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What is the application occasion and effect of wall washer

December 31, 2021

The high-power LED wall washer has two control methods: external control and internal control. The internal control does not require an external controller and can be built in a variety of change modes (up to six), while the external control needs to be equipped with an external control controller to achieve color changes. , The applications on the market are mostly externally controlled.

The LED wall washer is controlled by a built-in microchip. In small engineering applications, it can be used without a controller. It can achieve dynamic effects such as gradation, jump, color flashing, random flashing, and gradual alternation. It can also be controlled by DMX. Achieve effects such as chasing and scanning. Main application areas: single building, exterior wall lighting of historical buildings; building interior light and exterior lighting, indoor local lighting; green landscape lighting, billboard lighting; medical, cultural and other special facilities lighting; bars, dance halls and other entertainment venues Atmosphere lighting, etc.

The LED wall washer is relatively large in size and better in terms of heat dissipation, so the difficulty in design is greatly reduced, but in practical applications, it will also appear that the constant current drive is not very good, and there are many damages. So how to make the wall washer work better, the focus is on the control and drive, control and drive, let’s learn about the LED constant current device. High-power products related to LEDs will all mention constant current drive, so what is LED constant current drive? Regardless of the size of the load, the circuit that keeps the current of the LED constant is called the LED constant current drive. If a 1W LED is used in the wall washer, it is usually a 350MA LED constant current drive. The purpose of using the LED constant current drive is to improve the life and light attenuation of the LED. The choice of constant current source is based on its efficiency and stability, as far as possible to choose a high-efficiency constant current source, which can reduce energy loss and temperature.

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