National Quality Supervision and Inspection Center of National Quality Supervision and Inspection Center of Shanghai Quality Supervision and Inspection Technology Center (Shanghai) National Lighting Standardization Technical Committee Lighting Sub-Technical Committee Shanghai Times Light Lighting Electrical Testing Co., Ltd. Shanghai 200233
LEDs enter the field of lighting, and a variety of LED products appear in the field of lighting, such as LED replacement incandescent lamps, MR16, PAR
Lights, fluorescent light sources and a range of luminaires, such as decorative lighting, road lighting, floodlighting, recessed lighting and table lamps. In the LED
At the same time of product appearance and application, users also put forward requirements for the quality of LED lighting products. It is often asked: Does the LED lamp have an assessment standard?
As a new lighting product that is attracting attention, how to use the LED light source to meet the application requirements and scientifically evaluate its performance in safety, laser safety, performance and energy efficiency is the current LED lighting products. A big topic.
To solve this problem, we should begin to understand the basic principles of the luminaire standard from the understanding of the existing luminaire standard system. When we look at the characteristics of LED luminaires from a scientific perspective, we will understand that the existing luminaire standards have covered LED luminaires. Due to some characteristics of LED lamps,
Additional requirements for LED luminaires are also required to establish special requirements for LED luminaires.
First, China's lighting standard system has been basically established and is gradually improving
When the LED light source has not entered the field of lighting, China's lighting standard system has been basically completed. The content relates to the electrical safety of the luminaire, the luminosity measurement of the luminaire, the performance requirements of individual common luminaires and the electromagnetic compatibility requirements [1], as well as the technical requirements of other components of the important luminaire. In recent years, with the promulgation of national energy policies and the announcement of energy conservation and emission reduction requirements, the energy efficiency of commonly used lamps has been studied and corresponding energy conservation requirements and standards have been formulated.
China has basically adopted the following principles in the formulation of the above standards: all safety standards related to personal and property safety are equivalent to the use of international standards, such as IEC, performance requirements for photometric standards and individual commonly used lamps, and technical requirements for other components of important lamps. Standards (with CIE-International Commission on Illumination and IESNA-North American Lighting Society) and domestic specific conditions to develop standards that suit national conditions. As for the current energy-saving requirements of commonly used lamps - energy efficiency indicators and their evaluation, also refer to domestic and foreign standards to develop standards suitable for China's situation [2].
2. Some basic views and mastery principles in formulating the above standards
Lamps are an industry closely related to human activities and social development. Standardizing its quality is an important matter involving the national economy and the people's livelihood. Therefore, the following principles have been implemented in the past standards development process:
1. The principle of separation of light source and light used in lamps
The light used for illumination in any occasion is emitted by the light source, not the luminaire. The luminaire is only a device provided to make the light spread better and safer and more convenient to use. Therefore, the standard of the luminaire only specifies how to use the content of the light source. Does not involve the requirements of the light source itself, such as illuminating and construction.
2. The principle of separation of lamps and light sources
The luminaire uses the light emitted by the light source, and the light is for the lighting service. Therefore, the name of the luminaire and the direction of the standard naming have nothing to do with the light source, that is to say, the "incandescent lamp projection lamp and the metal halide lamp projection lamp" will not be formulated. The standard of the class.
3. The naming of luminaire standards is the principle of lighting services.
The light emitted by the light source is used to illuminate the service. It must pass through the luminaire. The various light sources working directly in the field are also in the form of lamps. We call the luminaire instead of the light source, but only add a sentence when it is necessary to make it clear. What kind of light source is used to complement it, so the naming of the luminaire directly reflects its service capabilities, objects and places.
4. The principle of separation between safety and performance
Lamps are electrical products, and electricity safety is a top priority. Moreover, internationally, safety requirements are seen as uniforms and many international, regional or national basic standards have emerged and implemented, such as IEC and CIE [3]. And standards such as Europe, Korea, and Taiwan. As for the performance standards of lamps, most of them are regulated or formulated according to their own characteristics and requirements, and there is no mandatory uniformity. Therefore, the content sometimes varies greatly.
5. Emphasize the principle of using light sources in luminaire standards
Many light sources have different performances under different working conditions, some brighten, some darken, some shorten life, and so on. The key issue is that the performance of the light source is related to the ambient temperature. In order to use the light source, it is extremely important to specify the environment provided by the luminaire.
Third, LED development and application to lighting, the use of LED as a light source in some cases
(1) Some performances of LEDs and people’s speculation about it
(1) A place where the LED is different from the conventional light source;
a light source that emits light in a 2Ï€ direction;
A lamp that is substantially inseparable from a light source and a luminaire.
(2) LED's performance in energy conservation and environmental protection has made people pay more attention to the mentality and expectation from playing the role of LED, using LEDs and traditional lamps have different content.
(3) LED There are still many unsatisfactory places that have not yet understood deep and transparent, resulting in many unknown worlds. Let people guess...
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