CN214591657U

CN214591657U - Camera module and electronic equipment

Info

Publication number: CN214591657U
Application number: CN202121137581.5U
Authority: CN
Inventors: 瞿佳佳; 杨泽
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-02
Anticipated expiration: 2031-05-25

Abstract

The application discloses a camera module and electronic equipment, and belongs to the technical field of consumer electronic equipment, wherein the camera module comprises a lens component, the lens component comprises a camera and a shell, one side of the shell is open, and the other side of the shell is provided with a mounting hole; the imaging assembly is arranged in the opening of the shell and comprises a carrier, an elastic sheet and a photosensitive chip, a light hole is formed in the carrier, the photosensitive chip is fixed on the carrier, the elastic sheet is connected with the inner wall of the shell and the carrier, and a coil is arranged on the outer peripheral side of the carrier; when the coil is in a power-on state, the carrier drives the photosensitive chip to move from an initial position to the lens component and compresses the elastic sheet; when the coil is in a power-off state, the elastic sheet drives the carrier and the photosensitive chip to move to the initial position.

Description

Camera module and electronic equipment

Technical Field

The application belongs to the field of consumer electronics, and particularly relates to a camera module and electronic equipment.

Background

Along with electronic equipment's development, electronic equipment's function is more and more, and wherein the function of making a video recording of shooing is one of the indispensable function of electronic equipment, and the user also more and more high to electronic equipment's formation of image effect requirement, so each electronic equipment manufacturer constantly carries out research and development to electronic equipment's the module of making a video recording to make electronic equipment can have better formation of image effect.

In order to realize better formation of image effect, be provided with the motor of focusing in many the modules of making a video recording, but along with the camera towards the development of big end high pixel, the volume and the weight crescent of camera, in order to guarantee the formation of image effect of the module of making a video recording, and the speed of focusing, the size of focusing the motor also can corresponding increase, lead to electronic equipment's the module volume of making a video recording and weight also more and more big, influence user's use and experience.

SUMMERY OF THE UTILITY MODEL

The purpose of the embodiment of the application is to provide a camera module and electronic equipment, can solve the increase of camera module volume weight, influence the user and use the problem of experiencing.

In a first aspect, an embodiment of the present application provides a camera module, including: the lens assembly comprises a camera and a shell, wherein one side of the shell is an opening, a mounting hole is formed in the shell at the side opposite to the opening, a magnet is arranged on the inner peripheral side of the shell, and the camera is fixed in the mounting hole; the imaging assembly is movably arranged in the opening of the shell and comprises a carrier, an elastic sheet and a photosensitive chip, a light transmitting hole is formed in the carrier, the photosensitive chip is fixed on one side, far away from the lens assembly, of the carrier, the photosensitive chip, the light transmitting hole and the camera are coaxially arranged, the elastic sheet is connected with the inner wall of the shell and the carrier, a coil is arranged on the outer peripheral side of the carrier, and the coil corresponds to the magnet in position; when the coil is in a power-on state, the carrier drives the photosensitive chip to move from an initial position to the lens component and compresses the elastic sheet; when the coil is in a power-off state, the elastic sheet drives the carrier and the photosensitive chip to move to the initial position.

In a second aspect, an embodiment of the present application provides an electronic device, where the camera module is disposed in the electronic device.

In this application embodiment, through being close to or keeping away from the camera lens subassembly at coil and magnet cooperation drive formation of image subassembly to realize making a video recording zooming of module, improved the formation of image effect, also realized reducing the volume and the weight of making a video recording the module simultaneously.

Drawings

FIG. 1 is an exploded view of a camera module according to an embodiment of the present disclosure;

FIG. 2 is a sectional view of a camera module in the embodiment of the present application;

fig. 3 is a schematic structural diagram of a camera module in the embodiment of the present application;

fig. 4 is one of the partial structural schematic diagrams of the camera module in the embodiment of the present application;

FIG. 5 is a second schematic view of a partial structure of a camera module according to an embodiment of the present application;

fig. 6 is a third schematic view of a part of the structure of the camera module in the embodiment of the present application.

Reference numerals

1. A lens assembly; 11 a magnet; 111. an induction magnet; 12. a camera; 13. a housing; 131. mounting holes; 132. a fixed part; 2. an imaging assembly; 21; a coil; 22. a carrier; 221. a winding post; 222. a wiring column; 23. a spring plate; 24. a photosensitive chip; 25. a first circuit board; 251. a Hall sensor; 26. a second circuit board; 27. an optical filter; 3. a reinforcing steel sheet.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

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

In a first aspect, an embodiment of the present application provides a camera module as shown in fig. 1 to 6, including:

the lens assembly 1 comprises a camera 12 and an outer shell 13, wherein one side of the outer shell 13 is open, a mounting hole 131 is formed in one side, opposite to the open side, of the outer shell 13, a magnet 11 is arranged on the inner peripheral side of the outer shell 13, the camera 12 is fixed in the mounting hole 131, the magnet 11 is arranged on the inner peripheral side of the lens assembly 1, and one side of the lens assembly 1 is open; the housing 13 is used for protecting the internal structure of the camera module, and the mounting hole 131 provides a mounting position for the camera 12. The lens assembly 1 is an imaging unit of a camera module, a scene to be shot enters the camera module through the lens assembly 1, and the magnet 11 arranged on the inner peripheral side of the shell 13 can form a magnetic field.

The imaging assembly 2 is movably arranged in the open port of the shell 13, the imaging assembly 2 comprises a carrier 22, a spring plate 23 and a photosensitive chip 24, a light hole is formed in the carrier 22, the photosensitive chip 24 is fixed on one side, far away from the lens assembly 1, of the carrier 22, the photosensitive chip 24, the light hole and the camera 12 are coaxially arranged, the spring plate 23 is connected with the inner wall of the shell 13 and the carrier 22, a coil 21 is arranged on the outer periphery of the imaging assembly 2, and the coil 21 corresponds to the magnet 11 in position; imaging assembly 2 activity sets up in lens subassembly 1, and is provided with coil 21 on imaging assembly 2, can produce certain lorentz force through the magnetic field that forms to coil 21 circular telegram cooperation magnet 11, and imaging assembly 2 can move in the uncovered of lens subassembly 1 under the effect of lorentz force. Specifically, in order to prevent the imaging assembly 2 from being separated from the housing 13, the housing 13 and the carrier 22 are connected by the elastic sheet 23, and the elastic sheet 23 can ensure the stability of the carrier 22 in the moving process. The photosensitive chip 24 is used for receiving the optical signal transmitted by the camera 12, converting the optical signal into an electrical signal, and transmitting the electrical signal to the processing system of the electronic device through the first circuit board 25 and the second circuit board 26. The focusing distance can be adjusted by changing the distance between the camera 12 and the photosensitive chip 24, and in the process of shooting, the positions of the camera 12 and the photosensitive chip 24 need to be continuously adjusted due to different distances of shot objects. Since the weight of the imaging module 2 is much smaller than that of the lens module 1, the adjustment of the position of the imaging module 2 can be achieved without providing an excessive number of coils 21 and magnets 11. The coil 21 is in an electrified state, the imaging assembly 2 can move relative to the lens assembly 1, and the distance between the photosensitive chip 24 and the camera 12 is controlled by changing the direction of current in the coil 21, so that the focusing function of the camera module is realized.

When the coil 21 is in a power-on state, the imaging component 2 moves in the lens component 1; since the poles of the magnet 11 are fixed, the direction of movement of the imaging assembly 2 can be controlled by controlling the direction of charge flow within the coil 21. When the coil 21 is charged with positive flowing charges, the imaging component 2 moves away from the lens component 1; when the coil 21 is charged with charges flowing in the opposite direction, the imaging unit 2 moves in a direction approaching the lens unit 1.

When the coil 21 is in the power-off state, the imaging assembly 2 is fixed in position in the lens assembly 1. After the shooting function of the electronic device is stopped, the coil 21 is in a power-off state, the lorentz force in the camera module disappears, and the position between the imaging assembly 2 and the lens assembly 1 does not change. According to different design ideas of different electronic products, after a user stops using the shooting function of the electronic equipment, the coil 21 can be kept in a power-on state, thrust is continuously provided for the imaging assembly 2, the imaging assembly 2 is enabled to return to the initial position, and the next user can use the imaging assembly conveniently.

Specifically, in order to make the camera module can realize better formation of image effect, so camera 12's of the camera module among the prior art pixel is higher and higher, and corresponding camera 12's weight and volume also can corresponding increase, need set up more coil 21 and magnet 11, just can promote camera 12 to realize focusing the function, but along with the increase of camera module weight and volume, can influence electronic equipment's overall arrangement greatly. In this embodiment, through with the fixed setting of lens subassembly 1, realize the function of focusing of the module of making a video recording through adjusting the less formation of image subassembly 2 of light volume of weight, need not to increase coil 21 and magnet 11 and can realize the function of focusing of the module of making a video recording, reduced the volume of the module of making a video recording, the inside overall arrangement of electronic equipment of being convenient for also can reduce electronic equipment's volume simultaneously, improves user's use and experiences.

Optionally, the side wall of the mounting hole 131 is bent and extended toward the imaging assembly 2 to form a fixing portion 132, the fixing portion 132 is clamped on the outer periphery of the camera 12, and the fixing portion 132 is hermetically connected to the camera 12. By covering the outer peripheral side of the camera 12 with the fixing portion 132, not only the connection strength between the housing 13 and the camera 12 can be enhanced, but also the fixing portion 132 and the outer peripheral side of the camera 12 are hermetically connected, thereby achieving the waterproof and dustproof effects. Electronic equipment service environment is comparatively complicated in daily use, if the dust gets into the subassembly of making a video recording in, influences the formation of image effect of the subassembly of making a video recording very easily, leads to the subassembly of making a video recording to damage even. Therefore, the fixing portion 132 and the camera 12 are hermetically connected to avoid dust from entering, so that the structural integrity of the camera module can be further protected.

Optionally, the imaging assembly 2 further includes a first circuit board 25 and a second circuit board 26, the photosensitive chip 24 is fixed on the first circuit board 25, the first circuit board 25 is electrically connected with the second circuit board 26, the second circuit board 26 is a flexible circuit board, and the second circuit board 26 is provided with the reinforcing steel sheet 3 at a side away from the first circuit board 25. The first circuit board 25 is used for connecting and fixing the photosensitive chip 24, thereby receiving the electrical signal transmitted by the photosensitive chip 24 and transmitting the signal into the second circuit board 26. In order to avoid the damage of the photosensitive chip 24 during the movement of the imaging assembly 2, the first circuit board 25 is preferably a PCB board, and the first circuit board 25 having a certain hardness and being not easily deformed can give the photosensitive chip 24 sufficient protection. Second circuit board 26 is used for communicating first circuit board 25 and electronic equipment's processing system, thereby make in the signal of telecommunication can transmit electronic equipment's processing system, in order to avoid focusing the in-process, second circuit board 26 fracture, so flexible circuit board is chooseed for use to second circuit board 26, along with carrier 22 drives sensitization chip 24 to keeping away from lens subassembly 1 one side displacement, second circuit board 26 produces certain deformation, the emergence of the condition such as fracture of avoiding that flexible circuit board can be fine, guarantee the normal use of the module of making a video recording. Reinforcing steel sheet 3 can play certain support and fixed effect to imaging component 2, and the module of making a video recording is overall structure's intensity is improved, also avoids the fracture that the excessive deformation of second circuit board 26 leads to simultaneously.

Optionally, a hollow structure is arranged on the second circuit board 26 near the periphery, and a rounded corner is arranged on the hollow structure. Hollow out construction cooperation radius angle structure on second circuit board 26 can further guarantee focusing the in-process, and second circuit board 26's structural strength avoids because multiple movement back, and second circuit board 26 condition such as fracture have prolonged the life of the module of making a video recording.

Optionally, the magnet 11 is provided with an induction magnet 111, and the first circuit board 25 is provided with a hall sensor 251, where the hall sensor 251 is configured to monitor a change in a magnetic field of the induction magnet 111. When a user uses the electronic device to shoot, the camera module needs to focus, at the moment, the hall sensor 251 is started, and the change of the magnetic field emitted by the induction magnet 111 can be monitored in real time according to the hall sensor 251. When the coil 21 is in the energized state, the lorentz force generated between the magnet 11 and the coil 21 pushes the position of the imaging assembly 2 to change, and at this time, the hall sensor 251 detects the change of the magnetic field emitted by the induction magnet 111, so as to judge the position of the photosensitive chip 24, and thus, the focusing work of the camera module is realized.

Optionally, a winding post 221 is disposed on an outer side surface of the carrier 22, and the coil 21 is wound on the winding post 221. The winding post 221 is used for fixing the coil 21, so as to prevent the coil 21 from falling off during the focusing process, or prevent the falling off of the coil 21 during the falling or collision of the electronic device during the daily use. The integrality of the camera module structure is guaranteed, and the camera module can accurately operate in a focusing function.

Optionally, the winding posts 221 are disposed on two opposite sides of the carrier 22, two sets of the coils 21 are respectively wound on the two opposite winding posts 221, the two magnets 11 are disposed on the inner wall of the housing 13, and the positions of the magnets 11 correspond to the positions of the coils 21. Two relative magnets 11 that set up and two sets of relative coils 21 that set up, when the module of making a video recording is focused, can produce the lorentz force in the relative both sides of formation of image subassembly 2 to control formation of image subassembly 2 and produce the displacement, not only guaranteed sufficient thrust, simultaneously, the lorentz force that produces in carrier 22 both sides can make the relatively stable removal of carrier 22, thereby guarantee at sensitization chip 24's stability, and the accuracy of focusing the process, thereby improve the formation of image effect.

Specifically, in the prior art, because the weight of the camera 12 is large, the magnet 11 is usually provided with four pieces, and four sets of coils 21 are correspondingly provided, but in this embodiment, the number of the magnets 11 and the coils 21 can be further reduced, the magnetic interference of the magnets 11 and the coils 21 to the camera module can be further reduced, and the imaging effect is improved. Simultaneously, along with the continuous increase of camera 12 volume, the volume of the module of making a video recording that also can further reduce by the quantity that reduces coil 21 and magnet 11 realizes making a video recording the miniaturization of module, and the overall arrangement of the subassembly of making a video recording in electronic equipment of being convenient for further reduces electronic equipment's volume.

Optionally, the housing 13 is rectangular, four corners of the housing 13 are concave to form four connecting portions, the number of the elastic pieces 23 is four, and the four elastic pieces 23 are respectively connected to the four connecting portions. Rectangular shell 13 carries out the overall arrangement in the electronic equipment of being convenient for, and simultaneously, the connection of shell 23 of being convenient for is connected to the connecting portion that the four corners indent of shell 13 formed, can increase shell 13's structural strength simultaneously to and increase carrier 22's pre-compaction space.

Optionally, the imaging assembly 2 further includes an optical filter 27, and the optical filter 27 is disposed between the lens assembly 1 and the photosensitive chip 24. The filter 27 can increase the incidence of visible light, reduce the incidence of non-visible light, and improve the imaging effect of the camera module.

Optionally, the optical filter 27 and the carrier 22 have a plurality of oblique angles, a wire-routing column 222 is disposed on the oblique angle of the carrier 22, and a part of the coil 21 is wound on the wire-routing column 222. By arranging a plurality of oblique angles on the optical filter 27 and the carrier 22, and corresponding positions of the oblique angles on the optical filter 27 and the carrier 22, the assembly of the optical filter 27 and the carrier 22 is facilitated, and the sharp angles of the optical filter 27 can be effectively prevented from being broken by impact. If the optical filter 27 is rectangular, in the process of falling or collision of the electronic device, the corners of the optical filter 27 are easy to collide with the carrier 22, so that the optical filter 27 is broken, and the imaging effect of the camera module is directly influenced. One end of the coil 21 is connected with the first circuit board 25, so that electric charges can flow in the coil 21, and in order to avoid damage to the camera module caused by winding and the like of the coil 21 along with the movement of the imaging component 2, the wiring of the coil 21 is guided through the wiring column 222, and the winding of the coil 21 is avoided.

In a second aspect, an embodiment of the present application provides an electronic device, where the image pickup module is disposed in the electronic device. One end of the second circuit board 26 in the camera module extends to the mainboard of the electronic equipment in the camera module, the second circuit board 26 is electrically connected with the mainboard of the electronic equipment, the light signal of the incident lens is converted into an electric signal by the photosensitive chip 24, and the electric signal is transmitted to the mainboard through the first circuit board 25 and the second circuit board 26, so that the electric signal can be smoothly transmitted to the processing system of the electronic equipment, and the imaging function is completed. Electronic equipment in this embodiment, because the module of making a video recording formation of image is effectual and the volume is less, so electronic equipment inner space is overall arrangement easily, compares with prior art, and under the condition of the same formation of image effect, the volume is littleer and the user of being convenient for uses.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a module of making a video recording which characterized in that includes:

the lens assembly comprises a camera and a shell, wherein one side of the shell is an opening, a mounting hole is formed in the shell at the side opposite to the opening, a magnet is arranged on the inner peripheral side of the shell, and the camera is fixed in the mounting hole;

the imaging assembly is movably arranged in the opening of the shell and comprises a carrier, an elastic sheet and a photosensitive chip, a light transmitting hole is formed in the carrier, the photosensitive chip is fixed on one side, far away from the lens assembly, of the carrier, the photosensitive chip, the light transmitting hole and the camera are coaxially arranged, the elastic sheet is connected with the inner wall of the shell and the carrier, a coil is arranged on the outer peripheral side of the carrier, and the coil corresponds to the magnet in position;

when the coil is in a power-on state, the carrier drives the photosensitive chip to move from an initial position to the lens component and compresses the elastic sheet;

when the coil is in a power-off state, the elastic sheet drives the carrier and the photosensitive chip to move to the initial position.

2. The camera module of claim 1, wherein the sidewall of the mounting hole is bent toward the imaging assembly to form a fixing portion, the fixing portion is clamped to an outer peripheral side of the camera, and the fixing portion is hermetically connected to the camera.

3. The camera module according to claim 1, wherein the imaging assembly further comprises a first circuit board and a second circuit board, the photosensitive chip is fixed on the first circuit board, the first circuit board is electrically connected with the second circuit board, the second circuit board is a flexible circuit board, and a reinforcing steel sheet is arranged on one side of the second circuit board, which is far away from the first circuit board.

4. The camera module according to claim 3, wherein a hollow structure is disposed on the second circuit board near the periphery, and a rounded corner is disposed on the hollow structure.

5. The camera module according to claim 3, wherein an induction magnet is disposed on the magnet, and a Hall sensor is disposed on the first circuit board, wherein the Hall sensor is configured to monitor a change in a magnetic field of the induction magnet.

6. The camera module of claim 1, wherein a winding post is disposed on an outer side of the carrier, and the coil is wound on the winding post.

7. The camera module of claim 6, wherein said winding posts are disposed on opposite sides of said carrier, two sets of said coils are wound on said opposite winding posts, two sets of said magnets are disposed opposite each other on an inner wall of said housing, and said magnets and said coils are disposed in corresponding positions.

8. The camera module of claim 1, wherein the imaging assembly further comprises an optical filter, and the optical filter is disposed between the lens assembly and the photosensitive chip.

9. The camera module of claim 8, wherein the filter and the carrier have a plurality of bevels, the bevels of the carrier are provided with a wire-guiding post, and a portion of the coil is wound around the wire-guiding post.

10. An electronic device, wherein the camera module set according to any one of claims 1 to 9 is disposed in the electronic device.