Requirements for eye protection lights
The State Administration for Market Supervision and Quality Supervision and the my country Federation of Fine Management have approved the publication of the "Hygiene Requirements for the Design and Installation of General Classroom Lighting in Primary and Secondary Schools" (GB/T36876-2018). Detailed requirements have been developed for the surface light intensity and the sanitary requirements for the installation of the design plan:
1. Suspension type grille lamp panel should be used, and the high efficiency of the lighting fixture should not be less than 60%.
2. The uniform light value (UGR) is not suitable to exceed 19.
3. The color temperature of LED should be 3300K～5500K, and the color rendering should be no less than 80.
4. Keep the average light intensity on the desk of the classroom not less than 300lx, and the light intensity uniformity is not less than 0.7; the classroom blackboard surface maintains the average light intensity not less than 500lx, and the light intensity uniformity is not less than 0.8.
5. Choose the screw rod installation method, and arrange it according to the vertical direction of the classroom (the short axis of the lighting fixture vertically bisects the classroom blackboard). The power of the classroom lighting fixture should not be higher than 11W/㎡, and the standard area should be less than 9W/㎡. The safety distance (g) between the lighting fixtures and the desks and chairs shall not be less than 1700Mm.
6. When the lighting design measures the light intensity, the maintenance factor should be 0.8.
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