CN214851486U

CN214851486U - Camera module and electronic equipment

Info

Publication number: CN214851486U
Application number: CN202121353893.XU
Authority: CN
Inventors: 丁文超
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-23
Anticipated expiration: 2031-06-17

Abstract

The embodiment of the application provides a camera module and electronic equipment, wherein the camera module comprises a camera, a stator assembly, a rotor assembly and an elastic piece, the stator assembly comprises a shell and a magnetic piece arranged in the shell, the magnetic piece is annular, an opening is formed in the shell, and the camera is fixed in the opening; the rotor assembly is provided with a coil, the coil is annular and is opposite to the magnetic part, and the rotor assembly is connected with the stator assembly through the elastic part. The embodiment of the application provides the module of making a video recording is in when circular telegram of coil on the active cell subassembly, the coil can with the cooperation of the magnetic part on the stator module makes active cell subassembly is kept away from or is close to stator module has adjusted the focus of camera, the camera can carry out autofocus, has guaranteed the effect of making a video recording of the module of making a video recording.

Description

Camera module and electronic equipment

Technical Field

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

Background

With the continuous upgrade of electronic devices, the functions of the electronic devices are also increasingly powerful. Taking the camera function of a mobile phone as an example, the AF (auto focus) function has become a necessary function of a camera of a mobile phone as one of the most common functions in taking pictures.

The traditional mobile phone camera drives a lens carrier and a lens inside the traditional mobile phone camera to move along the Z-axis direction of the lens through a Voice Coil Motor (VCM), so that the relative position between the lens and an image sensing chip is changed, and further, the automatic focusing of the lens is realized.

However, the size and the weight of the lens are generally larger, and a larger moving space is needed in the process of driving the lens to move by the voice coil motor, so that the compact structure of the camera is reduced; and the lens may collide with other structures in the moving process, so that the structural integrity of the camera is damaged. In addition, the lens movement requires a higher power from the voice coil motor, which increases the power consumption of the voice coil motor.

SUMMERY OF THE UTILITY MODEL

The present application is directed to a camera module and an electronic device, which at least solve one of the problems of the related art.

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

in a first aspect, an embodiment of the present application provides a camera module, including:

a camera;

the stator assembly comprises a shell and a magnetic part arranged in the shell, the magnetic part is annular, an opening is formed in the shell, and the camera is fixed in the opening;

the rotor assembly is provided with a coil, and the coil is annular and is opposite to the magnetic part;

the mover assembly is connected with the stator assembly through the elastic piece;

under the condition that the coil is in an electrified state, the coil is matched with the magnetic part so as to enable the rotor assembly to be far away from or close to the stator assembly.

In a second aspect, an embodiment of the present application provides an electronic device, including the camera module of the first aspect.

In the embodiment of the application, a camera module is provided, the camera module comprises a camera, a stator assembly, a rotor assembly and an elastic piece. The camera module that makes a video recording that this application embodiment provided will the camera is fixed in on the stator module, the active cell subassembly passes through the elastic component with stator module is connected. The coil on the rotor component can be matched with the magnetic part on the stator component when being electrified, so that the rotor component is far away from or close to the stator component, the focal length of the camera is adjusted, the camera can carry out automatic focusing, and the camera shooting effect of the camera shooting module is ensured.

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 above and/or 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 an overall schematic view of a camera module according to an embodiment of the present application;

fig. 2 is an exploded view of a camera module according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a stator assembly of a camera module according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a mover assembly of a camera module according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a chip substrate of a camera module according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an FPC of a camera module according to an embodiment of the present application.

Reference numerals:

1-a camera; 2-a stator assembly; 21-a housing; 22-a magnetic member; 23-a gasket; 3-a mover assembly; 31-a coil; 32-a circular carrier; 4-an elastic member; 41-outer edge; 42-inner edge; 43-a resilient arm; 5-an image sensing chip; 6-a chip substrate; 61-a mounting groove; 7-capacitance; 8-Hall sensing chip; 9-FPC; 91-a connecting part; 92-a connection port; 93-a metal support; 10-shading sheet.

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 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. 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 application, "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 application, 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 present application 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 present application.

In the description of the present application, it is to 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The following describes a camera module and an electronic device according to an embodiment of the present application with reference to fig. 1 to 6.

As shown in fig. 1 and 2, according to some embodiments of the present application, there is provided a camera module, including:

camera 1, stator module 2, active cell subassembly 3 and elastic component 4, camera 1 is used for the formation of image of the module of making a video recording provides light.

Referring to fig. 3, the stator assembly 2 includes a housing 21 and a magnetic member 22 disposed in the housing 21, the magnetic member 22 is annular, an opening is disposed on the housing 21, and the camera 1 is fixed in the opening; referring to fig. 4, a coil 31 is disposed on the mover assembly 3, the coil 31 is annular and is opposite to the magnetic member 22, and the mover assembly 3 is connected to the stator assembly 2 through the elastic member 4.

Under the condition that the coil 31 is in an energized state, an electromagnetic field is generated around the coil 31, the coil 31 is in electromagnetic fit with the magnetic part 22, the coil 31 can move relative to the magnetic part 22 under the electromagnetic action of the magnetic part 22, so that the mover assembly 3 is far away from or close to the stator assembly 2, the focal length of the camera 1 is adjusted, the camera 1 can perform automatic focusing, and the camera effect of the camera module is ensured. The elastic member 4 can prevent the stator assembly 2 and the mover assembly 3 from being separated from each other while ensuring the flexibility of movement of the camera 1.

Specifically, the annular arrangement of the magnetic member 22 can increase the interaction force between the coil 31 and the magnetic member 22, which is beneficial to reducing the power consumption of the camera module and the stacking of the whole space. A magnetic gap is formed between the coil 31 and the magnetic member 22, and the elastic member 4 is disposed in the magnetic gap. When an electromagnetic acting force of mutual attraction is generated between the coil 31 and the magnetic part 22, the rotor assembly 3 approaches the stator assembly 2, at this time, the magnetic gap is reduced, the elastic part 4 is compressed, the focal length of the camera 1 is reduced, and the camera is suitable for shooting a large-range scenery; when the coil 31 and the magnetic member 22 generate mutually repulsive electromagnetic acting force, the mover assembly 3 is far away from the stator assembly 2, at this time, the magnetic gap is increased, the elastic member 4 is stretched, and the focal length of the camera 1 is increased, so that the camera is suitable for long-distance shooting. In addition, the elastic member 4 may be a metal elastic sheet or a plastic elastic sheet, or may be a spring, and the specific type of the elastic member 4 is not limited in the embodiment of the present application.

The camera module that this application embodiment provided will camera 1 is fixed in on the stator module 2, active cell subassembly 3 through elastic component 4 with stator module 2 is connected. Coil 31 on the active cell subassembly 3 can cooperate with magnetic part 22 on the stator module 2 when circular telegram, makes active cell subassembly 3 can keep away from or be close to stator module 2 has adjusted the focus of camera 1, camera 1 can carry out auto focus, has guaranteed the effect of making a video recording of the module of making a video recording. In addition, the size is great the fixed setting of camera 1 can make the thickness of the module of making a video recording is done littleer, is favorable to the module of making a video recording piles up, has improved the compact structure nature of the module of making a video recording.

Optionally, referring to fig. 3, the elastic element 4 is annular, the elastic element 4 includes an outer edge 41, an inner edge 42, and an elastic arm 43 connecting the outer edge 41 and the inner edge 42, the outer edge 41 is sandwiched between the magnetic element 22 and the housing 21, and the inner edge 42 is connected to the mover assembly 3.

Specifically, the mover assembly 3 may be far away from or close to the stator assembly 2, that is, the inner edge 42 may be driven to be far away from or close to the outer edge 41, and at this time, the elastic deformation of the elastic arm 43 may ensure the stability of the mutual movement between the mover assembly 3 and the stator assembly 2, and may also prevent the mover assembly 3 from being disengaged from the stator assembly 2. As shown in fig. 3, the magnetic member 22 is in a quadrilateral ring shape, the elastic member 4 includes a quadrilateral outer edge 41 and a circular inner edge 42, and four corners of the outer edge 41 and four positions of the inner edge 42 are respectively connected by elastic arms 43, the four corner positions of the magnetic member 22 can provide a good fixing effect for the outer edge 41, and the inner edge 42 can be adhesively fixed with the mover assembly 3.

In addition, the stator assembly 2 further includes a gasket 23, the gasket 23 is disposed between the elastic member 4 and the housing 21, the elastic member 4 and the gasket 23 are connected together by dispensing, the gasket 23 and the housing 21 are connected together by dispensing, and the edge of the magnetic member 22 and the edge of the housing 21 are further fixed by dispensing, so that the structural reliability of the stator assembly 2 is enhanced.

Optionally, referring to fig. 4, the mover assembly 3 further includes an annular carrier 32, and the coil 31 is wound around a peripheral side of the annular carrier 32.

Specifically, the circumferential side of the annular carrier 32 is provided with an annular wire slot, the coil 31 is wound in the annular wire slot, and the number of turns of the coil 31 can be determined according to the requirement of electromagnetic action between the coil 31 and the magnetic member 22.

Optionally, referring to fig. 5, the camera module further includes an image sensing chip 5 and a chip substrate 6, wherein a mounting groove 61 is formed on the chip substrate 6, and the image sensing chip 5 is fixed in the mounting groove 61;

the image sensing chip 5 is fixed on the mover assembly 3 through the chip substrate 6. Specifically, the image sensor chip 5 serves as an imaging component for converting the optical image on the photosensitive surface into an electrical signal in a proportional relationship with the optical image, and has high sensitivity and precision, which requires a stable and safe imaging environment for the image sensor chip 5. The chip substrate 6 is configured to stably embed the image sensing chip 5 into the mounting groove 61, so that the image sensing chip 5 is opposite to the camera 1, and the mounting groove 61 can also protect the image sensing chip 5, thereby ensuring stable imaging of the image sensing chip 5. In a specific embodiment, the image sensor chip 5 may be fixed to the bottom end of the ring-shaped carrier 32 to ensure the stability of the image sensor chip 5.

Optionally, referring to fig. 5, the camera module further includes a capacitor 7, and a first accommodating cavity is disposed on the chip substrate 6;

the capacitor 7 is accommodated in the first accommodating cavity and electrically connected to the image sensing chip 5.

Specifically, the number of the first accommodating cavities may be plural, and accordingly, the number of the capacitors 7 may also be plural. The capacitor 7 may specifically include a filter capacitor and a bypass capacitor, when the capacitor 7 is a filter capacitor, due to an energy storage effect of the capacitor 7, voltage at two ends of the capacitor 7 does not suddenly change, the capacitor 7 may convert a voltage variation into a current variation, and the higher the frequency of the voltage variation is, the larger the converted peak current is, so that the voltage may be effectively buffered, and an impact of the voltage variation on the image sensing chip 5 may be avoided; when the capacitor 7 is a bypass capacitor, the bypass capacitor can provide energy for the image sensing chip 5, and homogenize the output of the image sensing chip 5, thereby reducing the load requirement of the image sensing chip 5.

Optionally, referring to fig. 5, the camera module further includes a hall sensor chip 8, a second accommodating cavity is disposed on the chip substrate 6, the hall sensor chip 8 is accommodated in the second accommodating cavity, and the hall sensor chip 8 is configured to measure the position information of the magnetic member 22.

Specifically, the magnetic member 22 may be used as a hall magnet in addition to electromagnetic matching with the coil 31, multiple hall-driven and hall-induced devices may be integrated in the hall sensing chip 8, and the hall sensing chip 8 and the magnetic member 22 may be used to accurately obtain position information of the magnetic member 22, specifically, obtain a distance between the magnetic member 22 and the hall sensing chip 8. The Hall sensing chip 8 can provide guarantee for accurate focusing of the camera 1 after being electrically connected with the image sensing chip 5. And magnetic part 22 is as the dual magnet of electro-magnet and hall magnet, can effectively reduce the volume of module of making a video recording promotes camera 1's focusing speed and accuracy. In addition, hall response chip 8 with electric capacity 7 is embedded inside chip substrate 6, chip substrate 6 specifically can be soft or hard combined board, is favorable to reducing the height of the module of making a video recording, and hall response chip 8 with electric capacity 7's reliability.

Optionally, referring to fig. 6, the camera module further includes an FPC 9, one end of the FPC 9 is provided with a connection portion 91, the other end of the FPC 9 is provided with a connection port 92, and the FPC 9 is electrically connected to the image sensing chip 5 through the connection portion 91.

Specifically, the FPC 9 (flexible circuit board) has good flexibility, and can move flexibly along with the mover assembly 3 on the basis of ensuring the stability of the electrical connection between the FPC and the image sensing chip 5. The connection portion 91 may be specifically bonded to the image sensing chip 5 by soldering, and is used to provide power for the image sensing chip 5, the connection portion 91 is electrically connected to the connection port 92 by a line, and the connection port 92 may obtain a power supply from the outside to supply power to the camera module.

Optionally, referring to fig. 6, the FPC 9 further includes a metal bracket 93, and the connection portion 91 is fixed to the metal bracket 93. Just because the flexibility of the FPC 9 is good, the connection portion 91 may be bonded to the metal bracket 93 in order to ensure the stability of the electrical connection between the connection portion 91 and the image sensing chip 5. The metal support 93 specifically can be a steel sheet support or an aluminum sheet support, the metal support 93 can be FPC 9 provides protection, increases the mechanical strength of FPC 9, guarantees the structural integrity of FPC 9.

Optionally, referring to fig. 1, the camera module further includes a light shielding sheet 10, and the light shielding sheet 10 is fixed in the opening and is opposite to the camera 1.

Specifically, the light shielding sheet 10 may be assembled inside the housing 21 of the stator assembly 2 by dispensing, and is fixed to the bottom of the camera 1. The shading sheet 10 can provide a filtering function for the imaging of the camera module. In addition, the camera 1 and the shading sheet 10 are tightly fixed, so that the collision between the camera 1 and the optical filter 10 can be avoided, the back focus of the camera module is made shorter, and the reliability of the camera 1 and the optical filter 10 is improved.

The embodiment of the application also provides electronic equipment, which comprises the camera module.

Specifically, the electronic device further comprises a housing, wherein a light inlet is formed in the housing, and the camera 1 is opposite to the light inlet. The camera 1 is fixed on the stator assembly 2 by the camera module of the electronic device, the image sensing chip 5 is fixed on the rotor assembly 3 and opposite to the camera 1, and the rotor assembly 3 is connected with the stator assembly 2 through the elastic piece 4. When the coil 31 on the mover assembly 3 is powered on, the coil is matched with the magnetic part 22 on the stator assembly 2, so that the mover assembly 3 and the image sensing chip 5 are together far away from or close to the stator assembly 2, the distance between the camera 1 and the image sensing chip 5 is adjusted, the camera 1 can perform automatic focusing, and the camera effect of the electronic device is ensured. In addition, the fixed setting of camera 1 can reduce the windowing size of light inlet hole improves electronic equipment's structural stability and outward appearance aesthetic feeling.

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

a camera;

2. The camera module of claim 1, wherein the elastic member is annular, an outer edge of the elastic member is interposed between the magnetic member and the housing, and an inner edge of the elastic member is connected to the mover assembly.

3. The camera module of claim 2, wherein the mover assembly further includes an annular carrier, and the coil is wound around a peripheral side of the annular carrier.

4. The camera module according to claim 1, further comprising an image sensing chip and a chip substrate, wherein the chip substrate is provided with a mounting groove, and the image sensing chip is fixed in the mounting groove;

the image sensing chip is fixed on the rotor assembly through the chip substrate.

5. The camera module according to claim 4, further comprising a capacitor, wherein the chip substrate is provided with a first accommodating cavity;

the capacitor is accommodated in the first accommodating cavity and electrically connected with the image sensing chip.

6. The camera module according to claim 4, further comprising a Hall sensing chip, wherein a second accommodating cavity is formed in the chip substrate, the Hall sensing chip is accommodated in the second accommodating cavity, and the Hall sensing chip is used for measuring the position information of the magnetic member.

7. The camera module according to claim 4, further comprising an FPC, wherein one end of the FPC is provided with a connecting portion, and the other end of the FPC is provided with a connecting port, and the FPC is electrically connected with the image sensing chip through the connecting portion.

8. The camera module of claim 7, wherein the FPC further comprises a metal bracket, and the connecting portion is fixed to the metal bracket.

9. The camera module of claim 1, further comprising a light shield secured within the opening and opposite the camera head.

10. An electronic device comprising the camera module of any one of claims 1-9.