CN113067967A

CN113067967A - Lens module and electronic equipment

Info

Publication number: CN113067967A
Application number: CN202110243385.4A
Authority: CN
Inventors: 丁文超; 杨泽; 熊玲
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-07-02

Abstract

The application discloses camera lens module and electronic equipment, camera lens module includes: the bracket is internally provided with an installation cavity; the guide piece is arranged on the bracket; the lens assembly is arranged in the mounting cavity and is connected with the guide piece; the flexible circuit board is connected with the bracket; the sensing piece is arranged on the flexible circuit board; the coil is arranged on the flexible circuit board; the magnetic part is fixedly connected with the lens component, and under the condition that the coil is electrified, the magnetic part is driven, so that the lens component is driven to move along the extending direction of the guide part. This application sets up the magnetic part through setting up coil and response on flexible circuit board on the camera lens subassembly, through the electromagnetic force that produces between coil and the magnetic part, drives the camera lens subassembly and moves about on the guide, and the stroke that the increase camera motor removed guarantees the accurate location to the camera motor removal, realizes zooming in succession of camera lens, satisfies the demand that the user shot clear long-range view, promotes to shoot and experiences.

Description

Lens module and electronic equipment

Technical Field

The application belongs to the technical field of electronic products, and particularly relates to a lens module and electronic equipment with the same.

Background

At present, although a conventional camera motor can meet basic photographing requirements, the conventional camera motor is limited by a self structure, and the stroke of the conventional camera motor is insufficient, so that a shot scene is not clear in details, and the use experience of a user is reduced.

Disclosure of Invention

The embodiment of the application aims to provide a lens module and electronic equipment, and the problem that in the prior art, a camera motor cannot clearly shoot details when a distant scene is shot due to insufficient stroke can be solved.

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

the embodiment of the application provides a lens module, include: the device comprises a bracket, wherein a mounting cavity is arranged in the bracket; the guide piece is arranged on the bracket; the lens assembly is arranged in the mounting cavity, is connected with the guide and can move along the extending direction of the guide; the flexible circuit board is connected with the bracket; the sensing piece is arranged on the flexible circuit board and used for sensing the position of the lens assembly; the coil is arranged on the flexible circuit board; the magnetic part is fixedly connected with the lens component, and under the condition that the coil is electrified, the magnetic part is driven, so that the lens component is driven to move along the extending direction of the guide part.

In this application embodiment, through set up coil and response on flexible circuit board, set up the magnetic part on the camera lens subassembly, when the coil circular telegram, can produce interact's electromagnetic force between coil and the magnetic part, thereby drive the camera lens subassembly and move about on the guide in the support, when effectively increasing the stroke that the camera motor removed, can guarantee the accurate location to the camera motor removal, realize zooming in succession of camera lens, satisfy the demand that the user shot clear long-range view, promote the user and shoot and experience.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention 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 an exploded view of a lens module according to an embodiment of the present invention;

FIG. 2 is a schematic view of a lens module according to an embodiment of the invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a driving diagram of a lens module according to an embodiment of the invention;

fig. 6 is another driving diagram of the lens module according to the embodiment of the invention.

Reference numerals:

a lens module 100;

a support 10; a base plate 11; a side frame 12; a card slot 121; lightening holes 122; a mounting cavity 13;

a guide member 20;

a lens assembly 30; a carrier 31; an accommodation groove 311; a mounting groove 312; a lens 32; a chute 313;

a flexible circuit board 40; a circuit substrate 41; a line side plate 42;

a sensing member 50; a first sensing member 50 a; a second sensing piece 50 b; a third sensing piece 50 c; a fourth sensing member 50 d;

a coil 60; the first coil 60 a; the second coil 60 b; a third coil 60 c; a fourth coil 60 d;

a magnetic member 70; a first magnetic member 70 a; a second magnetic member 70 b; a third magnetic member 70 c;

a yoke 80; a wire chase 81;

a housing 90; and a through hole 91.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. 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 features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The lens module 100 provided in the embodiments of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

As shown in fig. 1 to 6, a lens module 100 according to an embodiment of the present invention includes a bracket 10, a guide 20, a lens module 100, a flexible circuit board 40, an induction member 50, a coil 60, and a magnetic member 70.

Specifically, the mount 10 is provided with the mount cavity 13 therein, and the guide 20 is provided in the mount 10. The lens assembly 30 is disposed in the mounting cavity 13, and the lens assembly 30 is connected to the guide 20 and is movable along the extending direction of the guide 20. The flexible circuit board 40 is connected to the bracket 10, the sensing member 50 is disposed on the flexible circuit board 40, and the sensing member 50 is used for sensing the position of the lens assembly 30. The coil 60 is provided on the flexible circuit board 40. The magnetic member 70 is fixedly connected to the lens assembly 30, and when the coil 60 is powered on, the magnetic member 70 is driven, so as to drive the lens assembly 30 to move along the extending direction of the guide member 20.

In other words, referring to fig. 1, 3 and 4, the lens module 100 according to the embodiment of the present invention is mainly composed of a bracket 10, a guide 20, a lens module 100, a flexible circuit board 40, an induction member 50, a coil 60 and a magnetic member 70. The holder 10, the guide 20, the flexible circuit board 40, the induction member 50, the coil 60, the magnetic member 70, and the like may be main constituent parts of the camera motor. Wherein, a mounting cavity 13 is arranged in the bracket 10, the guide 20 can be detachably connected with the bracket 10, and the bracket 10 can provide support for the guide 20, the lens assembly 30, and the like. The lens assembly 30 is disposed in the mounting cavity 13, the lens assembly 30 is connected to the guide 20, and the lens assembly 30 is movable in an extending direction of the guide 20, and a focal length of the lens assembly 30 can be changed by moving the lens assembly 30 on the guide 20. When a user shoots a distant view, clear details of the scene can be shot, and the effect of shooting the clear distant view is achieved.

The flexible circuit board 40 is connected to the support 10, and the flexible circuit board 40 can supply power to the coil 60 and the induction member 50. The sensing member 50 may be disposed on the flexible circuit board 40. The sensing member 50 may be used to sense the position of the lens assembly 30. The coil 60 is disposed on the flexible circuit board 40, and the coil 60 may correspond to the position of the induction member 50. The magnetic member 70 may be fixedly connected to the lens assembly 30, and the sensing member 50 may sense a position of the magnetic member 70, so as to obtain a position of the camera motor by sensing the position of the magnetic member 70, thereby achieving accurate positioning of movement of the camera motor. With the coil 60 energized, the coil 60 is energized in a magnetic field to generate an electromagnetic effect, such that an interacting electromagnetic force is formed between the coil 60 and the magnetic member 70. Under the effect of electromagnetic force, the driving lens assembly 30 moves along the extending direction of the guide piece 20, the moving stroke of the camera motor is increased, the continuous zooming of the multi-focus section of the lens assembly 30 is realized, the requirement of a user for shooting a clear long shot is met, and the user shooting experience is improved.

It should be noted that the lens module 100 of the present invention can be applied to the fields of mobile phones, tablet computers, automobiles, unmanned aerial vehicles, etc., so that the electronic product capable of taking pictures can be used as a portable single lens reflex camera for practical use, and the shooting effect can be comparable to that of the single lens reflex camera. In the lens module 100, an electromagnetic force is generated between the coil 60 of the camera motor and the magnetic member 70, so that the camera motor is a magnetic suspension motor. Of course, the moving manner of the lens module 100 of the present invention is not limited to the driving manner by electromagnetic force in the present application, and other driving manners or sliding manners capable of driving the lens assembly 30 to move should fall within the scope of the present application.

Therefore, according to the lens module 100 of the embodiment of the present invention, the coil 60 and the induction element 50 are arranged on the flexible circuit board 40, and the magnetic element 70 is arranged on the lens assembly 30, when the coil 60 is powered on, an electromagnetic force of interaction can be generated between the coil 60 and the magnetic element 70, so as to drive the lens assembly 30 to move on the guide 20 in the bracket 10, thereby effectively increasing the moving stroke of the camera motor, simultaneously ensuring accurate positioning of the movement of the camera motor, realizing continuous zooming of the lens 32, meeting the requirement of the user for taking a clear long-shot view, and improving the photographing experience of the user.

According to one embodiment of the present invention, the stand 10 includes a bottom plate 11 and two side frames 12.

Specifically, the bottom plate 11 is adjacent to the lens assembly 30. Two side frames 12 are arranged on the bottom plate 11, the two side frames 12 and the bottom plate 11 cooperate to define a mounting cavity 13, and the guide member 20 is connected with the side frames 12 and arranged in parallel with the side frames 12.

That is, as shown in fig. 1, the stand 10 is mainly composed of a bottom plate 11 and two side frames 12. The lens assembly 30 is located above the bottom plate 11, and the lens assembly 30 is close to the bottom plate 11 and spaced apart from the bottom plate 11. Two side frames 12 may be disposed on a first side of the base plate 11, and the two side frames 12 and the base plate 11 may form a square-shaped bracket 10, with an upper side and one opposite side of the bracket 10 being open. The two side frames 12 and the bottom plate 11 may cooperate to define a mounting cavity 13, and the lens assembly 30 is disposed in the mounting cavity 13. Guide 20 sets up on side frame 12, guide 20 and side frame 12 parallel arrangement, and guide 20 is located the top of bottom plate 11 roughly, lens subassembly 30 and guide 20 swing joint, through the extending direction activity of lens subassembly 30 along guide 20, can realize lens subassembly 30's continuous function of zooming, guarantee that the user can both take clear photo when long shot and short shot, improve and shoot the quality, reduce the camera cost, promote the user experience of shooing.

In some embodiments of the present invention, the number of the guide members 20 is two, two guide members 20 are parallel to each other, one guide member 20 is correspondingly connected to one side frame 12, and the lens assembly 30 is connected to two guide members 20. The guide 20 has a bar shape, both ends of the guide 20 are coupled to the side frames 12, and the lens assembly 30 is provided with a slide groove 313 corresponding to the structure of the guide 20.

In other words, as shown in fig. 1, two guide members 20 may be used, and the two guide members 20 are disposed in parallel with each other in the bracket 10. And each guide member 20 may be connected to one of the side frames 12 in a one-to-one correspondence. The lens assembly 30 is movably connected to the two guides 20. By providing two guides 20 in the holder 10, the stability of the movement of the lens assembly 30 in the holder 10 can be effectively improved. Optionally, the guide 20 may be substantially processed into a rod shape, two ends of the guide 20 are connected to the side frames 12, two opposite clamping grooves 121 are formed in each side frame 12 in the length direction of the side frame, and two ends of each guide 20 are respectively clamped with the two clamping grooves 121 on the corresponding side frame 12, so that the assembly efficiency of the guide 20 and the bracket 10 is effectively improved. The lens assembly 30 is provided with a slide groove 313 corresponding to the structure of each guide 20, and the lens assembly 30 is disposed on the guide 20 through the slide groove 313, and the slide groove 313 is slidable in the extending direction of the guide 20.

In the present application, the material of the guide 20 may be formed by a material with a smaller friction coefficient, so as to reduce the moving resistance of the lens assembly 30 on the guide 20, and enable the lens assembly 30 to move on the guide 20 when a smaller electromagnetic force exists between the coil 60 and the magnetic member 70. Of course, it should be understood by those skilled in the art that the specific number and shape of the guiding elements 20 and the processing material of the guiding elements 20 can be specifically set according to actual needs, and will not be described in detail in this application.

According to an embodiment of the present invention, the flexible circuit board 40 corresponds to the shape of the support 10, and the flexible circuit board 40 includes a circuit substrate 41 and two circuit side plates 42.

Specifically, the circuit board 41 is disposed on the bottom plate 11 and between the guide 20 and the bottom plate 11. The two circuit side plates 42 are spaced apart from each other and disposed on the circuit substrate 41, each circuit side plate 42 corresponds to a position of one of the side frames 12, and the sensing element 50 and the coil 60 are disposed on the circuit side plates 42.

In other words, as shown in fig. 1, the flexible circuit board 40 may be shaped to correspond to the shape of the bracket 10, facilitating the flexible circuit board 40 to be disposed within the mounting cavity 13 of the bracket 10. The flexible circuit board 40 is mainly composed of a wiring substrate 41 and two wiring side plates 42. Wherein the wiring substrate 41 is disposed on the bottom plate 11, and the wiring substrate 41 is located substantially between the guide 20 and the bottom plate 11. The two circuit side plates 42 are spaced apart from each other on opposite sides of the circuit substrate 41 to ensure that the cross-section of the flexible circuit board 40 is substantially in the shape of a v 21274with an upward opening. Each of the line side plates 42 corresponds to a position of one of the side frames 12, and the induction member 50 and the coil 60 are disposed on the line side plates 42.

In some embodiments of the present invention, each of the side plates 42 has an inductive element 50 and a coil 60, the inductive elements 50 on the two side plates 42 are symmetrically distributed, the coils 60 on the two side plates 42 are symmetrically distributed, and each of the side frames 12 has a weight-reducing hole 122 corresponding to the position of the inductive element 50 and the coil 60.

That is, referring to fig. 1, 3 and 4, each of the circuit side plates 42 may be respectively provided with an inductive element 50 and a coil 60, the coil 60 may be wound in a ring shape, and the inductive element 50 may be located in the ring-shaped coil 60. The inductive elements 50 on the two side circuit boards 42 may be symmetrically distributed, and the coils 60 on the two side circuit boards 42 may be symmetrically distributed. Each side frame 12 is provided with a lightening hole 122 corresponding to the positions of the induction element 50 and the coil 60, and the lightening holes 122 are arranged on each side frame 12, so that the overall weight of the lens module 100 can be effectively reduced, and the purpose of reducing weight is achieved.

According to an embodiment of the present invention, the lightening hole 122 is an elongated hole extending in a length direction of the guide member 20, the induction member 50 and the coil 60 are respectively plural, and the plurality of induction members 50 and the coil 60 are arranged at intervals in the length direction of the guide member 20.

In other words, as shown in fig. 1, the lightening holes 122 may be configured as long holes or square holes, and the lightening holes 122 on each side frame 12 extend substantially along the length direction of the guide 20, so as to achieve the purpose of lightening the lens module 100. The induction member 50 and the coil 60 are respectively plural, and the plural induction members 50 and coils 60 may be arranged at intervals along the length direction of the guide member 20. In this application, the induction elements 50 and the coils 60 may be respectively provided in four sets, wherein two induction elements 50 or two coils 60 oppositely provided on each side frame 12 may be one set. By providing four sets of sensing elements 50, accurate positioning of the camera motor during movement can be ensured. The four groups of coils 60 can be closely arranged, so that the continuity of the thrust (electromagnetic force) of the camera motor is effectively ensured, the continuous zooming of the multi-focal-length lens assembly 30 is realized, the requirement of a user for shooting a clear long shot is met, and the user shooting experience is improved.

In some embodiments of the present invention, the lens assembly 30 includes a carrier 31 and a lens 32.

Specifically, the carrier 31 is connected to the guide 20 and is movable along the extending direction of the guide 20, an accommodating groove 311 is formed in the carrier 31, an installation groove 312 is formed on the outer side of the carrier 31, and the magnetic member 70 is arranged in the installation groove 312. The lens 32 is disposed in the accommodating groove 311.

That is, referring to fig. 1, 3 and 4, the lens assembly 30 is mainly composed of a carrier 31 and a lens 32. Wherein the carrier 31 is connected with the guide 20, the lower surface of the carrier 31 is provided with a slide groove 313, the carrier 31 is arranged on the guide 20 through the slide groove 313, and the carrier 31 can move along the extending direction of the guide 20. The guide 20 may provide directional support for the sliding of the carrier 31. An accommodating groove 311 is formed in the carrier 31, an installation groove 312 is formed on the outer side of the carrier 31, and the magnetic member 70 is disposed on the installation groove 312. The lens 32 is disposed on the receiving groove 311, and the carrier 31 can serve as a load for the lens 32, thereby ensuring the movement of the lens 32. The lens 32 has a light collecting and imaging function and is an indispensable part for optical imaging. The lens 32 on the carrier 31 can be pushed to slide on the guide 20 by the electromagnetic force generated between the magnetic member 70 and the coil 60, so that the continuous zooming of the lens 32 is realized.

In this application, magnetism spare 70 can adopt the magnetite, and the magnetite can provide magnetic field for the drive power of electromagnetic field, and the magnetite still can be for response 50 provides magnetic field simultaneously, and response 50 can adopt the response chip, and the magnetic field that provides through the magnetite can be convenient for respond to the chip feedback and listen the position of magnetite. A plurality of mounting grooves 312 are respectively formed on the outer sidewalls of the carrier 31 corresponding to the two side frames 12 of the bracket 10. Optionally, as shown in fig. 1, three mounting grooves 312 may be disposed on an outer side of the carrier 31 corresponding to the side frame 12, a magnetic member 70 is disposed in each mounting groove 312, magnetic poles of two adjacent magnetic members 70 may be the same or opposite, and currents in different directions are provided through the flexible circuit board 40, so that the carrier 31 can slide back and forth on the guide member 20, and it is ensured that the lens 32 can move intelligently according to the photographing needs of the user. Of course, the specific numbers of the magnetic elements 70, the induction elements 50 and the coils 60 can be specifically selected according to actual needs, and are not described in detail in this application.

According to an embodiment of the present invention, the lens module 100 further includes a yoke 80, the yoke 80 corresponds to the flexible circuit board 40 in shape, the opposite sides of the yoke 80 are respectively provided with a wire slot 81 corresponding to the coil 60, and the yoke 80 is attached to the flexible circuit board 40.

In other words, as shown in fig. 1, the lens module 100 further includes a yoke 80, the yoke 80 may be shaped as an Contraband-shaped body, and the flexible circuit board 40 may have a shape corresponding to the shape of the yoke 80. The yoke 80 is provided at opposite sides thereof with wire grooves 81 corresponding to the coils 60, respectively, and the wire grooves 81 are spaced apart on the yoke 80. The magnetic yoke 80 is attached to the flexible circuit board 40 and the bottom plate 11, and the magnetic yoke 80 is arranged on the outer wall surface of the flexible circuit board 40, so that the magnetism of the magnet on the lens module 100 is not exposed, the electromagnetic force formed between the coil 60 and the magnet is further enhanced, and the lens module 100 is ensured to have stronger thrust.

Of course, as shown in fig. 1, in the lens module 100 in this application, a housing 90 may be further provided, the mounting cavity 13 is provided in the housing 90, the support 10, the flexible circuit board 40, the lens assembly 30 and other components may be assembled and then set in the mounting cavity 13, the housing 90 may be set to be a square shell, the housing 90 is provided with a through hole 91 penetrating through the mounting cavity 13, and the lens 32 may extend into or out of the through hole 91, so as to realize a photographing function. The housing 90 can serve as an external fixing function of the assembled camera motor, and can limit the camera motor in multiple directions, so that the internal components of the camera motor can be protected.

In this application, when the lens module 100 is assembled, at first, can wrap up coil 60, induction member 50 and flexible circuit board 40(FPC) through yoke 80, reduce the magnetic leakage, then, can assemble it on support 10, yoke 80 sets up with the laminating of bottom plate 11 of support 10. Next, magnets are assembled to the carrier 31, the carrier 31 with the magnets assembled thereto is assembled to the guide 20, the combined body of the guide 20 and the carrier 31 is assembled to the holder 10, the combined body of the holder 10 is assembled to the housing 90 to form a camera motor, and finally the lens 32 is assembled to the receiving groove 311 of the carrier 31 (see fig. 1 to 4). The assembled camera motor generates an electromagnetic force by interaction between the coil 60 and the magnet through the current on the flexible circuit board 40, so as to drive the lens 32 to move, thereby realizing continuous zooming of the lens module 100.

In the present application, as shown in fig. 5, there may be 4 sensing elements 50 on one side of the lens module 100, which are a first sensing element 50a, a second sensing element 50b, a third sensing element 50c and a fourth sensing element 50 d. The coils 60 on one side of the lens module 100 may be provided with 4 coils, which are a first coil 60a, a second coil 60b, a third coil 60c, and a fourth coil 60d, respectively. One side of the carrier 31 is provided with three magnetic members 70, a first magnetic member 70a, a second magnetic member 70b, and a third magnetic member 70 c. The first, second, third and

fourth sensing elements

50a, 50b, 50c and 50d can respectively detect the positions of the first, second and third

magnetic elements

70a, 70b and 70c, so as to obtain the current position of the camera motor and the current directions of the first, second and

third coils

60a, 60b and 60 c.

When the system obtains the distance that the camera motor needs to move during photographing or photography, and moves to the position shown in fig. 6, the first sensing element 50a and the second sensing element 50b detect the positions of the first magnetic element 70a, the second magnetic element 70b and the third magnetic element 70c (the magnetic poles of the adjacent magnetic elements 70 are different), so that the current directions of the first coil 60a, the second coil 60b and the third coil 60c are switched, and the continuity of the thrust (electromagnetic force) is ensured. When the motor needs to move forward, the second sensing element 50b and the third sensing element 50c detect the positions of the first magnetic element 70a, the second magnetic element 70b and the third magnetic element 70c, and when the first magnetic element 70a, the second magnetic element 70b and the third magnetic element 70c move to the positions of the second sensing element 50b and the third sensing element 50c, the directions of the currents of the first coil 60a, the second coil 60b, the third coil 60c and the fourth coil 60d are switched, so that the thrust of the camera motor can always push the combination of the lens 32, the magnet and the carrier 31 to move continuously, and the continuous zooming of the lens module 100 is realized.

In summary, according to the lens module 100 of the embodiment of the present invention, the coil 60 and the induction element 50 are disposed on the flexible circuit board 40, and the magnetic element 70 is disposed on the lens assembly 30, when the coil 60 is powered on, an electromagnetic force can be generated between the coil 60 and the magnetic element 70, so as to drive the lens assembly 30 to move on the guide 20 in the bracket 10, thereby effectively increasing the moving stroke of the camera motor, ensuring accurate positioning of the movement of the camera motor, realizing continuous zooming of the lens 32, satisfying the requirement of the user for taking a clear long-shot view, and improving the photographing experience of the user.

The present invention further provides an electronic device, which includes the lens module 100 in the above embodiment. The electronic equipment can be a mobile phone, a computer or other electronic products with the camera shooting function. Since the lens module 100 according to the embodiment of the present invention has the above technical effects, the electronic device according to the embodiment of the present invention should also have corresponding technical effects, that is, the electronic device according to the present invention can effectively increase the moving stroke of the camera motor by using the lens module 100, and at the same time, can ensure accurate positioning of the movement of the camera motor, thereby realizing continuous zooming of the lens 32, satisfying the requirement of the user for shooting a clear long-distance view, and improving the shooting experience of the user.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention. 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 invention 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 invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lens module, comprising:

the device comprises a bracket, wherein a mounting cavity is arranged in the bracket;

the guide piece is arranged on the bracket;

the lens assembly is arranged in the mounting cavity, is connected with the guide and can move along the extending direction of the guide;

the flexible circuit board is connected with the bracket;

the sensing piece is arranged on the flexible circuit board and used for sensing the position of the lens assembly;

the coil is arranged on the flexible circuit board;

the magnetic part is fixedly connected with the lens component, and under the condition that the coil is electrified, the magnetic part is driven, so that the lens component is driven to move along the extending direction of the guide part.

2. The lens module as claimed in claim 1, wherein the holder comprises:

a bottom plate proximate to the lens assembly;

the two side frames are arranged on the bottom plate, the side frames are matched with the bottom plate to define the installation cavity, and the guide piece is connected with the side frames and arranged in parallel with the side frames.

3. The lens module as recited in claim 2, wherein the number of the guide members is two, two of the guide members are parallel to each other, and one of the guide members is connected to one of the side frames in a one-to-one correspondence, and the lens assembly is connected to both of the guide members.

4. The lens module as claimed in claim 2, wherein the guide member is rod-shaped, both ends of the guide member are connected to the side frames, and the lens assembly is provided with a sliding groove corresponding to the structure of the guide member.

5. The lens module as claimed in claim 2, wherein the flexible circuit board corresponds to the shape of the holder, the flexible circuit board comprising:

the circuit substrate is arranged on the bottom plate and is positioned between the guide piece and the bottom plate;

the two circuit side plates are arranged on the circuit substrate at intervals, each circuit side plate corresponds to one side frame in position, and the induction piece and the coil are arranged on the circuit side plates.

6. The lens module as claimed in claim 5, wherein each of the circuit side plates has the sensing element and the coil disposed thereon, the sensing elements on the two circuit side plates are symmetrically disposed, the coils on the two circuit side plates are symmetrically disposed, and each of the side frames has a weight-reducing hole corresponding to the positions of the sensing element and the coils.

7. The lens module as claimed in claim 6, wherein the lightening hole is an elongated hole extending along a length direction of the guide member, the induction member and the coil are respectively plural, and the plurality of induction members and the coil are arranged at intervals along the length direction of the guide member.

8. The lens module as recited in claim 5, wherein the lens assembly comprises:

the carrier is connected with the guide piece and can move along the extending direction of the guide piece, an accommodating groove is formed in the carrier, an installation groove is formed in the outer side of the carrier, and the magnetic piece is arranged in the installation groove;

the camera lens, the camera lens is located the holding tank.

9. The lens module as claimed in claim 5, further comprising: the magnetic yoke corresponds to the flexible circuit board in shape, wire grooves corresponding to the coils are respectively formed in two opposite sides of the magnetic yoke, and the magnetic yoke is attached to the flexible circuit board.

10. An electronic device comprising the lens module according to any one of claims 1 to 9.