Infrared and Laser Engineering, Volume. 49, Issue 5, 20190454(2020)
Design of focal plane assembly of linear array and area array detector based on one substrate of space remote sensor
Figures & Tables(17)
Fig. 2. Structure layout of focal plane component(circuit board removed)
Fig. 8. Spigot lap schematic diagram of CCD control box and wedge block
Fig. 12. Parallelism and colinearity test date of focal plane component
Fig. 14. Temperature cycle test with high and low temperature of focal plane component
Table 1. Sine vibration test condition of the focal plane component
View tableView in ArticleTable 1. Sine vibration test condition of the focal plane component
Direction x y z Parameters Frequency/Hz Magnitude Frequency/Hz Magnitude Frequency/Hz Magnitude 5-18 5.36 mm(O-P) 5-20 6.21 mm(O-P) 5-15 6.62 mm(O-P) 18-80 7 g 20-60 10 g 15-60 6 g 80-100 10 g 60-100 8 g 60-100 10 g Scan frequency 2 oct/min
Table 2. Random vibration test condition of the focal plane component
View tableView in ArticleTable 2. Random vibration test condition of the focal plane component
Direction x y z Parameters Frequency/Hz Magnitude Frequency/Hz Magnitude Frequency/Hz Magnitude 20-100 +6 dB/oct 20-100 +6 dB/oct 20-100 +6 dB/oct 100-240 0.06 g2/Hz 100-200 0.07 g2/Hz 100-180 0.06 g2/Hz 240-360 0.03 g2/Hz 200-330 0.03 g2/Hz 180-320 0.03 g2/Hz 360-500 0.06 g2/Hz 330-500 0.07 g2/Hz 320-500 0.06 g2/Hz 500-2 000 −12 dB/oct 500-2 000 −12 dB/oct 500-800 −12 dB/oct 250-300 1e-5 g2/Hz 250-300 1e-5 g2/Hz 800-1 000 0.001 g2/Hz 1000-2 000 −12 dB/oct 200-280 1e-5 g2/Hz Total rms acceleration/grms 5.52 g 5.93 g 4.93 g Testing time/min 2
Table 3. High and low temperature cycle test condition of the focal plane component
View tableView in ArticleTable 3. High and low temperature cycle test condition of the focal plane component
Parameter Test conditions Note Temperature range −40−+75 ℃ Rate of temperature range ≥5 ℃/min Temperature tolerance High temperature 0−+4 ℃ Low temperature −4−0 ℃ Cycle index 2.5 One cycle：4 h，including 1.5 h staying at high temperature，2 h staying at low temperature
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Kejun Wang, Jihong Dong, Wei Li, Xiaoyu Wang, Pingwei Zhou, Ping Jiang. Design of focal plane assembly of linear array and area array detector based on one substrate of space remote sensor[J]. Infrared and Laser Engineering, 2020, 49(5): 20190454
Paper Information
Category: Deep space exploration technology
Received: Feb. 1, 2020
Accepted: --
Published Online: Aug. 17, 2020
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