威耐仕办公照明

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Linear light  MD643-A

Linear light MD643-A

  • Classification:Office line lights
  • Views:second
  • Date of issue:2020-03-02
  • Summary
  • Characteristic
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办公照明设计


"Children are the flowers of the motherland" "If you are strong in the country, you will be strong in the country, and young people will be strong in the country." The most popular teaching equipment in most schools is multimedia podiums and multimedia blackboards. Educational lighting is still traditional fluorescent light Ordinary led lamps. Studies have shown that education lighting uses a simple fluorescent lamp bracket, and the light source is directly exposed, which will cause great glare to students. The fluorescent lamp light source has a short life, serious light decay, frequent maintenance, and poor color rendering. Ordinary LED lamps are also prone to glare and have blue light hazards.


The aging of myopia is urgent. Myopia is not as simple as "wearing an extra pair of glasses". The occurrence and harm of myopia are irreversible. High myopia is prone to various types of fundus lesions, causing severe visual impairment.


The "Standard" requires that the average illuminance value on the classroom desk should not be lower than 300lx, and the uniformity of illuminance should not be lower than 0.7; the classroom blackboard should be provided with local lighting, and the average illuminance value should be not lower than 500lx, and the uniformity of illuminance should not be low At 0.8. If the education lighting is far below the standard value, the pupils of the eyes will be widened, and in order to absorb enough light, the student's head will be lowered unconsciously, causing the eyes to be too close to the books. If you often read books so close , Writing, will make the adjustment of the eyes very nervous, thereby forming myopia.


High color rendering index


The "Standard" requires that the color rendering index of educational lighting should not be less than 80. An excessively low color rendering index affects students' eyes to recognize the color of objects and prevents objects from showing their true colors. If this situation continues, it will easily cause problems such as color blindness or color weakness. The long-term use of eyes in light with low illumination and sub-standard color rendering results in excessive fatigue of the eyes and ultimately myopia.


Comfortable color temperature


The "Standard" requires that the classroom should use a light source with a color temperature of 3300K-5500K. At high color temperatures, the color of the light is too white, which easily leads to student excitement. Once the excitement passes, it causes visual fatigue, reduces attention, and reduces learning efficiency.


Glare


The "Standard" requires that the uniform glare value (URG) of the classroom should not be greater than 19, and the eyes will be blinded by strong light for a long time.


No strobe


Light strobes can easily distract students and reduce learning efficiency. In order for the eyes of the students to adapt to the changes in the frequency of the lights, they need to make continuous self-adjustment, which will cause extreme fatigue for a long time.


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Last:Linear light MD643-DE2020-03-27
Next:Line light MD6732020-03-27

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