CN213780630U - Rear-view camera lens of high-pixel vehicle-mounted panoramic monitoring visual system - Google Patents
Rear-view camera lens of high-pixel vehicle-mounted panoramic monitoring visual system Download PDFInfo
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- CN213780630U CN213780630U CN202023202899.5U CN202023202899U CN213780630U CN 213780630 U CN213780630 U CN 213780630U CN 202023202899 U CN202023202899 U CN 202023202899U CN 213780630 U CN213780630 U CN 213780630U
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Abstract
The utility model relates to a high pixel vehicle-mounted panorama monitoring visual system's back vision camera lens, include: the device comprises a first lens, a second lens, a third lens, a diaphragm orifice plate, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the diaphragm orifice plate is provided with a diaphragm orifice and is positioned between the third lens and the fourth lens; the object space to the image plane of the camera lens are as follows: the device comprises a first lens, a second lens, a third lens, a diaphragm orifice plate, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the utility model provides a lens cone uses aluminum product AL6061, has both alleviateed weight, has improved the intensity of camera lens again. The utility model discloses a BBAR membrane is plated on partial surface of lens in order to reduce the reverberation, absorbs and has dispersed the inside stray light that produces of camera lens at to a great extent, makes the stray light energy on image plane reduce by a wide margin.
Description
Technical Field
The utility model relates to a back vision camera lens, concretely relates to light in weight, the stray light energy of intensity height, image plane is few, can effectively take out the high pixel vehicle-mounted panorama monitoring visual system's of truest photo back vision camera lens.
Background
Safety is a basic pursuit of people, after a certain economic foundation exists, the consciousness forms of people are also changed, and higher-level and wider safety requirements can be pursued gradually. Compared with the insurance market more than ten years ago, most people now have insurance consciousness, and the insurance is not so hard, which is the inevitable result of social progress. The same is true for automobile safety, and the problem of existing automobiles is solved, so that the safety problems in various aspects, from driving safety to parking safety, parking safety and the like, are solved.
With the development of the automobile industry in China, the automobile navigation market is gradually mature, consumers are pursuing safety, convenience and use more and more, according to the trend, most automobile manufacturers in China have the intention and action of taking the panoramic looking-around system as standard configuration on luxury saloon cars, and the configuration is a trend of many automobiles in the future.
The defects of the traditional technology are as follows: (1) the lens manufactured by the traditional technology can generate ghost images when being shot under strong light; (2) the lens manufactured by the traditional technology has a small aperture, and the quality of the picture shot in a dark light environment is poor, so that the lens is not suitable for all-weather use; (3) the lens manufactured by the traditional technology has low strength, is used under relatively severe conditions, and is easy to damage.
The reasons for the above disadvantages are: (1) the lens of the camera is composed of a plurality of lenses, the lenses are made of materials such as glass or plastic, and if no special treatment is carried out, the surface of the lens can reflect about 5% of incident light. When strong light enters the lens, multiple reflections are generated inside each lens and the camera, so that the phenomenon that people see in actual shooting is ghost. (2) The lens is made into a large aperture and is limited by a plurality of factors, the larger the aperture is, the more complicated the lens is required for clear imaging, each lens structure has a limit aperture, the larger the aperture is, the more complicated the structure is, and the complicated structure brings a plurality of negative effects. Among them is the most influential: loss caused by multiple reflections; ② the requirement of assembly precision is very high.
SUMMERY OF THE UTILITY MODEL
To the above problem, the main object of the present invention is to provide a back-view camera lens of a high-pixel vehicle-mounted panoramic monitoring vision system, which is light in weight, high in strength, low in stray light energy at image surface, and capable of effectively shooting the truest photo.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a rearview camera lens for a high-pixel vehicle-mounted panoramic surveillance vision system, the rearview camera lens for a high-pixel vehicle-mounted panoramic surveillance vision system comprising: the device comprises a first lens, a second lens, a third lens, a diaphragm orifice plate, a fourth lens, a fifth lens, a sixth lens and a seventh lens;
the diaphragm orifice plate is provided with a diaphragm orifice and is positioned between the third lens and the fourth lens;
the object space to the image plane of the camera lens are as follows: the device comprises a first lens, a second lens, a third lens, a diaphragm orifice plate, a fourth lens, a fifth lens, a sixth lens and a seventh lens;
BBAR films are plated on the image surface and the object surface of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens; the sixth lens is an optical filter, the seventh lens is a protective glass lens, and both the image surface and the object surface of the seventh lens are plated with BBAR films;
after the first lens and the second lens are installed, step parts matched with the outer frame are formed on the first lens and the second lens; one side of the object surface of the first lens is provided with a convex part matched with the outer frame;
the image surface of the second lens is provided with a step part matched with the outer frame;
the object surface of the third lens is provided with a step part matched with the outer frame;
after the fourth lens and the fifth lens are installed, step parts matched with the outer frame are formed on the object surface of the fifth lens by the fourth lens and the fifth lens.
In a specific embodiment of the present invention, the object plane of the first lens is a spherical surface, the curvature radius is 18.834mm, and the center thickness of the first lens is 1.002 mm; the image plane of the first lens is spherical, the curvature radius is 3.5137mm, and the distance from the image plane of the first lens to the object plane of the second lens is 3.246 mm.
In a specific embodiment of the present invention, the object plane of the second lens is a spherical surface, the curvature radius is-6.2715 mm, and the center thickness of the second lens is 2.581 mm; the image plane of the second lens is spherical, the curvature radius is 3.0671mm, and the image plane of the second lens is 1.0676mm away from the object plane of the third lens.
In a specific embodiment of the present invention, the object plane of the third lens is a spherical surface, the curvature radius is 6.4618mm, and the center thickness of the third lens is 3.934 mm; the image plane of the third lens is a spherical surface, the curvature radius is 6.4618mm, and the distance from the image plane of the third lens to the diaphragm orifice plate is 3.0852 mm.
In a specific embodiment of the present invention, the object plane of the fourth lens is a spherical surface, the curvature radius is 3.5968mm, and the center thickness of the fourth lens is 1.7386 mm; the image plane of the fourth lens is a spherical surface, the curvature radius is 2.1166mm, and the distance from the image plane of the fourth lens to the object plane of the fifth lens is 0.
In a specific embodiment of the present invention, the object plane of the fifth lens is a spherical surface, the curvature radius is-2.1166 mm, and the center thickness of the fifth lens is 2.4723 mm; the image plane of the fifth lens is a spherical surface, the curvature radius is-19.1328 mm, and the distance from the central vertex of the image plane of the fifth lens to the central vertex of the object plane of the sixth lens is 0.1 mm.
In the embodiment of the present invention, the sixth lens is an optical filter, and the object plane and the surface image are both planes, with a thickness of 0.52mm and a distance of 2.0052mm from the object plane of the seventh lens.
In the embodiment of the present invention, the seventh lens is a protection glass, the image plane and the object plane are both flat planes, and the thickness of the seventh lens is 0.410 mm.
In an embodiment of the present invention, the distance between the aperture plate and the central vertex of the fourth lens object plane is 0.7958 mm.
The utility model discloses an actively advance the effect and lie in: the utility model provides a high pixel vehicle-mounted panorama monitoring visual system's back vision camera lens has following advantage: the utility model provides a lens cone uses aluminum product AL6061, has both alleviateed weight, has improved the intensity of camera lens again. The utility model discloses have high environmental suitability, can pass through the reliability test of on-vehicle usage, waterproof dustproof grade reaches IP 54. The utility model discloses a BBAR membrane is plated on partial surface of lens in order to reduce the reverberation, absorbs and has dispersed the inside stray light that produces of camera lens at to a great extent, makes the stray light energy on image plane reduce by a wide margin. The utility model discloses the distortion of camera lens is little, can effectively take out the truest photo. The utility model discloses a light ring is big, can increase the luminous flux, reduces the depth of field, makes the picture brighter, does benefit to the night scene and shoots.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The utility model discloses the name that well reference numeral corresponds:
the device comprises a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a fifth lens 5, a sixth lens 6, a seventh lens 7 and a diaphragm orifice plate 8.
Detailed Description
The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.
Fig. 1 is the utility model discloses an overall structure schematic diagram, as shown in fig. 1, the utility model provides a high pixel vehicle-mounted panorama monitoring vision system's back vision camera lens, including first lens 1, second lens 2, third lens 3, diaphragm orifice plate 8, fourth lens 4, fifth lens 5, sixth lens 6, seventh lens 8.
And the diaphragm orifice plate is provided with a diaphragm orifice and is positioned between the third lens and the fourth lens.
The object space to the image plane of the camera lens are as follows: the lens comprises a first lens, a second lens, a third lens, a diaphragm orifice plate, a fourth lens, a fifth lens, a sixth lens and a seventh lens.
BBAR films are plated on the image surface and the object surface of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens; the sixth lens is an optical filter, the seventh lens is a protective glass lens, and the image surface and the object surface of the seventh lens are both plated with BBAR films.
After the first lens and the second lens are installed, step parts matched with the outer frame are formed on the first lens and the second lens; one side of the object surface of the first lens is provided with a convex part matched with the outer frame.
The image plane of the second lens is provided with a step part matched with the outer frame.
The object plane of the third lens is provided with a step part matched with the outer frame.
After the fourth lens and the fifth lens are installed, step parts matched with the outer frame are formed on the object surface of the fifth lens by the fourth lens and the fifth lens.
The following are specific examples of implementation:
the detailed parameters of the design are listed in table 1, and the first row lists the main parameters of the lens, i.e., focal length F is 1.32mm, F/#is2.0, total optical track length TTL is 23mm, and image height h at a full field angle of 161 ° is 4.032 mm.
The title column of table 1 lists: "surface", "type", "radius of curvature", "thickness", "refractive index" and "Abbe's number". The lens element material is defined by a refractive index and an abbe number. In Table 1, a blank cell in the "refractive index" column indicates that the value in the "thickness" cell next to it is the distance to the next lens surface vertex. The "refractive index" column provides the refractive index of the lens material at 588 nm.
In Table 1, the radius of curvature of the object plane is infinite, i.e., the plane, at infinity from the center vertex of the next surface (object plane of lens 1).
Description of the drawings: hereinafter, the lens 1 denotes a first lens 1, the lens 2 denotes a second lens 2, the lens 3 denotes a third lens 3, the lens 4 denotes a fourth lens 4, the lens 5 denotes a fifth lens 5, the lens 6 denotes a sixth lens 6, and the lens 7 denotes a seventh lens 7.
In table 1, the surface 1 is the (1) object plane of the lens 1, which is a spherical surface with a radius of curvature of 18.834, and is 1.002mm away from the central vertex of the next surface (the (2) image plane of the lens 1), i.e. the center of the lens 1 has a thickness of 1.002mm, a refractive index of 1.772501, and an abbe number of 49.6352.
The surface 2 is the image surface of the lens 1(2), and the surface is a spherical surface with a curvature radius of 3.5137mm, and is 3.246mm away from the next surface (the object surface of the lens 2 (1)).
The surface 3 is the (1) object surface of the lens 2, the surface is a spherical surface, the curvature radius is-6.2715, the distance from the central vertex of the next surface (the (2) image surface of the lens 2) is 2.581mm, namely the central thickness of the lens 2 is 2.581mm, the refractive index is 1.53116, and the Abbe coefficient is 56.043828.
The surface 4 is the (2) image surface of the lens 2, which is spherical, has a radius of curvature of 3.0671mm, and is 1.0676mm away from the next surface (the (1) object surface of the lens 3).
The surface 5 is the (1) object surface of the lens 3, the surface is a spherical surface, the curvature radius is 6.4618, the central vertex of the surface is 3.934mm away from the central vertex of the next surface (the (2) image surface of the lens 3), namely the central thickness of the lens 3 is 3.939mm, the refractive index is 1.672702, and the Abbe coefficient is 32.1789.
The surface 6 is the image surface of the lens 3(2), which is spherical and has a radius of curvature of 6.4618 and is 3.0852mm from the next surface (aperture).
The surface 7 is a diaphragm aperture surface, the diaphragm aperture is a virtual surface, the thickness is infinitesimal and is 0.7958mm away from the central vertex of the next lens surface (lens 4(1) object surface).
The surface 8 is the (1) object surface of the lens 4, which is spherical and has a radius of curvature of 3.5968, and the central vertex of the surface is 1.7386mm away from the central vertex of the next surface (the (2) image surface of the lens 4 or the object surface of the lens 5), i.e. the central thickness of the lens 4 is 1.7386mm, the refractive index is 1.543915, and the abbe number is 55.951198.
The surface 9 is the image plane of the lens 4(2), since the distance between the surface and the object plane of the lens 5(1) is 0 and the curvature radius of the surface is the same, the surface 9 is the image plane of the lens 4(2) and the object plane of the lens 5(1), the surface is a spherical surface with a curvature radius of-2.1166, the distance from the next surface (the image plane of the lens 5 (2)) is 2.4723mm, namely the center thickness of the lens 5 is 2.4723mm, the refractive index is 1.63549, and the abbe number is 23.910931.
The surface 10 is the image surface of the lens 5(2), which is spherical, has a radius of curvature of-19.1328, and is 0.1mm away from the central vertex of the next surface (filter object surface (1)).
The sixth lens is a filter, and the seventh lens is protective glass. The surface 11 is the object plane of the filter (1), the surface is a plane, the curvature radius is infinite, the center vertex of the plane is 0.52mm away from the center vertex of the next surface (the image plane of the filter (2)), namely the thickness of the center of the filter is 0.52mm, the refractive index is 1.516797, and the Abbe coefficient is 62.212351.
The surface 12 is the image plane of the filter (2), which is a plane with infinite radius of curvature and 2.005mm from the next surface (chip protection glass (1)) object plane).
The surface 13 is the object plane of the chip protection glass (1), the plane is a plane, the curvature radius is infinite, and the distance from the next surface (the chip protection glass (2)) to the image plane) is 0.410mm, namely the chip protection glass is 0.410mm thick, the refractive index is 1.516797, and the Abbe coefficient is 62.212351.
The surface 14 is the chip protection glass (2) image plane, which is a plane with infinite radius of curvature 0.1285mm from the next surface (image plane).
The surface 15 is a lens imaging surface.
The utility model provides a lens cone uses aluminum product AL6061, has both alleviateed weight, has improved the intensity of camera lens again. The utility model discloses a high environmental suitability: the waterproof and dustproof grade can reach IP54 through the reliability test of vehicle-mounted application; BBAR film is plated on partial surface of the lens to reduce reflected light, stray light generated in the lens is absorbed and dispersed to a great extent, and stray light energy of an image surface is greatly reduced. The utility model discloses the distortion of camera lens is little, can effectively take out the truest photo. The utility model discloses a light ring can increase the luminous flux greatly, reduces depth of field, makes the picture brighter, does benefit to the night scene and shoots.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high pixel vehicle-mounted panorama monitoring visual system's back vision camera lens which characterized in that: the back vision camera lens of the high-pixel vehicle-mounted panoramic monitoring visual system comprises: the device comprises a first lens, a second lens, a third lens, a diaphragm orifice plate, a fourth lens, a fifth lens, a sixth lens and a seventh lens;
the diaphragm orifice plate is provided with a diaphragm orifice and is positioned between the third lens and the fourth lens;
the object space to the image plane of the camera lens are as follows: the device comprises a first lens, a second lens, a third lens, a diaphragm orifice plate, a fourth lens, a fifth lens, a sixth lens and a seventh lens;
BBAR films are plated on the image surface and the object surface of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens; the sixth lens is an optical filter, the seventh lens is a protective glass lens, and both the image surface and the object surface of the seventh lens are plated with BBAR films;
after the first lens and the second lens are installed, step parts matched with the outer frame are formed on the first lens and the second lens; one side of the object surface of the first lens is provided with a convex part matched with the outer frame;
the image surface of the second lens is provided with a step part matched with the outer frame;
the object surface of the third lens is provided with a step part matched with the outer frame;
after the fourth lens and the fifth lens are installed, step parts matched with the outer frame are formed on the object surface of the fifth lens by the fourth lens and the fifth lens.
2. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: the object plane of the first lens is a spherical surface, the curvature radius is 18.834mm, and the center thickness of the first lens is 1.002 mm; the image plane of the first lens is spherical, the curvature radius is 3.5137mm, and the distance from the image plane of the first lens to the object plane of the second lens is 3.246 mm.
3. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: the object plane of the second lens is a spherical surface, the curvature radius is-6.2715 mm, and the center thickness of the second lens is 2.581 mm; the image plane of the second lens is spherical, the curvature radius is 3.0671mm, and the image plane of the second lens is 1.0676mm away from the object plane of the third lens.
4. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: the object plane of the third lens is a spherical surface, the curvature radius is 6.4618mm, and the center thickness of the third lens is 3.934 mm; the image plane of the third lens is a spherical surface, the curvature radius is 6.4618mm, and the distance from the image plane of the third lens to the diaphragm orifice plate is 3.0852 mm.
5. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: the object plane of the fourth lens is a spherical surface, the curvature radius is 3.5968mm, and the center thickness of the fourth lens is 1.7386 mm; the image plane of the fourth lens is a spherical surface, the curvature radius is 2.1166mm, and the distance from the image plane of the fourth lens to the object plane of the fifth lens is 0.
6. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: the object plane of the fifth lens is a spherical surface, the curvature radius is-2.1166 mm, and the center thickness of the fifth lens is 2.4723 mm; the image plane of the fifth lens is a spherical surface, the curvature radius is-19.1328 mm, and the distance from the central vertex of the image plane of the fifth lens to the central vertex of the object plane of the sixth lens is 0.1 mm.
7. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: the sixth lens is an optical filter, the object plane and the surface image are both planes, the thickness of the sixth lens is 0.52mm, and the distance from the object plane of the seventh lens is 2.0052 mm.
8. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: the seventh lens is made of protective glass, the image plane and the object plane are both planes, and the thickness of the seventh lens is 0.410 mm.
9. The rearview camera lens of a high-pixel vehicle-mounted panoramic surveillance vision system of claim 1, wherein: and the distance between the diaphragm orifice plate and the central vertex of the fourth lens object plane is 0.7958 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202899.5U CN213780630U (en) | 2020-12-25 | 2020-12-25 | Rear-view camera lens of high-pixel vehicle-mounted panoramic monitoring visual system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023202899.5U CN213780630U (en) | 2020-12-25 | 2020-12-25 | Rear-view camera lens of high-pixel vehicle-mounted panoramic monitoring visual system |
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| CN213780630U true CN213780630U (en) | 2021-07-23 |
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| CN202023202899.5U Active CN213780630U (en) | 2020-12-25 | 2020-12-25 | Rear-view camera lens of high-pixel vehicle-mounted panoramic monitoring visual system |
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| CN (1) | CN213780630U (en) |
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