Camera module and electronic equipment using same

Abstract

The invention relates to the technical field of electronic equipment, particularly provides a camera module and electronic equipment applying the camera module, and aims to solve the problems that the thickness of the camera module is still large and the light and thin design of the electronic equipment is not facilitated due to the fact that the distance between a lens and an image sensor of a telescopic camera module is short. In order to achieve the purpose, the camera module comprises a first lens assembly, a base, a first driving assembly and a second driving assembly, the base comprises an image sensor, and the output end of the first driving assembly is fixedly connected with the first lens assembly; the output end of the second driving assembly is fixedly connected with the image sensor, so that the image sensor can move to a light emitting area of the first lens assembly, and light passing through the first lens assembly can be converged on the image sensor; in addition, the image sensor can be moved out of the light emitting area of the first lens assembly to give way to the first lens assembly. According to the camera module, the thickness of the camera module can be reduced, so that the electronic equipment is lighter and thinner.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment, and specifically provides a camera module and an electronic device using the same. Background Art

[0002] With the rapid development of electronic devices such as mobile phones and tablets, users have gradually increased their requirements for the functions and aesthetics of electronic devices, especially the camera function of electronic devices. Therefore, large-size image sensors are increasingly used in camera modules to improve the camera effect of electronic devices. However, since large-size image sensors are relatively thick, the overall thickness of electronic devices increases a lot, which affects the appearance of electronic devices.

[0003] Existing electronic devices include a battery cover and a telescopic camera module. The battery cover is provided with a viewfinder, and the telescopic camera module includes a lens, an image sensor, and a motor. When taking a photo, the motor pushes the lens out of the viewfinder to increase the distance between the lens and the image sensor so as to take a photo; when not taking a photo, the motor retracts the lens into the battery cover to shorten the distance between the lens and the image sensor and store the lens to reduce the thickness of the mobile phone. However, the distance that can be shortened between the lens and the image sensor is short, so that the thickness of the entire camera module is still relatively large, which is not conducive to the lightweight design of electronic devices.

[0004] Accordingly, the art needs a new camera module and an electronic device using the same to solve the above problems. Summary of the invention

[0005] The present application aims to solve the above technical problem, namely, to solve the problem that the distance that can be shortened between the lens and the image sensor of the telescopic camera module is short, so that the thickness of the entire camera module is still large, which is not conducive to the lightweight design of the electronic device.

[0006] In a first aspect, the present application provides a camera module; the camera module includes a first lens assembly, a base, a first drive assembly and a second drive assembly, the base includes an image sensor, an output end of the first drive assembly is fixedly connected to the first lens assembly, and is used to drive the first lens assembly to approach or move away from the image sensor along a first direction, and the first direction is the optical axis direction of the first lens assembly;

[0007] The output end of the second driving assembly is fixedly connected to the image sensor, and is used to drive the image sensor to move along a second direction, where the second direction is perpendicular to the optical axis direction of the first lens assembly, so that the image sensor can move to the light exiting area of ​​the first lens assembly, so that the light passing through the first lens assembly can converge on the image sensor;

[0008] The second driving assembly can also move the image sensor out of the light exit area of ​​the first lens assembly to make way for the first lens assembly, so that the first lens assembly can move along the first direction to the making way position.

[0009] In the preferred technical solution of the above-mentioned camera module, the first driving assembly includes a linear motor, a first driving rod and a connecting plate, the output shaft of the linear motor is fixedly connected to the first driving rod, one end of the connecting plate is fixedly connected to the first driving rod, and the other end of the connecting plate is fixedly connected to the first lens assembly, and the linear motor is used to drive the first driving rod to move along a first direction to make the first lens assembly approach or move away from the image sensor.

[0010] In the preferred technical solution of the above-mentioned camera module, the first driving assembly includes a driving motor, a lead screw, a guide rod and a slider threadedly connected to the lead screw, and the slider is connected to the first lens assembly;

[0011] The guide rod is arranged parallel to the lead screw and slides through the slider. The output shaft of the drive motor is fixedly connected to the lead screw. The drive motor can drive the lead screw to rotate and move the slider along a first direction to move the first lens assembly closer to or away from the image sensor.

[0012] In the preferred technical solution of the above-mentioned camera module, the second driving assembly includes a driving motor and a second driving rod, the output shaft of the driving motor is fixedly connected to the second driving rod, and the second driving rod is fixedly connected to the image sensor so that the image sensor can move along the second direction.

[0013] In the preferred technical solution of the above-mentioned camera module, the second driving component includes a first magnetic member and a second magnetic member, the second magnetic member is arranged on the image sensor, and when the magnetic poles of the first magnetic member and the second magnetic member corresponding to one side are opposite, the first magnetic member and the second magnetic member are attracted to each other, and the image sensor can be driven to move out of the light exit area of ​​the first lens assembly;

[0014] When the magnetic poles of the first magnetic member and the second magnetic member corresponding to one side are the same, the first magnetic member and the second magnetic member repel each other, and the image sensor can be driven to move to the light exit area of ​​the first lens assembly.

[0015] In the preferred technical solution of the above-mentioned camera module, the first magnetic member is an electromagnet, and the second magnetic member is an electromagnet or a permanent magnet; or

[0016] The second magnetic component is an electromagnet, and the first magnetic component is an electromagnet or a permanent magnet.

[0017] In the preferred technical solution of the above-mentioned camera module, it also includes at least one second lens assembly, which is located on one side of the first lens assembly. The second driving assembly can also drive the image sensor to move to the light exit area of ​​the second lens assembly so that the light passing through the second lens assembly can converge on the image sensor.

[0018] In a second aspect, the present application provides an electronic device; the electronic device comprises: a middle frame;

[0019] A battery cover, wherein a viewfinder hole is provided on the battery cover, the battery cover is located on one side of the middle frame and connected to the middle frame, and a receiving space is formed between the battery cover and the middle frame;

[0020] As described above, the camera module is located in the accommodating space, and the light incident side of the camera module is aligned with the viewfinder.

[0021] In the preferred technical solution of the electronic device, the viewfinder includes a first viewfinder, the first lens assembly is aligned with the first viewfinder, and the light-emitting side of the first lens assembly is in contact with the middle frame;

[0022] The first driving assembly is connected to the first lens assembly and is capable of driving the light incident side of the first lens assembly to extend outward from the first viewfinder hole or to retract to the first viewfinder hole;

[0023] The image sensor is movably placed on the middle frame and is located on one side of the first lens assembly. When the light incident side of the first lens assembly extends out of the first viewfinder, the second driving assembly drives the image sensor to move to the light exit area of ​​the first lens assembly so that the light passing through the first lens assembly can converge on the image sensor.

[0024] In the preferred technical solution of the electronic device, the viewfinder includes a first viewfinder and at least one second viewfinder, the first lens assembly is aligned with the first viewfinder, and the light-emitting side of the first lens assembly is in contact with the middle frame;

[0025] The first driving assembly is connected to the first lens assembly and is capable of driving the light incident side of the first lens assembly to extend outward from the first viewfinder hole or to retract to the first viewfinder hole;

[0026] The second lens assembly is aligned with the second viewfinder, and the image sensor is movably placed on the middle frame; when the second driving assembly drives the image sensor to move to the light exiting area of ​​the second lens assembly, the light passing through the second lens assembly can be converged on the image sensor;

[0027] When the light incident side of the first lens assembly extends out of the first viewfinder, the second driving assembly drives the image sensor to move to the light exit area of ​​the first lens assembly, so that the light passing through the first lens assembly can be converged on the image sensor.

[0028] When the above technical solution is adopted, in the initial state, the image sensor is not in the light emitting area of ​​the first lens assembly, so that the thickness of the entire camera module can be reduced by the thickness of one image sensor. Since the thickness of the image sensor is relatively large, the overall thickness of the camera module can be reduced to a large extent, and then the overall thickness of the electronic device can be reduced, making the electronic device thinner and more portable, and the appearance is more beautiful. When it is necessary to take a photo, the first lens assembly is moved away from the image sensor through the first drive assembly, and then the image sensor is moved to the light emitting area of ​​the first lens assembly through the second drive assembly, so that the light can pass through the first lens assembly and converge on the image sensor, and the light signal is processed by the image sensor.

[0029] When the electronic device includes a first lens assembly and a second lens assembly, in the initial state, the first lens assembly is retracted in the first viewfinder, and the image sensor is located in the light exit area of ​​the second lens assembly, so that the light passing through the second lens assembly can be converged on the image sensor. When the second lens assembly is needed to take a photo, the image sensor processes the image information obtained through the second lens assembly. In addition, by setting the height of the second lens assembly so that the sum of the heights of the second lens assembly and the image sensor is not greater than the thickness of the first lens assembly, the thickness of the entire camera module can still be reduced by the thickness of an image sensor, and the overall thickness of the electronic device can be reduced.

[0030] When it is necessary to use the first lens assembly to take a photo, the first driving assembly is started to drive the light incident side of the first lens assembly to extend the first viewfinder, and the second driving assembly is started to drive the image sensor to move to the light exit area of ​​the first lens assembly, so that the light passing through the first lens assembly can be converged onto the image sensor, and the image information obtained through the first lens assembly is processed by the image sensor.

[0031] By adding the second lens assembly, the camera module can be adapted to the needs of different shooting scenes, the imaging quality of the camera module can be improved, and the camera function of the electronic device can be improved. At the same time, by cooperating with the first drive assembly and the second drive assembly, the first lens assembly and the second lens assembly can share an image sensor, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, in which:

[0033] Figure 1 is an exploded diagram of the electronic device in Embodiment 1 of the present application;

[0034] Figure 2 is a schematic diagram of the electronic device in the first embodiment of the present application in an initial state;

[0035] Figure 3 is a schematic diagram of the electronic device in the first embodiment of the present application in a photographing state;

[0036] Figure 4 is a schematic diagram of the electronic device in the second embodiment of the present application in an initial state;

[0037] Figure 5 is a schematic diagram of the electronic device in the second embodiment of the present application in a photographing state;

[0038] Figure 6 is a schematic diagram of the electronic device in the third embodiment of the present application in an initial state;

[0039] Figure 7 is a schematic diagram of the electronic device in Embodiment 3 of the present application when taking photos using the first lens assembly;

[0040] Figure 8 is a schematic diagram of the electronic device in the fourth embodiment of the present application in an initial state;

[0041] Reference numerals:

[0042] 1. First lens assembly; 2. Second lens assembly; 3. Image sensor; 41. First drive rod; 42. Connecting plate; 43. Linear motor; 51. Second drive rod; 52. Fixed iron core; 53. Electromagnetic coil; 54. Permanent magnet; 55. Drive motor; 6. Middle frame; 7. Battery cover; 71. First viewfinder; 72. Second viewfinder. DETAILED DESCRIPTION

[0043] The preferred embodiments of the present application are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present application and are not intended to limit the scope of protection of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0044] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0045] In addition, it should be noted that in the description of this application, unless otherwise clearly specified and limited, the terms "connected", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] Embodiment 1

[0047] In order to solve the problem that the distance between the lens and the image sensor of the telescopic camera module is short, the thickness of the entire camera module is still relatively large, which is not conducive to the lightweight design of the electronic device.

[0048] like Figures 1 to 3 As shown, this embodiment discloses an electronic device, which may be a mobile phone, a tablet computer, a laptop computer, a portable media player, a camera, a smart bracelet, a navigation device, a television, a desktop computer, etc. The electronic device in this embodiment is described by taking a mobile phone as an example. The mobile phone includes a middle frame 6, a battery cover 7 and a camera module. The battery cover 7 is located on one side of the middle frame 6 and is fixedly connected to the middle frame 6. A receiving space is formed between the battery cover 7 and the middle frame 6 to accommodate electronic components such as a mainboard, a main processor, a battery and a camera module. A viewfinder is provided on the battery cover 7, and the viewfinder includes a first viewfinder 71. The camera module can obtain image information through the first viewfinder 71 and process the obtained image information.

[0049] like Figures 1 to 3 As shown, specifically, the camera module includes a first lens assembly 1, a base, a first drive assembly and a second drive assembly. The first lens assembly 1 includes a shell and an optical lens group installed in the shell. The base includes an image sensor 3. External light is converged onto the image sensor 3 through the optical lens group. The image sensor 3 can convert the received light signal into an electrical signal.

[0050] The first driving assembly is mounted on the middle frame 6 and connected to the housing of the first lens assembly 1. The optical lens group of the first lens assembly 1 is aligned with the first viewfinder 71, that is, the optical axis of the first lens assembly 1 coincides with the central axis of the first viewfinder 71. The first driving assembly can drive the first lens assembly 1 to move along the first direction, which is the direction of the optical axis of the first lens assembly 1. In order to more clearly illustrate the moving direction of the first lens assembly 1, a three-dimensional coordinate system is established with the length direction of the mobile phone as the X-axis, and the battery cover 7 from left to right is defined as the positive direction of the X-axis, the battery cover 7 from bottom to top is the positive direction of the Y-axis, and the battery cover 7 from outside to inside is the positive direction of the Z-axis. In this embodiment, the first direction is the Z-axis direction. The first driving assembly can drive the first lens assembly 1 to move in the negative direction of the first direction in a direction away from the image sensor 3, that is, the first lens assembly 1 moves in the negative direction of the Z-axis, so that the light-entering side of the first lens assembly 1 extends outward from the first viewfinder 71 for framing. The first driving assembly can also drive the first lens assembly to move along the positive direction of the Z-axis to retract into the first viewfinder 71.

[0051] The second driving assembly is mounted on the middle frame 6 and connected to the image sensor 3. The image sensor 3 can be driven to move along the second direction through the second driving assembly. The second direction is a direction perpendicular to the optical axis of the first lens assembly 1, which is also the X-axis direction in this embodiment. The second driving assembly can drive the image sensor 3 to move along the positive direction of the second direction, that is, the positive direction of the X-axis, so that the image sensor 3 moves to the light-emitting area of ​​the first lens assembly 1, which is the projection area of ​​the first lens assembly 1 on the image sensor 3. The second driving assembly can also drive the image sensor 3 to move along the negative direction of the second direction, that is, the negative direction of the X-axis, so that the image sensor 3 moves out of the light-emitting area of ​​the first lens assembly 1, making way for the first lens assembly 1, so that the first lens assembly 1 can move to the making way position along the first direction.

[0052] like Figure 2 and Figure 3 As shown, the first driving assembly includes a linear motor 43, a first driving rod 41 and a connecting plate 42. The linear motor 43 is mounted on the middle frame 6. The output shaft of the linear motor 43 is coaxially fixedly connected to the first driving rod 41. The first driving rod 41 can be driven to perform linear motion along a first direction by the linear motor 43. One end of the connecting plate 42 is fixed to the first driving rod 41, and the other end of the connecting plate 42 is fixedly connected to the housing of the first lens assembly 1, so that the connecting plate 42 can be driven to move along the first direction by the linear motor 43 and the first driving rod 41, so that the light incident side of the first lens assembly 1 can extend outward from the first viewfinder 71 or retract into the first viewfinder 71.

[0053] Furthermore, a guide post (not shown in the figure) is fixed on the middle frame 6, and the guide post is arranged parallel to the Z axis. A guide hole is arranged on the connecting plate 42, and the guide post cooperates to pass through the guide hole. The connecting plate 42 can be raised and lowered along the guide post. Through the guiding effect of the guide post, the first lens assembly 1 can move more stably along the first direction, thereby improving the focusing effect of the first lens assembly 1.

[0054] As another preferred embodiment, the first driving assembly includes a driving motor, a lead screw, a guide rod, and a slider threadedly connected to the lead screw, and the slider is fixedly connected to the housing of the first lens assembly 1. The driving motor is mounted on the middle frame 6, one end of the lead screw is coaxially connected to the output shaft of the driving motor, and the other end of the lead screw is rotatably connected to the battery cover 7. The lead screw can be driven to rotate by the driving motor, thereby driving the slider to move, so that the light incident side of the first lens assembly 1 extends outward or retracts the first viewfinder 71. The guide rod is fixedly connected between the middle frame 6 and the battery cover 7, and the guide rod is arranged parallel to the lead screw and slides through the slider. The guide rod can reduce the possibility of the slider rotating synchronously with the lead screw, so that the slider can move more stably along the lead screw.

[0055] Of course, the first lens assembly 1 can also be moved manually, but it is more convenient to use an electric method, and the moving distance of the first lens assembly 1 can be controlled more accurately, which can improve the imaging quality of the camera module.

[0056] like Figure 2 and Figure 3 As shown, the second driving assembly includes a driving motor 55 and a second driving rod 51, and the driving motor 55 is a linear driving motor. The driving motor 55 is mounted on the middle frame 6, one end of the second driving rod 51 is coaxially fixedly connected to the output shaft of the driving motor 55, and the other end of the second driving rod 51 is fixedly connected to the image sensor 3. The driving motor 55 can drive the second driving rod 51 to perform linear motion along the second direction, so that the image sensor 3 can be driven to move along the second direction to the light exit area of ​​the first lens assembly 1, or move out of the light exit area of ​​the first lens assembly 1.

[0057] Furthermore, a guide block (not shown in the figure) is fixed on the image sensor, and a guide groove (not shown in the figure) is provided on the middle frame 6 for the guide block to slide with. The guide block is placed in the guide groove, so that the base can move more stably along the second direction, thereby improving the alignment accuracy of the image sensor 3 and the first lens assembly 1, and further improving the imaging effect of the camera module.

[0058] like Figure 2As shown, in the initial state, the light incident side of the first lens assembly 1 is located in the first viewfinder 71, the light emitting side of the first lens assembly 1 is in contact with the middle frame 6, and the image sensor 3 is not in the light emitting area of ​​the first lens assembly 1, so that the first lens assembly 1 and the image sensor 3 do not overlap in the thickness direction of the camera module.

[0059] like Figure 3 As shown, when it is necessary to use the first lens assembly 1 to take a photo, the linear motor 43 is started to drive the light incident side of the first lens assembly 1 to extend outward from the first viewfinder 71, and then the drive motor 55 is started to drive the image sensor 3 to move to the light exit area of ​​the first lens assembly 1, so that the external light can converge on the image sensor 3 after passing through the first lens assembly 1, and the received light signal is converted into an electrical signal by the image sensor 3.

[0060] Compared with the existing telescopic camera module, whether in the initial state or the photo taking state, the lens assembly and the image sensor 3 always overlap in the thickness direction of the camera module. In the initial state of the camera module in this embodiment, the image sensor 3 is not in the light emitting area of ​​the first lens assembly 1, so that the thickness of the entire camera module can be reduced by the thickness of one image sensor. Since the thickness of the image sensor 3 is relatively large, the overall thickness of the camera module can be reduced to a large extent, and then the overall thickness of the mobile phone can be reduced, making the mobile phone more light and portable, and more beautiful in appearance.

[0061] Furthermore, the base also includes a filter (not shown in the figure) and a circuit board (not shown in the figure), the filter, the image sensor 3 and the circuit board are arranged in sequence, the filter is fixed on the image sensor 3, and the image sensor 3 is fixed on the circuit board and electrically connected to the circuit board. The circuit board adopts a flexible circuit board, and the flexible circuit board is electrically connected to the main board through a connector, so that the filter and the circuit board can move synchronously with the image sensor 3. After passing through the optical lens group and the filter in sequence, the external light converges on the image sensor 3. The image sensor 3 can convert the received light signal into an electrical signal, and transmit it to the main processor of the mobile phone through the circuit board for processing to obtain a picture.

[0062] The circuit board can also be a hard circuit board, with a contact claw on the circuit board, a groove on the inner side wall of the guide groove, the contact claw extending into the groove, a first connection contact installed at a position in the groove corresponding to the first lens assembly 1, and the first connection contact electrically connected to the main board. When the base moves to the light exit area of ​​the first lens assembly 1, the contact claw contacts and the first connection contact, so that the circuit board can transmit the electrical signal converted by the image sensor 3 to the main processor of the mobile phone for processing to obtain a picture.

[0063] In the initial state, the light-entering side of the first lens assembly 1 is located in the first viewfinder 71, the light-emitting side of the first lens assembly 1 is in contact with the middle frame 6, and the base is not in the light-emitting area of ​​the first lens assembly 1, so that the first lens assembly 1 and the base do not overlap in the thickness direction of the camera module. This can further reduce the thickness of a filter and a circuit board in the camera module, and further reduce the overall thickness of the mobile phone, making the mobile phone thinner and more portable, and more beautiful in appearance.

[0064] When it is necessary to use the first lens assembly 1 to take a photo, the linear motor 43 is started to drive the light incident side of the first lens assembly 1 to extend outward from the first viewfinder 71, and then the drive motor 55 is started to drive the base to move to the light exit area of ​​the first lens assembly 1, so that the external light can pass through the first lens assembly 1 and the filter and then converge on the image sensor 3. The image sensor 3 converts the received light signal into an electrical signal, and transmits it to the main processor of the mobile phone through the circuit board for processing to obtain a picture.

[0065] Embodiment 2

[0066] like Figure 4 and Figure 5 As shown, this embodiment discloses an electronic device, and the difference between this embodiment and embodiment 1 lies in the specific structure of the second drive component. The second drive component includes a first magnetic member and a second magnetic member, the first magnetic member is fixed on the middle frame 6, and the second magnetic member is fixed on the image sensor 3. When the magnetic poles on one side corresponding to the first magnetic member and the second magnetic member are opposite, the first magnetic member and the second magnetic member attract each other, and can drive the base to move out of the light-emitting area of ​​the first lens assembly 1, making way for the first lens assembly 1, so that the first lens assembly 1 and the base do not overlap in the thickness direction of the camera module. When the magnetic poles on one side corresponding to the first magnetic member and the second magnetic member are the same, the first magnetic member and the second magnetic member repel each other, and can drive the base to move to the light-emitting area of ​​the first lens assembly 1, so that the image sensor 3 is aligned with the first lens assembly 1, so that the external light passes through the first lens assembly 1 and the filter and converges on the image sensor 3.

[0067] Specifically, the first magnetic member is an electromagnet, which includes a fixed iron core 52 and an electromagnetic coil 53 wound around the fixed iron core 52. The fixed iron core 52 is fixed to the middle frame 6. The magnetic force of the electromagnet can be adjusted by controlling the magnitude of the current passing through the electromagnetic coil 53 to change the moving distance of the second magnetic member. The direction of the magnetic pole of the electromagnet can be changed by changing the direction of the current entering the electromagnetic coil 53.

[0068] The second magnetic part is a permanent magnet 54, which is fixed on the image sensor 3, and the N pole or S pole of the permanent magnet 54 faces the fixed iron core 52. By controlling the direction and magnitude of the current passed into the electromagnetic coil 53, the electromagnet can drive the permanent magnet 54 to move in the direction close to or away from the electromagnet, so that the base can be driven to move to the light-emitting area of ​​the first lens assembly 1, so that the image sensor 3 and the first lens assembly 1 are relatively aligned, so that the light passing through the first lens assembly 1 can be converged on the image sensor 3, and the image information is processed by the image sensor 3. The base can also be driven to move out of the light-emitting area of ​​the first lens assembly 1 to make way for the first lens assembly 1, so that the first lens assembly 1 can fit with the middle frame 6 to reduce the overall thickness of the camera module. Since a guide block is fixed on the image sensor 3, a guide groove is provided on the middle frame 6, and the guide block is placed in the guide groove, the base can be stably moved along the second direction through the cooperation of the guide block and the guide groove.

[0069] In addition, the permanent magnet 54 can also be fixed on the middle frame 6, and the electromagnet can be fixed on the image sensor 3, which can also realize the function of driving the image sensor 3 to move. The second magnetic member can also be an electromagnet. By controlling the magnitude and direction of the current passed into the electromagnet, the electromagnet fixed on the middle frame 6 and the electromagnet fixed on the image sensor 3 can be attracted or repelled to move the image sensor 3 by a set distance. However, fixing the electromagnet on the image sensor 3 requires designing the wiring method of the electromagnetic coil 53, which is more troublesome. The first drive component can also be set to have the same structure as the second drive component, and can also drive the first lens assembly 1 to move along its own optical axis.

[0070] like Figure 4 As shown, in the initial state, the light-entering side of the first lens assembly 1 is located in the first viewfinder 71, the light-emitting side of the first lens assembly 1 is in contact with the middle frame 6, the polarity of the side corresponding to the electromagnet and the permanent magnet 54 is opposite, the electromagnet and the permanent magnet 54 are attracted, so that the base is not in the light-emitting area of ​​the first lens assembly 1. The first lens assembly 1 does not overlap with the base, which can reduce the thickness of the entire camera module, and then reduce the overall thickness of the mobile phone, making the mobile phone more light and portable, and more beautiful in appearance.

[0071] like Figure 5 As shown, when the first lens assembly 1 is needed to take a photo, the first driving assembly is started to drive the light incident side of the first lens assembly 1 to extend outward from the first viewfinder 71. Then, a current of a set magnitude and in a reverse direction is passed into the electromagnetic coil 53, so that the polarity of the side corresponding to the electromagnet and the permanent magnet 54 is the same, so as to drive the base to move to the light exit area of ​​the first lens assembly 1, so that the image sensor 3 and the first lens assembly 1 are aligned, so that the light passing through the first lens assembly 1 can be converged on the image sensor 3, and the image sensor 3 processes the image information.

[0072] Embodiment 3

[0073] like Figure 6 and Figure 7 As shown, this embodiment discloses an electronic device, and the difference between this embodiment and the first embodiment lies in the specific structure of the camera module and the viewfinder. On the basis of the first embodiment, the viewfinder further includes at least one second viewfinder 72, and the camera module further includes at least one second lens assembly 2, the second lens assembly 2 is located on one side of the first lens assembly 1 and is aligned with the second viewfinder 72 one by one, and the sum of the thickness of the second lens assembly 2 and the base is less than the thickness of the first lens assembly 1.

[0074] The second lens assembly 2 also includes a housing and an optical lens group installed in the housing. The light-entering side of the second lens assembly 2 is located in the second viewfinder 72. The housing of the second lens assembly 2 is bonded to the battery cover 7 so that external light can enter the optical lens group of the second lens assembly 2. The housing of the second lens assembly 2 can also be snapped into the second viewfinder 72, or a connecting rod is fixed to the housing of the second lens assembly 2, and the connecting rod is fixedly connected to the battery cover 7 so that the second lens assembly 2 can be fixed in the second viewfinder 72.

[0075] The second lens assembly 2 can be one or more, and the second connection contacts are installed at the positions corresponding to the second lens assemblies 2 in the groove, and the second connection contacts are electrically connected to the mainboard. The contact claw contacts one of the second connection contacts, and the image information obtained by the corresponding second lens assembly 2 can be transmitted to the main processor of the mobile phone through the circuit board. When there are more than one second lens assembly 2, the second lens assembly 2 can be lenses with different functions, such as wide-angle lenses, macro lenses, etc., to enrich the camera function of the camera module.

[0076] Multiple second viewfinders 72 can be arranged linearly. In this case, the driving motor 55 is a linear driving motor. The driving motor 55 and the second driving rod 51 are located on the side of the second lens assembly 2 facing away from the first lens assembly 1. The driving motor 55 and the second driving rod 51 can drive the base to move to the light exit area of ​​the first lens assembly 1 to align the image sensor 3 with the first lens assembly 1. The driving motor 55 and the second driving rod 51 can drive the base to move to the light exit area of ​​one of the second lens assemblies 2 to align the image sensor 3 with the second lens assembly 2 to achieve shooting of corresponding functions.

[0077] like Figure 6As shown, in the initial state, the first lens assembly 1 is retracted in the first viewfinder 71, and the base is located in the light-emitting area of ​​one of the second lens assemblies 2, so that the light passing through the second lens assembly 2 and the filter can converge on the image sensor 3. When it is necessary to use the second lens assembly 2 to take a photo, the image sensor 3 converts the received light signal into an electrical signal, and then transmits it to the main processor of the mobile phone through the circuit board for processing to form a picture. Since the sum of the thickness of the second lens assembly 2 and the base is less than the thickness of the first lens assembly 1, adding the second lens assembly 2 will not increase the thickness of the camera module, which is conducive to the thin and light design of the mobile phone. And by adding the second lens assembly 2, the camera module can be adapted to the needs of different shooting scenes, the imaging quality of the camera module is improved, and the camera function of the mobile phone is improved.

[0078] like Figure 7 As shown, when the first lens assembly 1 is needed to take a photo, the linear motor 43 is started to drive the light incident side of the first lens assembly 1 to extend outward from the first viewfinder 71, and then the drive motor 55 is started to drive the base to move to the light exit area of ​​the first lens assembly 1, so that the image sensor 3 is aligned with the first lens assembly 1. External light passes through the first lens assembly 1 and the filter and converges on the image sensor 3. The image sensor 3 converts the received light signal into an electrical signal, which is then transmitted to the main processor of the mobile phone through the circuit board for processing to form a picture.

[0079] By cooperating with the first driving assembly and the second driving assembly, the first lens assembly 1 and the second lens assembly 2 can share an image sensor 3, saving production costs. It is also possible to use a higher quality image sensor 3 without changing the cost, so that the images collected by the first lens assembly 1 and the second lens assembly 2 have a higher imaging effect, thereby improving the photography effect of the mobile phone.

[0080] Embodiment 4

[0081] like Figure 8 As shown, this embodiment discloses an electronic device, and the difference between this embodiment and the third embodiment lies in the arrangement of the second lens assembly 2, the specific structure of the second drive assembly and the moving direction of the base. On the basis of the third embodiment, the second drive assembly includes a drive motor 55 and a second drive rod 51, and the drive motor is a stepping drive motor. The drive motor 55 is mounted on the battery cover 7, the second drive rod 51 is arranged perpendicular to the axis of the output shaft of the drive motor 55, and is fixedly connected to the output shaft of the drive motor 55, and the image sensor 3 is fixedly connected to the end of the second drive rod 51 away from the drive motor 55, and the drive motor 55 can drive the second drive rod 51 and the base to rotate around the output shaft of the drive motor 55.

[0082] The first lens assembly 1 and the plurality of second lens assemblies 2 are arranged around the output shaft of the driving motor 55, and the distance between the optical axis of the first lens assembly 1 and each second lens assembly 2 and the output shaft of the driving motor 55 is equal to the distance between the central axis of the base and the output shaft of the driving motor 55. The driving motor 55 is started to rotate the second driving rod 51 by a set angle, so that the base can be moved to the light exit area of ​​the first lens assembly 1 or the light exit area of ​​each second lens assembly 2.

[0083] The guide groove can be adapted to be an arc shape to guide the base so that the base can move more stably, thereby improving the imaging effect of the camera module.

[0084] In the initial state, the first lens assembly 1 is retracted in the first viewfinder 71, and the base is located in the light exit area of ​​one of the second lens assemblies 2, so that the light passing through the second lens assembly 2 and the filter can converge on the image sensor 3. When it is necessary to use the second lens assembly 2 to take a photo, the image sensor 3 converts the received light signal into an electrical signal, and then transmits it to the main processor of the mobile phone through the circuit board for processing to form a picture. Since the sum of the thickness of the second lens assembly 2 and the base is less than the thickness of the first lens assembly 1, adding the second lens assembly 2 will not increase the thickness of the camera module, which is conducive to the thin and light design of the mobile phone.

[0085] When the first lens assembly 1 is needed to take a photo, the linear motor 43 is started to drive the light incident side of the first lens assembly 1 to extend outward from the first viewfinder 71, and then the drive motor 55 is started to rotate the base to the light exit area of ​​the first lens assembly 1, so that the image sensor 3 is aligned with the first lens assembly 1. External light passes through the first lens assembly 1 and the filter and converges on the image sensor 3. The image sensor 3 converts the received light signal into an electrical signal, which is then transmitted to the main processor of the mobile phone through the circuit board for processing to form a picture.

[0086] By cooperating with the first driving assembly and the second driving assembly, the first lens assembly 1 and the second lens assembly 2 can share one image sensor 3, thereby saving production costs.

[0087] So far, the technical solutions of the present application have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present application is obviously not limited to these specific embodiments. Without departing from the principles of the present application, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present application.

Claims

1. A camera module, characterized in that: The device comprises a first lens assembly, a base, a first driving assembly and a second driving assembly, wherein the base comprises an image sensor, and an output end of the first driving assembly is fixedly connected to the first lens assembly, and is used to drive the first lens assembly to approach or move away from the image sensor along a first direction, wherein the first direction is the optical axis direction of the first lens assembly; The output end of the second driving assembly is fixedly connected to the image sensor, and is used to drive the image sensor to move along a second direction, where the second direction is perpendicular to the optical axis direction of the first lens assembly, so that the image sensor can move to the light exiting area of ​​the first lens assembly, so that the light passing through the first lens assembly can converge on the image sensor; The second driving assembly can also move the image sensor out of the light exit area of ​​the first lens assembly to make way for the first lens assembly, so that the first lens assembly can move along the first direction to the making way position.

2. The camera module according to claim 1, characterized in that: The first driving assembly includes a linear motor, a first driving rod and a connecting plate, the output shaft of the linear motor is fixedly connected to the first driving rod, one end of the connecting plate is fixedly connected to the first driving rod, and the other end of the connecting plate is fixedly connected to the first lens assembly, and the linear motor is used to drive the first driving rod to move along a first direction to make the first lens assembly approach or move away from the image sensor.

3. The camera module according to claim 1, characterized in that: The first driving assembly includes a driving motor, a lead screw, a guide rod, and a slider threadedly connected to the lead screw, and the slider is connected to the first lens assembly; The guide rod is arranged parallel to the lead screw and slides through the slider. The output shaft of the drive motor is fixedly connected to the lead screw. The drive motor can drive the lead screw to rotate and move the slider along a first direction to move the first lens assembly closer to or away from the image sensor.

4. The camera module according to claim 1, characterized in that: The second driving assembly includes a driving motor and a second driving rod, the output shaft of the driving motor is fixedly connected to the second driving rod, and the second driving rod is fixedly connected to the image sensor so that the image sensor can move along the second direction.

5. The camera module according to claim 1, characterized in that: The second driving assembly includes a first magnetic member and a second magnetic member, the second magnetic member is disposed on the image sensor, and when the magnetic poles of the first magnetic member and the second magnetic member corresponding to one side are opposite, the first magnetic member and the second magnetic member are attracted to each other, and the image sensor can be driven to move out of the light exit area of ​​the first lens assembly; When the magnetic poles of the first magnetic member and the second magnetic member corresponding to one side are the same, the first magnetic member and the second magnetic member repel each other, and the image sensor can be driven to move to the light exit area of ​​the first lens assembly.

6. The camera module according to claim 4, characterized in that: The first magnetic member is an electromagnet, and the second magnetic member is an electromagnet or a permanent magnet; or The second magnetic component is an electromagnet, and the first magnetic component is an electromagnet or a permanent magnet.

7. The camera module according to claim 1, characterized in that: It also includes at least one second lens assembly, which is located on one side of the first lens assembly. The second driving assembly can also drive the image sensor to move to the light exit area of ​​the second lens assembly so that the light passing through the second lens assembly can converge on the image sensor.

8. An electronic device, characterized in that: The electronic device comprises: Middle frame; A battery cover, wherein a viewfinder hole is provided on the battery cover, the battery cover is located on one side of the middle frame and connected to the middle frame, and a receiving space is formed between the battery cover and the middle frame; The camera module as described in any one of claims 1 to 7, wherein the camera module is located in the accommodating space, and the light incident side of the camera module is aligned with the viewfinder.

9. The electronic device according to claim 8 as recited in any one of claims 2 to 6, characterized in that The viewfinder includes a first viewfinder, the first lens assembly is aligned with the first viewfinder, and the light-emitting side of the first lens assembly is in contact with the middle frame; The first driving assembly is connected to the first lens assembly and is capable of driving the light incident side of the first lens assembly to extend outward from the first viewfinder hole or to retract to the first viewfinder hole; The image sensor is movably placed on the middle frame and is located on one side of the first lens assembly. When the light incident side of the first lens assembly extends out of the first viewfinder, the second driving assembly drives the image sensor to move to the light exit area of ​​the first lens assembly so that the light passing through the first lens assembly can converge on the image sensor.

10. The electronic device according to claim 8 as referenced by claim 7, characterized in that The viewfinder includes a first viewfinder and at least one second viewfinder, the first lens assembly is aligned with the first viewfinder, and the light-emitting side of the first lens assembly is in contact with the middle frame; The first driving assembly is connected to the first lens assembly and is capable of driving the light incident side of the first lens assembly to extend outward from the first viewfinder hole or to retract to the first viewfinder hole; The second lens assembly is aligned with the second viewfinder, and the image sensor is movably placed on the middle frame; when the second driving assembly drives the image sensor to move to the light exiting area of ​​the second lens assembly, the light passing through the second lens assembly can be converged on the image sensor; When the light incident side of the first lens assembly extends out of the first viewfinder, the second driving assembly drives the image sensor to move to the light exit area of ​​the first lens assembly, so that the light passing through the first lens assembly can be converged on the image sensor.

Images