CN113489905A

CN113489905A - Camera module, electronic equipment and control method of electronic equipment

Info

Publication number: CN113489905A
Application number: CN202110774968.XA
Authority: CN
Inventors: 李博正
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-10-08
Anticipated expiration: 2041-07-08
Also published as: CN113489905B

Abstract

The application discloses camera module, electronic equipment and control method of the electronic equipment, and belongs to the technical field of camera equipment. The camera module comprises a first support, a camera assembly and at least three driving mechanisms, wherein the at least three driving mechanisms surround a light inlet channel of the camera assembly, and are respectively in rotating fit with the side surfaces of the camera assembly. The at least three driving mechanisms are arranged on the first support and can move towards or away from the first support relative to the first support respectively so as to drive the camera assembly to rotate relative to the first support. The camera module with the anti-shake function has the advantages that the problem that the camera module with the anti-shake function is complex in structure and large in occupied space can be solved.

Description

Camera module, electronic equipment and control method of electronic equipment

Technical Field

The application belongs to the technical field of camera equipment, and particularly relates to a camera module, electronic equipment and a control method of the electronic equipment.

Background

With the development of the technology, the shooting performance of the electronic equipment is better and better. Wherein, more and more electronic equipment adopts the anti-shake technique, and the anti-shake technique can make the user overcome because handheld harmful effects that shake brought at the shooting in-process to can promote and shoot the quality.

In view of the fact that the current optical anti-shake technology and the electronic anti-shake technology can not meet the anti-shake requirement, the electronic equipment is provided with the micro-cloud platform mechanism in the related art, the micro-cloud platform mechanism realizes that the camera can rotate around two rotating shafts through a relatively complex support structure, and the camera anti-shake deflection is realized. The micro holder mechanism has the defects of complex structure, large occupied space and the like, and has large assembly difficulty in electronic equipment with more and more narrow space.

Disclosure of Invention

The embodiment of the application aims to provide a camera module, electronic equipment and a control method of the electronic equipment, and the problems that the camera module with an anti-shake function is complex in structure and large in occupied space can be solved.

In order to solve the technical problem, the present application is implemented as follows:

a camera module comprises a first support, a camera assembly and at least three driving mechanisms, wherein the at least three driving mechanisms surround a light inlet channel of the camera assembly, and are respectively in rotating fit with the side surface of the camera assembly; the at least three driving mechanisms are arranged on the first support and can move towards or away from the first support relative to the first support respectively so as to drive the camera assembly to rotate relative to the first support.

Based on the module of making a video recording in the above, this application still provides an electronic equipment, and this electronic equipment includes the above the module of making a video recording.

Based on the electronic equipment provided by the application, the application also provides a control method of the electronic equipment. The control method of the electronic equipment comprises the following steps:

under the condition that the electronic equipment is in a shooting mode, acquiring the shaking direction and shaking angle of the electronic equipment;

according to the shaking direction and the shaking angle of the electronic equipment, the driving mechanism is controlled to move relative to the first support respectively, the camera assembly is driven to rotate relative to the first support in the opposite direction of shaking of the electronic equipment, and the rotating angle of the camera assembly relative to the first support is controlled, so that shaking of the camera assembly is reduced.

The technical scheme adopted by the application can achieve the following beneficial effects:

the camera module disclosed by the embodiment of the application comprises at least three driving mechanisms. The driving mechanism surrounds the light inlet channel of the camera assembly and is in running fit with the side face of the camera assembly, so that the driving mechanism can stably support the camera assembly, and the camera assembly can rotate around the connection position of each driving mechanism and the camera assembly relative to the first support. Through controlling the relative first support motion of actuating mechanism respectively for camera subassembly rotates around different axes relative first support, and then realizes that camera subassembly compensates the shake that camera module group appears at the shooting in-process to equidirectional, in order to weaken or eliminate the shake of camera subassembly when shooing, promotes camera subassembly and shoots the quality. Compared with the prior art, the structure does not need the degree of freedom of the multilayer suspension structure arranged in the prior art for providing the camera assembly, so that the structure of the camera module is simplified, and the size of the camera module can be effectively reduced.

Drawings

Fig. 1 is a schematic perspective view of a camera module according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of a camera module according to an embodiment of the present disclosure;

fig. 3 is an exploded view of a camera module according to an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of a first drive mechanism disclosed in one embodiment of the present application;

FIG. 5 is a schematic view of an embodiment of the present application disclosing a first drive member driving a drive link;

FIG. 6 is a schematic view of an embodiment of the present application showing a first driving member driving a transmission rod to drive a transmission block to move from a position a to a position f;

FIG. 7 is a graph of speed versus time for the transmission block of FIG. 6 moving from the a position to the f position.

In the figure:

100-a first scaffold;

200-a first drive mechanism;

210-a first drive member; 220-a transmission rod; 230-a transmission block; 240-balls; 250-a first electrical connection;

300-a second drive mechanism;

400-a third drive mechanism;

500-a camera assembly;

510-lens; 520-a photosensitive chip; 530-a third scaffold; 540 — a second electrical connection; 550-spherical groove;

600-a first magnetic member;

700-a magnetoresistance effect element;

800-a second scaffold;

900-guide rail.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The following describes the image capturing module according to the embodiment of the present application in detail through a specific embodiment and an application scenario thereof with reference to fig. 1 to 7.

Referring to fig. 1 to 3, a camera module according to an embodiment of the present disclosure includes a first frame 100, a camera head assembly 500, and at least three driving mechanisms. First mount 100 may provide a mounting base for camera assembly 500 and the three drive mechanisms.

Referring to fig. 1 and 3, the at least three driving mechanisms surround the light inlet channel of the camera head assembly 500, and the at least three driving mechanisms are respectively and rotatably engaged with the side surfaces of the camera head assembly 500. The first bracket 100 is a basic structure and can provide a mounting base for the driving mechanism.

The at least three driving mechanisms may be provided to the first carriage 100. The at least three driving mechanisms can move towards or away from the first frame 100 relative to the first frame 100, respectively, so as to drive the camera assembly 500 to rotate relative to the first frame 100. Specifically, each driving mechanism moves away from or close to the first frame 100, so that the camera head assembly 500 can rotate relative to the first frame 100 around the connection between the driving mechanism and the camera head assembly 500.

The light inlet channel of the camera assembly 500 refers to: during imaging of the camera assembly 500, light enters the optical path of the camera assembly 500. The driving mechanisms surround the light inlet channel of the camera module 500, which means that the driving mechanisms are distributed along the circumference of the light inlet channel.

Compared with a suspension type multilayer ball joint rotating structure arranged in the related art, the structure for realizing the deflection freedom degree of the camera assembly 500 relative to the first support 100 disclosed by the embodiment has the advantages of simpler structure and smaller occupied space, and can reduce the occupied space of a camera module. Moreover, the camera module disclosed in the above embodiment can prevent the camera assembly 500 from shaking relative to the first support 100 under the condition of being in the non-shooting mode, so that not only can the collision damage of the camera assembly 500 be avoided, but also the collision of the camera assembly 500 and the first support 100 can be prevented from making a sound and improving the user experience.

Optionally, the motion trajectories of the driving mechanisms relative to the first support 100 are straight lines, and the motion trajectories of the driving mechanisms relative to the first support 100 may be parallel to each other, so as to improve the driving consistency of the driving mechanisms on the camera assembly 500, that is, the ranges of the deflection angles of the camera assembly 500 driven by the driving mechanisms are the same.

In an alternative embodiment, the first bracket 100 includes a mounting surface and the driving mechanism is disposed on the mounting surface. Optionally, each driving mechanism is arranged on the same mounting surface, so that the driving mechanisms can be mounted conveniently, and the manufacturing difficulty of the camera module is reduced. In addition, the driving mechanism is disposed on the same mounting surface, which is beneficial to form a large and small uniform avoidance space between each camera assembly 500 and the first bracket 100 in each direction, so that the rotation ranges of the upper camera assembly 500 relative to the first bracket 100 in each direction are consistent.

Of course, each driving mechanism may be disposed on a different mounting surface, that is, the first bracket 100 is provided with a plurality of mounting positions for mounting the driving mechanisms, and the mounting positions are not coplanar.

Optionally, the driving mechanism may respectively reciprocate relative to the first bracket 100 in a direction perpendicular to the mounting surface, and drive the camera assembly 500 to rotate relative to the first bracket 100, so that the camera assembly 500 may rotate relative to the first bracket 100 around a connection between the driving mechanism and the camera assembly 500. The driving mechanisms can respectively reciprocate relative to the first bracket 100 along the direction perpendicular to the mounting surface, so that the consistency of each driving mechanism is ensured, and the difficulty of driving the camera assembly 500 by each driving mechanism can be further simplified.

The driving mechanism can respectively reciprocate relative to the first bracket 100 along the direction vertical to the mounting surface, which means that: the drive mechanism may output power in a direction perpendicular to the mounting surface. So that the portion of the driving mechanism connected to the camera assembly 500 can move in the direction perpendicular to the mounting surface with respect to the first frame 100.

Optionally, in a case that the camera assembly 500 does not rotate relative to the first bracket 100, that is, in a case that the electronic device including the camera module does not shake during shooting, the direction of the light entrance channel may be perpendicular to the mounting surface of the first bracket 100, so as to adjust the angle of rotation of the camera assembly 500 relative to the first bracket 100 by controlling the plurality of driving mechanisms. The direction of the light inlet channel can be along the central axis of the light inlet channel.

The driving mechanism and the camera assembly 500 can be in rotating fit through the universal joint, so that the camera assembly 500 can rotate around a plurality of directions relative to the driving mechanism, and the flexibility of the camera assembly 500 is improved. There are many types of universal joints, for example: a ball-and-fork type universal joint, a rzeppa type universal joint, a duplex type universal joint, a cross universal joint and the like.

Of course, the driving mechanisms may be rotatably engaged with the side surfaces of the camera assembly 500 through the shaft holes, so that the camera assembly 500 may rotate around one direction relative to each driving mechanism, and further, the camera assembly 500 may rotate relative to the first bracket 100.

Specifically, for convenience of description, the at least three driving mechanisms are divided into a first group of driving mechanisms and a second group of driving mechanisms. Wherein, the camera assembly 500 rotates around a first straight line relative to each driving mechanism in the first group of driving mechanisms; that is, in the case where the number of the driving mechanisms in the first group of driving mechanisms is two or more, the axes of the driving mechanisms corresponding to the shafts for rotationally engaging with the camera head assembly 500 are all the first straight lines. The camera assembly 500 rotates around a second straight line relative to each driving mechanism in the second group of driving mechanisms; that is, in the case where the number of the driving mechanisms in the second group of driving mechanisms is two or more, the axes of the shafts for rotationally engaging with the camera head assembly 500 in each driving mechanism are all the second straight lines. The first line intersects the second line. And then each driving mechanism in the first group of driving mechanisms can be controlled to reciprocate along the direction perpendicular to the mounting surface, so as to drive the camera assembly 500 to rotate around the second straight line relative to the first bracket 100. Each driving mechanism in the second group of driving mechanisms can be controlled to reciprocate along a direction perpendicular to the mounting surface, so as to drive the camera assembly 500 to rotate around the first straight line relative to the first bracket 100.

Further, the first straight line is perpendicular to the second straight line, so as to control each driving mechanism to reciprocate along a direction perpendicular to the mounting surface, thereby realizing that the camera assembly 500 rotates in different directions relative to the first bracket 100, and realizing anti-shake motion in different directions.

There are many ways in which the drive mechanism may be rotationally engaged with the side of camera head assembly 500. For this reason, the present application does not limit the manner in which the drive mechanism is rotationally engaged with the side of the camera assembly 500.

There are many types of drive mechanisms, for example: a screw slider mechanism, a telescopic mechanism, a voice coil motor, etc., and for this reason, the present application does not limit the specific type of the driving mechanism.

Alternatively, the at least three driving mechanisms may include a first driving mechanism 200, a second driving mechanism 300, and a third driving mechanism 400. The camera assembly 500 is supported to the first bracket 100 by the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400.

Referring to fig. 1 and 3, the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400 may be distributed around the light inlet channel of the camera assembly 500 and rotatably engaged with the side of the camera assembly 500, so that the camera assembly 500 may be supported on the first support 100 by the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400. Specifically, the joint between the first driving mechanism 200 and the camera assembly 500 is a first supporting point; the joint of the second driving mechanism 300 and the camera assembly 500 is a second supporting point; the third supporting point is the connection point of the third driving mechanism 400 and the camera head assembly 500. The first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400 may be distributed around the light-in channel of the camera assembly 500, so that the first supporting point, the second supporting point, and the third supporting point are not collinear, that is, the first supporting point, the second supporting point, and the third supporting point form three vertices of a triangle, and further, the camera assembly 500 may be stably supported by the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400.

Referring to fig. 1, the first axis is a straight line passing through the second supporting point and the third supporting point. Under the condition that the first driving mechanism 200 moves relative to the first bracket 100, the first driving mechanism 200 can drive the camera assembly 500 to rotate around the first axis relative to the first bracket 100. Further, the second axis is a straight line passing through the first supporting point and the third supporting point. In the case that the second driving mechanism 300 moves relative to the first frame 100, the second driving mechanism 300 can drive the camera assembly 500 to rotate about the second axis relative to the first frame 100. The third axis is a straight line passing through the first support point and the second support point. In the case that the third driving mechanism 400 moves relative to the first frame 100, the third driving mechanism 400 can drive the camera assembly 500 to rotate about the third axis relative to the first frame 100. Specifically, the first axis and the second axis intersect at a third support point; the first axis and the third axis intersect at a second support point; the second axis intersects the third axis at the first support point. Thus, any one of the first axis, the second axis, and the third axis may intersect the remaining two.

In the case where the first and

second driving mechanisms

200 and 300 are moved in opposite directions, the camera head assembly 500 may be rotated about the fourth axis with respect to the first stand 100. The fourth axis is a straight line passing through the third supporting point, and the fourth axis deflects towards the first supporting point relative to the first axis and deflects towards the second supporting point relative to the second axis. When the distance that the first driving mechanism 200 moves with respect to the first carriage 100 is constant, the larger the distance that the second driving mechanism 300 moves with respect to the first carriage 100, the larger the angle that the fourth axis is deflected with respect to the first axis. The smaller the distance the second drive mechanism 300 moves relative to the first support 100, the smaller the angle the fourth axis is deflected relative to the first axis. Therefore, the position of the fourth axis may be adjusted by controlling the distance that the first and

second driving mechanisms

200 and 300 move with respect to the first carriage 100.

Similarly, in the case that the movement directions of the first driving mechanism 200 and the third driving mechanism 400 are opposite, the camera head assembly 500 can rotate around the fifth axis relative to the first frame 100. The fifth axis passes through the second supporting point, deviates from the first supporting point relative to the first axis, and deviates from the third supporting point relative to the third axis. The position of the fifth axis may be adjusted by controlling the distance that the first and

third driving mechanisms

200 and 400 move with respect to the first bracket 100. In the case where the second and

third driving mechanisms

300 and 400 are moved in opposite directions, the camera head assembly 500 may be rotated about the sixth axis with respect to the first stand 100. The sixth axis passes through the first support point, and the sixth axis is deviated to the second support point relative to the second axis, and the sixth axis is deviated to the third support point relative to the third axis. The position of the sixth axis may be further adjusted by controlling the distance that the second and

third driving mechanisms

300 and 400 move with respect to the first support 100.

Further, under the condition that the moving directions of the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400 are not completely the same, that is, the moving direction of one of the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400 is opposite to the moving direction of the other two of the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400, the displacement of the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400 relative to the first bracket 100 can be respectively controlled, the deflection direction and the deflection angle of the camera assembly 500 are adjusted, so that the camera assembly 500 can realize deflection movements with different sizes in different directions, and further, the shakes with different sizes in different directions are compensated, so as to reduce or eliminate the influence of the shaking of the device on the camera assembly 500, and improve the imaging quality of the camera assembly 500. Further, the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400 can be controlled respectively, so that the deflection center of the camera assembly 500 relative to the first support 100 approaches to the optical axis corresponding to the lens 510 in the camera assembly 500, the consistency of the compensation motion range of the camera module in each direction and each angle is improved, the precision of the camera assembly 500 relative to the first support 100 is improved, and the anti-shake performance of the camera module is further improved. The center of deflection of the camera assembly 500 with respect to the first support 100 refers to: the camera assembly 500 rotates in different directions relative to the first bracket 100 at the intersection point of the corresponding rotational axes.

In an alternative embodiment, the camera module includes the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400, and the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400 may be uniformly distributed along the circumferential direction of the camera assembly 500, that is, the distance between any one of the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400 and the remaining two of the first driving mechanism, the second driving mechanism, and the third driving mechanism 400 are equal, so as to improve the consistency of the anti-shake movement range of the camera module in each direction or angle, and facilitate the manufacturing and control of the camera module.

Referring to fig. 1 to 4, the driving mechanisms may optionally each include a first driving member 210, a driving rod 220, and a driving block 230. The transmission rod 220 is slidably engaged with the first bracket 100. The first driving member 210 is connected to the transmission rod 220, and the first driving member 210 drives the transmission rod 220 to move along the axial direction of the transmission rod 220. The driving block 230 is rotatably engaged with the camera head assembly 500, the driving block 230 is connected to the driving rod 220, and the driving rod 220 can drive the camera head assembly 500 to rotate relative to the first bracket 100 through the driving block 230. Alternatively, the driving mechanism reciprocates relative to the first carriage 100 in the axial direction of the respective transmission rods 220. Alternatively, the driving lever 220 may be perpendicular to the first bracket 100, so that the driving block 230 may be far from or close to the first bracket 100 in a direction perpendicular to the first bracket 100. It should be noted that, the transmission rod 220 is perpendicular to the first bracket 100, which means that the axis corresponding to the transmission rod 220 is perpendicular to the mounting surface or tangent plane where the driving mechanism is mounted on the first bracket.

In the above embodiment, the transmission block 230 is rotatably engaged with the camera head assembly 500, and the first driving member 210 drives the camera head assembly 500 to move relative to the first bracket 100 through the transmission rod 220 and the transmission block 230, which are both contact forces, that is, the components are in contact with each other and are pressed or pushed and pulled to transmit the forces, so as to provide a continuous and stable acting force for the camera head assembly 500. Compared with the prior art which adopts electromagnetic non-contact force, the force transmission is carried out through the contact connection between the components, and larger driving force can be provided for the deflection motion of the camera assembly 500.

Through non-contact force drive camera rotary motion among the correlation technique, the camera is not contacting at the transmission in-process that carries on power with driving piece or driving medium, and then receives the module of making a video recording and find a view the angle and influence great. For example, when the camera module is at different viewing angles, the direction of the gravity of the camera is different from the included angle of the corresponding optical axis of the camera, and then the camera needs supporting force in different sizes and directions in the shooting process at different angles. Therefore, the direction of the force acting on the camera needs to be adjusted in the related art, and the stress balance of the camera is difficult to achieve. In the present application, the contact force is adopted, and the directions of the supporting forces of the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400 received by the camera assembly 500 are changed under the condition that the viewing directions of the camera assembly 500 are different, so that additional adjustment is not needed. Moreover, the transmission block 230 is rotationally matched with the camera assembly 500, so that the rotation angle of the camera assembly 500 relative to the first bracket 100 can be increased, the maximum deflection angle of the camera assembly 500 for compensating motion is increased, and the anti-shake performance of the camera assembly 500 is improved.

Optionally, the camera assembly 500 may include a second electrical connector 540, and the camera assembly 500 may be connected to the power supply circuitry through at least the second electrical connector 540. The second electrical connector 540 may be a flexible circuit board. During the rotation of the camera assembly 500 relative to the first frame 100, the camera assembly 500 drives the second electrical connector 540 to deform.

In the correlation technique, among the camera module that has the anti-shake function, the drive power that the actuating mechanism of drive camera motion can produce is less, and then leads to camera anti-shake motion to receive the resistance influence that the camera power supply line produced great. In order to reduce the resistance generated by the camera power supply circuit in the related art, the camera power supply circuit box is further arranged, so that the power supply circuit of the camera can be arranged in an S shape in the power supply circuit box, and the resistance generated by the camera power supply circuit is further reduced. The camera module utilizes the transmission rod 220 and the transmission block 230 to provide larger driving force for the camera assembly 500 relatively, so that the resistance of the second electric connecting piece 540 to block the camera assembly 500 to rotate relative to the first support 100 can be overcome or weakened, a power supply circuit box for accommodating the second electric connecting piece 540 is not required to be arranged, and the occupied space of the camera module is reduced.

There are many kinds of the first driving member 210, such as a cam mechanism, a hydraulic rod, an air cylinder, a screw mechanism, etc., and for this reason, the present embodiment does not limit the specific kind of the first driving member 210.

Referring to fig. 1 and 4, the driving mechanism may be ball-hinged with the camera assembly 500. Specifically, the driving mechanism may further include a ball 240, one of the transmission block 230 and the camera head assembly 500 is provided with a spherical recess 550, the other is connected with the ball 240, the ball 240 is at least partially located in the spherical recess 550, and the ball 240 is rotatably engaged with the spherical recess 550.

Referring to fig. 3 and 4, a spherical groove 550 is formed in a side surface of the camera assembly 500, a ball 240 is arranged on the transmission block 230, and the ball 240 is partially embedded in the spherical groove 550, so that the transmission block 230 is connected with the camera assembly 500 through a spherical pair, and thus not only can a degree of freedom be provided for the rotation of the camera assembly 500, but also a supporting force in each direction can be provided for the camera assembly 500, and further, in different viewing directions, the supporting force for overcoming the gravity can be provided for the camera assembly 500 through the ball 240.

In an alternative embodiment, the actuator block 230 and the camera head assembly 500 may each be provided with a spherical recess 550. The ball 240 is at least partially disposed in the spherical recess 550 and the ball 240 is rotatably engaged with the spherical recess 550.

The driving block 230 may be slidably engaged with the driving rod 220, and in a case where the driving rod 220 is stationary with respect to the first bracket 100, a friction force between the driving block 230 and the driving rod 220 may keep the driving block 230 and the driving rod 220 relatively stationary, i.e., in a case where the first driving member 210 does not drive the driving rod 220, the driving block 230 and the driving rod 220 may keep relatively stationary, thereby providing a continuous and stable supporting force for the camera assembly 500. Specifically, the magnitude of the maximum static friction between the driving block 230 and the driving lever 220 can be adjusted by adjusting the degree of compactness of the assembly between the driving block 230 and the driving lever 220, so that the driving block 230 can be stationary with respect to the driving lever 220 by the friction between the driving block 230 and the driving lever 220. Of course, the maximum static friction between the transmission rod 220 and the transmission block 230 can be adjusted by selecting different materials and changing the friction coefficient of the contact surface between the transmission block 230 and the transmission rod 220. Alternatively, the transmission rod 220 may be a carbon rod.

In an alternative embodiment, a through hole is formed on the transmission block 230, and the transmission block 230 is sleeved on the transmission rod 220 and is in sliding fit with the transmission rod 220.

The acceleration of the driving rod 220 with respect to the movement of the first carriage 100 is a first acceleration, and the acceleration of the driving block 230 with respect to the movement of the first carriage 100 is a second acceleration. The first driving member 210 is connected to the transmission rod 220 and drives the transmission rod 220 to move, and for this reason, the larger the driving force of the first driving member 210 acting on the transmission rod 220, the larger the first acceleration. When the transmission rod 220 moves relative to the first bracket 100, the transmission block 230 can be driven to move relative to the first bracket 100. The transmission block 230 can be in sliding fit with the transmission rod 220, i.e. the transmission rod 220 and the transmission block 230 transmit through friction. Therefore, the greater the friction between the transmission block 230 and the transmission lever 220, the greater the second acceleration. Due to the actual friction between the transmission block 230 and the transmission rod 220, the maximum static friction between the transmission block 230 and the transmission rod 220 is less than or equal to. Thus, the first acceleration can be made greater than or equal to the second acceleration by adjusting the driving force of the first driver 210 on the transmission rod 220. That is, under the action of the first driving member 210, the driving rod 220 can move at a speed greater than or less than that of the driving block 230 relative to the first bracket 100, so that the driving block 230 and the driving rod 220 can move relative to each other, that is, the driving block 230 can move along the driving rod 220 relative to the driving rod 220.

Referring to fig. 5 to 7, the first driver 210 may drive the transmission rod 220 to move in an axial direction of the transmission rod 220. Specifically, when it is required to drive the transmission block 230 to move along the transmission rod 220 to the end far from the first driving element 210, the transmission rod 220 and the transmission block 230 may be driven by the first driving element 210 to move to the end far from the first driving element 210 at an acceleration smaller than the second acceleration. When the transmission rod 220 moves to the maximum displacement, the first driving member 210 is controlled to act on the transmission rod 220, so that the transmission rod 220 has an acceleration towards the side close to the first driving member 210, and the acceleration of the transmission rod 220 is greater than the acceleration of the transmission block 230, so that the transmission rod 220 and the transmission block 230 move at different speeds relative to the first bracket 100, and the transmission block 230 moves relative to the transmission rod 220 towards the direction far away from the first driving member 210. Alternatively, the transmission rod 220 can move rapidly toward the first driving member 210 under the action of the first driving member 210, and the transmission block 230 still maintains the original moving direction, i.e., moves away from the first driving member 210 under the action of inertia, so that the transmission rod 220 and the transmission block 230 move relatively. Referring to fig. 6 and 7, the above operations may be repeated a plurality of times to increase the distance that the driving block 230 moves relative to the driving rod 220, thereby increasing the angle that the camera head assembly 500 rotates relative to the first bracket 100.

Similarly, when it is required to drive the transmission block 230 to move along the transmission rod 220 to the end close to the first driving member 210, the transmission rod 220 and the transmission block 230 may be driven by the first driving member 210 to move to the end close to the first driving member 210 at an acceleration smaller than the second acceleration. When the transmission rod 220 moves to the maximum displacement, the first driving member 210 is controlled to enable the first driving member 210 to act on the transmission rod 220, so that the transmission rod 220 generates acceleration towards the side far away from the first driving member 210, the acceleration of the transmission rod 220 is enabled to be larger than the acceleration of the transmission block 230, the speeds of the transmission rod 220 and the transmission block 230 moving relative to the first bracket 100 are further enabled to be different, and the transmission block 230 moves relative to the transmission rod 220 towards the direction far away from the first driving member 210. Alternatively, the transmission rod 220 can be moved away from the first driving member 210 rapidly under the action of the first driving member 210, and the transmission block 230 can still keep the original moving direction under the action of inertia, i.e. move towards the first driving member 210, so that the transmission rod 220 and the transmission block 230 move relatively. And the distance that the driving block 230 moves with respect to the driving lever 220 can be increased by repeating the above operation a plurality of times. Thereby increasing the angle of rotation of the camera assembly 500 relative to the first bracket 100.

In the above embodiment, the transmission block 230 moves relative to the transmission rod 220, so that the length of the transmission rod 220 can be effectively reduced, the moving range of the transmission rod 220 relative to the first bracket 100 is reduced, and the reduction of the occupied space of the camera module is facilitated.

Referring to fig. 1, the camera module may further include a second bracket 800, and the second bracket 800 may be disposed opposite to the first bracket 100. Specifically, an escape space is provided between the second bracket 800 and the first bracket 100 to provide an installation space and a movement space for the driving mechanism and the camera assembly 500. Specifically, the driving mechanism may be disposed between the first bracket 100 and the second bracket 800. Further, the first bracket 100 and the second bracket 800 may be support plates disposed parallel to each other. And the second bracket 800 is provided with an escape opening so that the lens 510 in the camera head assembly 500 can pass through the escape opening.

Referring to fig. 1 and 2, the first driving member 210 may be fixedly disposed on the first bracket 100, a first end of the transmission rod 220 is connected to the first driving member 210, and a second end of the transmission rod 220 is slidably engaged with the second bracket 800. Optionally, the second bracket 800 is provided with a sliding hole or a sliding groove, the transmission rod 220 is at least partially located in the sliding hole or the sliding groove, so that the transmission rod 220 can move along the sliding hole or the sliding groove relative to the second bracket 800, the first bracket 100 and the second bracket 800 are respectively connected with two ends of the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400, stability of the first driving mechanism 200, the second driving mechanism 300 and the third driving mechanism 400 relative to the first bracket 100 can be improved, and a continuous and stable supporting force is further provided for the camera assembly 500. Alternatively, the first bracket 100 may be a control circuit board, and the first driving mechanism 200, the second driving mechanism 300, and the third driving mechanism 400 may be respectively connected to the first bracket 100.

Alternatively, in the case that the camera module is used in an electronic device, the second bracket 800 may be fixedly connected to a housing of the electronic device, so that the second bracket 800 may maintain the stability of the second end of the transmission rod 220. Of course, the second bracket 800 may also be fixedly connected to the first bracket 100. For this reason, the present embodiment does not limit the fixing manner of the second bracket 800.

The first bracket 100 may further include a guide rail 900, the guide rail 900 is disposed on the first bracket 100 and/or the second bracket 800, the transmission block 230 is slidably engaged with the guide rail 900, and the guide rail 900 may block the transmission block 230 from rotating around the transmission rod 220. Optionally, the guide rail 900 is provided with a square sliding groove, and the transmission block 230 may be provided with two opposite planes, so that the transmission block 230 may be at least partially embedded in the square sliding groove, and the transmission block 230 is limited to rotate relative to the transmission rod 220 by the guide rail 900. In another alternative embodiment, one of the guide rail 900 and the transmission block 230 is provided with a limiting protrusion, and the other is provided with a limiting groove, the limiting protrusion is at least partially embedded in the limiting groove, and the limiting protrusion and the limiting groove are in sliding fit, so that the limiting protrusion and the limiting groove can block the transmission block 230 from rotating relative to the transmission rod 220.

Of course, in an alternative embodiment, the camera module can also be in limit fit with the transmission rod 220 and the transmission block 230 to block the transmission block 230 from rotating relative to the transmission rod 220. Specifically, the driving rod 220 may be a square rod, the driving block 230 is provided with a square hole, and the driving block 230 is sleeved on the driving rod 220, so that the driving rod 220 may limit the driving block 230 to rotate relative to the driving rod 220. For this reason, the present application does not specifically limit the rotation of the driving block 230 relative to the driving rod 220.

The first driving member 210 is a piezoelectric driver to drive the driving rod 220 by changing a voltage across the first driving member 210. Specifically, the first driving member 210 may be made of a piezoelectric material. There are many kinds of piezoelectric materials, for example: a piezoelectric ceramic material, a piezoelectric polymer, a piezoelectric crystal, etc., and for this reason, the specific material of the first driving member 210 is not particularly limited in this application.

In the above embodiment, the first driving member 210 is made of a piezoelectric material. Utilize piezoelectric material deformation drive camera subassembly 500 to rotate relative first support 100, have the precision height, thrust is big, response speed is fast a bit to, do not produce magnetic field, be difficult for receiving electromagnetic interference at first driving piece 210 drive camera subassembly 500's in-process, and do not generate heat and be favorable to the module heat dissipation of making a video recording, improve the stability of making a video recording the module.

Optionally, the first drive mechanism 200, the second drive mechanism 300 and the third drive mechanism 400 each comprise a first electrical connection 250. First electrical connector 250 is coupled to first driver 210 and provides power to first driver 210. Alternatively, the first electrical connector 250 may be provided to the first bracket 100. Alternatively, the first electrical connector 250 may be a flexible electrical connector, such as a flexible circuit board.

Referring to fig. 3, the camera module may further include a first magnetic element 600 and a magnetoresistance effect element 700, one of the first magnetic element 600 and the magnetoresistance effect element 700 is disposed in the camera assembly 500, and the other is connected to the first support 100; the first magnetic member 600 is used to generate a magnetic field, and the magnetoresistance effect element 700 is located within the magnetic field generated by the first magnetic member 600 to sense the position of the camera head assembly 500 with respect to the first stand 100 through the first magnetic member 600 and the magnetoresistance effect element 700. Specifically, in the process of relatively rotating the camera head assembly 500 with respect to the first bracket 100, the distance between the first magnetic member 600 and the magnetoresistance effect element 700 is increased or decreased, so that the magnetic field strength of the area where the magnetoresistance effect element 700 is located is changed, and further, the resistance value corresponding to the magnetoresistance effect element 700 is changed. Therefore, the position between the camera head assembly 500 and the first support 100 can be reflected by monitoring the magnitude of the resistance value corresponding to the magnetoresistance effect element 700 or the magnitude of the current passing through the magnetoresistance effect element 700, so as to accurately determine the deflection angle and the deflection direction of the camera head assembly 500 relative to the first support 100. Optionally, the number of the first magnetic members 600 and the magnetoresistance effect elements 700 may be multiple, and multiple first magnetic members 600 and multiple magnetoresistance effect elements 700 may be disposed along an edge of the camera head assembly 500 near one end of the first support 100, so as to more accurately detect a direction and an angle of the camera head assembly 500 deflected with respect to the first support 100.

Of course, there are many methods for detecting the direction or angle of the camera assembly 500 deflecting with respect to the first support 100, for example, a gyroscope, an infrared detector, a hall device, etc. may also be used, and the embodiment of the present application is not limited to the specific implementation for detecting the direction or angle of the camera assembly 500 deflecting with respect to the first support 100.

Referring to fig. 2 and 3, the camera assembly 500 includes a lens 510, a photo sensor chip 520, a third bracket 530, and a second driving member. The third bracket 530 is a basic structure member, and provides a mounting base for the lens 510, the photo sensor chip 520 and the second driving member. Specifically, the lens 510, the photosensitive chip 520 and the second driving member are disposed on the third support 530, at least one of the lens 510, the photosensitive chip 520 and the photosensitive chip 520 is in sliding fit with the third support 530, the second driving member is respectively connected to the lens 510 and the photosensitive chip 520, and the second driving member can drive the lens 510 and the photosensitive chip 520 to be away from or close to each other, so as to adjust the focal length of the camera assembly 500 through the second driving member. The second driving member can be an electromagnetic coil and a magnet, and can also be a driving motor, a memory metal and the like. Optionally, the camera head assembly 500 further includes a second electrical connector 540, the second electrical connector 540 may be fixedly disposed on the third bracket 530, and the photosensitive chip 520 is disposed on the second electrical connector 540. Further, first actuating mechanism 200, second actuating mechanism 300 and third actuating mechanism 400 can rotate with third support 530 respectively to drive camera lens 510 and sensitization chip 520 and rotate in step relatively first support 100 through driving third support 530, and then avoid camera assembly 500 to be blurred at the edge of the image of the in-process of anti-shake motion's in-process, make the camera module still can guarantee to form images clearly under the condition of shake.

Based on the module of making a video recording that this application disclosed, this application embodiment discloses an electronic equipment, and this electronic equipment includes the module of making a video recording in the above embodiment.

The electronic device disclosed in the embodiment of the application can be a mobile phone, a tablet computer, an electronic book reader, a medical apparatus and the like, and the embodiment of the application does not limit the specific type of the electronic device.

Based on the electronic equipment disclosed by the application, the embodiment of the application discloses a control method of the electronic equipment, and the method is suitable for the electronic equipment disclosed by the application. Specifically, the control method comprises the following steps:

step 101: under the condition that the electronic equipment is in a shooting mode, acquiring the shaking direction and shaking angle of the electronic equipment;

specifically, the shake information includes a shake direction and a shake angle of the electronic device. Optionally, the shaking direction and shaking angle of the electronic device are obtained through a gyroscope.

Step 102: according to the shaking direction and shaking angle of the electronic device, the driving mechanism is controlled to move relative to the first bracket 100, and the camera assembly 500 is driven to rotate relative to the first bracket 100 in the opposite direction of shaking of the electronic device, and the rotation angle of the camera assembly 500 relative to the first bracket 100 is controlled, so that shaking of the camera assembly 500 is reduced.

Specifically, the electronic device includes a control unit, and the control unit converts the shake information into execution information, where the execution information may be, specifically, the control unit controls the driving mechanism to move relative to the first support 100, so that the camera assembly 500 may rotate relative to the first support 100 under the driving of the driving mechanism. And the direction of motion of each driving mechanism relative to the first support 100 can be controlled to make the rotation direction of the camera assembly 500 opposite to the shaking direction of the electronic device, so as to achieve the purpose of reducing shaking. Furthermore, the angle of the camera assembly 500 rotating relative to the first support 100 can be controlled by controlling the displacement of each driving mechanism moving relative to the first support 100, so that the angle of the camera assembly 500 rotating relative to the first support 100 can be equal to the shake angle of the electronic device, and the anti-shake shooting of the electronic device can be realized.

It should be noted that, in the process of shooting by the electronic device, the shake of the electronic device drives the camera assembly 500 to shake, so that the shooting quality of the camera assembly 500 is reduced. The anti-shake motion stated in this application means: when the electronic device performs shooting and the electronic device shakes, the camera assembly 500 moves relative to the first support 100 in a direction opposite to the shaking direction of the electronic device.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A camera module is characterized by comprising a first bracket (100), a camera assembly (500) and at least three driving mechanisms,

the at least three driving mechanisms surround the light inlet channel of the camera assembly (500), and are respectively in rotating fit with the side surface of the camera assembly (500);

the at least three driving mechanisms are arranged on the first support (100), and can respectively move towards a direction close to or far away from the first support (100) relative to the first support (100) so as to drive the camera assembly (500) to rotate relative to the first support (100).

2. The camera module of claim 1, wherein the at least three drive mechanisms include a first drive mechanism (200), a second drive mechanism (300), and a third drive mechanism (400);

the first driving mechanism (200), the second driving mechanism (300) and the third driving mechanism (400) are uniformly distributed along the circumferential direction of the camera assembly (500).

3. The camera module according to claim 1, characterized in that the driving mechanisms each comprise a first driving member (210), a transmission rod (220) and a transmission block (230), the transmission rod (220) being in sliding fit with the first bracket (100); the first driving piece (210) is connected with the transmission rod (220), and the first driving piece (210) drives the transmission rod (220) to move along the axial direction of the transmission rod (220); the transmission block (230) is matched with the camera assembly (500) in a rotating mode, the transmission block (230) is connected with the transmission rod (220), and the transmission rod (220) can drive the camera assembly (500) to rotate relative to the first support (100) through the transmission block (230).

4. The camera module of claim 3, wherein the drive mechanism further comprises a ball (240),

one of the transmission block (230) and the camera assembly (500) is provided with a spherical groove (550), and the other one is connected with the ball (240); or, the transmission block (230) and the camera assembly (500) are both provided with spherical grooves (550);

the ball (240) is at least partially located in the spherical recess (550), and the ball (240) is rotationally engaged with the spherical recess (550).

5. Camera module according to claim 3, characterized in that the transmission block (230) is a sliding fit with the transmission rod (220),

in the case where the driving lever (220) is stationary with respect to the first bracket (100), the friction between the driving block (230) and the driving lever (220) may keep the driving block (230) and the driving lever (220) relatively stationary.

6. The camera module according to claim 3, characterized in that it further comprises a second bracket (800), said second bracket (800) being arranged opposite to said first bracket (100),

the first driving piece (210) is fixedly arranged on the first support (100), the first end of the transmission rod (220) is connected with the first driving piece (210), and the second end of the transmission rod (220) is in sliding fit with the second support (800).

7. Camera module according to claim 6, characterized in that it further comprises a guide rail (900), said guide rail (900) being provided to said first bracket (100) and/or said second bracket (800),

the transmission block (230) is in sliding fit with the guide rail (900), and the guide rail (900) can block the transmission block (230) from rotating around the transmission rod (220).

8. A camera module according to claim 3, characterized in that the first drive member (210) is a piezo actuator.

9. The camera module according to claim 1, further comprising a first magnetic member (600) and a magnetoresistance effect element (700), wherein one of the first magnetic member (600) and the magnetoresistance effect element (700) is disposed on the camera head assembly (500), and the other is connected to the first frame (100); the first magnetic member (600) is used for generating a magnetic field, and the magnetoresistance effect element (700) is located within the magnetic field generated by the first magnetic member (600).

10. The camera module according to any of claims 1-9, wherein the camera assembly (500) comprises a lens (510), a photo sensor chip (520), a third bracket (530), and a second driving member, wherein the lens (510), the photo sensor chip (520), and the second driving member are disposed on the third bracket (530), and at least one of the lens (510), the photo sensor chip (520), and the photo sensor chip (520) is slidably engaged with the third bracket (530),

the second driving piece is respectively connected with the lens (510) and the photosensitive chip (520), and the second driving piece can drive the lens (510) and the photosensitive chip (520) to be away from or close to each other.

11. An electronic device comprising the camera module according to any one of claims 1 to 10.

12. A control method of an electronic device, applied to the electronic device of claim 11, the method comprising:

according to the shaking direction and the shaking angle of the electronic equipment, the driving mechanism is controlled to respectively move relative to the first support (100), the camera assembly (500) is driven to rotate relative to the first support (100) in the opposite direction of shaking of the electronic equipment, and the rotation angle of the camera assembly (500) relative to the first support (100) is controlled, so that shaking of the camera assembly (500) is reduced.