Led Street Light Philips

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FAQ

For the LED street light distribution, is it better to use a lens or a reflector?

Lens better point: the lens can be arbitrarily better match light, mold work is better than using reflective glass, the price of natural cheap

I have just entered the line, I would like to know what the main quality of LED street lighting?

I am a technician of LED power supply company, and I have been working for several years.

The power supply of LED street lamp has no influence on the grounding power. The possibility that the power supply will burn out is not big enough

Useless influence. I need solar street lights. I'm a manufacturer,

How much is the power supply voltage of street lamp LED?

You should ask the power output voltage, to see what you are used, for example, you choose the constant voltage power supply, the output is generally 12V, 24V two, is 24V, if you choose the constant current power supply, the power supply and your W number is the number of MA, general the lamp should be more than 700MA,

The same brand of chips, how to judge the quality of LED lights?

Should pay attention to the cooling system for street lamp, street lamp cooling system is now divided into three types, one (die-casting aluminum (aluminum), two (three), Qi tablets) but also pay attention to the radiator is enough, there are many manufacturers have 90W heat lamps, used to install 120W to save the cost, so that his cooling system will follow no, my colleagues decay is relatively large

Why is the higher the current, the lower the light efficiency?

The reason is simple, because the current increases, the power of the lamp increases greatly, but the relative luminous flux increases not in proportion. That is, power increases faster than light flux increases. So if you increase the current, the light will decrease. But the brightness will increase.

What are the prospects for the development of intelligent LED street lamps?

LED Street overall environment tends to be stable, but due to the change of government, corruption and other objective factors, this year LED Street speed was significantly lower than expected, the growth rate slowed down, showing the situation, the market is more rational. According to the Chinese LED lighting industry market outlook and investment strategy planning analysis report "shows prospective", in recent years, Chinese LED lamp market penetration (installation number) on the rise, more than 7% in 2011, reaching 11% in 2012, 2013 LED street market penetration is about 19%. In 2015, China's LED street lamp market reached 23 billion yuan, the overall market penetration of China's LED road lighting products will exceed 45%, and the market space is enormous.

The design idea of LED intelligent energy-saving street lamp

I do street power supply, single road constant flow, character ratio is very high