CN206775785U - A kind of device of simulated solar visible spectrum - Google Patents

A kind of device of simulated solar visible spectrum Download PDF

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Publication number
CN206775785U
CN206775785U CN201720541849.9U CN201720541849U CN206775785U CN 206775785 U CN206775785 U CN 206775785U CN 201720541849 U CN201720541849 U CN 201720541849U CN 206775785 U CN206775785 U CN 206775785U
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CN
China
Prior art keywords
micro
led
nano
guiding film
light guiding
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Expired - Fee Related
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CN201720541849.9U
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Chinese (zh)
Inventor
王磊
沈明荣
周望
雷新卓
陈育东
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Suzhou University
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Suzhou University
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Abstract

The utility model discloses a kind of device of simulated solar visible spectrum, including box frame, reflection shield, LED array, LED driving modules and micro-nano light guiding film, LED array includes plural groups LED light source in parallel, the evenly spaced surrounding side for being arranged on box frame of LED light source, LED array is connected with LED driving modules, micro-nano light guiding film is in the box frame, its surrounding side is brought into close contact with LED, and micro-nano light guiding film includes reflecting layer, nano impression site layer and optical waveguide layer successively from lower to upper.The different of spectral signature matching degree require when the utility model meets that different field is applied using LED and its structure of driving module and micro-nano light guiding film simulated solar irradiation Radiation Characteristics, optical system can be greatly simplified, the manufacturing cost of solar simulator is effectively reduced, long lifespan, light efficiency are high, green.

Description

A kind of device of simulated solar visible spectrum
Technical field
A kind of device of simulated solar visible spectrum is the utility model is related to, belongs to sun visible analog technical field.
Background technology
Solar spectrum simulator is experiment and the test equipment of simulated solar irradiation Radiation Characteristics, using solar simulator, Nature sunshine can be simulated indoors, can obtain stabilization, controllable simulated solar irradiation, be widely used to the space of spacecraft The fields such as environmental simulation test, the detection of solar cell and demarcation, the degradation of engineering material, Bioexperiment.
For a long time, the xenon lamp principal light source as solar simulator always.Although xenon lamp has high brightness, is easy to adjust Section, spatial distribution are close to advantages such as solar spectrums, but Spectral matching precision is low, system architecture is complicated, expensive and use the longevity Order the defects of limited.With novel solid illumination component LED extensive use, have many advantages, such as compared with conventional light source, such as Long lifespan, luminous efficiency height, stabilized intensity, controllable precise, start the time is short and spectrogram is complete etc..Driven by program control each group LED Streaming current, it is convenient to adjust the intensity and wavelength of output light, meet the needs of spectrum matching degree during different field application；Use LED uniformly light-emittings area source replaces xenon lamp, can also greatly simplify optical system, effectively reduces being manufactured into for solar simulator This.
In view of this, a kind of device of simulated solar visible spectrum is developed, solves drawbacks described above, it is clear that be necessary.
The content of the invention
The purpose of this utility model is to provide a kind of device of simulated solar visible spectrum.
To achieve the above object of the invention, the technical solution adopted in the utility model is：A kind of simulated solar visible spectrum Device, including box frame, reflection shield, LED array, LED driving module and micro-nano light guiding film,
The LED array includes plural groups LED light source in parallel, and the LED light source is evenly spaced to be arranged on casing frame The surrounding side of frame, the LED array are connected with LED driving modules,
For the micro-nano light guiding film in the box frame, the surrounding side of the micro-nano light guiding film and LED light source are tight Closely connected conjunction, the micro-nano light guiding film include reflecting layer, nano impression site layer and optical waveguide layer, the nanometer pressure successively from lower to upper Printed network point layer includes at least four concentric rectangles structures, and the rectangular configuration includes the reflection knot of a plurality of cross section semicirculars in shape Structure, the surrounding side of the micro-nano light guiding film are equipped with a plurality of micro-structurals beneficial to spot light diffusion, and the micro-structural is in three It is angular,
The reflection shield is located at the outside of box frame surrounding.
Preferably, the interval between the adjacent micro-structural is equal.
Preferably, the micro-structural is oblique, for eliminating side firefly phenomenon.
Preferably, radius increases the catoptric arrangement of the adjacent concentric rectangles structure successively from outside to inside.
Preferably, the LED drive module includes the Zooming light modulation circuit that singlechip chip and its auxiliary device drive, and leads to Cross multichannel independent control and adjust LED light source emission spectrum in real time.
Above-mentioned control circuit realizes 0~100% light modulation by using stepless dimming mode, according to LED drive current and light Corresponding relation control circuit between spectrum.
In the utility model, LED array is composed in parallel by multigroup LED circuit, by adjusting the output intensity per road and leading to The light-mixing element crossed in micro-nano light guiding film, realize the simulation of solar spectrum.
In the utility model, LED light source and micro-nano light guiding film can provide the area source with excellent homogeneity.
In the utility model, LED array and micro-nano light guiding film are coupling in one by four sides of box frame by aluminum strip Rise.
In the utility model, catoptric arrangement is hemispherical, and same rectangular configuration is reflected by a plurality of radius identicals to be tied Structure is formed.
In the utility model, four side walls of micro-nano light guiding film, the outer surface of each side wall sets a plurality of be parallel to each other Micro-structural, micro-structural is horizontal by certain angle.
In the utility model, reflection shield is used to the light of LED light source being reflected back in casing.
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：The utility model Spectrum when meeting that different field is applied using LED and its structure of driving module and micro-nano light guiding film simulated solar irradiation Radiation Characteristics The different requirements of characteristic matching degree, can greatly simplify optical system, effectively reduce the manufacturing cost of solar simulator, life-span Length, light efficiency are high, green.
Brief description of the drawings
Fig. 1 is section of structure of the present utility model.
Fig. 2 is the overlooking the structure diagram of the nano impression site layer of micro-nano light guiding film of the present utility model.
Fig. 3 is the structural representation of a side of micro-nano light guiding film of the present utility model.
Fig. 4 is overlooking structure figure of the present utility model.
Wherein：1st, reflection shield；2nd, LED light source；3rd, optical waveguide layer；4th, nano impression site layer；5th, reflecting layer；6th, reflection knot Structure；7th, micro-structural.
Embodiment
The technical solution of the utility model will be clearly and completely described by embodiment below.Obviously, Described embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.It is new based on this practicality Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belong to the scope of the utility model protection.
Embodiment one：Referring to shown in Fig. 1, Fig. 4, a kind of device of simulated solar visible spectrum, including it is box frame, reflective Cover 1, LED array, LED driving modules and micro-nano light guiding film,
LED array includes plural groups LED light source 2 in parallel, the evenly spaced surrounding for being arranged on box frame of LED light source Side, the LED array are connected with LED driving modules,
In the box frame, surrounding side and the LED light source 2 of micro-nano light guiding film are brought into close contact micro-nano light guiding film, Referring to shown in Fig. 1, Fig. 2, the micro-nano light guiding film includes reflecting layer 5, nano impression site layer 4 and optical waveguide layer successively from lower to upper 3, nano impression site layer includes at least four concentric rectangles structures, and the rectangular configuration includes a plurality of cross section semicirculars in shape Catoptric arrangement 6, shown in Figure 3, the surrounding side of the micro-nano light guiding film is equipped with a plurality of beneficial to spot light diffusion Micro-structural 7, the micro-structural is triangular in shape,
The reflection shield is located at the outside of box frame surrounding.
In the present embodiment, the interval between the adjacent micro-structural 7 is equal.
In the present embodiment, the micro-structural 7 is oblique, for eliminating side firefly phenomenon.
In the present embodiment, radius increases the catoptric arrangement of the adjacent concentric rectangles structure successively from outside to inside.
In the present embodiment, the LED drive module includes the stepless-adjustment photoelectricity that singlechip chip and its auxiliary device drive Road, LED light source emission spectrum is adjusted by multichannel independent control in real time.
Above-mentioned control circuit realizes 0~100% light modulation by using stepless dimming mode, according to LED drive current and light Corresponding relation control circuit between spectrum.
In the utility model, LED array is composed in parallel by multigroup LED circuit, by adjusting the output intensity per road and leading to The light-mixing element crossed in micro-nano light guiding film, realize the simulation of solar spectrum.
In the utility model, LED light source and micro-nano light guiding film can provide the area source with excellent homogeneity.
In the utility model, LED array and micro-nano light guiding film are coupling in one by four sides of box frame by aluminum strip Rise.
In one embodiment, light guiding film has Lenti micro-structurals using side（Spread beneficial to spot light）PMMA acrylic materials Material, bottom micro-nano site gap 0.2mm, micro-nano site radius 0.3mm, filling rate are set as 39%.LED driving rice uses base soon In the PWM Zooming light modulation circuits of ATMEGA16 chips, realize that LED multi-path constant pressure adjusts brightness by IR2104 chips.LED battle arrays Row use 20 groups of spectrum crest uniform intervals 20nm LED light source, the drive module LED battle array different to micro-nano light guiding film incident side Row are with the different LED operation electric current of program control output.
On the basis of the utility model is through the comparison to different LED luminescent spectrums and solar spectrum, analysis and research, using long-range navigation Hereby distribution function and Gauss curve fitting algorithm etc. dim electricity to be fitted visible solar spectrum, then by single-chip microcomputer and its auxiliary device driving The spectral intensity and wavelength that road regulation side LED array is sent, most conduct to apparatus surface through optics light guiding film, realize equal afterwards It is uniform program control luminous.In the range of 100-1000W/m2 natural lightings, the invention and the matching degree of sun visible spectrum reach 90%.The present apparatus uses multigroup stepless dimming pattern, has the spies such as spectral simulation precision is high and light intensity output adjustable range is wide Point.

Claims (5)

  1. A kind of 1. device of simulated solar visible spectrum, it is characterised in that：Driven including box frame, reflection shield, LED array, LED Dynamic model group and micro-nano light guiding film,
    The LED array includes plural groups LED light source in parallel, and the LED light source is evenly spaced to be arranged on box frame Surrounding side, the LED array are connected with LED driving modules,
    The micro-nano light guiding film in the box frame, with LED light source closely paste by the surrounding side of the micro-nano light guiding film Close, the micro-nano light guiding film includes reflecting layer, nano impression site layer and optical waveguide layer, the nano impression net successively from lower to upper Point layer includes at least four concentric rectangles structures, and the rectangular configuration includes the catoptric arrangement of a plurality of cross section semicirculars in shape, The surrounding side of the micro-nano light guiding film is equipped with a plurality of micro-structurals beneficial to spot light diffusion, and the micro-structural is in triangle Shape,
    The reflection shield is located at the outside of box frame surrounding.
  2. 2. the device of simulated solar visible spectrum according to claim 1, it is characterised in that：Between the adjacent micro-structural Interval it is equal.
  3. 3. the device of simulated solar visible spectrum according to claim 1, it is characterised in that：The micro-structural is inclined Shape, for eliminating side firefly phenomenon.
  4. 4. the device of simulated solar visible spectrum according to claim 1, it is characterised in that：The adjacent concentric rectangles knot Radius increases the catoptric arrangement of structure successively from outside to inside.
  5. 5. the device of simulated solar visible spectrum according to claim 1, it is characterised in that：The LED drive module bag Singlechip chip and its Zooming light modulation circuit of auxiliary device driving are included, adjusting LED light source in real time by multichannel independent control sends out Penetrate spectrum.
CN201720541849.9U 2017-05-16 2017-05-16 A kind of device of simulated solar visible spectrum Expired - Fee Related CN206775785U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720541849.9U CN206775785U (en) 2017-05-16 2017-05-16 A kind of device of simulated solar visible spectrum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720541849.9U CN206775785U (en) 2017-05-16 2017-05-16 A kind of device of simulated solar visible spectrum

Publications (1)

Publication Number Publication Date
CN206775785U true CN206775785U (en) 2017-12-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720541849.9U Expired - Fee Related CN206775785U (en) 2017-05-16 2017-05-16 A kind of device of simulated solar visible spectrum

Country Status (1)

Country Link
CN (1) CN206775785U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171219

Termination date: 20200516

CF01 Termination of patent right due to non-payment of annual fee