The standard of eye protection in classroom
To build an excellent classroom eye-protection lighting, the following aspects must be ensured:
1. Vertical light intensity The classroom blackboard is the concentration point of students' concentration. It must have a higher vertical light intensity, CE ROHS certification, and industrial plant lighting fixtures, which need to reach my country's index value ≥ 500 lux.
2. Uniformity of light intensity Because the blackboard in the classroom is the key area for displaying professional knowledge, the more uniform the light source is distributed, the more comfortable the visual effect will be, and the uniformity of light intensity is ≥0.8.
3. Glare Glare on reflective surfaces and irradiated glare is a very easy problem in classroom eye protection lamps. In order to better eliminate the glare hazard in the eye protection lamp in the classroom, the LED downlight must meet the following 3 standards. According to the refracted light from the blackboard surface of the classroom, the eye protection lamp in the classroom does not enter the eyes of the students; the light source of the eye protection lamp in the classroom does not directly enter the eyes of the students; the teacher does not find the eye protection lamp in the classroom to be dazzling.
4. Effective lighting design In order to better prevent the occurrence of glare and glare on the reflecting surface, the installation position and angle of view of Hengguang household appliances and blackboard lights need to carry out technical and professional lighting design. The following is the construction plan of blackboard lights.
5. Independent automatic switch In order to better enable the light source of the classroom blackboard to change according to different lecture environments, it is proposed that the eye protection lights in the classroom should be switched on and off independently.
6. High-quality classroom eye-protection lamps In addition to the above aspects, high-quality blackboard lamps have vital functions. Do the above aspects, effectively carry out lighting design, select high-quality classroom eye protection, lighting plan, commercial service lighting equipment, may prevent classroom blackboards from being "black", industry information, comprehensive maintenance of students Eyes.
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