Eye protection blackboard lamp manufacturer: what does the blackboard eye protection lamp meet
What should the blackboard eye protection lamp meet. In classroom lighting, blackboard lighting is an important lighting, and blackboard undertakes the important task of transmitting knowledge points. The utilization rate of blackboard lighting in our classroom and that of students is very high.
1. The blackboard is the focus of students' attention. It requires high straight illuminance and needs to meet the national standard value ≥ 500lux.
2. Because the blackboard is an area to show knowledge, the more evenly the light is scattered, the more comfortable the visual feeling is, and the uniformity of illumination is ≥ 0.8.
3. Reflected glare and direct glare are very simple problems in blackboard lighting. In order to reduce the glare in blackboard lighting, the following three conditions need to be met. Blackboard illumination: the reflected light through the blackboard surface does not enter the students' eyes; The light source of blackboard illumination does not directly enter students' eyes; The teacher will not feel the dazzling illumination of the blackboard.
4. In order to avoid reflection glare, direct glare and other problems, the device orientation and viewpoint of blackboard lamp need to be planned.
5. In order to facilitate the light of the blackboard to change according to different teaching environments, it is suggested that the blackboard lighting should be controlled separately.
6. In addition to meeting the above points, excellent blackboard lamps play an important role. Chengcai lighting full eye protection blackboard lamp adopts optical lens patent planning, adjusts the light output path, reduces glare and is not dazzling, so as to achieve a good lighting effect of the blackboard.
Article from: eye protection blackboard lamp manufacturer www.enborland.com
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Eye protection blackboard lamp manufacturer: what does the blackboard eye protection lamp meet
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