Lighting energy saving - — Lighting power density value and the use of natural light

The illumination energy conservation values (1, lighting power density 1) Residential building household lighting power density value should not be greater than the table 6. 1. The provisions of 1. When the room or place of illuminance value higher or lower than it is stipulated by the corresponding illuminance value, the lighting power density value should be in proportion to increase or reduction.

　　（ 2) Office building lighting power density value should not be greater than the table 6. 1. The provisions of the two. When a room or place high illuminance value corresponding illuminance value of the child or under the table, the lighting power density value should be in proportion to increase or reduction.

　　（ 3) Commercial building lighting power density value should not be greater than the table 6. 1. The rules of the three. When the room or place of illuminance value higher or lower than it is stipulated by the corresponding illuminance value, the lighting power density value should be in proportion to increase or reduction.

　　（ 4) The hotel building lighting power density value should not be greater than the table 6. 1. The rules of the four. When the room or place of illuminance value higher or lower than it is stipulated by the corresponding illuminance value, the lighting power density value should be in proportion to increase or reduction.

　　（ 5 hospital building lighting power density value should not be greater than the table 6. 1. The rules of the five. When the room or place of illuminance value higher or lower child it is stipulated by the corresponding illuminance value, the lighting power density value should be in proportion to increase or reduction.

  　　（ 6) The school building lighting power density value should not be greater than the table 6. 1. The rules of the 6. When the room or place of illuminance value higher or lower child it is stipulated by the corresponding illuminance value, the lighting power density value should be in proportion to increase or reduction.

　　（ 7) Industrial building lighting power density value should not be greater than the table 6. 1. The rules of the 7. When a room or place of high or low illuminance values corresponding illuminance value of the child in this table, the lighting power density value should be in proportion to increase or reduction.

　　（ 8) Set decorative lamps and lanterns, can actually use the adornment sex of lamps and lanterns of 50% of the total power included in the calculation of the lighting power density value. （ 9) Equipped with accent lighting shop business hall, the business hall floor lighting power density values of every square metre can increase 5 w. Two, make full use of natural light 1, coefficient of the daylighting of the room, or light inlet window area ratio should be consistent with the architectural lighting design standard 'the provisions of GB/T 50033. 2, conditions, appropriate automatic adjustment artificial lighting along with the change of outdoor natural light illumination. 3, conditions, appropriate use of all kinds of light and reflectors to introduce natural light indoor lighting. 4, conditions, appropriate use of solar energy as the light energy.

GB50034