A fixture is a housing or assembly used to hold and protect a light source, such as a lamp or lighting element. The fixture not only physically supports the lamp but also plays a significant role in the lighting properties, such as light distribution , light output , safety , and aesthetics .
Functions of a luminaire:
- Protection : The fixture protects the lamp against physical damage, dust, dirt, water or other environmental influences, depending on the type of fixture.
- Light distribution : The fixture ensures that the light is distributed correctly. This can be done, for example, through reflective surfaces, lenses, or diffusers that spread, direct, or soften the light. The way the light is distributed affects the brightness and ambiance of the room.
- Cooling : With certain lamps, such as halogen or LED lamps, the fixture can also help dissipate the heat generated by the lamp. This prevents overheating and extends the lamp's lifespan.
- Aesthetics : The fixture's design contributes to the room's overall appearance. It can serve as a decorative element in an interior, such as architectural lighting or decorative lighting installations.
- Easy Installation : Fixtures are designed to make lighting installation easier, often with features such as mounting points, mounting brackets, or standard connections.
Types of luminaires:
Luminaires can vary in shape, size, and function depending on the lighting application. Some common types of luminaires include:
- Ceiling lights : These are mounted on the ceiling and are often used for general lighting in homes, offices or commercial spaces.
- Recessed luminaires : Luminaires that are built into the ceiling or wall for a sleek finish.
- Surface-mounted fixtures : Fixtures that are mounted on the underside of the ceiling and are often visible.
- Wall lights : Mounted on the wall, such as wall lamps, which often provide directional or mood lighting.
- Outdoor luminaires : For outdoor use, such as streetlights, garden lights, or outdoor wall lights. These luminaires are often specially designed to withstand weather conditions and dust or water infiltration (e.g., IP65 or higher).
- Spotlights and downlights : These fixtures direct light to specific spots and are often used for accent lighting or to illuminate a specific object or area.
- Table lamps and floor lamps : Freestanding fixtures often used for task lighting or mood lighting in living areas.
- Track lighting : Lighting that is mounted on a track and can often be adjusted to illuminate different areas, such as in shops or galleries. It offers flexibility in directing the light.
- LED Fixtures : Specific fixtures designed for use with LED lighting, which are energy-efficient and often more compact than other light sources.
Features to consider when choosing a fixture:
- Light output and efficiency : The luminaire must provide the correct amount of light for the application and enable efficient light distribution.
- Protection against environmental influences : Especially in industrial or outdoor environments, it is important that the luminaire is resistant to influences such as dust, water or corrosion.
- Style and design : The luminaire must match the style of the interior or outdoor space, as well as the specific functional requirements.
- Energy consumption : Energy-efficient fixtures, such as those suitable for LED lighting, can contribute to lower energy costs.
- Lamp compatibility : The fixture must be suitable for the type of light source (e.g. LED, halogen, fluorescent) that is installed in it.
Summary:
A fixture is the housing or assembly that supports and protects a light source. It influences lighting characteristics such as light distribution, safety, and aesthetics. There are different types of fixtures for various applications, from ceiling lights to wall lights, spotlights, and outdoor lighting. Choosing the right fixture depends on the functional requirements and the style of the space.