How to choose the right household LED lights?

Energy-saving lamps have been withdrawn from the stage of history. At present, almost all household LED lamps are in the market. However, there are many kinds of LED lamps in the market.

LED lamps are actually composed of three parts: drive, light source plate, radiator. First of all, we talk about the drive, normal household led bar light generally choose non-isolated drive, this drive cost is general, high efficiency, reliability is also good, in the voltage fluctuation when the lamp can work normally without being affected. But in order to spell the price on the market at present, many enterprises will use resistance capacity step-down or linear power supply to replace the isolated power supply, linear the two power supply shock resistance capacity and ability is very poor, near a thunder surge voltage are mostly a few bad, can only work in setting the voltage, such as our country’s 220 v, as long as the voltage fluctuation on the lamp also follow fluctuations, So when you buy, you must look at the input voltage range, resistance and capacitance and linear generally write 220-230V voltage, non-isolated power supply generally write 175-250V some can be 110-250V voltage fluctuations have no effect on the lamp, the chip inside will automatically adjust the square wave duty ratio to achieve output stability, So be sure to look at the input voltage range when choosing.

Secondly, we talk about the light source plate, most of the LED light source is welded on the aluminum substrate, the advantages and disadvantages of the light source is difficult to see with the naked eye, but generally with a few years is not a problem, but you can see the color temperature of the packaging lamp, generally choose 6000K is better, like European and American countries like 3000K color temperature, As yellow as the sun rising in the morning. Our domestic like a little white, is generally 6000K like the sun at noon, white, but more dazzling, it is best to choose 4000K the kind of light source, more moderate. If the light exceeds 6000K, the light is already bluish, which is called blue light hazard, so do not choose the color temperature above 6000K.

Finally, the radiator, because the LED light source is to heat when it works, the heat is not exported in time will damage the LED, so the radiator is needed. The ball bubble on the market is plastic wrapped aluminum radiator, that is, you feel plastic, there is a layer of aluminum inside. LED power is bigger, quantity of heat is bigger also, general come loose body has maximum power limit, when buying a lamp so, must not covet power is big, buy A60 not to exceed 10 watts commonly, exceed life can discount.

The last tip to buy lights when do not coax cheap, especially guangdong Zhongshan goods! Guangdong Zhongshan products! Guangdong Zhongshan products! Woe betide him who buys.

You get what you pay for the price. If you can afford it, buy top brands: Philips, Osram. Secondly, you can buy domestic first line: Foshan lighting, sunshine lighting these traditional domestic factories, the general quality is also good.

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