WO2023109489A1

WO2023109489A1 - Billion pixel-scale wide-field-of-view camera

Info

Publication number: WO2023109489A1
Application number: PCT/CN2022/134664
Authority: WO
Inventors: 袁潮; 温建伟; 赵月峰; 王洪胜
Original assignee: 北京拙河科技有限公司
Priority date: 2021-12-16
Filing date: 2022-11-28
Publication date: 2023-06-22
Also published as: CN114217502B; CN114217502A

Abstract

A billion pixel-scale wide-field-of-view camera, comprising: a main body mechanism and a camera module (300), the camera module (300) being detachably mounted inside the main body mechanism. The camera module (300) comprises multiple lens modules and a mounting frame, the multiple lens modules all being detachably mounted on the mounting frame, the multiple lens modules having consistent photographing angles in a vertical direction and photographing at different angles in a horizontal direction, angles of field of view of two adjacent lens modules having partially overlapping areas, and focal lengths of the multiple lens modules being the same. A lens module comprises a lens (303) and a module (304). Multiple lenses (303) are provided, video pictures photographed by each lens (303) are consistent in the vertical direction and are photographed at different angles in the horizontal direction, and the pictures photographed by the lenses (303) have certain overlapping areas, to ensure that there are sufficient features between pictures of adjacent lenses (303) for stitching and fusion, so that the field-of-view angle of the camera can reach 180°-360°. This causes the camera to have low image deformation while having a larger field of view, making it possible to expand to a higher resolution.

Description

A megapixel wide-field camera

technical field

The present invention relates to the technical field of photography, in particular to a camera with a wide field of view of 100 million pixels.

Background technique

Most of the existing 180° wide-field cameras are 4-eye cameras or fisheye cameras. Among them, the 4-eye camera is composed of 4 lens images spliced into a 180° video image; the fisheye camera usually has 1 lens, and its field of view reaches 180°.

At present, because the 4-eye camera has only 4 video images to splice, to achieve a field of view of 180° or even wider, it is determined that each lens also needs a larger field of view, which requires the focal length of each lens to be short. It is impossible to see distant targets clearly. Most of these cameras currently on the market have a focal length of 3.5mm-8mm. Moreover, the number of pixels of this existing camera usually does not exceed 34 million, and usually has a large picture distortion.

Fisheye camera: Generally, it is a single lens with low resolution and serious picture distortion.

To this end, we propose a megapixel wide-field camera.

Contents of the invention

The technical task of the present invention is to provide a 100 million-level pixel wide-field camera to solve the above-mentioned problems.

Technical scheme of the present invention is realized like this:

The present invention provides a 100 million-level pixel wide-field camera, which includes a main body and a camera module, and the camera module is detachably installed inside the main body;

The camera module includes several lens modules and a mounting frame, and several of the lens modules can be detachably mounted on the mounting frame. The shooting angles of several of the lens modules are consistent in the vertical direction, and different angles are shot in the horizontal direction. , the angles of view of two adjacent lens modules partially overlap, and the focal lengths of several lens modules are the same.

Preferably, the main body mechanism includes a bottom cavity, the top of the bottom cavity is detachably installed with a top cover, the front part of the bottom cavity is arc-shaped, and the front part of the bottom cavity is provided with A plurality of through holes, the plurality of through holes corresponding to the plurality of lens modules;

The mounting bracket includes an upper fixing bracket and a lower fixing bracket, the upper fixing bracket and the lower fixing bracket are both C-shaped, the upper fixing bracket is detachably mounted on the top of the lower fixing bracket, and the bottom The inner bottom of the cavity is fixedly connected with a mounting block, the bottom of the lower fixing frame is fixedly connected with the mounting block through bolts, and the inner sides of the upper fixing frame and the lower fixing frame are provided with a number of positioning slots, the The outer sides of the upper fixing frame and the lower fixing frame are provided with a plurality of positioning holes, and the positioning slots are connected with the positioning holes;

The lens module includes a lens and a module;

Wherein, the module includes a flange, a camera photosensitive device integrated circuit board and a video processing chip integrated circuit board, the camera photosensitive device integrated circuit board is fixedly installed on the bottom of the flange, and the video processing chip integrated circuit board The integrated circuit board of the photosensitive device of the camera is fixedly connected with the integrated circuit board of the photosensitive device of the camera, and the integrated circuit board of the video processing chip and the integrated circuit board of the photosensitive device of the camera are both provided with connecting terminals, and the two connecting terminals are connected through a cable. Electrically connected, the side of the flange away from the photosensitive device integrated circuit board of the camera is provided with a mounting hole, the flange is fixed and installed inside the positioning slot by bolts, and one end of the lens passes through the positioning slot. The hole is fixedly inserted into the inside of the installation hole;

A host is arranged inside the bottom cavity, and the host is connected to the integrated circuit board of the video processing chip.

Preferably, the shooting angles of the lenses on the upper fixing frame and the shooting angles of the lenses on the lower fixing frame are at the same horizontal position, and the shooting angles of the adjacent lenses have a partial overlapping area.

Preferably, a power supply module for power supply is installed inside the bottom cavity through a power supply installation board.

Preferably, a heat dissipation fan for heat dissipation is fixedly installed inside the bottom cavity.

Preferably, the top of the lower fixing frame is fixedly connected with a clip, the bottom of the upper fixing frame is provided with a card slot, the top of the clip is provided with a threaded hole, and the top of the upper fixing frame is provided with a jack, The upper fixing frame is fixedly installed on the top of the lower fixing frame by screw 2, the lower end of the screw 2 is threaded through the jack and installed inside the threaded hole, and the chuck is inserted into the slot .

Preferably, an installation groove is opened in the middle of the outer side of the lower fixing frame, and a fixing block is installed in the inside of the installation groove by bolts, and the bottom of the fixing block is fixedly connected with the bottom of the bottom cavity.

As a preference, a sealing ring is provided between the top cover and the bottom cavity, the top cover is fixedly mounted on the top of the bottom cavity by screws, and a number of heat sinks are equidistantly distributed on the top of the top cover. piece.

Preferably, a first limiting groove is provided on the outside of the bottom cavity outside the through hole, the first limiting groove communicates with the through hole, and the inside of the first limiting groove is fixed A transparent glass sheet is pasted, and a second limiting groove is provided on the outside of the bottom cavity outside the first limiting groove, and the second limiting groove communicates with the first limiting groove. A glass pressure ring for reinforcing the transparent glass sheet is fixedly pasted in the second limiting groove.

Preferably, the sealing ring is a rubber sealing ring.

Compared with prior art, advantage and positive effect of the present invention are:

1. In the present invention, by arranging a plurality of lenses, the video pictures taken by each lens are consistent in the vertical direction, and different angles are shot in the horizontal direction, and the pictures taken by each camera have a certain overlapping area to ensure that there is enough space between adjacent lens pictures. Features are used for splicing and fusion, and the camera field of view can reach 180°-360°, so that the camera has a larger field of view while the image is less deformed, and can be expanded to a higher resolution as needed;

2. In the present invention, the lens is distributed on the upper and lower fixing frames by adopting a two-layer design, which effectively reduces the volume of the camera body.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of a kind of megapixel wide field of view camera of the present invention;

Fig. 2 is a schematic diagram of an explosion structure of a 100-million-level pixel wide-field camera of the present invention;

3 is a schematic structural view of the bottom cavity of a billion-level pixel wide-field camera of the present invention;

Fig. 4 is a schematic diagram of an exploded structure of a camera module of a 100 million-level pixel wide-field camera of the present invention;

Fig. 5 is a structural schematic diagram of an upper fixing frame of a 100-million-level pixel wide-field camera of the present invention;

Fig. 6 is a structural schematic diagram of a lower fixing frame of a 100-million-level pixel wide-field camera of the present invention;

Fig. 7 is a schematic structural diagram of a module of a 100-million-level pixel wide-field camera according to the present invention;

Fig. 8 is the photographed image of a kind of megapixel wide-field camera of the present invention;

Figure 9 is an image taken by an existing 4-eye camera.

In the figure: 100, bottom cavity; 101, top cover; 1011, heat sink; 102, screw one; 103, sealing ring; 104, through hole; 105, first limiting groove; 106, second limiting groove; 107, transparent glass sheet; 108, glass pressure ring; 109, installation block; 110, cooling fan; 112, fixed block; 113, power supply installation plate;

200, host; 300, camera module; 301, upper fixing frame; 302, lower fixing frame; 303, lens; 304, module; 3041, flange; 30411, mounting hole; , video processing chip integrated circuit board; 3045, copper pillar; 305, positioning groove; 306, positioning hole; 307, card slot; 308, threaded hole;

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in FIGS. 1-7 , a megapixel wide-field camera according to an embodiment of the present invention includes a main body and a camera module 300, and the camera module 300 is detachably installed inside the main body;

The camera module 300 is made up of several lens modules and mounting frame, and several lens modules can be disassembled and installed on the mounting frame, and the photographing angles of several lens modules are consistent in the vertical direction, and different angles are photographed in the horizontal direction, in order to ensure that each lens module There are enough features between the captured pictures for splicing and fusion, the angles of view of two adjacent lens modules partially overlap, and the focal lengths of several lens modules are the same.

As shown in Figures 1-7, the main mechanism is composed of a bottom cavity 100 and a top cover 101, and the top cover 101 is fixedly installed on the top of the bottom cavity 100 by a screw 102, and the front part of the bottom cavity 100 is arc-shaped Setting, the front portion of the bottom cavity 100 is provided with several through holes 104, and the several through holes 104 correspond to several lens modules one by one. The diameter of the through holes 104 is determined according to the field of view of different lens modules. Directly bigger.

Because each lens module needs to be at the same height in the field of view, in order to reduce the overall volume of the camera, the mounting frame is set in two layers, as shown in Figure 2, Figure 4-6, the mounting frame is fixed by the upper fixing frame 301 and the lower frame 302, the upper fixed frame 301 and the lower fixed frame 302 are C-shaped settings, the upper fixed frame 301 is detachably installed on the top of the lower fixed frame 302, the inner bottom of the bottom cavity 100 is fixedly connected with a mounting block 109, and the lower fixed frame The bottom of 302 is fixedly connected with mounting block 109 by bolts, and the inner side of upper fixed frame 301 and lower fixed frame 302 are all provided with some positioning grooves 305, and the outer sides of upper fixed frame 301 and lower fixed frame 302 are all provided with some positioning holes 306, The positioning groove 305 communicates with the positioning hole 306;

As shown in FIGS. 4-7 , the lens module includes a lens 303 and a module 304;

As shown in Figures 4-7, the module 304 is composed of a flange 3041, a camera photosensitive device integrated circuit board 3042 and a video processing chip integrated circuit board 3043, and the camera photosensitive device integrated circuit board 3042 is fixedly installed on the bottom of the flange 3041. The video processing chip integrated circuit board 3043 and the camera photosensitive device integrated circuit board 3042 are fixedly connected by copper pillars 3045. Both the video processing chip integrated circuit board 3043 and the camera photosensitive device integrated circuit board 3042 are provided with connection terminals. The mounting hole 30411 is opened on the side of the flange 3041 far away from the integrated circuit board 3042 of the photosensitive device of the camera through a cable connection. In order to obtain cameras with different vertical viewing angles, the photosensitive components can be placed horizontally or vertically.

Continue to refer to Fig. 4-Fig. 6, the flange 3041 is horizontally fixed and installed inside the positioning groove 305 by bolts, one end of the lens 303 passes through the positioning hole 306 and is fixedly inserted into the inside of the mounting hole 30411, the upper fixing frame 301 and the lower fixing The positioning groove 305 on the frame 302 for positioning the flange 3041 is determined according to the focal length of the lens 303, and the shooting angle of view of the lens 303 on the upper fixed frame 301 and the shooting angle of view of the lens 303 on the lower fixed frame 302 are at the same horizontal position , the shooting angles of adjacent lenses 303 partially overlap, and the shooting angles of the cameras are relatively low at this time;

When it is necessary to increase the vertical field of view of the camera, the flange 3041 can be installed vertically on the positioning groove 305 through bolts. When the photosensitive element is placed vertically, although the vertical field of view increases, the single photosensitive element The horizontal field of view of the device is correspondingly reduced, so when the entire camera wants to achieve the same field of view, for example, 180°, more lenses 303 are required.

A host 200 is arranged inside the bottom cavity 100 , and the host 200 is connected to a video processing chip integrated circuit board 3043 .

A power supply module for supplying power is installed inside the bottom cavity 100 via the power supply mounting plate 113 .

By adopting the above-mentioned technical solution, it is convenient to supply power to the camera by setting the power supply module, and no external power adapter module is needed.

A heat dissipation fan 110 for heat dissipation is fixedly installed inside the bottom cavity 100 .

By adopting the above technical solution, the heat in the bottom cavity 100 can be dissipated, and the service life of the internal equipment can be avoided due to high temperature.

The top of the lower fixed frame 302 is fixedly connected with a clip 309, the bottom of the upper fixed frame 301 is provided with a draw-in groove 307, the top of the clip 309 is provided with a threaded hole 308, the top of the upper fixed frame 301 is provided with a socket, and the top of the upper fixed frame 301 is provided with a socket. The screw 2 311 is fixedly installed on the top of the lower fixing frame 302 , the lower end of the screw 2 311 is threaded through the socket and installed in the threaded hole 308 , and the chuck 309 is inserted into the slot 307 .

By adopting the above-mentioned technical scheme, by arranging the chuck 309 to cooperate with the slot 307, it is convenient to quickly dock the upper fixing frame 301 on the lower fixing bracket 302, and at the same time put the threaded hole 308 on, as long as the chuck 309 is snapped into the slot 307, That is, the insertion hole is aligned with the threaded hole 308 to facilitate the fastening of the second screw 311 .

The outer middle part of the lower fixed frame 302 is provided with a mounting groove 310, and the inside of the mounting groove 310 is fixed with a fixed block 112 by bolts, and the bottom of the fixed block 112 is fixedly connected with the bottom of the bottom cavity 100.

By adopting the above technical solution, it is convenient to further strengthen the lower fixing frame 302 , so that the camera module 300 can be firmly installed inside the bottom cavity 100 .

A sealing ring 103 is provided between the top cover 101 and the bottom cavity 100 , the sealing ring 103 is a rubber sealing ring, and a plurality of cooling fins 1011 are equidistantly distributed on the top of the top cover 101 .

By adopting the above technical solution, by arranging the sealing ring 103 between the top cover 101 and the bottom cavity 100, water seepage inside the bottom cavity 100 can be effectively avoided, and the waterproof performance of the camera can be improved. By disposing the heat sink 1011 on the top of the top cover 101, the heat inside the bottom cavity 100 can be further dissipated to the outside.

A first limiting groove 105 is provided on the outside of the outer bottom cavity 100 of the through hole 104, the first limiting groove 105 communicates with the through hole 104, and a transparent glass sheet 107 is fixedly pasted inside the first limiting groove 105, A second limiting groove 106 is provided on the outside of the outer bottom cavity 100 of the first limiting groove 105, and the second limiting groove 106 communicates with the first limiting groove 105, and the second limiting groove 106 is useful for fixing and sticking The glass pressure ring 108 used to reinforce the transparent glass sheet 107.

By adopting the above technical solution, the transparent glass sheet 107 can protect the lens 303, and at the same time, the transparent glass sheet 107 can be further strengthened to prevent it from falling off by arranging the glass pressure ring 108.

In order to facilitate the understanding of the above-mentioned technical solution of the present invention, the working principle or operation mode of the present invention in the actual process will be described in detail below.

In actual application, when shooting, each lens 303 transmits the captured image to the video processing chip integrated circuit board 3043 through the camera photosensitive device integrated circuit board 3042 on the module 304, and the video processing chip integrated circuit board 3043 extracts the information After processing, send it to the host 200. After receiving the images sent by all the modules 304, the host 200 sorts out the images, piece together and fuse them according to the overlapping areas of the pictures, and finally form a complete picture. By referring to FIG. 8 Compared with the two sets of images in Figure 9, you can clearly make a comparison. The images captured by this megapixel wide-field camera have a larger field of view and less distortion.

To sum up, by setting a plurality of lenses 303, the video pictures taken by each lens 303 are consistent in the vertical direction, and different angles are shot in the horizontal direction. There are enough features for splicing and fusion, and the field of view of the camera can reach 180°-360°, which makes the camera have a larger field of view while the image is less deformed, and can be expanded to a higher resolution as needed;

By adopting a two-layer design, the lenses are distributed on the upper and lower mounts, effectively reducing the volume of the camera body.

Those skilled in the art should understand that the embodiments herein may be provided as methods, devices (devices), or computer program products. Accordingly, this document may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, it may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein. Computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information, such as computer readable instructions, data structures, program modules, or other data , including but not limited to RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, tape, magnetic disk storage or other magnetic storage devices, or can be used in Any other medium, etc. that stores desired information and can be accessed by a computer. In addition, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .

This document is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices) and computer program products according to embodiments herein. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more processes of the flowchart and/or one or more blocks of the block diagram

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.

As used herein, the terms "comprises", "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion such that an article or device comprising a set of elements includes not only those elements but also other elements not expressly listed. elements, or also elements inherent in such articles or equipment. Without further limitations, an element defined by the word "comprising..." does not exclude the presence of additional identical elements in the article or device comprising said element.

While the preferred embodiments herein have been described, additional changes and modifications can be made to these embodiments by those skilled in the art once the basic inventive concept is appreciated. Therefore, it is intended that the appended claims be interpreted to cover the preferred embodiment and all changes and modifications which fall within the scope of the text.

Obviously, those skilled in the art can make various changes and modifications to this document without departing from the spirit and scope of this document. In this way, if these modifications and variations herein fall within the scope of the claims herein and their equivalent technologies, the intent of this document also includes these modifications and variations.

Claims

A camera with a megapixel wide field of view, characterized in that it includes a main body mechanism and a camera module (300), and the camera module (300) is detachably mounted inside the main body mechanism;

Wherein, the camera module (300) includes several lens modules and mounting frames, and several of the lens modules can be detachably mounted on the mounting frame, and the shooting angles of several of the lens modules are consistent in the vertical direction, Shooting at different angles, the angles of view of two adjacent lens modules partially overlap, and the focal lengths of several lens modules are the same;

The main body mechanism includes a bottom cavity (100), a top cover (101) is detachably installed on the top of the bottom cavity (100), and the front part of the bottom cavity (100) is arranged in an arc shape, so The front part of the bottom cavity (100) is provided with a plurality of through holes (104), and the plurality of through holes (104) are in one-to-one correspondence with the plurality of lens modules;

The lens module includes a lens (303) and a module (304);

Wherein, the module (304) includes a flange (3041), a camera photosensitive device integrated circuit board (3042) and a video processing chip integrated circuit board (3043), and the camera photosensitive device integrated circuit board (3042) is fixedly installed on The bottom of the flange (3041), the video processing chip integrated circuit board (3043) and the camera photosensitive device integrated circuit board (3042) are fixedly connected by copper pillars (3045), and the video processing chip integrated Both the circuit board (3043) and the integrated circuit board (3042) of the photosensitive device of the camera are provided with connection terminals, and the two connection terminals are electrically connected by a cable, and the flange (3041) is far away from the photosensitive device of the camera One side of the integrated circuit board (3042) is provided with a mounting hole (30411), the flange (3041) is fixed and installed inside the positioning groove (305) by bolts, and one end of the lens (303) passes through the positioning hole (306 ) is fixedly plugged into the inside of the mounting hole (30411);

Wherein, the inside of the bottom cavity (100) is provided with a host (200), the host (200) is connected to the integrated circuit board (3043) of the video processing chip, and the lens ( The shooting angle of view of 303) is at the same horizontal position as the shooting angle of view of the lens (303) on the lower fixing bracket (302), and the shooting angle of view of adjacent said lenses (303) has a partial overlapping area;

Wherein, the mounting bracket includes an upper fixing bracket (301) and a lower fixing bracket (302), the upper fixing bracket (301) and the lower fixing bracket (302) are C-shaped settings, and the upper fixing bracket ( 301) is detachably mounted on the top of the lower fixing frame (302), the inner bottom of the bottom cavity (100) is fixedly connected with a mounting block (109), and the bottom of the lower fixing frame (302) is connected to the bottom of the lower fixing frame (302) by bolts The mounting block (109) is fixedly connected, and the inner sides of the upper fixing frame (301) and the lower fixing frame (302) are provided with a plurality of positioning slots (305), and the upper fixing frame (301) and the The outer sides of the lower fixing frame (302) are provided with several positioning holes (306), and the positioning grooves (305) communicate with the positioning holes (306);

The top of the lower fixed frame (302) is fixedly connected with a clip (309), the bottom of the upper fixed frame (301) is provided with a draw-in groove (307), and the top of the clip (309) has a threaded hole ( 308), the top of the upper fixing frame (301) is provided with jacks, and the upper fixing frame (301) is fixedly installed on the top of the lower fixing frame (302) by screw two (311), and the screw two The lower end of (311) passes through the jack and is threadedly installed inside the threaded hole (308), and the chuck (309) is inserted into the slot (307);

When shooting, each lens (303) transmits the captured image to the video processing chip integrated circuit board (3043) through the camera photosensitive device integrated circuit board (3042) on the module (304), and the video processing chip integrated circuit board (3043 ) extracts and processes the information and sends it to the host (200). After the host (200) receives the images sent by all the modules (304), it sorts out each image, splicing and merging the images according to the overlapping areas of the images, and finally form a complete picture.
A kind of megapixel wide-field camera according to claim 1, characterized in that:

Wherein, a power supply module for power supply is installed inside the bottom cavity (100) through a power supply installation plate (113);

A heat dissipation fan (110) for heat dissipation is fixedly installed inside the bottom cavity (100).
A kind of megapixel wide-field camera according to claim 1, characterized in that:

The outer middle part of the lower fixing frame (302) is provided with a mounting groove (310), and the inside of the mounting groove (310) is fixed with a fixed block (112) by bolts, and the bottom of the fixed block (112) is connected to the The bottom of the bottom cavity (100) is fixedly connected.
The megapixel wide-field camera according to claim 1, characterized in that: a sealing ring (103) is provided between the top cover (101) and the bottom cavity (100), and the top The cover (101) is fixedly installed on the top of the bottom cavity (100) by screw one (102), and several cooling fins (1011) are equidistantly distributed on the top of the top cover (101).
A camera with a megapixel wide field of view according to claim 1, characterized in that a first limiting groove (105) is provided outside the bottom cavity (100) outside the through hole (104) ), the first limiting groove (105) communicates with the through hole (104), and the inside of the first limiting groove (105) is fixedly pasted with a transparent glass sheet (107), which is located in the first The outside of the limit groove (105) is provided with a second limit groove (106) on the outside of the bottom cavity (100), and the second limit groove (106) is connected with the first limit groove (105) In communication with each other, a glass pressure ring (108) for reinforcing the transparent glass sheet (107) is fixedly pasted in the second limiting groove (106).
The gigapixel wide-field camera according to claim 4, characterized in that: the sealing ring (103) is a rubber sealing ring.