CN212965585U - 800 ten thousand pixel autopilot looks ahead short distance monitoring camera lens - Google Patents
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- CN212965585U CN212965585U CN202022223570.0U CN202022223570U CN212965585U CN 212965585 U CN212965585 U CN 212965585U CN 202022223570 U CN202022223570 U CN 202022223570U CN 212965585 U CN212965585 U CN 212965585U
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Abstract
The utility model relates to a 800 ten thousand pixels autopilot looks ahead low coverage monitoring camera lens, object space from camera lens is in proper order to image planes: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a diaphragm orifice plate, a fifth lens, a sixth lens, a seventh lens and an eighth lens; the object surface of the first lens is provided with an inclined surface part matched with the outer frame; the fifth lens and the sixth lens form a step part matched with the outer frame; the image surface and the object surface of the sixth lens are both provided with inclined surface parts matched with the outer frame; the image surface of the seventh lens is provided with an inclined surface part matched with the outer frame. 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 rear-view mirror system camera lens, concretely relates to light in weight, the stray light energy of intensity height, image plane is few, can effectively take out 800 ten thousand pixels autopilot forward-looking low coverage monitoring camera lens of truest photo.
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 applies to the safety of automobiles, and the problems of existing automobiles are solved firstly, and then the safety problems in various aspects are solved, from driving safety to parking safety, parking safety and the like.
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
In view of the above, an object of the present invention is to provide an 800 ten thousand pixel automatic driving forward-looking short-distance monitoring camera lens which is light in weight, high in strength, low in stray light energy at the image plane, and capable of effectively taking the truest photo.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: an 800 ten thousand pixel auto-driving front proximity monitoring camera lens, the 800 ten thousand pixel auto-driving front proximity monitoring camera lens comprising: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a diaphragm orifice plate, a fifth lens, a sixth lens, a seventh lens and an eighth lens.
And a diaphragm hole is formed in the diaphragm hole plate and is positioned between the fourth lens and the fifth 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 fourth lens, a diaphragm orifice plate, a fifth lens, a sixth lens, a seventh lens and an eighth lens.
BBAR films are plated on the image surfaces and the object surfaces of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens; the eighth lens is protective glass, and the image plane and the object plane of the eighth lens are both plated with BBAR films.
The object surface of the first lens is provided with an inclined surface part matched with the outer frame.
After the fifth lens and the sixth lens are installed, the fifth lens and the sixth lens form a step part matched with the outer frame, and the radial length of the sixth lens is longer than that of the fifth lens.
The image surface and the object surface of the sixth lens are both provided with inclined surface parts matched with the outer frame.
The image surface of the seventh lens is provided with an inclined surface part matched with the outer frame.
In a specific embodiment of the present invention, the object plane of the first lens is a spherical surface, the curvature radius is 44.2874mm, and the center thickness of the first lens is 1.000 mm; the image plane of the first lens is a spherical surface, the curvature radius is 19.3611mm, and the distance between the image plane of the first lens and the object plane of the second lens is 0.05 mm.
In a specific embodiment of the present invention, the object plane of the second lens is a spherical surface, the curvature radius is 5.7000mm, and the center thickness of the second lens is 2.418 mm; the image plane of the second lens is spherical, the curvature radius is 2.3511mm, and the image plane of the second lens is 2.4718mm 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 77.6766mm, and the center thickness of the third lens is 5.047 mm; the image plane of the third lens is a spherical surface, the curvature radius is 14.3423mm, and the distance from the image plane of the third lens to the object plane of the fourth lens is 1.4882 mm.
In a specific embodiment of the present invention, the object plane of the fourth lens is a spherical surface, the curvature radius is 14.9333mm, and the center thickness of the fourth lens is 2.051 mm; the image plane of the fourth lens is a spherical surface, the curvature radius is 9.8526mm, and the distance from the image plane of the fourth lens to the object plane of the fifth lens is 2.3445 mm.
In a specific embodiment of the present invention, the object plane of the fifth lens is a spherical surface, the curvature radius is 80.4447mm, and the center thickness of the fifth lens is 2.730 mm; the image plane of the fifth lens is a spherical surface, the curvature radius is 4.7291mm, and the distance from the image plane of the fifth lens to the object plane of the sixth lens is 0.
In a specific embodiment of the present invention, the object plane of the sixth lens is a spherical surface, the curvature radius is 4.7291mm, and the center thickness of the sixth lens is 0.400 mm; the image plane of the sixth lens is a spherical surface, the curvature radius is 34.1692, and the distance from the image plane of the sixth lens to the central vertex of the object plane of the seventh lens is 1.8171 mm.
In a specific embodiment of the present invention, the object plane of the seventh lens is a spherical surface, the curvature radius is 10.8418mm, and the center thickness of the sixth lens is 1.694 mm; the image plane of the seventh lens is a plane, the curvature radius is 34.1692, and the distance from the image plane of the seventh lens to the object plane of the eighth lens is 2.3893 mm.
In the specific implementation example of the present invention, the eighth lens is a protection glass, the image plane and the object plane are both planes, and the thickness of the eighth lens is 0.5000 mm.
The utility model discloses an actively advance the effect and lie in: the utility model provides a 800 ten thousand pixels autopilot foresight low coverage monitoring 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 69. 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.
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, an eighth lens 8 and a diaphragm orifice plate 9.
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 800 ten thousand pixel autopilot foresight low coverage monitoring camera lens, this 800 ten thousand pixel autopilot foresight low coverage monitoring camera lens include: the lens comprises a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a diaphragm orifice plate 9, a fifth lens 5, a sixth lens 6, a seventh lens 7 and an eighth lens 8.
The diaphragm orifice plate 9 is provided with a diaphragm orifice, and the diaphragm orifice plate 9 is positioned between the fourth lens 4 and the fifth lens 5; the object space to the image plane of the camera lens are as follows: the device comprises a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a diaphragm orifice plate 9, a fifth lens 5, a sixth lens 6, a seventh lens 7 and an eighth lens 8; BBAR films are plated on the image surface and the object surface of the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 5, the sixth lens 6 and the seventh lens 7; the eighth lens 8 is made of protective glass, and both the image surface and the object surface of the eighth lens 8 are plated with BBAR films; the object surface of the first lens 1 is provided with an inclined surface part matched with the outer frame; after the fifth lens 5 and the sixth lens 6 are installed, the fifth lens 5 and the sixth lens 6 form a step part matched with the outer frame, and the radial length of the sixth lens 6 is longer than that of the fifth lens 5; the image surface and the object surface of the sixth lens 6 are both provided with inclined surface parts matched with the outer frame; the image plane of the seventh lens 7 is provided with a bevel portion which mates with the outer frame.
The utility model discloses listing the detailed parameter of this design in table 1, the main parameter focus F that has listed this camera lens in the first row is 5.30mm, and diaphragm F/#is1.6, and optical track total length TTL is 28.5, and like height h when full field angle 126 is 3.96 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 a wavelength of 632.8 nm.
The surface 1 is the object plane of the first lens 1, the surface is a spherical surface, the curvature radius is 44.2874, the distance from the central vertex of the next surface (the image plane of the first lens 1) is 1.000mm, namely the central thickness of the first lens 1 is 1.000mm, the refractive index is 1.503112, and the Abbe coefficient is 60.633158.
The surface 2 is the image surface of the first lens 1, the surface is a spherical surface, the curvature radius is 19.3611mm, and the distance from the next surface (the object surface of the second lens 2) is 0.05 mm.
The surface 3 is the object plane of the second lens 2, the surface is a spherical surface, the curvature radius is 5.7000, the distance from the central vertex 2.418mm of the next surface (the image plane of the second lens 2) is, namely, the central thickness of the second lens 2 is 2.418mm, the refractive index is 1.809995, and the Abbe coefficient is 41.000073.
The surface 4 is the image surface of the second lens 2, and the surface is a spherical surface with the curvature radius of 2.3511mm and is 2.4718mm away from the next surface (the object surface of the third lens 3).
The surface 5 is the object plane of the third lens 3, the surface is a spherical surface, the curvature radius is 77.6766, the central vertex of the surface is 5.047mm away from the central vertex of the next surface (the image plane of the third lens 3), namely the central thickness 5.047mm of the third lens 3, the refractive index is 1.953749, and the Abbe coefficient is 32.318108.
The surface 6 is the image surface of the third lens 3, which is spherical, with a radius of curvature of 14.3423, and is 1.4882mm from the next surface (the object surface of the fourth lens 4).
The surface 7 is the object plane of the fourth lens 4, the surface is a spherical surface, the curvature radius is 14.9333, the distance between the central vertex of the surface and the central vertex of the next surface (the image plane of the fourth lens 4) is 2.051mm, namely, the central thickness of the fourth lens 4 is 2.051mm, the refractive index is 1.492824, and the Abbe coefficient is 68.624378.
The surface 8 is the image surface of the fourth lens 4, which is spherical, with a radius of curvature of 9.8526mm, and is 2.3445mm from the next surface (the object surface of the fifth lens 5).
The surface 9 is the object plane of the fifth lens 5, the surface is a spherical surface, the curvature radius is 80.4447, the center vertex of the surface is 2.730mm away from the center vertex of the next surface (the image plane of the fifth lens 5 or the object plane of the sixth lens 6), namely the center thickness 2.730mm of the fifth lens 5, the refractive index is 1.577902, and the Abbe coefficient is 55.518683.
The surface 10 is the image surface of the fifth lens 5, since the distance between the image surface and the object plane of the sixth lens 6 is 0 and the curvature radius of the surface is the same, the surface 10 is the image surface of the fifth lens 5 and the object plane of the sixth lens 6, the surface is a spherical surface, the curvature radius is 4.7291mm, the distance from the next surface (the image surface of the sixth lens 6) is 0.400mm, the center thickness of the sixth lens 6 is 0.400mm, the refractive index is 1.746666, and the Abbe system is 23.787324.
The surface 11 is the image surface of the sixth lens 6, which is spherical and has a radius of curvature of 34.1692, and is located 1.8171mm away from the central vertex of the next surface (the object surface of the seventh lens 7).
The surface 12 is the object plane of the seventh lens 7, the surface is a spherical surface, the curvature radius is 10.8418, the center vertex of the surface is 1.694mm away from the center vertex of the next surface (the image plane of the seventh lens 7), namely, the center thickness of the seventh lens 7 is 1.694mm, the refractive index is 1.704009, and the Abbe coefficient is 46.567682.
The surface 13 is the image plane of the seventh lens 7, which is a plane with infinite radius of curvature 2.3893mm from the next surface (chip protection glass object surface).
The surface 14 is a chip protection glass object surface, the surface is a plane, the curvature radius is infinite, the distance from the next surface (chip protection glass image surface) is 0.5000mm, namely the chip protection glass is 0.5000mm thick, the refractive index is 1.516797, and the Abbe coefficient is 64.2124.
The surface 15 is an image plane of the chip protection glass (i.e., the eighth lens 8), which is a plane with an infinite radius of curvature and 2.0017mm from the next surface (image plane).
Surface 16 is the 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 is big, can increase the luminous flux, reduces the 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 an 800 ten thousand pixel autopilot looks ahead short distance monitoring camera lens which characterized in that: the 800 ten thousand pixel autopilot forward-looking close-up monitoring camera lens comprises: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a diaphragm orifice plate, a fifth lens, a sixth lens, a seventh lens and an eighth lens;
the diaphragm orifice plate is provided with a diaphragm orifice and is positioned between the fourth lens and the fifth 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 fourth lens, a diaphragm orifice plate, a fifth lens, a sixth lens, a seventh lens and an eighth lens;
BBAR films are plated on the image surfaces and the object surfaces of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens; the eighth lens is protective glass, and both the image surface and the object surface of the eighth lens are plated with BBAR films;
the object surface of the first lens is provided with an inclined surface part matched with the outer frame;
after the fifth lens and the sixth lens are installed, step parts matched with the outer frame are formed on the fifth lens and the sixth lens, and the radial length of the sixth lens is longer than that of the fifth lens;
the image surface and the object surface of the sixth lens are both provided with inclined surface parts matched with the outer frame;
the image surface of the seventh lens is provided with an inclined surface part matched with the outer frame.
2. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the object plane of the first lens is a spherical surface, the curvature radius is 44.2874mm, and the center thickness of the first lens is 1.000 mm; the image plane of the first lens is a spherical surface, the curvature radius is 19.3611mm, and the distance between the image plane of the first lens and the object plane of the second lens is 0.05 mm.
3. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the object plane of the second lens is a spherical surface, the curvature radius is 5.7000mm, and the center thickness of the second lens is 2.418 mm; the image plane of the second lens is spherical, the curvature radius is 2.3511mm, and the image plane of the second lens is 2.4718mm away from the object plane of the third lens.
4. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the object plane of the third lens is a spherical surface, the curvature radius is 77.6766mm, and the center thickness of the third lens is 5.047 mm; the image plane of the third lens is a spherical surface, the curvature radius is 14.3423mm, and the distance from the image plane of the third lens to the object plane of the fourth lens is 1.4882 mm.
5. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the object plane of the fourth lens is a spherical surface, the curvature radius is 14.9333mm, and the center thickness of the fourth lens is 2.051 mm; the image plane of the fourth lens is a spherical surface, the curvature radius is 9.8526mm, and the distance from the image plane of the fourth lens to the object plane of the fifth lens is 2.3445 mm.
6. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the object plane of the fifth lens is a spherical surface, the curvature radius is 80.4447mm, and the center thickness of the fifth lens is 2.730 mm; the image plane of the fifth lens is a spherical surface, the curvature radius is 4.7291mm, and the distance from the image plane of the fifth lens to the object plane of the sixth lens is 0.
7. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the object plane of the sixth lens is a spherical surface, the curvature radius is 4.7291mm, and the center thickness of the sixth lens is 0.400 mm; the image plane of the sixth lens is a spherical surface, the curvature radius is 34.1692, and the distance from the image plane of the sixth lens to the central vertex of the object plane of the seventh lens is 1.8171 mm.
8. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the object plane of the seventh lens is a spherical surface, the curvature radius is 10.8418mm, and the center thickness of the sixth lens is 1.694 mm; the image plane of the seventh lens is a plane, the curvature radius is 34.1692, and the distance from the image plane of the seventh lens to the object plane of the eighth lens is 2.3893 mm.
9. The 800 ten thousand pixel autopilot front proximity monitoring camera lens of claim 1, wherein: the eighth lens is made of protective glass, the image plane and the object plane are both planes, and the thickness of the eighth lens is 0.5000 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022223570.0U CN212965585U (en) | 2020-09-30 | 2020-09-30 | 800 ten thousand pixel autopilot looks ahead short distance monitoring camera lens |
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| CN202022223570.0U CN212965585U (en) | 2020-09-30 | 2020-09-30 | 800 ten thousand pixel autopilot looks ahead short distance monitoring camera lens |
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| CN212965585U true CN212965585U (en) | 2021-04-13 |
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| CN202022223570.0U Active CN212965585U (en) | 2020-09-30 | 2020-09-30 | 800 ten thousand pixel autopilot looks ahead short distance monitoring camera lens |
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