CN214252704U

CN214252704U - Lens module

Info

Publication number: CN214252704U
Application number: CN202120355139.3U
Authority: CN
Inventors: 刘述伦; 耿新龙; 计树标
Original assignee: Guangdong Haideya Technology Co ltd
Current assignee: Henan Haoze Electronics Co ltd Kunshan Branch
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-09-21
Anticipated expiration: 2031-02-08

Abstract

The application discloses a lens module, which comprises a lens component, an image sensor, a movable plate and a driving component, wherein the image sensor is positioned at the bottom of the lens component and is used for receiving an image signal transmitted by the lens component; the movable plate is connected with the image sensor and is used for driving the image sensor to move; the driving assembly comprises a memory alloy wire, a connecting rod and an elastic piece, wherein one end of the elastic piece is fixedly arranged, and the other end of the elastic piece is connected with one end of the connecting rod; one end of the memory alloy wire is fixedly arranged, and the other end of the memory alloy wire is connected with the other end of the connecting rod; one end of the connecting rod, which is connected with the memory alloy wire, is provided with a butting part which is butted with the movable plate; the driving assembly is electrified and contracted through the memory alloy wire to drive the connecting rod to rotate around the elastic piece, so that the abutting part drives the movable plate to move. Through so setting up for lens module simple structure and occupation space are little, do benefit to the miniaturization of camera equipment volume.

Description

Lens module

Technical Field

The application relates to the technical field of camera shooting, in particular to a lens module.

Background

With the rapid development of multimedia technology, digital cameras, video cameras, tablet computers and mobile phones with cameras are more and more favored by consumers, and in the digital cameras, video cameras, mobile phone cameras and other photographic devices, the lens module is an indispensable component. A camera module generally includes a lens barrel, a lens mount, a lens, and an image sensor. The lens is accommodated in the lens barrel, and the image sensor is arranged on the lens base.

In the conventional anti-shake lens module, a driving motor or a voice coil motor is used to drive a lens barrel or a lens base to displace, so that the distance between the lens barrel and the lens base of the lens module is changed to realize focusing or anti-shake. However, the lens module is not only high in cost, but also has a large volume and a complex structure, and cannot meet the requirements of people for being light, thin, short and small. Therefore, it is desirable to provide a lens module with low cost, simple structure and small space occupation.

SUMMERY OF THE UTILITY MODEL

This application aims at solving one of the technical problem that exists among the prior art at least, for this reason, this application provides a lens module, lens module simple structure and occupation space are little, do benefit to the miniaturization of camera equipment volume.

The lens module comprises a lens component, an image sensor, a movable plate and a driving component, wherein the image sensor is positioned at the bottom of the lens component and is used for receiving an image signal transmitted by the lens component; the movable plate is connected with the image sensor and is used for driving the image sensor to move; the driving assembly comprises a memory alloy wire, a connecting rod and an elastic piece, wherein one end of the elastic piece is fixedly arranged, and the other end of the elastic piece is connected with one end of the connecting rod; one end of the memory alloy wire is fixedly arranged, and the other end of the memory alloy wire is connected with the other end of the connecting rod; one end of the connecting rod, which is connected with the memory alloy wire, is provided with a butting part, and the butting part is butted with the movable plate; the driving assembly is electrified and contracted through the memory alloy wire to drive the connecting rod to rotate around the elastic piece, so that the abutting part drives the movable plate to move.

According to the lens module of the embodiment of the application, through such setting, the following beneficial effects can be achieved at least: the image sensor is located below the lens component, the movable plate is connected with the image sensor, and the movable plate is driven to move through the driving component so as to drive the image sensor to move and adjust the position relation between the image sensor and the lens component, so that the focusing or anti-shaking effect is achieved. Focusing or anti-shake is carried out through the mode of adjusting image sensor rather than the lens subassembly, because of image sensor is small, the quality is light for the required drive power of lens module is littleer, and drive assembly's volume also can reduce, and it is more convenient to drive. Meanwhile, the size of the image sensor is small, so that the movement space reserved for the image sensor by the lens module is small. The driving assembly comprises an elastic piece, a connecting rod and a memory alloy wire, and when the memory alloy wire is electrified and contracted, the connecting rod can be pulled to rotate around the elastic piece, so that the abutting portion can drive the movable plate to move, the position relation between the image sensor and the lens assembly is adjusted, and the technical effect of focusing or anti-shaking is achieved. The driving assembly is small in size and does not occupy too much space, the moving stroke of the driving movable plate is larger than the contraction degree of the memory alloy wire, and the stroke of the memory alloy wire can be enlarged.

According to some embodiments of the application, the side of the movable plate is provided with a bending part, and the abutting part of the connecting rod abuts against the bending part.

According to some embodiments of the application, the driving assembly is provided with four groups, four sides of the movable plate are provided with the bending portions, and each bending portion is abutted to one group of the connecting rods of the driving assembly.

According to some embodiments of the application, four of the bending portions are respectively disposed at two diagonal positions of the movable plate, and two of the diagonal positions are both disposed with two of the bending portions.

According to some embodiments of the present application, the optical lens module further comprises a mounting plate, the mounting plate is disposed at the bottom of the lens assembly and connected to the lens assembly, and the driving assembly is disposed at the bottom surface of the mounting plate; elastic component one end with mounting panel fixed connection, the other end with the one end of connecting rod is connected, memory alloy wire one end with mounting panel fixed connection, the other end with the other end of connecting rod is connected.

According to some embodiments of the application, the bottom surface of the mounting plate is provided with a flat bearing, the top surface of the movable plate is abutted against the mounting plate through the flat bearing, and the driving assembly is arranged between the mounting plate and the movable plate.

According to some embodiments of the application, be provided with magnet on the mounting panel, the fly leaf is soft magnetic material and makes, mounting panel and fly leaf pass through the mutual butt of magnetic force.

According to some embodiments of this application, the elastic component is including the stationary plane, the face is buckled to elasticity and connection face, the stationary plane is fixed to be set up, it is in to connect the face laminating the one end of connecting rod, the face is buckled to elasticity is connected the stationary plane with connect the face, and the face orientation is buckled to elasticity the setting of memory alloy line.

According to some embodiments of the application, the camera lens further comprises a flexible circuit board, the flexible circuit board is arranged around the lens assembly along the side direction of the lens assembly, and the flexible circuit board is used for connecting the image sensor and a main board of the camera device.

According to some embodiments of the application, the flexible circuit board is including first flexible circuit board and second flexible circuit board, image sensor's wherein two opposite flanks are provided with first connection port and second connection port respectively, be provided with third connection port on the mounting panel, third connection port with drive assembly electricity is connected, be provided with fourth connection port on the camera lens subassembly, fourth connection port with the inside module electricity that focuses of camera lens subassembly is connected, third connection port and fourth connection port correspond respectively image sensor's two other opposite flanks, first flexible circuit board is connected first connection port and third connection port, the second flexible circuit board is connected second connection port and fourth connection port.

According to some embodiments of the present application, the first flexible circuit board includes a first body and a first connection portion, the first body is disposed around two adjacent side surfaces of the lens assembly, the first body is connected to the first connection port and the third connection port, and the first connection portion is disposed on a surface of the first body for connecting to the third connection port; the second flexible circuit board comprises a second body and a second connecting part, the second body is arranged in a surrounding mode along the direction of the other two adjacent side faces of the lens assembly, the second body is connected with the second connecting port and the fourth connecting port, and the second connecting part is arranged on one face, used for being connected with the fourth connecting port, of the second body; the first connecting part and the second connecting part are used for connecting a main board of the camera equipment.

According to some embodiments of the present application, the first flexible circuit board includes a first body and a first connection portion, the first body is disposed around two adjacent side surfaces of the lens assembly, the first body is connected to the first connection port and the third connection port, and the first connection portion is disposed on a surface of the first body for connecting to the third connection port; the second flexible circuit board comprises a second body and a second connecting part, the second body is arranged in a surrounding mode along the direction of four side faces of the lens assembly, the second body is connected with the second connecting port and the fourth connecting port, and the second connecting part is arranged on one face, corresponding to the third connecting port, of the second body; the first connecting part and the second connecting part are used for connecting a main board of the camera equipment.

According to some embodiments of the application, the side bending of fly leaf is formed with the binding face, the binding face laminating is in on image sensor's the lateral wall, flexible circuit board's bottom fixed connection be in on the binding face.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The foregoing additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a lens module housing according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a mounting structure of a flexible circuit board and a lens assembly according to an embodiment of the present application;

fig. 3 is a schematic view of a lens module decomposition structure according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a mounting plate and a driving assembly according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a mounting plate, a drive assembly and a movable plate according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a drive assembly according to an embodiment of the present application;

FIG. 7 is a schematic diagram of a flexible circuit board arrangement according to one embodiment of the present application;

FIG. 8 is a schematic view from another perspective of the flexible circuit board arrangement of FIG. 7;

FIG. 9 is a schematic diagram of a flexible circuit board arrangement according to another embodiment of the present application;

fig. 10 is a schematic view from another perspective of the flexible circuit board arrangement of fig. 9.

Reference numerals:

the lens assembly 100, the fourth connection port 110, the image sensor 200, the first connection port 210, the second connection port 220, the movable plate 300, the bent portion 310, the attachment surface 320, the memory alloy wire 410, the link 420, the abutting portion 421, the elastic member 430, the fixing surface 431, the elastic bent surface 432, the connection surface 433, the mounting plate 500, the flat bearing 510, the magnet 520, the third connection port 530, the flexible circuit board 600, the first flexible circuit board 600a, the second flexible circuit board 600b, the first surface 610, the second surface 620, the third surface 630, the fourth surface 640, the fifth surface 650, the sixth surface 660, the first connection portion 670, the second connection portion 680, and the housing 700.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, and the like, referred to as positional or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

A lens module according to an embodiment of the present application is described below with reference to fig. 1 to 10.

The lens module according to the embodiment of the application comprises a lens assembly 100, an image sensor 200, a movable plate 300 and a driving assembly, wherein the image sensor 200 is located at the bottom of the lens assembly 100, and the image sensor 200 is used for receiving an image signal transmitted by the lens assembly 100; the movable plate 300 is connected to the image sensor 200, and the movable plate 300 is used for driving the image sensor 200 to move; the driving assembly comprises a memory alloy wire 410, a connecting rod 420 and an elastic piece 430, wherein one end of the elastic piece 430 is fixedly arranged, and the other end of the elastic piece is connected with one end of the connecting rod 420; one end of the memory alloy wire 410 is fixedly arranged, and the other end is connected with the other end of the connecting rod 420; one end of the connecting rod 420 connected with the memory alloy wire 410 is provided with a contact part which is contacted with the movable plate 300; the driving assembly is powered on and contracted by the memory alloy wire 410 to drive the link 420 to rotate around the elastic member 430, so that the abutting portion drives the movable plate 300 to move.

For example, as shown in fig. 3 and 5, the lens module includes a lens assembly 100, an image sensor 200, a movable plate 300, and a driving assembly, a lens is disposed in the lens assembly 100, the lens is used for collecting images, and a focusing module can drive the lens module to move in an axial direction to achieve lens focusing. The image sensor 200 is disposed at the bottom of the lens assembly 100 and can receive the image signal transmitted from the lens assembly 100. The movable plate 300 is connected to the image sensor 200 to drive the image sensor 200 to start, the driving component is used to drive the movable plate 300 to move, and the movable plate 300 moves to drive the image sensor 200 to move together, so as to change the position relationship between the image sensor 200 and the lens component 100, thereby achieving the technical effect of lens anti-shake.

Focusing or anti-shake is carried out by adjusting the image sensor 200 instead of the lens assembly 100, and the image sensor 200 is small in size and light in weight, so that the driving force required by the lens module is smaller, the size of the driving assembly can be reduced, and the driving is more convenient. Meanwhile, the image sensor 200 has a small volume, so that the lens module has a small movement space reserved for the image sensor 200.

The driving assembly comprises an elastic member 430, a connecting rod 420 and a memory alloy wire 410, wherein one end of the elastic member 430 is fixedly arranged, and the other end of the elastic member is connected with one end of the connecting rod 420; one end of the memory alloy wire 410 is fixedly arranged, and the other end is connected with the other end of the connecting rod 420; an abutting portion is provided at one end of the link 420 connected to the memory alloy wire 410, and the abutting portion abuts against the movable plate 300. When the memory alloy wire 410 is powered on and contracted, the memory alloy wire 410 pulls the end of the connecting rod 420 provided with the abutting part to rotate around the elastic part 430, and the movement of the abutting part drives the movable plate 300 to move together, so that the image sensor 200 moves together, and the anti-shaking technical effect is realized.

The movable plate 300 is driven to move by the memory alloy wire 410 so as to adjust the position relationship between the image sensor 200 and the lens assembly 100, thereby achieving the technical effect of focusing or anti-shaking. The driving assembly has a small volume, does not occupy too much space, and the stroke of the movable plate 300 is greater than the degree of contraction of the memory alloy wire 410, so that the stroke of the memory alloy wire 410 can be enlarged.

In some embodiments of the present application, the side of the movable plate 300 is provided with a bent portion 310, and the abutting portion of the link 420 abuts against the bent portion 310.

For example, as shown in fig. 3 and 5, the side surface of the movable plate 300 is provided with a bent portion 310, and the bent portion 310 is perpendicular to the main body of the movable plate 300, so that the abutting portion can abut against the side wall of the bent portion 310, when the abutting portion moves, the bent portion 310 can be pushed to move, and the movement of the bent portion 310 drives the movable plate 300 and the image sensor 200 to move, thereby achieving the purpose of driving the movable plate 300 to move.

Furthermore, the abutting part is made of wear-resistant materials, so that the abrasion is small, and the service life is longer. Furthermore, the abutting surface of the abutting portion and the bending portion 310 is provided with an arc protrusion, the abutting portion abuts against the bending portion 310 through the arc protrusion, certain friction can be reduced when the abutting portion and the bending portion 310 perform relative motion, abrasion is reduced, and the service life is prolonged.

In some embodiments of the present application, the driving elements are provided in four sets, and the four sides of the movable plate 300 are provided with the bent portions 310, and each bent portion 310 abuts against the connecting rod 420 of one set of driving elements.

For example, as shown in fig. 3 and 5, four sets of driving components are provided, and four sides of the movable plate 300 are provided with the bent portions 310, and each bent portion 310 abuts against the link 420 of one set of driving components. When the image sensor 200 needs to move in a certain direction, the memory alloy wire 410 of the driving component in the direction is electrified and contracted, the memory alloy wire 410 of the driving component opposite to the memory alloy wire 410 is loosened, so that the driving component can drive the movable plate 300 to move in the same direction, meanwhile, the abutting parts of the driving components on the two sides abut against the bending part 310, balance can be kept, the movable plate 300 can move horizontally, deflection cannot occur, and accuracy is guaranteed.

The four sides of the movable plate 300 are provided with the bending parts 310, and each bending part 310 is provided with a set of driving components for driving, so that the movable plate 300 has freedom degrees in four directions, can move in the X-axis direction and the Y-axis direction, has a larger moving range, and facilitates the position adjustment between the image sensor 200 and the lens component 100.

In some embodiments of the present application, the four bending portions 310 are respectively disposed at two diagonally opposite corners of the movable plate 300, and two bending portions 310 are disposed at both diagonally opposite corners.

For example, as shown in fig. 3 and 5, four bent portions 310 are respectively disposed at two diagonally opposite corners of the movable plate 300, and two bent portions 310 are disposed at both diagonally opposite corners. The driving assembly can drive the movable plate 300 to rotate clockwise or counterclockwise by being arranged at the corners, so that the lens module can realize rotation and anti-shake. When the movable plate 300 needs to rotate, two sets of memory alloy wires 410 arranged at intervals shrink simultaneously to drive the movable plate 300 to rotate, so as to realize rotation and anti-shake, and because the four bending portions 310 are arranged at two diagonal positions of the movable plate 300, the driving directions of the bending portions 310 at each diagonal position are opposite, so that the driving assembly can drive the movable plate 300 to rotate clockwise or drive the movable plate 300 to rotate counterclockwise.

In some embodiments of the present application, the present application further includes a mounting plate 500, the mounting plate 500 is disposed at the bottom of the lens assembly 100 and connected to the lens assembly 100, and the driving assembly is disposed at the bottom of the mounting plate 500; one end of the elastic member 430 is fixedly connected to the mounting plate 500, and the other end thereof is connected to one end of the link 420, and one end of the memory alloy wire 410 is fixedly connected to the mounting plate 500, and the other end thereof is connected to the other end of the link 420.

For example, as shown in fig. 4, the lens module further includes a mounting plate 500, the mounting plate 500 is disposed at the bottom of the lens assembly 100 and connected to the lens assembly 100, and the driving assembly is disposed at the bottom of the mounting plate 500. One end of the elastic member 430 is fixedly connected with the mounting plate 500, the other end of the elastic member is connected with one end of the connecting rod 420, one end of the memory alloy wire 410 is fixedly connected with the mounting plate 500, the other end of the memory alloy wire 410 is fixedly connected with the other end of the connecting rod 420, when the memory alloy wire 410 is electrified and contracted, the connecting rod 420 can be pulled to rotate around the elastic member 430, so that one end of the connecting rod 420, which is provided with an abutting part, rotates, and the movable plate 300 is pushed to move.

Through the arrangement of the mounting plate 500, the position of the driving assembly can be fixed, and the stability and the driving precision are kept.

In some embodiments of the present application, the bottom surface of the mounting plate 500 is provided with a flat bearing 510, the top surface of the movable plate 300 abuts against the mounting plate 500 through the flat bearing 510, and the driving assembly is disposed between the mounting plate 500 and the movable plate 300.

For example, as shown in fig. 4, the bottom surface of the mounting plate 500 is provided with a plane bearing 510, the top surface of the movable plate 300 is abutted against the mounting plate 500 through the plane bearing 510, and the driving assembly is disposed between the mounting plate 500 and the movable plate 300. By abutting the movable plate 300 against the mounting plate 500, the driving assembly is facilitated to drive the movable plate 300. The plane bearing 510 is disposed between the mounting plate 500 and the movable plate 300, and when the movable plate 300 moves relative to the mounting plate 500, due to the arrangement of the plane bearing 510, the relative movement between the movable plate 300 and the mounting plate 500 is sliding, the static friction force is changed into the dynamic friction force, the friction force is reduced, and the abrasion of the movable plate 300 is reduced.

In some embodiments of the present application, the magnet 520 is disposed on the mounting plate 500, the movable plate 300 is made of soft magnetic material, and the mounting plate 500 and the movable plate 300 are abutted against each other by magnetic force.

For example, as shown in fig. 4, a magnet 520 is disposed on the mounting plate 500, the movable plate 300 is made of a soft magnetic material, and the magnet 520 has an attraction force to the soft magnetic material, so that the movable plate 300 and the mounting plate 500 abut against each other by the attraction force of the magnet 520 to the soft magnetic material.

The mounting plate 500 and the movable plate 300 are abutted against each other through the magnetic force and the planar bearing 510, and the driving assembly is disposed between the mounting plate 500 and the movable plate 300, so that the volume is saved, the structure is compact, and the miniaturization of the volume of the lens module is facilitated.

In some embodiments of the present application, the elastic member 430 includes a fixing surface 431, an elastic bending surface 432 and a connecting surface 433, the fixing surface 431 is attached to the mounting plate 500, the connecting surface 433 is attached to one end of the link 420, the elastic bending surface 432 connects the fixing surface 431 and the connecting surface 433, and the elastic bending surface 432 is disposed toward the memory alloy wire 410.

For example, as shown in fig. 6, the elastic member 430 includes a fixing surface 431, an elastic bending surface 432 and a connecting surface 433, the fixing surface 431 is attached to the mounting plate 500, the connecting surface 433 is attached to one end of the link 420, the elastic bending surface 432 connects the fixing surface 431 and the connecting surface 433, and the elastic bending surface 432 is disposed toward the memory alloy wire 410.

When the memory alloy wire 410 is electrified and contracted, the memory alloy wire 410 pulls the link 420 to rotate, and at the same time, the elastic bending surface 432 is bent, so that the link 420 can rotate around the elastic member 430. When the force of the memory alloy wire 410 is removed, the elastic member 430 can be restored by the force of the elastic bending surface 432.

In some embodiments of the present application, for example, as shown in fig. 2, the lens module further includes a flexible circuit board 600, the flexible circuit board 600 is disposed around the side of the lens assembly 100, and the flexible circuit board 600 is used for connecting the image sensor 200 and a motherboard of the image capturing device. By disposing the flexible circuit board 600 around the side of the lens assembly 100, space can be reduced; and, the flexible circuit board 600 connects the image sensor 200 and the main board of the image pickup apparatus, the image sensor 200 receives the image signal transmitted by the lens assembly 100 and converts the image signal into an electrical signal, and the flexible circuit board 600 transmits the electrical signal to the main board of the image pickup apparatus, so that the image collected by the lens assembly 100 can be displayed on the screen of the image pickup apparatus.

Referring to fig. 7 to 10, in some embodiments of the present application, the flexible circuit board 600 includes a first flexible circuit board 600a and a second flexible circuit board 600 b; two opposite side surfaces of the image sensor 200 are respectively provided with a first connection port 210 and a second connection port 220, and four side surfaces of the image sensor 200 and four side surfaces of the lens assembly 100 are parallel to each other one by one; a third connection port 530 is arranged on the mounting plate 500, and the third connection port 530 is electrically connected with the driving assembly, so that power supply and control of each memory alloy wire 410 in the driving assembly can be realized through the third connection port 530; a fourth connection port 110 is arranged on the lens assembly 100, and the fourth connection port 110 is electrically connected with a focusing module inside the lens assembly 100, so that power supply and control over the focusing module can be realized through the fourth connection port 110; the third connection port 530 and the fourth connection port 110 respectively correspond to the other two opposite side surfaces of the image sensor 200, the first flexible circuit board 600a is connected to the first connection port 210 and the third connection port 530, and the second flexible circuit board 600b is connected to the second connection port 220 and the fourth connection port 110. Therefore, through the first flexible circuit board 600a and the first connection port 210 and the third connection port 530, one side of the image sensor 200 and the driving component can be electrically connected to the main board of the image pickup apparatus at the same time; the other side of the image sensor 200 and the focusing module are electrically connected with the main board of the camera device through the second flexible circuit board 600b, the second connection port 220 and the fourth connection port 110; therefore, the first flexible circuit board 600a and the second flexible circuit board 600b can be used for supplying power and controlling the image sensor 200, the driving assembly and the focusing module which need to be electrified and controlled in the lens module; moreover, since the third connection port 530 is fixed relative to the mounting plate 500 and the first connection port 210 is movable relative to the mounting plate 500, the influence on the normal movement of the image sensor 200 driven by the driving assembly can be avoided by the flexibility of the first flexible circuit board 600 a; similarly, since the fourth connection port 110 is fixed relative to the mounting plate 500 and the second connection port 220 is movable relative to the mounting plate 500, the influence on the normal movement of the image sensor 200 driven by the driving assembly can be avoided by the flexibility of the second flexible circuit board 600 b.

Referring to fig. 7 and 8, further, in one embodiment, the first flexible circuit board 600a includes a first body and a first connection portion 670, the first body is disposed around two adjacent sides of the lens assembly 100, the first body connects the first connection port 210 and the third connection port 530, and the first connection portion 670 is disposed on one side of the first body for connecting the third connection port 530.

Specifically, the first body includes a first face portion 610 and a second face portion 620, the first face portion 610 and the second face portion 620 correspond to different sides of the lens assembly 100, respectively, wherein a bottom of the first face portion 610 is provided with a connection structure for connecting the first connection port 210, the second face portion 620 is provided with a connection structure for connecting the third connection port 530, and the first connection portion 670 is provided at a bottom of the second face portion 620; since the first body is disposed along two adjacent surfaces of the lens assembly 100, and the first body connects the first connection port 210 and the third connection port 530 through different surfaces, respectively, wherein the surface (i.e., the second surface portion 620) connected to the third connection port 530 is connected to the third connection port 530 at a fixed position of the first body, and the surface (i.e., the first surface portion 610) connected to the first connection port 210 is connected to the first connection port 210 at a movable end of the first body, the first surface portion 610 and the second surface portion 620 can swing relative to each other by a folding line between the first surface portion 610 and the second surface portion 620, so that the flexibility of the first flexible circuit board 600a can be improved, and the first flexible circuit board 600a is further prevented from influencing the movement of the image sensor 200.

Referring to fig. 7 and 8, in this embodiment, the second flexible circuit board 600b also includes a second body and a second connecting portion 680, the second body is disposed around the other two adjacent side surfaces of the lens assembly 100, the second body connects the second connecting port 220 and the fourth connecting port 110, and the second connecting portion 680 is disposed on a surface of the second body for connecting the fourth connecting port 110; the first connection portion 670 and the second connection portion 680 are used to connect a main board of the image pickup apparatus.

Specifically, the second body includes a fifth surface 650 and a sixth surface 660, the fifth surface 650 and the sixth surface 660 respectively correspond to different sides of the lens assembly 100, wherein a bottom of the fifth surface 650 is provided with a connection structure for connecting the second connection port 220, the sixth surface 660 is provided with a connection structure for connecting the fourth connection port 110, and the second connection part 680 is provided at a bottom of the sixth surface 660; similarly, the flexibility of the second flexible circuit board 600b can be also improved by the folding line between the fifth face 650 and the sixth face 660.

Referring to fig. 9 and 10, in order to enable the first connection portion 670 and the second connection portion 680 to be disposed on the same side, in some other embodiments, the first flexible circuit board 600a includes a first body and the first connection portion 670, the first body is disposed around two adjacent sides of the lens assembly 100, the first body connects the first connection port 210 and the third connection port 530, and the first connection portion 670 is disposed on one side of the first body for connecting the third connection port 530; the second flexible circuit board 600b includes a second body and a second connecting portion 680, the second body is disposed around four side surfaces of the lens assembly 100, the second body is connected to the second connecting port 220 and the fourth connecting port 110, and the second connecting portion 680 is disposed on a surface of the second body corresponding to the third connecting port 530; the first connection portion 670 and the second connection portion 680 are used to connect a main board of the image pickup apparatus.

In this embodiment, specifically, the structure of the first flexible circuit board 600a is the same as that of the previous embodiment, except that in the second flexible circuit board 600b, the second body includes 4 faces, namely a third face 630, a fourth face 640, a fifth face 650 and a sixth face 660, wherein the fourth face 640 corresponds to the first face 610 on the same side of the lens assembly 100, the third face 630 and the second face 620 correspond to the other same side of the lens assembly 100, and the fifth face 650 and the sixth face 660 correspond to the other two adjacent sides of the lens assembly 100; similarly, in which the bottom of the fifth face 650 is provided with a connection structure for connecting the second connection port 220, and the sixth face 660 is provided with a connection structure for connecting the fourth connection port 110, the flexibility of the second flexible circuit board 600b can be improved by means of a folding line between the fifth face 650 and the sixth face 660; the second connecting portion 680 is disposed at the bottom of the third surface 630, so that the first connecting portion 670 and the second connecting portion 680 can be located at the same side of the lens assembly 100 and even the lens module, thereby facilitating electrical connection between the lens module and the main board of the image capturing apparatus.

In some embodiments of the present application, the side edge of the movable plate 300 is bent to form an attaching surface 320, the attaching surface 320 is attached to the outer sidewall of the image sensor 200, and the bottom of the flexible circuit board 600 is fixedly connected to the attaching surface 320.

For example, as shown in fig. 3, the side edge of the movable plate 300 is bent to form an attaching surface 320, the attaching surface 320 is attached to the outer sidewall of the image sensor 200, and both opposite side surfaces of the movable plate 300 are provided with the attaching surfaces 320, and the image sensor 200 is sandwiched between the two attaching surfaces 320, so that the connection between the movable plate 300 and the image sensor 200 is more stable.

Referring to fig. 2 and 3, the bottom of the flexible circuit board 600 is fixedly connected to the attaching surface 320, the bottom is connected to the first connection port 210 and the second connection port 220 of the image sensor 200, and the attaching surface 320 is disposed on the side surface of the movable plate 300, so that the flexible circuit board 600 can be mounted more stably.

Further, the lens module is further provided with a housing 700, for example, as shown in fig. 1, the housing 600 encloses the lens assembly 100, the image sensor 200, the movable plate 300, the driving assembly, and the like, and plays a role of protection.

Furthermore, in some embodiments, one side of the first connecting portion 670 and one side of the second connecting portion 680 penetrate through the outer side of the casing 600, so as to facilitate the electrical connection between the lens module and the main board of the image capturing apparatus.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A lens module, comprising:

a lens assembly;

the image sensor is positioned at the bottom of the lens assembly and is used for receiving image signals transmitted by the lens assembly;

the movable plate is connected with the image sensor and is used for driving the image sensor to move;

the driving assembly comprises a memory alloy wire, a connecting rod and an elastic piece, wherein one end of the elastic piece is fixedly arranged, and the other end of the elastic piece is connected with one end of the connecting rod; one end of the memory alloy wire is fixedly arranged, and the other end of the memory alloy wire is connected with the other end of the connecting rod; one end of the connecting rod, which is connected with the memory alloy wire, is provided with a butting part, and the butting part is butted with the movable plate; the driving assembly is electrified and contracted through the memory alloy wire to drive the connecting rod to rotate around the elastic piece, so that the abutting part drives the movable plate to move.

2. The lens module as claimed in claim 1, wherein the side of the movable plate is provided with a bending portion, and the abutting portion of the connecting rod abuts against the bending portion.

3. The lens module as claimed in claim 2, wherein the driving elements are provided in four sets, and the movable plate is provided with the bending portions at four sides thereof, each of the bending portions abutting against one of the connecting rods of one set of the driving elements.

4. The lens module as claimed in claim 3, wherein four of the bent portions are respectively disposed at two diagonal corners of the movable plate, and two of the bent portions are disposed at both of the two diagonal corners.

5. The lens module as claimed in claim 1, further comprising a mounting plate disposed at the bottom of the lens assembly and connected to the lens assembly, wherein the driving assembly is disposed at the bottom of the mounting plate; elastic component one end with mounting panel fixed connection, the other end with the one end of connecting rod is connected, memory alloy wire one end with mounting panel fixed connection, the other end with the other end of connecting rod is connected.

6. The lens module as claimed in claim 5, wherein the bottom surface of the mounting plate is provided with a flat bearing, the top surface of the movable plate abuts against the mounting plate through the flat bearing, and the driving assembly is disposed between the mounting plate and the movable plate.

7. The lens module as claimed in claim 6, wherein the mounting plate has a magnet disposed thereon, the movable plate is made of a soft magnetic material, and the mounting plate and the movable plate are magnetically abutted against each other.

8. The lens module as claimed in claim 1, wherein the elastic member includes a fixing surface, an elastic bending surface and a connecting surface, the fixing surface is fixedly disposed, the connecting surface is attached to one end of the connecting rod, the elastic bending surface connects the fixing surface and the connecting surface, and the elastic bending surface is disposed toward the memory alloy wire.

9. The lens module as claimed in claim 5, further comprising a flexible circuit board, wherein the flexible circuit board is disposed around the lens assembly along a side direction of the lens assembly, and the flexible circuit board is used for connecting the image sensor and a main board of the image capturing device.

10. The lens module as claimed in claim 9, wherein the flexible circuit board includes a first flexible circuit board and a second flexible circuit board, two opposite side surfaces of the image sensor are respectively provided with a first connection port and a second connection port, the mounting plate is provided with a third connection port, the third connection port is electrically connected to the driving assembly, the lens assembly is provided with a fourth connection port, the fourth connection port is electrically connected to the focusing module inside the lens assembly, the third connection port and the fourth connection port respectively correspond to the other two opposite side surfaces of the image sensor, the first flexible circuit board is connected to the first connection port and the third connection port, and the second flexible circuit board is connected to the second connection port and the fourth connection port.

11. The lens module as claimed in claim 10, wherein the first flexible circuit board includes a first body and a first connecting portion, the first body is disposed around two adjacent sides of the lens assembly, the first body connects the first connecting port and the third connecting port, and the first connecting portion is disposed on a surface of the first body for connecting the third connecting port; the second flexible circuit board comprises a second body and a second connecting part, the second body is arranged in a surrounding mode along the direction of the other two adjacent side faces of the lens assembly, the second body is connected with the second connecting port and the fourth connecting port, and the second connecting part is arranged on one face, used for being connected with the fourth connecting port, of the second body; the first connecting part and the second connecting part are used for connecting a main board of the camera equipment.

12. The lens module as claimed in claim 10, wherein the first flexible circuit board includes a first body and a first connecting portion, the first body is disposed around two adjacent sides of the lens assembly, the first body connects the first connecting port and the third connecting port, and the first connecting portion is disposed on a surface of the first body for connecting the third connecting port; the second flexible circuit board comprises a second body and a second connecting part, the second body is arranged in a surrounding mode along the direction of four side faces of the lens assembly, the second body is connected with the second connecting port and the fourth connecting port, and the second connecting part is arranged on one face, corresponding to the third connecting port, of the second body; the first connecting part and the second connecting part are used for connecting a main board of the camera equipment.

13. The lens module as claimed in claim 9, wherein the side of the movable plate is bent to form an engaging surface, the engaging surface engages with an outer sidewall of the image sensor, and a bottom of the flexible circuit board is fixedly connected to the engaging surface.