Classification of fixed lamps. Fixed luminaires are luminaires that cannot be easily moved from one place to another. Such luminaires can only be moved with the help of tools or used in places that are not easily accessible. Fixed lamps include ceiling lamps, chandeliers, wall lamps, etc. Matters needing attention when buying crystal lighting. The ceiling lamp is directly installed on the ceiling surface of the lamp type.
Including downward projection lamps, astigmatism and full-scale lighting, etc., the light sources include incandescent ceiling and fluorescent ceiling lamps, which are characterized by brightening the top of the room and forming a bright sense of the whole room. The disadvantage is that it is prone to glare. Because the storey height is relatively low in general residential buildings, it is widely used. However, the shape, layout and combination, structural form and materials of the ceiling lamp should be considered according to the use requirements, ceiling structure and aesthetic requirements.
The size of the lamp must be adapted to the indoor space, and the structure must be safe and reliable. Crystal lamp, the method of purchasing modern crystal lamp. Chandeliers are generally luminaires hung on the ceiling, and are the most commonly used universal lighting. There are many types of lamps such as direct, indirect, downward illumination and uniform astigmatism. The size of the chandelier and the number of lamp holders are all related to the size of the room. The chandelier is generally 500~1000mm away from the ceiling, and the distance between the center of the light source and the ceiling is 750mm. It can also be higher or lower according to specific needs.
How to purchase lamp masks. Wall lamps are lamps installed on the wall. It is a light fixture for interior decoration and supplementary lighting. Since the distance from the ground is not high, low-power light bulbs are generally used. The height of the lamp itself is 450~800mm for large ones and 275~450mm for small ones. The diameter of the lampshade is large, Ф150~250 mm, and small, Ф110~130 mm. The distance the lamp jumps over the wall is roughly 95~400 mm.
The light source power commonly used in wall lamps is 100 watt and 150 watt incandescent bulbs for large ones, and 40 watt and 60 watt incandescent bulbs for small ones. It is also possible to directly replace incandescent bulbs with compact fluorescent lamps.