Design of LED Array Light Source and Collimating Optical System for Mobile Solar Simulator

Shi Su; Yiwen Wang; Guoyu Zhang; Yu Zhang; Jian Zhang; Gaofei Sun; Shi Liu

doi:10.3788/AOS201939.0808001

Acta Optica Sinica, Volume. 39, Issue 8, 0808001(2019)

Design of LED Array Light Source and Collimating Optical System for Mobile Solar Simulator

Shi Su^1,2,3、*, Yiwen Wang¹, Guoyu Zhang^1,2,3, Yu Zhang⁴, Jian Zhang^1,2,3, Gaofei Sun^1,2,3, and Shi Liu^1,2,3

Author Affiliations

¹ College of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China

² Optoelectronic Measurement and Control Instrumentation, Jilin Provincial Engineering Research Center, Changchun, Jinlin 130022, China

³ Key Laboratory of Optoelectric Measurement and Optical Information Transmission Technology of the Ministry of Education, Changchun, Jilin 130022, China

⁴ Beijing Institute of Control Engineering, Beijing 100080, China

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Figures & Tables(11)

Fig. 1. Composition and working principle of mobile solar simulator

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Fig. 2. Structure of LED light source module

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Fig. 3. Radiation distribution of LED with 14.4 mm spacing

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Fig. 4. Optical path of light passing through cylindrical lens

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Fig. 5. Structure of collimating optical system

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Fig. 6. Simulation results of optical system. (a) Irradiation distribution of receiving surface when incident angle is 13°; (b) irradiation distribution of receiving surface when incident angle is 0°; (c) irradiation distribution of receiving surface when incident angle is 38°

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Fig. 7. Diagram of emergence angle test

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Table 1. Parameters of collimating optical system
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Table 1. Parameters of collimating optical system
Refractive index of cylindrical lens Bottom radius of cylindrical lens /mm Height of cylindrical lens /mm Focus /mm Aperture angle /(°) Field /(mm×mm)
1.516 14.93 62 21.93 50 1×47.2

Table 2. Test results of non-uniformity for simulated radiation surface
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Table 2. Test results of non-uniformity for simulated radiation surface
Incident angle /(°) Maximal incidence /(W·m^-2) Minimal incidence /(W·m^-2) Non-uniformity /%
-13 788.89 721.92 4.4
0 815.48 746.53 4.4
38 615.59 565.02 4.3

Table 3. Measurement results of irradiance under three special incident angles
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Table 3. Measurement results of irradiance under three special incident angles
Incidence angle /(°) Irradiance /(W·m^-2)
Point1 Point2 Point3 Point4 Point5
-13 482 511 551 525 489
0 497 530 564 540 506
38 388 414 450 424 393

Table 4. Test results of irradiation non-uniformity for three incident angles
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Table 4. Test results of irradiation non-uniformity for three incident angles
Incident angle /(°) Maximal incidence /(W·m^-2) Minimal incidence /(W·m^-2) Non-uniformity /%
-13 549 481 ±6.1
0 563 495 ±5.6
38 452 389 ±7.3

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Shi Su, Yiwen Wang, Guoyu Zhang, Yu Zhang, Jian Zhang, Gaofei Sun, Shi Liu. Design of LED Array Light Source and Collimating Optical System for Mobile Solar Simulator[J]. Acta Optica Sinica, 2019, 39(8): 0808001

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