CN209044166U - A kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel - Google Patents
A kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel Download PDFInfo
- Publication number
- CN209044166U CN209044166U CN201822104503.XU CN201822104503U CN209044166U CN 209044166 U CN209044166 U CN 209044166U CN 201822104503 U CN201822104503 U CN 201822104503U CN 209044166 U CN209044166 U CN 209044166U
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- China
- Prior art keywords
- lens
- fish eye
- glass
- refractive index
- high pixel
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Abstract
The utility model discloses a kind of automobile panoramic round-looking system waterproof fish eye lenses of high pixel, the fish eye lens from object space successively include: the first lens to image space, second lens, SOMA piece, the third lens, light bar, 4th lens, 5th lens, metal space collar, 6th lens, parallel-plate and Image Sensor, first lens and second lens are the positive positive meniscus lens of glass, the third lens and the 6th lens are the biconvex lens of glass, 4th lens are the biconcave lens of glass, 5th lens are the biconvex lens of glass, 4th lens and the 5th lens are glued.The utility model reduces fish-eye entire length, and does not influence fish-eye imaging.
Description
Technical field
The utility model relates to lens technology field more particularly to a kind of anti-water fish of automobile panoramic round-looking system of high pixel
Glasses head.
Background technique
Currently, automobile camera head has been widely used on various automobiles.And as people are more next to automotive safety requirement
Higher, ultra-wide angle, pick-up lens high-definition is also used in vehicle imaging field more and more.Particularly with automobile
360 degree of panoramic looking-around technologies, all can use fish eye lens as the tool of image input.
However, existing fish eye lens, due to that cannot reach biggish angular field of view, size can not be further reduced, thus
It results in fish-eye inconvenient for use.
Utility model content
The purpose of this utility model is to provide a kind of automobile panoramic round-looking system waterproof fish eye lenses of high pixel, with solution
Certainly the problems mentioned above in the background art.
To achieve the goals above, the utility model adopts the technical scheme that a kind of auto-panorama ring of high pixel
Viewing system waterproof fish eye lens, the fish eye lens from object space successively include: to image space the first lens, the second lens, SOMA piece,
The third lens, light bar, the 4th lens, the 5th lens, metal space collar, the 6th lens, parallel-plate and Image Sensor, it is described
First lens and second lens are the positive positive meniscus lens of glass, and the third lens and the 6th lens are glass
Biconvex lens, the 4th lens are the biconcave lens of glass, and the 5th lens are the biconvex lens of glass, and the described 4th thoroughly
Mirror and the 5th lens are glued.
Preferably, the diameter of first lens is 12MM, is highly 2.92MM；The diameter of second lens is
7.5MM is highly 1.33MM；The third lens focal length is 5.0MM, is highly 1.77MM；4th lens diameter is
5.0MM is highly 1.12MM；The diameter 3.4MM of 5th lens is highly 1.46MM；The diameter of 6th lens is
5.0MM, height 1.35MM.
Preferably, the refractive index of first lens is ND1, ND1 > 1.7；The refractive index of second lens is ND2,
ND2>1.5；The refractive index of the third lens is ND3, ND3 > 1.9；The refractive index of 4th lens is ND4, ND4 > 1.9；
The refractive index of 5th lens is ND5, ND5 > 1.7；The refractive index of 6th lens is ND6, ND6 > 1.8.
Preferably, the fish eye lens total physical length degree of first lens to the component composition between Image Sensor is small
In 11mm, optics total length is 13mm.
Preferably, first lens between Image Sensor component composition 206 ° of fish eye lens angular field of view
Compared with prior art, the utility model has the beneficial effects that
The structure of the utility model designs, and can make fish-eye f-number (F/NO) is F2.0, compares other similar vehicles
Panorama fish eye lens is carried, light passing amount is big, and low-light (level) is good.Resolving power reaches hundred as pixel, and center MTF reaches 130LP/MM, realizes
High-definition effect under conditions of big wide-angle.Under conditions of complete 6 all-glass constructions, volume small as far as possible is realized, is conducive to
Save the assembling space of automobile camera head.Fish-eye total physical length degree can be made to be less than 11mm, optics total length is 13mm, depending on
Angular region is greater than 206 °, significantly larger than the angle of similar camera lens on the market.Operating temperature range is -30 DEG C to 85 DEG C, mirror
The distortion of head imaging is small.As it can be seen that above structure can further reduce fish-eye entire length, and do not influence fish eye lens
Imaging.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, fish eye lens of the invention successively include: from object space to image space the first lens 1, the second lens 2,
SOMA piece 10, the third lens 3, light bar 9, the 4th lens 4, the 5th lens 5, metal space collar 11, the 6th lens 6,7 and of parallel-plate
Image Sensor 8.Arrow Do is towards the direction of object, and arrow Di is towards the direction of picture, and wide-angle lens is in use, first is saturating
Mirror 1 is the lens of light initial contact, and picture is finally imaged on Image Sensor 8.
Wherein, the first lens 1 and the 4th lens 4 are the positive positive meniscus lens of glass, the second lens 2 be plastics just
Positive meniscus lens, the third lens 3 and the 6th lens 6 are the biconvex lens of plastics, and the 5th lens 5 are the lenticular of glass
Mirror, the 4th lens 4 and the 5th lens 5 are glued.
Parallel-plate 7 is a plate glass, for protecting the imaging surface of Image Sensor 8.Image Sensor 8 is usually
Charge-coupled device (CCD) or complementarity matal-oxide semiconductor (CMOS).Light bar 9 has aperture, can directly utilize aperture
Aperture size control light-inletting quantity.
The diameter of first lens 1 is 12MM, is highly 2.92MM；The diameter of second lens 2 is 7.5MM, is highly
1.33MM；3 focal length of the third lens is 5.0MM, is highly 1.77MM；4th lens, 4 diameter is 5.0MM, is highly 1.12MM；The
The diameter 3.4MM of five lens 5 is highly 1.46MM；The diameter of 6th lens 6 is 5.0MM, height 1.35MM.Compared to other vapour
Vehicle panoramic looking-around camera lens, the advantage of this camera lens are that under the premise of compared with tiny lens volume, first piece accomplishes bigger, light passing
Amount is big and appearance is exquisite.
The focal length of first lens 1 is f1, -5 < f1 < -2；The focal length of second lens 2 is f2, f2 < -2.2；The third lens 3 are burnt
Away from for f3, f3 > 3；4th lens, 4 focal length is f4, f4 < -2；The focal length of 5th lens 5 is f5, f5 > 2；The focal length of 6th lens 6
For f6, f6 > 3.5.The range of the ratio between the focal length of second lens 2 and the 6th lens 6 is -1.5 < f2/f6 < -0.5.
The refractive index of first lens 1 is ND1, ND1 > 1.7；The refractive index of second lens 2 is ND2, ND2 > 1.5；Third is saturating
The refractive index of mirror 3 is ND3, ND3 > 1.9；The refractive index of 4th lens 4 is ND4, ND4 > 1.9；The refractive index of 5th lens 5 is
ND5, ND5 > 1.7；The refractive index of 6th lens 6 is ND6, ND6 > 1.8.
The abbe number of first lens 1 is VD1, VD1 > 47；The abbe number of second lens 2 is VD2, VD2 > 50；Third
The abbe number of lens 3 is V3, VD3 < 29；The abbe number of 4th lens 4 is V4, VD4 < 29；The abbe number of 5th lens 5
For VD5, VD5 > 47；The abbe number of 6th lens 6 is VD6, VD6 > 50.
It is arranged by above structure, can make fish-eye f-number (F/NO) is F2.0, similar vehicle-mounted complete compared to other
Scape fish eye lens, light passing amount is big, and low-light (level) is good.Resolving power reaches hundred as pixel, and center MTF reaches 130LP/MM, realizes big
High-definition effect under conditions of wide-angle.Under conditions of complete 6 all-glass constructions, volume small as far as possible is realized, is conducive to save
The assembling space of automobile camera head.Fish-eye total physical length degree can be made to be less than 11mm, optics total length is 13mm, visual angle model
It encloses and is greater than 206 °, significantly larger than the angle of similar camera lens on the market.Operating temperature range be -30 DEG C to 85 DEG C, camera lens at
The distortion of picture is small.As it can be seen that above structure can further reduce fish-eye entire length, and do not influence it is fish-eye at
Picture.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel, which is characterized in that the fish eye lens is from object space
Successively include: to image space the first lens (1), the second lens (2), SOMA piece (10), the third lens (3), light bar (9), the 4th thoroughly
Mirror (4), the 5th lens (5), metal space collar (11), the 6th lens (6), parallel-plate (7) and Image Sensor (8), it is described
First lens (1) and second lens (2) are the positive positive meniscus lens of glass, and the third lens (3) and the 6th are thoroughly
Mirror (6) is the biconvex lens of glass, and the 4th lens (4) are the biconcave lens of glass, and the 5th lens (5) are glass
Biconvex lens, the 4th lens (4) and the 5th lens (5) are glued.
2. a kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel according to claim 1, it is characterised in that:
The diameter of first lens (1) is 12MM, is highly 2.92MM；The diameter of second lens (2) is 7.5MM, is highly
1.33MM；The third lens (3) focal length is 5.0MM, is highly 1.77MM；4th lens (4) diameter is 5.0MM, high
Degree is 1.12MM；The diameter 3.4MM of 5th lens (5) is highly 1.46MM；The diameter of 6th lens (6) is
5.0MM, height 1.35MM.
3. a kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel according to claim 1, it is characterised in that:
The refractive index of first lens (1) is ND1, ND1 > 1.7；The refractive index of second lens (2) is ND2, ND2 > 1.5；Institute
The refractive index for stating the third lens (3) is ND3, ND3 > 1.9；The refractive index of 4th lens (4) is ND4, ND4 > 1.9；It is described
The refractive index of 5th lens (5) is ND5, ND5 > 1.7；The refractive index of 6th lens (6) is ND6, ND6 > 1.8.
4. a kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel according to claim 1, it is characterised in that:
The fish eye lens total physical length degree of first lens (1) to the component composition between Image Sensor (8) is less than 11mm, light
Total length is 13mm.
5. a kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel according to claim 1, it is characterised in that:
First lens (1) arrive 206 ° of fish eye lens angular field of view of the component composition between Image Sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104503.XU CN209044166U (en) | 2018-12-14 | 2018-12-14 | A kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104503.XU CN209044166U (en) | 2018-12-14 | 2018-12-14 | A kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209044166U true CN209044166U (en) | 2019-06-28 |
Family
ID=67044536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822104503.XU Expired - Fee Related CN209044166U (en) | 2018-12-14 | 2018-12-14 | A kind of automobile panoramic round-looking system waterproof fish eye lens of high pixel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209044166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111258027A (en) * | 2020-01-29 | 2020-06-09 | 福建福光股份有限公司 | Low distortion glass is moulded and is mixed compact high definition fisheye lens |
-
2018
- 2018-12-14 CN CN201822104503.XU patent/CN209044166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111258027A (en) * | 2020-01-29 | 2020-06-09 | 福建福光股份有限公司 | Low distortion glass is moulded and is mixed compact high definition fisheye lens |
| CN111258027B (en) * | 2020-01-29 | 2022-08-16 | 福建福光股份有限公司 | Mixed compact high definition fisheye lens is moulded to low distortion glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20201214 |