Nowadays, with the constant rise of mobile computer, more and more students myopia, if go to school as long as you turn around, see most of the students are all glasses, is not only lead to these reasons, it is also possible that the school is not good, students are learning in the classroom, most of the time if the
light is bad, can affect vision, so if we improve the classroom?
Now as to find out together!
Preferred configured the classroom light, every place of the classroom size is different, our school purchase tubes, must let suppliers to the on-the-spot investigation, because they are professional, field trips, to better configure a classroom how to install the lamp, can meet the requirements of national standard for classroom.
Secondly we choose lamps and lanterns should choose long life, good lighting, anti glare, light source, variety, now LED lamp is now a better choice.
It is in line with our requirement for the classroom, no stroboscopic, no glare, illuminance good
led lighting.
Is the good choice of the classroom.
Also is the requirement of the blackboard lamp, we are all students, used to sit on the side can't see the blackboard, because she had not installed the blackboard lamp and reflection, so the blackboard lamp is installed, may also affect students' vision.
The good classroom design should meet the following criteria: 1, the classroom should be according to the manual.
2, maintain classroom desks surface average illuminance value should not be less than 300 lx, the intensity of illumination uniformity should not be lower than 0.
7.
3, the classroom blackboard should establish local lamp, for its average illuminance should not be less than 500 lx, intensity of illumination uniformity should not be lower than 0.
8.
4, the appropriate USES 3300 ~ 5500 k color temperature of light source, light source color rendering index should not be less than 80.
5, the classroom unified glare value (
UGR)
Should not be greater than 19.
6, in maintaining the average illuminance value under the condition of 300 lx, classroom power density current value should not be greater than 11 w / ㎡, the target should be 9 w / ㎡.
7, design to calculate the intensity of illumination, the maintenance department effect from 0.
8.
Therefore, in order to effectively avoid the effect of school vision to the student, the school should use professional eye LED lamps and lanterns of the classroom, and have professional and technical personnel to be responsible for the installation, to ensure that the classroom light and blackboard light of each index can meet the requirements of qualified, ensure that every classroom light environment not only sufficient illumination and uniformity is excellent, at the same time to minimise glare, no direct light into the eyes of the students.
At the same time, adjust the position of lamps and lanterns is in the classroom, try to avoid the classroom in the light of superposition and corner light, really provide students with healthy, comfortable, light green classroom environment.
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