CN105927937A - Indoor hyperspectral radiation exitance uniform illumination light source for target optical characteristic research - Google Patents
Indoor hyperspectral radiation exitance uniform illumination light source for target optical characteristic research Download PDFInfo
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- CN105927937A CN105927937A CN201610477708.5A CN201610477708A CN105927937A CN 105927937 A CN105927937 A CN 105927937A CN 201610477708 A CN201610477708 A CN 201610477708A CN 105927937 A CN105927937 A CN 105927937A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/18—Latch-type fastening, e.g. with rotary action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an indoor hyperspectral radiation exitance uniform illumination light source for target optical characteristic research. The light source is characterized by comprising an illumination lens capable of realizing the light spot characteristic adjustment, a mechanical adjusting mechanism and a multifunctional light source bracket; the illumination lens capable of realizing the light spot characteristic adjustment is mounted and adjusted on the multifunctional light source bracket through the mechanical adjusting mechanism, and is formed at a height of 3.2 m; ground uniform illumination light spots can reach 300 mm; the spectral radiation exitance exceeds 20 uW.cm-2. Nm-1; and the illumination uniformity is excellent than that of 95% of illumination light source systems. The light source can realize uniform illumination of narrow-wave sections and wide-wave sections of targets, is high in spectral radiation exitance, adjustable in illumination angle and adjustable in illumination area size, and can serve as a laboratory illumination light source for researching such optical characteristics as reflectivity characteristic, direction characteristic and surface polarization characteristic of the targets.
Description
Technical field
The invention belongs to optical remote sensing apparatus field, be specifically related to a kind of EO-1 hyperion spoke out-degree Uniform Illumination light source in the laboratory of target optical characteristic research.
Background technology
In optical remote sensing field, when reflection characteristic, directional characteristic or the research of surface polarization characteristic of labs target, generally use artificial light source as lighting source.For this kind of light source, typically require that its wavelength band can cover the service band of detecting devices, its radiant output can the spectrum spoke out-degree of simulated solar, the light angle of light source can the light angle (zenith angle and azimuth) of simulated solar, light source must also meet certain illumination uniformity requirement in addition.
In the ground object target reflection characteristic of indoor, polarization characteristic research, commonly used Halogen light device is illuminated at present.Halogen light illuminator is mainly made up of high-power halogen light source case and spider, is controlled the light angle of light source by spider.Light-source box inner lighting system is generally made up of bulb and concave mirror, by regulation concave mirror position control light-resource fousing or collimation outgoing, simpler: powerful Halogen light is placed in airtight light-source box, lamp box one side perforate goes out light, in general, the illumination spot of this kind of light-source box is uneven, presents the feature that middle strong edge is weak.Being limited to height and the adjustable extent of spider, the light angle adjustable extent of lighting source is limited.Additionally, the spectral radiance of Halogen light to be distributed in spoke out-degree at shortwave relatively low, be about 1 ~ 5 μ W.cm in 370 ~ 700nm Halogen light illuminator spectrum spoke out-degree-2.nm-1, differ greatly with the natural illumination state of ground object target.
Summary of the invention
Present invention aim to address in conventional target optical Properties that lighting source spectrum spoke out-degree is low, the technical limitation of illumination unevenness, it is provided that a kind of EO-1 hyperion spoke out-degree, the lighting source having good uniformity.Additionally, adjustable in light source light angle, it is possible in a big way, simulate different light angles, it is adaptable to the measurement Research of target optical characteristic (such as directional reflectance ratio characteristic, surface polarization characteristic).
The present invention is achieved by the following technical solutions:
Indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research, it is characterized in that: include realizing illumination camera lens, mechanical adjusting mechanism and the multi-functional light source bracket of the regulation of hot spot characteristic, the illumination camera lens that can realize the regulation of hot spot characteristic installs regulation by mechanical adjusting mechanism on multi-functional light source bracket, it is collectively forming on the height of 3.2m, ground Uniform Illumination hot spot is up to 300mm, and spectrum spoke out-degree is more than 20 μ W.cm-2.nm-1, illumination uniformity is better than the luminous source system of 95%.
nullThe illumination camera lens that can realize the regulation of hot spot characteristic includes scalable lens barrel and is arranged on the lamp optical system in scalable lens barrel，Described lamp optical system includes SMD matrix LED illuminating source、The even mating plate of transmission-type、Transmission-type apochromatism illumination camera lens，The even mating plate of described transmission-type is arranged near SMD matrix LED illuminating source rear 5mm，Its rear is provided with transmission-type apochromatism illumination camera lens，And the even mating plate of transmission-type is positioned near the object focus of transmission-type apochromatism illumination camera lens，After the light beam that SMD matrix LED illuminating source sends first passes through the transmission-type even light of even mating plate，Illuminate in target through transmission-type apochromatism illumination camera lens again，The relative position of the even mating plate of transmission-type and transmission-type apochromatism illumination camera lens is regulated by rotating the regulation volution on scalable lens barrel，Realize illumination spot illumination size and illumination uniformity regulation.
The described each LED die in SMD matrix LED illuminating source is arranged on a circular latten brass substrate by array distribution, this pyrite substrate is arranged on a thick aluminium sheet and forms lighting source integral installation in lens barrel, it is milled with snakelike water-cooling groove on the thickest aluminium sheet, uses circulating water cooling system to realize the refrigeration to high-power matrix LED illuminating source.
SMD described matrix LED illuminating source, can configure the LED die of same centre wavelength as required and realize narrow-band illumination or configure the LED die of multiple different centre wavelength and realize multiband or broadband illumination.
The even mating plate of described transmission-type is any one in holographic diffusion plate, quartz wool glass or opal glass frosted glass plate.
The lens barrel that described transmission-type apochromatism illumination camera lens is arranged on adjustable mirror tube rear end is the most internal, the lens barrel body both sides of this part are provided with guiding draw-in groove, transmission-type apochromatism illumination camera lens guides card article clamping is arranged in draw-in groove lens barrel by being arranged on this is the most internal, lens barrel body outer surface and outside are provided with the closely-pitched external screw thread and screw thread volution cooperated, card article is driven to move up and down the mobile range of accommodation carrying out realizing transmission-type apochromatism illumination camera lens ± 25mm in guiding draw-in groove by turn regulation volution, described
The mechanical adjusting mechanism stated is a pair connection journal stirrup and is fixed on the switching adnexa connected on journal stirrup, connect journal stirrup and be provided with the pin hole of distribution in circular arc, pin hole is with 5 ° for interval, by pin is installed, illumination camera lens can be arranged in different pin holes, realizing different light angles, switching adnexa for being fixed on the cross bar of light source bracket by the illumination camera lens of different light angles simple, convenient, and reliablely.
Described multi-functional light source bracket includes can the principal arm of oscilaltion, principal arm uses double Vertical section bar to build, it is provided with bracing piece between double Vertical section bars, the stability of common guarantee support, reinforcement diagonal brace can be additionally provided with to ensure the rigidity of cross bar between principal arm and the cross bar of oscilaltion, can the adjustable height of principal arm of oscilaltion be 1.8-3.2m, it is ensured that the operability of the surface personnel that stands and the needs of differing heights illuminator level.Described principal arm is arranged above the cross bar that can realize sliding laterally, slide laterally the regulation that can realize illuminating brachium, i.e. realize the regulation of the position of ground hot spot, so ensure that object to be measured is in spot center all the time, need not move, one end of cross bar is provided with illumination camera lens by mechanical adjusting structure, the other end of cross bar be provided with balancing weight realize system gravity be distributed in light source bracket can the underface of principal arm of oscilaltion, balancing weight can be suspended on the cross bar other end by tightrope and hang close to ground in actual use, and apparent weight is different and increases and decreases；Described light source bracket can oscilaltion the bottom of principal arm of oscilaltion can be provided with square chassis, being uniformly provided with below square chassis can four castor moving of little scope, whole support can be promoted 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.
Advantages of the present invention:
This illuminator can provide the room lighting that top view and multiple angles regard down from of a relatively high height, simulation sunlight being more nearly and approximation, and there are some irreplaceable effects: have timely, on-the-spot, can by Artificial Control, the feature such as 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 is substantially stationary, so ensure that object to be measured is in center all the time, need not move；Apparatus of the present invention have EO-1 hyperion spoke 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 are effective.
Accompanying drawing explanation
Fig. 1 is the internal view of the light source cylinder of the present invention:
Wherein: A1 lower end volution, A2 lens barrel body, A3 card article, A4 regulation volution, A5 transmission-type apochromatism illumination camera lens, A6 upper end volution, the even mating plate of A7 transmission-type, SMD matrix LED illuminating source of A8, A9 water-cooling groove.
Fig. 2 is the illumination adjustments structural scheme of mechanism of the present invention:
Wherein: B1 illumination camera lens, B2 connect journal stirrup, B3 angle adjustment holes position, B4 section bar connection adnexa.
Fig. 3 is the total system schematic diagram of the present invention:
Wherein: C2 cross bar, C3 strengthen diagonal brace, C4 bracing piece, tetra-groove bars of C5, six handles of C6, C7 balancing weight, two montants of C8, C9 rectangular chassis framework, C10 castor.
Detailed description of the invention
As Figure 1-3, indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research, it is characterized in that: include realizing illumination camera lens, mechanical adjusting mechanism and the multi-functional light source bracket of the regulation of hot spot characteristic, the illumination camera lens that can realize the regulation of hot spot characteristic installs regulation by mechanical adjusting mechanism on multi-functional light source bracket, it is collectively forming on the height of 3.2m, ground Uniform Illumination hot spot is up to 300mm, and spectrum spoke out-degree is more than 20 μ W.cm-2.nm-1, illumination uniformity is better than the luminous source system of 95%.
nullAs shown in Figure 1，The illumination camera lens that can realize the regulation of hot spot characteristic includes scalable lens barrel and is arranged on the lamp optical system in scalable lens barrel，Described lamp optical system includes SMD matrix LED illuminating source A8、Transmission-type even mating plate A7、Transmission-type apochromatism illumination camera lens A5，Described transmission-type even mating plate A7 is arranged near SMD matrix LED A8 rear 5mm，Its rear is provided with transmission-type apochromatism illumination camera lens A5，And the even smooth A7 sheet of transmission-type is positioned near the object focus of transmission-type apochromatism illumination camera lens A5，After the light beam that SMD matrix LED A8 sends first passes through the transmission-type even mating plate even light of A7，Illuminate in target through transmission-type apochromatism illumination camera lens A5 again，The relative position of transmission-type even mating plate A7 and transmission-type apochromatism illumination camera lens A5 is regulated by rotating the regulation volution A4 on scalable lens barrel，Realize illumination spot illumination size and illumination uniformity regulation.
The described each LED die in SMD matrix LED A8 is arranged on a circular latten brass substrate by array distribution, this pyrite substrate is arranged on a thick aluminium sheet and forms lighting source integral installation in lens barrel, it is milled with snakelike water-cooling groove A9 on the thickest aluminium sheet, uses circulating water cooling system to realize the refrigeration to high-power matrix LED illuminating source.
SMD described matrix LED A8, can configure the LED die of same centre wavelength as required and realize narrow-band illumination or configure the LED die of multiple different centre wavelength and realize multiband or broadband illumination.
Described transmission-type even mating plate A7 is any one in holographic diffusion plate, quartz wool glass or opal glass frosted glass plate.
Described transmission-type apochromatism illumination camera lens is arranged in the lens barrel body A2 of adjustable mirror tube rear end, the lens barrel body A2 both sides of this part are provided with guiding draw-in groove, transmission-type apochromatism illumination camera lens A5 guides in the lens barrel body A2 that card article clamping A3 is arranged in draw-in groove by being arranged on, lens barrel body A2 outer surface and outside are provided with the closely-pitched external screw thread cooperated and screw thread volution A4, by turn regulation volution A4 drive card article A3 guide in draw-in groove move up and down carry out realizing transmission-type apochromatism illumination camera lens A5 ± the mobile range of accommodation of 25mm, owing to apochromatism illumination camera lens A5 is by card article A3 clamping, and card article A3 only moves in guiding draw-in groove, so regulation may only realize moving up and down of transmission-type apochromatism illumination camera lens A5, 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, the major function of lower end volution A1 and upper end volution A6 is to be directed to draw-in groove cover, make outside not light leak, transmission-type apochromatism illumination camera lens A5 can also be regulated by the cooperation of optics fine thread adjustment can be made finer as the regulation locked use of volution A4.
As shown in Figure 2, the described mechanical adjusting mechanism stated is a pair connection journal stirrup B2 and is fixed on the switching adnexa connected on journal stirrup, connection journal stirrup is provided with and is distributed pin hole in circular arc as angle adjustment holes position B3, pin hole is with 5 ° for interval, can be by illumination camera lens B1 be arranged in different pin holes by pin, realize different light angles simple, convenient, and reliablely and form the illumination camera lens of different light angles, switching adnexa is that section bar connects accessories B 4, for the illumination camera lens of different light angles is fixed on the cross bar C2 of light source bracket.
Being arranged on principal arm and can realize cross bar C2 length 3.5m slid laterally, sliding laterally on principal arm can realize illuminating the regulation of brachium, i.e. realizes the regulation of the position of ground hot spot, so ensures that object to be measured is in spot center all the time, need not move.
Described light source bracket the principal arm of oscilaltion can use double upright pole section bar to build, double upright pole section bars are four liftable groove bar C5, it is provided with bracing piece C4 between four liftable groove bar C5, the stability of common guarantee support, can the adjustable height of principal arm of oscilaltion be 1.8-3.2m, it is ensured that the operability of the surface personnel that stands and the needs of differing heights illuminator level.Reinforcement diagonal brace C3 can be additionally provided with to ensure the rigidity of cross bar between principal arm and the cross bar C2 of oscilaltion, the bottom of principal arm of oscilaltion can be provided with rectangular chassis framework C9, being uniformly provided with below square chassis can four castor C10 moving of little scope, whole support can be promoted in the movement on ground by castor, change the azimuth of light source incidence；System gravity acts on the center of square chassis C9 under balancing weight C7 coordinative role, and balancing weight can be suspended on the cross bar C2 other end by tightrope and hang close to ground in actual use, and apparent weight is different and increases and decreases.
Testing native system, present system provides high for 3.2m indoor top view, the EO-1 hyperion spoke out-degree Uniform Illumination light source of angle adjustable, device can drop to 1.8m height, and people ground of standing manually regulates light angle and facula position.That is on 3.2m height, can provide 90 ° ~ 40 ° of elevation angles homogenizes illumination, angle is spaced apart 5 °, ground can obtain diameter about 300mm, illumination uniformity is better than 95%, spectrum spoke out-degree is more than 20 μ W.cm-2.nm-1, uniform light spots close to 0.1 solar constant, manually regulating, hot spot can be in center, all the time without departing from target.If also needing to change incident orientation angle, can realize by moving integrally light source shelf.
In laboratory polarimetry water surface characteristic test, water wave facing to pond and manual simulation, observed by polarization camera, under top view and other different incidence angles degree, water surface solar flare effect under can shining with simulated solar irradiation, can observe the difference of target polarization information, uses polarizing method observation and resolve target under water surface solar flare background, in indoor low cost, initial polarization analysis research, play practical function.
Claims (9)
1. for the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source of target optical characteristic research, it is characterized in that: include realizing illumination camera lens, mechanical adjusting mechanism and the multi-functional light source bracket of the regulation of hot spot characteristic, the illumination camera lens that can realize the regulation of hot spot characteristic installs regulation by mechanical adjusting mechanism on multi-functional light source bracket, it is collectively forming on the height of 3.2m, ground Uniform Illumination hot spot is up to 300mm, and spectrum spoke out-degree is more than 20 μ W.cm-2.nm-1, illumination uniformity is better than the luminous source system of 95%.
null2. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 1，It is characterized in that: the illumination camera lens that can realize the regulation of hot spot characteristic includes scalable lens barrel and is arranged on the lamp optical system in scalable lens barrel，Described lamp optical system includes SMD matrix LED illuminating source、The even mating plate of transmission-type、Transmission-type apochromatism illumination camera lens，The even mating plate of described transmission-type is arranged near SMD matrix LED illuminating source rear 5mm，Its rear is provided with transmission-type apochromatism illumination camera lens，And the even mating plate of transmission-type is positioned near the object focus of transmission-type apochromatism illumination camera lens，After the light beam that SMD matrix LED illuminating source sends first passes through the transmission-type even light of even mating plate，Illuminate in target through transmission-type apochromatism illumination camera lens again，The relative position of the even mating plate of transmission-type and transmission-type apochromatism illumination camera lens is regulated by rotating the regulation volution on scalable lens barrel，Realize illumination spot illumination size and illumination uniformity regulation.
3. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 2, it is characterized in that: each LED die in described SMD matrix LED illuminating source is arranged on a circular latten brass substrate by array distribution, this pyrite substrate is arranged on a thick aluminium sheet and forms lighting source integral installation in scalable lens barrel front end, it is milled with snakelike water-cooling groove on the thickest aluminium sheet, uses circulating water cooling system to realize the refrigeration to high-power matrix LED illuminating source.
4. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 2, it is characterized in that: SMD described matrix LED illuminating source, the LED die of same centre wavelength can be configured as required and realize narrow-band illumination or configure the LED die of multiple different centre wavelength and realize multiband or broadband illumination.
5. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 2, it is characterised in that: the even mating plate of described transmission-type is any one in holographic diffusion plate, quartz wool glass or opal glass frosted glass plate.
6. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 2, it is characterized in that: the lens barrel that described transmission-type apochromatism illumination camera lens is arranged on adjustable mirror tube rear end is the most internal, the lens barrel body both sides of this part are provided with guiding draw-in groove, transmission-type apochromatism illumination camera lens guides card article clamping is arranged in draw-in groove lens barrel by being arranged on this is the most internal, lens barrel body outer surface and outside are provided with the closely-pitched external screw thread and screw thread volution cooperated, card article is driven to move up and down the mobile range of accommodation carrying out realizing transmission-type apochromatism illumination camera lens ± 25mm in guiding draw-in groove by turn regulation volution.
7. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 1, it is characterized in that: described mechanical adjusting mechanism is a pair connection journal stirrup and is fixed on the switching adnexa connected on journal stirrup, connect journal stirrup and be provided with the pin hole of distribution in circular arc, pin hole is with 5 ° for interval, by pin is installed, illumination camera lens can be arranged in different pin holes, forming the illumination camera lens of different light angles, switching adnexa for being fixed on the cross bar of light source bracket by the illumination camera lens of different light angles.
8. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 1, it is characterized in that: described multi-functional light source bracket includes can the principal arm of oscilaltion, described principal arm is arranged above the cross bar that can realize sliding laterally, one end of cross bar is provided with illumination camera lens by mechanical adjusting structure, the other end of cross bar be provided with balancing weight realize system gravity be distributed in light source bracket can the underface of principal arm of oscilaltion.
9. the indoor EO-1 hyperion spoke out-degree Uniform Illumination light source for target optical characteristic research as claimed in claim 8, it is characterized in that: described light source bracket can the principal arm adjustable height of oscilaltion be 1.8-3.2m, double Vertical section bar is used to build, it is provided with bracing piece between double Vertical section bars, reinforcement diagonal brace can be additionally provided with between principal arm and the cross bar of oscilaltion, the bottom of principal arm of oscilaltion can be provided with square chassis, below square chassis, be provided with uniform four castors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477708.5A CN105927937A (en) | 2016-06-24 | 2016-06-24 | Indoor hyperspectral radiation exitance uniform illumination light source for target optical characteristic research |
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| CN201610477708.5A CN105927937A (en) | 2016-06-24 | 2016-06-24 | Indoor hyperspectral radiation exitance uniform illumination light source for target optical characteristic research |
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Application publication date: 20160907 |
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