Feasibility The implementation of green lighting projects in museum buildings is not only necessary but also feasible. First, the use of new light sources and new lamps is economically cost-effective. In the past, because the quality of domestic energy-saving lamps was not good, the cost was high, and it was easy to fail, people got the impression that “saving energy with energy-saving lamps is not savedâ€. With the advancement of technology, the quality of energy-saving lamps has increased, the failure rate has decreased, the lifespan has been extended, and the economic benefits are obvious. Second, because replacing the old light source with a new light source does not require changing the lamp position and wiring, most places do not even need to change the lamp, the construction is simple and easy, not only suitable for new museums, but also for established museums. Third, many new light sources are higher than the original old light source in terms of color rendering and color temperature. In particular, many lighting manufacturers have introduced a variety of lamps, such as ceiling lamps, chandeliers, and wall lamps, in conjunction with new light sources. , embedded lights, etc., a wide variety, a wide variety. Therefore, from the design point of view, whether it is the light environment indicators, or the shape of the lamps, the use of new light sources, there is also a wide range of options, can also create the ideal light environment quality.
Three commonly used new light sources and new lamps are used to implement green lighting. In the light source, new light sources with high light efficiency, good light color, long life and reasonable price should be preferred. The light source utilization should be preferentially selected on the lamps. It is beneficial to limit glare and beautiful appearance of lamps, especially direct and semi-direct type lamps. As a lamp used in museum exhibition halls, color rendering is particularly important. The color rendering index Ra of the first and second generation fluorescent lamps is about 70. For some places where high color rendering is required, the third generation trichromatic fluorescent lamps are obvious. The advantage, therefore, this fluorescent lamp is very suitable for use in museums. Its light efficiency, light color and longevity are incomparable to the first and second generation fluorescent tubes. Such fluorescent lamps are suitable for museum exhibition halls, offices, public rooms, and places where the ambient illumination is relatively high, especially for non-physical exhibits that are less sensitive to light.
Metal halide lamps are in the museum, and many exhibition halls have a large space. For example, the exhibition halls of large-scale animal and plant specimens are not too dark due to the large volume of exhibits placed in a large space. This type of exhibition hall is more than 6m in height, and it is economical to use metal halide lamps. The metal halide has good light color and long life, generally 10,000, the color rendering index Ra is 60-85, the color temperature is 3500-6500k, and the light source power is 75-2000w. In actual engineering, the low-power high color rendering metal halogenation The light can be prioritized for use in the museum exhibition hall, beautiful and beautiful. In the use of metal halide lamps in museums, special attention should be paid to the indicator of color rendering. According to relevant data, the color rendering index Ra of metal halide lamps is generally 65, which can meet the color development of some museum exhibits. Sexual needs.
Cold beam tungsten halogen lamp cold beam directional illumination halogen halogen lamp is a combination of tungsten halogen bulb and dielectric film cold mirror. It has small volume, long life, good color rendering, low beam temperature, high luminous efficiency and remarkable power saving effect. specialty. Since the mirror is coated with a multilayer dielectric film, it can reflect 95% of the visible light forward and 85% of the infrared light. In particular, the cold-beam tungsten halogen lamp with transparent cover can absorb 95% of ultraviolet rays, which greatly limits harmful radiation, and is suitable for illumination of exhibits sensitive to heat and ultraviolet radiation, such as paintings, fabrics and other precious cultural relics. The luminaire can also be divided into narrow, medium and wide beams, which are convenient to use. At the same time, the lamp is mounted on the guide rail, which can easily change the installation position and make the exhibition hall more flexible. By adopting new technology, the current life of tungsten halogen lamps is generally 2.5 times that of incandescent lamps, 40% less than that of incandescent lamps of the same power, and the color rendering index Ra can reach 100, the power saving effect is obvious, and the color rendering property is very good. In addition, a variety of direct, semi-direct lighting, high light utilization, simple shape, beautiful, generous, can be used in museum design.
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