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In recent years, with the advent of high-power (HI-POWER) ultra-high-brightness LEDs, China Building Materials Network has greatly expanded the application fields of LEDs, and now has a wide range of applications in entertainment, urban building beautification, landscape lighting, etc. And is moving in the direction of everyday lighting applications. For lighting designers and engineers, when designing LED lighting projects, it is necessary to understand the various types of LED luminaires, performance characteristics and common specifications and their application sites. This post will be the most widely used in the past. LED lamp type survey ~ paste, further describes the performance indicators, common specifications of various types of LED lamps and their main applications 2 occasions, and will be accompanied by a graphic description, this sticker is completely free, welcome all colleagues to participate in the discussion. Well, gossip is not much to say, first talk about the most widely used LED outline lights. First, the basic definition: LED outline lights, also known as guardrail lights, digital tubes, etc. (each manufacturer is called different), mainly used to outline the appearance of buildings or other things, its appearance is similar to fluorescent tubes, and can be divided into O Tube and D-shaped tube (Note: there are U-shaped, square, triangular, etc., but not commonly used), the outer cover is generally PC material, can prevent ultraviolet rays, high temperature resistance; Second, the basic parameters: common diameter specifications generally have Ñ„30, Ñ„50 , Ñ„80, Ñ„100, Ñ„110, etc., the color generally has two kinds of milk white and transparent grain, the length is generally 500, 800, 1000, 1200, 1500, etc., generally according to the needs of the project, the number of built-in LED tubes is generally 99, 108, 144 tablets three; Third, the control form: the contour lamp has two control modes: external control and internal control. The internal control can be discolored by itself without an external controller, while the external control must be configured with an external control controller to achieve color change. At present, the application on the market is still outside control; Fourth, the main application and the achievable effect: LED outline light through the control of the microchip, can achieve gradual change, jump, color flicker, random flicker, Alternating, chasing, scanning and other flow effects, can also be controlled by DMX, combined into a screen to achieve the effect of text, pattern changes, currently, LED contour lights are widely used in architectural contours, overpasses, rivers, gardens, lampposts, etc. , has become an ideal choice for decorating the urban environment;