Due to the development and gradually popularization of LED lighting products, the current general lighting of white LED tube light, such as the luminous efficacy and efficiency of LED lighting lamps and lanterns of lamps and lanterns has been more than the traditional light source, and can achieve high color rendering, high stability, and can satisfy the demand of intelligent lighting switch.
The use of LED lighting lamps and lanterns, the key still depends on the lamps and lanterns and so on LED tube light can meet the requirements of lighting indicators and related lighting devices.
At present, the social public opinion for blu-ray has many concerns, but we can not blindly negative for blu-ray.
On the one hand, the blue light is an important component of white light, is not only an important role to ensure the color rendering, also can be adjusted to circadian rhythms.
Outdoor sunlight can meet the synchronous adjusting human body's circadian rhythm (
Or clock)
Function, the blue light of indoor receives far less than the outdoor activity receives dose.
Cold and blue and white illuminant can be used to establish proper light environment, blu-ray dose, to help people get daily need to ensure that their circadian rhythms in harmony with the natural circadian rhythm.
We usually hear blu-ray harm, on the other hand, refers to the light of 400500 nm blue band if radiation brightness is too high, eyes look after for a long time may cause of retinal photochemical injury.
Blu-ray question essence is radial brightness, blue light weighted function, and time, the function of the single look from spectrum, color temperature LED spectrum when high proportion of blue light increases, but compared with the fluorescent spectra of blue light, there is no special color temperature phase at the same time, LED brightness blue security cap with fluorescent lamp.
At home and abroad for blu-ray retinal dangerous have unified rating standard GB/T 20145 -
2006 / IEC62471。
Daily general lighting levels LED lamps and lanterns are 0 or 1, belong to the category of security.
LED lamps light source, is there safe hidden trouble?
The ordinary white LED the luminous efficiency of lamps and lanterns and lamps and lanterns of lighting efficiency is more than the traditional light source, and can achieve high color rendering, high stability, can meet the demand of intelligent lighting switch.
The use of LED lamps and lanterns, the key still depends on whether the lamps and lanterns can meet the requirements of lighting indicators and related lighting devices.
About the LED light biological safety problem, can consult the international union of semiconductor lighting, national semiconductor lighting project research and development and industry alliance, and in July 2013 the Chinese illumination acad jointly issued the general illumination LED and the blue white paper.
White paper explicitly mentioned the correct use of qualified plain white LED lighting products, to the human eye is completely safe.
So, the classroom lighting using LED lighting lamps and lanterns, should pay attention to?
Exist at present the use of school classroom lighting leds brand clutter, quality the good and bad are intermingled, the market is not sound, lack of preventive maintenance, standard, but can't be blamed the problem on the LED light source itself.
In the classroom in the use of LED lighting products should be paid attention to the following questions: first, choose the products of LED lamps and lanterns should on the quality of light quality meet the specification requirements, including meet the security requirements, performance requirements, reliability demands, environmental protection laws and regulations, etc. ;
Secondly, we should correct use of light source and lighting system, including the reasonable way of lighting design, correct installation, regular inspection maintenance;
Finally, for all kinds of LED light source and LED downlight etc lighting system products, should be light biological safety tests, the user should still avoid look for these light source for a long time, especially in the case of short distances.
LED spotlights, LED lighting lamps and lanterns has small volume, long service life, adjustable and controllable, and many other advantages, will make the LED lighting lamps and lanterns in many applications, such as the classroom lighting obtained the rapid development and wide public concern.
Specific classroom lighting standard can refer to the elementary and middle schools classroom lighting and lighting health standard '(
GB7793 -
2010).
, the primary and secondary schools and kindergarten classroom lighting design standard '(
DB31/539-
2011).
And related index requirements.
Note: the pictures in addition to the special instructions, are derived from the network.
Sounds floating photoelectric co. , LTD. Shenzhen floating photoelectric is a collection of lamps and lanterns design, research and development, production, sales, construction, installation of an integrated lighting service enterprises.
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