CN216531449U

CN216531449U - Automatic focusing camera module

Info

Publication number: CN216531449U
Application number: CN202122466707.XU
Authority: CN
Inventors: 杨生武
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-13
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses an automatic focusing camera module, which comprises a large-size lens, a lens seat and a bottom plate, wherein the lens is fixed on the upper part of the lens seat, the bottom plate is fixed at the bottom of the lens seat, the lens seat is of a shell structure with an internal cavity, an image sensor driving mechanism is fixed on the bottom plate corresponding to the projection position of the lens, the image sensor driving mechanism is positioned in the lens seat, an image sensor is fixed on one side, far away from the bottom plate, above the image sensor driving mechanism, the image sensor is parallel to a lens group of the lens, and the image sensor driving mechanism drives the image sensor to move up and down along the direction vertical to the image sensor. The utility model fixes the image sensor on the driving mechanism, controls the image sensor to move up and down through the driving mechanism to realize automatic focusing, realizes the automatic focusing of the lens camera module with large size, heavy weight and longer TTL height, and has simple structure and high cost performance.

Description

Automatic focusing camera module

Technical Field

The utility model belongs to the technical field of camera shooting, and particularly relates to an automatic focusing camera module.

Background

At present, cameras play an important role in more and more fields. The camera generally has an automatic focusing function, and for a conventional camera module, the camera is mainly carried by a motor to move up and down to realize automatic focusing, and the focusing mode is suitable for the camera with short TTL height, small size and light weight, but in some application scenes, a large-size lens is needed, because the lens is of a full-glass or glass-plastic mixed structure, the weight is larger, and the TTL height is long, so that the camera is difficult to be directly carried by the motor to perform automatic focusing.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide an automatic focusing camera module with a large lens weight and size and a long TTL height.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model provides an automatic camera module of focusing, includes jumbo size camera lens, lens mount and bottom plate, the camera lens is fixed on lens mount upper portion, the bottom plate is fixed in the lens mount bottom, the shell structure of lens mount for having inside cavity, the fixed image sensor actuating mechanism of projection position who corresponds the camera lens on the bottom plate, image sensor actuating mechanism is located the lens mount, keeps away from the fixed image sensor in one side of bottom plate in image sensor actuating mechanism top, image sensor is parallel with the lens group of camera lens, image sensor actuating mechanism drive image sensor reciprocates along perpendicular to image sensor's direction.

Furthermore, the image sensor driving mechanism comprises a motor and a lens barrel, the motor is fixed on the bottom plate, the lens barrel is positioned in the motor and driven by the motor to vertically move by the motor, and the image sensor is fixed at the top end of the lens barrel.

Preferably, the motor is a voice coil motor.

Preferably, the bottom plate is a PCB or FPC soft board, and when the bottom plate is the FPC soft board, the back of the FPC soft board is reinforced by a steel sheet.

Furthermore, a connecting socket is arranged on the back of the PCB and used for transmitting image data and controlling the motor assembly.

Furthermore, the image sensor is connected with the bottom plate through an FPC.

Preferably, the number of the FPCs is two, and the FPCs are symmetrically arranged on two sides of the image sensor and used for balancing the image sensor.

Further, the FPC is connected with the bottom plate through a connector, a plug of the connector is fixed at the tail end of the FPC, and a socket of the connector is fixed on the front face of the PCB.

Preferably, the connector is a b2b connector or a ZIF connector.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model fixes the image sensor on the driving mechanism, controls the image sensor to move up and down through the driving mechanism to realize automatic focusing, realizes the automatic focusing of the lens camera module with large size, heavy weight and longer TTL height, and has simple structure and high cost performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

wherein: 1. the device comprises a lens, 2, a lens cone, 3, a lens holder, 4, an FPC, 5, a connector, 6, a connecting socket, 7, an image sensor, 8, a bottom plate, 9 and a motor.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings:

the utility model relates to an automatic focusing camera module which is used for configuring a camera module with a large-scale, heavy-weight and long lens with TTL height. The image sensor is small in size, light in weight and easy to drive by the driving mechanism, and based on the focusing principle, the image sensor is moved to replace a lens to move, so that focusing is realized.

Example 1

As shown in fig. 1, the present invention includes a large-sized lens 1, a lens mount 3, and a bottom plate 8, wherein the lens is fixed on the upper portion of the lens mount, the bottom plate is fixed on the bottom of the lens mount, in order to realize auto-focusing, the lens mount of the present embodiment is a housing structure having an internal cavity, an image sensor driving mechanism is fixed on the bottom plate corresponding to the projection position of the lens, the image sensor driving mechanism is located in the lens mount, an image sensor 7 is fixed on a side of the image sensor driving mechanism above the bottom plate, the side being away from the bottom plate, the image sensor is parallel to a lens group of the lens, and the image sensor driving mechanism drives the image sensor to move up and down along a direction perpendicular to the image sensor.

For this embodiment, the image sensor driving mechanism includes a motor 9 and a lens barrel 2, the motor is fixed on the bottom plate, the lens barrel is located inside the motor, and can be driven by the motor and vertically move up and down by the motor, and the image sensor is fixed on the top end of the lens barrel, so that the motor can drive the lens barrel to move to realize the movement of the image sensor, and further realize the automatic focusing. For the present embodiment, the motor is preferably a voice coil motor. In order to achieve better integration and facilitate connection and control of the motor and the image sensor, the bottom plate of the utility model adopts a PCB or an FPC soft board, when the FPC soft board is adopted, the back of the FPC soft board is reinforced by a steel sheet, and the PCB is preferably adopted in the embodiment. The image sensor is connected with the bottom plate through the FPC 4. The FPC is connected with the bottom plate through a connector 5, a plug of the connector is fixed at the tail end of the FPC, and a socket of the connector is fixed on the front face of the PCB. For the present embodiment, the connector preferably employs a b2b connector or a ZIF connector.

Example 2

The present embodiment differs from the embodiment in that: the motor of this embodiment adopts the ultrasonic motor, and in addition, the FPC 4 of this embodiment is two, and the symmetry sets up in image sensor both sides for balanced image sensor makes things convenient for being connected of image sensor and PCB board, also makes the focus of lens cone more balanced simultaneously, can not influence motor and imaging quality.

In order to facilitate connection with devices outside the camera module, such as a display screen, a control panel and the like, a connection socket 6 is arranged on the back surface of the PCB and used for transmitting image data and controlling the motor assembly.

Claims

1. The utility model provides an automatic focusing camera module which characterized in that: including jumbo size camera lens, lens mount and bottom plate, the camera lens is fixed on lens mount upper portion, the bottom plate is fixed in the lens mount bottom, the shell structure of lens mount for having inside cavity, the fixed image sensor actuating mechanism of projection position who corresponds the camera lens on the bottom plate, image sensor actuating mechanism is located the lens mount, keeps away from the fixed image sensor of one side of bottom plate in image sensor actuating mechanism top, image sensor is parallel with the lens group of camera lens, image sensor actuating mechanism drive image sensor reciprocates along perpendicular to image sensor's direction.

2. The auto-focus camera module according to claim 1, wherein: the image sensor driving mechanism comprises a motor and a lens barrel, the motor is fixed on the bottom plate, the lens barrel is positioned in the motor and driven by the motor to vertically move by the motor, and the image sensor is fixed at the top end of the lens barrel.

3. The auto-focus camera module according to claim 2, wherein: the motor is a voice coil motor.

4. The auto-focus camera module according to any one of claims 1 to 3, wherein: the bottom plate is a PCB or FPC soft board, and when the bottom plate is the FPC soft board, the back of the FPC soft board is reinforced by a steel sheet.

5. The auto-focus camera module according to claim 4, wherein: and the back surface of the PCB is provided with a connecting socket for transmitting image data and controlling the motor assembly.

6. The auto-focus camera module according to claim 5, wherein: the image sensor is connected with the bottom plate through the FPC.

7. The auto-focus camera module according to claim 6, wherein: the two FPCs are symmetrically arranged on two sides of the image sensor and used for balancing the image sensor.

8. The auto-focus camera module according to claim 7, wherein: the FPC is connected with the bottom plate through a connector, a plug of the connector is fixed at the tail end of the FPC, and a socket of the connector is fixed on the front face of the PCB.

9. The auto-focus camera module according to claim 8, wherein: the connector is a b2b connector or a ZIF connector.