A street, I saw most of teenagers are glasses, in which there are many reasons, some may be do not pay attention to when reading a book, or watching TV too much, there are part of the reason may be the result of classroom led
lighting is bad.
As students are in the classroom, most of the time every day to the blackboard to the textbooks, if the classroom lighting effect is not good, it will directly affect the quality of student learning and vision.
Now let to know about the classroom lights should be accord with what standard?
The classroom is a place for the students to read, directly affect the students' vision.
Relevant national standards and norms of the state of the classroom, all the classroom should be set up manually.
The classroom in the layout, type and achieve illumination, etc also have a clear standard.
The classroom should accord with energy conservation and environmental protection requirements, usually 40 watts per classroom should be equipped with fluorescent lamp above 9, which the board 2 light;
In order to prevent glare, lamps and lanterns of the classroom should be equipped with a chimney, unfavorable use naked light, the lamps and lanterns hanging from the desk surface height not less than 1.
Seven meters, tube arrangement using long axis perpendicular to the blackboard.
According to the research on the international show that the intensity of illumination in 10 ~ 1000 lx range, intensity of illumination eyestrain is smaller, the greater the 200 lx illumination is the turning point of visual function change speed.
Provisions of the classroom in our country, the desks to the average illuminance should not be less than 300 lx, intensity of illumination uniformity should not be lower than 0.
7.
The board should not be lower than the average illuminance on the 500 lx, intensity of illumination uniformity should not be lower than 0.
8.
The 3300 k - device type, it is suggested that classroom
5500 k color temperature of light source, light source color rendering index should not be less than 80, the appropriate USES energy-saving inductance ballasts, or electronic ballast.
Production of the classroom lights meet the national standards and norms of the state of the classroom, and have the following characteristics: 1, the lamp is made of high quality aluminum alloy, anti-rust better, not easy to change color, panel using premium grade material, professional processing and processing, good pervious to light.
2, cabinet and light the lamp body, save a space already, and guarantee the illuminated area, have contemporary feeling at the same time.
3, the assembly parts easy to remove, do not contain harmful substances, low loss, low energy.
More than 4, the life can reach 100000 hours for the average classroom is once and for all.
5, no stroboscopic chip is made of high quality, high-tech production of chimney make the light more moderate.
6, fully sealed design, can effectively prevent the mosquito dust, easy to maintenance.
7, built-in high-performance electronic ballast, energy saving, no stroboscopic, no noise, long service life.
8, with high quality and diffusion of light guide plate plate, high color restore physical character, light transmittance as high as 96%, color soft bright light.
We are a performance driven culture that uses
led pendant lights to ensure continuous improvement.
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