CN210246879U

CN210246879U - Camera module and electronic equipment

Info

Publication number: CN210246879U
Application number: CN201921287490.2U
Authority: CN
Inventors: Bing Zhang; 张兵; Zaiyu An; 安在煜; Qiang Li; 李强
Original assignee: Nanchang OFilm Optoelectronics Technology Co Ltd
Current assignee: Nanchang OFilm Tech Co Ltd; Nanchang OFilm Optoelectronics Technology Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-03
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to a module and electronic equipment make a video recording, this module of making a video recording includes: a substrate; an image sensor disposed on the substrate; a lens mount disposed on the substrate; the lens assembly is arranged on the lens seat and is opposite to the image sensor; the lens assembly is provided with a zoom lens module which can deform so as to change the focal length of the lens assembly; and the anti-shake component is arranged on the lens mount, is connected with the zoom lens module and is used for driving the zoom lens module to move so as to realize optical anti-shake. The utility model provides a module of making a video recording, anti-shake subassembly zoom lens module through in the drive lens subassembly and remove and realize optics anti-shake, can reduce the consumption of the module of making a video recording.

Description

Camera module and electronic equipment

Technical Field

The utility model relates to a camera field especially relates to a module and electronic equipment make a video recording.

Background

With the rapid development of information technology, terminal products (such as smart phones, tablet computers and the like) are used by more and more people. In order to improve competitiveness, the integrated function on the terminal product is stronger and stronger, and the module of just taking a video camera can not only realize automatic focusing, can also carry out optics anti-shake. However, most of the existing camera modules realize optical anti-shake by driving the whole lens to move, and the power consumption is large.

SUMMERY OF THE UTILITY MODEL

The utility model provides a module and electronic equipment make a video recording aims at solving the great problem of consumption when the module of making a video recording realizes optical anti-shake.

A camera module, comprising: a substrate; an image sensor disposed on the substrate; a lens mount disposed on the substrate; the lens assembly is arranged on the lens seat and is opposite to the image sensor; the lens assembly is provided with a zoom lens module which can be electrified to deform so as to change the focal length of the lens assembly; and the anti-shake component is arranged on the lens mount, is connected with the zoom lens module and is used for driving the zoom lens module to move so as to realize optical anti-shake.

The utility model provides a module of making a video recording, anti-shake subassembly zoom lens module through in the drive lens subassembly and remove and realize optics anti-shake, can reduce the consumption of the module of making a video recording.

Further, the zoom lens module includes: the supporting plate is arranged on the anti-shake component; a light transmissive film disposed on the support plate; the piezoelectric body is arranged on the light transmission film and can drive the light transmission film to deform after being electrified. In this scheme, utilize the piezoelectricity to drive printing opacity membrane deformation not only can drive lens subassembly deformation more conveniently, can also reduce the use of the corresponding mechanical component of module of making a video recording, do benefit to the production equipment of the module of making a video recording.

Furthermore, the zoom lens module further comprises a filling block arranged between the support plate and the light-transmitting film, and the filling block can fill a gap between the light-transmitting film and the support plate when the light-transmitting film deforms, so that the light-transmitting film is better supported.

Further, the anti-shake assembly includes: the supporting plate is arranged on the base; one end of the first elastic sheet is connected with the base, and the other end of the first elastic sheet is connected with the lens mount, so that the base can move relative to the lens mount; the bottom plate is arranged on the lens mount and is opposite to the base; the base is provided with a first magnetic unit, the base is provided with a second magnetic unit, at least one of the first magnetic unit and the second magnetic unit is an electromagnetic unit, and the base can be driven to move through the matching of the first magnetic unit and the second magnetic unit, so that the zoom lens module moves.

Furthermore, the base is provided with a fixing hole, and the zoom lens module is embedded in the fixing hole, so that the miniaturization design of the camera module is facilitated; and/or the bottom plate is provided with an avoiding hole so as to avoid blocking light from propagating from the zoom lens module to the image sensor.

Furthermore, the camera module further comprises a light steering assembly, the light steering assembly is arranged at one end, away from the lens mount, of the anti-shake assembly, and the light steering assembly is used for adjusting the light propagation direction so that the light can penetrate through the zoom lens module to be propagated to the image sensor, so that the camera module can be conveniently used on terminal products such as smart phones, and the thin design of the terminal products is facilitated.

Further, the base comprises a first surface and a second surface which are arranged oppositely, and the first elastic sheet is arranged on the first surface of the base; the anti-shake assembly further comprises a second elastic sheet, one end of the second elastic sheet is arranged on the second surface of the base, and the other end of the second elastic sheet is connected with the light steering assembly. This kind of mode of setting can make the installation of base more stable, and simultaneously, the lens module setting that zooms is between light turns to subassembly and lens mount, can make things convenient for the equipment of the module of making a video recording more.

Further, the anti-shake assembly further comprises a connecting seat, wherein the connecting seat is provided with a first surface and a second surface which are arranged oppositely, and an accommodating hole which penetrates from the first surface of the connecting seat to the second surface of the connecting seat; the first surface of the connecting seat is connected with the lens seat, the second surface of the connecting seat is connected with the light steering component, and the base is located in the accommodating hole. In this scheme, the connecting seat is equivalent to an outer frame that is used for acceping components and parts such as base, need not to set up the installation position that is used for holding components and parts such as base on lens mount or light turns to the subassembly like this, makes things convenient for the production of the module of making a video recording more.

Furthermore, the camera module further comprises a focusing assembly for adjusting the distance between the lens assembly and the image sensor, so that the camera module can be focused, and the imaging quality of the camera module is improved.

The utility model also provides an electronic equipment, this electronic equipment include as above arbitrary one the module of making a video recording. Therefore, optical anti-shake can be realized by driving the zoom lens module in the lens assembly to move, and the power consumption of the camera module can be reduced.

Drawings

Fig. 1 is a schematic view of an overall structure of a camera module according to the present invention;

fig. 2 is a schematic sectional view of a camera module according to the present invention;

fig. 3 is a schematic view of the assembly of the camera module according to the present invention;

fig. 4 is another view angle assembly diagram of the camera module according to the present invention;

fig. 5 is a schematic view of an initial state of a zoom lens module of the camera module according to the present invention;

fig. 6 is a schematic diagram of a deformation state of the zoom lens module of the camera module according to the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, in the embodiment provided by the present invention, the camera module includes a substrate 1, an image sensor 2, a lens mount 3, a lens assembly 4, and a light turning assembly 5. The lens holder 3 has a first surface 31 and a second surface 32 opposite to each other, and a mounting hole 33 penetrating from the first surface 31 of the lens holder 3 to the second surface 32 of the lens holder 3, the first surface 31 of the lens holder 3 being connected to the substrate 1. The image sensor 2 is disposed on the substrate 1 and is located in the mounting hole 33. The lens assembly 4 is mounted on the lens holder 3 and opposite to the image sensor 2, wherein the lens assembly 4 can be deformed to adjust a focal length. The light diverting assembly 5 is connected to the lens holder 3 for adjusting the light propagation direction so that the light propagates to the lens assembly 4 and then from the lens assembly 4 to the image sensor 2.

In the present embodiment, the substrate 1 may be a circuit board, such as a PCB board, an FPC board, or the like. The first surface 31 of the lens holder 3 may be fixed to the substrate 1 by means of gluing or the like.

Referring to fig. 1 and 2, in the present embodiment, the light diverting assembly 5 includes a mounting seat 51 connected to the lens holder 3, and a prism 52 mounted on the mounting seat 51, and light can be diverted by 90 degrees through the prism 52 and then be taken into the lens assembly 4. Specifically, as shown in fig. 3 and 4, in the present embodiment, the prism 52 is a triangular prism, and the mount 51 is provided with a prism mounting groove 511, wherein a side wall of the prism mounting groove 511 opposite to the lens assembly 4 is provided with a light passing hole 512, wherein the passing hole 512 is a through hole penetrating through the side wall. It is understood that the light diverting assembly 5 is mainly used to adjust the propagation path of the light, so in other embodiments, the camera module may not be provided with the light diverting assembly 5.

Referring to fig. 2 and 3, in the present embodiment, the lens assembly 4 includes: a fixed focus lens module 41 and a zoom lens module 42. The fixed focus lens module 41 has a fixed focal length and a plurality of oppositely disposed lenses 411, and each lens 411 is installed in the lens holder 3 and is opposite to the image sensor 2. The zoom lens module 42 is disposed between the lens mount 3 and the light turning assembly 5, and is opposite to the image sensor 2, wherein the zoom lens module 42 can be deformed by being energized to change a focal length. In this embodiment, the fixed focus lens module 41 is located between the zoom lens module 42 and the image sensor 2, and the light beam is transmitted from the light turning component 5, enters the zoom lens module 42, then propagates to the fixed focus lens module 41, and finally propagates from the fixed focus lens module 41 to the image sensor 2. It is understood that in other embodiments, the zoom lens module 42 may be disposed between the fixed focus lens module 41 and the image sensor 2, or the zoom lens module 42 may be disposed between two adjacent lens pieces 411 of the fixed focus lens module 41.

Referring to fig. 5 and 6, in the present embodiment, the zoom lens module 42 includes a support plate 421, a light transmissive film 422, and a piezoelectric body 423. Wherein the supporting plate 421 can be a glass plate, etc. and is connected to the lens holder 3; the light-transmitting film 422 may be a glass film or the like, and is disposed on the support plate 421; the piezoelectric body 423 can be a piezoelectric ceramic film and is arranged on the light transmission film 422, and the piezoelectric body 423 can deform after being electrified, so that the light transmission film 422 is driven to deform, and the focal length of the light transmission film 422 is changed.

As shown in fig. 5, in the present embodiment, the light-transmissive film 422 is a flat plate in the initial state, and at this time, light is not refracted when passing through the light-transmissive film 422, and as shown in fig. 6, when a voltage is applied to the piezoelectric body 423, the light-transmissive film 421 is driven to bend and deform, so as to change the focus point of the light. Meanwhile, the focus point of the light can be adjusted by controlling the magnitude of the voltage difference applied to the piezoelectric body 423.

In the present embodiment, the supporting plate 421 is a light-transmitting plate, and mainly used for supporting the light-transmitting film 422. In order to better support the light transmissive film 422, as shown in fig. 5 and 6, the zoom lens module 42 further includes a filling block 424, and the filling block 424 is disposed between the support plate 421 and the light transmissive film 422 and can fill a gap between the light transmissive film 422 and the support plate 421 when the light transmissive film 422 is deformed. In fact, the filling block 424 is made of a polymer material and has a certain elasticity, and when the light-transmissive film 422 deforms, the filling block 424 is also deformed by a force so as to be in close contact with the light-transmissive film 422, thereby avoiding a gap between the filling block and the light-transmissive film 422. Of course, in other embodiments, the supporting plate 421 can also be an opaque plate, and in this case, the supporting plate 421 is provided with a corresponding light-passing hole, so that the light emitted from the light converter can be transmitted to the light-transmitting film 422.

In addition, in this embodiment, the supporting plate 421 may further be provided with a corresponding filter to filter out stray light, so as to improve the imaging effect, for example, an infrared filter membrane is provided. Of course, the supporting board 421 itself may also have a light filtering function, for example, the supporting board 421 may adopt blue glass to filter infrared light.

As shown in fig. 2, in the present embodiment, the camera module further includes an anti-shake assembly 6, the anti-shake assembly 6 is connected to the zoom lens module 42, and the anti-shake assembly 6 is used for moving the zoom lens module 42 to achieve optical anti-shake. And simultaneously, the utility model discloses in, because the weight of zoom lens module 42 compares and decides burnt lens module 41 and the weight is lighter, so compare in the mode that realizes the anti-shake through the removal of drive fixed focus lens module 42, this scheme not only can reduce the consumption, can also use less size magnet and coil, is favorable to the miniaturized design of the module of making a video recording.

Referring to fig. 3 and 4, in the present embodiment, the anti-shake assembly 6 includes a base 61, a first elastic sheet 62, a second elastic sheet 63, and a bottom plate 64. Wherein the zoom lens module 42 is disposed on the base 61; the first elastic sheet 62 is arranged between the base 61 and the lens holder 3, so that the base 61 can move relative to the lens holder 3; the second elastic sheet 63 is disposed between the base 61 and the light turning assembly 5, so that the base 61 can move relative to the light turning assembly 5. The bottom plate 64 is opposite to the base 61, the first magnetic unit 65 is disposed on the bottom plate 64, the second magnetic unit 66 is disposed on the base 61, and at least one of the first magnetic unit 65 and the second magnetic unit 66 is an electromagnetic unit, and the base 61 can be driven to move by the cooperation of the first magnetic unit 65 and the second magnetic unit 66, so that the zoom lens module 42 can move. In addition, in the present embodiment, the number of the first magnetic units 65 and the number of the second magnetic units 66 are four, and the four second magnetic units 66 are uniformly arranged on the base 61.

Referring to fig. 2 to 5, in the present embodiment, the base 61 has a first surface 611 and a second surface 612 that are opposite to each other, and a fixing hole 613 penetrating from the first surface 611 to the second surface 612 of the base. Wherein the first surface 611 of the base is opposite to the second surface 32 of the lens holder and the second surface 612 of the base is opposite to the light diverting assembly 5. In addition, the zoom lens module 42 is embedded in the fixing hole 613 so as to reduce the length of the entire camera module. In this embodiment, the supporting plate 421 of the zoom lens module 42 is actually embedded in the fixing hole 613.

In addition, the first surface 611 of the base is provided with four first supporting blocks 67a, the four first supporting blocks 67a are uniformly arranged around the fixing hole 613, and the second surface 612 of the base is provided with four second supporting blocks 67 b. The second surface 32 of the lens holder is provided with four third supporting blocks 34, the third supporting blocks 34 correspond to the first supporting blocks 67a one by one, the number of the first elastic sheets 62 is four, and two ends of each first elastic sheet 62 are respectively connected with the corresponding third supporting block 34 and the corresponding first supporting block 67 a. The surface of the mounting seat 51 of the light turning assembly 5 opposite to the first surface of the base 61 is provided with four fourth supporting blocks 53, the fourth supporting blocks 53 correspond to the second supporting blocks 67b one by one, the number of the second elastic sheets 63 is also four, and two ends of each second elastic sheet 63 are respectively connected with the corresponding fourth supporting blocks 53 and the second supporting blocks 67 b. In addition, in the present embodiment, the first supporting blocks 67a and the second supporting blocks 67b correspond one to one, and the projections of the corresponding first supporting blocks 67a and the second supporting blocks 67b on the first surface of the base 61 are overlapped.

Referring to fig. 2, 3 and 4, in the present embodiment, the anti-shake assembly 6 further includes a connecting seat 68, the connecting seat 68 has a first surface 681 and a second surface 682 which are opposite to each other, and a receiving hole 683 which extends from the first surface 681 to the second surface 682 of the connecting seat. The first surface 681 of the connecting base is connected to the lens holder 3, the second surface 682 of the connecting base is connected to the mounting base 51, and the base 61, the bottom plate 64, and the zoom lens module 42 are disposed in the receiving hole 683.

In the above embodiment, the fixing hole 613 is a through hole so as to pass the light into the zoom lens module 42 through the base 61. It is understood that in other embodiments, the fixing hole 613 may be a blind hole when the base 61 is a light-transmitting seat.

In the present embodiment, the bottom plate 64 is a circuit board, and the circuit board is mounted on the second surface 32 of the lens holder, and in order to prevent light from being blocked from propagating from the zoom lens module 42 to the image sensor 2, the circuit board is further provided with an avoiding hole 641. It is understood that when the bottom plate 64 is a light-transmissive bottom plate 64, the avoiding hole 641 may not be provided.

In addition, when the bottom plate 64 is a circuit board, for the sake of production convenience, in the present embodiment, the first magnetic unit 65 is an electromagnetic unit such as an electromagnetic coil, and a permanent magnet may be used for the second magnetic unit 66. Of course, in other embodiments, the first magnetic unit 65 may be a permanent magnet, the second magnetic unit 66 may be an electromagnetic unit such as an electromagnetic coil, or both the first magnetic unit 65 and the second magnetic unit 66 may be electromagnetic units such as electromagnetic coils. In addition, when the base plate 64 is a circuit board, corresponding lead wires may be drawn from the circuit board, and the pair of piezoelectric bodies 423 are supplied with power, for the sake of production convenience.

Referring to fig. 3 and 4, in the present embodiment, the bottom plate 64 is further provided with a hall sensor 69a, the base 61 is provided with a hall magnet 69b, and the offset of the base 61 can be detected through the cooperation of the hall sensor 69a and the hall magnet 69b, so that the first magnetic unit 65 and the second magnetic unit 66 cooperate to correct the position of the base 61.

Referring to fig. 3 and 4, in the present embodiment, the image capturing module further includes a filter 7, where the filter 7 is opposite to the image sensor 2 and is used for filtering light propagating to the image sensor 2. Specifically, in the present embodiment, the filter 7 is an infrared filter that is mounted on the lens holder 3 and is located between the fixed focus lens module 41 and the image sensor 2. Specifically, referring to fig. 2, in the present embodiment, the mounting hole 33 is a stepped hole, wherein a large hole of the stepped hole is opened from the first surface 31 and extends toward the second surface 32 side. The fixed focus lens module 41 is arranged in the small hole of the stepped hole, and the infrared filter is arranged in the large hole of the stepped hole and attached to the stepped surface of the stepped hole. It is understood that in other embodiments, the infrared filter may be disposed elsewhere, such as between the fixed focus lens module 41 and the zoom lens module 42. Of course, the filter 7 may be a lens for filtering other light according to actual conditions.

In this embodiment, the camera module further includes a focusing assembly, and the focusing assembly is configured to adjust a distance between the lens assembly 4 and the image sensor 2, so as to achieve focusing of the camera module. Specifically, in the present embodiment, the focusing assembly includes a voice coil motor, a fixed portion of the voice coil motor is connected to the lens holder 3, and a moving portion of the voice coil motor is connected to the lens assembly 4; when the voice coil motor works, the moving part of the voice coil motor can drive the lens component 4 to be close to or far away from the image sensor 2. That is, the image pickup module realizes focusing by driving the movement of the lens unit 4, and in the present embodiment, only the fixed focus lens module 41 may be attached to the moving part of the voice coil motor. It is understood that in other embodiments, other driving elements may be used to drive the image sensor 2 to move for focusing.

The utility model also provides an electronic equipment, this electronic equipment have used above-mentioned arbitrary embodiment the module of making a video recording, can control lens subassembly 4 through corresponding controller and produce deformation when needs to can really realize zooming, improve the shooting effect of the module of making a video recording, simultaneously, when the module of making a video recording is periscopic camera module, the module of making a video recording has when the light turns to the subassembly promptly, still is favorable to electronic equipment's slim design. In this embodiment, the controller may be a processor of an electronic device, and the electronic device may be a smart phone, a tablet computer, or the like.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

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

a substrate;

an image sensor disposed on the substrate;

a lens mount disposed on the substrate;

the lens assembly is arranged on the lens seat and is opposite to the image sensor; the lens assembly is provided with a zoom lens module which can deform so as to change the focal length of the lens assembly;

and the anti-shake component is arranged on the lens mount, is connected with the zoom lens module and is used for driving the zoom lens module to move so as to realize optical anti-shake.

2. The camera module of claim 1, wherein the zoom lens module comprises:

the supporting plate is arranged on the anti-shake component;

a light transmissive film disposed on the support plate;

the piezoelectric body is arranged on the light transmission film and can drive the light transmission film to deform after being electrified.

3. The camera module of claim 2, wherein the zoom lens module further comprises a filling block disposed between the support plate and the transparent film, the filling block being capable of filling a gap between the transparent film and the support plate when the transparent film is deformed.

4. The camera module of claim 2, wherein the anti-shake assembly comprises:

the supporting plate is arranged on the base;

one end of the first elastic sheet is connected with the base, and the other end of the first elastic sheet is connected with the lens mount, so that the base can move relative to the lens mount;

the bottom plate is arranged on the lens mount and is opposite to the base; the base is provided with a first magnetic unit, the base is provided with a second magnetic unit, at least one of the first magnetic unit and the second magnetic unit is an electromagnetic unit, and the base can be driven to move through the matching of the first magnetic unit and the second magnetic unit, so that the zoom lens module moves.

5. The camera module according to claim 4, wherein the base has a fixing hole, and the zoom lens module is embedded in the fixing hole; and/or

The bottom plate is provided with a dodging hole so as to prevent light from being blocked from being transmitted to the image sensor from the zoom lens module.

6. The camera module of claim 4, further comprising a light turning assembly disposed at an end of the anti-shake assembly away from the lens holder, wherein the light turning assembly is configured to adjust a light propagation direction so that the light can propagate through the zoom lens module to the image sensor.

7. The camera module according to claim 6, wherein the base includes a first surface and a second surface opposite to each other, and the first resilient piece is disposed on the first surface of the base;

the anti-shake assembly further comprises a second elastic sheet, one end of the second elastic sheet is arranged on the second surface of the base, and the other end of the second elastic sheet is connected with the light steering assembly.

8. The camera module according to claim 7, wherein the anti-shake assembly further comprises a connecting base having a first surface and a second surface opposite to each other, and a receiving hole penetrating from the first surface to the second surface of the connecting base;

the first surface of the connecting seat is connected with the lens seat, the second surface of the connecting seat is connected with the light steering component, and the base is located in the accommodating hole.

9. The camera module of claim 1, further comprising a focusing assembly for adjusting a spacing between the lens assembly and the image sensor to achieve focusing of the camera module.

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