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At present, the myopia rate of teenagers is very high. On the one hand, the use time of electronic products is too long at ordinary times. On the other hand, the lighting in the classroom of the school is not up to the standard. Learning in this bad light environment for a long time causes visual fatigue and vision loss.
When the fluorescent lamp was first installed, the light was dazzling, but the overall feeling was very dim and the light was uneven. And the fluorescent lamp has white light and more blue light components, which is harmful to blue light; The longer the lamp is turned on, the greater the attenuation of phosphor in the light source. After the lamp is used for a long time, both ends of the lamp become black, and the stroboscopic is also serious. When reading and writing in such an environment for a long time, the visual system is adjusted frequently, which is easy to cause dizziness, dizziness and even myopia.
According to the National Hygienic Standard for Lighting and Lighting in Primary and Secondary School Classrooms (GB7793-2010) and Hygienic Requirements for Lighting Design and Installation of General Classrooms in Primary and Secondary Schools (GB/T 36876-2018), classroom lighting shall meet the following conditions:
1. The average illumination of the classroom desktop shall be ≥ 300lx, and the illumination uniformity shall be ≥ 0.7.
2. The average illumination maintained on the blackboard surface is ≥ 500lx, and the illumination uniformity is ≥ 0.8.
3. The classroom should use a light source with a color temperature of 3300-5500K, and the color rendering index of the light source should be ≥ 80.
4. The uniform glare value of the classroom is ≤ 19.
5. The current value of classroom lighting power density is<11W/㎡, and the target value should be 7W/㎡.
6. The suspender installation method is adopted. The parallel distance between the lamp and the blackboard is d=700mm-1000mm, and the vertical distance from the upper edge of the blackboard is h=100mm-200mm. The direct glare of the blackboard lamp on the teacher can be avoided by adjusting the lighting angle of the lamp.
7. The dimming system is controlled by multiple circuits. Each lamp in the first horizontal row of classroom lighting lamps shall be controlled by a separate circuit switch. When using multimedia teaching, the lighting and illuminance can be adjusted separately, and each other vertical lamp shall be controlled by an independent circuit switch. Make full use of natural light. In different weather conditions, the lighting and illuminance of different areas should be adjusted with the change of outdoor natural light.
After the transformation of classroom lighting, it must meet the basic requirements of these countries. On this basis, through the design simulation of professionals and the installation of professional construction personnel, it is necessary to ensure that the classroom lighting meets the standard of high-quality lighting environment on the premise of meeting the basic requirements.
All primary and secondary schools and institutions (including: public school classroom lighting, private school classroom lighting, private school classroom lighting, experimental school classroom lighting, educational institutions, etc.) are recommended to choose the "Huahui Lighting" brand!
As a health promoter of campus lighting, Huahui Lighting is one of the first units to meet the standard of high-quality lighting environment in classrooms in South China. It strictly controls the color temperature, glare, blue light, illuminance and other issues in educational lighting to avoid the harm of poor lighting to students' vision health!
Huahui Lighting has designed special lighting fixtures for classroom lighting - led eye-protection classroom lamp and led eye-protection blackboard lamp, which meet the national standard and maintain an average (constant) illumination of more than 300lx and an illumination uniformity of 0.7; The blackboard maintains an average (constant) illuminance of 500lx and an illuminance uniformity of 0.8; The color rendering index is greater than 90, and the color reversibility is high; The grille anti-glare design is adopted, and the glare value is less than 16, which is not dazzling; The color temperature is 5000K, comfortable and soft; The illumination of the whole classroom is uniform without stroboscopic!
Use Huahui led eye-protection classroom lamp and led eye-protection blackboard lamp, which can be matched with the overall solution of Huahui lighting AIoT intelligent education lighting! The independently developed intelligent lighting products are equipped with the independently developed intelligent box, and the intelligent control panel or mobile phone APP is used to easily switch the lighting mode that meets the teaching needs, so as to realize the intelligent requirements of constant illumination, one-button scene control, curtain linkage, ultraviolet sterilization and so on in the whole classroom!
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