Спецификација
ЛЕД Цлеар Пицтуре
Поређење ЛЕД извора светлости-пуног спектра (здраво осветљење) и обичног ЛЕД извора светлости
1. Здраво осветљење је захтев за људско физичко и ментално здравље
Scientific research has found that light is one of the main driving forces of the human body's circadian rhythm system. Whether it is natural sunlight or artificial light sources, it will trigger a series of circadian rhythm responses. Light affects human health to varying degrees through visual and non-visual effects.
The emergence of artificial light has changed the circadian rhythm of natural light, and the use of uncomfortable light sources will cause problems such as visual fatigue, insomnia, light radiation hazards and disturbance of biological rhythms, and potentially affect human health. While paying attention to the objective visual effects of light, such as physical parameters such as illuminance and brightness, we should also consider people's perception of light, and study the effects of light on people's health, mood, comfort and physiological changes, namely non-visual biological effects and Light radiation and other issues.
Therefore, it is of great practical significance to advocate "healthy lighting" and improve light quality and comfort. The so-called healthy lighting is to improve and improve the conditions and quality of people's work, study, and life through lighting, and to promote psychological and physical health.
Sunlight is the source of all things, and it is also one of the necessary conditions for human survival. After tens of millions of years of evolution, natural light has left a deep adaptive genetic imprint in the course of human evolution. The solar spectrum is the healthiest spectrum (except for strong ultraviolet rays). The solar spectrum mainly includes ultraviolet, visible and infrared spectra. Ultraviolet light has the effect of sterilization and disinfection. It can kill mites and other microorganisms or pathogens, promote the synthesis of vitamin D, prevent and treat rickets and rickets, and prevent osteoporosis in the elderly. It has anti-inflammatory and pain-relieving effects, promotes local blood circulation, and regulates immunity. Infrared rays have a good therapeutic effect on human tissue metabolism, blood circulation, and enhancement of human immune function; at the same time, it has a therapeutic effect on muscle spasm, muscle strain, soft tissue damage, and body tissue swelling. Therefore, healthy lighting mainly means that the spectrum of the artificial light source used for lighting should be as close as possible to the visible spectrum of the sun (i.e., imitating natural light lighting), and the lighting must meet the functional requirements of the place and the psychological requirements of people. Judging whether a lighting fixture is a healthy lighting product In addition to indicators such as color rendering index, color temperature, illuminance, brightness, and stroboscopic, an extremely important criterion should be the agreement between the product's spectrum and the visible natural light spectrum. Because even if the product's spectral chart deviates significantly from the natural spectrum, its color rendering index, color temperature, illuminance, brightness, stroboscopic and other technical indicators can also meet the requirements, but products that deviate significantly from the visible natural light spectrum are not truly healthy lighting products ( That is metamerism).
With the continuous development of LED lighting technology, LED technology similar to the solar spectrum (full spectrum technology) has been implemented in the industry and is being promoted and applied.
Друго, предности здравог осветљења
Shuji Nakamura, who won the Nobel Prize for inventing blue LEDs, pointed out that the first-generation LED products have blue light hazards, which are serious and even cause cancer. Most of the LED light sources currently on the market have such problems. Figure 1 shows the spectrum.
Ordinary LED spectrum has obvious peaks and troughs, and the spectrum is out of proportion. Among them, the blue part of the peak is obvious, which is the main culprit for the damage to the human retina.
The emergence of full-spectrum LED technology has repaired the shortcomings of ordinary LED light sources in the visible light waveband spectrum ratio imbalance, and improved the comfort of application products. The full spectrum LED spectrogram is as follows:
Примена технологије пуног{0}} спектра је у великој мери смањила опасност од плаве светлости производа за осветљење, а људи имају бољи осећај да побољшавају удобност извора светлости. Поред тога, побољшање дела црвеног светла чини да производи за осветљење играју улогу у промовисању здравља људи.
3. "Shenzhen LED Industry Standards Alliance" releases a series of standards related to the full spectrum
Healthy lighting is an extremely complex system. Up to now, the country has no clear indicators on healthy lighting, and healthy lighting is still in the advancing and exploratory stage. At present, there are many healthy lighting products on the market, but the quality is uneven. They are more of a gimmick for business promotion. The market is chaotic. An authoritative, unified, and template-based healthy lighting standard is urgently needed to guide the healthy development of the healthy lighting industry.
Shenzhen, as the gathering place of the LED industry and the core area of LED technology innovation and development, full-spectrum lighting technology has been mass-produced in many enterprises. However, the current full spectrum technology is still blank in terms of national standards. In order to meet the urgent needs of the broad LED industry, the "Shenzhen LED Industry Standard Alliance" organized leading companies in the industry for 1 year and 7 months, and took the lead in formulating and releasing the full spectrum. Two of the series of standards are: "SZTT/LSA024.1—2019 Indoor Healthy Lighting Design Code Part 1: Full Spectrum Technical Requirements" and "SZTT/LSA024.2—2019 Indoor Healthy Lighting Design Code Part 2: Home Lighting "The release of this standard puts forward for the first time the concept of full-spectrum lighting technology and the technical requirements of home health lighting, which has played a leading role in the development of health lighting technology.
The standard is based on a large number of publicly published documents such as "Spectral Distribution of Typical Daylight as a Function of Correlated Color Temperature" (54th Journal of the Optical Society of America, 1963) and authoritative technical reports such as the International Commission on Illumination (CIE) "CIE218:2016—Indoor Based on important research results such as "Healthy Lighting Technology Roadmap", the key issue of the recommended typical daylight D40 (color temperature 4000K) spectrum as the standard reference spectrum is solved.
Извор светлости -пуног спектра максимизира предности природног светла и минимизира недостатке вештачких извора светлости да би био користан за здравље и испунио захтеве светле (тамног) вида. Његове спектралне карактеристике су од црвене до плаве (380 780 нм) сличне истој температури боје (4000К, односно Д40) дистрибуцији спектра сунчеве светлости.
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