facing away from the lens assembly 130, and a bottom wall of the first mounting grooves 126 is used as a top of the sliding channel 118; a plurality of supporting members 170 are provided on the supporting base 120, and a supporting surface of the supporting members 170 is used as a bottom of the slide passage 118. Specifically, the first mounting slots 126 and the supporting members 170 are in one-to-one correspondence, and each set of supporting members 170 and the first mounting slots 126 together form one sliding channel 118. On this basis, the bottom wall of the first mounting groove 126 is inclined toward the lens assembly 130, and the supporting surface is inclined toward the lens assembly 130, so that the sliding channel 118 is also inclined toward the lens assembly 130, thereby achieving the displacement in the Z-axis direction when the transmission member 150 moves, and further enabling the lens assembly 130 to be driven by the transmission member 150 to move in the Z-axis direction.
In some embodiments, the camera module 100 further includes a limiting member 152 disposed on both sides of the transmission member 150; the limiting grooves 156 are disposed on two sides of the first mounting groove 126 and are communicated with the first mounting groove 126, and the limiting grooves 156 are used for accommodating the limiting members 152 to limit the movement stroke of the transmission member 150.
Fig. 5 shows a schematic diagram of a limiting member 152 in an embodiment of the present application. The limiting members 152 are disposed on two sides of the transmission member 150, and the limiting grooves 156 are disposed on two sides of the first mounting groove 126, so that the limiting members 152 can only move within the range of the limiting grooves 156, thereby limiting the movement range of the transmission member 150 and preventing the transmission member 150 from shaking compensation deviation caused by out-of-control movement.
In some embodiments, the camera module 100 further includes a second mounting groove 128 disposed on a side of the partition 114 facing away from the lens assembly 130, the second mounting groove 128 is configured to receive the driving member 140, and the second mounting groove 128 is communicated with the plurality of first mounting grooves 126; a driving member receiving seat 122 disposed on the supporting seat 120 corresponding to the second mounting groove 128, and a plurality of supporting members 170 disposed around the driving member 140 receiving seat 122; when the transmission member 150 is in the first position, the free end of the transmission member 150 is located in the second mounting groove 128.
In these embodiments, the actuator receiving seat 122 is disposed on the supporting seat 120, and a space for receiving the actuator 140 is formed corresponding to the side of the partition 114 away from the lens assembly 130. The plurality of supporting members 170 are disposed around the driving member receiving seat 122, that is, the sliding channel 118 formed by the supporting members 170 and the first mounting groove 126 is disposed around the driving member receiving seat 122, so that the plurality of transmission members 150 are disposed around the driving member receiving seat 122. Under the arrangement, each transmission member 150 reciprocates in the sliding channel 118 under the combined action of the driving member 140 and the return member 160, so as to apply driving forces in different directions to the lens assembly 130 in the X-Y plane, thereby ensuring that the lens assembly 130 can move in any direction in the X-Y plane, and further ensuring the swinging effect of the lens assembly 130 in the X-Z and Y-Z directions, so as to compensate the shaking in the X-Z and Y-Z directions during photographing.
The embodiment of the second aspect of the present application provides an electronic device 400, which includes the camera module 100, the shake sensor 200 and the control device 300 in any embodiment of the first aspect of the present application, wherein the shake sensor 200 is configured to detect a shake parameter of the electronic device 400, and the control device 300 is configured to determine a first offset angle of the electronic device 400 according to the shake parameter and a focusing parameter, determine a target motion parameter of the driving member of the camera module 100 according to the first offset angle, and control the driving member 140 to operate according to the target motion parameter.
As shown in fig. 7, the electronic device according to the present embodiment includes a camera module 100, a shake sensor 200 and a control device 300, wherein the shake sensor 200 is configured to detect a shake parameter of the electronic device 400, and the control device 300 is configured to determine a first offset angle of the electronic device 400 according to the shake parameter and a focusing parameter, determine a target motion parameter of the driving element 140 of the camera module 100 according to the first offset angle, and control the driving element 140 to operate according to the target motion parameter, so that the camera module 100 drives the lens assembly 130 in the camera module 100 to swing along the X-Z axis and the Y-Z axis according to the detected shake parameter, thereby avoiding blur caused by photographing and improving image quality.
Specifically, the shake sensor 200 may include a gravity sensor, a gyroscope, or a combination of both. The gyroscope is used for detecting rotation angles of the electronic equipment in the X-axis direction, the Y-axis direction and the Z-axis direction, and the gravity sensor is used for detecting shaking vectors of the electronic equipment in the X-axis direction, the Y-axis direction and the Z-axis direction.
An embodiment of the present application further provides an anti-shake method, which is used for the camera module 100 provided in the embodiment of the second aspect of the present application, and as shown in fig. 8, the anti-shake method includes:
s102, acquiring a jitter parameter and a focusing parameter of the electronic equipment; the camera module is used for focusing the camera module, wherein the shake parameters are collected by a shake sensor when the camera module is focused;
s104, determining a first offset angle of the electronic equipment according to the jitter parameter and the focusing parameter;
s106, determining target motion parameters of the driving piece according to the first offset angle;
and S108, controlling the driving piece to work according to the target motion parameters.
The anti-shake method provided by this embodiment first obtains a shake parameter and a focus parameter of the electronic device, and then calculates a first offset angle of the electronic device according to the obtained shake parameter and focus parameter, that is, a target offset of the lens assembly generated by the shake offset of the electronic device, and further, only by correcting the offset, it is possible to ensure that the camera is in a relatively stationary state with respect to the object to be photographed. In the case where the electronic device is in a shift state, the shift state of the electronic device can be corrected by swinging the lens assembly 130 so that the target shift amount of the deflection thereof can be kept relatively still with respect to the subject, and the movement parameters of the driving member 140 are controlled to deflect the lens assembly 130 by the target shift amount. Therefore, the target movement parameter of the driving member 140 is determined according to the first offset angle, and the driving member 140 is driven to move according to the calculated target movement parameter of the driving member 140, so that the driving member 140 drives the lens assembly 130 to move through the transmission member 150, and the offset state of the lens assembly 130 is corrected through the swinging of the lens assembly 130, so that the lens assembly 130 is kept relatively still with respect to the shot object all the time. The effect of preventing shaking in the shooting process is achieved, and the shooting image quality is guaranteed.
Fig. 9 shows a work flow diagram of an anti-shake method according to an embodiment of the application. As shown in fig. 9, the anti-shake method includes:
s202, acquiring a jitter parameter and a focusing parameter of the electronic equipment; the camera module is used for focusing the camera module, wherein the shake parameters are collected by a shake sensor when the camera module is focused;
s204, determining a first offset angle of the electronic equipment according to the jitter parameter and the focusing parameter;
s206, determining a target motion parameter of the driving part according to the first offset angle;
s208, controlling the driving piece to work according to the target motion parameters;
s210, acquiring a second offset angle of the lens assembly;
s212, judging whether the second offset angle is consistent with the first offset angle or not, if not, returning to the step S202; if the two are consistent, the jitter compensation is completed.
In these embodiments, the operation step of obtaining the second offset angle of the lens assembly 130 is introduced. After the first offset angle of the lens assembly 130 is obtained, the target motion parameter of the driving member 140 is determined according to the first offset angle, and the driving member 140 is controlled to operate according to the target motion parameter, so that the lens assembly 130 swings to a required position. After that, the operation of acquiring the second offset angle of the lens assembly 130 is added, and the second offset angle is compared with the first offset angle, that is, a feedback mechanism is introduced. If the lens assembly 130 does not swing to a required position according to the first offset angle, the shake parameter and the focusing parameter of the electronic device can be continuously obtained by timely finding and feeding back the comparison between the second offset angle and the first offset angle, and then the lens assembly 130 is continuously swung, namely, a feedback mechanism forms a complete closed loop, so that the error in the swinging process of the lens assembly 130 can be timely corrected, the swinging of the camera is more accurate, and the shooting effect is more ideal. In addition, in the case of implementing a long-term stabilization of the camera, such as shooting or continuous shooting, if the second offset angle is not consistent with the first offset angle, that is, after the first offset angle is obtained, the electronic device continues to shake and generate a displacement, if the calculation is still performed according to the obtained first offset angle, and the driving member 140 is driven according to the calculated target motion parameter of the driving member 140, so that the driving member 140 drives the lens assembly 130 to move through the transmission member 150, the lens assembly 130 cannot return to a state of being always kept relatively stationary with respect to the object to be shot. Therefore, the steps of obtaining the shaking parameter and the focusing parameter of the electronic device need to be continuously executed, the target motion parameter of the driving element 140 is calculated according to the newly obtained shaking parameter and focusing parameter of the electronic device, and the driving element 140 is driven according to the target parameter obtained by the calculation, so that the swinging motion of the lens assembly 130 is performed according to the offset angle of the current electronic device. Thereby realize the effect of long-time anti-shake, make and shoot more clearly, avoid appearing the ghost or by the shooting object condition such as the scope of moving out even in the camera lens by a wide margin, influence the shooting effect.
In particular, the second offset angle is determined by the actual motion parameter of the drive member 140, and thus the first offset angle and the second offset angle are compared, i.e. the target motion parameter and the actual motion parameter of the drive member 140 are compared. If the second offset angle is not consistent with the first offset angle, that is, the target motion parameter and the actual motion parameter of the driving member 140 are not consistent, this situation causes the target position and the actual swing position of the lens assembly 130, which need to swing, to be inconsistent, that is, the actual position and the required position of the camera, which are driven by the camera, to be deviated, so that the shake parameter and the focusing parameter of the electronic device need to be continuously obtained according to the current position of the electronic device, and the lens assembly 130 is driven to swing to the required target position, thereby completing the operation of correcting the position of the lens assembly 130, and ensuring that the lens assembly 130 swings accurately without error.
Fig. 10 shows a work flow diagram of an anti-shake method according to an embodiment of the application. As shown in fig. 10, the anti-shake method includes:
s302, acquiring a jitter parameter and a focusing parameter of the electronic equipment; the camera module is used for focusing the camera module, wherein the shake parameters are collected by a shake sensor when the camera module is focused;
s304, determining a first offset angle of the electronic equipment according to the jitter parameter and the focusing parameter;
s306, confirming that the first deflection angle is larger than a preset angle;
s308, determining target motion parameters of the driving part according to the first offset angle;
and S310, controlling the driving piece to work according to the target motion parameters.
In these embodiments, the target motion parameter of the driving member 140 is determined according to the first offset angle only after confirming that the first offset angle is larger than the preset angle. When the electronic device does not shake or the electronic device shakes slightly so as not to affect the shooting effect, if the target motion parameter of the driving member 140 is calculated frequently and the driving member 140 is driven according to the target motion parameter, a large amount of unnecessary calculation and driving operation are added, the large amount of calculation means a large amount of unnecessary load, and the frequent driving operation increases the wear of each component in the camera module 100. Therefore, in view of the above problem, the preset angle is set, and only when the first deflection angle is greater than the preset angle, the target motion parameter of the driving member 140 is determined according to the first deflection angle, and the subsequent calibration operation of the camera position is performed, so that the load of the electronic device and the wear of each component in the camera module 100 are greatly reduced, the service life of the electronic device is prolonged, and the use cost is reduced. The preset angle may be determined according to a photographing mode selected by a user.
Fig. 11 shows a work flow diagram of an anti-shake method according to an embodiment of the application. As shown in fig. 11, the anti-shake method includes:
s402, determining that the electronic equipment is in a preview mode, or determining that the electronic equipment acquires a shooting instruction;
s404, acquiring a shaking parameter and a focusing parameter of the electronic equipment;
s406, determining a first offset angle of the electronic equipment according to the jitter parameter and the focusing parameter;
s408, determining a target motion parameter of the driving piece according to the first offset angle;
and S410, controlling the driving piece to work according to the target motion parameters.
In these embodiments, it is first determined that the electronic device is in the preview mode to obtain the shooting instruction, and then the shake parameter and the focusing parameter of the electronic device are obtained. When the user does not need to perform the shooting operation, the frequent acquisition of the shake parameter and the focus parameter of the electronic device does not have any effect, and the load of the electronic device is increased. Therefore, in view of the above problem, the shake parameter and the focus parameter of the electronic device are acquired only when the user needs to perform a shooting operation, that is, when the electronic device is in the preview mode to acquire a shooting instruction, and a subsequent operation is performed according to the acquired parameters, so that the load pressure of the electronic device can be effectively reduced, and the service life of the electronic device can be prolonged.
In particular, fig. 12 shows a work flow diagram of an anti-shake method according to an embodiment of the present application. As shown in fig. 12, the initialization procedure in the anti-shake method includes:
s502, the system determines that a user opens a camera;
s504, the system adjusts the driving part to an initial state;
s506, the system determines that the user is in a camera preview state or a photographing instant state.
In this embodiment, before the anti-shake step is performed, it is first determined whether the user turns on the camera. If the user opens the camera, the lens assembly 130 is adjusted to the initial state, and then whether the camera is in the preview state or the photographing instant state is determined, and in the two states, the subsequent steps are performed to realize the anti-shake operation of the lens.
In particular, fig. 13 shows a workflow diagram of an anti-shake method according to an embodiment of the present application in a preview mode. As shown in fig. 13, the anti-shake method includes:
s602, the equipment system determines that the equipment system is in a camera preview scene;
s604, the system reads the data of the current gravity sensor and the gyroscope and captures the jitter data of the current terminal equipment;
s606, the AP end calculates and determines the stable state and the offset angle of the current terminal equipment through the focusing direction of the user and the data of the gravity sensor and the gyroscope;
s608, judging whether the offset angle is 0, if not, executing S610; if the offset angle is 0, go to S606;
s610, the micro servo motor rotates to push the camera to return to a stable state;
s612, judging whether the pan-tilt movement angle is the same as the shaking angle, if so, executing the step S606; if not, step S608 is performed.
In the embodiment, it is first determined that the electronic device is in a camera preview scene, that is, in a preview mode, a shake parameter and a focus parameter of the electronic device are obtained through a gravity sensor and a gyroscope, and then an AP (application processor, including a CPU and a GPU) of the electronic device calculates a first offset angle of the electronic device according to the obtained shake parameter and focus parameter, that is, a camera offset amount generated by shake offset of the electronic device is obtained. If the offset angle is 0, namely offset does not occur in the current state, returning to the previous step, continuously acquiring the shaking parameters and the focusing parameters of the electronic equipment through the gravity sensor and the gyroscope, and then calculating according to the obtained shaking parameters and the focusing parameters to obtain the first offset angle of the electronic equipment. If the offset angle is not 0, that is, if the offset occurs in the current state, the micro servo motor rotates to drive the driving member 140, so that the driving member 140 drives the lens assembly 130 to move through the transmission member 150, and pushes the camera to return to the stable state, so that the lens assembly 130 is kept relatively still with respect to the object to be photographed. The effect of preventing shaking in the shooting process is achieved, and the shooting image quality is guaranteed. Further, whether the movement angle of the pan/tilt head is the same as the shake angle is calculated through the rotation angle of the cam 142, that is, whether the movement angle of the lens assembly 130 is consistent with the shake deviation angle of the electronic device is compared, and if the movement angle of the lens assembly 130 is inconsistent with the shake deviation angle of the electronic device, that is, the actual position where the camera is driven is deviated from the required position, therefore, the micro servo motor needs to continuously rotate the driving member 140, so that the driving member 140 drives the lens assembly 130 to move through the transmission member 150, and the camera is pushed to return to the stable state. If the current terminal equipment is in the stable state, the camera is judged to be in the stable state, the state and the offset angle which are required to be stable by the current terminal equipment in the current state are continuously obtained, namely whether the electronic equipment is offset or not is continuously monitored, and if the electronic equipment is offset, the camera can be quickly pushed to return to the stable state.
Specifically, fig. 14 shows a work flow diagram of the anti-shake method according to the embodiment of the present application in the shooting mode. As shown in fig. 14, the anti-shake method includes:
s702, the equipment system judges that the user presses a photographing key;
s704, the system reads data of the current gravity sensor and the current gyroscope and captures jitter data of the current terminal equipment;
s706, the AP end calculates and determines the stable state and the offset angle of the current terminal equipment through the focusing direction of the user, gravity and gyroscope data;
s708, judging whether the offset angle is 0, and if not, executing S710; if the offset angle is 0, go to S706;
s710, the micro servo motor rotates to push the camera to return to a stable state;
s712, judging whether the motion angle of the pan-tilt is the same as the shaking angle; if yes, go to step S714; if not, performing S710;
and S714, judging that the exposure is finished.
In this embodiment, it is first determined that the user presses the photographing key, that is, obtains the photographing instruction, and then obtains the shake parameter and the focusing parameter of the electronic device through the gravity sensor and the gyroscope, and then calculates the first offset angle of the electronic device according to the obtained shake parameter and focusing parameter, that is, obtains the camera offset generated by the shake offset of the electronic device. If the offset angle is 0, namely offset does not occur in the current state, returning to the previous step, continuously acquiring the shaking parameters and the focusing parameters of the electronic equipment through the gravity sensor and the gyroscope, and then calculating according to the obtained shaking parameters and the focusing parameters to obtain the first offset angle of the electronic equipment. If the offset angle is not 0, that is, if the offset occurs in the current state, the micro servo motor rotates to drive the driving member 140, so that the driving member 140 drives the lens assembly 130 to move through the transmission member 150, and the camera is pushed to return to the stable state. Further, whether the movement angle of the pan/tilt head is the same as the shake angle is calculated through the rotation angle of the cam 142, and if not, the actual position where the camera is driven is deviated from the required position, so that the micro servo motor needs to continuously rotate and drive the driving member 140, and further the driving member 140 drives the lens assembly 130 to move through the transmission member 150, and the camera is pushed to return to the stable state. If the current terminal equipment is consistent with the current terminal equipment, the camera is pushed to return to the stable state.
Specifically, fig. 15 shows a hardware block diagram of the anti-shake apparatus 400 in the embodiment of the present application. Acquiring jitter data of current terminal equipment through a gyroscope; and calculating and determining the stable state and the offset angle of the current terminal equipment in the system control unit according to the data acquired by the gyroscope, and rotating the micro servo motor according to the calculated stable state and offset angle data so as to push the camera to return to the stable state.
As shown in fig. 16, an embodiment of the present application provides an electronic device, which includes a processor 502, a memory 504 and a program or an instruction stored on the memory 504 and executable on the processor 502, and when the program or the instruction is executed by the processor 502, the steps of the anti-shake method as in the embodiment of the present application are implemented.
When the program or the instructions of the electronic device provided by this embodiment are executed by the processor 502, the electronic device according to the second aspect of the present application can obtain the jitter parameter and the focusing parameter of the electronic device, and determine the first offset angle according to the jitter parameter and the focusing parameter, thereby determining the target motion parameter of the driving element 140 and controlling the driving element 140 to operate according to the target motion parameter.
Further, a program or an instruction may be executed to obtain a second offset angle of the lens assembly 130, and if the second offset angle is inconsistent with the first offset angle, the step of obtaining the shake parameter and the focusing parameter of the electronic device according to the embodiment of the second aspect of the present application is continuously executed, so that the anti-shake effect in the shooting process is effectively ensured, the shooting is clearer, and the situations such as ghost are avoided.
In particular, memory 504 may include mass storage 504 for data or instructions. By way of example, and not limitation, memory 504 may include a Hard Disk Drive (HDD), a floppy Disk Drive, flash memory, an optical Disk, a magneto-optical Disk, tape, or a Universal Serial Bus (USB) Drive or a combination of two or more of these. Memory 504 may include removable or non-removable (or fixed) media, where appropriate. The memory 504 may be internal or external to the integrated gateway disaster recovery device, where appropriate. In a particular embodiment, the memory 504 is non-volatile solid-state memory 504. In a particular embodiment, the memory 504 includes read only memory 504 (ROM). Where appropriate, the ROM may be mask-programmed ROM, Programmable ROM (PROM), Erasable PROM (EPROM), Electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory or a combination of two or more of these.
The processor 602 may include a central processing unit 602(CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured to implement one or more Integrated circuits of the embodiments of the present Application.
It should be noted that in the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In this application, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a camera module which characterized in that includes:
a support frame;
the lens assembly is movably connected with the support frame;
the sliding channels are arranged in the supporting frame, and any one of the sliding channels is obliquely arranged from one side departing from the lens assembly to the direction close to the lens assembly;
the driving assembly is arranged on the supporting frame;
the driving component can drive any one of the transmission components to move between a first position and a second position in the sliding channel, and the second position is close to the lens component compared with the first position;
when the transmission piece moves between the first position and the second position, the transmission piece can drive the lens assembly to rotate by taking the connecting point of the lens assembly and the supporting frame as a fulcrum.
2. The camera module of claim 1, wherein the support frame comprises:
a support wall;
the partition plate is connected with the supporting wall, and the lens assembly is arranged on the partition plate;
the supporting seat is used for supporting the supporting wall, and a plurality of sliding channels are formed between the supporting seat and the partition plate;
the through groove is formed in the partition plate and communicated with the sliding channel, and the transmission piece can penetrate through the through groove to drive the lens assembly to move when moving in the sliding channel.
3. The camera module of claim 2, further comprising:
the jacking piece is arranged on the transmission piece, and when the transmission piece moves in the sliding channel, the jacking piece can penetrate through the through groove and abut against the lens component.
4. The camera module of claim 2,
the ball head connecting piece is arranged on the partition board, and the lens component is connected with the supporting frame through the ball head connecting piece.
5. The camera module of claim 2, wherein the drive assembly comprises:
the driving piece is arranged on the supporting seat and can rotate relative to the supporting seat so as to drive the transmission piece to move from the first position to the second position;
and the restoring piece is arranged in the sliding channel and positioned between the transmission piece and the supporting wall so as to drive the transmission piece to move from the second position to the first position.
6. The camera module of claim 5, wherein the drive member comprises:
the cam is arranged on the supporting seat;
and the driving motor is connected with the cam and used for driving the cam to rotate.
7. The camera module of claim 5, further comprising:
the first installation grooves are formed in one side, away from the lens component, of the partition board and used for accommodating the transmission piece, and the groove bottom walls of the first installation grooves are obliquely arranged towards the direction close to the lens component;
the supporting pieces are arranged on the supporting seat and correspond to the first mounting grooves, the supporting pieces are provided with supporting surfaces used for supporting the transmission pieces, and the supporting surfaces are obliquely arranged in the direction close to the lens assembly;
the support and the first mounting groove form the sliding channel.
8. The camera module of claim 7, further comprising:
the limiting pieces are arranged on two sides of the transmission piece;
and the limiting grooves are arranged on two sides of the first mounting groove and communicated with the first mounting groove, and are used for accommodating the limiting part to limit the movement stroke of the transmission part.
9. The camera module of claim 7, further comprising:
the second mounting groove is arranged on one side, away from the lens assembly, of the partition plate and used for accommodating the driving piece, and the second mounting groove is communicated with the first mounting grooves;
the driving piece accommodating seat is arranged on the supporting seat corresponding to the second mounting groove, and the plurality of supporting pieces are arranged around the driving piece accommodating seat;
when the transmission piece is located at the first position, the free end of the transmission piece is located in the second mounting groove.
10. An electronic device, characterized in that the electronic device comprises:
the camera module of any one of claims 1-9;
a shake sensor for detecting a shake parameter of the electronic device;
and the control device is used for determining a first offset angle of the electronic equipment according to the jitter parameter and the focusing parameter, determining a target motion parameter of the driving piece of the camera module according to the first offset angle, and controlling the driving piece to work according to the target motion parameter.
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| CN202011607259.4A CN112804423B (en) | 2020-12-29 | 2020-12-29 | Camera module and electronic equipment |
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| CN202011607259.4A CN112804423B (en) | 2020-12-29 | 2020-12-29 | Camera module and electronic equipment |
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| CN113542464A (en) * | 2021-07-02 | 2021-10-22 | 维沃移动通信有限公司 | Camera structure and electronic equipment |
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| CN112804423B (en) | 2022-05-31 |
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