CN106940467A - A kind of ultra-wide angle strip visual field camera lens for laser ranging system - Google Patents
A kind of ultra-wide angle strip visual field camera lens for laser ranging system Download PDFInfo
- Publication number
- CN106940467A CN106940467A CN201610005390.0A CN201610005390A CN106940467A CN 106940467 A CN106940467 A CN 106940467A CN 201610005390 A CN201610005390 A CN 201610005390A CN 106940467 A CN106940467 A CN 106940467A
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- China
- Prior art keywords
- lens
- visual field
- cylindrical mirror
- camera lens
- ultra
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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
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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
- G02B13/06—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
- G02B13/001—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
Abstract
The invention provides a kind of ultra-wide angle strip visual field camera lens for laser ranging system, the camera lens is made up of optical lens group, cylindrical mirror and chip；The optical lens group includes the first lens, diaphragm face, the second lens and the 3rd lens, the cylindrical mirror is located between the 3rd lens and the chip, second lens are located between first lens and the diaphragm face, the diaphragm face is located between the second lens and the 3rd lens, and first lens are located at the second lens side；The preceding surface of the cylindrical mirror is the standard face of cylinder, and rear surface is standard flat, and the preceding surface of the cylindrical mirror is towards the 3rd lens, and rear surface is towards the chip；The present invention can shoot the visual field of the different angles of divergence of X, Y both direction, by the astigmatism of introducing portion, expand the angle of visual field of single axial, improve range accuracy；Apparatus of the present invention are simple in construction, alleviate camera lens weight, reduce customer using cost.
Description
Technical field
The present invention relates to a kind of ultra-wide angle strip visual field camera lens, more particularly to a kind of ultra-wide angle for laser ranging system
Strip visual field camera lens.
Background technology
Laser distance measurement method has that principle is simple, measuring speed fast, romote ranging the characteristics of, at present, laser ranging system
As main sensors, for drawing, positioning and avoidance, in communication, aviation, smart home, especially robot
Laser ranging field has very high application value.It is many to there is number of shots in existing laser ranging camera lens, user cost is high,
The problem of weight is greatly and the angle of visual field is small.
The content of the invention
The defect that the present invention exists for above-mentioned technology is regarded there is provided a kind of ultra-wide angle strip for laser ranging system
Field lens head.
The present invention is achieved through the following technical solutions, a kind of ultra-wide angle strip visual field mirror for laser ranging system
Head, the camera lens is made up of optical lens group, cylindrical mirror and chip；The optical lens group includes the first lens, diaphragm
Face, the second lens and the 3rd lens, the cylindrical mirror are located between the 3rd lens and the chip, and described second
Lens are located between first lens and the diaphragm face, and the diaphragm face is located between the second lens and the 3rd lens,
First lens are located at the second lens side；The preceding surface of the cylindrical mirror is the standard face of cylinder, and rear surface is
Standard flat, the preceding surface of the cylindrical mirror is towards the 3rd lens, and rear surface is towards the chip；The camera lens can
, can by the radius of curvature for changing the preceding surface of the cylindrical mirror to shoot the visual field of the different angles of divergence of X, Y both direction
To realize that Y-direction visual field is scaled.
By the astigmatism of introducing portion in said structure, the angle of visual field of single axial is expanded, can be maximally utilized
CMOS area；The bar dress image outline needed for laser ranging system system can be obtained by the image procossing in later stage.
The precision of laser ranging system can be effectively improved.
Specifically, first lens are meniscus shaped lens, and second lens are biconcave lens, the 3rd lens
For biconvex lens, the concave surfaces of described the first lens is towards second lens.
More specifically, the angle of visual field of the horizontal X-direction of the camera lens is 2~3 times of longitudinal Y-direction, maximum caliber is small
In 18mm, optics overall length is less than 30mm for the distance of the first lens to the 4th lens.
The present invention has the advantages that：
1) present invention expands the angle of visual field of single axial, can maximally utilize CMOS by the astigmatism of introducing portion
Area, the bar dress image outline needed for laser ranging system system can be obtained by the image procossing in later stage, is effectively carried
The high precision of laser ranging system.
2) present invention is adapted to use for machine vision relevant device, and lens assembly is simple in construction, only used 3 thoroughly
Mirror and 1 cylindrical mirror, not only mitigate camera lens weight, and reduction customer using cost, and distance-finding method is quick, sensitive,
There is very high application value in communication, aviation, smart home, especially robotic laser distance measurement field.
Brief description of the drawings
Fig. 1 is the top view of ultra-wide angle strip visual field camera lens of the present invention
Fig. 2 is the front view of ultra-wide angle strip visual field camera lens of the present invention
Symbol is represented in figure：1：First lens；2：Second lens；3：Diaphragm face；4：3rd lens；5：Cylinder
The preceding surface of mirror；6：Surface after cylindrical mirror；7：Chip
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of ultra-wide angle strip visual field camera lens for laser ranging system, the camera lens is by optical lens
Group, cylindrical mirror and chip 7 are constituted；The optical lens group includes the first lens 1, diaphragm face 3, the second lens 2
With the 3rd lens 4, the cylindrical mirror is located between the 3rd lens 4 and the chip 7, second lens 2
Between first lens 1 and the diaphragm face 3, the diaphragm face 3 is located at the second lens 2 and the 3rd lens
Between 4, first lens 1 are located at the side of the second lens 2；The preceding surface 5 of the cylindrical mirror is standard round
After cylinder, the cylindrical mirror surface 6 be standard flat, the preceding surface 5 of the cylindrical mirror towards the 3rd lens 4,
Surface 6 is towards the chip after cylindrical mirror；First lens 1 are meniscus shaped lens, and second lens 2 are that concave-concave is saturating
Mirror, the 3rd lens 4 are biconvex lens, and the concave surfaces of described the first lens 1 is towards second lens 2.
The angle of visual field of the horizontal X-direction of the camera lens is 2.5 times of longitudinal Y-direction, and maximum caliber is less than 18mm,
Optics overall length is less than 30mm for the distance of the first lens to the 4th lens.
The camera lens can shoot the visual field of the different angles of divergence of X, Y both direction, by changing table before the cylindrical mirror
The radius of curvature in face 5 can realize that Y-direction visual field is scaled.
The present invention expands the angle of visual field of single axial, can maximally utilize CMOS by the astigmatism of introducing portion
Area, the bar dress image outline needed for laser ranging system system can be obtained by the image procossing in later stage, is effectively carried
The high precision of laser ranging system.
The present invention be adapted to is used for machine vision relevant device, lens assembly is simple in construction, only used 3 lens with
1 cylindrical mirror, not only mitigates camera lens weight, and reduction customer using cost, and distance-finding method is quick, sensitive；
Communication, aviation, smart home, especially robotic laser distance measurement field have very high application value.
Previous embodiment and advantage are only exemplary, and are understood not to limit the disclosure.The present invention can be easily
Applied to other types of equipment.In addition, the description of the exemplary embodiment of the disclosure is explanatory, it is not intended to limit
The scope of claim, many replacement, modifications and variations will be apparent to practitioners skilled in the art.
Claims (3)
1. a kind of ultra-wide angle strip visual field camera lens for laser ranging system, the camera lens is by optical lens group, cylindrical mirror
Constituted with chip；It is characterized in that：The optical lens group includes the first lens, diaphragm face, the second lens and the 3rd
Lens, the cylindrical mirror is located between the 3rd lens and the chip, and it is saturating that second lens are located at described first
Between mirror and the diaphragm face, the diaphragm face is located between the second lens and the 3rd lens, and first lens are located at
The second lens side；The preceding surface of the cylindrical mirror is the standard face of cylinder, and rear surface is standard flat, the post
The preceding surface of face mirror is towards the 3rd lens, and rear surface is towards the chip；The camera lens can shoot X, Y two
The visual field of the direction difference angle of divergence, Y-direction visual field can be realized by the radius of curvature for changing the preceding surface of the cylindrical mirror
Scaling.
2. ultra-wide angle strip visual field camera lens according to claim 1, it is characterised in that：The first described lens are
Meniscus shaped lens, second lens are biconcave lens, and the 3rd lens are biconvex lens, first lens
Concave surface is towards second lens.
3. ultra-wide angle strip visual field camera lens according to claim 1 or 2, it is characterised in that：The horizontal stroke of the camera lens
To 2~3 times that the angle of visual field of X-direction is longitudinal Y-direction, maximum caliber is less than 18mm, and optics overall length is first saturating
The distance of mirror to the 4th lens is less than 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005390.0A CN106940467A (en) | 2016-01-05 | 2016-01-05 | A kind of ultra-wide angle strip visual field camera lens for laser ranging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005390.0A CN106940467A (en) | 2016-01-05 | 2016-01-05 | A kind of ultra-wide angle strip visual field camera lens for laser ranging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106940467A true CN106940467A (en) | 2017-07-11 |
Family
ID=59469074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610005390.0A Pending CN106940467A (en) | 2016-01-05 | 2016-01-05 | A kind of ultra-wide angle strip visual field camera lens for laser ranging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106940467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521553A (en) * | 2018-12-26 | 2019-03-26 | 广东思锐光学股份有限公司 | A kind of external lens for mobile terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900843A (en) * | 2009-05-28 | 2010-12-01 | 纳卢克斯株式会社 | Line generator |
| CN202770436U (en) * | 2012-09-03 | 2013-03-06 | 公安部第三研究所 | Laser range finder |
| CN103048790A (en) * | 2013-01-11 | 2013-04-17 | 哈尔滨工业大学 | Single-color laser beam-expanding collimation system |
| CN204154310U (en) * | 2014-09-30 | 2015-02-11 | 扬州福斯特激光仪器有限公司 | There is the laser module of afterbody adjustment mechanism |
| CN205318007U (en) * | 2016-01-05 | 2016-06-15 | 北京雷动云合智能技术有限公司 | A super wide angle strip visual field camera lens for laser rangefinder |
-
2016
- 2016-01-05 CN CN201610005390.0A patent/CN106940467A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900843A (en) * | 2009-05-28 | 2010-12-01 | 纳卢克斯株式会社 | Line generator |
| CN202770436U (en) * | 2012-09-03 | 2013-03-06 | 公安部第三研究所 | Laser range finder |
| CN103048790A (en) * | 2013-01-11 | 2013-04-17 | 哈尔滨工业大学 | Single-color laser beam-expanding collimation system |
| CN204154310U (en) * | 2014-09-30 | 2015-02-11 | 扬州福斯特激光仪器有限公司 | There is the laser module of afterbody adjustment mechanism |
| CN205318007U (en) * | 2016-01-05 | 2016-06-15 | 北京雷动云合智能技术有限公司 | A super wide angle strip visual field camera lens for laser rangefinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521553A (en) * | 2018-12-26 | 2019-03-26 | 广东思锐光学股份有限公司 | A kind of external lens for mobile terminal |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20170711 |