How to ensure good lighting quality and light environment in green lighting

Illuminance uniformity

In the working and living environment, such as in view of the uneven illumination, to cause visual, so the requirements on the working surface of illumination should be uniform, and the illumination and ambient illumination should not differ too poor. The evaluation of the minimum illuminance and the average illuminance on the working surface of illuminance uniformity. China's architectural lighting design standards for the general illumination uniformity should not be less than 0.7. In order to achieve the required uniformity of illumination, the mounting distance of the luminaire shall not be greater than the maximum allowable distance ratio of the selected lamps.

Luminance distribution

In the view of the work, it is an important condition for the comfortable visual environment. If the brightness difference between the surfaces in the field of view is too large, and the line of sight between different brightness changes frequently, can lead to visual fatigue. The brightness of the object to be observed should be three times higher than that of the adjacent environment. It is visually comfortable and has a good definition, and the reflection ratio between the observed object and the surrounding environment should be controlled between 0.3-0.5. In order to ensure a good indoor brightness ratio, should reduce the brightness contrast between the lamp and the surrounding and ceiling, ceiling reflectance ratio should be 0.7-0.8, the wall reflectance ratio of 0.5-0.7, the ground reflectance ratio of 0.2-0.4. In addition, it is more effective to improve the visual effect more effectively than to simply increase the illuminance on the working face, which is more economical.

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