Miniaturized wide-view-field waterproof anti-vibration underwater camera

Abstract

The invention discloses a miniaturized wide-view-field waterproof anti-vibration underwater camera, and belongs to the technical field of underwater camera sealing design. The underwater camera comprises a camera lens protection structure, a shell, a wide-field camera and a rear cover; the protective glass in the camera lens protection structure has better vibration resistance by being filled with the natural rubber, and the inner and outer watertightness of the protective glass is realized through the matching of the pressing ring and the rubber pad; the wide-view-field camera is fixed inside the shell, the camera lens protection structure and the rear cover are respectively mounted at the front end and the rear end of the shell, and the camera lens protection structure and the rear cover are watertight with the shell inside and outside in a manner that O-shaped rings are mounted on matched excircle surfaces and rubber pads are mounted on end surfaces. According to the waterproof and anti-vibration camera lens protection structure with the sealing ring, the protection glass cannot be easily shattered in the using process, and meanwhile the good waterproof and anti-vibration performance is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of underwater camera sealing design, and in particular to a miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera. Background Art

[0002] With the development of society, the demand for underwater video and photography is increasing. When the camera is placed underwater, it needs to have a higher waterproof level of IP68. How to prevent moisture from entering the device and ensure the dryness of the internal components of the device is a prerequisite for the long-term stable operation of the equipment.

[0003] Some underwater cameras are mounted on underwater platforms to work. The length of the underwater camera must not exceed 100mm. It must also have good vibration resistance and electromagnetic sealing to prevent the vibration of the underwater platform from causing damage to the lens glass and electromagnetic radiation from affecting the camera's normal shooting function. Summary of the invention

[0004] In view of this, the present invention provides a miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera, which adopts a waterproof and vibration-resistant camera lens protection structure with a sealing ring to prevent the protective glass from being easily shattered during use, and has good waterproof and vibration-resistant properties.

[0005] A miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera, comprising a camera lens protection structure, a housing, a wide-field-of-view camera and a back cover;

[0006] The protective glass in the camera lens protection structure is filled with recycled rubber to make it have good vibration resistance, and the pressure ring and the rubber pad are used to achieve watertightness inside and outside the protective glass;

[0007] The wide-field-of-view camera is placed inside the shell, and the camera lens protection structure and the back cover are respectively installed at the front and rear ends of the shell. The camera lens protection structure and the back cover are also watertight inside and outside the shell by installing O-rings on the matching outer circular surfaces and rubber pads on the end faces.

[0008] Further, the camera lens protection structure includes a pressure ring, a protective glass, a rubber pad, a cover body, a fastening screw and an O-ring;

[0009] The cover body is provided with two right-angle step surfaces inside, and a radial convex edge is provided on the outer circumference of the cover body, and screw holes are processed on the radial convex edge; a rubber pad is arranged on the step surface at the bottom of the cover body, and a protective glass is placed on the surface of the rubber pad. After the protective glass is centered in the inner hole, Huitian glue is filled around the protective glass, and a rubber pad is placed on the upper surface of the protective glass. The pressure ring presses the rubber pad by cooperating with the thread of the inner hole of the cover body, and the fastening screw passes through the cover body in the radial direction to fasten the pressure ring, and gaps are left between the upper and lower surfaces of the protruding part of the rubber pad and the pressure ring and the right-angle step surface on the upper part; a sealing groove is processed on the outer circumference of the cover body, and an O-ring is installed in the sealing groove. A rubber pad is arranged on one side of the radial convex edge. After the end of the cover body with the O-ring is installed in the shell, axial limitation is realized through the radial convex edge. The screw passes through the screw hole on the cover body to fix the camera lens protection structure to the end face of the shell, and the O-ring and the rubber pad realize radial and axial sealing between the cover body and the shell.

[0010] Furthermore, the rubber pad is made of conductive rubber.

[0011] Furthermore, the rear cover is provided with a screw hole, and the screw hole cooperates with the installation of the air nozzle screw and the rubber pad for nitrogen filling and drying the interior of the shell.

[0012] Furthermore, the wide-field-of-view camera has a horizontal field-of-view angle of 67° and a vertical field-of-view angle of 41°.

[0013] Beneficial effects:

[0014] 1. The protective glass in the camera lens protection structure of the present invention has good vibration resistance by filling Huitian rubber, and the protection glass is watertight inside and outside through the cooperation of the pressure ring and the rubber pad; so that the protection glass will not be easily shattered during use, while taking into account the waterproof performance.

[0015] 2. A sealing groove is processed on the outer circumference of the cover body of the present invention, an O-ring is installed in the sealing ring, and a sealing gasket is provided on one side of the radial convex edge. After the end of the cover body with the O-ring is installed in the housing, the axial limit is achieved through the radial convex edge. The screw passes through the screw hole on the cover body to fix the camera lens protection structure to the end face of the housing. The O-ring and the gasket achieve radial and axial sealing between the cover body and the housing. The rear cover adopts the same structure to achieve sealing with the housing. The above sealing structure makes the overall structure of the underwater camera compact, and the length of its maximum structural shape is no more than 100mm.

[0016] 3. The rubber pad of the present invention is made of conductive rubber, so that the camera housing has good electromagnetic sealing performance and can better pass the electromagnetic compatibility test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the appearance structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the main body of the camera lens protection structure

[0019] Figure 3 This is a schematic diagram of the main assembly of the camera lens protection structure

[0020] Figure 4 It is the main assembly schematic diagram of the present invention

[0021] In the figure: 1-camera lens protection structure, 2-housing, 3-back cover, 4-pressure ring, 5-rubber pad 1, 6-protective glass, 7-rubber pad 2, 8-cover, 9-fastening screw, 10-rubber pad 3, 11-O-ring 1, 12-wide field camera, 13-rubber pad 4, 14-screw, 15-air nozzle screw, 16-rubber pad 5, 17-O-ring 2. DETAILED DESCRIPTION

[0022] The present invention is described in detail below with reference to the accompanying drawings and embodiments.

[0023] As attached Figure 1 and 4 As shown, the present invention provides a miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera, comprising a camera lens protection structure 1, a housing 2, a wide-field-of-view camera 12 and a back cover 3, wherein as shown in the attached Figure 2 As shown, the camera lens protection structure 1 includes a pressure ring 4, a protective glass 6, a rubber pad, a cover body 8, a fastening screw 9, an O-ring 11 and a plurality of rubber pads.

[0024] The cover body 8 has two right-angle step surfaces inside, and a radial convex edge is provided on the outer circumference of the cover body 8, and screw holes are processed on the radial convex edge; a rubber pad 2 7 is arranged on the step surface at the bottom of the cover body 8, and the protective glass 6 is placed on the surface of the rubber pad 2 7. After the protective glass 6 is centered in the inner hole, the protective glass 6 is filled with recycled rubber around, and a rubber pad 1 5 is placed on the upper surface of the protective glass. The pressure ring 4 presses the rubber pad 1 5 by cooperating with the thread of the inner hole of the cover body 8, and the fastening screw 9 passes through the cover body 8 in the radial direction to fasten the pressure ring 4, and the rubber There are gaps between the upper and lower surfaces of the protruding part of the rubber pad 5 and the pressure ring 4 and the upper right-angle step surface; a sealing groove is processed on the outer circumference of the cover body 8, and an O-ring 11 is installed in the sealing groove. A rubber pad 3 10 is provided on one side of the radial convex edge. After the end of the cover body with the O-ring is installed in the shell, axial limitation is achieved through the radial convex edge. Screws pass through the screw holes on the cover body to fix the camera lens protection structure 1 on the end face of the shell 2. The O-ring 11 and the rubber pad 3 10 achieve radial and axial sealing between the cover body 8 and the shell 2.

[0025] The assembly process of the present invention is as follows: put the rubber pad 2 7 on the right-angle step surface at the bottom of the cover 8, install the protective glass 6, and after the protective glass 6 is centered in the inner hole, fill the gap around the protective glass 6 with recycled glue to make it have better vibration resistance, so that the protective glass 6 will not be easily shattered during use, while taking into account the waterproof performance. Then install the rubber pad 1 5 and the pressure ring 4 in turn, and tighten the pressure ring 4. After the glue is completely dry, use four M2 screws 9 to press the pressure ring 4. Make it unable to loosen.

[0026] After the wide-field camera 12 is fixed inside the housing 2 by screws, the serial number camera lens protection structure 1 is fixed to the front end of the housing 2 by eight M3 screws 14 so that the rubber pad three 10 and the O-ring 11 are fixed. Similarly, the back cover 3 is fixed to the rear of the housing 2 by eight M3 screws 14 so that the rubber pad four 13 and the O-ring two 17 are fixed. Use rubber pad three 10, serial number 11-O-ring one 11, rubber pad four 13 and O-ring two 17 for sealing. Here, the rubber pad and O-ring are used for double waterproof design, which has better waterproof performance. Finally, the air nozzle screw 15 and rubber pad five 16 are fixed to the back cover 3. Among them, the air nozzle screw 15 and rubber pad five 16 are used for nitrogen filling and drying inside the product. Rubber pad three 10, rubber pad four 13 and rubber pad five 16 are all made of conductive rubber, so that the camera housing has good electromagnetic sealing. It can better pass the electromagnetic compatibility test.

[0027] The invention adopts a wide-view camera with a horizontal field angle of 67° and a vertical field angle of 41°, which is better than most underwater cameras currently on the market. The underwater camera of the invention has a compact overall structure, and the length of its maximum structural shape is no more than 100 mm.

[0028] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera, characterized in that: Includes camera lens protection structure, housing, wide field of view camera and back cover; The protective glass in the camera lens protection structure is filled with recycled rubber to make it have good vibration resistance, and the pressure ring and the rubber pad are used to achieve watertightness inside and outside the protective glass; The wide-field-of-view camera is fixed inside the shell, and the camera lens protection structure and the back cover are respectively installed at the front and rear ends of the shell. The camera lens protection structure and the back cover are also watertight inside and outside the shell by installing O-rings on the matching outer cylindrical surfaces and rubber pads on the end faces.

2. The miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera according to claim 1, characterized in that: The camera lens protection structure comprises a pressure ring, a protective glass, a rubber pad, a cover body, a fastening screw and an O-ring; The cover body is provided with two right-angle step surfaces inside, and a radial convex edge is provided on the outer circumference of the cover body, and screw holes are processed on the radial convex edge; a rubber pad is arranged on the step surface at the bottom of the cover body, and a protective glass is placed on the surface of the rubber pad. After the protective glass is centered in the inner hole, Huitian glue is filled around the protective glass, and a rubber pad is placed on the upper surface of the protective glass. The pressure ring presses the rubber pad by cooperating with the thread of the inner hole of the cover body, and the fastening screw passes through the cover body in the radial direction to fasten the pressure ring, and gaps are left between the upper and lower surfaces of the protruding part of the rubber pad and the pressure ring and the right-angle step surface on the upper part; a sealing groove is processed on the outer circumference of the cover body, and an O-ring is installed in the sealing groove. A rubber pad is arranged on one side of the radial convex edge. After the end of the cover body with the O-ring is installed in the shell, axial limitation is realized through the radial convex edge. The screw passes through the screw hole on the cover body to fix the camera lens protection structure to the end face of the shell, and the O-ring and the rubber pad realize radial and axial sealing between the cover body and the shell.

3. The miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera according to claim 2, characterized in that: The rubber pad is made of conductive rubber.

4. The miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera according to claim 3, characterized in that: The rear cover is provided with a screw hole, which is used to install the air nozzle screw and the rubber pad for nitrogen filling and drying the inside of the shell.

5. The miniaturized, wide-field-of-view, waterproof and vibration-resistant underwater camera according to claim 3 or 4, characterized in that: The wide-field-of-view camera has a horizontal field-of-view angle of 67° and a vertical field-of-view angle of 41°.

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