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What are the specifications for classroom lighting design and installation?

What are the specifications for classroom lighting design and installation?

2021-06-18

It is understood that China's myopia patients as high as 600 million, myopia rate ranked first in the world. National leaders have given important instructions: jointly take good care of children's eyes and let them have a bright future. The Ministry of education and other departments have formulated the implementation plan for comprehensive prevention and control of myopia among children and adolescents, which specifies the prevention and control measures that should be taken by families, schools, medical and health institutions, students and relevant government departments.

Classroom is the main activity place of students in school. Whether the classroom lighting is good or bad directly affects students' learning efficiency and eyesight health. However, the quality of classroom lighting environment in most primary and secondary schools in China can not meet the requirements of national standards. There are many problems, such as insufficient brightness, uneven illumination, aging lighting equipment, unreasonable installation and so on, which seriously endanger students' eyesight health and eye safety.

For classroom lighting, scientific and reasonable design and installation is a very key link. In order to ensure that all indicators of classroom lamps meet the requirements of national standards, we should not only use professional classroom lamps for eye protection, but also arrange professional technicians to be responsible for the design and installation, so as to create a healthy classroom lighting environment for eye protection.

With the high attention paid by the state to the prevention and control of myopia, in the "Hygienic requirements for lighting design and installation of ordinary classrooms in primary and secondary schools" (GB / t36876-2018), the tabletop, blackboard surface illumination and hygienic requirements for design and installation of ordinary classrooms in primary and secondary schools are specified in detail

1. Hygienic requirements for illuminance of classroom tabletop and blackboard

Maintain the average illumination of desktop not less than 300lx, and the uniformity of illumination not less than 0.7; The average illuminance of the blackboard surface shall not be less than 500lx, and the illuminance uniformity shall not be less than 0.8.

2. Hygienic requirements for classroom lighting design and installation

Hanging grid lamps should be used, and the efficiency of lamps should not be less than 60%; UGR should not be more than 19; Electronic ballast shall be used; The color temperature should be 3300k-5300k and the color rendering index should not be less than 80.

The power density of classroom lighting should not be higher than 11W / m2, and it should be lower than 9W / m2 in conditional areas. The vertical distance (g) between the lamp and the desk shall not be less than 1700mm.

3. Hygienic requirements for blackboard lighting design and installation

The efficiency of special blackboard lamps with asymmetric light intensity distribution shall not be less than 75%; Suspender installation should be adopted. The lamp should be installed parallel to the blackboard. The parallel distance between the lamp and the blackboard is d = 700mm ~ 1000mm, and the vertical distance between the lamp and the upper edge of the blackboard is h = 100mm ~ 200mm. The direct glare of the blackboard lamp on teachers should be avoided by adjusting the lighting angle of the lamp.

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 "Huahui lighting"!

As a school lighting health promoter, Huahui lighting is one of the first batch of high-quality classroom lighting units in South China. It is also one of the "top ten education lighting brands" in China's lighting industry in 2020. It strictly controls the color temperature, glare, blue light, illumination and other problems in education lighting, so as to avoid harmful lighting to students' eyesight health!

Huahui lighting has designed led eye protection classroom lamp and led eye protection blackboard lamp, which are specially used for classroom lighting. They meet the national standard. The average (constant) illumination of desks is greater than 300lx, and the illumination uniformity is 0.7; The blackboard maintains an average (constant) illumination of 500lx, and the uniformity of illumination is 0.8; The color rendering index is more than 90 and the color reduction is high; Grid anti glare design, glare value is less than 16, no glare; Color temperature is 5000K, comfortable and soft; The illumination of the whole classroom is uniform, without stroboscopic and blue light hazards.

Huahui led eye protection classroom lamp and led eye protection blackboard lamp can be used together with Huahui lighting aiot intelligent education lighting overall solution. Through self-developed intelligent lighting products, equipped with self-developed intelligent box (such as intelligent power distribution box or intelligent air switch), intelligent full touch screen scene switch, remote control or mobile app can be used to easily switch the lighting mode that meets the needs of teaching, Realize the constant illumination of the whole classroom, one button scene control, curtain linkage, UV sterilization and other intelligent needs!

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