CN213693886U

CN213693886U - Camera module and equipment

Info

Publication number: CN213693886U
Application number: CN202022911277.3U
Authority: CN
Inventors: 陈文章
Original assignee: Nanchang OFilm Optoelectronics Technology Co Ltd
Current assignee: Nanchang OFilm Tech Co Ltd; Nanchang OFilm Optoelectronics Technology Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-13
Anticipated expiration: 2030-12-04

Abstract

The embodiment of the application discloses camera module and equipment. The camera module comprises a shell, four lenses and an image processing device, wherein the shell is provided with an accommodating cavity and a first mounting hole; the four lenses comprise two middle-focus lenses, a wide-angle lens and a telephoto lens, the image side ends of the four lenses are all arranged in the accommodating cavity, and the object side ends of the four lenses pass through the first mounting holes and are positioned outside the shell; and the image processing device is positioned on the image side of the lens in the accommodating cavity. The camera module of this application embodiment can realize the optics of multiple multiplying power and zoom through the combination of four camera lenses, and can utilize the measurement mode of stereovision method to realize multiple functions.

Description

Camera module and equipment

Technical Field

The application relates to the technical field of cameras, in particular to a camera module and equipment.

Background

With the progress of scientific and technological life, the camera shooting technology is slowly expanded from a planar expression mode to three-dimensional, such as: in the vehicle models provided by various vehicle factories in the future, an ADAS advanced driving assistance system is gradually standard, wherein a forward-looking system with various cameras with different properties is used for realizing multifunctional shooting, but the surveying function of depth information such as distance cannot be finished by a multi-camera system, the multi-camera system is realized by depending on light or radar, the multi-functionality of the multi-camera system cannot be realized, and the cost is increased to a certain extent.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a camera module and equipment, through the combination of four camera lenses, can realize the optics of multiple multiplying power and zoom, can utilize the measurement mode of stereovision method to realize multiple functions.

In a first aspect, an embodiment of the present application provides a camera module, including: the shell defines an accommodating cavity and a first mounting hole communicated with the accommodating cavity; the object side ends of the four lenses are all positioned outside the shell, the image side ends of the four lenses penetrate through the first mounting holes and then are positioned in the accommodating cavity, and the four lenses comprise two middle focal lenses, a wide-angle lens and a telephoto lens; and the image processing device is arranged in the accommodating cavity and is positioned on the image side of the four lenses.

According to the camera module, the four lenses of different types are combined, so that optical zooming of various multiplying powers can be achieved, and different use scenes can be dealt with. Specifically, the four lenses are arranged to comprise two middle-focus lenses, a wide-angle lens and a telephoto lens, fusion, three-dimensional modeling and distance detection of space images can be realized through the cooperation of the two middle-focus lenses, optical zooming of low magnification can be realized through the cooperation of the middle-focus lens and the wide-angle lens, optical zooming of medium magnification can be realized through the cooperation of the middle-focus lens and the telephoto lens, and optical zooming of high magnification can be realized through the cooperation of the wide-angle lens and the telephoto lens. The image side ends of the four lenses and the image processing device are located in the accommodating cavity defined by the shell, stray light can be isolated, and imaging quality is ensured.

In some embodiments, the first mounting hole includes four sub-mounting holes arranged at intervals, the four sub-mounting holes are not collinear, the four sub-mounting holes are all communicated with the accommodating cavity, and a lens is arranged in each sub-mounting hole.

Based on the above embodiment: the number of the sub-mounting holes is set to be four, the four sub-mounting holes are not collinear, and a lens is arranged in each sub-mounting hole respectively, so that the lens can be positioned and fixed.

In some embodiments, the central axes of the four sub-mounting holes are located in the same plane, two of the sub-mounting holes located on two sides are respectively provided with one intermediate focal lens, and two of the sub-mounting holes located in the middle are respectively provided with one wide-angle lens and one telephoto lens.

Based on the above embodiment: set up two well burnt camera lenses in the both sides of camera module, can realize listening the function of object distance through the stereovision method, and then realize three-dimensional modeling, realize the variety and the richness of function.

In some of these embodiments, the image processing apparatus comprises: the four circuit boards are arranged in the accommodating cavity, and each circuit board is arranged on the image side of one lens; and the four photosensitive chips are respectively arranged on one side of the circuit board close to the lens, and each photosensitive chip is electrically connected with the corresponding circuit board.

Based on the above embodiment: the number of the circuit boards and the number of the photosensitive chips are all set to be four, and each lens corresponds to one photosensitive chip and one circuit board, so that the four lenses are mutually independent and cannot be influenced.

In some embodiments, each of the circuit boards includes a first surface and a second surface, which are disposed opposite to each other, the first surface is provided with the photosensitive chip, and a heat conducting member is disposed between the first surface and the housing and/or between the second surface and the housing.

Based on the above embodiment: set up between first surface and casing and/or between second surface and the casing and lead heat-insulating material for the heat that holds the intracavity can spread through leading heat-insulating material, casing, can help sensitization chip and circuit board heat dissipation, promotes the working property of components and parts, and help the user to accomplish work better sooner.

In some of these embodiments, the housing further defines four second mounting holes communicating with the accommodating chamber, and the image processing apparatus further includes: and one ends of the four connectors are positioned in the accommodating cavity and are respectively electrically connected with one circuit board, and the other ends of the four connectors penetrate through one second mounting hole and then are positioned outside the shell and are used for being electrically connected with an external device.

Based on the above embodiment: the connector can transmit the electric signal of the circuit board to an external device for further work by connecting the circuit board with the external device. Through setting up four connectors and four connectors correspond respectively and connect a circuit board, can realize signal transmission's high efficiency.

In some of these embodiments, the housing includes a first body portion defining the first mounting hole thereon; the second main body part is connected with the first main body part, and the accommodating cavity is defined between the second main body part and the first main body part; and the installation part is positioned at the periphery of the first installation hole, the object side end of the lens is positioned at the position where the first main body part deviates from one side of the second main body part and is connected with the object side end of the lens, the object side end of the lens is positioned at the position where the installation part is far away from one side of the first main body part, and the image side end of the lens passes through the installation part and the position behind the first installation hole in the accommodating cavity.

Based on the above embodiment: the accommodating cavity defined by the first main body part and the second main body part can protect internal components and provide a closed and safe working environment. The shell is further provided with the installation part, and the image side end of the lens penetrates through the installation part, so that the lens can be installed more stably under the support of the installation part, and the camera module is further ensured to acquire stable and effective image pictures.

In some embodiments, a surface of the first main body portion facing away from the second main body portion is a third surface, a surface of the second main body portion facing away from the first main body portion is a fourth surface, and heat dissipation members are disposed on the third surface and the fourth surface.

Based on the above embodiment: all set up the radiating piece on the third surface that deviates from the second main part at first main part and the fourth surface that the second main part deviates from first main part, can help improving the interior operational environment of casing, reduce the interior temperature of casing, guarantee the normal and stable of the inside components and parts work of casing.

In some embodiments, the heat dissipation element includes a plurality of first ribs formed by extending the third surface in a direction away from the fourth surface, and a plurality of second ribs formed by extending the fourth surface in a direction away from the third surface, where the plurality of first ribs are disposed at intervals, and the plurality of second ribs are disposed at intervals.

Based on the above embodiment: set up the protruding muscle of a plurality of intervals on third surface and fourth surface and can increase surface area, and then can accelerate the heat dissipation, the help improves the interior operational environment of casing, reduces the interior temperature of casing, guarantees the normal and stable of the inside components and parts work of casing.

In a second aspect, an embodiment of the present application provides an apparatus, including any of the camera modules described above.

The equipment based on the embodiment of the application comprises the camera module, the camera module can realize optical zooming of various multiplying powers through the combination of four lenses of different types, and then can deal with different use scenes. Specifically, the four lenses are arranged to comprise two middle-focus lenses, a wide-angle lens and a telephoto lens, fusion, three-dimensional modeling and distance detection of space images can be realized through the cooperation of the two middle-focus lenses, optical zooming of low magnification can be realized through the cooperation of the middle-focus lens and the wide-angle lens, optical zooming of medium magnification can be realized through the cooperation of the middle-focus lens and the telephoto lens, and optical zooming of high magnification can be realized through the cooperation of the wide-angle lens and the telephoto lens. The image side ends of the four lenses and the image processing device are located in the accommodating cavity defined by the shell, stray light can be isolated, and imaging quality is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a camera module provided in an embodiment of the present application;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a schematic perspective view of another perspective view of the camera module according to the embodiment of the present application;

fig. 4 is an exploded schematic view of a camera module provided in an embodiment of the present application from another viewing angle;

fig. 5 is an exploded schematic view of a camera module according to another view angle provided in the embodiment of the present application;

FIG. 6 is a cross-sectional view taken along the line A-A' of FIG. 2 according to an exemplary embodiment of the present disclosure;

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.

With the progress of scientific and technological life, the image pickup technology is changed from black and white to color, and clearer picture expression and color interpretation are provided, but the existing camera module is limited to plane image pickup and is not enough to meet the increasing life requirements of people. Therefore, the embodiment of the application provides a camera module and equipment, and aims to solve the problems.

In a first aspect, the utility model provides a camera module. As shown in fig. 1 to 4, the camera module 100 includes a housing 110, four lenses 120, and an image processing device 130.

The four lenses 120 include two intermediate lenses 121, a wide-angle lens 122 and a telephoto lens 123, wherein the intermediate lenses 121, the wide-angle lens 122 and the telephoto lens 123 respectively represent lenses with different focal lengths. Specifically, the focal length of the wide-angle lens 122 is generally less than 35mm, and the wide-angle lens 122 has a wide viewing angle, so that images can be shot in a close range; the focal length of the middle-focus lens 121 is generally 36mm to 134mm, and the middle-focus lens 121 is relatively close to the normal visual angle and perspective of a person and is suitable for shooting at a normal distance; the focal length of the telephoto lens 123 is generally higher than 135mm, and the telephoto lens 123 is also called a telephoto lens, and has a small angle of view and a weak perspective, so that an image can be photographed at a long distance. The two intermediate focus lenses 121 are used in a matched manner to realize fusion, distance detection and three-dimensional modeling of a space image, one intermediate focus lens 121 and one wide-angle lens 122 are used in a matched manner to provide optical zooming with low magnification, one intermediate focus lens 121 and one telephoto lens 123 are used in a matched manner to provide optical zooming with medium magnification, and one telephoto lens 123 and one wide-angle lens 122 are used in a matched manner to provide optical zooming with high magnification. Referring to fig. 3, each of the four lenses 120 includes an object side end 1201 and an image side end 1202.

Referring to fig. 5 and 6, the housing 110 defines an accommodating cavity 111 and a first mounting hole 112 communicating with the accommodating cavity 111, the accommodating cavity 111 is provided with the image processing apparatus 130, the image side ends 1202 of the four lenses 120 may also be located in the accommodating cavity 111 to avoid interference factors affecting imaging during use as much as possible, and the object side ends 1201 of the four lenses 120 may all pass through the first mounting hole 112 and then be located outside the housing 110.

The first mounting hole 112 may be a hole such that four lenses 120 are all mounted therein. Of course, in order to mount each lens 120 smoothly, referring to fig. 5, the first mounting hole 112 may also include four sub-mounting holes 1121, the four sub-mounting holes 1121 are not collinear and all communicate with the accommodating cavity 111, and one lens 120 is disposed in each sub-mounting hole 1121. The lens 120 can be positioned and fixed by disposing the first mounting hole 112 to include four sub-mounting holes 1121 disposed at intervals, and disposing one lens 120 in each sub-mounting hole 1121. In addition, since the image of the lens 120 is diffused, the interval can prevent the lens 120 and the lens 120 from interfering with each other, and further, the specific image is affected.

Further, the four sub-mounting holes 1121 may be distributed in various manners. For example, the four sub-mounting holes 1121 may be arranged in a straight line, a rectangular line, or an irregular line. Specifically, the four sub-mounting holes 1121 are linearly distributed, and central axes of the four sub-mounting holes 1121 may be located in the same plane, as shown in fig. 4 and 5. There may be various distributions of the four lenses 120 in the four sub-mounting holes 1121. For example, when the central axes of the four sub-mounting holes 1121 are located in the same plane, the two middle focus lenses 121 may be respectively disposed in the two sub-mounting holes 1121 at two sides, or may be distributed in the two sub-mounting holes 1121 at the middle. Any two lenses 120 can obtain the distance between the lens and the image object through a stereo vision method, and further 3D work is realized. In the embodiment of the present application, when the central axes of the four sub-mounting holes 1121 are located in the same plane, the two middle focus lenses 121 are respectively disposed in the two sub-mounting holes 1121 at the two sides, and one wide lens 122 and one telephoto lens 123 are respectively disposed in the two middle sub-mounting holes 1121.

The image processing apparatus 130 may include a circuit board 131 and a photosensitive chip 132, the circuit board 131 may be disposed in the accommodating cavity 111 and located at the image side of the lens 120, and the photosensitive chip 132 is electrically connected to the circuit board 131. The number of the circuit boards 131 may be one, but considering simultaneous operation of a plurality of cameras, the number of the circuit boards 131 is preferably the same as the number of the lenses 120, that is, the number of the circuit boards 131 is four. When the number of the circuit boards 131 is four, the number of the photo sensors 132 may also be four, specifically, referring to fig. 4 and 6, each circuit board 131 may be disposed in the accommodating cavity 111 and located on the image side of one lens 120, and each photo sensor 132 may be disposed on one side of the corresponding circuit board 131 close to the lens 120 and electrically connected to the circuit board 131. The light sensing chip 132 is close to the image side end 1202 of the lens 120, and can receive the optical signal transmitted by the lens 120, convert the optical signal into an electrical signal and transmit the electrical signal to the corresponding circuit board 131, and the circuit board 131 performs further operations. By setting the four circuit boards 131 to correspond to the four lenses 120 respectively and the four photosensitive chips 132 to correspond to the four circuit boards 131 respectively, that is, each photosensitive chip 132 corresponds to one lens 120, the four photosensitive chips 132 can work simultaneously, thereby improving the working efficiency.

Additionally, referring to fig. 6, the circuit board 131 has a first surface 1311 and a second surface 1312 disposed opposite to each other, the photosensitive chip 132 is disposed on the first surface 1311, so that the usage volume of the accommodating cavity 111 can be reduced, and a heat conduction member 140 can be disposed between the first surface 1311 and the housing 110 and/or between the second surface 1312 and the housing 110, and the heat conduction member 140 can be used to help the photosensitive chip 132 and the circuit board 131 dissipate heat, so as to improve the working performance and help a user to complete work better and faster. Specifically, the heat conducting member 140 may be a heat conducting pad, or may be a metal layer having a certain heat dissipation property. In consideration of the connection of the photosensitive chip 132 to the circuit board 131, metallic copper having a certain heat dissipation property may be provided on the first surface 1311.

As shown in fig. 3 and 5, the housing 110 further includes a second mounting hole 113, and the second mounting hole 113 is communicated with the accommodating cavity 111. The second mounting hole 113 is provided with a connector 133, one end of the connector 133 is located in the accommodating cavity 111, and the other end of the connector 133 passes through the second mounting hole 113 and is located outside the housing 110. Additionally, the connector 133 is disposed in the receiving cavity 111 and electrically connected to the second surface 1312 of the circuit board 131 at one end and electrically connected to an external device at the other end, so as to transmit the electrical signal of the circuit board 131 to the external device for further operation. The four connectors 133 are respectively connected to the circuit board 131, so that the signal transmission efficiency and the working efficiency are improved.

Referring to fig. 4 to 6, the housing 110 includes a first body portion 114, a second body portion 115, and a mounting portion 116. Specifically, the first body portion 114 and the second body portion 115 together define the receiving cavity 111, and the first body portion 114 defines the first mounting hole 112 and the second body portion 115 defines the second mounting hole 113. The mounting portion 116 is connected to the first main body portion 114, specifically, the mounting portion 116 is located on a side of the first main body portion 114 away from the second main body portion 115, and is connected to the periphery of the first mounting hole 112, and in installation and use, the lens 120 is limited and fixed in position by the mounting portion 116 and the four sub-mounting holes 1121, wherein the object side end 1201 of the lens 120 is located on a side of the mounting portion 116 away from the first main body portion 114, and the image side end 1202 of the lens 120 is located in the accommodating cavity 111. The accommodating cavity 111 can protect internal components and provide a closed and safe working environment. The above helps the user to provide a stable and effective image picture by arranging the mounting portion 116 to be connected to the first mounting hole 112 for positioning and fixing the lens 120.

Additionally, as shown in fig. 6, the mounting part 116 may include a first portion 1161 to mount the lens 120 and a second portion 1162 to connect the first portion 1161 with the first body part 114. First portion 1161 may mount a corresponding lens 120 to provide fixation and protection for lens 120. The second portion 1162 can mount the photosensitive chip 132, and if the photosensitive chip 132 is disposed in the second portion 1162, the circuit board 131 can be disposed to be close to the first main body portion 114 and the second main body portion 115 as much as possible, so as to reduce the volume of the entire camera module 100, and meanwhile, the circuit board 131 is disposed to be close to the first main body portion 114 and the second main body portion 115, so that heat can be dissipated through the first main body portion 114 and the second main body portion 115.

Referring to fig. 1, 2, 3 and 5, in the housing 110, a surface of the first body portion 114 facing away from the second body portion 115 is a third surface 1141, a surface of the second body portion 115 facing away from the first body portion 114 is a fourth surface 1151, and both the third surface 11411 and the fourth surface 1151 may be provided with the heat sink 150. In some embodiments, the heat dissipation member 150 may include a plurality of first through holes provided on the third surface 1141 and a plurality of second through holes provided on the fourth surface 1151, so that heat generated in the receiving cavity 111 can be dissipated through the through holes. However, in order to realize the waterproof performance of the camera module 100, the heat sink 150 may include a plurality of first ribs 151 extending from the third surface 1141 toward the direction away from the fourth surface 1151, and may include a plurality of second ribs 152 extending from the fourth surface 1151 toward the direction away from the third surface 1141, the plurality of first ribs 151 may be disposed at intervals, the plurality of second ribs 152 may be disposed at intervals, and the heat dissipation area of the housing 110 may be increased by disposing the ribs on the third surface 1141 and the fourth surface 1151, thereby increasing the heat dissipation speed and improving the performance.

In a second aspect, an apparatus is provided in an embodiment of the present application. The apparatus includes the camera module 100 described above. The device may be any device having an image processing function. For example, the device may be an in-vehicle device, a wearable device, a computer device, a television, a vehicle, a camera, a monitoring device, and so forth.

Based on the equipment of this application embodiment, including foretell camera module 100, camera module 100 can realize the optics of multiple multiplying power and zoom through four camera lens combinations of different types, and then can deal with different use scenes. Specifically, the four lenses 120 are configured to include two intermediate lenses 121, a wide-angle lens 122 and a telephoto lens 123, and the two intermediate lenses 121 are used in cooperation to realize spatial image fusion, stereo modeling and distance detection, one intermediate lens 121 and one wide-angle lens 122 are used in cooperation to realize optical zooming at low magnification, one intermediate lens 121 and one telephoto lens 123 are used in cooperation to realize optical zooming at intermediate magnification, and one wide-angle lens 122 and one telephoto lens 123 are used in cooperation to realize optical zooming at high magnification. Image-side ends 1202 of four lenses 120 and image processing apparatus 130 are located in accommodating cavity 111 defined by housing 110, so that stray light can be isolated and imaging quality can be ensured.

In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application, so that the present application is not limited thereto, and all equivalent variations and modifications can be made to the present application.

Claims

1. The utility model provides a camera module which characterized in that includes:

the shell defines a containing cavity and a first mounting hole communicated with the containing cavity;

the object side ends of the four lenses are all positioned outside the shell, the image side ends of the four lenses penetrate through the first mounting hole and then are positioned in the accommodating cavity, and the four lenses comprise two middle focal lenses, a wide-angle lens and a telephoto lens; and

and the image processing device is arranged in the accommodating cavity and is positioned on the image side of the four lenses.

2. The camera module according to claim 1, wherein the first mounting hole includes four sub-mounting holes spaced apart from each other, the four sub-mounting holes are not collinear, the four sub-mounting holes are all communicated with the accommodating cavity, and one lens is disposed in each sub-mounting hole.

3. The camera module according to claim 2, wherein the central axes of the four sub-mounting holes are located in the same plane, and two of the sub-mounting holes located at two sides are respectively provided with one of the medium focus lenses, and two of the sub-mounting holes located in the middle are respectively provided with one of the wide-angle lenses and one of the telephoto lenses.

4. The camera module according to claim 1, wherein the image processing device comprises:

the four circuit boards are arranged in the accommodating cavity, and each circuit board is arranged on the image side of one lens; and

the four photosensitive chips are arranged on one side, close to the lens, of the circuit board, and each photosensitive chip is electrically connected with the corresponding circuit board.

5. The camera module according to claim 4, wherein each of the circuit boards includes a first surface and a second surface opposite to each other, the first surface is provided with the photosensitive chip thereon, and a heat conducting member is disposed between the first surface and the housing and/or between the second surface and the housing.

6. The camera module of claim 4, wherein the housing further defines four second mounting holes in communication with the receiving cavity, the image processing device further comprising:

and one ends of the four connectors are positioned in the accommodating cavity and are respectively electrically connected with one circuit board, and the other ends of the four connectors penetrate through one second mounting hole and then are positioned outside the shell and are used for being electrically connected with an external device.

7. The camera module of claim 1, wherein the housing comprises:

a first body portion defining the first mounting hole thereon;

the second main body part is connected with the first main body part, and the accommodating cavity is defined between the second main body part and the first main body part; and

the installation department, the installation department is located first main part deviates from one side of second main part and connects the periphery of first mounting hole, four the object side end of camera lens all is located the installation department is kept away from one side of first main part, four the image side end of camera lens all passes the installation department with be located behind the first mounting hole hold the intracavity.

8. The camera module according to claim 7, wherein a surface of the first main body portion facing away from the second main body portion is a third surface, a surface of the second main body portion facing away from the first main body portion is a fourth surface, and heat dissipation members are disposed on the third surface and the fourth surface.

9. The camera module according to claim 8, wherein the heat dissipation member includes a plurality of first ribs formed by extending the third surface in a direction away from the fourth surface, and a plurality of second ribs formed by extending the fourth surface in a direction away from the third surface, the plurality of first ribs are disposed at intervals, and the plurality of second ribs are disposed at intervals.

10. An apparatus comprising the camera module of claims 1-9.