Hygienic standard for lighting in classrooms of primary and secondary schools
In order to improve the teaching effect, protect students' eyesight, improve the lighting and lighting conditions in the classroom, and make children and adolescents grow up healthily, this standard is formulated. This standard is applicable to ordinary primary and secondary schools, secondary normal schools and pre-school normal schools newly built, rebuilt and expanded in cities, counties and towns.
Classroom daylighting standard
The orientation of school classrooms should be determined according to the geography and begging situation of each region, and the east-west direction should not be adopted, but the north-south two-way lighting should be adopted. The classroom adopts unilateral lighting, and the light should enter from the left side of the student seat. When the south corridor is in the north of the classroom, the north window should be the main lighting surface. 1.2 classroom objectives
1.3 is the lowest surface daylighting coefficient?
1.4 should be lower than 1. 5%, the classroom glass floor area ratio is not 1.5, should it be lower?
1.6 in 1: 6. In foggy areas (such as Chongqing). ), the daylighting coefficient of the surface of class objective 1.7 should be less than 2%.
1.9 prevent direct glare from windows.
1. 10 Curtains should be set in the classroom to avoid direct sunlight. In order to prevent the reflection glare of the blackboard
1. 1 1 Its surface shall be made of wear-resistant and dull materials. 1. 12 In order to improve the lighting effect of the classroom,
1. 13 The interior surface should be decorated with high brightness and low excavation.
1. 14 The reflection coefficient values of each surface of the room shall be selected according to the provisions of table 1.