The construction of a city is inseparable from the decoration of buildings and greenery during the day, and the decoration of landscape lighting at night. The requirements for landscape lighting on lamps are also very strict. Not only the lighting effect, light color and brightness of lamps and lanterns should be used as reference conditions, but also safety and energy saving will be used as reference factors for landscape lighting in lamps. What the editor wants to introduce to you in this issue is the introduction of the requirements of landscape lighting on the light source of lamps. Come and learn about it with the editor of Jilin Province Lighting Project.
A building, a garden, a scenic spot, or even a city, no matter how perfect the landscape design is, as long as it encounters scumbag lights at night, life will be ruined in half. In addition to focusing on lighting aesthetics, landscape lighting safety cannot be ignored. Since most of the landscape lighting is set outdoors, some types of lamps (such as underground lamps, mud lamps, etc.) will have the opportunity to be in close contact with people's activities. Therefore, the safety of its application becomes particularly important: because Not only insects have phototaxis, but also bear children. Therefore, when faced with many nighttime landscape lighting, parents will be particularly worried about light damage and leakage damage of lamps.
The influence of lighting environment on vision is mainly manifested in two aspects: brightness and color. People have different psychological feelings about different colors, such as red and orange, which give people a warm feeling, warm colors express a pleasant, warm and gorgeous atmosphere; blue gives people a cold feeling, and cold light colors express tranquility, elegance and beauty. Refreshing style. This requires that the light source should be reasonably selected according to the landscape effect in the lighting engineering design, and the lighting effect should be improved, so that the brightness and color of the illuminated object are not only different from the surrounding environment, but also harmonious and unified. The common light sources of landscape lighting fixtures of outdoor lighting engineering companies are as follows:
The luminous efficiency of incandescent lamps is low, about 10-14lmΠW, and their average lifespan is generally only 1000h. But it is easy to use, low in price and good in color rendering (the average color rendering index is above 95). Usually, bulbs with a power greater than 40W need to be charged into a certain pressure of argon or nitrogen to prevent the filament from vaporizing. At this time, the color of the light will be partially absorbed by argon or nitrogen, and the color spectrum with shorter wavelength may not be displayed. The three colors of red, green and yellow will be more obvious, so the color of the light source is yellowish. Outdoor lighting engineering companies often use it for contour lighting, string lights, underwater lighting, etc.
Gas discharge lamps: metal halide lamps, sodium lamps, and compact fluorescent lamps. Metal halide lamps and sodium lamps are widely used by outdoor lighting engineering companies due to the continuous improvement of their color rendering index and high light efficiency of light sources.
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