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What's in the lamppost of the LED street light? What is the function?
Light emitting diodes (LightEmittingDiode, abbreviated as LED) is a semiconductor pn junction formed with weak electricity can light high efficiency solid-state light source based on the forward bias voltage and the injected current, injected into the P region of the hole and injected into the N region electron in diffusion into the active region after radiation and emit a photon, electric can be directly converted into light energy.
Why high pole lamp control switch to the specified time to advance light
Should be the time control switch failure, it is recommended to ask manufacturers to deal with.
Pole 25 meters high, 100 meters in diameter required W
Single disc high pressure sodium lamp 12*400 watts or LED12*200 watts can
LED lamp configuration with traditional lamp compared advantage?
There is not a kind of ah, LED energy saving, environmental protection, small decline. Good but generally high pole lamp lumens, with lamp and light, do you want to compare LED and sodium lamp? LED has a relatively long life, about two times that of sodium lamps
How much is a minimum price of 20 meters high pole lamp? How much is the general price?
Hello, just said that LED as long as 2500 yuan, is not in line with the current market, belongs to defective products.Our LED lamp 240W price of 3600 yuan / lampAs for high-pressure sodium lamp, the whole lamp is not 200 yuan, the price is about 800 yuan.
To achieve the following functions of LED lights, what knowledge do you need to use?
The rod body is generally cylindrical single structure, steel plate rolled, height of 25-40 meters to 25 meters above the new lighting device of steel column type lamp and high power combined lamp frame. It is composed of a lamp holder, lamp, electric rod and base parts. Head shape according to user and the surrounding environment, and specific lighting needs; inside the lamp by the light and light source, generally uses the high pressure sodium lamp and metal halide lamp. Lighting, radius of 60 meters. The rod body is generally cylindrical single structure, steel plate rolled, the height is 15-40 meters.
How to select suitable driving power for LED street lamp
LED street lamp driver. Working outdoors, poor environment, the temperature variation of four seasons a year, the summer sun, winter cold, but also accept the rainstorm, lightning shock, so all kinds of tolerance need to be considered.
18 150W LED cast light lamps installed in the 25 meter high pole lamp is bright enough, how can be irradiated
More than enough, we're producing LED