CN206710687U - A kind of intelligent vehicle-carried high-pixel wide-angle camera lens - Google Patents
A kind of intelligent vehicle-carried high-pixel wide-angle camera lens Download PDFInfo
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- CN206710687U CN206710687U CN201720486185.0U CN201720486185U CN206710687U CN 206710687 U CN206710687 U CN 206710687U CN 201720486185 U CN201720486185 U CN 201720486185U CN 206710687 U CN206710687 U CN 206710687U
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- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 239000000571 coke Substances 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 10
- 230000005499 meniscus Effects 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 230000000007 visual effect Effects 0.000 abstract description 12
- 238000003384 imaging method Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 11
- 201000009310 astigmatism Diseases 0.000 description 5
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses a kind of intelligent vehicle-carried high-pixel wide-angle camera lens, camera lens is sequentially coaxially provided with the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens from object plane to image planes；Aperture diaphragm is provided between second lens and the 3rd lens；Optical filter, protective glass are disposed between 6th lens and image planes；First lens are with negative power and convex surface facing the meniscus lens of object plane；Second lens are the biconvex lens with positive light coke；3rd lens are the biconcave lens with negative power；4th lens are with positive light coke and convex surface facing the meniscus lens of image planes；5th lens and the 6th lens are the balsaming lens mutually bonded.The utility model has the advantages of few number of lenses, good imaging quality, big angle of visual field, can not only meet the Miniaturization Design of vehicle mounted wide-angle mirror head, and with higher pixel and the shooting visual field, have wide applicability.
Description
Technical field
A kind of wide-angle lens, more particularly to a kind of intelligent vehicle-carried high-pixel wide-angle camera lens are the utility model is related to, belongs to light
Learn technical field of imaging.
Background technology
In recent years, the camera lens on the product of the field such as such as mobile device, Vehicular device, telecontrol equipment and safety monitoring device
Increasingly have towards light, thin, short and small designer trends and develop, therefore camera lens module must also meet small volume, light weight
It is required that；And during camera lens module minimizes, it is also desirable that camera lens has higher pixel and the angle of visual field concurrently, can
Capture broader field range.
However, when the angle of visual field of camera lens is more than 90 degree, easily cause image deformation and distortion, in order to which compensating image distorts
It is and small-sized this results in the increase of the length of camera lens and weight or the aberration such as distortion, camera lens must just use more lens
The demand of change is disagreed.Therefore, the demand of a big angle of visual field of miniaturization how is designed, while possesses higher imaging matter
The vehicle mounted wide-angle mirror head of amount has turned into the subject under discussion that current field personage strongly studies.
Utility model content
In order to solve the weak point present in above-mentioned technology, it is wide that the utility model provides a kind of intelligent vehicle-carried high pixel
Angle mirror head.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of intelligent vehicle-carried high pixel is wide
Angle mirror head, camera lens are sequentially coaxially provided with the first lens, the second lens, the 3rd lens, the 4th lens, the 5th from object plane to image planes
Lens, the 6th lens；Aperture diaphragm is provided between second lens and the 3rd lens；Set gradually between 6th lens and image planes
There are optical filter, protective glass；
First lens are with negative power and convex surface facing the meniscus lens of object plane；
Second lens are the biconvex lens with positive light coke；
3rd lens are the biconcave lens with negative power；
4th lens are with positive light coke and convex surface facing the meniscus lens of image planes；
5th lens and the 6th lens are the balsaming lens mutually bonded.
Relation between the focal length f of the whole optical system of wide-angle lens and the optics overall length L of wide-angle lens is： 5<|L/f|
<7。
First lens, the second lens, the 3rd lens, the 4th lens, the focal length of balsaming lens be respectively f1, f2, f3, f4,
F5-6, the focal range of each lens are followed successively by：
1<|f1|/f<1.8；
1<|f2|/f<2；
1<|f3|/f<1.5；
2<|f4|/f<2.8；
2<|f5-6|/f<2.8。
First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens are glass spherical mirror
Piece.
Optics overall length L≤20.98mm of wide-angle lens.
The refractive index Nd of first lens is 1.7<Nd<1.9, dispersive power Vd are 45<Vd<48；
The refractive index Nd of second lens is 1.7<Nd<1.9, dispersive power Vd are 21<Vd<24；
The refractive index Nd of 3rd lens is 1.7<Nd<1.9, dispersive power Vd are 21<Vd<24；
The refractive index Nd of 4th lens is 1.8<Nd<1.9, dispersive power Vd are 43<Vd<45；
The refractive index Nd of 5th lens is 1.7<Nd<1.9, dispersive power Vd are 45<Vd<48；
The refractive index Nd of 6th lens is 1.8<Nd<2.1, dispersive power Vd are 20<Vd<22.
The utility model has the advantages of few number of lenses, good imaging quality, big angle of visual field, can not only meet vehicle-mounted wide
The Miniaturization Design of angle mirror head, and with higher pixel and the shooting visual field, there is wide applicability.
Brief description of the drawings
Fig. 1 is that system of the present utility model forms structure chart.
Fig. 2 is the path profile that light enters from embodiment one.
Fig. 3 is MTF resolving curved line figure of the embodiment one in 0.1 to 0.2 visual field.
Fig. 4 is MTF resolving curved line figure of the embodiment one in 0.3 to 0.8 visual field.
Fig. 5 is MTF resolving curved line figure of the embodiment one in 1.0 visual fields.
Fig. 6 is the spherical aberration figure of embodiment one.
Fig. 7 is the astigmatism curve map of embodiment one.
Fig. 8 is the optical distortion figure of embodiment one.
In figure：1st, the first lens；2nd, the second lens；3rd, the 3rd lens；4th, the 4th lens；5th, the 5th lens；6th, the 6th is saturating
Mirror；7th, optical filter；8th, protective glass；9th, image planes；10th, aperture diaphragm；11st, object plane.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the utility model from object plane 11 to image planes 9 be sequentially coaxially provided with the first lens 1, the second lens 2,
3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6；Aperture light is provided between second lens 2 and the 3rd lens 3
Door screen 10, to limit luminous flux of the light by the second lens 2 when entering three lens 3；Between 6th lens 6 and image planes 9 according to
It is secondary to be provided with optical filter 7, protective glass 8；
First lens 1 and the second lens 2 collectively form the lens group with negative power, for being received with maximum field of view's corner connection
Ambient, and correct part aberration；3rd lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6, which collectively form, to be had
The lens group of positive light coke, for receiving the light of anterior lens group, and by light collection to image plane；
First lens 1 are with negative power and convex surface facing the meniscus lens of object plane 11, to increase wide-angle lens
The angle of visual field；
The lens that it is convex surface with positive light coke and thing side surface and image side surface that second lens 2, which are, wear to correct
Aberration caused by light through the first lens 1, and by light collection of the light through diaphragm 10 and it is sent to the 3rd lens 3；
3rd lens 3 are the biconcave lens with negative power, are passed to correct caused by the light of the second lens 2
Aberration, and light is sent to the 4th lens 4；
4th lens 4 are with positive light coke and convex surface facing the meniscus lens of image planes 9, for by light collection to the 5th
The balsaming lens group that the combination of the lens 6 of lens 5 and the 6th is formed；
5th lens 5 and the 6th lens 6 are the balsaming lens group mutually bonded, and the balsaming lens group has positive light coke,
Minimum aberration can be achieved, while reduce spherical aberration, and by image formation by rays to image planes 9.
The focal length of first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, balsaming lens group is expressed as
F1, f2, f3, f4, f5-6, then the focal range of each lens be followed successively by：
1<|f1|/f<1.8；
1<|f2|/f<2；
1<|f3|/f<1.5；
2<|f4|/f<2.8；
2<|f5-6|/f<2.8。
First lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6 are glass
Spheric glass, there is the advantages of good aberration characteristic, good imaging quality, low difficulty of processing and production cost.
Relation between the focal length f of the whole optical system of wide-angle lens and the optics overall length L of wide-angle lens is： 5<|L/f|
<7.Optics overall length L≤20.98mm of wide-angle lens.
The refractive index Nd of first lens 1 is 1.7<Nd<1.9, dispersive power Vd are 45<Vd<48；
The refractive index Nd of second lens 2 is 1.7<Nd<1.9, dispersive power Vd are 21<Vd<24；
The refractive index Nd of 3rd lens 3 is 1.7<Nd<1.9, dispersive power Vd are 21<Vd<24；
The refractive index Nd of 4th lens 4 is 1.8<Nd<1.9, dispersive power Vd are 43<Vd<45；
The refractive index Nd of 5th lens 5 is 1.7<Nd<1.9, dispersive power Vd are 45<Vd<48；
The refractive index Nd of 6th lens 6 is 1.8<Nd<2.1, dispersive power Vd are 20<Vd<22.
Optical property of the present utility model is described in further detail below by a specific embodiment.
In the present embodiment, the specific optical parametric of wide-angle lens is shown in Table 1：
Table 1
| Surface title | Surface type | Subsequent corrosion | Thickness | Material |
| First lens | Sphere | 42 | 0.6 | TAF3_HOYA |
| Sphere | 3.92 | 6.0367 | ||
| Second lens | Sphere | 6.25 | 1.4 | FDS90_HOYA |
| Sphere | -22 | 0.0903 | ||
| Sphere | 1.00E+18 | 0.4 | ||
| 3rd lens | Sphere | -6.7 | 1.42 | FDS90_HOYA |
| Sphere | 9.72 | 0.24 | ||
| 4th lens | Sphere | -34.4 | 1.2 | NBFD11_HOYA |
| Sphere | -5.38 | 0.1141 | ||
| 5th lens | Sphere | 7.75 | 2.95 | TAF3_HOYA |
| 6th lens | Sphere | -3.8 | 1 | FDS1_HOYA |
| Sphere | -15.5 | 0.4 | ||
| Optical filter | Sphere | 1.00E+18 | 0.3 | BK7_SCHOTT |
| Sphere | 1.00E+18 | 0.4 | ||
| Protective glass | Sphere | 1.00E+18 | 0.4 | BK7_SCHOTT |
In the present embodiment | fa |/f=14, | fb |/f=1.95, | f1 |/f=2.99, | f2 |/f=1.75, | f3 |/f=
1.76, | f4-5 |/f=5.13, | f6 |/f=3.18, | D/fa |=0.52, | D/fb |=3.75.
Fig. 2 illustrates the path profile that light enters from the present embodiment.Below by specific experiment to of the present utility model
Optical property is verified.
(1) in different visual fields (FIELD) MTF, (Modulation Transfer Function, modulation pass the present embodiment
Delivery function) resolving curved line respectively as shown in Fig. 3, Fig. 4, Fig. 5, wherein, abscissa represent line it is right/space of every millimeter (lp/mm)
Frequency, ordinate represent mtf value.In figure, DIFFRACTION MTF represent that diffraction MTF, DIFFRACTION LIMIT represent to spread out
Emitter-base bandgap grading limit, AXIS represent that central shaft, WAVELENGTH represent that wavelength, WEIGHT represent weight.As can be seen that originally from Fig. 3-5
Embodiment presents preferable contrast in 140lp/mm spatial frequency, may indicate that the comprehensive solution of the present embodiment as horizontal
It is higher.
(2) the spherical aberration figure of the present embodiment is as shown in fig. 6, illustrate the longitudinal spherical aberration value of five kinds of different colours spectrum in figure.
Wherein, LONGITUDINAL SPHERICAL ABER represent longitudinal spherical aberration value, and FOCUS (MILLIMETERS) represents focusing
(mm).The optical distortion that the figure can react wide-angle lens to a certain extent is horizontal.
(3) the astigmatism curve map of the present embodiment is as shown in Figure 7.Wherein, ASTIGMATIC FIELD CURVES represent astigmatism
Curve, ANGLE represent angle, and FOCUS (MILLIMETERS) represents focusing (mm).It can be seen that the present embodiment
Astigmatism lesser extent, can be controlled in the astigmatism of full filed within 0.025, can react to a certain extent the present embodiment have compared with
Low optical distortion is horizontal.
(4) optical distortion (DISTORTION) figure of the present embodiment is as shown in Figure 8.It can be seen that global face is set
For meter in full filed, maximum distortion is only -60%, shows that the present embodiment has relatively low distortion, and its optical property is preferable, is adapted to
Used in as intelligent vehicle-carried wide-angle lens.
It is to be also not limited to the example above to limitation of the present utility model, the utility model that above-mentioned embodiment, which is not,
The variations, modifications, additions or substitutions that those skilled in the art are made in the range of the technical solution of the utility model,
Also the scope of protection of the utility model is belonged to.
Claims (6)
- A kind of 1. intelligent vehicle-carried high-pixel wide-angle camera lens, it is characterised in that：The wide-angle lens from object plane (11) to image planes (9) according to It is secondary to be coaxially arranged with the first lens (1), the second lens (2), the 3rd lens (3), the 4th lens (4), the 5th lens (5), the 6th Lens (6)；Aperture diaphragm (10) is provided between second lens (2) and the 3rd lens (3)；6th lens (6) and Optical filter (7), protective glass (8) are disposed between image planes (9)；First lens (1) are with negative power and convex surface facing the meniscus lens of object plane (11)；Second lens (2) are the biconvex lens with positive light coke；3rd lens (3) are the biconcave lens with negative power；4th lens (4) are with positive light coke and convex surface facing the meniscus lens of image planes (9)；5th lens (5) and the 6th lens (6) are the balsaming lens mutually bonded.
- 2. intelligent vehicle-carried high-pixel wide-angle camera lens according to claim 1, it is characterised in that：The whole light of wide-angle lens Relation between the focal length f of system and the optics overall length L of wide-angle lens is：5<|L/f|<7.
- 3. intelligent vehicle-carried high-pixel wide-angle camera lens according to claim 1, it is characterised in that：First lens (1), Two lens (2), the 3rd lens (3), the 4th lens (4), the focal length of balsaming lens are respectively f1, f2, f3, f4, f5-6, each lens Focal range be followed successively by：1<|f1|/f<1.8；1<|f2|/f<2；1<|f3|/f<1.5；2<|f4|/f<2.8；2<|f5-6|/f<2.8。
- 4. the intelligent vehicle-carried high-pixel wide-angle camera lens according to claim 1 or 3, it is characterised in that：First lens (1), the second lens (2), the 3rd lens (3), the 4th lens (4), the 5th lens (5), the 6th lens (6) are glass spherical mirror Piece.
- 5. intelligent vehicle-carried high-pixel wide-angle camera lens according to claim 2, it is characterised in that：The optics of the wide-angle lens Overall length L≤20.98mm.
- 6. the intelligent vehicle-carried high-pixel wide-angle camera lens according to claim 1 or 3, it is characterised in that：The refractive index Nd of first lens (1) is 1.7<Nd<1.9, dispersive power Vd are 45<Vd<48；The refractive index Nd of second lens (2) is 1.7<Nd<1.9, dispersive power Vd are 21<Vd<24；The refractive index Nd of 3rd lens (3) is 1.7<Nd<1.9, dispersive power Vd are 21<Vd<24；The refractive index Nd of 4th lens (4) is 1.8<Nd<1.9, dispersive power Vd are 43<Vd<45；The refractive index Nd of 5th lens (5) is 1.7<Nd<1.9, dispersive power Vd are 45<Vd<48；The refractive index Nd of 6th lens (6) is 1.8<Nd<2.1, dispersive power Vd are 20<Vd<22.
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| CN201720486185.0U CN206710687U (en) | 2017-05-04 | 2017-05-04 | A kind of intelligent vehicle-carried high-pixel wide-angle camera lens |
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|---|---|---|---|
| CN201720486185.0U CN206710687U (en) | 2017-05-04 | 2017-05-04 | A kind of intelligent vehicle-carried high-pixel wide-angle camera lens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065140A (en) * | 2017-05-04 | 2017-08-18 | 威海嘉瑞光电科技股份有限公司 | A kind of intelligent vehicle-carried high-pixel wide-angle camera lens |
| CN112285884A (en) * | 2020-10-28 | 2021-01-29 | 福建福光天瞳光学有限公司 | 1.14mm ultra-wide angle optical system and imaging method thereof |
-
2017
- 2017-05-04 CN CN201720486185.0U patent/CN206710687U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065140A (en) * | 2017-05-04 | 2017-08-18 | 威海嘉瑞光电科技股份有限公司 | A kind of intelligent vehicle-carried high-pixel wide-angle camera lens |
| CN112285884A (en) * | 2020-10-28 | 2021-01-29 | 福建福光天瞳光学有限公司 | 1.14mm ultra-wide angle optical system and imaging method thereof |
| CN112285884B (en) * | 2020-10-28 | 2022-05-27 | 福建福光天瞳光学有限公司 | 1.14mm ultra-wide angle optical system and imaging method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent vehicle-mounted high-pixel wide-angle lens Effective date of registration: 20181212 Granted publication date: 20171205 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. Xinghai branch Pledgor: WEIHAI JIARUI OPTOELECTRONIC TECHNOLOGY CO.,LTD. Registration number: 2018990001180 |
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Date of cancellation: 20191230 Granted publication date: 20171205 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. Xinghai branch Pledgor: WEIHAI JIARUI OPTOELECTRONIC TECHNOLOGY CO.,LTD. Registration number: 2018990001180 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent vehicle high pixel wide angle lens Effective date of registration: 20201215 Granted publication date: 20171205 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. Xinghai branch Pledgor: WEIHAI JIARUI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980009265 |
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Date of cancellation: 20220118 Granted publication date: 20171205 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. Xinghai branch Pledgor: WEIHAI JIARUI OPTOELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2020980009265 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent vehicle mounted high pixel wide-angle lens Effective date of registration: 20220530 Granted publication date: 20171205 Pledgee: Shandong Weihai Rural Commercial Bank Co.,Ltd. economic and Technological Development Zone sub branch Pledgor: WEIHAI JIARUI OPTOELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2022980006656 |
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Date of cancellation: 20230517 Granted publication date: 20171205 Pledgee: Shandong Weihai Rural Commercial Bank Co.,Ltd. economic and Technological Development Zone sub branch Pledgor: WEIHAI JIARUI OPTOELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2022980006656 |
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Denomination of utility model: A Kind of Intelligent Vehicle High Pixel Wide Angle Lens Effective date of registration: 20230522 Granted publication date: 20171205 Pledgee: Shandong Weihai Rural Commercial Bank Co.,Ltd. economic and Technological Development Zone sub branch Pledgor: WEIHAI JIARUI OPTOELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2023110000200 |
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