How to distinguish the quality of lamps?
In the ceiling lamp, there are ballast and circulating lamp, and ballast has inductance ballast and electronic ballast. Compared with inductance ballast, electronic ballast can improve the light efficiency of lamp and system, start instantaneously and prolong the life of lamp. At the same time, it has small temperature rise, no noise, small size and light weight, and its power consumption is only 1/3 to 1/4 of the inductance ballast. Therefore, the electronic ballast ceiling lamp should be chosen. There are halogen powder and three basic colors in the loop lamp of ceiling lamp. The three basic colors have good color rendering, high luminosity and slow light decay. The halogen powder lamp has poor color rendering, low luminosity and fast light decay.
Table lamp and floor lamp
The characteristics of the lamp are movable, flexible, and the lamp itself is a work of art, which can give people a beautiful enjoyment. The lamp through the lampshade can draw a soft dynamic line on the wall. The lamp can be placed anywhere from 60 cm to 80 cm in height. It is mostly used for basic lighting in living room, bedroom, dining room and family members'room. Floor lamps are often used for local lighting, not comprehensive, but exaggerate the convenience of movement, which is very practical for creating corner atmosphere. If the lighting mode of floor lamp is directly projected downward, it is suitable for reading and other flow requiring concentration. If it is indirect lighting, it can adjust the overall light change.
Chandeliers can be used to provide more light in specific areas such as tables. In order to prevent people from meeting their heads when they get up, the chandelier should be installed at a place over 30 centimeters apart from the dining table. The diameter of the fixing lamp should be 30 centimeters and less than the width of the table, and it should be placed directly above the table. Ceiling fixtures or built-in lighting can provide the lighting needed for stairs. Install a lamp with a fixed base on the ceiling of the hall. For safety reasons, fixed lighting devices are installed in corridors every 2-3 M. The ceiling is above 2.4m, and the floor and wall are dark colored rooms. Large wattage lighting should be used.
The advantage of the wall lamp is that it can make the light soft, have multiple effects of projection and halo, and show different elegance because of the different materials of the house decoration. The light source is suitable for background, exaggeration and indication. They all have the effect of drawing the line of sight, which often makes the room look bigger.
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