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What harm will it bring if the lighting and lighting hygiene standards of classroom are not up to standard?

What harm will it bring if the lighting and lighting hygiene standards of classroom are not up to standard?

2021-07-22

The classroom is the second home of students and plays an important role in their growth. But there will be some flaws in the classroom, which will also affect their healthy growth. For example, classroom lighting, if the classroom lighting effect is not up to standard, light will promote students myopia, heavy will affect their physical and mental health.

There are six main indicators of classroom lighting and lighting health standards: illuminance, glare index, color rendering index, stroboscopic index, color temperature and blue light hazard. These six parameters are also detected during acceptance. If these six indicators of classroom lighting do not meet the standard, what harm will they bring?

According to the hygienic standard for daylighting and lighting in primary and secondary school classrooms, the average illuminance value on the classroom desk should not be less than 300lx; The blackboard in the classroom should be equipped with local lighting, and its average illumination value should not be less than 500lx.

If the classroom lighting is far lower than the standard value, the pupil will be opened to the maximum, the pupil opening muscle will be tight, and in order to get enough light, the head of the students will unconsciously go under, the distance between the eyes and the books will be too close, the sclera of the eyeball wall will expand, the intraocular pressure will increase, and the intraocular tissue will be congested. In addition, the eyeball tissue of teenagers is delicate, and the eyeball wall will be compressed and extended gradually, So that the front and rear axis of the eye is extended, long-time close to see things, the muscles of the eye can not relax and become spasmodic state, so that the ciliary muscle of the eye loses elasticity, resulting in the lens can not be restored (thicker than natural), distant objects can not converge in the retina, objects form focus before the retina, resulting in visual deformation, resulting in myopia.

In order to better deliver light and care for growth, Huahui education lighting, aiming at the problems existing in the field of classroom lighting, uses its own scientific research strength, stands in the perspective of human factors engineering, and starts from the needs of visual health and human comfort, after a long time of efforts to research and develop a classroom lighting environment suitable for students' reading and learning.

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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