CN104614842B - A kind of five chip imaging lens groups - Google Patents
A kind of five chip imaging lens groups Download PDFInfo
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- CN104614842B CN104614842B CN201510100863.0A CN201510100863A CN104614842B CN 104614842 B CN104614842 B CN 104614842B CN 201510100863 A CN201510100863 A CN 201510100863A CN 104614842 B CN104614842 B CN 104614842B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 21
- 241000511976 Hoya Species 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 101000625376 Homo sapiens Transcription initiation factor TFIID subunit 3 Proteins 0.000 claims description 12
- 102100025042 Transcription initiation factor TFIID subunit 3 Human genes 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 7
- 239000004568 cement Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of five chips imaging lens group, lenses one, lenses two, diaphragm, lenses three, lenses four, lenses five, glass filter and imaging surface are disposed with by thing side to image side, described lenses one, lenses two, lenses three, lenses four and lenses five are glass lens, and described lenses one are negative refracting power lens；Described lenses two are positive refracting power lens；Described lenses three are concave-convex lens, and concave surface is towards object space, convex surface facing image space；Described lenses four are biconvex lens；Described lens five are concave-convex lens, and concave surface is towards object space, convex surface facing image space；Optical system uses full glass lens element, improves the stability under high and low temperature environment；The present invention can improve the imaging capability under low light environment for large aperture system；It is simple in construction using five slice structures, cost can be effectively reduced, shortens optics overall length.
Description
Technical field
The present invention relates to optics field, the five chips imaging of more particularly to a kind of 4,000,000 pixels on automobile
Lens group.
Background technology
Optical lens is essential part in NI Vision Builder for Automated Inspection, directly affects the quality of image quality, and influence is calculated
The realization of method and effect.Optical lens can be divided into short-focus lens, middle zoom lens, telephoto lens from focal length；From visual field size point
There are wide-angle, standard, long shot；Dividing in structure has fixed aperture tight shot, and manual iris tight shot, auto iris is focused
Camera lens, manual zoom camera lens, automatic zoom camera lens, auto iris motorized zoom lenses, electronic Tri-Chargable lens etc..
Currently, with the continuous fast development of China's economy, private car quantity is increased sharply, and in buying car, take driving test turns into general
All over phenomenon, Getting Started causes the presence of many potential collision hazards；" road killer ", the malice of collision party is hidden, and these allow respectively
Aggrieved driver suffers untold misery；With the continuous improvement of legal consciousness, traffic accident Claims Resolution requires higher, and reparation item are more various,
Insurance company endures the hardship of malice vehicle insurance Claims Resolution trick to the fullest extent.Pedestrian is knocked in the past, driver is properly viewed as powerhouse, because without conclusive
Evidence, often lays the blame on most of responsibility for driver when traffic police is handled, driver redress an injustice also can not, only from accepting one's bad luck.Now
Automobile black box can reduce accident primary scene, be effectively protected car owner.
Although drive recorder was just coming into the eyeball of consumer in recent years, in fact it is not a newly developed
Product, abroad many areas it have been obtained for extensive popularization, some developed countries are even more appearance law, and it is classified as vapour
The essential product on Che Shang roads.And in designing while the imaging effect of camera lens is ensured, high-low temperature resistant degree possesses good processing
Ability, reduces production cost, and being adapted to production in enormous quantities etc. all turns into the requirement that lens optical component design needs ensure.But it is existing
Have and but there is imaging effect difference applied to the lens assembly in camera module and the big brightness of F-number is small and cost is high lacks
Fall into.
Therefore, produce a kind of simple in construction, imaging effect is good, large aperture, high brightness, cost is low and high-low temperature resistant degree five
Chip imaging lens group, with extensive market prospects.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of simple in construction, and imaging effect is good, large aperture, high brightness, into
This low and high-low temperature resistant degree five chip imaging lens group.
The technical proposal of the invention is realized in this way：A kind of five chip imaging lens groups, are set successively by thing side to image side
Be equipped with lenses one, lenses two, diaphragm, lenses three, lenses four, lenses five, glass filter and
Imaging surface, described lenses one, lenses two, lenses three, lenses four and lenses five are glass
Eyeglass, described lenses one are negative refracting power lens；Described lenses two are positive refracting power lens；Described lens
Eyeglass three is concave-convex lens, and concave surface is towards object space, convex surface facing image space；Described lenses four are biconvex lens；It is described
Lens five be concave-convex lens, and concave surface is towards object space, convex surface facing image space.
The center thickness of described lenses one is TC1, and TC1 value range is 0.4mm<TC1<0.6mm, lenses
Two center thickness is TC2, and TC2 value range is 1.17mm<TC2<1.19mm, the center thickness of lenses three is TC3,
TC3 value range is that TC3 meets 4.45mm<TC3<4.55mm, the center thickness TC4, TC4 of lenses four value range is
2.76mm<TC4<2.8mm, the center thickness TC5, TC5 of lenses five value range are 1.85mm<TC5<2.05mm.
Described lenses one are biconcave lens, and lenses two are biconvex lens.
The focal length of described lenses two is f2, and the focal length of described lenses four is f4,0.8<f2/f4<1.
The refractive index of described lenses five is more than 1.8, and the abbe number of lenses five is Vd1, Vd1<24, thoroughly
The refractive index of mirror eyeglass four is more than 1.6, and the abbe number of lenses five is Vd2, Vd2<62.
The thickness of described glass filter is 0.550mm, and glass filter is made of Xiao Te D263T materials.
The center thickness of described lenses one is TC1, the air gap between lenses one and lenses two
For AC12,0.42<TC1/AC12<0.46.
The radius of curvature value in first face of described lenses four is R41, the song in second face of lenses five
Rate radius value is R52,0.8<|R41/R52|<1.2.
The radius of curvature on the preceding surface of described lenses one is -11.88mm, and the radius of curvature on rear surface is
3.222mm, thickness is 0.500mm, and the air gap between lenses one and lenses two is 1.125mm, lenses
One is made of H-QK3L materials, and H-QK3L refractive index is 1.487, and abbe number is 70.4；Described lenses two
The radius of curvature on preceding surface is 9.1370mm, and the radius of curvature on rear surface is -5.7260mm, and thickness is 1.180mm, lenses
Two are made of HOYA TAF3 materials, and HOYA TAF3 refractive index is 1.804, and abbe number is 46.5；Described lens mirror
The radius of curvature on the preceding surface of piece three is -4.2800mm, and the radius of curvature on rear surface is -5.0950mm, and thickness is 4.540mm,
The air gap between lenses three and lenses four is 0.100mm, and lenses three use HOYA TAF3 material systems
Into HOYA TAF3 refractive index is 1.804, and abbe number is 46.5；The radius of curvature on the preceding surface of described lenses four
For 13.2110mm, thickness is 2.785mm, and lenses four are made of HOYA BACD15 materials, HOYA BACD15 refraction
Rate is 1.623, and abbe number is 58.1；The radius of curvature on the preceding surface of described lenses five is -4.1290mm, rear surface
Radius of curvature be -14.105mm, thickness is 1.950mm, and lenses five are made of HOYA FDS90 materials, HOYA
FDS90 refractive index is 1.847, and abbe number is 23.8.
The present invention has following good effect：The present invention is simple in construction, and imaging effect is good, large aperture, high brightness, cost
Low and high-low temperature resistant degree, by thing side to image side be disposed with lenses one, lenses two, diaphragm, lenses three, thoroughly
Mirror eyeglass four, lenses five, glass filter and imaging surface, described lenses one, lenses two, lenses
3rd, lenses four and lenses five are glass lens, and described lenses one are negative refracting power lens；Described is saturating
Mirror eyeglass two is positive refracting power lens；Described lenses three are concave-convex lens, and concave surface is towards object space, convex surface facing picture
Side；Described lenses four are biconvex lens；Described lens five are concave-convex lens, and concave surface is towards object space, convex surface facing
Image space；The center thickness of lenses one is TC1, and TC1 value range is 0.4mm<TC1<0.6mm, the center of lenses two
Thickness is TC2, and TC2 value range is 1.17mm<TC2<1.19mm, the center thickness of lenses three is TC3, TC3 scope
It is worth and meets 4.45mm for TC3<TC3<4.55mm, the center thickness TC4, TC4 of lenses four value range are 2.76mm<TC4<
2.8mm, the center thickness TC5, TC5 of lenses five value range are 1.85mm<TC5<2.05mm, in order to meet solution picture
Power, and it is easy to the processing of eyeglass；The optical system of the present invention uses full glass lens element, because glass material is compared to plastic cement
Stability of the material under high and low temperature environment is preferable, so invention can effectively improve the stability under high and low temperature environment；This
The imaging capability under low light environment can be improved for large aperture system by inventing；The present invention uses five slice structures, lenses four
Balsaming lens is constituted with lenses five, it is simple in construction, cost can be effectively reduced, shortens optics overall length.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is MTF curve figure of the invention.
Fig. 3 is relative illumination curve map of the invention.
Fig. 4 is the curvature of field and distortion figure of the invention.
Embodiment
As shown in Figure 1,2,3, 4, a kind of five chips imaging lens group, lenses one are disposed with by thing side to image side
1st, lenses 22, diaphragm 3, lenses 34, lenses 45, lenses 56, glass filter 7 and imaging surface 8,
Described lenses 1, lenses 22, lenses 34, lenses 45 and lenses 56 are glass mirror
Piece, described lenses 1 are negative refracting power lens；Described lenses 22 are positive refracting power lens；Described lens
Eyeglass 34 is concave-convex lens, and concave surface is towards object space, convex surface facing image space；Described lenses 45 are biconvex lens；Institute
The lens 56 stated are concave-convex lens, and concave surface is towards object space, convex surface facing image space.
The center thickness of described lenses 1 is TC1, and TC1 value range is 0.4mm<TC1<0.6mm, lens mirror
The center thickness of piece 22 is TC2, and TC2 value range is 1.17mm<TC2<1.19mm, the center thickness of lenses 34 is
TC3, TC3 value range are that TC3 meets 4.45mm<TC3<4.55mm, the center thickness TC4, TC4 of lenses 45 scope
It is worth for 2.76mm<TC4<2.8mm, the center thickness TC5, TC5 of lenses 56 value range are 1.85mm<TC5<2.05mm.
Described lenses 1 are biconcave lens, and lenses 22 are biconvex lens.The focal length of described lenses 22 is
F2, the focal length of described lenses 45 is f4,0.8<f2/f4<1.The refractive index of described lenses 56 is more than 1.8,
The abbe number of lenses 56 is Vd1, Vd1<24, the refractive index of lenses 45 is more than 1.6, the color of lenses 56
It is Vd2, Vd2 to dissipate coefficient<62.The thickness of described glass filter 7 is 0.550mm, and glass filter 7 is using Xiao Te D263T
Material is made.The center thickness of described lenses 1 is TC1, the air between lenses 1 and lenses 22
Gap is AC12,0.42<TC1/AC12<0.46.The radius of curvature value in first face of described lenses 45 is R41, thoroughly
The radius of curvature value in second face of mirror eyeglass 56 is R52,0.8<|R41/R52|<1.2.
The radius of curvature on the preceding surface of described lenses 1 is -11.88mm, and the radius of curvature on rear surface is
3.222mm, thickness is 0.500mm, and the air gap between lenses 1 and lenses 22 is 1.125mm, lens mirror
Piece 1 is made of H-QK3L materials, and H-QK3L refractive index is 1.487, and abbe number is 70.4；Described lenses two
The radius of curvature on 2 preceding surface is 9.1370mm, and the radius of curvature on rear surface is -5.7260mm, and thickness is 1.180mm, lens
Eyeglass 22 is made of HOYA TAF3 materials, and HOYA TAF3 refractive index is 1.804, and abbe number is 46.5；Described is saturating
The radius of curvature on the preceding surface of mirror eyeglass 34 is -4.2800mm, and the radius of curvature on rear surface is -5.0950mm, and thickness is
4.540mm, the air gap between lenses 34 and lenses 45 is 0.100mm, and lenses 34 use HOYA
TAF3 materials are made, and HOYA TAF3 refractive index is 1.804, and abbe number is 46.5；The preceding table of described lenses 45
The radius of curvature in face is 13.2110mm, and thickness is 2.785mm, and lenses 45 are made of HOYA BACD15 materials, HOYA
BACD15 refractive index is 1.623, and abbe number is 58.1；The radius of curvature on the preceding surface of described lenses 56 for-
4.1290mm, the radius of curvature on rear surface is -14.105mm, and thickness is 1.950mm, and lenses 56 are using HOYA FDS90
Material is made, and HOYA FDS90 refractive index is 1.847, and abbe number is 23.8.
The parameters of this product are as follows：
The optical system of the present invention uses full glass lens element, due to glass material compared to plastic cement material in high/low temperature
Stability under environment is preferable, so invention can effectively improve the stability under high and low temperature environment.The present invention is large aperture
System can improve the imaging capability under low light environment.The present invention uses five slice structures, lenses four and lenses five
Balsaming lens is constituted, it is simple in construction, cost can be effectively reduced, shortens optics overall length.The optimal angle of visual field FOV of this product is
70 °, relative illumination REL is more than 91%, chief ray incidence angles CRA<9.4 °, optical distortion is less than less than 20%, TTL optics overall lengths
19mm, F-number F/NO are 2.0.
Claims (1)
1. a kind of five chips imaging lens group, it is characterised in that：Lenses one are disposed with by thing side to image side（1）, thoroughly
Mirror eyeglass two（2）, diaphragm（3）, lenses three（4）, lenses four（5）, lenses five（6）, glass filter（7）With
Imaging surface（8）, described lenses one（1）, lenses two（2）, lenses three（4）, lenses four（5）And lens
Eyeglass five（6）It is glass lens, described lenses one（1）To bear refracting power lens；Described lenses two（2）For
Positive refracting power lens；Described lenses three（4）For concave-convex lens, and concave surface is towards object space, convex surface facing image space；Described
Lenses four（5）For biconvex lens；Described lenses five（6）For concave-convex lens, and concave surface is towards object space, convex surface facing
Image space；Described lenses one（1）The radius of curvature on preceding surface be -11.88mm, the radius of curvature on rear surface is
3.222mm, thickness is 0.500mm, lenses one（1）With lenses two（2）Between the air gap be 1.125mm, thoroughly
Mirror eyeglass one（1）It is made of H-QK3L materials, H-QK3L refractive index is 1.487, and abbe number is 70.4；Described lens
Eyeglass two（2）The radius of curvature on preceding surface be 9.1370mm, the radius of curvature on rear surface is -5.7260mm, and thickness is
1.180mm, lenses two（2）It is made of HOYA TAF3 materials, HOYA TAF3 refractive index is 1.804, abbe number
For 46.5；Described lenses three（4）The radius of curvature on preceding surface be -4.2800mm, the radius of curvature on rear surface for -
5.0950mm, thickness is 4.540mm, lenses three（4）With lenses four（5）Between the air gap be 0.100mm, thoroughly
Mirror eyeglass three（4）It is made of HOYA TAF3 materials, HOYA TAF3 refractive index is 1.804, and abbe number is 46.5；It is described
Lenses four（5）Preceding surface radius of curvature be 13.2110mm, thickness is 2.785mm, lenses four（5）Using
HOYA BACD15 materials are made, and HOYA BACD15 refractive index is 1.623, and abbe number is 58.1；Described lenses
Five（6）The radius of curvature on preceding surface be -4.1290mm, the radius of curvature on rear surface is -14.105mm, and thickness is 1.950mm,
Lenses five（6）It is made of HOYA FDS90 materials, HOYA FDS90 refractive index is 1.847, and abbe number is 23.8；
Described glass filter（7）Thickness be 0.550mm, glass filter（7）It is made of Xiao Te D263T materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510100863.0A CN104614842B (en) | 2015-03-09 | 2015-03-09 | A kind of five chip imaging lens groups |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510100863.0A CN104614842B (en) | 2015-03-09 | 2015-03-09 | A kind of five chip imaging lens groups |
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| CN104614842A CN104614842A (en) | 2015-05-13 |
| CN104614842B true CN104614842B (en) | 2017-09-22 |
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| TWI601994B (en) * | 2015-12-15 | 2017-10-11 | 大立光電股份有限公司 | Imaging optical lens assembly, image capturing apparatus and electronic device |
| CN108802979B (en) * | 2017-08-29 | 2020-09-15 | 成都理想境界科技有限公司 | Short-focus projection objective and optical fiber scanning projection equipment |
| CN114815181B (en) * | 2022-04-19 | 2023-09-05 | 江西晶超光学有限公司 | Optical system, lens module and electronic equipment |
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| CN204462506U (en) * | 2015-03-09 | 2015-07-08 | 襄阳锦翔光电科技股份有限公司 | A kind of five chip imaging lens group |
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| KR100781901B1 (en) * | 2006-05-30 | 2007-12-04 | 정수용 | Optical system for broadband security camera |
| JP2008122880A (en) * | 2006-11-15 | 2008-05-29 | Olympus Imaging Corp | Zoom lens and electronic imaging apparatus |
| CN203311084U (en) * | 2013-06-28 | 2013-11-27 | 东莞市宇瞳光学科技有限公司 | Day and night prime MTV lens |
| CN204009203U (en) * | 2014-06-05 | 2014-12-10 | 厦门奇亚光电科技有限公司 | A kind of wide-angle high definition on-vehicle lens |
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| CN204462506U (en) * | 2015-03-09 | 2015-07-08 | 襄阳锦翔光电科技股份有限公司 | A kind of five chip imaging lens group |
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Address after: 441400 Song Yu road two, Yicheng Economic Development Zone, Xiangfan, Hubei Applicant after: Xiangyang Jin Xiang Optoelectronics Technology incorporated company Address before: 1403, room 2, building No. 1, blue castle Bay, Dongfeng Road, No. 28, Dongfeng Road, Jinshui District, Henan, Zhengzhou 450000 Applicant before: Xiangyang Jin Xiang Optoelectronics Technology incorporated company |
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Inventor after: Wang Tingqun Inventor after: Jiao Yuanhong Inventor before: Luo Jie Inventor before: Yin Zongbao |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170824 Address after: Nanyang City, Henan province 473000 Wolong District Industrial Park Dragon Yu Wang Village No. 1 Applicant after: Henan small photoelectric Polytron Technologies Inc Address before: 441400 Song Yu road two, Yicheng Economic Development Zone, Xiangfan, Hubei Applicant before: Xiangyang Jin Xiang Optoelectronics Technology incorporated company |
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Granted publication date: 20170922 Termination date: 20190309 |