1 Overview of the compilation of Architectural Lighting Design Standards
1.1 The origin of the standard
The original national standards - "Civil Building Lighting Design Standards" (GBJ133-90) and "Industrial Enterprise Lighting Design Standards" (GB50034-92) have been implemented for more than ten years. With the development of the national economy, these two national standards have been unable to adapt. The current construction requirements, the Ministry of Construction issued a task in the summer of 2002, revised the two national standards, and decided to merge into a standard, edited by the China Academy of Building Research, China Aviation Industry Planning and Design Institute and other units, The standard name is "Architectural Lighting Design Standards".
At the same time, the China Green Lighting Project Office of the State Economic and Trade Commission (now the National Development and Reform Commission) issued the “Energy Efficiency Standard for Architectural Lightingâ€, which was prepared by the same editor-in-chief.
In the process of preparation, taking into account the better unification of the above two standards, it is easier to implement in the design and merged into one standard with the consent of the two administrations.
After nearly two years of work in the compilation group, it was approved in April 2004, submitted for approval in May, and approved by the Ministry of Construction on June 18, 2004. The standard number is GB50034-2004, and it was implemented on December 1, 2004. The standard was approved so quickly because the two administrations tracked the main process of preparation and the importance of implementing the standard as early as possible.
1.2 Principles of Standard Compilation
(1) Reflecting the status of China's national economic development and scientific and technological progress in the past decade or more;
(2) The need to adapt to the goal of building a well-off society in an all-round way in the 21st century;
(3) Full implementation of green lighting projects and implementation of major guidelines for energy conservation and environmental protection.
1.3 Main basis
(1) Survey and key surveys on the lighting conditions of various types of buildings in China;
(2) For the analysis of China's original standards, the new standards of the International Commission on Illumination (CIE), the United States, Germany, Russia, Japan and other relevant standards and other materials, draw on the beneficial parts, when possible, use or reference the application of the new CIE standards;
(3) Consider the actual situation of China's current lighting equipment (light source, lamps, ballasts, etc.) and the development trend in the next few years;
(4) Widely listen to the opinions of design, scientific research and other relevant units.
1.4 Characteristics and major changes of the new standard
(1) The illuminance level has been greatly improved, adapting to the current needs of production, work, study and life;
(2) There are new and higher requirements for lighting quality, which is conducive to improving visual conditions;
(3) Reflecting the progress of lighting technology, which is conducive to the development and promotion of high-quality and efficient lighting equipment;
(4) Highlighting energy conservation, seizing the source, applying mandatory provisions, limiting lighting power density, and promoting the energy efficiency of lighting systems;
(5) Increased the content of lighting management and supervision, which is conducive to the optimization of design schemes and the implementation of standards.
1.5 Implementation of the relationship between new standards and green lighting
The new "Architectural Lighting Design Standards" content is comprehensive and systematic, stipulating the illumination level of industrial and civil buildings, lighting quality and lighting power density limits of common places; and green lighting projects are not just lighting energy saving, but beneficial It is a comprehensive and systematic project to achieve energy conservation and environmental protection on the basis of improving people's production, work, learning efficiency and quality of life, and protecting physical and mental health. It adopts measures from administrative, legislative, technical, and economic aspects, including propaganda, education, training, organization and promotion, and the new standard is from technical legislation. The goal of both is the same and the content is completely unified.
2 illuminance standard
Compared with the original standard (GB50034-92, GBJ133-90), GB50034-2004 has the following major changes.
(1) The illuminance standard has been greatly improved. For example, in the general office, the median value specified in GBJ133-90 is 150Lx, and the new standard is 300Lx.
(2) The original standard specifies three values ​​of high, medium and low for the illuminance standard value of each room or place, while the new standard only specifies one value. This value is roughly equivalent to the median of the three values ​​of the original standard; as for the application of high and low values, the improvement of the first level and the lower level are clearly defined in Articles 4.1.3 and 4.1.4 of the new standard. conditions of.
(3) For industrial sites, the original GB50034-92 specifies the standard value of the mixed illumination illumination for the places with higher illumination requirements (including the illumination provided by the local illumination, and stipulates that the general illumination illumination value is 5% of the mixed illumination illumination value). ～15%), some also specify the general illumination illuminance standard value, while the new standard only specifies the illuminance standard value of general illumination. If local illuminance is required, it should be increased by 1 to 3 times of the general illumination illuminance. .
(4) The illuminance standard value specified in the new standard refers to the illuminance requirement of the working surface; the illuminance of the adjacent area within 0.5m outside the working surface is allowed to be appropriately reduced: when the illuminance of the working surface is 300-750lx, the level can be lowered; When it is 200lx or less, it should not be lowered. This regulation is in line with actual needs and is conducive to energy conservation.
(5) Some rooms or places with the same purpose shall have two or even three- and four-speed illumination standards according to different requirements. For example, the office is divided into “general†and “high-endâ€, and the illumination is 300 and 500lx; the store business hall is also divided into “ General "and "high-end" regulations; laboratory, inspection, etc. "general" and "fine" stipulate two levels of illumination. This is in consideration of different regions, different industries, different scales, etc., and is selected as needed during design.