CN205809388U - Four-piece type laser lighting camera lens - Google Patents
Four-piece type laser lighting camera lens Download PDFInfo
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- CN205809388U CN205809388U CN201620131268.3U CN201620131268U CN205809388U CN 205809388 U CN205809388 U CN 205809388U CN 201620131268 U CN201620131268 U CN 201620131268U CN 205809388 U CN205809388 U CN 205809388U
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- type laser
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Abstract
The utility model discloses a kind of four-piece type laser lighting camera lens, penetrate, according to light, the first concavees lens, variable focus lens package and the second concavees lens that direction is sequentially coaxially arranged including from laser instrument light head；Laser first passes through the first concavees lens to expand its dispersion angle, increase focal-distance tuning range and reduce the zoom stroke of variable focus lens package, carry out zoom by variable focus lens package again and make emergent light spot homogenization, expand the angle of divergence of light finally by the second concavees lens and increase zooming range；Described variable focus lens package is made up of the two pieces of convex lenss be arrangeding in parallel.This utility model has that volume is little, zoom magnification big and in the advantage of complete burnt section energy Uniform Illumination.
Description
Technical field
This utility model relates to Optical devices, especially relates to that a kind of volume is little, zoom magnification big and entirely
The four-piece type laser lighting camera lens of burnt section energy Uniform Illumination.
Background technology
Traditional zoom lens typically uses and is slidably disposed in organizing eyeglass combination lens barrel in more, passes through
Rotate lens barrel and realize zoom function, so element is more and structure is complicated, owing to camera lens is bigger, it is difficult to be real
The miniaturization of existing zoom lens.Imaging lens on market is a lot of simultaneously, and specialty is used for the camera lens of illumination very
Few, less for the camera lens of infrared light filling.
Utility model content
For solving the problems referred to above, this utility model purpose be to provide a kind of volume is little, zoom magnification big and
Four-piece type laser lighting camera lens at complete burnt section energy Uniform Illumination.
This utility model is realized by techniques below measure, a kind of four-piece type laser lighting camera lens, including
Penetrate, according to light, the first concavees lens, variable focus lens package and second that direction is sequentially coaxially arranged from laser instrument light head
Concavees lens；Laser first pass through the first concavees lens to expand its dispersion angle, increase focal-distance tuning range and
Reduce the zoom stroke of variable focus lens package, then carry out zoom by variable focus lens package and make emergent light spot uniform
Change, expand the angle of divergence of light finally by the second concavees lens and increase zooming range；Described zoom lens
Group is made up of the two pieces of convex lenss be arrangeding in parallel.
As a kind of optimal way, described laser instrument is infrared laser.
As a kind of optimal way, described variable focus lens package is co-axially located at the first concavees lens and second recessed
Between mirror and adjustable on axis.
As a kind of optimal way, described infrared laser is VCSEL dot matrix type laser instrument.
As a kind of optimal way, the VCSEL dot matrix in described VCSEL dot matrix type laser instrument is organic
VCSEL dot matrix type.
As a kind of optimal way, the VCSEL dot matrix in described VCSEL dot matrix type laser instrument is optics pump
Pu.
This utility model passes through four lens, it is achieved bigger zoom magnification, and this utility model is by regulation
Between distance and variable focus lens package and the second concavees lens between variable focus lens package and the first concavees lens
Distance switches rapidly distance light and dipped beam.There are the first concavees lens of astigmatism power for expanding sending out of light
Dissipate angle, increase focal-distance tuning range and reduce the zoom stroke of variable focus lens package；Utilize two full block convex lens
The variable focus lens package of mirror composition linearly realizes optical zoom by guide rod, is ensureing zooming range
The uniformity of final emergent light spot can be kept simultaneously；Second concavees lens can expand divergence of beam further
Angle and increase zooming range.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment distance light.
Fig. 2 is the structural representation of this utility model embodiment dipped beam.
Detailed description of the invention
Below in conjunction with embodiment and compare accompanying drawing this utility model is described in further detail.
A kind of four-piece type laser lighting camera lens of the present embodiment, refer to accompanying drawing 1 and Fig. 2, including from swashing
Light device 100 light head penetrates, according to light, the first concavees lens 200, the variable focus lens package 300 that direction is sequentially coaxially arranged
With the second concavees lens 400；The laser sent on laser instrument 100 first passes through the first concavees lens 200 and expands
Its dispersion angle big, increase focal-distance tuning range and reduce the zoom stroke of variable focus lens package, then by becoming
Focus lens group 300 carries out zoom and makes emergent light spot homogenization, expands finally by the second recessed 400 mirrors
The angle of divergence of light and increase zooming range；Described variable focus lens package is by the two pieces of convex lenss be arrangeding in parallel
301,302 composition.
This laser lighting camera lens passes through four lens, it is achieved bigger zoom magnification, this laser lighting camera lens
By the distance between regulation variable focus lens package 300 and the first concavees lens 200 and variable focus lens package 300
And the distance between the second concavees lens 400 switches rapidly distance light and dipped beam.Have the first of astigmatism power
Concavees lens 200 are for expanding the dispersion angle of light, increasing focal-distance tuning range and reduce variable focus lens package
The zoom stroke of 300；Utilize the variable focus lens package of two full block convex lens 301,302 compositions by guide rod edge
Rectilinear direction realizes optical zoom, is ensureing can keep while zooming range final emergent light spot
Uniformity；Second concavees lens 400 can expand divergence of beam angle further and increase zooming range.
In the embodiment of a four-piece type laser lighting camera lens, refer to accompanying drawing 1 and Fig. 2, in previous technique
Specifically it is also possible that variable focus lens package 300 is co-axially located at the first concavees lens 200 He on the basis of scheme
Between second concavees lens 300 and adjustable on axis.
In the embodiment of a four-piece type laser lighting camera lens, refer to accompanying drawing 1 and Fig. 2, in previous technique
Specifically it is also possible that laser instrument 100 is infrared laser on the basis of scheme, infrared laser is VCSEL
Dot matrix type laser instrument.VCSEL, complete entitled vertical cavity surface emitting laser (Vertical Cavity
Surface Emitting Laser), develop based on gallium arsenide semiconductor material, be different from LED
The other light sources such as (light emitting diode) and LD (Laser Diode, laser diode), have volume little,
Circular output facula, single longitudinal mode export, threshold current is little, cheap, easy of integration for large area array
Etc. advantage, the extensively field such as application and optic communication, light network, optical storage.
In the embodiment of a four-piece type laser lighting camera lens, specifically also may be used on the basis of previous technique scheme
To be, the VCSEL dot matrix in VCSEL dot matrix type laser instrument is organic VCSEL dot matrix type.
In the embodiment of a four-piece type laser lighting camera lens, specifically also may be used on the basis of previous technique scheme
To be, the VCSEL dot matrix in VCSEL dot matrix type laser instrument is optical pumping.
It is above this utility model four-piece type laser lighting camera lens is set forth, is adapted to assist in understanding originally
Utility model, but embodiment of the present utility model being not restricted to the described embodiments, any without departing from
The change made under this utility model principle, modify, substitute, combine, simplify, all should be putting of equivalence
Change mode, be included in the interior of protection domain of the present utility model.
Claims (6)
1. a four-piece type laser lighting camera lens, it is characterised in that: include penetrating, according to light, the first concavees lens, variable focus lens package and the second concavees lens that direction is sequentially coaxially arranged from laser instrument light head；Laser first passes through the first concavees lens to expand its dispersion angle, increase focal-distance tuning range and reduce the zoom stroke of variable focus lens package, carry out zoom by variable focus lens package again and make emergent light spot homogenization, expand the angle of divergence of light finally by the second concavees lens and increase zooming range；Described variable focus lens package is made up of the two pieces of convex lenss be arrangeding in parallel.
Four-piece type laser lighting camera lens the most according to claim 1, it is characterised in that: described laser instrument is infrared laser.
Four-piece type laser lighting camera lens the most according to claim 1, it is characterised in that: described variable focus lens package is co-axially located between the first concavees lens and the second concavees lens and adjustable on axis.
Four-piece type laser lighting camera lens the most according to claim 2, it is characterised in that: described infrared laser is VCSEL dot matrix type laser instrument.
Four-piece type laser lighting camera lens the most according to claim 4, it is characterised in that: the VCSEL dot matrix in described VCSEL dot matrix type laser instrument is organic VCSEL dot matrix type.
Four-piece type laser lighting camera lens the most according to claim 4, it is characterised in that: the VCSEL dot matrix in described VCSEL dot matrix type laser instrument is optical pumping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620131268.3U CN205809388U (en) | 2016-02-19 | 2016-02-19 | Four-piece type laser lighting camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620131268.3U CN205809388U (en) | 2016-02-19 | 2016-02-19 | Four-piece type laser lighting camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205809388U true CN205809388U (en) | 2016-12-14 |
Family
ID=58143598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620131268.3U Active CN205809388U (en) | 2016-02-19 | 2016-02-19 | Four-piece type laser lighting camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205809388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591679A (en) * | 2017-09-08 | 2018-01-16 | 深圳市三千米光电科技有限公司 | The device of VCSEL laser divergence angle compressions is carried out using doubly telecentric camera lens |
| CN109143726A (en) * | 2018-09-28 | 2019-01-04 | 深圳市科诺恩科技有限公司 | A kind of varifocal light-feeding instrument |
-
2016
- 2016-02-19 CN CN201620131268.3U patent/CN205809388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591679A (en) * | 2017-09-08 | 2018-01-16 | 深圳市三千米光电科技有限公司 | The device of VCSEL laser divergence angle compressions is carried out using doubly telecentric camera lens |
| CN109143726A (en) * | 2018-09-28 | 2019-01-04 | 深圳市科诺恩科技有限公司 | A kind of varifocal light-feeding instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000, Guangdong, Shenzhen province Baoan District manhole Street on the South East Road No. 128, Heng Changrong hi tech Industrial Park, 1 floor, 12 floor, A Patentee after: SHENZHEN 3KM PHOTOELECTRIC SCIENCE AND TECHNOLOGY CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Xili Nanshan South Building 3 floor A block valley Patentee before: SHENZHEN 3KM PHOTOELECTRIC SCIENCE AND TECHNOLOGY CO., LTD. |