LED wall washer should be chosen like this
2022-01-06
LED Wall Washer allows light to wash and dye the wall like water, playing a role of rendering. Since it is like washing, the best light quality should be as fine and smooth as water. The preferred quality of the wall washer is stable: quality is the foundation, so it is the first choice. The quality of the wall washer can be compared and selected from the following aspects. Choose from the material: Lamp beads: high-quality Cree, Nichia, Epistar, Everlight and other brands are used. Cree's lumen value is very high, but the price is also very high. Circuit board: FR-1 cardboard, CM-1 semi-glass board, FR-4 glass fiber board, aluminum substrate, high thermal conductivity aluminum substrate, ceramic board, etc. are currently used in the market (in order of quality and price). Lenses: Lenses are divided into two categories according to materials: PMMC (acrylic) and PC. Optical grade (including reflective materials) PMMC and PC materials + optical private mold (precision less than 0.1um) is the best choice for lenses. Shell: Wall washer shells are basically stretched aluminum shells, better with anodized surface treatment, distinguishing method: untreated softening marks can not be wiped off, treated softening marks can be wiped off Wire harness: The material of the wire harness is preferably pure copper wire. Avoid using some inferior copper-clad aluminum wire harnesses. In terms of method, it is best to use the bottom outlet method to minimize the gap between the lamp body. Choose from the circuit design: The most undesirable is a single-circuit series connection, which is easy to lose everything. More and less string is preferred. In addition, the high-power wall washer should reflect the overcurrent protection circuit in the circuit design. Choose from the drive power supply: This is the key option. Construction units generally tend to choose high-voltage drive products because of the simple wiring. In actual comparison, it is more recommended to choose 24V low direct drive. On the one hand, for safety reasons, it is especially used in wooden structures, such as ancient buildings, wooden planks, etc. , Relative to high-voltage safety factor is higher. Choose from the size of the power: With the creamy white facade, all black environment, and full power as the experimental conditions, 18W can light up 2-3 meters, 24W 4-5 meters, and 36W 6-7 meters. However, if the light receiving surface is black, or matte, frosted, etc., how big is the gap in achieving light effect? These require more practical experience in the actual application of the product in order to make more accurate choices. Choose from the color temperature: The so-called color temperature is a physical quantity that optically defines the color of a light source, and the color temperature corresponding to the light-emitting color of a black body after heating. Can refer to: Standard candlelight: 1930K; Tungsten filament lamp: 2760-2900K; Fluorescent lamp: 3000K; Flash: 3800K; Sunshine at noon: 5600K; Electronic flash: 6000K; Cloudless blue sky: 12000-18000K. Choose from the perspective of installation: The installation angle is relatively simple, as long as it is adjusted in real time according to the actual effect on site. Choose from the light distribution angle: The light distribution angle depends on the selection of the lens. On the one hand, it is necessary to remove stray light as much as possible, on the other hand, it is necessary to remove the spot as much as possible. At present, it is difficult for common mode lenses on the market to achieve these two points. Choose from differentiation: This requires some innovative, creative, unique requirements and design products to meet the needs of individual design products, of which the narrow beam series products are the most representative. In short, the choice of wall washer is also a comparison and choice of cost performance. It must be comprehensively considered from the aspects of quality, price and project positioning. After all, the right one is the best. 
