Regarding "green lighting," its keywords are nothing more than energy-efficient, environmentally friendly, safe, and comfortable. According to the status quo of China's lighting technology and products, there is still a long way to go to achieve true "green lighting." Combining product R&D and engineering practice in recent years, the author has several experiences in realizing green lighting and is willing to share with you.
First of all, to evaluate whether a product is close to or meet the standards of green lighting, it should not only assess one or two of its more prominent technical indicators, but should assess its performance in the whole industry chain, and assess its comprehensive indicators of the entire life cycle. . For example, LED lighting efficiency reaches 90 lumens / watt or even higher, life expectancy of 50,000 hours or even longer, what is the price to get it? It is well known in the industry that the higher light efficiency and longer life of LED light sources are more dependent on the control of the junction temperature, so the large heat sinks of LED lamps often become their distinctive identification signs (there is information that the average LED heat sink supplies are 75 g/W). The author thinks that we should pay attention to such an indicator, that is, the total amount of resources (eg, per million lumens per hour) required to use a lamp in its entire life span (eg, funds, electricity consumption, and non-ferrous metals). The product of metal consumption, etc.) is used to evaluate the merits of the luminaire. This may lead practitioners to scientifically grasp the balance of various parameters. Assuming that the consumption of non-ferrous metal resources, such as aluminum radiators, is greater than that of traditional lamps and lanterns, in exchange for the “use phase†of the lamps, is there any reason to call it “carbon emission transfer�
Second, the healthy promotion of green lighting business depends on the timely revision and improvement of relevant industry standards. Lighting is a service for people. It is for people to serve the increasing quantity and quality of the light environment. Therefore, the relevant standard values ​​are constantly adjusted. For example, compared with its previous generation standards (GB50034 92, GBJ133 90), GB50034 2004 has greatly improved the standard of illumination. Like a general office, the median value specified in GBJ133-90 is 150 lux and the new standard is 300 lux. This is what "on-demand lighting" means. However, it cannot be denied that people's demand for the light environment has both normal and differentiated needs. This requires guidance from relevant standards. In other words, lighting is for people, and it is also for people's low-carbon life. According to "China Construction News" reported that China Academy of Building Research has already begun on the "architectural lighting design standards GB50034-2004" The amendments expand the consultation, I was full of hope.
Here I would like to propose a lighting design standards for lighting products and engineering practices to guide efforts. In the past few years of engineering practice, I found that the underground parking lot standard operating status and a considerable part of the requirements there is a considerable gap. The main performance is that the design and construction meet the standard requirements and pass the acceptance. However, in order to save electricity, the user can remove the lamps or reduce the number of lights at will. Taking the underground parking lot illumination index as an example, the “architectural lighting design standard GB50034-2004†requires not less than 75 lux, but it is not ideally implemented in engineering practice. For example, if a hotel measures 12 lux, a school has 30 lux. and the highest for an organ, and up to 110 lux. The above example shows that there is a de facto deviation between the actual operation conditions of the architectural lighting and the standards. When the standard is revised, whether or not the different requirements for lighting in public places can be confirmed through scientific measurement of people's behavior patterns, so that the actual needs of people in the so-called lighting “sleep state†can be confirmed and quantified, making “on-demand lighting†possible. Beyond the limitations of individual engineering practices, the clarity of expression and the scientific and rationality of the indicator system can be achieved, and the design, construction and operation of architectural lighting can be better guided. In this way, the standards are given due respect and implementation, and users are also more willing to adopt energy-saving lighting products and operating modes. At the same time, it is possible to clarify the concepts and extensions of smart lamps in order to standardize the healthy development, gradually standardize them, and then become a wide choice of industry and society.
Finally, there is also a question of “rational†use of energy-saving lighting products. That is to say, regardless of how energy-efficient lighting products are, there is also a question of reasonable and appropriate use, which cannot be achieved without a choice and blindly promoted.
It can be said that "green lighting" is a goal that needs long-term pursuit. As an advocate and active practitioner of the "On-Demand Lighting" concept, Warwick Kaide Lighting Technology (Beijing) Co., Ltd. is providing energy-saving and environmentally-friendly lighting technologies, products and services, while continuing to ask and think about green lighting. The profound connotation is to be a sober practitioner, so that their own technology and products are continuously approaching the complete realm of green lighting.
First of all, to evaluate whether a product is close to or meet the standards of green lighting, it should not only assess one or two of its more prominent technical indicators, but should assess its performance in the whole industry chain, and assess its comprehensive indicators of the entire life cycle. . For example, LED lighting efficiency reaches 90 lumens / watt or even higher, life expectancy of 50,000 hours or even longer, what is the price to get it? It is well known in the industry that the higher light efficiency and longer life of LED light sources are more dependent on the control of the junction temperature, so the large heat sinks of LED lamps often become their distinctive identification signs (there is information that the average LED heat sink supplies are 75 g/W). The author thinks that we should pay attention to such an indicator, that is, the total amount of resources (eg, per million lumens per hour) required to use a lamp in its entire life span (eg, funds, electricity consumption, and non-ferrous metals). The product of metal consumption, etc.) is used to evaluate the merits of the luminaire. This may lead practitioners to scientifically grasp the balance of various parameters. Assuming that the consumption of non-ferrous metal resources, such as aluminum radiators, is greater than that of traditional lamps and lanterns, in exchange for the “use phase†of the lamps, is there any reason to call it “carbon emission transfer�
Second, the healthy promotion of green lighting business depends on the timely revision and improvement of relevant industry standards. Lighting is a service for people. It is for people to serve the increasing quantity and quality of the light environment. Therefore, the relevant standard values ​​are constantly adjusted. For example, compared with its previous generation standards (GB50034 92, GBJ133 90), GB50034 2004 has greatly improved the standard of illumination. Like a general office, the median value specified in GBJ133-90 is 150 lux and the new standard is 300 lux. This is what "on-demand lighting" means. However, it cannot be denied that people's demand for the light environment has both normal and differentiated needs. This requires guidance from relevant standards. In other words, lighting is for people, and it is also for people's low-carbon life. According to "China Construction News" reported that China Academy of Building Research has already begun on the "architectural lighting design standards GB50034-2004" The amendments expand the consultation, I was full of hope.
Here I would like to propose a lighting design standards for lighting products and engineering practices to guide efforts. In the past few years of engineering practice, I found that the underground parking lot standard operating status and a considerable part of the requirements there is a considerable gap. The main performance is that the design and construction meet the standard requirements and pass the acceptance. However, in order to save electricity, the user can remove the lamps or reduce the number of lights at will. Taking the underground parking lot illumination index as an example, the “architectural lighting design standard GB50034-2004†requires not less than 75 lux, but it is not ideally implemented in engineering practice. For example, if a hotel measures 12 lux, a school has 30 lux. and the highest for an organ, and up to 110 lux. The above example shows that there is a de facto deviation between the actual operation conditions of the architectural lighting and the standards. When the standard is revised, whether or not the different requirements for lighting in public places can be confirmed through scientific measurement of people's behavior patterns, so that the actual needs of people in the so-called lighting “sleep state†can be confirmed and quantified, making “on-demand lighting†possible. Beyond the limitations of individual engineering practices, the clarity of expression and the scientific and rationality of the indicator system can be achieved, and the design, construction and operation of architectural lighting can be better guided. In this way, the standards are given due respect and implementation, and users are also more willing to adopt energy-saving lighting products and operating modes. At the same time, it is possible to clarify the concepts and extensions of smart lamps in order to standardize the healthy development, gradually standardize them, and then become a wide choice of industry and society.
Finally, there is also a question of “rational†use of energy-saving lighting products. That is to say, regardless of how energy-efficient lighting products are, there is also a question of reasonable and appropriate use, which cannot be achieved without a choice and blindly promoted.
It can be said that "green lighting" is a goal that needs long-term pursuit. As an advocate and active practitioner of the "On-Demand Lighting" concept, Warwick Kaide Lighting Technology (Beijing) Co., Ltd. is providing energy-saving and environmentally-friendly lighting technologies, products and services, while continuing to ask and think about green lighting. The profound connotation is to be a sober practitioner, so that their own technology and products are continuously approaching the complete realm of green lighting.
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