CN113452884A

CN113452884A - Camera module and electronic equipment

Info

Publication number: CN113452884A
Application number: CN202110716281.0A
Authority: CN
Inventors: 刘庆; 谢从军
Original assignee: Vivo Mobile Communication Hangzhou Co Ltd
Current assignee: Vivo Mobile Communication Hangzhou Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-09-28
Anticipated expiration: 2041-06-25
Also published as: CN113452884B

Abstract

The application discloses a camera module and electronic equipment, and belongs to the technical field of electronic equipment, wherein the camera module comprises a lens component, the lens component comprises a camera and an outer shell, one side of the outer shell is open, one side of the outer shell, which is opposite to the open, is provided with a mounting hole, a coil is arranged on the periphery of the camera, and the camera is movably arranged in the mounting hole; the imaging assembly is fixed at the opening of the shell and comprises a substrate, a photosensitive chip and a magnet, the photosensitive chip and the magnet are arranged on the substrate and correspond to the opening, and the magnet is positioned on the peripheral side of the photosensitive chip; when the coil is in a power-on state, the camera moves close to or away from the substrate along the optical axis direction of the camera.

Description

Camera module and electronic equipment

Technical Field

The application belongs to the field of electronic equipment, 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, is provided with the motor of focusing in making a video recording the module, makes the module of making a video recording have the auto focus function to improve the formation of image effect.

But in order to guarantee the formation of image effect of the module of making a video recording, the camera is towards the trend development of big end high pixel, and the volume of camera is crescent, can lead to electronic equipment's the module volume of making a video recording also bigger and bigger.

Disclosure of Invention

The purpose of the embodiment of the application is to provide a module and electronic equipment make a video recording, can solve the increase of the module volume of making a video recording, lead to the also bigger and bigger problem of the module volume of making a video recording of electronic equipment.

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 coil is arranged on the periphery of the camera, and the camera is movably arranged in the mounting hole;

the imaging assembly is fixed at the opening of the shell and comprises a substrate, a photosensitive chip and a magnet, the photosensitive chip and the magnet are arranged on the substrate and correspond to the opening, and the magnet is positioned on the peripheral side of the photosensitive chip;

when the coil is in a power-on state, the camera moves close to or away from the substrate along the optical axis direction of the camera

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 setting up magnet on the base plate, reduced the volume of the module of making a video recording, reduced the inside degree of difficulty that piles up of electronic equipment, realized having reduced the effect of electronic equipment volume, improved user's use impression.

Drawings

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

FIG. 2 is one of the schematic structural views of an imaging assembly in an embodiment of the present application;

FIG. 3 is a side view of the imaging assembly of FIG. 2;

FIG. 4 is a second schematic structural view of an imaging assembly according to an embodiment of the present application;

fig. 5 is a side view of the imaging assembly of fig. 4.

Reference numerals

1. A lens assembly; 11. a camera; 12. a housing; 121. mounting holes; 13. a coil; 14. a carrier; 15. a spring plate; 151. an upper spring plate; 152. a lower spring plate; 16. a base; 2. an imaging assembly; 21; a substrate; 22. a photosensitive chip; 23. and a magnet.

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 5, including:

the lens assembly 1 comprises a camera 11 and a shell 12, wherein one side of the shell 12 is open, a mounting hole 121 is formed in one side of the shell 12 opposite to the open, a coil 13 is arranged on the peripheral side of the camera 11, and the camera 11 is movably arranged in the mounting hole 121; the housing 12 is used for protecting the internal structure of the camera module, and the mounting hole 121 provides a mounting position for the camera 11. The coil 13 is wound around the periphery of the camera 11, and after the coil 13 is electrified, the coil can be acted by ampere force in a magnetic field, so that the camera 11 is driven to move, the zooming effect is realized, and the imaging effect is improved.

The imaging assembly 2 is fixed at the opening of the shell 12, the imaging assembly 2 comprises a substrate 21, a photosensitive chip 22 and a magnet 23, the photosensitive chip 22 and the magnet 23 are arranged on the substrate 21, the photosensitive chip 22 is arranged corresponding to the opening, and the magnet 23 is positioned on the peripheral side of the photosensitive chip 22; magnet 23 produces the magnetic field in the module of making a video recording, and certain ampere of power can be produced simultaneously in the magnetic field of the circular telegram coil 13 production in the module of making a video recording to drive camera 11 and remove in shell 12. The magnitude of the ampere force can be controlled by controlling the magnitude of the current in the coil 13, thereby controlling the displacement of the camera 11 in the housing 12. Since the direction of the magnetic field of the magnet 23 is fixed, the direction of displacement of the camera 11 within the housing 12 can be changed by changing the direction of the current in the coil 13. The coil 13 is energized to move the camera 11 relative to the photosensitive chip 22, and the intensity and direction of the current in the coil 1321 are changed to control the distance between the photosensitive chip 2224 and the camera 1112, thereby realizing the focusing function of the camera module. And then can realize comparatively clear shooting to the scenery of different positions. Set up the magnet 23 on sensitization chip 22 week side simultaneously, when coil 13 is in the on-state, can provide more stable magnetic field, make the more even effect of ampere force of production on camera 11, make the process that camera 11 removed in shell 12 more steady, improve the stability of the module of making a video recording process of focusing.

When the coil 13 is in the energized state, the camera 11 moves closer to or away from the substrate 21 along the optical axis direction of the camera 11; since the magnetic poles of the magnets 23 are fixed, the magnetic field generated by the magnets 23 is also fixed, and the moving direction of the camera 11 can be controlled by controlling the direction of the electric charge flowing in the coil 13. When the coil 13 is charged with a charge flowing in the forward direction, the camera 11 moves from the initial position in a direction away from the substrate 21; when the coil 13 is charged with charges flowing in the opposite direction, the camera 11 moves from the initial position in a direction approaching the substrate 21.

When the coil 13 is in the power-off state, the camera 11 is restored to the initial position. After stopping using electronic equipment's shooting function, coil 13 is in the outage state, and the ampere force in the module of making a video recording disappears this moment, and camera 11 resumes to initial position, is convenient for use next time. According to different design ideas of different electronic products, after a user stops using the shooting function of the electronic equipment, the coil 13 can be kept in a power-on state, and ampere force is continuously generated to provide thrust for the camera 11, so that the camera 11 returns to the initial position, and the next user can use the electronic equipment conveniently.

Specifically, in order to make the module of making a video recording can realize better formation of image effect, so the camera 11's of the module of making a video recording among the prior art pixel is more and more high, and corresponding camera 11's volume also can corresponding increase, in order to realize focusing the function, can lead to the increase of the volume of the module of making a video recording, and then influences the inside overall arrangement of electronic equipment. In this embodiment, set up magnet 23 on base plate 21, reduced the width of the module transverse direction 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, as shown in fig. 1, the lens assembly 1 further includes a carrier 14, a spring plate 15 and a base 16, the base 16 is disposed between the camera 11 and the imaging assembly 2, the base 16 is fastened at the opening, the carrier 14 is disposed in the housing 12 through the spring plate 15, the carrier 14 is sleeved on an outer peripheral side of the camera 11, the camera 11 and the carrier 14 move synchronously, and the coil 13 is disposed on an outer peripheral side of the carrier 14. The base 16 and the housing 12 are fastened together to protect the internal structure of the camera module, and prevent the damage to the camera 11 or the optical filter during use. The camera 11 is arranged in the carrier 14, the coil 13 is wound outside the carrier 14, the carrier 14 is more convenient for winding the coil 13, and a corresponding winding slot can be selectively formed in the carrier 14 to wind the coil 13 in the winding slot. The ampere force that produces behind the circular telegram in the coil 13 directly acts on carrier 14, drives the removal of camera 11 through carrier 14, can make the moving process of camera 11 more steady, improves the module of making a video recording's focusing speed and formation of image effect. Meanwhile, the elastic sheet 15 is arranged in the shell 12, the elastic sheet 15 is respectively fixed on the inner wall of the shell 12 and the carrier 14, and the elastic sheet 15 can deform in the process that the carrier 14 drives the camera 11 to move. Specifically, when the coil 13 is energized, an ampere force generated by the coil 13 acts on the carrier 14, and the carrier 14 drives the camera 11 to move in the housing 12 to adjust the distance between the camera 11 and the photosensitive chip 22, thereby implementing the focusing function. After finishing shooting, need camera 11 to resume to initial position, according to different electronic equipment's different setting modes this moment, can select to stop supplying power in coil 13, make coil 13 be in the outage state, shell fragment 15 provides pulling force to carrier 14 this moment, makes carrier 14 drive camera 11 can resume to initial position, and the next shooting of being convenient for can quick start camera 11, and the focusing that is more quick. In another example, in the shooting and focusing process of the camera module, a forward current is conducted in the coil 13, so that the camera 11 moves towards the direction far away from the photosensitive chip 22, the distance between the camera 11 and the photosensitive chip 22 is increased, after shooting is stopped, a reverse current is conducted in the coil 13, an ampere force towards the photosensitive chip 22 is generated on the carrier 14, the carrier 14 drives the camera 11 to move towards the initial position, and meanwhile, the camera 11 can be quickly recovered to the initial position by matching with the elastic sheet 15.

Optionally, as shown in fig. 1, the elastic sheet 15 includes an upper elastic sheet 151 and a lower elastic sheet 152, the upper elastic sheet 151 is connected to the inner wall of the housing 12 and the upper portion of the carrier 14, the lower elastic sheet 152 is connected to the base 16 and the lower portion of the carrier 14, when the coil 13 is in the power-on state, one of the upper elastic sheet 151 and the lower elastic sheet 152 is elongated, and the other is shortened. Specifically, for example, a user uses the camera module to shoot, when the camera module needs to focus, a forward current is conducted into the coil 13, an ampere force generated by the coil 13 drives the carrier 14 to move from an initial position to a direction away from the photosensitive chip 22, at this time, the distance between the camera 11 and the photosensitive chip 22 increases, the upper elastic sheet 151 is compressed, the lower elastic sheet 152 is stretched, the upper elastic sheet 151 provides a pushing force to the carrier 14 in a direction towards the substrate 21, the lower elastic sheet 152 provides a pulling force to the carrier 14 in a direction towards the substrate 21, and by controlling the intensity of the current in the coil 13, the camera 11 can move to a specified position. The user uses the module of making a video recording to shoot, when the module of making a video recording needs to focus, it has reverse current to coil 13 internalization, the ampere force that coil 13 produced drives carrier 14 and moves to the direction that is close to sensitization chip 22 by initial position, camera 11 and sensitization chip 22's distance reduces this moment, it is tensile to go up shell fragment 151, lower shell fragment 152 is compressed, it provides the pulling force of keeping away from base plate 21 direction to carrier 14 to go up shell fragment 151, lower shell fragment 152 provides the thrust of keeping away from base plate 21 direction to carrier 14, intensity through the interior electric current of control coil 13, thereby make camera 11 can move to the assigned position.

Optionally, as shown in fig. 1, the housing 12 is rectangular, four corners of the housing 12 are recessed to form four connecting portions, four corners of the upper elastic sheet 151 are connected to the four connecting portions, and four corners of the lower elastic sheet 152 are connected to four corners of the base 16. In order to guarantee that carrier 14 and camera 11 can set up more stably in shell 12, improve the image formation of image effect after the shooting, set up connecting portion on shell 12, be connected to four connecting portions respectively with the four corners of last shell fragment 151, be connected to the four corners of bottom plate respectively with the four corners of lower shell fragment 152, it is more stable at the in-process camera 11 that removes to make carrier 14 drive camera 11, reach when presetting the distance and can accomplish the work of focusing when distance between camera 11 and the sensitization chip 22, the ampere force that shell fragment 15 and coil 13 produced reaches the equilibrium, make setting that camera 11 can be stable in preset position department, make the camera module shoot comparatively clear image.

Optionally, as shown in fig. 1, a light hole is formed in the base 16, the light hole, the camera 11 and the photosensitive chip 22 are disposed along the optical axis, and an optical filter is disposed at the light hole. The filter can increase the incidence of visible light, reduces the incidence of non-visible light, and improves the imaging effect of the camera module.

Optionally, as shown in fig. 2 to 5, the imaging assembly 2 further includes a driving chip, the driving chip is disposed on the substrate 21, and the driving chip controls the current intensity and the current flowing direction in the coil 13. The driving chip is connected with a control system of the electronic equipment, when a user starts the camera module to prepare for shooting, the light sensing chip 22 converts an optical signal transmitted by the camera 11 into an electric signal and transmits the electric signal to a processor of the electronic equipment, the optimal distance between the camera 11 and the light sensing chip 22 is calculated through the operation of a corresponding algorithm, the control system controls the driving chip to electrify the coil 13, an ampere force is generated after the coil 13 is electrified to drive the carrier 14 to move, and then the effect of adjusting the distance between the camera 11 and the light sensing chip 22 is realized, so that the focusing function of the camera module is realized, and the image quality is improved.

Alternatively, as shown in fig. 2 to 3, the magnet 23 is disposed in a rectangular shape on the peripheral side of the photosensitive chip 22. The substrate 21 is used for supporting the magnet 23 and the photosensitive chip 22, the magnet 23 is disposed on the periphery of the photosensitive chip 22, if the photosensitive chip 22 is rectangular plate-shaped, the magnet 23 is rectangular ring-shaped and disposed on the periphery of the photosensitive chip 22, so as to provide a stable magnetic field for the camera module.

Alternatively, as shown in fig. 4 to 5, the magnet 23 is plate-shaped, the photosensitive chip 22 and the magnet 23 are respectively disposed on two sides of the substrate 21, and the magnet 23 supports the substrate 21. Magnet 23 is rectangular plate-shaped structure, and magnet 23 and sensitization chip 22 set up respectively in the both sides of base plate 21, and magnet 23 bearing base plate 21 can strengthen base plate 21's structural strength, and when avoiding electronic equipment to bump or fall, base plate 21 or sensitization chip 22's damage leads to the module of making a video recording can't carry out the shooting work.

Alternatively, as shown in fig. 3 and 5, the photosensitive chip 22 and the substrate 21 are connected by gold wires. The gold wire has excellent oxidation resistance, pressure resistance and conductivity, and can ensure the stability of the electrical connection between the photosensitive chip 22 and the substrate 21.

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 substrate 21 in the camera module extends to the mainboard of the electronic equipment in the camera module, the substrate 21 is electrically connected with the mainboard of the electronic equipment, the light signal emitted into the lens is converted into an electric signal by the photosensitive chip 22, and the electric signal is transmitted to the mainboard through the substrate 21, so that the electric signal can be smoothly transmitted to the processing system of the electronic equipment to complete the imaging function. 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 coil is arranged on the periphery of the camera, and the camera is movably arranged in the mounting hole;

when the coil is in a power-on state, the camera moves close to or away from the substrate along the optical axis direction of the camera.

2. The camera module according to claim 1, wherein the lens assembly further comprises a carrier, a resilient piece, and a base, the base is disposed between the camera and the imaging assembly, the base is fastened to the opening, the carrier is disposed in the housing through the resilient piece, the carrier is sleeved on an outer peripheral side of the camera, the camera and the carrier move synchronously, and the coil is disposed on an outer peripheral side of the carrier.

3. The camera module according to claim 2, wherein the spring plate comprises an upper spring plate and a lower spring plate, the upper spring plate is connected with the inner wall of the housing and the upper portion of the carrier, the lower spring plate is connected with the base and the lower portion of the carrier, and when the coil is in a power-on state, one of the upper spring plate and the lower spring plate is elongated and the other is shortened.

4. The camera module according to claim 3, wherein the housing is rectangular, four corners of the housing are recessed to form four connecting portions, four corners of the upper elastic sheet are respectively connected to the four connecting portions, and four corners of the lower elastic sheet are respectively connected to four corners of the base.

5. The camera module of claim 2, wherein the base has a light hole, the camera and the photo sensor chip are disposed along the optical axis, and a filter is disposed at the light hole.

6. The camera module of claim 1, wherein the imaging assembly further comprises a driving chip disposed on the substrate, the driving chip controlling the current intensity and the current flowing direction in the coil.

7. The camera module of claim 1, wherein the magnet is disposed in a rectangular shape around the photosensitive chip.

8. The camera module according to claim 1, wherein the magnet has a plate shape, the photosensitive chip and the magnet are respectively disposed on two sides of the substrate, and the magnet supports the substrate.

9. The camera module according to claim 1, wherein the photosensitive chip is connected to the substrate by gold wires.

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