CN114167570A

CN114167570A - Optical lens, camera module, electronic equipment and shooting method of camera module

Info

Publication number: CN114167570A
Application number: CN202010949115.0A
Authority: CN
Inventors: 夏太红; 李斯坤; 秦诗鑫; 郭利德; 王昕�; 卢磊; 曾义闵
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2022-03-11
Anticipated expiration: 2040-09-10
Also published as: WO2022052829A1; CN114167570B

Abstract

The application provides an optical lens, a camera module, an electronic device and a shooting method of the camera module. The optical lens comprises a motor, a first lens and a self-locking assembly. The motor comprises a driving piece and a moving bracket. The first lens is mounted on the movable support. The driving piece is used for driving the movable support to move along the optical axis direction of the optical lens. The self-locking assembly comprises a base, a rotating piece, a force application piece, an elastic piece and a limiting block. When the force application member is not electrified, the limiting block is contacted with the movable support under the elasticity of the elastic member, and static friction force can be generated between the limiting block and the movable support. When the force application part is powered on, the driving rotation part overcomes the elasticity of the elastic part and drives the limiting block to rotate so as to separate the limiting block from the movable support. The optical lens is not easy to be affected by external movement or shaking in the shooting process. When the optical lens is applied to the camera module and the electronic equipment, the shooting performance of the camera module and the electronic equipment is better.

Description

Optical lens, camera module, electronic equipment and shooting method of camera module

Technical Field

The present disclosure relates to lens technologies, and particularly to an optical lens, a camera module, an electronic device, and a shooting method for a camera module.

Background

With the increasing development of electronic device technology, people expect that the shooting performance of mobile phones can be better and better. However, in the process of shooting, the traditional mobile phone is easy to deform or blur the shot image due to external movement or shake, so that the user experience of the mobile phone is seriously affected. Therefore, how to set up a camera module with better stability and difficult influence on the shooting quality due to external motion or shake is very important.

Disclosure of Invention

The application provides an optical lens, a camera module and electronic equipment which are not easy to affect shooting due to external motion or shaking.

In a first aspect, an embodiment of the present application provides an optical lens. The optical lens comprises a motor, a first lens and a self-locking assembly. The motor comprises a driving piece and a moving bracket. The first lens is mounted to the moving support. The driving piece is used for driving the moving support to move along the optical axis direction of the optical lens. In this application, the movable support includes a first movable support and a second movable support. The optical axis direction of the optical lens is the X-axis direction. In addition, the optical axis refers to an axis passing through the center of each lens.

The self-locking assembly comprises a base, a rotating part, a force application part, an elastic part and a limiting block. The base and the movable support are arranged at intervals. The rotating piece is rotatably connected to the base. One end of the elastic piece is connected with the rotating piece, and the other end of the elastic piece is connected with the base.

Wherein, the limiting block is positioned between the rotating piece and the movable support. The limiting block is fixed on the rotating piece. In one embodiment, the limiting block is fixed to the rotating member through an adhesive tape or glue. In one embodiment, the limiting block and the rotating member are integrally formed.

The force applying piece is used for applying acting force to the rotating piece when being electrified. The energizing condition of the force applying member can be determined according to whether the movable support moves relatively. For example, when the moving bracket does not move relatively, the force application member is not energized. When the movable support moves relatively, the force application part is electrified. In addition, when the moving bracket does not move relatively, the moving bracket is at a target position. The target position can be a focusing position of the movable support, and can also be a fixed position of the movable support when the optical lens does not start shooting.

When the force application member is not electrified, the limiting block is in contact with the movable support under the elasticity of the elastic member, and static friction force can be generated between the limiting block and the movable support. It is understood that when the stopper comes into contact with the moving bracket under the elastic force of the elastic member, the stopper applies pressure to the moving bracket. At this time, when the moving bracket has a tendency to move relatively, the moving bracket generates a static friction force. Therefore, the limiting block can press the movable support under the elastic force of the elastic piece.

When the force application part is powered on, the rotating part is driven to overcome the elastic force of the elastic part and drive the limiting block to rotate, so that the limiting block is separated from the movable support.

It can be understood that the limit block is pressed against the movable bracket or separated from the movable bracket by controlling the electrification condition of the force application part, so as to control whether the movable bracket is in a locking state or an unlocking state. At this time, when the movable bracket is in a locked state, the first lens mounted to the movable bracket is preferably stabilized. Therefore, when the optical lens is used for shooting, the first lens is not easy to move due to external shake or vibration, the image shot by the optical lens is not easy to deform or blur, and the quality of the image shot by the optical lens is good. Particularly, when the user takes a picture during the movement, the effect of the image taken by the optical lens is better.

In addition, when the movable bracket is in a locked state, the movable bracket can avoid collision with other components in the optical lens, so that the collision risk of the movable bracket is reduced. In addition, when the movable support comprises the first movable support and the second movable support, the first movable support and the second movable support are locked, so that the collision phenomenon between the first movable support and the second movable support can be avoided, and the collision risk between the first movable support and the second movable support is reduced.

In addition, when the movable support is in a locking state, the movable support can avoid forced vibration. Forced vibration refers to the vibration generated by a periodic external force.

In one embodiment, the connection position between the limiting block and the rotating member is a first position. The force application position of the force application piece on the rotating piece is a second position. The rotating position of the rotating member is located between the first position and the second position. At this time, the stopper, the rotating member, and the force applying member form a lever structure. The limiting block and the force applying part are located on two sides of the rotating position of the rotating part, and the limiting block and the force applying part are not prone to mutual interference in motion, so that the reliability of the self-locking assembly is guaranteed.

In one embodiment, the first position is a first distance from the rotational position of the rotating member. The distance between the second position and the rotating position of the rotating part is a second distance. The first distance is greater than the second distance. At this time, when the force application member is powered on, the angle of the force application member pulling the rotation member to rotate is larger, and the distance between the limiting block and the movable support is also larger. Therefore, when the movable support moves along the X-axis direction, the movable support is not easy to interfere with the limiting block.

In one embodiment, the force applying member is a shape memory alloy. The direction of the acting force is the same as the pressure applied to the movable support by the limiting block.

It can be understood that, by setting the direction of the acting force to be the same as the pressure applied to the moving bracket by the limiting block, the acting force piece and the moving bracket are positioned on the same side of the rotating piece. In this case, the extending direction of the biasing member may have an overlapping region with the extending direction of the movable bracket in the Y axis. Thus, when the length of the urging member is increased to a large extent, the urging member does not increase the length of the optical lens in the Y-axis direction. In addition, when the length of the force application part is greatly increased, the contraction length of the force application part under the power-on state is also larger, at the moment, the angle of the force application part pulling the rotating part to rotate is also larger, and the distance between the limiting block and the moving support is also larger. Therefore, when the movable support moves along the X-axis direction, the movable support is not easy to interfere with the limiting block.

In one embodiment, the rotating member is made of a conductive material. The self-locking assembly further comprises a first circuit board, a connector and a rotating shaft. The first circuit board and the movable support are arranged at intervals. The first circuit board comprises a first pin and a second pin which are arranged at intervals. The connector is fixed to the first circuit board and electrically connected to the first pins. One end of the force application piece is fixed on the connector, and the other end of the force application piece is fixed on the rotating piece. One end of the rotating shaft is fixed on the base, and the other end of the rotating shaft is rotatably connected with the rotating piece. The rotating shaft is electrically connected to the second pin. At this time, the first circuit board, the connector, the force applying member, the rotating shaft, and the rotating member form a current path. It will be appreciated that the shaft can be used to both rotate the rotor relative to the base and as part of the current path. The rotating shaft has the effect of multiple purposes. In addition, the rotating piece can be used for driving the limiting block to rotate and can be used as a part of the current path. The rotating piece also has the effect of being multipurpose.

In one embodiment, the elastic member is located on a side of the rotating member away from the limiting block, and the elastic member is disposed opposite to the limiting block.

It can be understood that, the elastic element is arranged on one side of the rotating element far away from the limiting block, so that when the movable bracket moves along the X-axis direction, the elastic element is not easy to interfere with the movable bracket, and the reliability of the self-locking assembly is ensured.

In addition, through setting up the elastic component with the stopper is relative to when the application of force spare is to the piece that rotates exerts pulling force, the elastic component is difficult to take place to interfere with application of force spare, thereby guarantees the reliability of auto-lock subassembly.

In one embodiment, the connection position between the limiting block and the rotating member is a first position. The force application position of the force application piece on the rotating piece is a second position. The first position and the second position are located on the same side of the rotational position of the rotational member. At this moment, the force application distance of the force application piece to the limiting block is short, and the limiting block is separated from the movable support more easily.

In one embodiment, the material of the rotating member is a magnetic material. The force application part comprises a magnetic part and a coil wound on the surface of the magnetic part. One end of the magnetic part is fixed on the base, and the other end of the magnetic part faces the rotating part. The direction of the acting force is opposite to the pressure applied to the movable bracket by the limiting block. At this time, the force application part and the movable bracket are positioned on different sides of the rotating part. When the movable support moves along the X-axis direction, the movable support is not easy to interfere with the force application part. In addition, the magnetic field generated by the force application piece does not easily influence the movement of the movable support along the X-axis direction.

In one embodiment, the elastic element and the force applying element are located on the same side of the rotating element, and the elastic element and the force applying element are located on two sides of the rotating position of the rotating element.

It is understood that, by arranging the elastic member and the force applying member on the same side of the rotating member, the elastic member and the moving bracket are not easily collided or interfered with each other during the movement of the moving bracket.

In addition, through will the elastic component with the application of force spare sets up in the both sides of the rotational position of rotating the piece, thereby when the application of force spare is in to when rotating the piece application of force, the elastic component is difficult with application of force spare is mutual interference.

In one embodiment, the motor further includes a base plate, a fixing bracket, and a guide rail. The fixed support and the substrate are arranged oppositely. One end of the guide rail is fixed on the base plate, and the other end of the guide rail is fixed on the fixed support. The movable support is located between the base plate and the fixed support and movably connected to the guide rail. The optical lens further includes a second lens. The second lens is mounted on the fixed bracket. The second lens is located on an object side of the first lens.

It is understood that, with the lens as a boundary, the side where the subject is located is the object side. The surface of the lens near the object side is called the object side. The side where the image of the object is located is the image side. The surface of the lens near the image side is called the image side surface.

It is understood that, by providing the second lens on the object side of the first lens, light rays with a large field angle are received to a large extent by the second lens. In this case, the angle of view of the optical lens can be increased to a large extent.

In one embodiment, the optical lens further comprises a housing. The substrate and the fixed support are positioned in the shell and fixed on the shell. The movable support comprises a first movable support and a second movable support which are arranged at intervals. The first lens is fixed on the first movable support and the second movable support. The driving piece comprises a first magnet, a first coil, a second magnet and a second coil. The first magnet is fixed to the first movable bracket. The first coil is fixed on the inner side of the shell and faces the first magnet. The second magnet is fixed to the second movable bracket. The second coil is fixed to the inner side of the housing and faces the second magnet.

It is understood that when the moving supports are disposed as a first moving support and a second moving support which are disposed at an interval, the first lens mounted to the first moving support and the second moving support can be moved in the X-axis direction alone. In this case, the optical lens has a better degree of freedom in optical design.

In one embodiment, the optical lens further includes a lens circuit board. The lens circuit board is electrically connected to the first coil and the second coil. At this time, the lens circuit board can transmit signals to the first coil and the second coil.

In one embodiment, the optical lens further includes a hall sensor and a detection magnet. The detection magnet is fixed on the movable support. The Hall sensor is used for detecting the magnetic field intensity when the detection magnet is located at different positions.

It is understood that when the moving rack moves toward the target position in the X-axis direction, the moving rack is liable to fail to move to the target position. In the embodiment, the hall sensor is used for measuring the magnetic field intensity of the position where the detection magnet is located, and whether the magnetic field intensity is equal to the preset magnetic field intensity at the target position or not is judged. When the magnetic field intensity is not equal to the preset magnetic field intensity at the target position, the driving piece can continuously push the moving support to move along the X-axis direction, so that the moving support can accurately move to the target position. Therefore, the accuracy of the movement of the movable support along the X-axis direction can be obviously improved by arranging the Hall sensor and the detection magnet.

In one embodiment, the optical lens further includes a prism motor and a reflector. The reflecting member is rotatably connected to the prism motor. The reflector is used for reflecting ambient light so that the ambient light can be transmitted to the first lens. The reflector of the present embodiment is described by taking a triangular prism as an example.

It can be understood that the optical lens is prone to shake during the process of collecting the ambient light, and at this time, the transmission path of the ambient light is prone to be deflected, so that the image captured by the optical lens is not good. In this embodiment, when the transmission path of ambient light deflects, the prism motor can drive the triple prism to rotate, thereby utilize the triple prism to adjust the transmission path of ambient light, reduce or avoid the transmission path of ambient light to deflect, and then guarantee that optical lens has the better shooting effect. Therefore, the reflecting piece can play an optical anti-shake effect.

In a second aspect, embodiments of the present application provide another optical lens. The optical lens comprises a motor, a first lens and a self-locking assembly. The motor comprises a driving piece and a moving bracket. The first lens is mounted to the moving support. The driving piece is used for driving the moving support to move along the optical axis direction of the optical lens. In this application, the moving bracket includes a first moving bracket and a second moving bracket. The optical axis direction of the optical lens is the X-axis direction. In addition, the optical axis refers to an axis passing through the center of each lens.

The self-locking assembly comprises a first fastener and a second fastener. The first buckle piece is fixed on the movable support. The first buckle piece is provided with a first through hole. In one embodiment, the first fastener is fixed to the movable bracket by an adhesive tape or glue. In one embodiment, the first fastener and the movable bracket are integrally formed.

The second buckle piece comprises an elastic piece, a limiting block and a force application piece. The elastic piece is located on one side, far away from the movable support, of the first buckling piece. The elastic piece can be a spring plate or a spring.

Wherein, the stopper is located between the elastic component and the movable support. The limiting block is fixed at one end of the elastic piece. In one embodiment, the limiting block is fixed to the elastic member by an adhesive tape or glue. In one embodiment, the stopper and the elastic member are integrally formed.

The force application part is used for applying acting force to the limiting block when the power is on. The energizing condition of the force applying member can be determined according to whether the movable support moves relatively. For example, when the moving bracket does not move relatively, the force application member is not energized. When the movable support moves relatively, the force application part is electrified. In addition, when the moving supports do not move relatively, the moving supports are in fixed positions. The fixed position is a position of the movable support when the optical lens does not start shooting.

When the force application piece is not electrified, part of the limiting block is positioned in the first through hole. At this time, the hole wall of the first through hole can limit the movement of the limiting block.

When the force application part is powered on, the limiting block is driven to overcome the elasticity of the elastic part and move out of the first through hole.

It can be understood that whether the limiting block is positioned in the first through hole or moved out of the first through hole is controlled by controlling the electrifying condition of the force application part, so that the movable bracket is controlled to be in a locking state or an unlocking state. At this time, when the movable bracket is in a locked state, the first lens mounted to the movable bracket is preferably stabilized.

In addition, when the movable bracket is in a locked state, the movable bracket can avoid collision with other components in the optical lens, so that the collision risk of the movable bracket is reduced. In addition, when the movable support comprises the first movable support and the second movable support, the first movable support and the second movable support are locked, so that the collision phenomenon between the first movable support and the second movable support can be avoided, and the collision risk between the first movable support and the second movable support is reduced. The reliability of the movable support is better.

In one embodiment, the second fastener further includes a base and a sliding block. One end of the elastic piece, which is far away from the limiting block, is fixed on the base. The sliding block is connected between the elastic piece and the limiting block. The sliding block is connected to the base in a sliding mode.

Wherein, the material of sliding block is magnetic material. For example, the sliding block may be a magnet or a magnetic steel.

The force application piece comprises a magnetic piece and a coil wound on the surface of the magnetic piece. One end of the magnetic piece is fixed on the base, and the other end of the magnetic piece faces the sliding block.

In one embodiment, the elastic member is sleeved on the force applying member. At this time, the urging member is located inside the elastic member. The force application member can effectively utilize the inner space of the elastic member. The assembly of the elastic part and the force application part is compact, and the space utilization rate of the optical lens is high.

In one embodiment, when the force applying member is not energized, the elastic member applies an elastic force to the sliding block. It can be understood that the limiting block is extruded in the first through hole of the first buckle part through the elastic force of the elastic part, so that the stability of the limiting block is better, that is, the limiting block is not easy to move out of the first through hole of the first buckle part.

In one embodiment, the elastic member includes a first fixing portion, a connecting portion and a second fixing portion. The connecting part is connected between the first fixing part and the second fixing part. The second fixing part is opposite to the first fixing part. At this time, the elastic member is substantially C-shaped.

The limiting block is fixed on one side, far away from the first fixing part, of the second fixing part.

The force application piece is made of shape memory alloy, one end of the force application piece is connected to the first fixing portion, and the other end of the force application piece is connected to the second fixing portion.

In one embodiment, the second fixing portion and the connecting portion are made of a conductive material. The self-locking assembly further comprises a first circuit board. The first circuit board comprises a first pin and a second pin which are arranged at intervals.

The first fixing portion includes a first conductive segment, an insulating segment, and a second conductive segment. One end of the insulating segment is connected to the first conductive segment and the other end is connected to the second conductive segment. The first conductive segment is connected to one end of the force application member. The second conductive segment is connected to the connection portion. The first conductive segment is electrically connected to the first pin. The second conductive segment is electrically connected to the second pin. Thus, the first circuit board, the first conductive segment, the force application member, the second fixing portion, the connecting portion, and the second conductive segment form a current path.

It can be understood that the elastic element can be used for driving the limiting block to extend into the first through hole or extend out of the first through hole, and can also be used as a part of a current path. The elastic piece has the effect of 'one object is multi-purpose'.

It is understood that when the moving supports are disposed as a first moving support and a second moving support which are disposed at an interval, the first lens mounted to the first moving support and the second moving support can be moved in the X-axis direction alone. At the moment, the optical design freedom degree of the optical lens is better, and the matching motion among the first lenses is more flexible.

In a third aspect, an embodiment of the present application provides a camera module. The camera module comprises a module circuit board, a photosensitive chip, an optical filter and the optical lens. The optical lens includes the optical lens of the first aspect and the optical lens of the second aspect.

The module circuit board is located on the image side of the optical lens. The photosensitive chip is fixed on one side of the module circuit board, which faces the optical lens. The photosensitive chip is used for collecting ambient light passing through the optical lens.

The optical filter is fixed on one side of the photosensitive chip, which faces the optical lens. The optical filter can be used for filtering stray light in the ambient light, and the filtered ambient light is transmitted to the photosensitive chip, so that the image shot by the camera module has better definition.

It can be understood that, when the optical lens is applied to the camera module, the internal structure of the camera module is not easy to collide or interfere with each other due to external vibration or shaking, and the reliability of the camera module is better. In addition, the stability of the camera module is better, and the forced vibration is not easy to occur to the optical lens.

In a fourth aspect, an embodiment of the present application provides an electronic device. The electronic equipment can be a mobile phone, a tablet computer and the like. Electronic equipment includes the casing and as above the module of making a video recording, the module of making a video recording install in the casing.

It can be understood that, when the camera module is applied to the electronic device, the reliability of the electronic device is better. In addition, the stability of the electronic equipment is better, and the forced vibration of the electronic equipment is not easy to occur.

In a fifth aspect, an embodiment of the present application provides a shooting method for a camera module. The camera module comprises an optical lens and a photosensitive chip. The photosensitive chip is located on the image side of the optical lens. The optical lens comprises a motor, a first lens and a self-locking assembly. The motor comprises a driving piece and a moving bracket. The first lens is mounted to the moving support. The driving piece is used for driving the moving support to move along the optical axis direction of the optical lens. In this application, the movable support includes a first movable support and a second movable support. The optical axis direction of the optical lens is the X-axis direction. In addition, the optical axis refers to an axis passing through the center of each lens. The self-locking assembly comprises a base, a rotating part, a force application part, an elastic part and a limiting block. The base and the movable support are arranged at intervals. The rotating piece is rotatably connected to the base. One end of the elastic piece is connected with the rotating piece, and the other end of the elastic piece is connected with the base. Wherein, the limiting block is positioned between the rotating piece and the movable support. The limiting block is fixed on the rotating piece.

The shooting method comprises the following steps:

receiving a shooting signal;

controlling the force application part to be electrified so that the force application part applies acting force to the rotating part to drive the rotating part to overcome the elastic force of the elastic part and drive the limiting block to rotate and leave the movable support;

controlling the movable support to drive the first lens to move along the optical axis direction of the optical lens;

when the movable support moves to a target position, the force application part is controlled to be powered off, and the rotating part drives the limiting block to rotate under the elastic force of the elastic part, so that the limiting block is pressed against the movable support to be contacted;

and controlling the photosensitive chip to convert the optical signal into an electric signal and output the electric signal.

In one embodiment, the optical lens further comprises a hall sensor and a detection magnet, wherein the detection magnet is fixed on the movable bracket;

in "controlling the moving bracket to drive the first lens to move along the optical axis direction of the optical lens", the method further includes:

the Hall sensor detects the magnetic field intensity of the detection magnet;

and when the magnetic field intensity is not equal to the preset magnetic field intensity, controlling the movable support to drive the first lens to move to the target position along the optical axis direction of the optical lens.

In a sixth aspect, an embodiment of the present application provides another shooting method for a camera module. The camera module comprises an optical lens and a photosensitive chip. The photosensitive chip is located on the image side of the optical lens. The optical lens comprises a motor, a first lens and a self-locking assembly. The motor comprises a driving piece and a moving bracket. The first lens is mounted to the moving support. The driving piece is used for driving the moving support to move along the optical axis direction of the optical lens. In this application, the moving bracket includes a first moving bracket and a second moving bracket. The optical axis direction of the optical lens is the X-axis direction. In addition, the optical axis refers to an axis passing through the center of each lens. The self-locking assembly comprises a first fastener and a second fastener. The first buckle piece is fixed on the movable support. The first buckle piece is provided with a first through hole. In one embodiment, the first fastener is fixed to the movable bracket by an adhesive tape or glue. In one embodiment, the first fastener and the movable bracket are integrally formed. The second buckle piece comprises an elastic piece, a limiting block and a force application piece. The elastic piece is located on one side, far away from the movable support, of the first buckling piece. The elastic piece can be a spring plate or a spring. Wherein, the stopper is located between the elastic component and the movable support. The limiting block is fixed at one end of the elastic piece.

The shooting method comprises the following steps:

receiving a shooting signal;

controlling the force application part to be electrified so that the force application part applies acting force to the limiting block to drive the limiting block to overcome the elasticity of the elastic part and move out of the first through hole;

controlling the movable support to drive the first lens to move to a target position from a fixed position along the optical axis direction of the optical lens;

controlling the photosensitive chip to convert the optical signal into an electrical signal and output the electrical signal;

controlling the movable support to drive the first lens to move from the target position to the fixed position along the optical axis direction of the optical lens;

and controlling the force application member to be powered off, and extending part of the limiting block into the first through hole under the elasticity of the elastic member.

in "controlling the moving bracket to drive the first lens to move from the fixed position to the target position along the optical axis direction of the optical lens", the method further includes:

the Hall sensor detects the magnetic field intensity of the detection magnet;

and when the magnetic field intensity is not equal to the preset magnetic field intensity, controlling the movable support to drive the first lens to move from the fixed position to a target position along the optical axis direction of the optical lens.

Drawings

In order to explain the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be described below.

Fig. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;

FIG. 2 is a partially exploded schematic view of the electronic device shown in FIG. 1;

FIG. 3 is a schematic partial cross-sectional view of the electronic device shown in FIG. 1 at line A-A;

fig. 4 is a schematic structural diagram of a camera module of the electronic device shown in fig. 1;

FIG. 5 is a partially exploded view of the camera module shown in FIG. 4;

FIG. 6 is a partially exploded schematic view of the optical lens shown in FIG. 5;

FIG. 7 is a partially exploded schematic view of one embodiment of the lens assembly shown in FIG. 6;

FIG. 8 is a partially exploded schematic view of the motor shown in FIG. 7;

FIG. 9 is a partially exploded schematic view of the motor shown in FIG. 7;

FIG. 10 is a partially exploded schematic view of the motor shown in FIG. 7;

FIG. 11 is a partial schematic structural diagram of the camera module shown in FIG. 4 according to the first embodiment;

FIG. 12 is a partial schematic structural diagram of the camera module shown in FIG. 4 according to the first embodiment;

FIG. 13 is a partial schematic structural diagram of the camera module shown in FIG. 4 according to the first embodiment;

FIG. 14 is a partially exploded schematic view of the self-locking assembly shown in FIG. 13;

FIG. 15 is a schematic view of a portion of the camera module shown in FIG. 13;

figure 16 is an exploded view of the self-locking assembly of figure 14;

fig. 17 is a schematic view of a state of a configuration of the camera module shown in fig. 4 in the first embodiment;

FIG. 18 is an enlarged schematic view of a portion of the camera module shown in FIG. 17 at B;

fig. 19 is a schematic view of the camera module shown in fig. 4 in another state of the configuration in the first embodiment;

FIG. 20 is a flow chart of a shooting method of the camera module shown in FIG. 1 in a first embodiment;

FIG. 21 is a partially exploded schematic view of another embodiment of the lens assembly shown in FIG. 6;

FIG. 22 is a partial schematic structural view of the camera module shown in FIG. 4 according to a second embodiment;

FIG. 23 is a partially exploded schematic view of the self-locking assembly shown in FIG. 22;

figure 24 is an exploded view of the self-locking assembly of figure 23;

FIG. 25 is a partially exploded schematic view of the self-locking assembly shown in FIG. 22;

fig. 26 is a schematic view of a state of a configuration of the camera module shown in fig. 4 in the second embodiment;

FIG. 27 is an enlarged schematic view of a portion of the camera module shown in FIG. 26 at C;

fig. 28 is a schematic view showing another state of the configuration of the camera module shown in fig. 4 in the second embodiment;

FIG. 29 is a partially exploded schematic view of yet another embodiment of the lens assembly shown in FIG. 6;

fig. 30 is a schematic view of a state of a configuration of the camera module shown in fig. 4 in a third embodiment;

FIG. 31 is a partially exploded schematic view of the self-locking assembly shown in FIG. 30;

FIG. 32 is a partially exploded view of the second clasp shown in FIG. 30;

FIG. 33 is a schematic view of a portion of the second latch of FIG. 31;

FIG. 34 is a schematic view of a portion of the second latch of FIG. 31;

FIG. 35 is an enlarged schematic view of a portion of the camera module shown in FIG. 30 at D;

fig. 36 is a schematic view showing another state of the configuration of the camera module shown in fig. 4 in the third embodiment;

FIG. 37 is a flow chart of a shooting method of the camera module shown in FIG. 1 in a third embodiment;

FIG. 38 is a partially exploded schematic view of yet another embodiment of the lens assembly shown in FIG. 6;

fig. 39 is a schematic view of a state of a configuration of the camera module shown in fig. 4 in a fourth embodiment;

FIG. 40 is a partially exploded schematic view of the self-locking assembly shown in FIG. 39;

FIG. 41 is a partially exploded view of the second clasp shown in FIG. 40;

FIG. 42 is a partial schematic structural view of the self-locking assembly shown in FIG. 39;

FIG. 43 is an enlarged schematic view of a portion of the camera module shown in FIG. 39 at E;

fig. 44 is a schematic view of another state of the configuration of the image pickup module shown in fig. 4 according to the fourth embodiment.

Detailed Description

The embodiments of the present application will be described below with reference to the drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device 1 according to an embodiment of the present disclosure. The electronic device 1 may be a mobile phone, a tablet personal computer (tablet personal computer), a laptop computer (laptop computer), a Personal Digital Assistant (PDA), a camera, a personal computer, a notebook computer, a vehicle-mounted device, a wearable device, Augmented Reality (AR) glasses, an AR helmet, Virtual Reality (VR) glasses or a VR helmet, or other devices having photographing and image capturing functions. The electronic device 1 of the embodiment shown in fig. 1 is illustrated by taking a mobile phone as an example.

Referring to fig. 2 in conjunction with fig. 1, fig. 2 is a partially exploded view of the electronic device 1 shown in fig. 1. The electronic device 1 includes a housing 70, a screen 80, a host circuit board 90, and a camera module 100. It should be noted that fig. 1, fig. 2 and the following related drawings only schematically show some components included in the electronic device 1, and the actual shape, the actual size, the actual position and the actual configuration of the components are not limited by fig. 1, fig. 2 and the following drawings. In addition, when the electronic device 1 is a device of some other form, the electronic device 1 may not include the screen 80 and the host circuit board 90.

For convenience of description, the width direction of the electronic apparatus 1 is defined as an X-axis. The longitudinal direction of the electronic apparatus 1 is the Y axis. The thickness direction of the electronic apparatus 1 is the Z axis. It will be appreciated that the coordinate system settings of the electronic device 1 may be flexibly set according to specific practical needs.

The housing 70 includes a frame 71 and a rear cover 72. The rear cover 72 is fixed to one side of the bezel 71. In one embodiment, rear cover 72 is fixedly attached to rim 71 by adhesive. In another embodiment, the rear cover 72 and the rim 71 are integrally formed, i.e., the rear cover 72 and the rim 71 are a unitary structure.

In other embodiments, the housing 70 may also include a middle plate (not shown). The middle plate is attached to the inner surface of the rim 71. The middle plate is disposed opposite to and spaced apart from the rear cover 72.

Referring to fig. 2 again, the screen 80 is fixed on the other side of the frame 71. At this time, the screen 80 is disposed opposite to the rear cover 72. The screen 80, the frame 71 and the rear cover 72 together enclose the inside of the electronic device 1. The interior of the electronic apparatus 1 may be used for placing devices of the electronic apparatus 1, such as a battery, a receiver, a microphone, and the like.

In this embodiment, the screen 80 may be used to display images, text, and the like. The screen 80 may be a flat screen or a curved screen. The screen 80 includes a first cover 81 and a display screen 82. The first cover 81 is stacked on the display screen 82. The first cover plate 81 can be disposed closely to the display screen 82, and can be mainly used for protecting and preventing dust for the display screen 82. The material of the first cover plate 81 may be, but is not limited to, glass. The display screen 82 may be an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode (AMOLED) display screen, an active-matrix organic light-emitting diode (active-matrix organic light-emitting diode) display screen, a quantum dot light-emitting diode (QLED) display screen, or the like.

Referring to fig. 3 in conjunction with fig. 2, fig. 3 is a partial cross-sectional view of the electronic device 1 shown in fig. 1 at a line a-a. The host circuit board 90 is fixed inside the electronic apparatus 1. Specifically, the host circuit board 90 may be fixed to a side of the screen 80 facing the rear cover 72. In other embodiments, when the housing 70 comprises a midplane, the host circuit board 90 may be secured to a surface of the midplane facing the back cover 72.

It is understood that the host circuit board 90 may be a rigid circuit board, a flexible circuit board, or a rigid-flexible circuit board. The host circuit board 90 may be implemented using an FR-4 dielectric board, a Rogers (Rogers) dielectric board, a hybrid FR-4 and Rogers dielectric board, or the like. Here, FR-4 is a code for a grade of flame-resistant material, and the Rogers dielectric plate is a high-frequency plate. In addition, the host circuit board 90 may be used to provide a chip. For example, the chip may be a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a Universal Flash Storage (UFS), and the like.

Referring to fig. 3 again, and referring to fig. 2, the camera module 100 is fixed inside the electronic device 1. Specifically, the camera module 100 is fixed to a side of the screen 80 facing the rear cover 72. In other embodiments, when the housing 70 includes a middle plate, the camera module 100 may be fixed to a surface of the middle plate facing the rear cover 72.

In addition, the host circuit board 90 is provided with a relief space 91. The shape of the escape space 91 is not limited to the rectangular shape illustrated in fig. 1 and 2. At this time, the shape of the host circuit board 90 is not limited to the "+" type illustrated in fig. 1 and 2. The camera module 100 is located in the escape space 91. In this way, the camera module 100 and the host circuit board 90 have an overlapping area in the Z-axis direction, thereby avoiding an increase in thickness of the electronic apparatus 1 due to stacking of the camera module 100 on the host circuit board 90. In other embodiments, the host circuit board 90 may not have the escape space 91. At this time, the camera module 100 may be stacked on the host circuit board 90 or spaced apart from the host circuit board 90.

In the present embodiment, the camera module 100 is electrically connected to the host circuit board 90. Specifically, the camera module 100 is electrically connected to the CPU through the host circuit board 90. When the CPU receives an instruction from a user, the CPU can send a signal to the camera module 100 through the host circuit board 90 to control the camera module 100 to shoot an image or record a video. In other embodiments, when the host circuit board 90 is not disposed in the electronic device 1, the camera module 100 may also directly receive an instruction from a user, and take a picture or record a video according to the instruction from the user.

Referring to fig. 3 again, the rear cover 72 is provided with a through hole 73. The through hole 73 communicates the inside of the electronic apparatus 1 to the outside of the electronic apparatus 1. The electronic apparatus 1 further includes a camera trim 61 and a second cover plate 62. Part of the camera trim 61 may be fixed to the inner surface of the rear cover 72, and part of the camera trim 61 contacts the hole wall of the through hole 73. The second cover plate 62 is fixedly attached to the inner surface of the camera trim 61. The camera decoration piece 61 and the second cover plate 62 separate the inside of the electronic apparatus 1 from the outside of the electronic apparatus 1, thereby preventing external water or dust from entering the inside of the electronic apparatus 1 through the through hole 73. The second cover plate 62 is made of a transparent material. Such as glass or plastic. At this time, ambient light outside the electronic device 1 can enter the inside of the electronic device 1 through the second cover 62. The camera module 100 collects ambient light entering the electronic device 1.

It is understood that the shape of the through-hole 73 is not limited to the circular shape illustrated in fig. 1 and 2. For example, the shape of the through hole 73 may be an ellipse or other irregular pattern.

In other embodiments, the camera module 100 can also collect ambient light passing through the rear cover 72. Specifically, the rear cover 72 is made of a transparent material. Such as glass or plastic. The surface of the rear cover 72 facing the inside of the electronic apparatus 1 is partially coated with ink and partially uncoated with ink. At this time, the area not coated with ink forms a light transmitting area. When the ambient light enters the inside of the electronic device 1 through the light-transmitting area, the camera module 100 collects the ambient light. It is understood that the electronic device 1 of the present embodiment may not be provided with the through hole 73, and may not be provided with the camera ornament 61 and the second cover plate 62. The electronic device 1 has better integrity and lower cost.

As shown in fig. 4 and 5, fig. 4 is a schematic structural diagram of the image pickup module 100 of the electronic apparatus 1 shown in fig. 1. Fig. 5 is a partially exploded view of the camera module 100 shown in fig. 4. The camera module 100 includes an optical lens 10, a module circuit board 20, a photosensitive chip 30 and a filter 40. The optical axis direction of the optical lens 10 is the same as the optical axis direction of the image pickup module 100.

The module circuit board 20 is fixed on the light emitting side of the optical lens 10, that is, the module circuit board 20 is located on the image side of the optical lens 10. Fig. 4 illustrates a shape in which the module circuit board 20 and the optical lens 10 substantially enclose a rectangular parallelepiped. Referring to fig. 3, the module circuit board 20 may be electrically connected to the host circuit board 90. In this way, signals can be transmitted between the host circuit board 90 and the module circuit board 20.

The module circuit board 20 may be a hard circuit board, a flexible circuit board, or a rigid-flex circuit board. In addition, the module circuit board 20 may be an FR-4 dielectric board, a Rogers (Rogers) dielectric board, a hybrid dielectric board of Rogers and FR-4, or the like.

Referring to fig. 3 again, the photosensitive chip 30 is fixed on the side of the module circuit board 20 facing the optical lens 10. The photosensitive chip 30 is electrically connected to the module circuit board 20. Thus, after the light sensor chip 30 collects the ambient light, the light sensor chip 30 generates a signal according to the ambient light, and transmits the signal to the host circuit board 90 via the module circuit board 20.

In one embodiment, the photo sensor chip 30 may be mounted on the module circuit board 20 by a Chip On Board (COB) technique. In other embodiments, the photosensitive chip 30 may also be packaged on the module circuit board 20 by Ball Grid Array (BGA) technology or Land Grid Array (LGA) technology.

In other embodiments, electronic components or other chips (e.g., driving chips) are also mounted on the module circuit board 20. Electronic components or other chips are disposed around the periphery of the photosensitive chip 30. The electronic component or other chips are used to assist the photosensitive chip 30 in collecting the ambient light, and the photosensitive chip 30 performs signal processing on the collected ambient light.

In other embodiments, a reinforcing plate is disposed on a side of the module circuit board 20 away from the photosensitive chip 30. For example, the reinforcing plate is a steel plate. The reinforcing plate can improve the strength of the module circuit board 20.

In other embodiments, the module circuit board 20 may also be partially provided with a sink, and in this case, the photosensitive chip 30 may be mounted in the sink. Thus, the photosensitive chip 30 and the module circuit board 20 have an overlapping area in the X-axis direction, and at this time, the image pickup module 100 can be set thin in the X-axis direction.

Referring to fig. 3 again, the filter 40 is located on a side of the photo sensor chip 30 facing the optical lens 10. The optical filter 40 may be configured to filter stray light of the ambient light passing through the optical lens 10, and transmit the filtered ambient light to the photosensitive chip 30, so as to ensure that the image captured by the electronic device 1 has better definition. The filter 40 may be, but is not limited to, a blue glass filter. For example, the filter 40 may be a reflective infrared filter, or a double-pass filter (the double-pass filter may transmit visible light and infrared light of ambient light simultaneously, or transmit visible light and other light of a specific wavelength (e.g., ultraviolet light) simultaneously, or transmit infrared light and other light of a specific wavelength (e.g., ultraviolet light) simultaneously).

Referring to fig. 6, fig. 6 is a partially exploded view of the optical lens 10 shown in fig. 5. The optical lens 10 includes a lens assembly 101 and a reflection assembly 11. The optical axis direction of the lens assembly 101 is the same as the optical axis direction of the optical lens 10. The reflection assembly 11 is fixed to the light incident side of the lens assembly 101. Fig. 5 illustrates a shape in which the reflection member 11 and the lens member 101 substantially enclose a rectangular parallelepiped. The reflective assembly 11 is used for reflecting ambient light so that the ambient light is transmitted into the lens assembly 101. In this embodiment, the reflection assembly 11 may be used to reflect the ambient light propagating along the Z-axis to the ambient light propagating along the X-axis. In other embodiments, the reflective assembly 11 may be used to reflect ambient light rays propagating in the Z-axis direction to ambient light rays propagating in other directions.

The reflection assembly 11 includes a prism motor 111 and a reflection member 112. The prism motor 111 is fixed to the light incident side of the lens assembly 101. The reflection member 112 is located inside the prism motor 111. The reflecting member 112 may be a triangular prism or a mirror. The reflecting member 112 of the present embodiment is described by taking a triangular prism as an example. It should be noted that the reference numerals of the triangular prism are the same as those of the reflecting member 112 hereinafter.

Referring to fig. 6 again, the prism motor 111 is provided with a first light hole 1111. The first light transmission hole 1111 communicates the inside of the prism motor 111 to the outside of the prism motor 111. The shape of the first light-transmitting hole 1111 is not limited to the rectangle illustrated in fig. 6. As shown in fig. 3, the first light-transmitting hole 1111 is disposed opposite to the second cover plate 62. At this time, ambient light outside the electronic device 1 can enter the prism motor 111 through the second cover plate 62 and the first light-transmitting hole 1111.

Referring to fig. 3 again, the prism motor 111 is provided with a second light hole 1112. The second light-transmitting hole 1112 communicates the inside of the prism motor 111 to the outside of the prism motor 111. The second light hole 1112 faces the lens assembly 101.

The prism 112 includes a light incident surface 1121, a reflecting surface 1122, and a light emitting surface 1123. The reflection surface 1122 is connected between the light incident surface 1121 and the light emitting surface 1123. The light incident surface 1121 is disposed opposite to the first light hole 1111. The light emitting surface 1123 is disposed opposite to the second light hole 1112. At this time, when the ambient light enters the inside of the prism motor 111 through the first light transmitting hole 1111, the ambient light enters the triangular prism 112 through the light incident surface 1121, and is reflected at the reflection surface 1122 of the triangular prism 112. At this time, the ambient light propagating in the Z-axis direction is reflected to propagate in the X-axis direction. Finally, the ambient light is transmitted out of the prism 112 through the light-emitting surface 1123 of the prism 112, and is transmitted out of the prism motor 111 through the second light-transmitting hole 1112.

It is understood that the ambient light traveling in the Z-axis direction is reflected to travel in the X-axis direction by the triangular prism 112 by disposing the triangular prism 112 inside the prism motor 111. In this way, the devices of the camera module 100 that receive the ambient light propagating in the X-axis direction can be arranged in the X-axis direction. Because the size of electronic equipment 1 in the X-axis direction is great, the device in camera module 100 is arranged more flexibly and more simply in the X-axis direction. In the present embodiment, the optical axis direction of the image pickup module 100 is the X-axis direction. In other embodiments, the optical axis direction of the camera module 100 may also be the Y-axis direction.

Referring to fig. 6 again, in conjunction with fig. 3, the prism 112 can be rotatably connected to the prism motor 111. In the present embodiment, the triangular prism 112 can be rotated in the XZ plane with the Y axis as the rotation axis. The triangular prism 112 can also be rotated on the XY plane with the Z axis as the rotation axis. It can be understood that the camera module 100 is easy to shake in the process of collecting the ambient light, and at this time, the transmission path of the ambient light is easy to deflect, so that the image shot by the camera module 100 is poor. In this embodiment, when the transmission path of the ambient light deviates, the prism motor 111 can drive the prism 112 to rotate, so as to adjust the transmission path of the ambient light by using the prism 112, reduce or avoid the deviation of the transmission path of the ambient light, and further ensure that the camera module 100 has a better shooting effect. Therefore, the reflection assembly 11 can have an optical anti-shake effect.

In other embodiments, the prism 112 may also be fixedly connected to the prism motor 111 or may also be slidably connected to the prism motor 111.

In the present embodiment, the lens assembly 101 has a plurality of arrangements. Several arrangements of the lens assembly 101 will be described in detail below with reference to the accompanying drawings.

The first embodiment: referring to fig. 7, fig. 7 is a partially exploded view of one embodiment of the lens assembly 101 shown in fig. 6. The lens assembly 101 includes a housing 12, a motor 14, a lens 15, a lens circuit board 16, a hall sensor 171, a detection magnet 172, and a self-locking assembly 50.

The housing 12 includes an upper cover 121 and a bottom plate 122. The upper cover 121 is mounted to the base plate 122. The upper cover 121 and the bottom plate 122 enclose a substantially rectangular parallelepiped. It should be noted that the upper part 122 of fig. 7 clearly marks the corresponding structure at the lower part of fig. 7. The upper label 122 of fig. 7 mainly illustrates that the bottom plate 122 and the upper cover 121 both belong to the housing 12.

In addition, the upper cover 121 includes a right side plate 1212, an upper side plate 1215, and a front side plate 1213 and a rear side plate 1214 that are oppositely disposed. The right side plate 1212 is connected between the front side plate 1213 and the rear side plate 1214. The upper side panel 1215 is connected between the front side panel 1213 and the rear side panel 1214.

In addition, the right side plate 1212 is provided with a third light transmission hole 1211. The third light-transmitting hole 1211 communicates the inside of the case 12 to the outside of the case 12. The shape of the third light hole 1211 is not limited to the rectangle illustrated in fig. 6 and 7. As shown in fig. 3, the third light hole 1211 is disposed opposite to the second light hole 1112. When the ambient light passes through the second light hole 1112 and out of the reflection assembly 11, the ambient light passes through the third light hole 1211 to the inside of the lens assembly 101.

Referring to fig. 8, fig. 8 is a partially exploded view of the motor 14 shown in fig. 7. The motor 14 includes a base plate 13, a guide rail 141, a fixed bracket 142, a first moving bracket 143, a second moving bracket 144, a first magnet 145, a first coil 146, a second magnet 147, and a second coil 148. It will be appreciated that the first magnet 145 and the first coil 146 form a first drive member. The second magnet 147 and the second coil 148 form a second driving member. The first driving member is used for driving the first moving bracket 143 to move along the X-axis direction. The second driving member is used for driving the second moving bracket 144 to move along the X-axis direction. In other embodiments, the number of driving members is not limited to the two illustrated in the present embodiment. The mobile support is not limited to the two illustrated in the present embodiment.

The substrate 13 has a plate-like structure. The substrate 13 is provided with a fourth light-transmitting hole 131. The fourth light-transmitting hole 131 penetrates through both surfaces of the substrate 13 opposite to each other. As shown in fig. 6, the substrate 13 is fixed on the side of the housing 12 away from the third light hole 1211. The substrate 13 and the housing 12 substantially enclose a rectangular parallelepiped. Fig. 3 also shows that the substrate 13 is fixed to the side of the housing 12 away from the third light-transmitting hole 1211, as shown in fig. 3. The fourth light-transmitting hole 131 communicates the inside of the case 12 to the outside of the case 12. In addition, the photosensitive chip 30 and the filter 40 are both located in the fourth light hole 131, and the filter 40 is fixed on the hole wall of the fourth light hole 131. Thus, when the ambient light propagates through the third light-transmitting hole 1211 to the inside of the housing 12, the ambient light can sequentially propagate through the fourth light-transmitting hole 131 to the filter 40 and the photo sensor chip 30.

Referring to fig. 8 again, the substrate 13 is formed with a plurality of first fixing holes 132. The number of the first fixing holes 132 is not limited to four as illustrated in fig. 8. The first fixing holes 132 each penetrate through both opposite surfaces of the substrate 13. The plurality of first fixing holes 132 are located at the periphery of the fourth light-transmitting hole 131.

In addition, the fixing bracket 142 is provided with a second fixing hole 1421. The second fixing hole 1421 penetrates through both opposite surfaces of the fixing bracket 142. The number of the second fixing holes 1421 is the same as the number of the first fixing holes 132.

Referring to fig. 9, fig. 9 is a partially exploded view of the motor 14 shown in fig. 7. The plurality of guide rails 141 are connected to the plurality of first fixing holes 132 in a one-to-one correspondence. The plurality of guide rails 141 are connected to the plurality of second fixing holes 1421 in a one-to-one correspondence. One end of the guide rail 141 is fixed in the first fixing hole 132, and the other end is fixed in the second fixing hole 1421. At this time, the substrate 13 is disposed opposite to the fixing bracket 142, and both the substrate 13 and the fixing bracket 142 are fixedly connected to the guide rail 141.

In addition, the fixing bracket 142 further has a first mounting hole 1422. As shown in connection with fig. 7, the lens 15 includes a second lens 152. The second lens 152 is mounted in the first mounting hole 1422. In this case, the second lens 152 is a fixed focus lens.

Referring to fig. 9 again, the first movable bracket 143 is located between the fixed bracket 142 and the substrate 13. The first moving bracket 143 is movably coupled to the guide rail 141. Specifically, the first moving bracket 143 has a plurality of first sliding holes 1433. The number of the first slide holes 1433 is the same as that of the guide rails 141. The plurality of guide rails 141 pass through the plurality of first slide holes 1433 in one-to-one correspondence. The rail 141 is slidable with respect to the hole wall of the first slide hole 1433.

As shown in fig. 8, the first moving support 143 includes a first portion 1431 and a second portion 1432 connected to the first portion 1431. Note that the upper reference 1432 of fig. 8 clearly identifies the corresponding structure below fig. 8. The top mark 1432 of fig. 8 mainly illustrates that the second portion 1432 and the first portion 1431 belong to the first moving support 143.

In addition, the first portion 1431 is provided with two first slide holes 1433. The first portion 1431 and the second portion 1432 together enclose two further first slide holes 1433. It can be understood that the difficulty of assembling the plurality of guide rails 141 and the first moving bracket 143 is reduced by arranging the first moving bracket 143 into the first portion 1431 and the second portion 1432.

Referring again to fig. 8, the first portion 1431 is provided with a second mounting hole 1434. The second mounting hole 1434 is disposed opposite the first mounting hole 1422. As described in connection with fig. 7, the lens 15 includes the first lens 151. The number of the first lenses 151 is two. The first lens 151 is mounted in the second mounting hole 1434. At this time, when the first moving bracket 143 slides with respect to the guide rail 141, the first lens 151 may also move with respect to the guide rail 141. In other embodiments, the number of the first lenses 151 mounted to the first moving support 143 may also be one, or more than two.

Referring again to fig. 8, the first portion 1431 is provided with a first mounting groove 1435. The first mounting groove 1435 is to fix the first magnet 145. As shown in fig. 9, the first magnet 145 substantially fills the first mounting groove 1435.

Referring again to fig. 9, the first coil 146 is located inside the housing 12 (see fig. 7). The first coil 146 is fixed to a surface of the front plate 1213 (see fig. 7) facing the first portion 1431. The first coil 146 faces the first magnet 145.

Referring to fig. 10, fig. 10 is a partially exploded view of the motor 14 shown in fig. 7. The second moving bracket 144 is positioned between the base plate 13 and the fixed bracket 142. The second moving bracket 144 is movably connected to the guide rail 141. Specifically, the second moving bracket 144 is provided with a plurality of second sliding holes 1443. The number of the second slide holes 1443 is the same as that of the guide rails 141. The plurality of guide rails 141 pass through the plurality of second slide holes 1443 in one-to-one correspondence. The guide rail 141 can slide relative to the wall of the second slide hole 1443. It is understood that the second moving bracket 144 may move simultaneously with the first moving bracket 143 or may move simultaneously with the first moving bracket 143.

As shown in fig. 8, the second moving bracket 144 includes a third portion 1441 and a fourth portion 1442 connected to the third portion 1441. The third part 1441 is provided with two second slide holes 1443. The third and

fourth portions

1441 and 1442 together enclose two further second slide holes 1443. It can be understood that the difficulty of assembling the plurality of guide rails 141 and the second moving bracket 144 is reduced by arranging the second moving bracket 144 into the third portion 1441 and the fourth portion 1442.

In addition, the third portion 1441 is provided with a third mounting hole 1444. The third mounting hole 1444 is disposed opposite the second mounting hole 1434. As shown in fig. 7, the third mounting hole 1444 is mounted with two first lenses 151. At this time, when the second moving frame 144 slides with respect to the guide rail 141, the two first lenses 151 may also move with respect to the guide rail 141. In other embodiments, the number of the first lenses 151 fixed by the third mounting holes 1444 may be one or more than two.

Referring to fig. 10 again, the third portion 1441 is provided with a second mounting groove 1445. The second mounting groove 1445 is for fixing the second magnet 147. In addition, the second coil 148 is located inside the housing 12 (see fig. 7). The second coil 148 is fixed on the surface of the rear side plate 1214 (see fig. 7) facing the third portion 1441. The second coil 148 faces the second magnet 147.

Referring to fig. 11, fig. 11 is a partial schematic structural diagram of the camera module 100 shown in fig. 4 according to the first embodiment. The lens circuit board 16 is located on one side of the motor 14. In addition, the substrate 13 is provided with a groove 133. Part of the lens circuit board 16 protrudes through the recess 133 and extends to be electrically connected to the module circuit board 20. Fig. 3 illustrates the lens circuit board 16 secured to the upper side plate 1215 of the housing 12. The lens circuit board 16 contacts the module circuit board 20.

The lens circuit board 16 may be a hard circuit board, a flexible circuit board, or a rigid-flex circuit board. In addition, the lens circuit board 16 may be an FR-4 dielectric board, a Rogers dielectric board, a mixed dielectric board of Rogers and FR-4, or the like.

Referring to fig. 11 again, the first coil 146 is electrically connected to the lens circuit board 16. At this time, the first coil 146 may be electrically connected to the module circuit board 20 through the lens circuit board 16. Thus, when the module circuit board 20 transmits a current signal to the first coil 146 through the lens circuit board 16, the first coil 146 is energized, and the first magnet 145 can generate an ampere force in the X-axis negative direction or the X-axis positive direction under the action of the first coil 146. At this time, the first magnet 145 pushes the first moving bracket 143 to move in the X-axis negative direction or the X-axis positive direction under an ampere force. In this way, the first lens 151 fixed to the first moving support 143 can also move in the X-axis negative direction or the X-axis positive direction.

It is understood that by changing the direction of the current signal on the first coil 146, or by positioning the S-pole or N-pole of the first magnet 145, the first magnet 145 can generate an ampere force in the negative X-axis direction or the positive X-axis direction when the first coil 146 is energized. At this time, the first magnet 145 can push the first moving bracket 143 to move in the X-axis negative direction or the X-axis positive direction under the ampere force.

Referring to fig. 11 again, and referring to fig. 10, the second coil 148 is electrically connected to the lens circuit board 16. At this time, the second coil 148 may be electrically connected to the module circuit board 20 through the lens circuit board 16. Thus, when the module circuit board 20 transmits a current signal to the second coil 148 through the lens circuit board 16, the second coil 148 is energized, and the second magnet 147 may generate an ampere force in the X-axis negative direction or the X-axis positive direction. At this time, the second magnet 147 pushes the second moving bracket 144 to move in the X-axis negative direction or the X-axis positive direction under the ampere force. In this way, the first lens 151 fixed to the second moving frame 144 can also move in the X-axis negative direction or the X-axis positive direction.

It will be appreciated that by changing the direction of the current signal on the second coil 148, or by positioning the S-pole or N-pole of the second magnet 147, the second magnet 147 can generate an ampere force in either the negative X-axis direction or the positive X-axis direction when the second coil 148 is energized. At this time, the second magnet 147 can push the second moving bracket 144 to move in the X-axis negative direction or the X-axis positive direction under the ampere force.

In other embodiments, the lens assembly 101 may not include the lens circuit board 16. At this time, the first coil 146 and the second coil 148 may be electrically connected to the module circuit board 20 through wires, respectively.

Referring to fig. 12, fig. 12 is a partial schematic structural diagram of the camera module 100 shown in fig. 4 according to the first embodiment. The first portion 1431 of the first moving bracket 143 is provided with a sink 1436. The opening of the countersunk groove 1436 faces the lens circuit board 16. Sensing magnet 172 is disposed within counterbore 1436. Thus, the detection magnet 172 does not increase the thickness of the imaging module 100 in the Z-axis direction.

In addition, the hall sensor 171 is fixed to a side of the lens circuit board 16 facing the first moving bracket 143, and is electrically connected to the lens circuit board 16. At this time, the hall sensor 171 is electrically connected to the module circuit board 20 through the lens circuit board 16. The hall sensor 171 is used to detect the magnetic field intensity when the detection magnet 172 is at different positions.

In addition, the second moving bracket 144 may also be provided with a sink. A detection magnet is arranged in the sinking groove. The lens circuit board 16 is provided with a hall sensor. The hall sensor is used to detect the magnetic field strength of the detection magnet on the second moving bracket 144.

It can be understood that when the user needs to focus the camera module 100, the lens circuit board 16 transmits a current signal to the first coil 146. The first magnet 145 moves the first moving bracket 143 in the positive X-axis direction or the negative X-axis direction with respect to the guide rail 141 under an ampere force. At this time, the first moving bracket 143 is liable to fail to move to the target position. In the present embodiment, the hall sensor 171 measures the magnetic field intensity at the position of the detection magnet 172, and determines whether the magnetic field intensity is equal to the preset magnetic field intensity at the target position. When the magnetic field strength is not equal to the preset magnetic field strength at the target position, the hall sensor 171 feeds back to the module circuit board 20 through the lens circuit board 16. At this time, the module circuit board 20 can provide the compensation current signal to the first coil 146, thereby allowing the first moving bracket 143 to accurately move to the target position. Like this, through setting up hall sensor 171 and detection magnet 172, can show the degree of accuracy that improves first movable support 143 and remove, also show the degree of accuracy that improves the module 100 of making a video recording of focusing promptly, and then make the effect preferred of the image that the module 100 of making a video recording shot.

It is understood that the hall sensor and the sensing magnet of the second moving bracket 144 are used in the same principle as the hall sensor 171 and the sensing magnet 172 of the first moving bracket 143. And will not be described in detail herein.

Referring to fig. 13, fig. 13 is a partial schematic structural diagram of the camera module 100 shown in fig. 4 according to the first embodiment. The self-locking assembly 50 is located inside the housing 12 (see fig. 7), and the self-locking assembly 50 is disposed on the bottom plate 122. In this embodiment, a portion of the self-locking assembly 50 is disposed adjacent to the first moving bracket 143. The self-locking assembly 50 is used to lock the first moving bracket 143 when energized. The power-on state of the self-locking assembly 50 may be determined according to whether the first moving bracket 143 moves relatively. For example, when the first moving bracket 143 is not relatively moved, the self-locking assembly 50 is not energized. When the first moving bracket 143 moves relatively, the self-locking assembly 50 is powered on. In addition, when the first moving bracket 143 is not relatively moved, the first moving bracket 143 is at the target position. The target position may be a focus position of the first movable bracket 143, or may be a fixed position of the first movable bracket 143 when the camera module 100 does not start shooting.

In the present embodiment, the self-locking assembly 50 locks the first moving bracket 143 by applying a pressure in the Y-axis direction to the first moving bracket 143. The structure and locking principle of the self-locking assembly 50 will be described in detail with reference to the accompanying drawings. And will not be described in detail herein.

It can be understood that when the first moving bracket 143 moves to the target position relative to the guide rail 141, the self-locking assembly 50 locks the first moving bracket 143, so that the first lens 151 on the first moving bracket 143 is stable, that is, the first lens 151 on the first moving bracket 143 is not easily moved by shaking or vibration from the outside, and thus when a user takes a picture, the taken picture is not easily deformed or blurred. Particularly, when the user takes a picture during the exercise, the effect of the image taken by the camera module 100 is better.

In addition, when the first movable bracket 143 moved to the target position is locked, the first movable bracket 143 can avoid collision with other components in the camera module 100, thereby reducing the risk of collision of the first movable bracket 143 and avoiding forced vibration. It is understood that forced vibration refers to vibration that occurs under the action of a periodic external force.

In other embodiments, a portion of the self-locking assembly 50 may also be disposed adjacent to the second movable bracket 144. The self-locking assembly 50 can be used to lock the second movable bracket 144 when energized.

In other embodiments, the self-locking assembly 50 is two-piece. One set is disposed adjacent to the first moving bracket 143 and the other set is disposed adjacent to the second moving bracket 144. At this time, the self-locking assembly 50 can be used to lock both the first moving bracket 143 when it is powered on and the second moving bracket 144 when it is powered on.

Referring to fig. 14, fig. 14 is a partially exploded view of the self-locking assembly 50 shown in fig. 13. The self-locking assembly 50 includes a first circuit board 51, a connector 52, a self-locking member 53, and a force applying member 54.

The first circuit board 51 may be a hard circuit board, a flexible circuit board, or a rigid-flex circuit board. In addition, the first circuit board 51 includes a first lead 511 and a second lead 512 that are disposed at an interval.

Referring to fig. 15, fig. 15 is a schematic partial structure diagram of the camera module 100 shown in fig. 13. The first circuit board 51 is fixed to the base plate 122. The first circuit board 51 is located at the periphery of the bottom plate 122. As shown in fig. 13, a part of the first circuit board 51 is located between the substrate 13 and the second moving support 144, that is, the first circuit board 51 and the second moving support 144 are spaced apart from each other. At this time, the space between the substrate 13 and the second moving bracket 144 can be effectively used, thereby remarkably improving space utilization. In addition, a communication hole 134 is opened at an end portion of the base plate 13 near the bottom plate 122. The communication hole 134 communicates a side of the substrate 13 close to the second moving holder 144 to a side of the substrate 13 away from the second moving holder 144. A part of the first circuit board 51 passes through the substrate 13 via the communication hole 134 and is electrically connected to the module circuit board 20. Thus, the signal can be transmitted to the first circuit board 51 via the module circuit board 20.

Referring to fig. 14 again, the connector 52 includes a fixing base 521, a connecting member 522 and a conductive sheet 523.

The fixing base 521 may be made of an insulating material. For example, the fixing base 521 is made of plastic. As shown in fig. 15, the fixing base 521 is fixed to the first circuit board 51. In other embodiments, the fixing base 521 is partially fixed to the first circuit board 51 and partially fixed to the bottom plate 122.

The conductive sheet 523 is made of a conductive material. For example, the conductive sheet 523 is a steel sheet, an aluminum sheet, or a copper sheet. The conductive plate 523 is fixed to the fixing base 521 by a connector 522.

Referring again to fig. 14, the connecting member 522 is a conductive post. The fixing base 521 and the conducting plate 523 are respectively provided with a first through hole 524. As shown in fig. 15, the connecting element 522 passes through the fixing base 521 and the first through hole 524 of the conducting strip 523 in sequence, and is fixed in the first through hole 524. Thus, the conductive plate 523 is fixed to the fixing base 521 by the connecting member 522. In other embodiments, the connector 522 may also include other fasteners, such as pins or screws.

In this embodiment, the connector 522 is made of a conductive material. When one end of the connector 522 passes through the through hole 524 of the fixing base 521, one end of the connector 522 is electrically connected to the first pin 511 of the first circuit board 51.

In other embodiments, the connector 52 may be a connector of other configurations. The connector can be electrically connected to the first pins 511 of the first circuit board 51. The specific embodiment is not limited.

Referring to fig. 16, fig. 16 is an exploded view of the self-locking member 53 shown in fig. 14. The self-locking member 53 includes a base 531, a rotating shaft 532, a rotating member 533, an elastic member 534, and a stopper 535. It is understood that the resilient member 534 may be a spring or a leaf spring. The elastic member 534 of the present embodiment is described by taking a spring as an example.

The base 531 includes a fixing portion 5311 and a limiting portion 5312. The limiting portion 5312 is connected to one side of the fixing portion 5311 and located at a periphery of the fixing portion 5311. At this time, the base 531 is substantially of a '+' type. The fixing portion 5311 and the limiting portion 5312 can be integrally formed. Fig. 16 schematically distinguishes the fixing portion 5311 and the stopper portion 5312 by a broken line.

In addition, the fixing portion 5311 is provided with a second through hole 5313. The second through hole 5313 penetrates through opposite surfaces of the fixing portion 5311. The second through holes 5313 are disposed opposite to the second leads 512 (see fig. 14).

As shown in fig. 15, the base 531 is spaced apart from the connector 52. The partial fixing portion 5311 is fixed to the bottom plate 122, and the partial fixing portion 5311 is fixed to the first circuit board 51. In other embodiments, the fixing portion 5311 may be fixed to the first circuit board 51. As shown in fig. 13, the base 531 is spaced apart from the first moving bracket 143.

Referring to fig. 15 and 16 again, one end of the rotating shaft 532 passes through the second through hole 5313 of the fixing portion 5311. The rotating shaft 532 is fixedly connected with the hole wall of the second through hole 5313. That is, one end of the rotation shaft 532 is fixed to the base 531. In addition, the material of the rotating shaft 532 is conductive material. For example, copper, aluminum, silver, gold, or an aluminum alloy, etc. The rotating shaft 532 passing through the second through hole 5313 of the fixing portion 5311 is electrically connected to the second lead 512 (see fig. 14).

Referring again to fig. 16, the rotating member 533 includes a middle portion 5331, a first end portion 5332, and a second end portion 5333. The first end portion 5332 and the second end portion 5333 are connected to two ends of the middle portion 5331, respectively. The first end portion 5332 and the second end portion 5333 are both bent toward the same side of the middle portion 5331.

In addition, the middle portion 5331 of the rotation member 533 is provided with two protrusions 5334. The two protrusions 5334 protrude in the opposite direction to the bending direction of the first end portion 5332 and the second end portion 5333. In other embodiments, the number of protrusions 5334 can be one, or more than two. In addition, the two protrusions 5334 are both provided with third through holes 5335. The third through hole 5335 penetrates through both surfaces of the protrusion 5334 opposite to each other.

As shown in fig. 15, the other end of the rotating shaft 532 sequentially passes through the third through holes 5335 on the two protrusions 5334 and rotates relative to the hole walls of the third through holes 5335. Thus, the rotating member 533 is rotatably connected to the fixing portion 5311 via the rotating shaft 532.

The rotor 533 is made of a conductive material. For example, copper, aluminum, silver, gold, or an aluminum alloy, etc. The rotation member 533 is electrically connected to the rotation shaft 532.

Referring to fig. 15 again, one end of the elastic element 534 is fixed to the position-limiting portion 5312 of the base 531, and the other end is fixed to the second end portion 5333 of the rotating element 533. At this time, the elastic member 534 is located on the side of the rotation member 533 away from the connector 52.

In addition, the stopper 535 is fixed on the side of the second end 5333 of the rotating member 533 away from the elastic member 534. At this time, the limiting block 535 is disposed opposite to the elastic member 534. The limiting block 414 may be made of a polymer material. For example, thermoplastic polyurethane elastomers (TPU), thermoplastic elastomers (TPE), thermoplastic rubber materials (TPR). In other embodiments, the material of the limiting block 414 may also be a metal material.

In this embodiment, the stop block 535 is fixed to the second end 5333 of the rotating member 533 by adhesive tape or glue. In other embodiments, the stop block 535 may be integrally formed with the second end 5333 of the rotating member 533.

Referring to fig. 15 again, one end of the force-applying element 54 is fixed to the conductive sheet 523 of the connector 52, and the other end is fixed to the first end 5332 of the rotating element 533. In the present embodiment, the conductive sheet 523 and the first end portion 5332 of the rotating member 533 are provided with the hook portion. At this time, both ends of the biasing member 54 are fixed to the conductive piece 523 and the hook portion of the first end portion 5332, respectively. Thus, the connection of the biasing member 54 to the conductive plate 523 and the rotating member 533 is more stable.

In addition, the force applying member 54 is a Shape Memory Alloy (SMA). Thus, a current path is formed between the first circuit board 51, the connector 522, the conductive plate 523, the biasing member 54, the rotating shaft 532, and the rotating member 533. It is understood that the current path refers to a loop in which current can be transmitted between the first circuit board 51, the connection member 522, the conductive plate 523, the force application member 54, the rotation shaft 532, and the rotation member 533.

It is understood that the force applying member 54 is used to apply a force to the rotating member 533 when being energized. The energizing state of the urging member 54 can be determined according to whether the first moving bracket 143 is relatively moved. For example, when the first moving bracket 143 is not relatively moved, the urging member 54 is not energized. When the first moving bracket 143 relatively moves, the urging member 54 is energized. In addition, when the first moving bracket 143 is not relatively moved, the first moving bracket 143 is at the target position.

When the biasing member 54 is energized, a current signal acts on the biasing member 54, and the biasing member 54 contracts. At this time, the urging member 54 generates a contraction force. Thus, the biasing member 54 in the contracted state can apply a biasing force to the first end portion 5332 of the rotating member 533. The biasing force is a contraction force generated when the biasing member 54 is energized. The direction of the acting force is the negative direction of the Y axis. Thus, when the pulling force applied to the first end portion 5332 is greater than the elastic force of the elastic element 534, the rotating element 533 rotates relative to the rotating shaft 532, the second end portion 5333 of the rotating element 533 compresses the elastic element 534, and the rotating element 533 drives the stopper 535 to rotate relative to the rotating shaft 532.

In this embodiment, the self-locking assembly 50 has two states. One is the locked state. One is the unlocked state. These two states will be described in detail below in connection with the associated figures.

And (3) locking state: referring to fig. 17 and 18, fig. 17 is a schematic diagram of a state of the structure of the camera module 100 shown in fig. 4 according to the first embodiment. Fig. 18 is an enlarged schematic view of a portion of the camera module 100 shown in fig. 17 at B. When the first moving bracket 143 moves to the target position, the module circuit board 20 does not transmit a current signal to the first circuit board 51, the force applying member 54 is not energized, the force applying member 54 does not contract, and the force applying member 54 does not apply a pulling force to the first end portion 5332 of the rotating member 533. At this time, since the elastic member 534 is in a compressed state, the first end portion 5332 of the rotating member 533 abuts against the stopper portion 5312 of the base 531 under the elastic force of the elastic member 534. In addition, the second end portion 5333 of the rotating member 533 drives the stopper 535 to rotate under the elastic force of the elastic member 534, so that the stopper 535 contacts with the first moving bracket 143, and a static friction force can be generated between the stopper 535 and the first moving bracket 143. It can be appreciated that the stop block 535 applies a pressure in the negative Y-axis direction to the first moving bracket 143. At this time, when the first moving bracket 143 tends to move in the X-axis direction, a static friction force is generated between the stopper 535 and the first moving bracket 143. Wherein the static friction force can prevent the first moving bracket 143 from sliding in the X-axis direction. Thus, the first moving bracket 143 is locked by the self-locking assembly 50.

In one embodiment, the locking state of the self-locking assembly 50 can be applied to a scene in which the camera module 100 is focused, or a scene in which the camera module 100 is not used for capturing images and videos.

An unlocking state: referring to fig. 19 in conjunction with fig. 17, fig. 19 is a schematic view of the camera module 100 shown in fig. 4 in another state of the structure of the first embodiment. When the first moving bracket 143 starts to move relative to the target position, the module circuit board 20 transmits a current signal to the first circuit board 51, and a loop is formed among the first circuit board 51, the connecting member 522, the conductive plate 523, the biasing member 54, the rotating shaft 532, and the rotating member 533. The urging member 54 is energized, and the urging member 54 contracts. The force applying member 54 generates a contraction force. Thus, the biasing member 54 in the contracted state can apply a pulling force to the first end portion 5332 of the rotating member 533, wherein the pulling force is in a negative direction of the Y axis. When the first end portion 5332 is under a pulling force greater than the elastic force of the elastic member 534, the second end portion 5333 of the rotating member 533 compresses the elastic member 534, and the rotating member 533 rotates relative to the rotating shaft 532. Thus, the first end portion 5332 of the rotating member 533 is separated from the stopper portion 5312 of the base 531. In addition, the rotating member 533 drives the limiting block 535 to rotate, so that the limiting block 535 is separated from the first moving bracket 143. The first moving bracket 143 is in an unlocked state.

In one scenario, the unlocked state of the self-locking assembly 50 can be applied to the camera module 100 in the focusing start scenario.

The self-locking assembly 50 of the first embodiment of the present embodiment is described above in detail. Several effects of the self-locking assembly 50 of the present embodiment will be described below with reference to the above respective drawings.

In this embodiment, the direction of the force applied to the rotating member 533 by the force applying member 54 is the same as the direction of the pressing force applied to the first moving bracket 143 by the stopper 535. At this time, the urging member 54 is located on the same side of the rotating member 533 as the first moving bracket 143. The extending direction of the biasing member 54 can have an overlapping region with the extending direction of the first moving holder 143 in the Y axis. Thus, when the length of the urging member 54 is increased to a large extent, the urging member 54 does not increase the length of the lens assembly 101 in the Y-axis direction either. Further, when the length of the biasing member 54 is increased to a large extent, the contracted length of the biasing member 54 when energized is also large, and at this time, the angle at which the biasing member 54 pulls the rotating member 533 to rotate is also large, and the distance between the stopper 535 and the first moving bracket 143 is also large. Thus, when the first moving bracket 143 moves in the X-axis direction, interference with the stopper 535 is not easily generated.

In other embodiments, the direction of the force applied by the force applying member 54 to the rotating member 533 and the direction of the pressure applied by the stopper 535 to the first moving bracket 143 may be different.

In this embodiment, the connection position between the stopper 535 and the rotating member 533 is the first position. The first position of the present embodiment is located at the second end portion 5333 of the rotating member 533. The connection position of the urging member 54 and the rotating member 533 (i.e., the urging position of the urging member 54 on the rotating member 533) is the second position. The second position of the present embodiment is located at the first end portion 5332 of the rotating member 533. The rotation position of the rotation member 533 is between the first position and the second position. At this time, the limiting block 535 and the force applying member 54 are located at two sides of the rotating shaft 532, and the limiting block 535 and the force applying member 54 are not easy to interfere with each other during movement, so as to ensure the reliability of the self-locking assembly 50.

In other embodiments, the first position and the second position may be located on the same side of the rotating member 533. For example, the first end portion 5332 of the rotating member 533 is rotatably connected to the base 531 via the rotating shaft 532. The urging member 54 urges the middle portion 5331 of the rotating member 533. The stopper 535 remains fixed to the second end 5333 of the rotating member 533.

In this embodiment, the elastic member 534 is located on a side of the rotating member 533 away from the stopper 535. At this time, the elastic member 534 is disposed away from the first moving bracket 143. At this time, when the first moving bracket 143 moves in the X-axis direction, the elastic member 534 is less likely to interfere with the first moving bracket 143, thereby ensuring the reliability of the self-locking assembly 50.

In addition, the resilient member 534 is disposed opposite the stop block 535. At this time, the elastic member 534 is disposed away from the urging member 54. At this time, when the force applying member 54 applies a pulling force to the rotation member 533, the elastic member 534 is not easily interfered with the force applying member 54, thereby ensuring the reliability of the self-locking assembly 50.

In other embodiments, the elastic member 534 is located on a side of the rotating member 533 close to the first moving bracket 143.

In other embodiments, the elastic member 534 can be located on the same side of the rotation member 533 as the force applying member 54.

In the present embodiment, the rotating shaft 532 can be used as a part of the current path as well as rotating the rotor 533 with respect to the base 531. The rotating shaft 532 has the effect of being multipurpose. In addition, the rotating member 533 can be used to drive the limiting block 535 to rotate, and can also be used as a part of the current path. The rotating member 533 also has a "one-object-multiple-use" effect.

In the present embodiment, the distance between the first position and the rotation position of the rotating member 533 is a first distance. The second position is a second distance from the rotational position of the rotating member 533. The first distance is greater than the second distance. At this time, when the force applying member 54 is energized, the angle at which the force applying member 54 pulls the rotating member 533 to rotate is large, and the distance between the stopper 535 and the first moving bracket 143 is also large. Thus, when the first moving bracket 143 moves in the X-axis direction, interference with the stopper 535 is not easily generated.

The above description specifically describes a structure of the camera module 100. A photographing method of the camera module 100 will be described with reference to the above structure of the camera module 100 (see fig. 1 to 19).

Referring to fig. 20, fig. 20 is a flowchart illustrating a shooting method of the camera module 100 shown in fig. 1 according to a first embodiment. The shooting method of the camera module 100 includes:

s100 receives a photographing signal. It is understood that the photographing signal may be a signal generated from the screen 10 when the user presses the screen 10. In addition, the shooting signal may also be a signal formed by processing the touch signal by a chip on the host circuit board 90 when the user presses the screen 10, and the screen 10 generates the touch signal and sends the touch signal to the host circuit board 90.

In the present embodiment, the module circuit board 20 may be used to receive a photographing signal.

S200 controls the force applying element 54 to be powered on, so that the force applying element 54 applies a force to the rotating element 533 to drive the rotating element 533 to overcome the elastic force of the elastic element 534, and drive the limiting block 535 to rotate and leave the first moving bracket 143. It is understood that the self-locking assembly 50 is used to lock the first movable bracket 143 in the present embodiment, and in other embodiments, the self-locking assembly 50 can also be used to lock the second movable bracket 144. In addition, when there are two sets of self-locking assemblies 50, one set of self-locking assemblies 50 is used for locking the first movable bracket 143, and the other set is used for locking the second movable bracket 144.

Specifically, the force application member 54 of the present embodiment is SMA. After the module circuit board 20 receives the shooting signal, the module circuit board 20 controls the force application member 54 to be powered on. At this time, the current signal acts on the urging member 54, and the urging member 54 contracts. The force applying member 54 generates a contraction force. Thus, the biasing member 54 in the contracted state can apply a pulling force to the first end portion 5332 of the rotating member 533. When the first end portion 5332 is under a pulling force greater than the elastic force of the elastic member 534, the rotating member 533 overcomes the elastic force of the elastic member 534, the second end portion 5333 of the rotating member 533 compresses the elastic member 534, and the rotating member 533 rotates relative to the rotating shaft 532. Thus, the stopper 535 also rotates relative to the shaft 532. The stopper 535 is separated from the first moving bracket 143.

S300 controls the first moving frame 143 to drive the first lens 151 to move along the optical axis of the optical lens 10.

It can be understood that, since the optical axis direction of the optical lens 10 is the X-axis direction, the first moving support 143 can drive the first lens 151 to move along the positive X-axis direction or the negative X-axis direction. The moving distance of the first lens 151 may be set according to a focusing requirement of a user.

In the present embodiment, when the module circuit board 20 transmits a current signal to the first coil 146 through the lens circuit board 16, the first coil 146 is energized, and the first magnet 145 may generate an ampere force in the negative direction of the X-axis by the first coil 146. At this time, the first magnet 145 pushes the first moving bracket 143 to move in the X-axis negative direction under an ampere force. In this way, the first lens 151 fixed to the first moving bracket 143 can also move in the X-axis negative direction.

S400, when the first movable bracket 143 moves to the target position, the force applying member 54 is controlled to be powered off, and the rotating member 533 drives the limiting block 535 to rotate under the elastic force of the elastic member 534, so that the limiting block 535 presses the first movable bracket 143.

Specifically, when the first movable bracket 143 moves to the target position, the module circuit board 20 controls the force application member 54 to be powered off. When the current signal is not applied to the biasing member 54, the biasing member 54 does not contract, and the biasing member 54 does not apply a pulling force to the first end portion 5332 of the rotating member 533. At this time, since the elastic member 534 is in a compressed state, the second end portion 5333 of the rotating member 533 drives the limiting block 535 to rotate under the elastic force of the elastic member 534, so that the limiting block 535 contacts with the first moving bracket 143, and a static friction force is generated between the limiting block 535 and the first moving bracket 143. Thus, the stopper 535 can press the first moving bracket 143.

S500 controls the photosensitive chip 30 to convert the optical signal into an electrical signal and output it.

Specifically, the module circuit board 20 controls the photosensitive chip 30 to collect the ambient light passing through the optical lens 10. Converts the collected ambient light into an electrical signal and outputs the electrical signal to the host circuit board 90.

In this embodiment, the self-locking assembly 50 locks the first movable bracket 143, so that the first lens 151 on the first movable bracket 143 is stable and good, that is, the first lens 151 on the first movable bracket 143 is not easily moved by shaking or vibration from the outside, and thus when a user takes a picture, the taken image is not easily deformed or blurred. Particularly, when the user takes a picture during the exercise, the effect of the image taken by the camera module 100 is better.

In one embodiment, after "controlling the first moving frame 143 to move the first lens 151 along the optical axis of the optical lens 10", the method further includes:

the hall sensor 171 detects the magnetic field intensity of the detection magnet 172.

When it is determined that the magnetic field strength is not equal to the predetermined magnetic field strength, the first moving bracket 143 is controlled to drive the first lens 151 to move to the target position along the optical axis direction of the optical lens 10.

It can be understood that when the user needs to focus the camera module 100, the lens circuit board 16 transmits a current signal to the first coil 146. The first magnet 145 moves the first moving bracket 143 in the positive X-axis direction or the negative X-axis direction with respect to the guide rail 141 under an ampere force. At this time, the first moving bracket 143 is liable to fail to move to the target position. In the present embodiment, the hall sensor 171 detects the magnetic field intensity of the detection magnet 172, and determines whether the magnetic field intensity is equal to a preset magnetic field intensity at a target position. When the magnetic field strength is not equal to the preset magnetic field strength at the target position, the hall sensor 171 feeds back to the module circuit board 20 through the lens circuit board 16. At this time, the module circuit board 20 can provide the compensation current signal to the first coil 146, thereby moving the first moving bracket 143 to the target position. In this way, the hall sensor 171 and the detection magnet 172 can improve the focusing accuracy of the camera module 100, so that the image captured by the camera module 100 has a better effect.

The above details a lens assembly 101. Another arrangement of the lens assembly 101 will be described in detail with reference to the related drawings.

In the second embodiment, the same technical contents as those in the first embodiment are not described again: referring to fig. 21, fig. 21 is a partially exploded view of another embodiment of the lens assembly 101 shown in fig. 6. The lens assembly 101 includes a housing 12, a motor 14, a lens 15, a lens circuit board 16, a hall sensor 171, a detection magnet 172, and a self-locking assembly 50. The arrangement of the housing 12, the motor 14, the lens 15, the lens circuit board 16, the hall sensor 171, and the detection magnet 172 may refer to the arrangement of the housing 12, the motor 14, the lens 15, the lens circuit board 16, the hall sensor 171, and the detection magnet 172 in the first embodiment. And will not be described in detail herein.

Referring to fig. 22, fig. 22 is a partial schematic structural diagram of the camera module 100 shown in fig. 4 according to a second embodiment. The self-locking assembly 50 is disposed adjacent to the first movable bracket 143, and a portion of the self-locking assembly 50 is located between the first movable bracket 143 and the bottom plate 122. The self-locking assembly 50 is used to lock the first moving bracket 143 when energized. In this embodiment, the self-locking assembly 50 locks the first moving bracket 143 by applying a pressure in the Z-axis direction to the first moving bracket 143. Compared with the self-locking assembly 50 of the first embodiment that presses the first moving bracket 143 along the Y-axis direction, the self-locking assembly 50 of this embodiment can effectively utilize the space between the first moving bracket 143 and the bottom plate 122, thereby improving the space utilization of the lens assembly 101.

Referring to fig. 23, fig. 23 is a partially exploded view of the self-locking assembly 50 shown in fig. 22. The self-locking assembly 50 includes a first circuit board 51, a self-locking member 53, and a force applying member 54.

The arrangement of the first circuit board 51 may refer to the arrangement of the first circuit board 51 of the first embodiment. And will not be described in detail herein. Unlike the first circuit board 51 of the first embodiment, the first circuit board 51 of the present embodiment has a short dimension in the Y axis direction. The first pin 511 and the second pin 512 of the first circuit board 51 may be disposed close to each other. Of course, in other embodiments, the first lead 511 and the second lead 512 may be separately disposed.

Referring to fig. 24, fig. 24 is an exploded view of the self-locking member 53 shown in fig. 23. The self-locking member 53 includes a base 531, a rotating shaft 532, a rotating member 533, an elastic member 534, and a stopper 535.

The base 531 includes a first fixing portion 5311, a connecting portion 5312 and a second fixing portion 5313. The connecting portion 5312 is located at one side of the first fixing portion 5311 and connected to a periphery of the first fixing portion 5311. The second fixing portion 5313 is connected to the connecting portion 5312 at a side away from the first fixing portion 5311. The second fixing portion 5313 is disposed opposite to the first fixing portion 5311. At this time, the partial connection portion 5312 is connected between the first fixing portion 5311 and the second fixing portion 5313. In this embodiment, the first fixing portion 5311, the connecting portion 5312 and the second fixing portion 5313 are integrally formed. Fig. 24 schematically distinguishes the first fixing portion 5311, the connecting portion 5312, and the second fixing portion 5313 by broken lines.

As shown in fig. 22, the first fixing portion 5311 is fixed to the bottom plate 122. At this time, the base 531 is fixed to the bottom plate 122. The base 531 is spaced apart from the first moving bracket 143. In other embodiments, a portion of the first fixing portion 5311 is fixed to the first circuit board 51, and a portion of the first fixing portion 5311 is fixed to the bottom plate 122.

Referring to fig. 24 again, the connecting portion 5312 is formed with a first through hole 5314. The first through hole 5314 penetrates opposite surfaces of the connection portion 5312.

In addition, the shaft 532 includes a main shaft 5321 and a collar 5322. The collar 5322 has a radius greater than the radius of the main shaft 5321. As shown in fig. 23, one end of the main shaft 5321 passes through the first through hole 5314 of the connecting portion 5312. The main shaft 5321 is fixedly connected to the wall of the first through hole 5314. In addition, the collar 5322 is sleeved on the main shaft 5321. The collar 5322 is rotatably connected to the spindle 5321.

Referring again to fig. 24, the rotating member 533 includes a middle portion 5331, a first end portion 5332, and a second end portion 5333. The first end portion 5332 and the second end portion 5333 are connected to two ends of the middle portion 5331, respectively. In this embodiment, the middle portion 5331 of the rotating member 533 is arc-shaped. The middle portion 5331 of the rotational member 533 is shaped to fit the shape of the outer surface of the collar 5322. In other embodiments, the middle portion 5331 of the rotational member 533 may have other shapes.

As shown in fig. 23, the middle portion 5331 of the rotating member 533 is fixed to the collar 5322. At this time, the middle portion 5331 of the rotating member 533 can rotate as the collar 5322 rotates relative to the main shaft 5321. At this time, the rotating member 533 is rotatably connected to the base 531 via the rotating shaft 532. In addition, the first end portion 5332 and the second end portion 5333 of the rotating member 533 are located on both sides of the collar 5322. The first end portion 5332 of the rotating member 533 is located on a side of the second fixing portion 5313 away from the first fixing portion 5311.

The rotor 533 is made of a magnetic material. For example, the rotating member 533 is a magnet or a magnetic steel.

Referring to fig. 23 and 24 again, one end of the elastic element 534 is fixed to the first fixing portion 5311 of the base 531, and the other end is fixed to the second end portion 5333 of the rotating element 533. It is understood that the resilient member 534 may be a spring or a leaf spring. The elastic member 534 of this embodiment is exemplified by a spring.

In addition, the stopper 535 is fixed to the first end portion 5332 of the rotating member 533 away from the second fixing portion 5313. The stopper 535 is located between the rotating member 533 and the first moving bracket 143 (see fig. 22). The material of the stopper 535 may refer to the material of the stopper 535 of the first embodiment. And will not be described in detail herein.

Referring to fig. 25 in conjunction with fig. 23, fig. 25 is a partially exploded view of the self-locking assembly 50 shown in fig. 22. The force applying element 54 includes a magnetic element 541 and a coil 542 wound on a surface of the magnetic element 541. In addition, the first fixing portion 5311 and the second fixing portion 5313 of the base 531 are both provided with a second through hole 5315.

One end of the magnetic element 541 passes through the second through hole 5315 of the first fixing portion 5311 and is fixedly connected with the hole wall of the second through hole 5315. The other end of the magnetic element 541 passes through the second through hole 5315 of the second fixing portion 5313 and faces the first end portion 5332 of the rotating element 533. Thus, the connection stability of the magnetic member 541 and the base 531 is better.

The coil 542 is located between the first fixing portion 5311 and the second fixing portion 5313. The input terminal of the coil 542 is electrically connected to the first pin 511 of the first circuit board 51. The output terminal of the coil 542 is electrically connected to the second pin 512 of the first circuit board 51. At this time, the first circuit board 51 and the coil 542 form a current path.

It is understood that the force applying member 54 serves to apply a force to the rotating member 533 when the coil 542 is energized. The energization state of the coil 542 may be determined according to whether the first moving holder 143 is relatively moved. For example, when the first moving support 143 is not relatively moved, the coil 542 is not energized. When the first moving bracket 143 moves relatively, the coil 542 is energized. In addition, when the first moving bracket 143 is not relatively moved, the first moving bracket 143 is at the target position.

Specifically, when the coil 542 is energized, a current signal acts on the coil 542, and the coil 542 generates a magnetic field. At this time, since the material of the rotating member 533 is magnetic, a magnetic attraction force is generated between the urging member 54 and the first end portion 5332 of the rotating member 533. The urging member 54 is for urging the rotating member 533 when energized. The acting force is a magnetic attraction force between the force applying member 54 and the rotating member 533. When the magnetic attraction between the force applying member 54 and the first end portion 5332 of the rotating member 533 is greater than the elastic force of the elastic member 534, the second end portion 5333 of the rotating member 533 stretches the elastic member 534, and the middle portion 5331 of the rotating member 533 rotates along with the rotation of the collar 5322 relative to the main shaft 5321. Thus, the stopper 535 fixed to the first end portion 5332 of the rotating member 533 also rotates with the collar 5322 relative to the main shaft 5321.

And (3) locking state: referring to fig. 26 and 27, fig. 26 is a schematic diagram illustrating a state of the camera module 100 shown in fig. 4 according to the second embodiment. Fig. 27 is an enlarged schematic view of a portion of the camera module 100 shown in fig. 26 at C. When the first moving bracket 143 moves to the target position, the module circuit board 20 does not transmit a current signal to the first circuit board 51, and the coil 542 is not energized. In addition, since the elastic member 534 is in a stretched state, the elastic member 534 applies an elastic force in the negative Z-axis direction to the second end portion 5333 of the rotation member 533. At this time, the stopper 535 contacts the first moving bracket 143 by the elastic force of the elastic member 534, and generates a static friction force with the first moving bracket 143. It will be appreciated that the stop block 535 applies a positive Z-direction pressure to the first movable bracket 143. At this time, when the first moving bracket 143 tends to move in the X-axis direction, a static friction force is generated between the stopper 535 and the first moving bracket 143. Wherein the static friction force can prevent the first moving bracket 143 from sliding in the X-axis direction. Thus, the first moving bracket 143 is locked by the self-locking assembly 50.

An unlocking state: referring to fig. 28 in conjunction with fig. 26, fig. 28 is a schematic view of another state of the structure of the camera module 100 shown in fig. 4 according to the second embodiment. When the first moving bracket 143 starts to move relative to the target position, the module circuit board 20 transmits a current signal to the first circuit board 51, the coil 542 is energized, and the coil 542 generates a magnetic field. At this time, since the material of the rotating member 533 is a magnetic material, a magnetic attraction force is generated between the biasing member 54 and the first end portion 5332 of the rotating member 533. At this time, the first end portion 5332 of the rotating member 533 is subjected to a tensile force in the negative Z-axis direction. In addition, since the elastic member 534 is in a stretched state, the elastic member 534 applies a tensile force in the negative Z-axis direction to the second end portion 5333 of the rotation member 533. At this time, the first end portion 5332 of the rotating member 533 receives an elastic force in the positive direction of the Z-axis. It can be understood that when the magnetic attraction between the force applying member 54 and the first end portion 5332 of the rotating member 533 is greater than the elastic force of the elastic member 534, the second end portion 5333 of the rotating member 533 stretches the elastic member 534, and the middle portion 5331 of the rotating member 533 rotates along with the rotation of the collar 5322 relative to the main shaft 5321. At this time, the first end portion 5332 of the rotating member 533 rotates to contact the magnetic member 541. The rotating member 533 rotates the limiting block 535, so that the limiting block 535 is separated from the first moving bracket 143. The first moving bracket 143 is in an unlocked state.

The self-locking assembly 50 of the second embodiment of the present embodiment is described above in detail. Several effects of the self-locking assembly 50 of the present embodiment will be described below with reference to the above respective drawings.

In the present embodiment, the direction of the urging force applied to the rotating member 533 by the urging member 54 is opposite to the direction of the pressing force applied to the first moving bracket 143 by the stopper 535. At this time, the urging member 54 is located on a different side of the rotating member 533 from the first moving bracket 143. When the first moving bracket 143 moves in the X-axis direction, the first moving bracket 143 does not easily interfere with the urging member 54. In addition, the magnetic field generated by the biasing member 54 does not easily affect the movement of the first moving bracket 143 in the X-axis direction.

In other embodiments, the direction of the force applied by the force applying member 54 to the rotating member 533 is the same as the direction of the pressing force applied by the stopper 535 to the first moving bracket 143.

In this embodiment, the connection position between the stopper 535 and the rotating member 533 is the first position. The first position of the present embodiment is located at the first end 5332 of the rotating member 533. The connection position of the urging member 54 and the rotating member 533 (i.e., the urging position of the urging member 54 on the rotating member 533) is the second position. The second position of the present embodiment is also located at the first end 5332 of the rotor 533. The first position and the second position are both located on the same side of the rotation position of the rotation member 533. At this time, the self-locking assembly 50 is compact. The urging member 54 has a short urging distance to the stopper 535.

In other embodiments, the first position and the second position may be located on different sides of the rotating member 533. For example, the first position is at the first end 5332 of the rotating member 533. The second position is located at the second end 5333 of the rotating member 533.

In the present embodiment, the elastic member 534 and the force applying member 54 are located on the same side of the rotating member 533. At this time, when the first moving bracket 143 is moving, the elastic member 534 does not easily collide with or interfere with the first moving bracket 143.

In addition, the elastic member 534 and the urging member 54 are located on both sides of the rotation position of the rotation member 533. At this time, when the urging member 54 urges the rotating member 533, the elastic member 534 does not easily interfere with the urging member 54.

The above description specifically describes a structure of the camera module 100. A photographing method of the camera module 100 will be described with reference to the above structure of the camera module 100 (see fig. 21 to 28).

The shooting method of the camera module 100 comprises;

a photographing signal is received. It is understood that the photographing signal may be a signal generated from the screen 10 when the user presses the screen 10. In addition, the shooting signal may also be a signal formed by processing the touch signal by a chip on the host circuit board 90 when the user presses the screen 10, and the screen 10 generates the touch signal and sends the touch signal to the host circuit board 90.

The force applying element 54 is controlled to be powered on, so that the force applying element 54 applies a force to the rotating element 533 to drive the rotating element 533 to overcome the elastic force of the elastic element 534, and drive the limiting block 535 to rotate and leave the first moving bracket 143. It is understood that the self-locking assembly 50 is used to lock the first movable bracket 143 in the present embodiment, and in other embodiments, the self-locking assembly 50 can also be used to lock the second movable bracket 144. In addition, when there are two sets of self-locking assemblies 50, one set of self-locking assemblies 50 is used for locking the first movable bracket 143, and the other set is used for locking the second movable bracket 144.

Specifically, the force applying element 54 includes a magnetic element 541 and a coil 542 wound around a surface of the magnetic element 541. After the module circuit board 20 receives the photographing signal, the module circuit board 20 controls the coil 542 to be energized. At this time, the coil 542 generates a magnetic field. Since the rotating member 533 is made of a magnetic material, a magnetic attraction force is generated between the force applying member 54 and the first end portion 5332 of the rotating member 533. At this time, the first end portion 5332 of the rotating member 533 is subjected to a tensile force in the negative Z-axis direction. In addition, since the elastic member 534 is in a stretched state, the elastic member 534 applies a tensile force in the negative Z-axis direction to the second end portion 5333 of the rotation member 533. At this time, the first end portion 5332 of the rotating member 533 receives an elastic force in the positive direction of the Z-axis. It can be understood that when the magnetic attraction between the force applying element 54 and the first end portion 5332 of the rotating element 533 is greater than the elastic force of the elastic element 534, the rotating element 533 overcomes the elastic force of the elastic element 534, the second end portion 5333 of the rotating element 533 stretches the elastic element 534, and the middle portion 5331 of the rotating element 533 rotates as the collar 5322 rotates relative to the main shaft 5321. At this time, the first end portion 5332 of the rotating member 533 rotates to contact the magnetic member 541. Thus, the rotating member 533 rotates the stopper 535, so that the stopper 535 is separated from the first moving bracket 143.

The first moving frame 143 is controlled to drive the first lens 151 to move along the optical axis of the optical lens 10.

When the first movable bracket 143 moves to the target position, the force applying member 54 is controlled to be powered off, and the rotating member 533 drives the limiting block 535 to rotate under the elastic force of the elastic member 534, so that the limiting block 535 presses the first movable bracket 143.

Specifically, when the first moving bracket 143 moves to the target position, the module circuit board 20 controls the coil 542 to be de-energized. At this time, the coil 542 is not energized. The coil 542 does not generate a magnetic field. In addition, since the elastic member 534 is in a stretched state, the elastic member 534 applies an elastic force in the negative Z-axis direction to the second end portion 5333 of the rotation member 533. At this time, the stopper 535 contacts the first moving bracket 143 by the elastic force of the elastic member 534, and generates a static friction force with the first moving bracket 143. Thus, the stopper 535 can press the first moving bracket 143.

The control photosensitive chip 30 converts the optical signal into an electrical signal and outputs the electrical signal.

In other embodiments, the self-locking assembly 50 may be disposed at the second moving bracket 144. At this time, the self-locking assembly 50 can also perform the above-mentioned steps on the second moving bracket 144. Details are not described herein.

When it is determined that the magnetic field strength is not equal to the predetermined magnetic field strength, the first movable bracket 143 is controlled to drive the first lens 151 to move to the target position along the optical axis direction of the optical lens.

It can be understood that the focusing accuracy of the camera module 100 can be improved by the hall sensor 171 and the detection magnet 172, so that the image captured by the camera module 100 has a better effect.

Two specific arrangements of the lens assembly 101 are described above. Another arrangement of the lens assembly 101 will be described in detail with reference to the related drawings.

In the third embodiment, the same technical contents as those of the first embodiment and the second embodiment are not repeated: referring to fig. 29, fig. 29 is a partially exploded view of another embodiment of the lens assembly 101 shown in fig. 6. The lens assembly 101 includes a housing 12, a motor 14, a lens 15, a lens circuit board 16, a hall sensor 171, a detection magnet 172, and a self-locking assembly 50. The arrangement of the housing 12, the motor 14, the lens 15, the lens circuit board 16, the hall sensor 171, and the detection magnet 172 may refer to the arrangement of the housing 12, the motor 14, the lens 15, the lens circuit board 16, the hall sensor 171, and the detection magnet 172 in the first embodiment. And will not be described in detail herein.

Referring to fig. 30, fig. 30 is a schematic diagram of a state of the camera module 100 shown in fig. 4 according to a third embodiment. The self-locking assembly 50 is disposed adjacent to the second movable bracket 144. The self-locking assembly 50 is used to lock the second movable bracket 144 when energized. The power-on condition of the self-locking assembly 50 can be determined according to whether the second moving bracket 144 moves relatively. For example, when the second movable bracket 144 is not relatively moved, the self-locking assembly 50 is not energized. When the second moving bracket 144 moves relatively, the self-locking assembly 50 is powered on. In addition, when the second moving bracket 144 is not relatively moved, the second moving bracket 144 is in a fixed position. The fixed position is a position of the second movable bracket 144 when the camera module 100 does not start shooting.

In this embodiment, the self-locking assembly 50 is used to lock the fourth portion 1442 of the second movable bracket 144 when powered. It is understood that the self-locking assembly 50 of the present embodiment locks the second movable bracket 144 in a fixed position, as compared to the self-locking assemblies 50 of the first and second embodiments. The position can be flexibly set according to requirements.

In other embodiments, the self-locking assembly 50 can also be used to lock the third portion 1441 of the second movable bracket 144 when powered.

In other embodiments, a portion of the self-locking assembly 50 may also be disposed adjacent to the first movable bracket 143. The self-locking assembly 50 may be used to lock the first mobile bracket 143 when energized.

Referring to fig. 31, fig. 31 is a partially exploded view of the self-locking assembly 50 shown in fig. 30. The self-locking assembly 50 includes a first circuit board 51, a first latch 52 and a second latch 53.

The arrangement of the first circuit board 51 may refer to the arrangement of the first circuit board 51 of the second embodiment. And will not be described in detail herein. The first circuit board 51 includes a first lead 511 and a second lead 512.

The first locking member 52 is a plate-shaped structure. The first locking member 52 has a first through hole 521. The first through hole 521 penetrates through two opposite surfaces of the first fastener 52. Referring to fig. 30, a portion of the first latch 52 is fixed to the fourth portion 1442 of the second moving bracket 144, and a portion of the first latch 52 extends toward the base 13. In this embodiment, the first latch 52 can be fixed to the fourth portion 1442 of the second moving bracket 144 by glue or adhesive tape. In other embodiments, the first latch 52 can be integrally formed with the fourth portion 1442 of the second movable bracket 144.

Referring to fig. 32, fig. 32 is a partially exploded view of the second locking member 53 shown in fig. 30. The second latch 53 includes a base 531, a force applying member 532, an elastic member 533, a sliding block 534, and a stopper 535. It is understood that the elastic member 533 may be a spring or a leaf spring. The elastic member 533 of this embodiment is exemplified by a spring.

The base 531 includes a fixing portion 5311, a connecting portion 5312, a first position-limiting portion 5313 and a second position-limiting portion 5314. The connecting portion 5312 is located at one side of the fixing portion 5311 and connected to a periphery of the fixing portion 5311. The first position-limiting portion 5313 and the second position-limiting portion 5314 are connected to the connecting portion 5312. The first position-limiting portion 5313 and the second position-limiting portion 5314 are located on the same side of the connecting portion 5312 as the fixing portion 5311. The first position-limiting portion 5313 is disposed opposite to the second position-limiting portion 5314. In this embodiment, the fixing portion 5311, the connecting portion 5312, the first position-limiting portion 5313 and the second position-limiting portion 5314 are integrally formed. Fig. 32 schematically illustrates the fixing portion 5311, the connecting portion 5312, the first position-limiting portion 5313, and the second position-limiting portion 5314 by dashed lines. In another embodiment, the fixing portion 5311, the connecting portion 5312, the first position-limiting portion 5313 and the second position-limiting portion 5314 may be bonded by adhesive tape or glue.

As shown in fig. 30, the connecting portion 5312 is fixed to the bottom plate 122. At this time, the base 531 is fixed to the bottom plate 122. In other embodiments, a portion of the connecting portion 5312 is fixed to the first circuit board 51, and a portion of the connecting portion 5312 is fixed to the bottom plate 122.

Referring to fig. 32 again, the fixing portion 5311 is provided with a second through hole 5315. The second through hole 5315 penetrates through opposite surfaces of the fixing portion 5311.

The arrangement of the biasing member 532 can be referred to the arrangement of the biasing member 54 of the second embodiment. The force applying member 532 includes a magnetic member 5321 and a coil 5322 wound on the surface of the magnetic member 5321.

Referring to fig. 33, fig. 33 is a partial structural schematic view of the second locking element 53 shown in fig. 31. One end of the magnetic member 5321 passes through the second through hole 5315 of the fixing portion 5311 (see fig. 32) and is fixedly connected to the wall of the second through hole 5315. The coil 5322 is located on one side of the fixing portion 5311 close to the first position-limiting portion 5313 and the second position-limiting portion 5314. As shown in fig. 31, the input terminal of the coil 5322 is electrically connected to the first pin 511 of the first circuit board 51. The output terminal of the coil 5322 is electrically connected to the second pin 512 of the first circuit board 51. At this time, the first circuit board 51 and the coil 5322 form a current path.

Referring to fig. 34 in combination with fig. 33, fig. 34 is a partial structural schematic view of the second locking member 53 shown in fig. 31. The elastic member 533 is sleeved with the force applying member 532, i.e. the force applying member 532 is located inside the elastic member 533. In this case, the biasing member 532 can effectively utilize the internal space of the elastic member 533, thereby improving the space utilization of the self-locking assembly 50. In addition, one end of the elastic member 533 is fixed to the fixing portion 5311 of the base 531. At this time, the elastic element 533 is located at a side of the first locking element 52 away from the second moving bracket 144 (see fig. 30). In other embodiments, the elastic member 533 is not sleeved on the force applying member 532, and the elastic member 533 and the force applying member 532 are spaced apart from each other.

In addition, the sliding block 534 is fixed to an end of the elastic member 533 away from the fixing portion 5311. At this time, one end of the magnetic member 5321 faces the slide block 534. In addition, the sliding block 534 is slidably connected between the first position-limiting portion 5313 and the second position-limiting portion 5314. The slider 534 is made of magnetic material. The slider 534 is, for example, a magnet or magnetic steel.

In addition, the stopper 535 is connected to a side of the sliding block 534 away from the elastic member 533. At this time, the limiting block 535 is located between the elastic member 533 and the first moving bracket 143 (see fig. 30). The stopper 535 may be made of a different material or the same material as the slider 534. For example, when the material of the stopper 535 is different from the material of the sliding block 534, the material of the stopper 535 may refer to the material of the stopper 535 of the first embodiment.

In this embodiment, the stopper 535 is fixed to the side of the sliding block 534 away from the elastic member 533 by glue or adhesive tape. In other embodiments, the sliding block 534 and the stop block 535 can be integrally formed.

It will be appreciated that the stop block 535 serves to lock the second movable bracket 144 in the event that the coil 5322 is energized. The energization of the coil 5322 may be determined according to whether the second movable holder 144 is relatively moved. For example, when the second moving support 144 does not move relatively, the coil 5322 is not energized. When the second moving support 144 moves relatively, the coil 5322 is energized. In addition, when the second moving bracket 144 is not relatively moved, the second moving bracket 144 is at the target position.

And (3) locking state: referring to fig. 35, fig. 35 is an enlarged schematic view of a portion of the camera module 100 shown in fig. 30 at D. When the second moving bracket 144 moves to the fixed position, the module circuit board 20 does not transmit the electrical signal to the first circuit board 51. At this time, the coil 5322 is not energized (see fig. 33). Coil 5322 produces no magnetic field. In addition, since the elastic member 533 is in a compressed state, the elastic member 533 applies an elastic force in the Y-axis negative direction to the slide block 534. At this time, the sliding block 534 is pressed between the elastic member 533 and the top of the first stopper portion 5313 and the top of the second stopper portion 5314. Thus, the stopper 535 is supported by the sliding block 534, and a part of the stopper 535 is located in the first through hole 521 of the first latch 52. The wall of the first through hole 521 can limit the movement of the stop block 535, so that the second movable bracket 144 is in a locked state.

It can be understood that the stopper 535 is pressed in the first through hole 521 of the first snap-fit element 52, so that the stability of the stopper 535 is better, that is, the stopper 535 is not easily removed from the first through hole 521 of the first snap-fit element 52.

In one embodiment, the locking state of the self-locking assembly 50 can be applied to a situation where the camera module 100 is not in use.

In other embodiments, the elastic member 533 may be in a natural state. At this time, part of the limiting block 535 may also be located in the first through hole 521 of the first fastener 52.

An unlocking state: referring to fig. 36, fig. 36 is a schematic view of another state of the structure of the camera module 100 shown in fig. 4 according to the third embodiment. When the second movable bracket 144 needs to move along the X-axis direction from the fixed position, the module circuit board 20 transmits an electrical signal to the first circuit board 51, the coil 5322 (see fig. 33) is energized, and the coil 5322 generates a magnetic field. At this time, since the sliding block 534 is made of a magnetic material, a magnetic attraction force is generated between the urging member 532 and the sliding block 534. At this time, the slide block 534 receives the urging force applied by the urging member 532, which is the magnetic attraction between the urging member 532 and the slide block 534. In addition, since the elastic member 533 is in a compressed state, the elastic member 533 applies an elastic force in the Y-axis negative direction to the slide block 534. When the magnetic attraction force applied to the sliding block 534 is greater than the elastic force applied to the sliding block 534 in the negative direction of the Y-axis, the sliding block 534 slides in the positive direction of the Y-axis relative to the first position-limiting portion 5313 and the second position-limiting portion 5314 under the action of the tensile force. At this time, the limiting block 535 overcomes the elastic force of the elastic member 533 under the pulling force of the sliding block 534, and moves out of the first through hole 521 of the first locking member 52. The second moving bracket 144 is in the unlocked state.

In one scenario, the unlocked state of the self-locking assembly 50 may be applied to a scenario where the camera module 100 starts to be used.

In another embodiment, the second latch 53 of the present embodiment may be configured by the connector 52, the self-locking piece 53, and the biasing piece 54 of the first embodiment.

In another embodiment, the second locking piece 53 of the present embodiment may be configured by the self-locking piece 53 and the biasing piece 54 of the second embodiment.

In another embodiment, the structure of the connector 52, the self-locking piece 53, and the biasing piece 54 of the first embodiment may be the structure of the second locking piece 53 of the present embodiment.

In another embodiment, the structure of the latching member 53 and the biasing member 54 according to the second embodiment may be the structure of the second locking member 53 according to the present embodiment.

The above description specifically describes a structure of the camera module 100. Another photographing method of the camera module 100 will be described below with reference to the above structure of the camera module 100 (see fig. 1 to 12 and fig. 29 to 36).

Referring to fig. 37, fig. 37 is a flowchart illustrating a shooting method of the camera module 100 shown in fig. 1 according to a third embodiment. The shooting method of the camera module 100 includes:

S200 controls the force applying member 532 to be powered on, so that the force applying member 532 applies a force to the stopper 535 to drive the stopper 535 to move out of the first through hole 521 against the elastic force of the elastic member 533.

In this embodiment, the biasing member 532 includes a magnetic member 5321 and a coil 5322 wound around the surface of the magnetic member 5321. When the module circuit board 20 receives the photographing signal, the module circuit board 20 controls the coil 5322 to be energized. The coil 5322 generates a magnetic field. In addition, since the sliding block 534 is made of a magnetic material, a magnetic attraction force is generated between the force application member 532 and the sliding block 534. At this time, the slider 534 receives a pulling force in the positive Y-axis direction. In addition, since the elastic member 533 is in a compressed state, the elastic member 533 applies an elastic force in the Y-axis negative direction to the slide block 534. When the sliding block 534 receives a pulling force in the positive Y-axis direction that is greater than the elastic force in the negative Y-axis direction, the sliding block 534 slides in the positive Y-axis direction relative to the first position-limiting portion 5313 and the second position-limiting portion 5314 under the pulling force. The limiting block 535 overcomes the elastic force of the elastic member 533 under the pulling force of the sliding block 534, and moves out of the first through hole 521 of the first locking member 52.

S300 controls the second moving frame 144 to drive the first lens 151 to move from the fixed position to the target position along the optical axis of the optical lens 10.

Specifically, the module circuit board 20 transmits a current signal to the second coil 148 through the lens circuit board 16. The second coil 148 is energized and the second magnet 147 may generate an ampere force in the negative X-axis direction. At this time, the second magnet 147 pushes the second moving bracket 144 to move in the X-axis negative direction under the ampere force. Thus, the first lens 151 fixed to the second moving bracket 144 can also move in the X-axis negative direction.

It is understood that the fixed position refers to a position of the second moving bracket 144 within the moving stroke range. The position can be flexibly set according to requirements. The target position refers to any position of the second moving bracket 144 within the moving stroke range.

S400 controls the photosensitive chip 30 to convert the optical signal into an electrical signal and output it.

S500 controls the second moving frame 144 to drive the first lens 151 to move from the target position to the fixed position along the optical axis of the optical lens 10.

Specifically, the module circuit board 20 transmits a current signal to the second coil 148 through the lens circuit board 16. The second coil 148 is energized and the second magnet 147 may generate an ampere force in the positive X-axis direction. At this time, the second magnet 147 pushes the second moving bracket 144 to move in the positive X-axis direction under the ampere force. In this way, the first lens 151 fixed to the second moving frame 144 can also move in the X-axis positive direction.

It will be appreciated that by changing the direction of the current signal on the second coil 148, or by positioning the S-pole or N-pole of the second magnet 147, the second magnet 147 can generate an ampere force in the positive X-direction when the second coil 148 is energized. At this time, the second magnet 147 can push the second moving bracket 144 to move in the positive X-axis direction under the ampere force.

S600 controls the force applying member 532 to be powered off, and a part of the limiting block 535 extends into the first through hole 521 under the elastic force of the elastic member 533.

Specifically, after the first movable bracket 143 moves to the fixed position, the module circuit board 20 controls the coil 5322 to be powered off. At this time, coil 5322 is not energized. Coil 5322 produces no magnetic field. Since the elastic member 533 is in a compressed state, the elastic member 533 applies an elastic force in the Y-axis negative direction to the slide block 534. At this time, the sliding block 534 is pressed between the elastic member 533 and the top of the first stopper portion 5313 and the top of the second stopper portion 5314. Thus, the stopper 535 extends into the first through hole 521 of the first latch 52 under the supporting force of the sliding block 534. Thus, the wall of the first through hole 521 can limit the movement of the stopper 535.

In one embodiment, in the step of controlling the second moving frame 144 to drive the first lens 151 to move from the fixed position to the target position along the optical axis direction of the optical lens 10, and the optical lens 10 collects the ambient light, the method further includes:

It can be understood that the hall sensor 171 and the detection magnet 172 can improve the shooting accuracy of the camera module 100, so that the image shot by the camera module 100 has a better effect.

Another arrangement of the lens assembly 101 will be described in detail with reference to the related drawings.

In the fourth embodiment, the same technical contents as those in the first to third embodiments are not repeated: referring to fig. 38, fig. 38 is a partially exploded view of another embodiment of the lens assembly 101 shown in fig. 6. The lens assembly 101 includes a housing 12, a motor 14, a lens 15, a lens circuit board 16, a hall sensor 171, a detection magnet 172, and a self-locking assembly 50. The arrangement of the housing 12, the motor 14, the lens 15, the lens circuit board 16, the hall sensor 171, and the detection magnet 172 may refer to the arrangement of the housing 12, the motor 14, the lens 15, the lens circuit board 16, the hall sensor 171, and the detection magnet 172 in the first embodiment. And will not be described in detail herein.

Referring to fig. 39, fig. 39 is a schematic diagram of a state of the camera module 100 shown in fig. 4 according to the fourth embodiment. The self-locking assembly 50 is disposed adjacent to the first moving bracket 143. The self-locking assembly 50 is used to lock the first moving bracket 143 when energized. The power-on state of the self-locking assembly 50 may be determined according to whether the first moving bracket 143 moves relatively. For example, when the first moving bracket 143 is not relatively moved, the self-locking assembly 50 is not energized. When the first moving bracket 143 moves relatively, the self-locking assembly 50 is powered on. In addition, when the first moving bracket 143 is not relatively moved, the first moving bracket 143 is in a fixed position. The fixed position is a position of the first movable bracket 143 when the camera module 100 does not start shooting.

The self-locking assembly 50 is used for locking the first moving bracket 143 when the first moving bracket 143 moves to a fixed position relative to the guide rail 141. It is understood that the self-locking assembly 50 of this embodiment locks the first moving bracket 143 in a fixed position, as in the third embodiment. The fixed position refers to a position of the first moving bracket 143 within the moving stroke range. The position can be flexibly set according to requirements.

In other embodiments, a portion of the self-locking assembly 50 may also be disposed adjacent to the second movable bracket 144. The self-locking assembly 50 may be used to lock the second moving bracket 144 when the second moving bracket 144 is moved to the fixed position.

In other embodiments, the self-locking assembly 50 is two-piece. A sleeve is provided adjacent to the first moving bracket 143 for locking the first moving bracket 143 when the first moving bracket 143 is moved to a fixed position with respect to the guide rail 141. Another set is provided adjacent to the second moving bracket 144 for locking the second moving bracket 144 when the second moving bracket 144 is moved to the fixed position.

Referring to fig. 40, fig. 40 is a partially exploded view of the self-locking assembly 50 shown in fig. 39. The self-locking assembly 50 includes a first circuit board 51, a first latch 52 and a second latch 53.

The arrangement of the first circuit board 51 may refer to the arrangement of the first circuit board 51 of the first embodiment. And will not be described in detail herein. The first circuit board 51 includes a first pin 511 and a second pin 512.

The first locking member 52 is a plate-shaped structure. The first locking member 52 has a first through hole 521. The first through hole 521 penetrates through two opposite surfaces of the first fastener 52. Referring to fig. 39, a part of the first latch 52 is fixed to the first moving bracket 143.

Referring to fig. 41, fig. 41 is a partially exploded view of the second locking member 53 shown in fig. 40. The second latch 53 includes an elastic member 531, a force applying member 532 and a stopper 533. The elastic member 531 of the present embodiment is described by taking an elastic sheet as an example.

The elastic member 531 includes a first fixing portion 5311, a connecting portion 5312 and a second fixing portion 5313. The connecting portion 5312 is connected between the first fixing portion 5311 and the second fixing portion 5313. The second fixing portion 5313 is disposed opposite to the first fixing portion 5311. At this time, the elastic member 531 is substantially C-shaped. In this embodiment, the connection portion 5312 has an arc shape. The elasticity of the elastic member 531 is more preferable. In other embodiments, the connection portion 5312 may have a bar shape or other shapes.

In this embodiment, the connecting portion 5312 and the second fixing portion 5313 are made of conductive materials.

Referring to fig. 41 again, the first fixing portion 5311 includes a first conductive segment 5314, an insulating segment 5315 and a second conductive segment 5316. The insulated segment 5315 has one end connected to the first conductor segment 5314 and another end connected to the second conductor segment 5316. The second conductive segment 5316 is connected to the connection portion 5312. In this embodiment, insulated segments 5315 are on the same side of first conductive segment 5314 as second conductive segment 5316. In other embodiments, insulated segments 5315 may also be located between first and second

conductive segments

5314 and 5316.

Referring to fig. 42, fig. 42 is a partial structural view of the self-locking assembly 50 shown in fig. 39. The first fixing portion 5311 of the elastic member 531 is fixed to the first circuit board 51. The elastic member 531 is located at a side of the first locking member 52 (see fig. 39) away from the first moving bracket 143 (see fig. 39).

In addition, the limiting block 533 is fixed to the second fixing portion 5313 on a side away from the first fixing portion 5311. At this time, the stopper 533 is located between the first moving bracket 143 and the second fixing portion 5313 of the elastic member 531. The material of the stopper 533 may be the same as or different from that of the second fixing portion 5313. When the material of the stopper 533 is different from that of the second fixing portion 5313, the material of the stopper 533 may also be the stopper 535 of the first embodiment.

In this embodiment, the limiting block 533 is fixed to the second fixing portion 5313 at a side away from the first fixing portion 5311 by glue or adhesive tape. In other embodiments, the stopper 533 and the second fixing portion 5313 may be integrally formed.

In addition, the first conductive segment 5314 is electrically connected to the first pin 511 of the first circuit board 51. The second conductive segment 5316 is electrically connected to the second pin 512 of the first circuit board 51.

In addition, the urging member 532 is SMA. The force applying member 532 has one end connected to the first conductive segment 5314 and the other end connected to the second fixing portion 5313. Thus, the first circuit board 51, the first conductive segment 5314, the biasing member 532, the second fixing portion 5313, the connecting portion 5312 and the second conductive segment 5316 form a current path.

It is understood that the stopper 533 is used to lock the first moving bracket 143 when the force applying member 532 is energized. The energizing state of the urging member 532 may be determined according to whether the first moving bracket 143 is relatively moved. For example, when the first moving bracket 143 is not relatively moved, the force application member 532 is not energized. When the first moving bracket 143 moves relatively, the urging member 532 is energized. In addition, when the first moving bracket 143 is not relatively moved, the first moving bracket 143 is in a fixed position.

Specifically, when a current signal is applied to the force applying member 532, the force applying member 532 contracts. At this time, the force application member 532 generates a contraction force. Thus, the biasing member 532 in the contracted state can apply a tensile force to the second fixing portion 5313. When the second fixing portion 5313 is subjected to a tensile force greater than the elastic force of the connecting portion 5312, the connecting portion 5312 is bent. Thus, the second fixing portion 5313 drives the stopper 533 to move.

And (3) locking state: referring to fig. 43, fig. 43 is an enlarged schematic view of a portion of the camera module 100 shown in fig. 39 at E. When the first moving bracket 143 moves to the fixed position, the module circuit board 20 does not transmit a current signal to the first circuit board 51, and the force application member 532 is not energized. The force applying member 532 is not contracted. The force applying member 532 does not apply a pulling force to the second fixing portion 5313. At this time, a part of the stopper 533 is located in the first through hole 521 of the first fastener 52. The wall of the first through hole 521 can limit the movement of the stopper 533. At this time, the first moving bracket 143 is in a locked state.

An unlocking state: referring to fig. 44, fig. 44 is a schematic view of another state of the structure of the camera module 100 shown in fig. 4 according to the fourth embodiment. When the first movable bracket 143 needs to move from the fixed position along the X-axis direction, the module circuit board 20 transmits a current signal to the first circuit board 51, and the force applying member 532 is energized. The force applying member 532 contracts. At this time, the force application member 532 generates a contraction force. Thus, the biasing member 532 in the contracted state can apply a tensile force to the second fixing portion 5313. When the second fixing portion 5313 is subjected to a tensile force greater than the elastic force of the connecting portion 5312, the connecting portion 5312 is bent. Thus, the second fixing portion 5313 drives the stopper 533 to move. At this time, the limiting block 533 is moved out of the first through hole 521 of the first fastener 52. Thus, the first moving bracket 143 is in the unlocked state.

The above description specifically describes a structure of the camera module 100. Another photographing method of the camera module 100 will be described below with reference to the above structure of the camera module 100 (see fig. 38 to 44).

The shooting method of the camera module 100 includes:

The force applying member 532 is controlled to be powered on, so that the force applying member 532 applies a force to the stopper 535 to drive the stopper 535 to overcome the elastic force of the elastic member 533 and move out of the first through hole 521.

In this embodiment, the urging member 532 is SMA. After the module circuit board 20 receives the shooting signal, the module circuit board 20 controls the force application member 532 to be powered on. At this time, the urging member 532 contracts. The force application member 532 generates a contraction force. Thus, the biasing member 532 in the contracted state can apply a tensile force to the second fixing portion 5313. When the second fixing portion 5313 is subjected to a tensile force greater than the elastic force of the connecting portion 5312, the connecting portion 5312 is bent. Thus, the second fixing portion 5313 drives the stopper 533 to move. At this time, the limiting block 533 is moved out of the first through hole 521 of the first fastener 52.

The first moving frame 143 is controlled to drive the first lens 151 to move from the fixed position to the target position along the optical axis of the optical lens 10.

It is understood that the fixed position refers to a position of the first moving bracket 143 within the moving stroke range. The position can be flexibly set according to requirements. The target position refers to an arbitrary position of the first moving bracket 143 within the moving stroke range.

Specifically, the module circuit board 20 transmits a current signal to the first coil 146 through the lens circuit board 16. The first coil 146 is energized, and the first magnet 145 can generate a force to push the first moving bracket 143 to move along the negative X-axis direction under an ampere force along the negative X-axis direction by the magnet 145 under the action of the first coil 146. In this way, the first lens 151 fixed to the first moving bracket 143 can also move in the X-axis negative direction.

The second moving frame 144 is controlled to drive the first lens 151 to move from the target position to the fixed position along the optical axis of the optical lens 10.

Specifically, the module circuit board 20 transmits a current signal to the first coil 146 through the lens circuit board 16. When the first coil 146 is energized, the first magnet 145 can generate an ampere force in the positive direction of the X-axis by the first coil 146. At this time, the first magnet 145 pushes the first moving bracket 143 to move in the X-axis positive direction under an ampere force. In this way, the first lens 151 fixed to the first moving bracket 143 can also move in the X-axis positive direction.

It will be appreciated that by changing the direction of the current signal on the first coil 146, or by positioning the S-pole or N-pole of the first magnet 145, the first magnet 145 can generate an ampere force in the positive X-axis direction when the first coil 146 is energized. At this time, the first magnet 145 can push the first moving bracket 143 to move in the positive X-axis direction under an ampere force.

The force applying member 532 is controlled to be powered off, and a part of the limiting block 535 extends into the first through hole 521 under the elastic force of the elastic member 533.

Specifically, after the first movable bracket 143 moves to the fixed position, the module circuit board 20 controls the force application member 532 to be powered off. At this time, the force applying member 532 is not energized, and the current signal does not act on the force applying member 532. The force applying member 532 is not contracted. At this time, the limiting block 533 extends into the first through hole 521 of the first locking member 52 under the elastic force of the connecting portion 5312. The wall of the first through hole 521 can limit the movement of the stopper 533.

In one embodiment, in "controlling the first moving frame 143 to drive the first lens 151 to move from the fixed position to the target position along the optical axis direction of the optical lens 10, and the optical lens 10 collects the ambient light", the method further includes:

It is understood that the four camera modules 100 are specifically described above with reference to the drawings. Each camera module 100 is provided with a self-locking assembly 50. It can be understood that when the first lens 151 of the camera module 100 moves to the target position, the motor is locked by the self-locking assembly 50, so that the first lens 151 on the motor 14 is stable, that is, the first lens 151 on the motor 14 is not easily moved by shaking or vibration from the outside, and thus when a user takes a picture, the taken image is not easily deformed or blurred. Particularly, when the user takes a picture during the exercise, the effect of the image taken by the camera module 100 is better. Therefore, the image shot by the camera module 100 of the present application has a better effect.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An optical lens is characterized by comprising a motor, a first lens and a self-locking assembly; the motor comprises a driving piece and a moving bracket, the first lens is arranged on the moving bracket, and the driving piece is used for driving the moving bracket to move along the optical axis direction of the optical lens;

the self-locking assembly comprises a base, a rotating part, a force application part, an elastic part and a limiting block; the base and the movable support are arranged at intervals, the rotating part is rotatably connected to the base, one end of the elastic part is connected to the rotating part, the other end of the elastic part is connected to the base, the limiting block is positioned between the rotating part and the movable support and fixed on the rotating part, and the force application part is used for applying acting force to the rotating part when the rotating part is electrified;

when the force application member is not electrified, the limiting block is contacted with the movable support under the elasticity of the elastic member, and static friction force can be generated between the limiting block and the movable support;

2. An optical lens barrel according to claim 1, wherein the connection position of the stopper and the rotating member is a first position, the position of the force applied to the rotating member by the force applying member is a second position, and the rotating position of the rotating member is located between the first position and the second position.

3. An optical lens according to claim 2, wherein the force applying member is a shape memory alloy, and the direction of the force is the same as the pressure applied to the movable bracket by the stopper.

4. An optical lens barrel according to claim 3, wherein the rotating member is made of a conductive material, and the self-locking assembly further includes a first circuit board, a connector, and a shaft;

the first circuit board and the movable support are arranged at intervals, and the first circuit board comprises a first pin and a second pin which are arranged at intervals;

the connector is fixed on the first circuit board and electrically connected to the first pin, one end of the force application part is fixed on the connector, and the other end of the force application part is fixed on the rotating part;

one end of the rotating shaft is fixed on the base, the other end of the rotating shaft is rotatably connected to the rotating piece, and the rotating shaft is electrically connected to the second pin.

5. An optical lens according to claim 3, wherein the elastic member is located on a side of the rotating member away from the stopper, and the elastic member is disposed opposite to the stopper.

6. An optical lens barrel according to claim 1, wherein the connection position of the stopper and the rotating member is a first position, the position of the force applied to the rotating member by the force applying member is a second position, and the first position and the second position are located on the same side of the rotating position of the rotating member.

7. An optical lens according to claim 6, wherein the rotating member is made of a magnetic material; the force application part comprises a magnetic part and a coil wound on the surface of the magnetic part, one end of the magnetic part is fixed on the base, the other end of the magnetic part faces the rotating part, and the direction of the force is opposite to the pressure applied to the movable support by the limiting block.

8. An optical lens barrel according to claim 7, wherein the elastic member and the force applying member are located on the same side of the rotating member, and the elastic member and the force applying member are located on both sides of the rotational position of the rotating member.

9. An optical lens barrel according to any one of claims 1 to 8, wherein the motor further includes a base plate, a fixing bracket disposed opposite to the base plate, and a guide rail having one end fixed to the base plate and the other end fixed to the fixing bracket; the movable support is located between the substrate and the fixed support and movably connected to the guide rail, the optical lens further comprises a second lens, the second lens is mounted on the fixed support, and the second lens is located on the object side of the first lens.

10. An optical lens as claimed in claim 9, characterized in that the optical lens further comprises a housing, the substrate and the fixing bracket being located inside the housing and fixed to the housing;

the movable support comprises a first movable support and a second movable support which are arranged at intervals, and the driving piece comprises a first magnet, a first coil, a second magnet and a second coil; the first magnet is fixed on the first movable bracket, and the first coil is fixed on the inner side of the shell and faces the first magnet; the second magnet is fixed on the second movable support, and the second coil is fixed on the inner side of the shell and faces the second magnet.

11. An optical lens as recited in claim 10, further comprising a lens circuit board electrically connected to the first coil and the second coil.

12. An optical lens as claimed in any one of claims 1 to 8, characterized in that the optical lens further comprises a hall sensor and a detection magnet, the detection magnet is fixed to the moving bracket, and the hall sensor is used for detecting the magnetic field intensity when the detection magnet is at different positions.

13. An optical lens according to any one of claims 1 to 12, characterized in that the optical lens further comprises a prism motor and a reflector; the reflecting piece is rotatably connected to the prism motor and used for reflecting ambient light so that the ambient light can be transmitted to the first lens.

14. An optical lens is characterized by comprising a motor, a first lens and a self-locking assembly; the motor comprises a driving piece and a moving bracket, the first lens is arranged on the moving bracket, and the driving piece is used for driving the moving bracket to move along the optical axis direction of the optical lens;

the self-locking assembly comprises a first fastener and a second fastener; the first buckle piece is fixed on the movable support and provided with a first through hole; the second buckling piece comprises an elastic piece, a limiting block and a force application piece, the elastic piece is positioned on one side, away from the movable support, of the first buckling piece, the limiting block is positioned between the elastic piece and the movable support, the limiting block is fixed at one end of the elastic piece, and the force application piece is used for applying acting force to the limiting block when the power is on;

when the force application member is not electrified, part of the limiting block is positioned in the first through hole;

15. An optical lens barrel according to claim 14, wherein the second latch further comprises a base and a slider; one end of the elastic piece, which is far away from the limiting block, is fixed on the base;

the sliding block is connected between the elastic piece and the limiting block, the sliding block is connected to the base in a sliding mode, and the sliding block is made of a magnetic material;

the force application piece comprises a magnetic piece and a coil wound on the surface of the magnetic piece, one end of the magnetic piece is fixed on the base, and the other end of the magnetic piece faces the sliding block.

16. An optical lens barrel according to claim 15, wherein said elastic member is fitted over said force-applying member.

17. An optical lens unit according to claim 15 or 16, wherein the elastic member exerts an elastic force on the slider when the force-applying member is not energized.

18. An optical lens according to claim 14, wherein the elastic member includes a first fixing portion, a connecting portion and a second fixing portion, the connecting portion is connected between the first fixing portion and the second fixing portion, the second fixing portion is disposed opposite to the first fixing portion, and the stopper is fixed to a side of the second fixing portion away from the first fixing portion;

19. An optical lens according to claim 18, wherein the second fixing portion and the connecting portion are made of conductive materials; the self-locking assembly further comprises a first circuit board, and the first circuit board comprises a first pin and a second pin which are arranged at intervals;

the first fixing portion comprises a first conductive section, an insulating section and a second conductive section, one end of the insulating section is connected to the first conductive section, the other end of the insulating section is connected to the second conductive section, the first conductive section is connected to one end of the force application part, the second conductive section is connected to the connecting portion, the first conductive section is electrically connected to the first pin, and the second conductive section is electrically connected to the second pin.

20. An optical lens barrel according to any one of claims 14 to 19, wherein the motor further includes a base plate, a fixing bracket disposed opposite to the base plate, and a guide rail having one end fixed to the base plate and the other end fixed to the fixing bracket; the movable support is located between the substrate and the fixed support and movably connected to the guide rail, the optical lens further comprises a second lens, the second lens is mounted on the fixed support, and the second lens is located on the object side of the first lens.

21. An optical lens as claimed in claim 20, characterized in that the optical lens further comprises a housing, the substrate and the fixing bracket being located inside the housing and fixed to the housing;

22. An optical lens as recited in claim 21, further comprising a lens circuit board electrically connected to the first coil and the second coil.

23. An optical lens as claimed in any one of claims 14 to 19, characterized in that the optical lens further comprises a hall sensor and a detection magnet, the detection magnet being fixed to the moving bracket, the hall sensor being configured to detect the magnetic field strength when the detection magnet is at different positions.

24. A camera module, characterized in that a module circuit board, a photosensitive chip, an optical filter and the optical lens according to any one of claims 1 to 23;

the module circuit board is positioned on the image side of the optical lens; the photosensitive chip is fixed on one side, facing the optical lens, of the module circuit board and used for collecting ambient light passing through the optical lens;

the optical filter is fixed on one side of the photosensitive chip facing the optical lens.

25. An electronic device comprising a housing and the camera module of claim 24, wherein the camera module is mounted to the housing.

26. The shooting method of the camera module is characterized in that the camera module comprises an optical lens and a photosensitive chip, wherein the photosensitive chip is positioned on the image side of the optical lens;

the optical lens comprises a motor, a first lens and a self-locking assembly; the motor comprises a driving piece and a moving bracket, the first lens is arranged on the moving bracket, and the driving piece is used for driving the moving bracket to move along the optical axis direction of the optical lens; the self-locking assembly comprises a base, a rotating part, a force application part, an elastic part and a limiting block; the base and the movable support are arranged at intervals, the rotating part is rotatably connected to the base, one end of the elastic part is connected to the rotating part, the other end of the elastic part is connected to the base, the limiting block is positioned between the rotating part and the movable support, and the limiting block is fixed on the rotating part;

the shooting method comprises the following steps:

receiving a shooting signal;

27. The camera module of claim 26, wherein the optical lens further comprises a hall sensor and a detection magnet, the detection magnet is fixed to the movable bracket;

the Hall sensor detects the magnetic field intensity of the detection magnet;

28. The shooting method of the camera module is characterized in that the camera module comprises an optical lens and a photosensitive chip, wherein the photosensitive chip is positioned on the image side of the optical lens;

the optical lens comprises a motor, a first lens and a self-locking assembly; the motor comprises a driving piece and a moving bracket, the first lens is arranged on the moving bracket, and the driving piece is used for driving the moving bracket to move along the optical axis direction of the optical lens; the self-locking assembly comprises a first fastener and a second fastener; the first buckle piece is fixed on the movable support and provided with a first through hole; the second buckling piece comprises an elastic piece, a limiting block and a force application piece, the elastic piece is positioned on one side, away from the movable support, of the first buckling piece, the limiting block is positioned between the elastic piece and the movable support, and the limiting block is fixed at one end of the elastic piece;

the shooting method comprises the following steps:

receiving a shooting signal;