CN215897826U

CN215897826U - Image capturing apparatus

Info

Publication number: CN215897826U
Application number: CN202121989807.4U
Authority: CN
Inventors: 唐浩鑫; 胡建华; 王承聪; 张颖; 魏嘉俊; 许雁嘉; 莫异江; 吴伟杰; 梁梓豪; 姚绮彤; 陈广意; 赵泓皓; 陈莹
Original assignee: Guangdong Institute of Science and Technology
Current assignee: Guangdong Institute of Science and Technology
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-22
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses an image shooting device, which comprises a shell, a camera module and a vision sensor, wherein a containing cavity is arranged inside the shell, at least two lens holes are formed in the shell, and a first through hole is formed in the shell; the camera module is arranged in the accommodating cavity and provided with at least two lenses, and each lens is respectively positioned at the corresponding lens hole; the vision sensor is arranged in the accommodating cavity and is electrically connected with the camera module, and the vision sensor is positioned at the first through hole. According to the image shooting device, the camera module is provided with the plurality of lenses, so that the shooting range is larger and the recognition range is wider compared with a common monocular camera module; meanwhile, images shot by the camera module can be transmitted to the vision sensor for processing, and high-quality image information is obtained.

Description

Image capturing apparatus

Technical Field

The utility model relates to the technical field of camera shooting, in particular to an image shooting device.

Background

Gesture recognition control has been a widely studied issue in recent years. Traditional gesture recognition is generally based on wired devices to connect a computer system with a user, such as data gloves, but most of these devices are expensive and complicated. Therefore, gesture recognition based on vision is more and more popular, and the traditional vision recognition technology relies on a computer as a calculation core, although the calculation is accurate and efficient, the flexibility is poor, and the use of equipment is limited by places. Therefore, a device which has a simple structure, strong applicability, a wide image acquisition range and can acquire a high-quality picture is needed for gesture recognition.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an image shooting device which is wide in identification range and high in applicability.

The image shooting device comprises a shell, a camera module and a vision sensor, wherein a containing cavity is arranged inside the shell, at least two lens holes are formed in the shell, and a first through hole is formed in the shell; the camera module is arranged in the accommodating cavity and provided with at least two lenses, and each lens is respectively positioned at the corresponding lens hole; the vision sensor is arranged in the accommodating cavity and electrically connected with the camera module, and the vision sensor is positioned at the first through hole.

The image shooting device provided by the embodiment of the utility model at least has the following beneficial effects: because the camera module is provided with a plurality of lenses, compared with a common monocular camera module, the camera module has the advantages that the shooting range is larger, and the recognition range is wider; meanwhile, images shot by the camera module can be transmitted to the vision sensor for processing, and high-quality image information is obtained; therefore, compared with the existing equipment for gesture recognition, the image shooting device provided by the utility model has the advantages of simpler structure, more applicable scenes, wider recognition range and stronger image recognition capability.

According to some embodiments of the present invention, the camera module has three lenses, and the housing has three lens holes, and each lens is located in the corresponding lens hole.

According to some embodiments of the present invention, the housing includes a base and a cover, the cover is detachably connected to the base, and the cover and the base can enclose the accommodating cavity when being connected in a matching manner.

According to some embodiments of the utility model, the seat body and the cover body are in threaded connection and/or snap connection.

According to some embodiments of the present invention, the lens further includes a plurality of auxiliary fixing plates, the plurality of auxiliary fixing plates are disposed in the accommodating cavity, each of the plurality of auxiliary fixing plates is respectively provided with a plurality of second through holes, and the plurality of auxiliary fixing plates are sleeved on the lens.

According to some embodiments of the present invention, the camera module further includes a mounting bracket and a circuit board, the mounting bracket is disposed in the accommodating cavity, the circuit board is disposed on the mounting bracket, and the camera module and the vision sensor are disposed on the circuit board.

According to some embodiments of the present invention, the mounting bracket is provided with a plurality of first heat dissipation holes, the housing is provided with a plurality of second heat dissipation holes, and the plurality of second heat dissipation holes correspond to the plurality of first heat dissipation holes one to one.

According to some embodiments of the present invention, the display device further comprises a video frame memory electrically connected to the vision sensor, the video frame memory for buffering image information.

According to some embodiments of the present invention, the camera module further comprises a voltage conversion module, wherein the voltage conversion module is used for connecting an input power supply, converting the voltage of the input power supply into a stable working voltage, and supplying power to the camera module.

According to some embodiments of the utility model, the power supply further comprises a protection module, wherein the protection module is arranged between the input power supply and the voltage conversion module.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an image capturing apparatus according to an embodiment of the present invention;

FIG. 2 is an exploded view of an image capture device according to an embodiment of the present invention;

FIG. 3 is a circuit schematic of a first portion of a circuit board of an embodiment of the present invention;

FIG. 4 is a circuit schematic of a second portion of a circuit board of an embodiment of the present invention;

reference numerals:

the lens holder comprises a shell 100, a lens hole 101, a first through hole 102, a second heat dissipation hole 103, a base body 110 and a cover body 120;

a camera module 200, a lens 210;

a vision sensor 300;

an auxiliary fixing plate 400, a second through hole 410;

a mounting bracket 500, a first heat dissipation hole 510;

a video frame memory 600;

a voltage conversion module 700;

a protection module 800.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, an image photographing apparatus according to an embodiment of the present invention includes a housing 100, a camera module 200, and a vision sensor 300; wherein, the interior of the casing 100 is provided with a containing cavity, and the surface of the casing 100 is provided with at least two lens holes 101 and a first through hole 102; the camera module 200 and the vision sensor 300 are disposed in the accommodating cavity and electrically connected to each other, the camera module 200 has at least two lenses 210, each lens 210 is located in the corresponding lens hole 101, and the vision sensor 300 is located in the first through hole 102.

Specifically, referring to fig. 1 and 2, in some embodiments of the present invention, the camera module 200 has three lenses 210 to form a triple-lens camera module; correspondingly, the surface of the housing 100 is provided with three lens holes 101, and three lenses 210 are respectively positioned in the three lens holes 101. It is understood that the specific number of lenses 210 and lens holes 101 is not limited.

According to the image shooting device of the utility model, the camera module 200 is provided with the plurality of lenses 210, so that the shooting range is larger and the recognition range is wider compared with a common monocular camera module; meanwhile, the image shot by the camera module 200 can be transmitted to the vision sensor 300 for processing, and then high-quality image information is obtained; therefore, compared with the existing equipment for gesture recognition, the image shooting device provided by the utility model has the advantages of simpler structure, more applicable scenes, wider recognition range and stronger image recognition capability.

As shown in fig. 2, the housing 100 includes a base 110 and a cover 120, the cover 120 is detachably connected to the base 110, and the cover 120 and the base 110 can form a receiving cavity when they are connected. Specifically, in the present invention, the cover 120 and the base 110 can be fastened by a fastening structure at the edge, and then fixed by a bolt. It is understood that the cover 120 and the base 110 may be detachably connected by other common methods, such as hinge, without limitation.

As shown in fig. 2, in some embodiments of the present invention, a plurality of auxiliary fixing plates 400 are further included, the plurality of auxiliary fixing plates 400 are disposed in the accommodating cavity, each of the plurality of auxiliary fixing plates 400 is respectively provided with a plurality of second through holes 410, and the plurality of auxiliary fixing plates 400 are sleeved on the lens 210. Specifically, as shown in fig. 2, since each lens 210 has a certain difference in size and shape, the lens 210 is sleeved with a plurality of auxiliary fixing plates 400 for fixing the lens of the camera module 200.

As shown in fig. 2, in some embodiments of the present invention, a mounting bracket 500 and a circuit board (not shown in the drawings) are further included, the mounting bracket 500 is disposed in the accommodating cavity, the circuit board is disposed on the mounting bracket 500, and the vision sensor 300 and the camera module 200 are disposed on the circuit board. Specifically, the mounting bracket 500 is mounted on the base body 110, and then the circuit board is mounted on the mounting bracket 500, thereby fixing the circuit board. The mounting bracket 500 and the base 110 may be bolted or otherwise connected. After the auxiliary fixing plate 400 is mounted on the camera module 200, the camera module 200 may be mounted on the control circuit board in a dispensing manner.

As shown in fig. 2, in some embodiments of the present invention, the mounting bracket 500 is provided with a plurality of first heat dissipating holes 510, the housing 100 is provided with a plurality of second heat dissipating holes 103, and the plurality of second heat dissipating holes 103 correspond to the plurality of first heat dissipating holes 510 one to one. The plurality of first heat dissipation holes 510 are arranged on the mounting bracket 500, so that heat dissipation of an internal circuit is facilitated, and damage to elements due to overhigh temperature inside the accommodating cavity is prevented; meanwhile, correspondingly, a plurality of second heat dissipation holes 103 are formed in the cover 120, and the second heat dissipation holes 103 correspond to the first heat dissipation holes 510 one to one, so that heat can be dissipated to the outside conveniently.

As shown in fig. 3 and 4, in some embodiments of the present invention, a video frame memory 600 is further included, the video frame memory 600 is electrically connected to the vision sensor 300, and the video frame memory 600 is used for buffering image information. The video frame memory 600 is also disposed on the circuit board.

Specifically, as shown in fig. 3, in the present invention, the specific model adopted by the video sensor 300 is OV7670, and the specific model adopted by the video frame memory 600 is AL 422B. Many video frame memories 600 on the market can only store 1 field of image information due to limited capacity, and cannot store 1 frame of image information, while AL422B can store the complete information of 1 frame of image due to large capacity, and its working frequency is as high as 50 MHz. It is understood that the specific types of the video sensor 300 and the video frame memory 600 are not limited, and those skilled in the art can make adjustments and changes according to actual situations. The video frame memory 600 mainly plays a role of caching image information, and avoids a situation that the vision sensor 300 cannot process each frame of picture transmitted by the camera module 200 in time.

As shown in fig. 3 and 4, in some embodiments of the present invention, the present invention further includes a voltage conversion module 700, where the voltage conversion module 700 is configured to connect to an input power source, convert a voltage of the input power source into a stable operating voltage, and supply power to the camera module 200. The voltage conversion module 700 is also disposed on the circuit board.

Specifically, as shown in fig. 4, a linear regulator ME6029 is adopted in the voltage conversion module 700, so as to convert the input power into a stable 3.3V voltage to supply power to the camera module 200.

As shown in fig. 3 and 4, in some embodiments of the utility model, the circuit board further includes a protection module 800, and the protection module 800 is disposed between the input power source and the voltage conversion module 700. The protection module 800 is also disposed on the circuit board.

Specifically, as shown in fig. 4, the protection module 800 employs a CEG8205 chip and an R5402N163LD chip to protect the circuit and prevent irreversible damage to the camera module 200 when the input voltage is too high. The input power sequentially passes through the CEG8205 chip and the R5402N163LD chip, and then is converted into a stable working voltage through the voltage conversion module 700, so as to supply power to the camera module 200.

In the description herein, references to the description of "one embodiment," "a further embodiment," "some specific embodiments," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An image capturing apparatus, characterized by comprising:

the lens holder comprises a shell, a lens holder and a lens holder, wherein a containing cavity is arranged in the shell, at least two lens holes are formed in the shell, and a first through hole is formed in the shell;

the camera module is arranged in the accommodating cavity and provided with at least two lenses, and each lens is respectively positioned at the corresponding lens hole;

the visual sensor is arranged in the accommodating cavity and electrically connected with the camera module, and the visual sensor is positioned at the first through hole.

2. The image capture device of claim 1 wherein the camera module has three lenses, and the housing has three lens apertures, each lens being located in a respective one of the lens apertures.

3. The image capturing apparatus according to claim 1 or 2, wherein the housing includes:

a base body;

the cover body is detachably connected with the base body, and the cover body and the base body can be enclosed into the accommodating cavity when being connected in a matched mode.

4. The image capturing device as claimed in claim 3, wherein the base and the cover are connected by a screw and/or a snap.

5. The image capturing device as claimed in claim 1 or 2, further comprising a plurality of auxiliary fixing plates, wherein the plurality of auxiliary fixing plates are disposed in the accommodating cavity, each of the plurality of auxiliary fixing plates is respectively provided with a plurality of second through holes, and the plurality of auxiliary fixing plates are sleeved on the lens.

6. The image capturing apparatus according to claim 1 or 2, characterized by further comprising:

the mounting bracket is arranged in the accommodating cavity;

the circuit board is arranged on the mounting bracket, and the camera module and the vision sensor are arranged on the circuit board.

7. The image capturing apparatus as claimed in claim 6, wherein the mounting bracket has a plurality of first heat dissipating holes, the housing has a plurality of second heat dissipating holes, and the plurality of second heat dissipating holes correspond to the plurality of first heat dissipating holes one to one.

8. The image capturing apparatus of claim 1 or 2, further comprising a video frame memory electrically connected to the vision sensor, the video frame memory configured to buffer image information.

9. The image capturing device as claimed in claim 8, further comprising a voltage conversion module, wherein the voltage conversion module is configured to connect to an input power source, convert a voltage of the input power source into a stable operating voltage, and supply power to the camera module.

10. The image capturing apparatus of claim 9, further comprising a protection module disposed between the input power source and the voltage conversion module.