Professional LED lighting design process must take into account the durability and aesthetics of the lighting, and strive to integrate with the environment, pay attention to a few issues:
1. Light decay of lamps
The light decay of a luminaire refers to the negative influence of the optical system and the luminaire structure on the luminous flux of the light source, and the phenomenon that the illuminance is prematurely weakened by the pollution of the optical system by dust and particles in the external environment. In the design process of the luminaire, the material selection, shape, volume and sealing method of the reflector should take into account the light decay problem.
2. Light source protection
In the design of the luminaire, it is necessary to ensure that the light source has a reliable electrical connection, the contact resistance is small, and it will not loosen after being oscillated.
In order to protect the light source and extend the life of the light source, the internal structure of the light fixture must be scientific and reasonable. In order to enhance the heat dissipation capability of the lamp, the shape and size of the reflector should be reasonably manufactured. The volume of the lamp can be appropriately enlarged, the heat dissipation area can be increased, and the light source can be operated at a suitable temperature to ensure stable performance, safety and reliability.
3. Thermal radiation problems and thermal energy utilization
In addition to reflecting visible light, the light source also generates a large amount of heat radiation. The heat radiation can make the temperature inside the lamp body too high, affecting the service life of the light source, causing the material of the lamp to age prematurely, and more dangerously, it may cause electric leakage, fire, etc. When designing the luminaire, it is necessary to use heat-resistant materials and low-radiation light sources. When conditions are not allowed, materials with poor thermal conductivity such as asbestos should be used to isolate the illuminator materials and components with poor heat resistance and heat resistance. The heat dissipation method, for example, the heat sink and the reflector, refracts the heat radiation, and can also rely on a forced air circulation such as a fan to dissipate the heat as quickly as possible.
When the indoor lighting load is as high as 20-40W/m2, the utilization of thermal energy becomes very important. At present, research on air-conditioning lamps has been carried out with the aim of effectively utilizing a large amount of heat radiation generated by the light source.
4. The luminaire design should be combined with function and aesthetics
An important part of lighting design is to select the appropriate luminaire according to functional requirements and environmental conditions, and to harmonize the lighting function and decorative effect. The luminaire is a functional product, and it is also a rich information carrier and cultural form. It is a comprehensive reflection of people's aesthetic taste, technology level and functional needs in the corresponding historical period. The luminaire design should take care of functions, materials, shapes, colors and crafts. . The design of the luminaire should also take into account the overall relationship between the luminaire and the relevant space environment. Not only the lighting, but also the aesthetics of the luminaire can not be separated from the environment, and can be integrated with the environment.
5. Integrated design of lamps
In recent years, new design concepts and design methods have emerged. The interface shapes of furniture, furnishings, lamps and even spaces are no longer independent decorative elements, but are often combined in various ways, that is, they are played. The decorative effect expands the interior space.
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