Combined Sunlight and Occupancy Dynamic Lighting System Design in Offices

Table 1. Office area attributes
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Table 1. Office area attributes
Parameter Description Value
Length 5.0 m
Office space Width 8.0 m
Height 3.4 m
Window Height 1.8 m
Width 1.5 m
Lamp Installation height 3.1 m
θ 3600 lm
P 32.5 W
T_c 5000 K
Number 6
Desk Length 2.0 m
Width 1.6 m
Height 1.0 m

Table 2. Sunlight illuminance distribution of each test point
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Table 2. Sunlight illuminance distribution of each test point
Time
Date
12：00-13：00
2022-07-08
Test point
Value /lx
Test point
Value /lx
F1 F2 F3
939 685 581
F4 F5 F6
829 673 572

Table 3. Luminance components of lamps at test points F1 and F3 during daytime
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Table 3. Luminance components of lamps at test points F1 and F3 during daytime
Lamp test Q1 Q2 Q3 Q4 Q5 Q6
F1 709 513 442 504 460 440
F2 237 479 253 211 259 216
F3 127 191 432 126 146 197
F4 415 381 363 642 438 364
F5 191 227 195 217 468 235
F6 119 138 177 120 184 425

Table 4. Luminance distribution of test points at night
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Table 4. Luminance distribution of test points at night
Time
Date
20：00-21：00
2022-07-08
Test point F1 F2 F3
Value /lx 518 571 538
Test point F4 F5 F6
Value /lx 516 561 534

Table 5. Luminance distribution of lamps at each test point at night
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Table 5. Luminance distribution of lamps at each test point at night
Lamp test Q 1 Q2 Q3 Q4 Q5 Q6
F1 275 86 18 21 25 17
F2 90 271 83 27 17 28
F3 18 84 280 15 27 23
F4 21 26 15 279 85 18
F5 31 17 27 93 275 86
F6 15 28 23 18 88 285
Total 450 512 446 453 517 457

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Xinjing Qin, Zhisheng Wang, Manqun Zhang, Yue Feng, Songhai Xu. Combined Sunlight and Occupancy Dynamic Lighting System Design in Offices[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1522003

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