CN205897035U - A even source of illumination of indoor high spectrum spoke out -degree for research of target optical characteristic - Google Patents
A even source of illumination of indoor high spectrum spoke out -degree for research of target optical characteristic Download PDFInfo
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- CN205897035U CN205897035U CN201620646793.9U CN201620646793U CN205897035U CN 205897035 U CN205897035 U CN 205897035U CN 201620646793 U CN201620646793 U CN 201620646793U CN 205897035 U CN205897035 U CN 205897035U
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Abstract
The utility model discloses an even source of illumination of indoor high spectrum spoke out -degree for research of target optical characteristic, its characterized in that: including illumination camera lens, mechanically adjusting mechanism and the multi -functional light source support that can realize that the facula characteristic is adjusted, can realize that illumination camera lens that the facula characteristic was adjusted passes through mechanically adjusting mechanism and adjusts at a multi -functional light source shelf location, form on 3.2m's height jointly, ground uniform illumination facula can reach 300mm, is spectrum spoke out -degree above 20 mu W. Cm 2. Nm 1, the illumination degree of consistency is superior to 95% source of illumination system. The utility model discloses but achieve your goals's narrow wave band, broadband uniform illumination, spectrum spoke out -degree is high, illumination angle is adjustable, illumination area territory size is adjustable, can be used as the laboratory source of illumination of the optical characteristic researchs such as reflectivity characteristic, directional characteristic, surperficial polarization characteristic of target.
Description
Technical field
This utility model belongs to optical remote sensing apparatus field and in particular to a kind of experiment for target optical characteristic research
Indoor EO-1 hyperion spoke out-degree Uniform Illumination light source.
Background technology
In optical remote sensing field, in the reflection characteristic of labs target, directional characteristic or the research of surface polarization characteristic
When, generally adopt artificial light source as lighting source.For this kind of light source, typically require its wavelength band can cover spy
The service band of measurement equipment, its radiant output is capable of the spectrum spoke out-degree of simulated solar, and the light angle of light source can be simulated too
The light angle (zenith angle and azimuth) of sun, this outer light source must also meet certain illumination uniformity and require.
In indoor at present ground object target reflection characteristic, polarization characteristic research, commonly used Halogen light device is illuminated.
Halogen lamp lighting apparatus are mainly made up of high-power halogen light source case and spider, control the illumination angle of light source by spider
Degree.Light-source box inner lighting system is generally made up of bulb and concave mirror, by adjusting concave mirror position control light
Source focuses on or collimation outgoing, simpler is: powerful Halogen light is placed in airtight light-source box, lamp box one side perforate
Go out light, in general, the illumination spot of this kind of light-source box is uneven, assumes the weak feature of middle strong edge.It is limited to three
The height of foot rest and adjustable extent, the light angle adjustable extent of lighting source is limited.Additionally, the spectral radiance of Halogen light divides
Cloth spoke out-degree at shortwave is relatively low, is about 1 ~ 5 μ w.cm in 370 ~ 700nm halogen lamp lighting apparatus spectrum spoke out-degree-2.nm-1, with
The natural illumination state of ground object target differs greatly.
Utility model content
The purpose of this utility model is that in solution conventional target optical Properties, lighting source spectrum spoke out-degree is low, illuminates
Uneven technical limitation, the lighting source provide a kind of EO-1 hyperion spoke out-degree, having good uniformity.Additionally, in light source lighting
Adjustable angle, can be in the different light angle of interior simulation in a big way it is adaptable to target optical characteristic be (as directional reflectance ratio is special
Property, surface polarization characteristic) measurement Research.
This utility model is achieved through the following technical solutions:
For target optical characteristic research indoor EO-1 hyperion spoke out-degree Uniform Illumination light source it is characterised in that: inclusion can
Realize illumination camera lens, mechanical adjusting mechanism and the multi-functional light source bracket of the regulation of hot spot characteristic, achievable hot spot characteristic is adjusted
Illumination camera lens regulation is installed on multi-functional light source bracket by mechanical adjusting mechanism, be collectively forming on the height of 3.2m,
, up to 300mm, spectrum spoke out-degree is more than 20 μ w.cm for ground Uniform Illumination hot spot-2.nm-1, the illumination better than 95% for the illumination uniformity
Light-source system.
The illumination camera lens that achievable hot spot characteristic is adjusted includes scalable lens barrel and is arranged on the photograph in scalable lens barrel
Bright optical system, it is multiple that described lamp optical system includes SMD face battle array led illuminating source, the even mating plate of transmission-type, transmission-type
Achromatism illuminates camera lens, and the even mating plate of described transmission-type is arranged near SMD face battle array led illuminating source rear 5mm, thereafter
Side is provided with transmission-type apochromatism illumination camera lens, and the even mating plate of transmission-type is located at the thing that transmission-type apochromatism illuminates camera lens
Square near focal point, after the light beam that SMD face battle array led illuminating source sends first passes through the even light of the even mating plate of transmission-type, then through transmission
Formula apochromatism illumination camera lens illuminates in target, adjusts the even light of transmission-type by rotating the regulation volution on scalable lens barrel
Piece illuminates the relative position of camera lens with transmission-type apochromatism, realizes illumination spot illumination size and illumination uniformity is adjusted.
Each led wafer in described SMD face battle array led illuminating source is arranged on a circular BOHUANG by array distribution
On copper base, this pyrite substrate is arranged on and forms lighting source integral installation in lens barrel on a thick aluminium sheet, simultaneously on thick aluminium sheet
It is milled with snakelike water-cooling groove, realize the refrigeration to high-power face battle array led illuminating source using circulating water cooling system.
Described SMD face battle array led illuminating source, the led wafer that can configure same centre wavelength as needed is realized
The led wafer of narrow-band illumination or configuration multiple difference centre wavelength realizes multiband or broadband illumination.
The even mating plate of described transmission-type is holographic diffusion plate, any one in quartzy clouded glass or opal glass frosted glass plate
Kind.
Described transmission-type apochromatism illuminates this internal, mirror of this part of lens barrel that camera lens is arranged on adjustable mirror tube rear end
Cylinder body both sides are provided with guiding draw-in groove, and transmission-type apochromatism illumination camera lens passes through to be arranged on card article clamping installation in guiding draw-in groove
Lens barrel this is internal, lens barrel body outer surface and outside are provided with the closely-pitched external screw thread cooperating and screw thread volution, lead to
Cross turn adjust volution drive card article move up and down in guiding draw-in groove carry out realizing transmission-type apochromatism illumination camera lens ±
The mobile range of accommodation of 25mm, described
The mechanical adjusting mechanism stated is a pair of connection journal stirrup and is fixed on the switching adnexa connecting on journal stirrup, connects journal stirrup
It is provided with the pin hole of the distribution in circular arc, illumination camera lens, with 5 ° for interval, can be arranged on not by pin hole by installing pin
In same pin hole, realize different light angles, switching adnexa is used for different light angles simple, convenient, and reliablely
Illumination camera lens be fixed on the cross bar of light source bracket.
Described multi-functional light source bracket include can oscilaltion principal arm, principal arm built using double Vertical section bars, double perpendicular types
It is provided with bracing piece between material bar, the stability of common guarantee support, reinforcement can be additionally provided between the principal arm of oscilaltion and cross bar
Diagonal brace ensureing the rigidity of cross bar, can the adjustable height of principal arm of oscilaltion be 1.8-3.2m it is ensured that the ground handling people that stands
The operability of member and the needs of differing heights illuminator level.The horizontal stroke that can realize sliding laterally is installed above described principal arm
Bar, slides laterally the regulation that can realize illuminating brachium, that is, realizes the regulation of the position of ground hot spot, so ensures target to be measured
Thing is in spot center all the time, need not move, and one end of cross bar is provided with illumination camera lens by mechanical adjusting structure, cross bar another
One end be provided with balancing weight realize system gravity be distributed in light source bracket can oscilaltion principal arm underface, balancing weight is in reality
Border can be suspended on the cross bar other end by tightrope and hang close to ground in using, apparent weight difference and increase and decrease;Described light
Source support can oscilaltion the bottom of principal arm of oscilaltion can be provided with square chassis, being uniformly provided with below square chassis can be little
Four castors of scope movement, can promote whole support in the movement on ground by castor, change the azimuth of light source incidence;
System gravity acts on the center on square chassis under balancing weight coordinative role.
Advantage of the present utility model:
This illuminator can provide the room lighting that top view and multiple angles tiltedly regard down, energy from of a relatively high height
The simulation that sunlight is more nearly and approximate, and there are some irreplaceable effects: have timely, live, can be subject to
The features such as manually control, be protected from weather influences.Slided by cross bar and move light source cylinder, it is possible to achieve the illumination spot position on ground
Substantially stationary, so ensure that object to be measured is in center all the time, need not move;This utility model device has EO-1 hyperion spoke and goes out
Degree, more than 20 μ w.cm-2.nm-1, close to 0.1 solar constant.And by changing the LED light source of different wave length, it is possible to achieve
The emergent light of different-waveband.Laboratory experiment proves, this lighting source is reliable and stable, simple to operate, low cost, simulation effect are good.
Brief description
Fig. 1 is the internal view of light source cylinder of the present utility model:
Wherein: a1 lower end volution, a2 lens barrel body, a3 card article, a4 adjust volution, a5 transmission-type apochromatism illuminating mirror
Head, a6 upper end volution, the even mating plate of a7 transmission-type, a8 SMD face battle array led illuminating source, a9 water-cooling groove.
Fig. 2 is illumination adjustments structural scheme of mechanism of the present utility model:
Wherein: b1 illumination camera lens, b2 connect journal stirrup, b3 angular adjustment hole position, b4 section bar connection adnexa.
Fig. 3 is total system schematic diagram of the present utility model:
Wherein: c2 cross bar, c3 strengthen diagonal brace, c4 bracing piece, tetra- groove bars of c5, six handles of c6, c7 balancing weight, c8 two
Montant, c9 rectangular chassis framework, c10 castor.
Specific embodiment
As Figure 1-3, for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research, its feature
It is: include can achieve illumination camera lens, mechanical adjusting mechanism and the multi-functional light source bracket that hot spot characteristic is adjusted, achievable light
The illumination camera lens that speckle characteristic is adjusted installs regulation by mechanical adjusting mechanism on multi-functional light source bracket, is collectively forming in 3.2m
Height on, up to 300mm, spectrum spoke out-degree is more than 20 μ w.cm for ground Uniform Illumination hot spot-2.nm-1, illumination uniformity is better than
95% luminous source system.
As shown in figure 1, can achieve that the illumination camera lens that hot spot characteristic is adjusted includes scalable lens barrel and is arranged on scalable
Lamp optical system in lens barrel, described lamp optical system includes SMD face battle array led illuminating source a8, the even light of transmission-type
Piece a7, transmission-type apochromatism illumination camera lens a5, described transmission-type even mating plate a7 is arranged on SMD face battle array led a8 rear
Near 5mm, its rear is provided with transmission-type apochromatism illumination camera lens a5, and the even smooth a7 piece of transmission-type disappears again positioned at transmission-type
Aberration illuminates near the object focus of camera lens a5, and it is even that the light beam that SMD face battle array led a8 sends first passes through transmission-type even mating plate a7
After light, then illuminate in target through transmission-type apochromatism illumination camera lens a5, by rotating the regulation spiral shell on scalable lens barrel
Ring a4, to adjust the relative position of transmission-type even mating plate a7 and transmission-type apochromatism illumination camera lens a5, realizes illumination spot illumination
Size and illumination uniformity are adjusted.
Each led wafer in described SMD face battle array led a8 is arranged on a circular BOHUANG copper base by array distribution
On, this pyrite substrate is arranged on composition lighting source integral installation on a thick aluminium sheet and, in lens barrel, is milled with Serpentiss on thick aluminium sheet simultaneously
Shape water-cooling groove a9, realizes the refrigeration to high-power face battle array led illuminating source using circulating water cooling system.
Described SMD face battle array led a8, the led wafer that can configure same centre wavelength as needed realizes narrow ripple
The led wafer of Duan Zhaoming or configuration multiple difference centre wavelength realizes multiband or broadband illumination.
Described transmission-type even mating plate a7 is holographic diffusion plate, any in quartzy clouded glass or opal glass frosted glass plate
A kind of.
Described transmission-type apochromatism illumination camera lens is arranged in the lens barrel body a2 of adjustable mirror tube rear end, this part
Lens barrel body a2 both sides are provided with guiding draw-in groove, and transmission-type apochromatism illumination camera lens a5 passes through to be arranged on card article card in guiding draw-in groove
In the lens barrel body a2 that tight a3 is arranged on, lens barrel body a2 outer surface and outside be provided with the closely-pitched external screw thread cooperating and
Screw thread volution a4, adjusts volution a4 by turn and drives card article a3 to move up and down in guiding draw-in groove and carry out realizing transmission-type disappearing again
Aberration illuminates the mobile range of accommodation of ± 25mm of camera lens a5, because apochromatism illumination camera lens a5 is by card article a3 clamping
, and card article a3 only moves in guiding draw-in groove, illuminates the upper of camera lens a5 so adjusting and may only realizing transmission-type apochromatism
Lower movement, rather than rotate.The lower end of screw thread volution a4 and upper end further respectively have lower end volution a1 and upper end volution a6, lower end
The major function of volution a1 and upper end volution a6 is to be directed to draw-in groove to cover, make outside not light leak it is also possible to as adjust volution
The locked use of a4, adjusting transmission-type apochromatism illumination camera lens a5 by the cooperation of optics fine thread can make adjustment more smart
Carefully.
As shown in Fig. 2 the described mechanical adjusting mechanism stated is to connect journal stirrup b2 for a pair and be fixed on connection journal stirrup
Switching adnexa, connect journal stirrup and be provided with circular arc distribution pin hole and be used as angular adjustment hole position b3, pin hole is to be spaced with 5 °,
Different illumination angles can be realized by being arranged in different pin holes pin by illuminating camera lens b1 simple, convenient, and reliablely
Degree forms the illumination camera lens of different light angles, and switching adnexa is section bar connection adnexa b4, for by different light angles
Illumination camera lens be fixed on the cross bar c2 of light source bracket.
It is arranged on principal arm and can achieve cross bar c2 length 3.5m sliding laterally, sliding laterally on principal arm can be real
Now illuminate the regulation of brachium, that is, realize the regulation of the position of ground hot spot, so ensure that object to be measured is in hot spot all the time
The heart, need not move.
Described light source bracket can be built using double upright pole section bars the principal arm of oscilaltion, and double upright pole section bars can rise for four
Fall groove bar c5, is provided with bracing piece c4 between four liftable groove bar c5, the stability of common guarantee support, can oscilaltion master
The adjustable height of arm is 1.8-3.2m it is ensured that the need of the operability of the surface personnel that stands and differing heights illuminator level
Will.Can reinforcement diagonal brace c3 be additionally provided between the principal arm of oscilaltion and cross bar c2 to ensure the rigidity of cross bar, can oscilaltion
The bottom of principal arm is provided with rectangular chassis framework c9, be uniformly provided with below square chassis can small range movement four castor c10,
Whole support can be promoted in the movement on ground by castor, change the azimuth of light source incidence;System gravity is in balancing weight c7
The center of square chassis c9 is acted on, it is another that balancing weight can be suspended on cross bar c2 by tightrope in actual use under coordinative role
One end simultaneously hangs close to ground, apparent weight is different and increase and decrease.
The system is tested, present system provides the EO-1 hyperion spoke out-degree of the high indoor top view of 3.2m, angle adjustable
Uniform Illumination light source, device can drop to 1.8m height, and people ground of standing adjusts light angle and facula position manually.Namely
Say 3.2m highly go up it is provided that 90 ° ~ 40 ° of elevation angles homogenize illumination, angle is spaced apart 5 °, and ground can obtain diameter
About 300mm, illumination uniformity are better than 95%, spectrum spoke out-degree more than 20 μ w.cm-2.nm-1, equal close to 0.1 solar constant
Even hot spot, is manually adjusted, and hot spot can be in center all the time, without departing from target.If also needing to change incidence side
Parallactic angle, can be realized by moving integrally light source shelf.
In laboratory polarimetry water surface characteristic test, against the water wave in pond and manual simulation, by polarizing camera
Observation, under top view and other incidence angles degrees, water surface solar flare effect under being shone with simulated solar irradiation, can observe
The difference of target polarization information, adopts polarizing method observation and parsing target under water surface solar flare background, inexpensive indoors, just
Begin, in polarization analysis research, to have played practical function.
Claims (8)
1. be used for target optical characteristic research indoor EO-1 hyperion spoke out-degree Uniform Illumination light source it is characterised in that: inclusion can be real
Illumination camera lens, mechanical adjusting mechanism and multi-functional light source bracket that existing hot spot characteristic is adjusted, achievable hot spot characteristic is adjusted
Illumination camera lens installs regulation by mechanical adjusting mechanism on multi-functional light source bracket, is collectively forming on the height of 3.2m, ground
, up to 300mm, spectrum spoke out-degree is more than 20 μ w.cm for face Uniform Illumination hot spot-2.nm-1, the illumination light better than 95% for the illumination uniformity
Origin system;The illumination camera lens that achievable hot spot characteristic is adjusted includes scalable lens barrel and is arranged on the illumination in scalable lens barrel
Optical system, described lamp optical system includes SMD face battle array led illuminating source, the even mating plate of transmission-type, transmission-type disappear again
Aberration illuminates camera lens, and the even mating plate of described transmission-type is arranged near SMD face battle array led illuminating source rear 5mm, its rear
It is provided with transmission-type apochromatism illumination camera lens, and the even mating plate of transmission-type is located at the object space that transmission-type apochromatism illuminates camera lens
Near focal point, after the light beam that SMD face battle array led illuminating source sends first passes through the even light of the even mating plate of transmission-type, then through transmission-type
Apochromatism illumination camera lens illuminates in target, adjusts the even mating plate of transmission-type by rotating the regulation volution on scalable lens barrel
Illuminate the relative position of camera lens with transmission-type apochromatism, realize illumination spot illumination size and illumination uniformity is adjusted.
2. it is used for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research as claimed in claim 1, its
It is characterised by: each the led wafer in the battle array led illuminating source of described SMD face is arranged on a circular latten brass by array distribution
On substrate, this pyrite substrate is arranged on a thick aluminium sheet and forms lighting source integral installation in scalable lens barrel front end, thickness simultaneously
Snakelike water-cooling groove is milled with aluminium sheet, realizes the refrigeration to high-power face battle array led illuminating source using circulating water cooling system.
3. it is used for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research as claimed in claim 1, its
It is characterised by: described SMD face battle array led illuminating source, the led that can configure same centre wavelength as needed is brilliant
Unit realizes narrow-band illumination or the led wafer of configuration multiple difference centre wavelength realizes multiband or broadband illumination.
4. it is used for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research as claimed in claim 1, its
It is characterised by: the even mating plate of described transmission-type is holographic diffusion plate, any in quartzy clouded glass or opal glass frosted glass plate
A kind of.
5. it is used for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research as claimed in claim 1, its
It is characterised by: described transmission-type apochromatism illuminates this internal, lens barrel body of lens barrel that camera lens is arranged on adjustable mirror tube rear end
Both sides are provided with guiding draw-in groove, and transmission-type apochromatism illuminates camera lens and passes through to be arranged on the mirror that in guiding draw-in groove, card article clamping is arranged on
Cylinder is originally internal, and lens barrel body outer surface and outside are provided with the closely-pitched external screw thread cooperating and screw thread volution, by turn
Adjusting volution drives card article to move up and down, in guiding draw-in groove, the shifting carrying out realizing that transmission-type apochromatism illuminates camera lens ± 25mm
Dynamic range of accommodation.
6. it is used for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research as claimed in claim 1, its
It is characterised by: described mechanical adjusting mechanism is a pair of connection journal stirrup and is fixed on the switching adnexa connecting on journal stirrup, connects
Journal stirrup is provided with the pin hole of the distribution in circular arc, and pin hole, with 5 ° for interval, can will illuminate camera lens installation by installing pin
In different pin holes, form the illumination camera lens of different light angles, switching adnexa is used for different light angles
Illumination camera lens is fixed on the cross bar of light source bracket.
7. it is used for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research as claimed in claim 1, its
Be characterised by: described multi-functional light source bracket include can oscilaltion principal arm, be provided with above described principal arm and can realize horizontal stroke
To the cross bar sliding, one end of cross bar is provided with illumination camera lens by mechanical adjusting structure, and the other end of cross bar is provided with counterweight
Block realize system gravity be distributed in light source bracket can oscilaltion principal arm underface.
8. it is used for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research as claimed in claim 7, its
Be characterised by: described light source bracket can oscilaltion principal arm adjustable height be 1.8-3.2m, built using double Vertical section bars,
It is provided with bracing piece between double Vertical section bars, reinforcement diagonal brace can be additionally provided between the principal arm of oscilaltion and cross bar, can oscilaltion
The bottom of principal arm be provided with square chassis, be provided with uniform four castors below square chassis.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105927937A (en) * | 2016-06-24 | 2016-09-07 | 中国科学院合肥物质科学研究院 | Indoor hyperspectral radiation exitance uniform illumination light source for target optical characteristic research |
-
2016
- 2016-06-24 CN CN201620646793.9U patent/CN205897035U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105927937A (en) * | 2016-06-24 | 2016-09-07 | 中国科学院合肥物质科学研究院 | Indoor hyperspectral radiation exitance uniform illumination light source for target optical characteristic research |
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