CN112822356B

CN112822356B - Camera module and electronic equipment

Info

Publication number: CN112822356B
Application number: CN202011594582.2A
Authority: CN
Inventors: 支援
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-08-26
Anticipated expiration: 2040-12-29
Also published as: CN112822356A

Abstract

The embodiment of the application provides a camera module and electronic equipment, and belongs to the technical field of communication. This module of making a video recording includes: the device comprises a camera, a camera support, a holder support, a first flexible circuit board FPC, a second FPC and a driving device for driving the camera support to incline; one end of the first FPC is fixed on the camera support and is electrically connected with the camera, and one end of the second FPC is fixed on the camera support and is electrically connected with the driving device; the first FPC and the second FPC are fixed on two opposite sides of the camera support; in the embodiment of the application, the first FPC for controlling the camera and the second FPC for controlling the driving device are respectively fixed on two opposite sides of the camera support, the two FPCs are both bent and exert elastic force on the camera support, so that the elastic force of the first FPC and the second FPC on the camera support can be mutually offset under the condition that the driving device does not drive the camera support to incline, and the problem of lens eccentricity of the camera is prevented.

Description

Camera module and electronic equipment

Technical Field

The embodiment of the application relates to the technical field of communication, in particular to a camera module and electronic equipment.

Background

Along with the demand of people for taking pictures more and more, a plurality of anti-shake cameras appear in the market, the working principle of the anti-shake cameras is that the picture shake generated by hand shake is compensated by the movement and the inclination of the camera lens relative to the chip when the camera is taken pictures or videos, and the anti-shake function is realized by the inclination of the camera lens of the holder.

However, in an actual application scenario, a Flexible Printed Circuit (FPC) of the camera is in a bent state, and always generates a thrust force on an Auto Focus (AF) camera support, so that the AF camera support drives the AF camera to tilt, which affects the appearance of a product and causes eccentricity of a lens.

Disclosure of Invention

The embodiment of the application aims at providing a camera module and electronic equipment, which can solve the problems that a camera is easy to incline, the appearance of a product is influenced and the eccentricity of a lens is caused in the existing camera module.

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

in a first aspect, an embodiment of the present application provides a camera module, including: the device comprises a camera, a camera support, a holder support, a first flexible circuit board FPC, a second FPC and a driving device for driving the camera support to incline;

the camera is fixedly arranged on the camera support, the holder support is arranged around the camera support, and the driving device is positioned between the camera support and the holder support;

one end of the first FPC is fixed on the camera support and is electrically connected with the camera, and one end of the second FPC is fixed on the camera support and is electrically connected with the driving device;

the first FPC and the second FPC are positioned on two opposite sides of the camera;

the first FPC bends and applies first elastic force to the camera support, the second FPC bends and applies second elastic force to the camera support, and the direction of the first elastic force is opposite to that of the second elastic force.

In a second aspect, an embodiment of the present application provides an electronic device, which includes the camera module according to the first aspect.

In the embodiment of the application, the first FPC for controlling the camera and the second FPC for controlling the driving device are respectively fixed on two opposite sides of the camera support, the two FPCs are both bent and exert elastic force on the camera support, so that the elastic force of the first FPC and the second FPC on the camera support can be mutually offset under the condition that the driving device does not drive the camera support to incline, and the problem of lens eccentricity of the camera is prevented.

Drawings

Fig. 1a is a schematic structural diagram of a conventional pan-tilt camera;

fig. 1b is a schematic view of a work flow of a conventional pan-tilt camera;

fig. 1c is a second schematic structural view of a conventional pan-tilt camera;

fig. 2 is a schematic structural diagram of a camera module according to an embodiment of the present disclosure;

fig. 3 is a second schematic structural diagram of a camera module according to an embodiment of the present disclosure;

fig. 4 is a third schematic structural diagram of a camera module according to an embodiment of the present disclosure.

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, of the 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 "/", and generally means that the former and latter related objects are in an "or" relationship.

To better understand the solution of the embodiments of the present application, the following is described first:

referring to fig. 1a and 1c, there is shown a prior art pan-tilt camera comprising: a main FPC (Flexible Printed Circuit) 01, an AF (auto focus) 02, an AF camera bracket 03, a tripod head bracket 04, a steel sheet 05, a magnet 06, a tripod head coil 07, a T-FPC (tip Flexible Printed Circuit) 08 and a Hall device 09; the AF camera 02 can be tilted in the direction indicated by each arrow in FIG. 1a to realize the anti-shake function

The above existing pan/tilt/zoom camera work flow diagram is shown in fig. 1 b: step 101: starting a camera and entering a preview interface; step 102: starting a gyroscope, detecting a hand shaking angle and feeding back to a drive chip (Driver IC); step 103: the Driver IC calculates a compensation angle and is controlled by the Driver IC to input current to the anti-shake coil; step 104: the battery produces lorentz force under the magnetic field effect, promotes AF camera support and drives the AF camera and take place to incline, and inclination is felt in real time to hall device, and the angle that the hand trembled the production is trembled to the rapid compensation hand.

As shown in fig. 1c, the conventional pan/tilt/zoom camera system has a structure in which a main FPC 01 is bent and always generates a thrust on an AF camera 02 bracket, and when a holding force between a steel sheet 05 and a magnet 06 is smaller than the thrust of the FPC, that is, F2 is smaller than F1, the AF camera 02 is driven by the AF camera bracket 03 to tilt, which affects the appearance of a product;

the following describes the camera module provided in the embodiments of the present application in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.

Referring to fig. 2 to 4, an embodiment of the present application provides a camera module, including: the device comprises a camera 1, a camera support 2, a holder support 3, a first FPC 4, a second FPC5 and a driving device 6 for driving the camera support 2 to incline;

the camera 1 is fixedly arranged on the camera support 2, and optionally, the camera 1 is fixedly arranged on the camera support 2 in a dispensing manner.

The holder bracket 3 is arranged around the camera bracket 2, and the driving device 6 is positioned between the camera bracket 2 and the holder bracket 3; the holder support is used for bearing the camera support 2 and the camera 1, the camera support 2 is driven to incline towards different directions through the driving device 6, and then the camera support 2 drives the camera 1 to incline towards different directions so as to compensate shaking caused by shaking of hands when people take pictures or record pictures.

One end of the first FPC 4 is fixed on the camera support 2 and electrically connected with the camera 1, and one end of the second FPC5 is fixed on the camera support 2 and electrically connected with the driving device 6; the first FPC 4 is used for controlling the camera 1 to work, and the first FPC can also be called as a main FPC; the second FPC5 is used to control the operation of the driving device, and the second FPC5 may also be referred to as a T-FPC.

The first FPC 4 and the second FPC5 are positioned at two opposite sides of the camera bracket 2;

the first FPC 4 bends and applies first elastic force to the camera support 2, the second FPC5 bends and applies second elastic force to the camera support 2, and the direction of the first elastic force is opposite to that of the second elastic force. The FPC is arranged in a bending mode, so that the inner space of the equipment can be saved.

It can be understood that, when the camera module is installed in the electronic device, the first FPC and the second FPC may be electrically connected to a processor of the electronic device, so that the electronic device may control the camera and the driving device in the camera module through the processor.

Through the structural analysis to current cloud platform camera, can confirm to cause the eccentric leading cause of camera lens in that, when not controlling drive arrangement, the produced elasticity of main FPC self bending can be to the effect of a promotion of camera molding for the camera is pushed to off-centre. Therefore, in the embodiment of the application, the first FPC for controlling the camera and the second FPC for controlling the driving device are respectively fixed on two opposite sides of the camera support, the two FPCs are both bent and apply elastic force to the camera support, the elastic force generated by bending the second FPC is utilized to offset the elastic force generated by bending the first FPC, so that the elastic force of the first FPC and the second FPC to the camera support can be offset each other under the condition that the driving device does not drive the camera support to incline, and the problem of lens eccentricity of the camera is prevented.

In some embodiments, the drive device comprises 6: a magnetic member 61 and a coil 62;

the magnetic part 61 is fixedly arranged on the inner side surface of the side wall of the holder bracket 3;

the coil 62 is arranged on the outer side surface of the side wall of the camera bracket 2, and the coil 62 is electrically connected with the second FPC 5;

the magnetic member 61 is opposed to the coil 62.

In the embodiment of the present application, the driving device 6 specifically comprises a magnetic member 61 and a coil 62, and when the second FPC5 energizes the coil 62, lorentz force is generated by the electromagnetic induction principle, and the lorentz force interacts with the magnetic force of the magnetic member 61 itself to realize a driving force to the camera holder 2. Therefore, the magnetic part 61 and the coil 62 are only needed to be arranged at proper positions, and the second FPC5 is used for controlling the on-off of the current in the coil 62 (namely whether the camera 1 is controlled to incline) and the magnitude of the current (namely the degree of the inclination of the camera 1) so as to flexibly control the inclination of the camera 1.

In some embodiments, as shown in fig. 3, the inner side surface of the side wall of the pan/tilt head support 3 is provided with a receiving groove 31, and the magnetic member 61 is fixedly disposed in the receiving groove 31.

In this application embodiment, processing holding tank 31 on the medial surface of cloud platform support 3's lateral wall to fix magnetic part 61 in holding tank 31, can avoid like this causing occupation to cloud platform support 3 inner space because of setting up the magnetic part, and then can reduce the distance between cloud platform support 3's lateral wall and camera support 2, reduce the whole volume of part. The internal space of the equipment is saved.

In some embodiments, as shown in fig. 4, the camera module further comprises: a support 7;

the supporting piece 7 is fixedly arranged on the camera bracket 2;

the magnetic member 61 is opposed to the support 7, and the support 7 is made of a material that can be attracted by the magnetic member.

In the embodiment of the present application, the supporting member 7 capable of being attracted by the magnetic member 61 is provided, and the attraction force between the magnetic member 61 and the supporting member 7 can assist in maintaining the camera holder 2 at the central position in the pan/tilt/zoom holder 3 when the driving device 6 is not operated, thereby further preventing the occurrence of lens eccentricity.

In some embodiments, as shown in fig. 2 and 3:

the magnetic member 61 includes: a first sub magnetic member 611 and a second sub magnetic member 612;

the coil 62 includes: a first sub-coil 621 opposite to the first sub-magnetic member 611, and a second sub-magnetic member 622 opposite to the second sub-magnetic member 612;

the support 7 includes: a first sub supporter 71 opposite to the first sub magnetic member 611, and a second sub supporter 72 opposite to the second sub magnetic member 612;

the first sub-magnetic member 611 is fixedly arranged on an inner side surface of a first side wall of the pan/tilt support 3, the second sub-magnetic member 612 is fixedly arranged on an inner side surface of a second side wall of the pan/tilt support 3, the first side wall is a side wall of the pan/tilt support 3 close to the second FPC5, and the second side wall is a side wall perpendicular to the first side wall;

the attraction force of the first sub-magnetic member 611 to the first sub-support 71 is not less than the difference in elastic force between the first elastic force and the second elastic force.

In the embodiment of the present application, in a specific implementation scenario, the magnetic member 61 specifically includes two sub-magnetic members, and correspondingly, two sub-coils and two sub-supporting members are correspondingly disposed, that is, two sub-driving devices are disposed, the two sub-magnetic members are respectively disposed on two mutually perpendicular side walls of the cradle head support 3, and driving forces generated by the two corresponding sub-driving devices are mutually perpendicular, for example: the force acting between the first sub-magnetic member 611 and the first sub-coil 621 is referred to as an X-direction driving force, the force acting between the second sub-magnetic member 612 and the second sub-coil 622 is referred to as a Y-direction driving force, and the X-direction is perpendicular to the Y-direction. In this way, only the driving forces in two directions perpendicular to each other need to be controlled, and the driving in different directions of the camera support 2 can be generated by the combination of the forces, so that the camera support 2 is driven to incline in different directions.

In some embodiments, as shown in fig. 2 and 4, the camera module further comprises: a sensor 8 for detecting the tilt angle of the camera head holder 2;

the sensor 8 is fixedly arranged on the outer side surface of the side wall of the camera support 2, and the sensor is electrically connected with the second FPC 5.

In the embodiment of the present application, the sensor 8 is used for detecting the tilt angle of the camera support 2, and it should be noted that the tilt of the camera support 2 described herein refers to the tilt of the camera support 2 caused by the shake generated by the human hand operation, and does not refer to the tilt of the camera support 2 caused by the driving of the driving device 6. The angle at which the camera mount 2 is tilted by the user operation is detected by the sensor 8, and the angle at which the driving device 6 is required to drive the camera mount 2 to tilt, that is, the tilt angle at which reverse tilt is required to compensate for shake, is determined based on the tilt angle. Therefore, the lens is stable when the user takes or records the pictures.

In some embodiments, the sensor 8 is a hall sensor; as shown in fig. 2, the hall sensor is located at the center of the coil 62.

In the embodiment of the application, the Hall sensor is adopted to detect through the Hall effect, so that the detection precision is improved. Specifically, the hall sensor is disposed at the center position of the coil 62, and the measurement accuracy can be further improved.

In some embodiments, as shown in fig. 3, the cradle head support 3 is provided with a housing case 32 on a side wall thereof near the first FPC 4; the first FPC 4 is disposed inside the housing case 32.

In the embodiment of the present application, the first FPC 4 is wrapped by the accommodating case 32, so that the first FPC 4 can be easily assembled and positioned on the one hand, and can be protected on the other hand.

In some embodiments, the cradle head support 3 is provided with an opening 33 on a side wall thereof adjacent to the first FPC 4; one end of the first FPC 4 extends into the pan/tilt head holder 3 from the opening 33 and is fixed to the camera head holder 2.

In this application embodiment, set up the opening 33 that is used for first FPC 4 to pass through on the lateral wall of cloud platform support 3, make first FPC 4 fixed with camera support 2 between can, and need not walk around cloud platform support 3, shorten first FPC 4 length, practice thrift the cost.

The embodiment of the application further provides an electronic device, which comprises the camera module.

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 present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.

Claims

1. The utility model provides a module of making a video recording which characterized in that includes: the device comprises a camera, a camera support, a holder support, a first FPC, a second FPC and a driving device for driving the camera support to incline;

the first FPC and the second FPC are positioned on two opposite sides of the camera support;

the first FPC bends and applies first elastic force to the camera support, the second FPC bends and applies second elastic force to the camera support, and the direction of the first elastic force is opposite to that of the second elastic force;

the driving device includes: a magnetic member and a coil;

the magnetic part is fixedly arranged on the inner side surface of the side wall of the holder bracket;

the coil is arranged on the outer side surface of the side wall of the camera support and is electrically connected with the second FPC;

the magnetic part is opposite to the coil;

the camera module further comprises: a support member;

the supporting piece is fixedly arranged on the camera bracket;

the magnetic member is opposite to the support member, and the support member is made of a material capable of being attracted by the magnetic member.

2. The camera module of claim 1, wherein a receiving groove is formed in an inner side surface of the side wall of the pan/tilt support, and the magnetic member is fixedly disposed in the receiving groove.

3. The camera module of claim 1,

the magnetic member includes: a first sub-magnetic member and a second sub-magnetic member;

the coil includes: a first sub-coil opposite to the first sub-magnetic member, and a second sub-magnetic member opposite to the second sub-magnetic member;

the support member includes: a first sub-support opposite to the first sub-magnetic member, and a second sub-support opposite to the second sub-magnetic member;

the first sub-magnetic part is fixedly arranged on the inner side surface of the first side wall of the holder support, the second sub-magnetic part is fixedly arranged on the inner side surface of the second side wall of the holder support, the first side wall is a side wall of the holder support close to the second FPC, and the second side wall is a side wall perpendicular to the first side wall;

the attraction force of the first sub-magnetic piece to the first sub-support piece is not smaller than the elastic force difference between the first elastic force and the second elastic force.

4. The camera module of claim 1, further comprising: a sensor for detecting an inclination angle of the camera head bracket;

the sensor is fixedly arranged on the outer side face of the side wall of the camera support, and the sensor is electrically connected with the second FPC.

5. The camera module of claim 4, wherein the sensor is a Hall sensor;

the Hall sensor is located in the center of the coil.

6. The camera module according to claim 1, wherein a housing is disposed on a side wall of the pan/tilt bracket adjacent to the first FPC;

the first FPC is disposed within the accommodation case.

7. The camera module according to claim 6, wherein an opening is formed in the side wall of the cradle head bracket, which is close to the first FPC;

one end of the first FPC extends into the holder bracket from the opening and is fixed on the camera bracket.

8. An electronic apparatus comprising the camera module according to any one of claims 1 to 7.