CN209994463U - Zoom camera module and mobile terminal - Google Patents

Abstract

The utility model provides a zoom camera module and mobile terminal, zoom camera module and include camera lens, image sensor and set up the base plate in image sensor below, a serial communication port, image sensor is located the camera lens below, image sensor deviates from the one side of camera lens is provided with piezoelectricity deformation subassembly, image sensor with piezoelectricity deformation subassembly laminating is in the same place, piezoelectricity deformation subassembly with the base plate links to each other and is in piezoelectricity deformation subassembly with reserve the confession between the base plate piezoelectricity deformation subassembly takes place the space of deformation. The utility model discloses a zoom and make a video recording the module and drive deformation or motion around the image sensor through the piezoelectricity deformation subassembly deformation of the regional department of automatically controlled control image sensor, change the distance between sensor and the camera lens and realize zooming, can reduce the size of camera module greatly to this zoom and make a video recording the module and be used for zooming a little of camera, it zooms the accuracy and can be higher.

Description

Zoom camera module and mobile terminal

Technical Field

The utility model relates to a camera technical field especially relates to a zoom camera module and mobile terminal.

Background

In the prior art, two methods for realizing zooming of a camera of an intelligent terminal device are mainly used, one method is digital zooming in which a voice coil motor drives a lens to realize zooming, and the other method is optical zooming in which switching is performed through different lenses.

With the development of the current camera module technology and the development requirement of the light and thin product, the size of the traditional automatic zooming (AF) camera module is limited by the influence of a mechanical structure, such as the height of a motor body, and the development of the camera module towards miniaturization and light weight is increasingly restricted.

Meanwhile, with the development of an industrial large wide-angle and fisheye camera module, although the conventional Fixed-Focus (FF) camera module has a great advantage in size, it cannot meet the market demand because zooming cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a zoom camera module to solve the big problem of camera module size of zooming in the prior art automatically.

The utility model discloses a zoom camera module, including camera lens, image sensor and the base plate of setting in the image sensor below, image sensor is located the camera lens below, image sensor deviates from the one side of camera lens is provided with piezoelectricity deformation subassembly, image sensor with piezoelectricity deformation subassembly laminating is in the same place, piezoelectricity deformation subassembly with the base plate links to each other and is in piezoelectricity deformation subassembly with reserve the confession between the base plate piezoelectricity deformation subassembly takes place the space of deformation.

In one embodiment, the piezoelectric deformation component comprises a piezoelectric deformation main body and a piezoelectric deformation component circuit, one side of the imaging sensor, which deviates from the lens, is attached to the piezoelectric deformation main body, and the piezoelectric deformation component circuit is connected with the substrate.

In one embodiment, the piezoelectric deformation assembly further comprises a first support, one surface of the piezoelectric deformation main body, which is away from the imaging sensor, is fixed on the first support, a space for the piezoelectric deformation main body to deform is reserved between the piezoelectric deformation main body and the first support, and the support is fixed on the substrate.

In one embodiment, a groove is formed in the substrate, and the piezoelectric deformation component is disposed above the groove and fixedly connected to the substrate.

In one embodiment, the piezoelectric deformation body is an inorganic piezoelectric deformation material.

In one embodiment, the piezoelectric deformation body is a piezoelectric ceramic sheet or a piezoelectric crystal sheet.

In one embodiment, the zoom camera module further comprises an IR filter disposed between the lens and the imaging sensor.

In one embodiment, the zoom camera module further comprises a second support, the IR filter is fixed on the second support, and the second support is fixed on the substrate.

The utility model also provides a mobile terminal, zoom the module of making a video recording including foretell.

In one embodiment, the piezoelectric deformation component circuit of the zoom camera module is led out to the connector of the mobile terminal through a flexible circuit board.

Compared with the prior art, the utility model discloses a zoom camera module and mobile terminal, through deformation or motion around the piezoelectricity deformation subassembly deformation drive image sensor of the regional department of automatically controlled control image sensor, change the distance between image sensor and the camera lens and realize zooming, can reduce the size of camera module greatly. Additionally, the utility model discloses a module of making a video recording zooms, only be used for zooming a little of camera, and can not zoom by a wide margin, it zooms the accuracy higher.

The technical features mentioned above can be combined in various technically feasible ways to produce new embodiments, as long as the objects of the invention are achieved.

Drawings

The invention will be described in more detail hereinafter on the basis of non-limiting examples only and with reference to the accompanying drawings. Wherein:

fig. 1 shows a schematic structural diagram of an embodiment 1 of the zoom camera module of the present invention;

FIG. 2 shows a top cross-sectional view of the zoom camera module shown in FIG. 1;

FIG. 3 shows a front view of the zoom camera module of FIG. 1;

fig. 4 shows a schematic structural diagram of embodiment 2 of the zoom camera module of the present invention;

FIG. 5 shows a top cross-sectional view of the zoom camera module shown in FIG. 4;

fig. 6 shows a front view of the zoom camera module shown in fig. 4.

In the drawings, like components are denoted by like reference numerals. The figures are not drawn to scale.

Wherein the reference numerals, which are given,

100. a zoom lens module; 1. lens cone, 2, lens base; 3. an IR filter; 4. a second bracket; 5. an imaging sensor; 6. a piezoelectric deformation component; 61. a piezoelectric deformation body; 62. a first bracket; 7. a substrate; 71. a groove; 8. a lens; 9. a flexible wiring board.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples. It should be noted that, as long as no conflict is formed, the embodiments and the features in the embodiments of the present invention may be combined with each other, and the technical solutions formed are all within the scope of the present invention.

The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.

Example 1

As shown in fig. 1-3, an embodiment of a zoom camera module 100 of the present invention comprises a lens barrel 1, an imaging sensor 5 and a substrate 8, wherein at least one lens 8 is disposed in the lens barrel 1, the lens 8 is fixed on a lens base 2, the imaging sensor 5 is located below the lens 8, a piezoelectric deformation component 6 is disposed on a surface of the imaging sensor 5 away from the lens 8, the imaging sensor 5 is attached to the piezoelectric deformation component 6, the piezoelectric deformation component 6 is electrically connected to the substrate 7, and a space for the piezoelectric deformation component 6 to deform is reserved between the piezoelectric deformation component 6 and the substrate 7, wherein,

when the control voltage of the piezoelectric deformation component 6 is controlled to change, the piezoelectric deformation component 6 can deform and drive the imaging sensor 5 to deform, so that the imaging sensor 5 deforms or moves along the direction of being close to the lens 8 or being far away from the lens 8, and the distance between the imaging sensor 5 and the lens 8 is changed to realize zooming.

The utility model discloses a zoom camera module, through deformation or motion around the piezoelectricity deformation subassembly deformation drive image sensor of the regional department of automatically controlled control image sensor to change the distance between image sensor and the camera lens and realize zooming.

In an alternative embodiment, the piezoelectric deformation assembly 6 includes a piezoelectric deformation body 61 and a piezoelectric deformation assembly line (not shown) connected to the piezoelectric deformation body 61, the piezoelectric deformation body 61 is attached to the bottom of the imaging sensor 5 (i.e., a side of the imaging sensor 5 facing away from the lens 8), and the piezoelectric deformation assembly line is connected to the substrate 7.

Preferably, the piezoelectric deformation body 61 is an inorganic piezoelectric material, and more preferably, the piezoelectric deformation body 61 is a piezoelectric ceramic sheet or a piezoelectric crystal sheet.

In an optional embodiment, the piezoelectric deformation assembly 6 further includes a first support 62, the imaging sensor 5 and the piezoelectric deformation assembly 6 are fixed on the first support 62, specifically, a surface of the piezoelectric deformation body 61 facing away from the imaging sensor 5 is fixed on the first support 62, and a space for deformation of the piezoelectric deformation body 61 is reserved between the piezoelectric deformation body 61 and the first support 62.

Preferably, first support 62 is "L" type, and is provided with two altogether, sets up respectively in piezoelectricity deformation main part 61 and imaging sensor 5's both sides, and piezoelectricity deformation main part 61 deviates from the one side of imaging sensor 5 and fixes on the horizontal structure of the first support 62 of "L" type, and the vertical structure of the first support 62 of L type is fixed on base plate 7, and like this, piezoelectricity deformation main part 61 forms the space that can supply piezoelectricity deformation main part 61 to take place to deform through the support of first support 62 and base plate 7 between.

Preferably, the piezoelectric deformation body 61 is fixed to the first support 62 in such a manner as to be attached to the first support 62.

It should be noted that, the shape and the quantity of first support 62 can be changed according to actual conditions, as long as can separate piezoelectric deformation main part 61 and base plate 7, form the deformation space that supplies piezoelectric deformation main part 61 to take place can, the utility model discloses do not limit this.

When needs zoom, through the control voltage control piezoelectricity deformation main part 61 that changes piezoelectricity deformation subassembly 6 and take place deformation, piezoelectricity deformation main part 61 takes place deformation and drives imaging sensor 5 along being close to or keeping away from the direction of camera lens and take place deformation or motion to change the distance between imaging sensor 5 and the camera lens 8, realize zooming. And the utility model discloses a zoom camera module, the accuracy that only is used for zooming a little of camera and can not zoom by a wide margin, it zooms is higher.

Preferably, the piezo-electric deformation assembly line can be routed through the first bracket 62 and electrically connected to the substrate 7.

In an optional embodiment, the zoom camera module 100 of the present invention further includes an IR filter 3, and the IR filter 3 is disposed between the lens 8 and the imaging sensor 5. Wherein, the IR filter 3 can selectively absorb different wave bands of light, thereby forming special light and shadow effect on the photographic works.

Preferably, the IR filter 3 may be fixed on the second support 4, and the wiring of the IR filter 3 may be electrically connected to the substrate 7 through the second support 4 wiring.

Preferably, the second bracket 4 is "L" shaped, and two brackets are provided, one on each side of the IR filter 3.

The utility model discloses a module of making a video recording zooms realizes according to the inverse piezoelectric effect, and the inverse piezoelectric effect indicates when applying the electric field at the polarization direction of dielectric, and these dielectrics just produce mechanical deformation or mechanical pressure in certain direction, and when external electric field removed, these deformation or stress also disappeared thereupon.

When an electric field in the same polarization direction as that of a piezoelectric deformation component, such as a piezoelectric ceramic plate, is applied, the polarization strength increases, the piezoelectric ceramic plate undergoes elongation deformation, and conversely, the piezoelectric ceramic plate undergoes shortening deformation, and the phenomenon of converting electric energy into mechanical energy is called inverse piezoelectric effect.

The utility model discloses a zoom and make a video recording the module and cross the control voltage control piezoelectricity deformation subassembly that changes piezoelectricity deformation subassembly and take place deformation, piezoelectricity deformation subassembly takes place deformation and drives imaging sensor along the direction of being close to or keeping away from the camera lens and takes place deformation or motion to change the distance between imaging sensor and the camera lens, realize zooming. The zoom camera module of the utility model does not need to switch lenses, and can adopt a fixed lens, thereby greatly reducing the size of the camera module; and the zoom accuracy is higher due to the micro zoom only used for the camera.

Example 2

As shown in fig. 4 to 6, the zoom camera module 100 of this embodiment is an improvement of the zoom camera module 100 shown in embodiment 1, and the difference between the zoom camera module 100 of this embodiment and embodiment 1 is that the piezoelectric deformation element 6 in this embodiment does not include a first support, one surface of the piezoelectric deformation body 61 is attached to the imaging sensor 5, and the other surface is directly attached to the module circuit substrate 7.

Specifically, a groove 71 is formed in the module circuit substrate 7, the piezoelectric deformation assembly 6 is disposed above the groove 71, and the piezoelectric deformation body 61 is fixed to the substrate 7 around the groove 71, so that a space formed between the piezoelectric deformation body 61 and the groove 71 can also provide a deformation space for the piezoelectric deformation body 61.

The utility model also provides a mobile terminal, zoom including the module 100 of making a video recording in foretell embodiment, zoom the connector that the mobile terminal was drawn forth through flexible line way board 9 to the piezoelectricity deformation subassembly circuit of making a video recording module 100.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "comprising" or "including" and similar terms in the present application is intended to mean that the elements or items listed before or after the term include the elements or items listed after the term and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Thus far, it should be recognized by those skilled in the art that while the present invention has been described with reference to preferred embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. The utility model provides a zoom module of making a video recording, includes camera lens, image sensor and sets up the base plate in image sensor below, a serial communication port, image sensor is located the camera lens below, image sensor deviates from the one side of camera lens is provided with piezoelectricity deformation subassembly, image sensor with piezoelectricity deformation subassembly laminating is in the same place, piezoelectricity deformation subassembly with the base plate links to each other and is in piezoelectricity deformation subassembly with reserve the confession between the base plate piezoelectricity deformation subassembly takes place the space of deformation.

2. The zoom camera module according to claim 1, wherein the piezoelectric deformation component comprises a piezoelectric deformation main body and a piezoelectric deformation component circuit connected with the piezoelectric deformation main body, one surface of the imaging sensor, which faces away from the lens, is attached to the piezoelectric deformation main body, and the piezoelectric deformation component circuit is connected with the substrate.

3. The zoom camera module according to claim 2, wherein the piezoelectric deformation assembly further comprises a first support, one surface of the piezoelectric deformation body facing away from the imaging sensor is fixed on the first support, a space for deformation of the piezoelectric deformation body is reserved between the piezoelectric deformation body and the first support, and the first support is fixed on the substrate.

4. The zoom camera module according to claim 3, wherein the first L-shaped brackets are respectively disposed on two sides of the piezoelectric deformation body, one surface of the piezoelectric deformation body facing away from the imaging sensor is fixed to a transverse structure of the first L-shaped bracket, and a vertical structure of the first L-shaped bracket is fixed to the substrate.

5. The zoom camera module of claim 2, wherein the substrate is provided with a groove, and the piezoelectric deformation component is disposed above the groove and fixedly connected to the substrate.

6. The zoom camera module of any of claims 3-5, wherein the piezoelectric deformation body is an inorganic piezoelectric deformation material.

7. The zoom camera module of claim 6, wherein the piezoelectric deformation body is a piezoelectric ceramic sheet or a piezoelectric crystal sheet.

8. The zoom camera module of claim 7, further comprising an IR filter disposed between the lens and the imaging sensor.

9. The zoom camera module of claim 8, further comprising a second bracket, wherein the IR filter is secured to the second bracket, and wherein the second bracket is secured to the base plate.

10. A mobile terminal, characterized in that it comprises a zoom camera module according to any one of claims 1-9.

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