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Huahui education lighting begins ~ the illuminance, color temperature and stroboscopic of classroom lighting must meet the national standard

Huahui education lighting begins ~ the illuminance, color temperature and stroboscopic of classroom lighting must meet the national standard

2021-10-15

At present, there are some problems in classroom lighting: the illumination, color temperature and stroboscopic in the classroom have not reached the national standard.

There are relevant national policies on classroom lighting, such as the hygienic standard for lighting and lighting in primary and secondary school classrooms. However, classroom lighting does not have to meet the mandatory standards like fire fighting and sewage discharge during the construction and acceptance of school buildings. " In fact, if the lighting in the classroom does not meet the standard, it will affect students' vision to a great extent.

Huahui education lighting professionals found that the classroom lighting environment did not meet the standard, mainly in the following points:

The illumination and illumination uniformity of the desk are generally lower than the national standard (national standard: the illumination of the desk must be greater than 300lx, and the illumination uniformity must be greater than 0.7). If the illumination is low for a long time, the illumination on different desktops in the same classroom is uneven, and some students have difficulty in reading, reading and writing, which is easy to cause visual fatigue.

At the same time, what is often ignored is that ordinary bracket lamps are installed in front of the blackboard in the classroom, no special blackboard lamps are used, and even no blackboard lighting is set. As a result, the average illuminance of the blackboard is far lower than the national standard (national standard: blackboard illuminance ≥ 500lx, uniformity greater than 0.8). Students can not see the words on the blackboard, which is easy to cause myopia.

Most classrooms are directly equipped with naked fluorescent tubes. The light shines directly into students' eyes, causing glare, distracting students' attention, reducing learning efficiency and inducing myopia. Moreover, fluorescent lamps are generally equipped with inductive ballasts, which has serious light frequency flash effect. In order to adapt to the change of frequency, students' visual system frequently adjusts automatically, resulting in visual fatigue.

The low color rendering index in classrooms is also a common disadvantage. Most classrooms use fluorescent lamps, and the color rendering index is about 70 (national standard: the color rendering index of light source should not be less than 80), resulting in color distortion. Over time, it will lead to color blindness, vision loss and so on.

In addition, most classrooms use high color temperature (6500k) fluorescent tubes (the national standard stipulates that classrooms use 3300-5500k color temperature light sources), which cause irreversible damage to the retina and pose a great threat to vision. Too high color temperature, because the light color is too white, it is easy to cause students' emotional excitement and fatigue.

In order to protect students' visual health, we should choose eye protection classroom lamps that meet national standards! It is recommended that 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.) choose "Huahui lighting"!

As a promoter of Campus Lighting health, Huahui lighting is the first batch of qualified units for high-quality lighting environment in classrooms in South China. It is also the "top ten educational lighting brands" in China's lighting industry in 2020. It strictly controls the color temperature, glare, blue light, illumination and other problems in educational lighting to avoid the harm of bad lighting to children's visual health!

Huahui lighting has designed special lighting fixtures for classroom - led eye protection classroom lamp and led eye protection blackboard lamp, which meet the national standard. The average (constant) illuminance of the desk is greater than 300lx and the illuminance uniformity is 0.7; The blackboard maintains an average (constant) illumination of 500lx, and the illumination uniformity is 0.8; The color rendering index is greater than 90, and the color reduction is high; The grid 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 and blue light hazards.

The use of Huahui led eye protection classroom lamp and led eye protection blackboard lamp can be combined with Huahui lighting aiot intelligent education lighting overall solution. Through the self-developed intelligent lighting products, equipped with self-developed intelligent boxes (such as intelligent distribution box or intelligent air switch), the lighting mode that meets the needs of teaching can be easily switched by using intelligent full touch screen scene switch, remote control or mobile phone app, Realize the intelligent requirements of constant illumination, one key scene control, curtain linkage, ultraviolet sterilization and so on!

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