CN108957705A - A kind of no thermalization ultra-wide angle high definition on-vehicle lens - Google Patents
A kind of no thermalization ultra-wide angle high definition on-vehicle lens Download PDFInfo
- Publication number
- CN108957705A CN108957705A CN201811034734.6A CN201811034734A CN108957705A CN 108957705 A CN108957705 A CN 108957705A CN 201811034734 A CN201811034734 A CN 201811034734A CN 108957705 A CN108957705 A CN 108957705A
- Authority
- CN
- China
- Prior art keywords
- lens
- negative power
- positive light
- light coke
- vehicle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses a kind of no thermalization ultra-wide angle high definition on-vehicle lens, from the object side to the image side, it successively include the front lens group of negative power, the rear lens group of positive light coke, optical filter (ICR) and imaging surface (IMA), the front lens group of the negative power is made of the third lens of the first lens of negative power and the second lens of negative power and positive light coke, the rear lens group of the positive light coke by positive light coke the 4th lens, 5th lens of negative power and the 6th lens composition of positive light coke, 5th lens of the negative power and the 6th lens glue of positive light coke are combined into the first balsaming lens, first lens of the negative power and the second lens of negative power are meniscus lens to the right.High resolution of the present invention, thermal stability is good, field angle is big, can monitor the target in larger range, at the same can in large temperature range steady operation.In addition, the on-vehicle lens system structure is compact, shockproof effect is good, is highly suitable for vehicle-mounted pick-up head system.
Description
Technical field
The present invention relates to optical imaging apparatus technical field, specially a kind of no thermalization ultra-wide angle high definition on-vehicle lens.
Background technique
In recent years, traffic safety is increasingly paid attention to by people, and the imaging device that various auxiliary drive comes into being, wherein
More concerned is 360 ° of panorama monitoring devices, is monitored from all directions to vehicle-surroundings environment, guarantees the row of vehicle
Vehicle safety.And the field angle requirement that 360 ° of panoramas detect required camera lens is very big, it is even more big at 180 °.
Summary of the invention
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of good heat stability, can be at -30~95 DEG C
Higher image quality is kept in temperature range, can be used for the vehicle-mounted no thermalization ultra-wide angle high definition on-vehicle lens of 360 ° of panoramas.
In order to reach above-mentioned purpose of design, the technical scheme adopted by the invention is that: a kind of no thermalization ultra-wide angle high definition vehicle
Camera lens is carried, successively includes the front lens group of negative power, the rear lens group of positive light coke, optical filter (ICR) from the object side to the image side
With imaging surface (IMA), the front lens group of the negative power is by the first lens of negative power and the second lens of negative power
It is formed with the third lens of positive light coke, the rear lens group of the positive light coke is by the 4th lens of positive light coke, negative power
The 5th lens and positive light coke the 6th lens composition, the 5th lens of the negative power and the 6th lens of positive light coke
Gluing is the first balsaming lens, the first lens of the negative power and the second lens of negative power be to the right bent moon it is saturating
Mirror, the third lens of the positive light coke are biconvex lens, and the 4th lens of the positive light coke are meniscus lens to the left, described
5th lens of negative power are biconcave lens, and the 6th lens of the positive light coke are biconvex lens.
The diaphragm is located between the front lens group of negative power and the rear lens group of positive light coke.
Second lens of the negative power and the 4th lens of positive light coke are plastics even aspheric surface lens, surface
Camber z is calculated as follows
Wherein, r is surface radius, and k is two-term coefficient；αiFor high-order coefficient.
The distance on the first lens rear surface vertex of the negative power to the second lens front surface vertex of negative power
For 1.95~2.05mm, preferably 2mm.
Second lens rear surface vertex of the negative power to positive light coke the third lens front surface vertex away from
From for 1.95~2.05mm, preferably 2mm.
The third lens rear surface vertex of the positive light coke to the positive light coke the 4th lens front surface vertex
Distance be 0.4~0.5mm, preferably 0.4mm.
The distance on rear surface vertex to the front surface vertex of the first balsaming lens of the 4th lens of the positive light coke is
0.3~0.4mm, preferably 0.34mm.
The invention has the advantages that: a kind of no thermalization ultra-wide angle high definition on-vehicle lens being designed to according to above scheme, can-
Higher image quality is kept in 30~95 DEG C of temperature ranges, can be used for 360 ° of vehicle-mounted imaging devices of panorama, with prior art phase
Than, the beneficial effects of the present invention are embodied in: high resolution of the present invention, thermal stability is good, field angle is big, can monitor larger model
Enclose interior target, at the same can in large temperature range steady operation.In addition, the on-vehicle lens system structure is compact, shockproof effect
Fruit is good, is highly suitable for vehicle-mounted pick-up head system.
Detailed description of the invention
Fig. 1 is that of the invention arrange without ray optics glass is schemed；
Fig. 2 is band ray optics glass arrangement figure of the invention；
Fig. 3 is visible light MTF (modulation transfer function) schematic diagram of the present invention under normal temperature state；
Fig. 4 is visible light MTF (modulation transfer function) schematic diagram of the present invention under low-temperature condition；
Fig. 5 is visible light MTF (modulation transfer function) schematic diagram of the present invention at high operating temperatures.
Specific embodiment
A specific embodiment of the invention is described in detail with reference to the accompanying drawing.As shown in Figs. 1-5: a kind of no thermalization
Ultra-wide angle high definition on-vehicle lens, from the object side to the image side, successively rear lens including the front lens group 1 of negative power, positive light coke
Group 2, optical filter (ICR) 3 and imaging surface (IMA) 4, the front lens group 1 of the negative power by negative power the first lens L1
With the second lens L2 of negative power and the third lens L3 composition of positive light coke, the rear lens group 2 of the positive light coke is by just
The 6th lens L6 of 4th lens L4 of focal power, the 5th lens L5 of negative power and positive light coke are formed, the negative light focus
Degree the 5th lens L5 and positive light coke the 6th lens L6 gluing be the first balsaming lens B01, the first of the negative power
Lens L1 and the second lens L2 of negative power is that meniscus lens, the third lens L3 of the positive light coke are lenticular to the right
Mirror, the 4th lens L4 of the positive light coke are that meniscus lens, the 5th lens L5 of the negative power are biconcave lens to the left,
6th lens L6 of the positive light coke is biconvex lens.
The lens parameter is as follows:
The diaphragm is located between the front lens group 1 of negative power and the rear lens group 2 of positive light coke.
Second lens L2 of the negative power and the 4th lens L4 of positive light coke is plastics even aspheric surface lens,
Surface camber z is calculated as follows:
Wherein, r is surface radius, and k is two-term coefficient；αiFor high-order coefficient.
It is as shown in the table for the relevant parameter preferred value of each lens:
First lens L1 rear surface vertex of the negative power to the second lens L2 front surface vertex of negative power
Distance is 1.95~2.05mm, preferably 2mm.
Second lens L2 rear surface vertex of the negative power to positive light coke the third lens L3 front surface vertex
Distance be 1.95~2.05mm, preferably 2mm.
The third lens L3 rear surface vertex of the positive light coke to the positive light coke the 4th lens L4 front surface
The distance on vertex is 0.4~0.5mm, preferably 0.4mm.
The rear surface vertex of 4th lens L4 of the positive light coke to the front surface vertex of the first balsaming lens BO1 away from
From for 0.3~0.4mm, preferably 0.34mm.
The high-order coefficient preferred value such as table of the 4th lens L4 of the second lens L2 and positive light coke of the negative power
It is shown:
Claims (8)
1. a kind of no thermalization ultra-wide angle high definition on-vehicle lens, it is characterised in that: from the object side to the image side, successively including negative power
Front lens group, the rear lens group of positive light coke, optical filter (ICR) and imaging surface (IMA), the front lens group of the negative power by
The third lens of first lens of negative power and the second lens of negative power and positive light coke composition, the positive light coke
Rear lens group is made of the 4th lens, the 5th lens of negative power and the 6th lens of positive light coke of positive light coke, described
5th lens of negative power and the 6th lens glue of positive light coke are combined into the first balsaming lens, and the first of the negative power is thoroughly
Mirror and the second lens of negative power are meniscus lens to the right, and the third lens of the positive light coke are biconvex lens, described
4th lens of positive light coke are that meniscus lens, the 5th lens of the negative power are biconcave lens, the positive light focus to the left
6th lens of degree are biconvex lens.
2. a kind of no thermalization ultra-wide angle high definition on-vehicle lens according to claim 1, it is characterised in that: the diaphragm is located at
Between the front lens group of negative power and the rear lens group of positive light coke.
3. a kind of no thermalization ultra-wide angle high definition on-vehicle lens according to claim 1, it is characterised in that: the negative power
The second lens L2 and the 4th lens L4 of positive light coke be plastics even aspheric surface lens, surface camber z is calculated as follows:
Wherein, r is surface radius, and k is two-term coefficient；αiFor high-order coefficient.
4. a kind of no thermalization ultra-wide angle high definition on-vehicle lens according to claim 1, it is characterised in that: the negative power
The second lens and positive light coke the 4th lens be plastics even aspheric surface lens.
5. a kind of no thermalization ultra-wide angle high definition on-vehicle lens according to claim 1, it is characterised in that: the negative power
The first lens rear surface vertex to the second lens front surface vertex of negative power distance be 1.95~2.05mm, preferably
2mm。
6. a kind of no thermalization ultra-wide angle high definition on-vehicle lens according to claim 1, it is characterised in that: the negative power
The second lens rear surface vertex to positive light coke the third lens front surface vertex distance be 1.95~2.05mm, preferably
2mm。
7. a kind of no thermalization ultra-wide angle high definition on-vehicle lens according to claim 1, it is characterised in that: the positive light coke
The third lens rear surface vertex to the positive light coke the 4th lens front surface vertex distance be 0.4~0.5mm, it is excellent
Select 0.4mm.
8. a kind of no thermalization ultra-wide angle high definition on-vehicle lens according to claim 1, it is characterised in that: the positive light coke
The 4th lens rear surface vertex to the front surface vertex of the first balsaming lens distance be 0.3~0.4mm, preferably
0.34mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034734.6A CN108957705B (en) | 2018-09-05 | 2018-09-05 | Athermalization ultra-wide-angle high-definition vehicle-mounted lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034734.6A CN108957705B (en) | 2018-09-05 | 2018-09-05 | Athermalization ultra-wide-angle high-definition vehicle-mounted lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108957705A true CN108957705A (en) | 2018-12-07 |
| CN108957705B CN108957705B (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811034734.6A Active CN108957705B (en) | 2018-09-05 | 2018-09-05 | Athermalization ultra-wide-angle high-definition vehicle-mounted lens |
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| Country | Link |
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| CN (1) | CN108957705B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333591A (en) * | 2019-07-23 | 2019-10-15 | 福建福光天瞳光学有限公司 | A kind of 0.95mm vehicle-mounted high-definition looks around optical system and its imaging method |
| CN111323895A (en) * | 2018-12-14 | 2020-06-23 | 光芒光学股份有限公司 | Lens and manufacturing method thereof |
| CN114035307A (en) * | 2021-10-25 | 2022-02-11 | 福建福光股份有限公司 | 1.6mm ultra-wide angle six-piece optical lens |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614864A (en) * | 2009-06-09 | 2009-12-30 | 宁波舜宇车载光学技术有限公司 | Super wide angle mega pixel vehicle-mounted lens |
| CN201438236U (en) * | 2007-10-05 | 2010-04-14 | 富士能株式会社 | Camera shooting lens and camera shooting device |
| CN107577030A (en) * | 2016-07-05 | 2018-01-12 | 信泰光学(深圳)有限公司 | Wide-angle lens |
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2018
- 2018-09-05 CN CN201811034734.6A patent/CN108957705B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438236U (en) * | 2007-10-05 | 2010-04-14 | 富士能株式会社 | Camera shooting lens and camera shooting device |
| CN101614864A (en) * | 2009-06-09 | 2009-12-30 | 宁波舜宇车载光学技术有限公司 | Super wide angle mega pixel vehicle-mounted lens |
| CN107577030A (en) * | 2016-07-05 | 2018-01-12 | 信泰光学(深圳)有限公司 | Wide-angle lens |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323895A (en) * | 2018-12-14 | 2020-06-23 | 光芒光学股份有限公司 | Lens and manufacturing method thereof |
| CN110333591A (en) * | 2019-07-23 | 2019-10-15 | 福建福光天瞳光学有限公司 | A kind of 0.95mm vehicle-mounted high-definition looks around optical system and its imaging method |
| CN110333591B (en) * | 2019-07-23 | 2023-08-15 | 福建福光天瞳光学有限公司 | 0.95mm vehicle-mounted high-definition looking-around optical system and imaging method thereof |
| CN114035307A (en) * | 2021-10-25 | 2022-02-11 | 福建福光股份有限公司 | 1.6mm ultra-wide angle six-piece optical lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108957705B (en) | 2023-06-20 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190717 Address after: 473000 No. 366 Xinchen West Road, Nanyang High-tech Zone, Henan Province Applicant after: Nanyang Lida Photoelectric Co.,Ltd. Address before: 473000 Nanyang Industrial Road, Henan, No. 508 Applicant before: LIDA OPTICAL AND ELECTRONIC Co.,Ltd. |
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