CN113507553A - Camera module and mobile terminal thereof - Google Patents

Camera module and mobile terminal thereof Download PDF

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Publication number
CN113507553A
CN113507553A CN202110826841.8A CN202110826841A CN113507553A CN 113507553 A CN113507553 A CN 113507553A CN 202110826841 A CN202110826841 A CN 202110826841A CN 113507553 A CN113507553 A CN 113507553A
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CN
China
Prior art keywords
light
lens group
camera
reflecting
image sensor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110826841.8A
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Chinese (zh)
Inventor
罗凯
杨雨凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL Communication Ningbo Ltd
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TCL Communication Ningbo Ltd
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Filing date
Publication date
Application filed by TCL Communication Ningbo Ltd filed Critical TCL Communication Ningbo Ltd
Priority to CN202110826841.8A priority Critical patent/CN113507553A/en
Publication of CN113507553A publication Critical patent/CN113507553A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/54Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/55Optical parts specially adapted for electronic image sensors; Mounting thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Abstract

The embodiment of the application provides a camera module, camera module includes: a first camera, the first camera comprising: the first reflecting assembly comprises a first support and a first reflecting mirror, and the first reflecting mirror is fixedly arranged on the first support; a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket, a second lens group and a second reflecting mirror, the second reflecting mirror and the second lens group are fixedly arranged on the second bracket, and the image sensor is arranged towards the light incoming direction of the second lens group; and the driving device is used for driving the first light reflecting component and the second light reflecting component to move away from or approach to each other. Two lens groups of this camera module can share same image sensor, can reduce the cost of camera module.

Description

Camera module and mobile terminal thereof
Technical Field
The application relates to the technical field of imaging, in particular to a camera module and a mobile terminal thereof.
Background
With the continuous development of electronic technology, the photographing capability of electronic devices (such as mobile phones, tablet computers, etc.) becomes an important standard for measuring the performance of the electronic devices, so that the number and the specification of camera components are promoted to be continuously improved, from a single rear camera to a front camera and a rear camera, and then to double rear cameras, the number of pixels is also from millions to tens of millions of pixels, and functions such as optical zooming are added. In the related art, the overall cost of the camera assembly is increased due to the increase of the number and the specification of the camera assembly.
Disclosure of Invention
The embodiment of the application provides a camera module, two lens groups can share same image sensor, can reduce the cost of camera module.
The embodiment of the application provides a camera module, camera module includes:
a first camera, the first camera comprising: the first reflecting assembly comprises a first support and a first reflecting mirror, and the first reflecting mirror is fixedly arranged on the first support;
a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket, a second lens group and a second reflecting mirror, the second reflecting mirror and the second lens group are fixedly arranged on the second bracket, and the image sensor is arranged towards the light incoming direction of the second lens group;
the driving device is used for driving the first light reflecting component and the second light reflecting component to move away from or close to each other;
when the projection area of the reflecting surface of the second reflecting mirror on the image sensor is larger than zero, the first reflecting mirror reflects the light reaching the reflecting mirror surface of the first reflecting mirror to the first lens group, and the light penetrating through the first lens group is reflected to the image sensor through the second reflecting mirror.
In some embodiments, the driving device comprises:
a first gear;
the first rack is fixedly connected with the first support and meshed with the first gear;
the second rack is fixedly connected with the second bracket, the second rack is meshed with the first gear, and the first rack and the second rack are arranged in parallel;
the first driving motor drives the first gear to rotate so as to drive the first rack and the second rack to move in opposite directions respectively, and the first light reflecting component and the second light reflecting component are far away from each other or close to each other.
In some embodiments, the distance of movement of the first light reflecting member and the distance of movement of the second light reflecting member are equal.
In some embodiments, the camera module further comprises: a housing having an accommodating space;
the first camera and the second camera are contained in the containing space of the shell, a guide rail is arranged in the shell, and the driving device drives the first support and the second support to slide on the guide rail.
In some embodiments, the driving device comprises:
a second gear;
the third rack is fixedly connected with the second bracket and meshed with the second gear;
and the second driving motor drives the second gear to rotate so as to drive the third rack to move, so that the first light reflecting component and the second light reflecting component are far away from each other or are close to each other.
In some embodiments, the camera module further comprises: the camera module further comprises: a housing having an accommodating space;
the first camera and the second camera are contained in the containing space of the shell, a guide rail is arranged in the shell, and the driving device can drive the second support to slide on the guide rail.
In some embodiments, the camera module further comprises: the image sensor is fixedly arranged on the inner side of the shell, the first lens group is fixedly arranged in the shell, and the shell is provided with a first light-transmitting area and a second light-transmitting area;
when the projection area of the first reflector in the first light-transmitting area is larger than zero and the projection area of the second reflector in the image sensor is larger than zero, the first reflector reflects the light reaching the reflecting mirror surface of the first reflector to the first lens group, the light penetrating through the first lens group is reflected to the image sensor through the second reflector, and the reflecting surface of the second reflector faces the image sensor,
when the projection area of the second lens group in the second light-transmitting area is larger than zero, light passes through the second lens group to the image sensor.
In some embodiments, a mirror surface of the first reflective mirror makes an angle of 45 degrees with an optical axis of the first lens group.
In some embodiments, the first reflective mirror and the second reflective mirror are both total reflection prisms.
The embodiment of the application further provides a mobile terminal, mobile terminal is provided with third printing opacity district and fourth printing opacity district, mobile terminal includes foretell camera module, first reflector arrives the distance in third printing opacity district equals the second reflector arrives image sensor's distance, just fourth printing opacity district is in image sensor's projected area is greater than zero.
The embodiment of the application provides a camera module, camera module includes: a first camera, the first camera comprising: the first reflecting assembly comprises a first support and a first reflecting mirror, and the first reflecting mirror is fixedly arranged on the first support; a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket, a second lens group and a second reflecting mirror, the second reflecting mirror and the second lens group are fixedly arranged on the second bracket, and the image sensor is arranged towards the light incoming direction of the second lens group; the driving device is used for driving the first light reflecting component and the second light reflecting component to move away from or close to each other; when the projection area of the reflecting surface of the second reflecting mirror on the image sensor is larger than zero, the first reflecting mirror reflects the light reaching the reflecting mirror surface of the first reflecting mirror to the first lens group, and the light penetrating through the first lens group is reflected to the image sensor through the second reflecting mirror. Two lens groups of this camera module can share same image sensor, can reduce the cost of camera module.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a perspective view of a camera module according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a camera module according to an embodiment of the present application.
Fig. 3 is a cross-sectional view of a camera module according to an embodiment of the present application.
Fig. 4 is a perspective view of another camera module according to an embodiment of the present application.
Fig. 5 is a cross-sectional view of the camera module provided in fig. 4.
Fig. 6 is a cross-sectional view of the camera module provided in fig. 4.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the present application provides a camera module 10, please refer to fig. 1, where the camera module 10 includes: a first camera, the first camera comprising: the lens comprises a first reflecting component and a first lens group 101, wherein the first reflecting component comprises a first bracket 102 and a first reflecting mirror 103, and the first reflecting mirror 103 is fixedly arranged on the first bracket 102; a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket 105, a second lens group 104 and a second reflecting mirror 106, the second reflecting mirror 106 and the second lens group 104 are fixedly arranged on the second bracket 105, and the image sensor 107 is arranged towards the light incoming direction of the second lens group 104; the driving device is used for driving the first light reflecting component and the second light reflecting component to move away from or close to each other; when the projection area of the reflective surface of the second reflective mirror 106 on the image sensor 107 is larger than zero, the first reflective mirror 103 reflects the light reaching the reflective surface thereof to the first lens group 101, and the light passing through the first lens group 101 is reflected to the image sensor 107 by the second reflective mirror 106.
In some embodiments, the first lens group 101 can be a front lens group and the second lens group 104 can be a rear lens group according to practical applications.
Specifically, the reflection center of the first reflecting mirror 103, the optical axis of the first camera, and the reflection center of the second reflecting mirror 106 are on the same straight line.
In some embodiments, the driving device comprises: a first gear 108; the first rack 109 is fixedly connected with the first bracket 102, and the first rack 109 is meshed with the first gear 108; the second rack 110 is fixedly connected with the second bracket 105, the second rack 110 is meshed with the first gear 108, and the first rack 109 and the second rack 110 are arranged in parallel; the first driving motor 111, the first driving motor 111 drives the first gear 108 to rotate, so as to drive the first rack 109 and the second rack 110 to move along opposite directions, respectively, and the first reflective component and the second reflective component are far away from each other or close to each other. Wherein, the moving distance of the first reflecting component is equal to that of the second reflecting component.
In some embodiments, the camera module 10 further includes: a housing 112 having an accommodating space, the first camera and the second camera being accommodated in the accommodating space of the housing 112, the housing 112 being provided with a first light-transmitting region 1121 and a second light-transmitting region 1122; when the projection area of the first reflective mirror 103 in the first light-transmitting region 1121 is greater than zero and the projection area of the second reflective mirror 106 in the image sensor 107 is greater than zero, the first reflective mirror 103 reflects the light reaching the reflective mirror surface thereof to the first lens group 101, the light penetrating through the first lens group 101 is reflected to the image sensor 107 by the second reflective mirror 106, and the reflective surface of the second reflective mirror 106 faces the image sensor 107; when the projection area of the second lens group 104 in the second light-transmitting region 1122 is larger than zero, light passes through the second lens group 104 to the image sensor 107.
Specifically, the image sensor 107 is fixedly disposed inside the housing 112, and the first lens group 101 is fixedly disposed inside the housing 112.
Specifically, the camera module 10 further includes: the image sensor 107 is fixedly arranged on the inner side of the housing 112, the first lens group 101 is fixedly arranged inside the housing 112, and the housing 112 is provided with a first light-transmitting area 1121 and a second light-transmitting area 1122; when the projection area of the first reflective mirror 103 in the first light-transmitting region 1121 is greater than zero and the projection area of the second reflective mirror 106 in the image sensor 107 is greater than zero, the first reflective mirror 103 reflects the light reaching the reflective mirror surface thereof to the first lens group 101, the light penetrating through the first lens group 101 is reflected to the image sensor 107 by the second reflective mirror 106, and the reflective surface of the second reflective mirror 106 faces the image sensor 107; when the projection area of the second lens group 104 in the second light-transmitting region 1122 is larger than zero, light passes through the second lens group 104 to the image sensor 107.
More specifically, referring to fig. 2 and 3, the housing 112 is provided with a first light transmission region 1121 and a second light transmission region 1122, when the reflection surface of the first reflective mirror 103 moves to the first light transmission region 1121, and at the same time, the reflection surface of the second reflective mirror 106 moves to be opposite to the second light transmission region 1122, the first reflective mirror 103 reflects the light reaching the reflection mirror surface thereof to the first lens group 101, and the light passing through the first lens group 101 is reflected to the image sensor 107 by the second reflective mirror 106, wherein the reflection surface of the second reflective mirror 106 faces the image sensor 107, and when the second lens group 104 moves to the second light transmission region, the light is directly projected to the image sensor 107 by the second lens group 1122.
In some embodiments, the first light transmissive region 1121 and the second light transmissive region 1122 can be a light transmissive hole structure, and can also be made of a light transmissive material.
In some embodiments, the housing 112 is provided with a guide rail on which the first bracket 102 and the second bracket 105 can slide, and the driving device drives the first bracket 102 and the second bracket 105 to slide on the guide rail, which guides the first bracket 102 and the second bracket 105.
Specifically, the mirror surface of the first reflective mirror 103 forms an angle of 45 degrees with the optical axis of the first lens group 101, the mirror surface of the second reflective mirror 106 forms an angle of 45 degrees with the optical axis of the second lens group 104, and both the first reflective mirror 103 and the second reflective mirror 106 are total reflection prisms.
Specifically, the image sensor 107 may be a cmos image sensor 107, and the first driving motor 111 may be a micro stepping motor.
The embodiment of the present application provides a camera module 10, this camera module 10 includes: a first camera, the first camera comprising: the lens comprises a first reflecting component and a first lens group 101, wherein the first reflecting component comprises a first bracket 102 and a first reflecting mirror 103, and the first reflecting mirror 103 is fixedly arranged on the first bracket 102; a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket 105, a second lens group 104 and a second reflecting mirror 106, the second reflecting mirror 106 and the second lens group 104 are fixedly arranged on the second bracket 105, and the image sensor 107 is arranged towards the light incoming direction of the second lens group 104; the driving device is used for driving the first light reflecting component and the second light reflecting component to move away from or close to each other; when the projection area of the reflective surface of the second reflective mirror 106 on the image sensor 107 is larger than zero, the first reflective mirror 103 reflects the light reaching the reflective surface thereof to the first lens group 101, and the light passing through the first lens group 101 is reflected to the image sensor 107 by the second reflective mirror 106. Two lens groups of this camera module can share same image sensor, can reduce the cost of camera module.
The embodiment of the present application further provides a camera module 20, please refer to fig. 4, where the camera module 20 includes: a first camera, the first camera comprising: a first reflecting component and a first lens group 201, wherein the first reflecting component comprises a first bracket 202 and a first reflecting mirror 203, and the first reflecting mirror 203 is fixedly arranged on the first bracket 202; a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket 205, a second lens group 204 and a second reflecting mirror 206, the second reflecting mirror 206 and the second lens group 204 are fixedly arranged on the second bracket 205, and the image sensor 207 is arranged towards the light incident direction of the second lens group 204; and the driving device is used for driving the second reflective component to move so as to realize that the projection area of the reflecting surface of the second reflective mirror 206 on the image sensor 207 is larger than zero, the first reflective mirror 203 reflects the light reaching the reflecting mirror surface of the first reflective mirror to the first lens group 201, and the light penetrating through the first lens group 201 is reflected to the image sensor 207 through the second reflective mirror 206.
Specifically, the driving device includes: a second gear 208; a third rack 209, wherein the third rack 209 is fixedly connected with the second bracket 205, and the third rack 209 is meshed with the second gear 208; and the second driving motor drives the second gear 208 to rotate so as to drive the third rack 209 to move, so that the first light reflecting component and the second light reflecting component are far away from each other or close to each other.
In some embodiments, the camera module 20 further includes: a housing 211; the housing 211 is provided with a guide rail on which the second bracket 205 slides.
In some embodiments, the camera module 20 further includes: the image sensor 207 is fixedly arranged on the inner side of the housing 211, the first lens group 201 is fixedly arranged inside the housing 211, and the housing 211 is provided with a fifth light-transmitting area 2111 and a sixth light-transmitting area 2112; when the projection area of the first reflective mirror 203 in the fifth light-transmitting area 2111 is greater than zero and the projection area of the second reflective mirror 206 in the image sensor 207 is greater than zero, the first reflective mirror 203 reflects the light reaching the reflective mirror surface thereof to the first lens group 201, the light transmitted through the first lens group 201 is reflected to the image sensor 207 by the second reflective mirror 206, and the reflective surface of the second reflective mirror 206 faces the image sensor 207; when the projection area of the second lens group 204 in the sixth light-transmitting area 2112 is greater than zero, light passes through the second lens group 204 to the image sensor 207.
More specifically, referring to fig. 5 and 6, the housing 211 is provided with a fifth light-transmitting area 2111 and a sixth light-transmitting area 2112, when the reflective surface of the second reflective mirror 206 moves to the fifth light-transmitting area 2111, the first reflective mirror 203 reflects the light reaching the reflective mirror surface thereof to the first lens group 201, and the light passing through the first lens group 201 is reflected to the image sensor 207 by the second reflective mirror 206, wherein the reflective surface of the second reflective mirror 206 faces the image sensor 207, and when the second lens group 204 moves to the sixth light-transmitting area 2112, the light is directly projected to the image sensor 207 by the second lens group 204.
In some embodiments, the fifth light-transmitting region 2111 and the sixth light-transmitting region 2112 may be hole structures which transmit light, and may also be made of a light-transmitting material.
Specifically, the mirror surface of the first reflective mirror 203 forms an angle of 45 degrees with the optical axis of the first lens group 201, the mirror surface of the second reflective mirror 206 forms an angle of 45 degrees with the optical axis of the second lens group 204, and both the first reflective mirror 203 and the second reflective mirror 206 are total reflection prisms.
Specifically, the image sensor 207 may be a cmos image sensor 207, and the first driving motor 210 may be a micro stepping motor.
The embodiment of the present application provides a camera module 20, this camera module 20 includes: a first camera, the first camera comprising: a first reflecting component and a first lens group 201, wherein the first reflecting component comprises a first bracket 202 and a first reflecting mirror 203, and the first reflecting mirror 203 is fixedly arranged on the first bracket 202; a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket 205, a second lens group 204 and a second reflecting mirror 206, the second reflecting mirror 206 and the second lens group 204 are fixedly arranged on the second bracket 205, and the image sensor 207 is arranged towards the light incident direction of the second lens group 204; and the driving device is used for driving the second reflective component to move so as to realize that the projection area of the reflecting surface of the second reflective mirror 206 on the image sensor 207 is larger than zero, the first reflective mirror 203 reflects the light reaching the reflecting mirror surface of the first reflective mirror to the first lens group 201, and the light penetrating through the first lens group 201 is reflected to the image sensor 207 through the second reflective mirror 206. Two lens groups of this camera module can share same image sensor, can reduce the cost of camera module.
The embodiment of the present application still provides a mobile terminal, and mobile terminal is provided with third printing opacity district and fourth printing opacity district, and mobile terminal includes the camera module in the above-mentioned embodiment, and this camera module includes: a first camera, the first camera comprising: the first reflecting assembly comprises a first support and a first reflecting mirror, and the first reflecting mirror is fixedly arranged on the first support; a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket, a second lens group and a second reflecting mirror, the second reflecting mirror and the second lens group are fixedly arranged on the second bracket, and the image sensor is arranged towards the light incoming direction of the second lens group; the driving device is used for driving the first light reflecting component and the second light reflecting component to move away from or close to each other; when the projection area of the reflecting surface of the second reflector on the image sensor is larger than zero, the first reflector reflects the light reaching the reflecting mirror surface of the first reflector to the first lens group, and the light penetrating through the first lens group is reflected to the image sensor through the second reflector.
In some embodiments, a distance from the first reflective mirror to the third light-transmitting area of the mobile terminal is equal to a distance from the second reflective mirror to the image sensor, and a projected area of the fourth light-transmitting area of the mobile terminal on the image sensor is greater than zero.
The embodiment of the application provides a mobile terminal, which comprises the camera module in the embodiment, wherein the distance from a first reflective mirror to a third light-transmitting area of the mobile terminal is equal to the distance from a second reflective mirror to an image sensor, and the projected area of a fourth light-transmitting area of the mobile terminal on the image sensor is larger than zero. Two lens groups of the mobile terminal camera module can share the same image sensor, so that the manufacturing cost of the mobile terminal can be reduced.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing describes in detail a camera module and a mobile terminal thereof provided in an embodiment of the present application, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the foregoing embodiment is only used to help understand the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (10)

1. The utility model provides a camera module which characterized in that, camera module includes:
a first camera, the first camera comprising: the first reflecting assembly comprises a first support and a first reflecting mirror, and the first reflecting mirror is fixedly arranged on the first support;
a second camera, the second camera comprising: the second reflecting assembly comprises a second bracket, a second lens group and a second reflecting mirror, the second reflecting mirror and the second lens group are fixedly arranged on the second bracket, and the image sensor is arranged towards the light incoming direction of the second lens group;
the driving device is used for driving the first light reflecting component and the second light reflecting component to move away from or close to each other;
when the projection area of the reflecting surface of the second reflecting mirror on the image sensor is larger than zero, the first reflecting mirror reflects the light reaching the reflecting mirror surface of the first reflecting mirror to the first lens group, and the light penetrating through the first lens group is reflected to the image sensor through the second reflecting mirror.
2. The camera module of claim 1, wherein the driving device comprises:
a first gear;
the first rack is fixedly connected with the first support and meshed with the first gear;
the second rack is fixedly connected with the second bracket, the second rack is meshed with the first gear, and the first rack and the second rack are arranged in parallel;
the first driving motor drives the first gear to rotate so as to drive the first rack and the second rack to move in opposite directions respectively, and the first light reflecting component and the second light reflecting component are far away from each other or close to each other.
3. The camera module of claim 2, wherein the first reflective element is moved a distance equal to a distance that the second reflective element is moved.
4. The camera module of claim 2, further comprising: a housing having an accommodating space;
the first camera and the second camera are contained in the containing space of the shell, a guide rail is arranged in the shell, and the driving device drives the first support and the second support to slide on the guide rail.
5. The camera module of claim 1, wherein the driving device comprises:
a second gear;
the third rack is fixedly connected with the second bracket and meshed with the second gear;
and the second driving motor drives the second gear to rotate so as to drive the third rack to move, so that the first light reflecting component and the second light reflecting component are far away from each other or are close to each other.
6. The camera module of claim 5, further comprising: a housing having an accommodating space;
the first camera and the second camera are contained in the containing space of the shell, a guide rail is arranged in the shell, and the driving device can drive the second support to slide on the guide rail.
7. The camera module of claim 1, further comprising: the image sensor is fixedly arranged on the inner side of the shell, the first lens group is fixedly arranged in the shell, and the shell is provided with a first light-transmitting area and a second light-transmitting area;
when the projection area of the first reflector in the first light-transmitting area is larger than zero and the projection area of the second reflector in the image sensor is larger than zero, the first reflector reflects the light reaching the reflecting mirror surface of the first reflector to the first lens group, and the light penetrating through the first lens group is reflected to the image sensor through the second reflector;
when the projection area of the second lens group in the second light-transmitting area is larger than zero, light passes through the second lens group to the image sensor.
8. The camera module of claim 1, wherein the mirror surface of the first mirror is at an angle of 45 degrees to the optical axis of the first lens group.
9. The camera module of claim 1, wherein the first reflective mirror and the second reflective mirror are all total reflection prisms.
10. A mobile terminal, characterized in that the mobile terminal is provided with a third light-transmitting area and a fourth light-transmitting area, the mobile terminal comprises the camera module according to any one of claims 1-9, the distance from the first mirror to the third light-transmitting area is equal to the distance from the second mirror to the image sensor, and the projected area of the fourth light-transmitting area on the image sensor is greater than zero.
CN202110826841.8A 2021-07-21 2021-07-21 Camera module and mobile terminal thereof Pending CN113507553A (en)

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