Problems in China's classroom lighting
Students spend most of their time on campus, especially primary and middle school students whose eyesight are in the growth and development period. They have long been anxious and uneasy learning and training under the lighting effect standard that does not meet the prescribed lighting effect standards, and they bear intolerable environmental pollution. , Resulting in a widespread decrease in eye vision.
And most of the classroom lighting fixtures in China have the following 6 common problems:
1. A wide range of classrooms use high color temperature 6500K fluorescent lamps. Because the light source is too purple, it is very easy to cause excitement and fatigue of students.
2. Fluorescent tube fixtures are generally equipped with electronic ballasts, which have a relatively serious light strobe effect. The student visual recognition system will often automatically adjust to integrate the strobe transition, which is very easy to cause visual fatigue;
3. The color rendering is too low. Fluorescent tubes are used in most classrooms, and the color rendering is around 70, which causes the color to be out of frame. Especially in technical professional classrooms such as arts and crafts, organic chemistry, microbiology, etc., it immediately jeopardizes students' proper identification of the color of objects;
4. The exposed fluorescent lamp, the light source illuminates the students' eyes, which is very easy to cause glare, which distracts the students' concentration, thereby reducing the learning effect, causing the visual effect to be overwhelming, and it is very easy to cause myopia;
5. There are no special classroom blackboard lighting fixtures, and most of the classrooms and indoor spaces use fluorescent tubes. The average light intensity of the classroom blackboard is extremely low, causing students to fail to see the content on the classroom blackboard;
6. The light intensity and light intensity uniformity of the desks and chairs are widely lower than the national industry standards. The long-term learning and training of students in the natural environment of low light intensity and uneven lighting can easily cause visual fatigue;
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