CN213581544U - Camera shooting module - Google Patents

Abstract

The utility model provides a camera module, including the casing that has the holding chamber, locate lens subassembly in the holding intracavity, be used for connecting the lens subassembly with the elastic support piece of casing and locating the holding intracavity is used for the drive the anti-shake driving piece that the lens subassembly removed, the casing be equipped with the through-hole that the lens subassembly corresponds, the anti-shake driving piece is located the lens subassembly is kept away from through-hole one side, including the coil and with the coil corresponds and the magnet that the interval set up. The utility model provides a module of making a video recording not only reduces its width direction's size, need not to establish the fulcrum structure in addition in it moreover.

Description

Camera shooting module

[ technical field ] A method for producing a semiconductor device

The utility model relates to an optical imaging technical field especially relates to a module of making a video recording.

[ background of the invention ]

With the development of imaging technology and the rise of electronic products with imaging functions, optical lenses are widely used in various electronic products. Generally, light rays are directly taken from the object side, pass through the lens assembly along the optical axis to the image side, and image the object through the lens assembly. However, during the shooting process, there is often a shake, which causes the optical axis path of the lens assembly to deviate from the normal optical axis path, resulting in a decrease in image definition, and therefore, various anti-shake schemes have been proposed to solve the problem of lens assembly shake. However, the existing solutions are to adjust the position of the lens assembly by side thrust by mounting the anti-shake driving assembly on the side of the lens assembly. In addition, the bottom of the lens assembly needs to have a pivot structure to facilitate rotation of the lens assembly about the pivot structure. This scheme has increased the size of making a video recording module overall structure width direction, moreover, must possess the angular adjustment that bottom fulcrum structure could realize the lens subassembly.

Therefore, there is a need for a camera module that can reduce the overall width of the camera module, and can adjust the position of the lens assembly conveniently and omnidirectionally without additionally providing a pivot structure at the bottom of the lens assembly.

[ Utility model ] content

An object of the utility model is to provide a camera module to solve current anti-shake scheme and increase camera module overall structure width size and need establish the technical problem of fulcrum structure in addition bottom the lens subassembly.

The technical scheme that one of the purposes of the utility model provides as follows: the utility model provides a camera module, is including the casing that has the holding chamber, locate lens subassembly in the holding chamber, be used for connecting the lens subassembly with the elastic support piece of casing and locating the holding intracavity is used for the drive the anti-shake driving piece that the lens subassembly removed, the casing be equipped with the through-hole that the lens subassembly corresponds, anti-shake driving piece is located the lens subassembly is kept away from through-hole one side, including the coil and with the magnet that the coil corresponds and the interval set up.

Further, the magnet is magnetic steel.

Further, the shell comprises a bottom plate and a side plate which is arranged on the bottom plate and surrounds the lens assembly in the circumferential direction, the through hole is opposite to the bottom plate, and the side plate and the bottom plate are enclosed to form the accommodating cavity.

Further, the magnetic steel is fixed at the bottom of the lens assembly, and the coil is fixed on the bottom plate.

Further, the coil is fixed at the bottom of the lens assembly, and the magnetic steel is fixed on the bottom plate.

Further, the anti-shake driving member comprises one coil and one magnetic steel.

Further, the coil and the magnetic steel are parallel and opposite to each other.

Furthermore, the plane of the coil is perpendicular to the direction of the optical axis of the camera module.

Further, the coil is in a runway shape, and the magnetic steel is rectangular.

Further, the anti-shake driving piece is equipped with two at least, and is adjacent the anti-shake driving piece interval sets up.

Furthermore, the elastic support comprises a spring, a first connecting part arranged on the lens assembly and a second connecting part arranged on the side plate, and the spring is connected between the first connecting part and the second connecting part.

Furthermore, the camera module also comprises a circuit board for supplying power, and the circuit board is arranged in the shell in a penetrating way.

The beneficial effects of the utility model reside in that: (1) the anti-shake driving piece comprising the coil and the magnet is arranged on one side of the lens assembly, which is far away from the through hole, namely on the bottom of the lens assembly, so that the size of the camera module in the width direction is reduced; (2) when the coil to anti-shake driving piece circular telegram, can produce drive power between coil and the magnet, size and direction through control coil electric current, can control the size and the direction of the drive power of anti-shake driving piece, thereby make the position that lens subassembly and anti-shake driving piece correspond receive the effect of different drive power, under the effect of drive power, the lens subassembly can produce and remove the shake that arouses with the compensation by external factors, and then realize the anti-shake function of lens subassembly, consequently, when realizing the module anti-shake function of making a video recording, need not establish in addition the fulcrum structure again bottom the lens subassembly and make the lens subassembly rotate around this fulcrum structure when the position adjustment. Therefore, the utility model provides a module of making a video recording not only reduces its width direction's size, need not to establish the fulcrum structure in addition in its bottom moreover.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a camera module according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural view of the camera module removing bottom plate according to the first embodiment of the present invention;

fig. 4 is a schematic structural diagram of the lens assembly, the elastic supporting member, and the anti-shake driving member according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of the camera module provided in the second embodiment of the present invention at the same position as the camera module provided in the first embodiment of the present invention;

fig. 6 is a schematic structural view of the camera module removing base plate according to the embodiment of the present invention.

In the figure: 100. a camera module; 1. a housing; 11. an accommodating cavity; 12. a base plate; 13. a side plate; 14. a top plate; 141. a through hole; 2. a lens assembly; 3. an elastic support member; 31. a spring; 32. a first connection portion; 33. a second connecting portion; 4. an anti-shake drive member; 41. a coil; 42. magnetic steel; 5. a circuit board.

[ detailed description ] embodiments

The present invention will be described in detail with reference to fig. 1 to 6.

Example one

Referring to fig. 1 to 4, an embodiment of the present invention provides a camera module 100, including a housing 1 having a housing cavity 11, a lens assembly 2 disposed in the housing cavity 11, an anti-shake driving assembly for connecting the lens assembly 2 and the elastic supporting member 3 of the housing 1 and disposed in the housing cavity 11 and used for driving the lens assembly 2 to move, the housing 1 is provided with a through hole 141 corresponding to the lens assembly 2, the through hole 141 is used for passing an optical axis, the anti-shake driving assembly is disposed on one side of the lens assembly 2 far away from the through hole 141, and includes a coil 41 and a magnet corresponding to the coil 41 and disposed at an interval. The lens component 2 is supported in the shell 1 by arranging the elastic supporting piece 3, so that collision with the shell 1 is avoided; the anti-shake driving member 4 including the coil 41 and the magnet is arranged on the side of the lens assembly 2 far away from the through hole 141, namely on the bottom of the lens assembly 2, so that the size of the camera module 100 in the width direction is reduced; when coil 41 to anti-shake driving piece 4 circular telegram, can produce drive power between coil 41 and the magnet, size and direction through control coil 41 electric current, can control the size and the direction of the drive power of anti-shake driving piece 4, thereby make the position that lens subassembly 2 and anti-shake driving piece 4 correspond receive the effect of different drive power, under the effect of drive power, lens subassembly 2 produces and removes the shake that arouses with the compensation by external factors, and then realize lens subassembly 2's anti-shake function, consequently, when realizing that camera module 100 has the anti-shake function, need not establish the fulcrum structure in addition in lens subassembly 2 bottom again and make lens subassembly 2 rotate around this fulcrum structure when the position adjustment. Therefore, the embodiment of the present invention provides a camera module 100, which not only reduces the size of the width direction thereof, but also does not need to additionally provide a pivot structure at the bottom thereof.

Preferably, the magnet is magnetic steel 42.

The shell 1 comprises a bottom plate 12, a side plate 13 arranged on the bottom plate 12 and arranged around the circumference of the lens assembly 2, a through hole 141 is arranged opposite to the bottom plate 12, and the side plate 13 and the bottom plate 12 enclose to form an accommodating cavity 11. The magnetic steel 42 is fixed at the bottom of the lens assembly 2, and the coil 41 is fixed at the bottom plate 12. In the present embodiment, the housing 1 further includes a top plate 14, and the through hole 141 is provided in the top plate 14.

The anti-shake driving member 4 includes a coil 41 and a magnetic steel 42, the coil 41 is parallel to and opposite to the magnetic steel 42, and a plane of the coil 41 is perpendicular to the optical axis direction of the camera module 100 (the direction indicated by the Z axis in fig. 1 is the optical axis direction).

Preferably, the coil 41 is racetrack shaped and the magnet steel 42 is rectangular. It will be appreciated that the coil 41 and the magnet 42 may be of other shapes.

Preferably, at least two anti-shake driving members 4 are provided, and adjacent anti-shake driving members 4 are spaced apart. Locate lens subassembly 2 through locating two at least anti-shake driving piece 4 and keep away from through-hole 141 one side, locate the bottom of lens subassembly 2 promptly, when the coil 41 to anti-shake driving piece 4 circular telegram, can produce drive power between coil 41 and the magnet steel 42, through the size and the direction of controlling each coil 41 electric current, can control the size and the direction of the drive power of each anti-shake driving piece 4, thereby make the position that lens subassembly 2 and each anti-shake driving piece 4 correspond receive the effect of different drive powers, under the effect of all drive powers, lens subassembly 2 can produce and remove the shake that arouses with the compensation by external factors, and then realize lens subassembly 2's anti-shake function.

Referring to fig. 3 and 4, three anti-shake drivers 4 are provided, and are disposed at equal intervals along the bottom circumference of the lens assembly 2. In other embodiments, the number of the anti-shake driving members 4 is not limited to three as shown in fig. 3 and 4, and may also be four, five, etc., and the arrangement of the anti-shake driving members 4 is not limited to the arrangement shown in fig. 3 and 4, and may be symmetrically arranged or asymmetrically arranged.

In the present embodiment, the elastic supporting member 3 includes a spring 31, a first connecting portion 32 disposed on the lens assembly 2, and a second connecting portion 33 disposed on the side plate 13, and the spring 31 is connected between the first connecting portion 32 and the second connecting portion 33. The camera module 100 further includes a circuit board 5 for supplying power, and the circuit board 5 is disposed through the housing 1. In the present embodiment, the circuit board 5 is inserted through the side plate 13.

Example two

Referring to fig. 5 and fig. 6, the present embodiment is different from the first embodiment in that the coil 41 is disposed on the lens assembly 2, and the magnetic steel 42 is disposed on the bottom plate 12. Other technical contents are the same, and are not described in detail herein. Fig. 5 is a cross-sectional view of the camera module provided in this embodiment, and the cross-sectional position is the same as that of the camera module provided in the first embodiment.

The above description is only an embodiment of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims (12)

1. The utility model provides a camera module, its characterized in that, including the casing that has the holding chamber, locate lens subassembly in the holding chamber, be used for connecting the lens subassembly with the elastic support piece of casing and locating the holding intracavity is used for the drive the anti-shake driving piece that the lens subassembly removed, the casing be equipped with the through-hole that the lens subassembly corresponds, the anti-shake driving piece is located the lens subassembly is kept away from through-hole one side, including the coil and with the magnet that the coil corresponds and the interval set up.

2. The camera module of claim 1, wherein the magnet is magnetic steel.

3. The camera module of claim 2, wherein the housing includes a bottom plate and a side plate disposed on the bottom plate and circumferentially surrounding the lens assembly, the through hole is disposed opposite to the bottom plate, and the side plate and the bottom plate enclose the accommodating cavity.

4. The camera module of claim 3, wherein the magnetic steel is fixed to a bottom of the lens assembly, and the coil is fixed to the base plate.

5. The camera module of claim 3, wherein the coil is fixed to a bottom of the lens assembly, and the magnetic steel is fixed to the base plate.

6. A camera module according to claim 4 or 5, characterized in that the anti-shake drive member comprises one said coil and one said magnetic steel.

7. The camera module of claim 6, wherein the coil and the magnetic steel are parallel and opposite to each other.

8. The camera module of claim 7, wherein the plane of the coil is perpendicular to the direction of the optical axis of the camera module.

9. The camera module of claim 8, wherein the coil is racetrack shaped and the magnetic steel is rectangular.

10. The camera module of claim 1, wherein at least two of the anti-shake drive members are provided, and adjacent anti-shake drive members are spaced apart.

11. The camera module of claim 3, wherein the resilient support comprises a spring, a first connecting portion disposed on the lens assembly, and a second connecting portion disposed on the side plate, the spring being connected between the first connecting portion and the second connecting portion.

12. The camera module of claim 1, further comprising a circuit board for supplying power, the circuit board being disposed through the housing.

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