Energy saving transformation of industrial building lighting

Update:09 Nov 2019
Summary:

A large part of energy consumption comes from lighting […]

A large part of energy consumption comes from lighting consumption. Therefore, it is necessary to carry out energy-saving transformation for the lighting of buildings. In the design of lighting energy saving, the basic premise should be to meet the normal needs, the relevant national norms as the standard, combined with the basic conditions of the building, so as to configure a reasonable lighting energy saving design scheme.
In the choice of lighting mode, we should make full use of natural light resources and choose reasonable electrical control switch. According to the standard for daylighting design of buildings, the principle of reflection of indoor light receiving surface is used, which can effectively improve the utilization rate of light and reduce the power consumption of lighting.
Choose energy-saving and efficient light source. At present, the luminous efficiency, life and color rendering performance of light sources are constantly improving, and energy-saving and high luminous efficiency are gradually emerging. However, due to the different types of light sources, the luminous efficiency of various light sources is also greatly different. Like the sodium lamp and metal halide lamp in gas discharge light source, the light efficiency is 8-10 times that of incandescent lamp, with long service life, stable characteristics and high luminous flux maintenance rate. It is suitable for lighting places with low requirements for color rendering. For example, the energy consumption of white LED is only 1 / 10 of that of incandescent lamp and 1 / 4 of that of energy-saving lamp, with long service life, multi transformation, energy conservation and environmental protection, and high luminous efficiency. Because of its wide application, it has been vigorously promoted.

The selection of lighting fixtures is reasonable. In addition to the requirements of ambient light distribution and glare limitation, the luminous efficiency of the fixtures should also be considered to select high luminous efficiency fixtures. In some special occasions, such as using mixed lighting, high light efficiency, low power consumption, realistic light color, coordination, visual comfort.
The transformation of lighting energy saving should be combined with the way of daily energy saving. For public places, centralized control can be adopted as the main method, supplemented by the combination of zone control and group control, so as to minimize the number of lamps and ensure the basic illuminance;
The place with emergency evacuation function shall adopt rocker switch to ensure the lighting needs in emergency;
For the room with insufficient natural light, the photoelectric control automatic adjustment switch can be used to meet the actual needs by automatically adjusting the indoor lighting illuminance;
For outdoor lamps, such as street lamps, the automatic switch can be set according to the natural light intensity, which can be automatically turned on when the light is insufficient, and automatically turned off when the light is abundant, so as to achieve the effect of energy saving.

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