How to identify integration ceiling LED flat light quality

the LED lamps and lanterns is compared with the other lamps and lanterns, advantage is very outstanding, energy saving, long life, green environmental protection. But, LED lamps and lanterns is the difference in quality, consumers don't know how to choose? Given the current plate lamp market price fighting vicious competition, a large number of unqualified products listed ( Experts say the ( Poor bastard, cargo, cargo) , has violated the LED energy saving, long life, environmental protection etc. The real value, against the will of LED technology is applied to the significance in the field of integrated ceiling, and seriously affected the healthy development of the integrated ceiling LED flat light. How to distinguish between the advantages and disadvantages of LED lamps and lanterns, from the following several aspects:

a, the power factor of the whole lamps and lanterns: low power factor, the use of drive power supply, circuit design is not good, will greatly reduce the service life of lamps and lanterns, low power factor, again use the lamps and lanterns of good lights, life is not long.

power factor high and low, with a power factor meter can detect! General export commercial ceiling lamps power factor requirements to 0. More than 85. The power factor is lower than 0. 5, it should be said or there is unqualified products, not only the life is short, and the actual consumption quantity is one times higher than the nominal or so, that is, with the ordinary energy-saving lamps, have no electricity! So, this is why the LED lamps and lanterns need equipped with high quality and high efficiency drive power!

there is no power factor meter consumers, there is another way to current meter is used to detect two nominal power of the same similar products, the bigger current and harmonic current, explain actual consumption quantity is big, also the less electricity saving! At the same time, the current is not stable, adverse to the lamp bead lifetime and the lifetime of the whole lamps and lanterns!

2, see the lamps and lanterns cooling conditions - Material, structure, LED lamps and lanterns of heat dissipation is also very important, with the same power factor of lamps and lanterns and the quality of lamp bead, if the cooling condition is bad, lamp bead work under high temperature, the light failure will be very big, lamps and lanterns of life will be reduced.

at present, the main heat dissipation material of copper, aluminum, PC, of thermal conductivity of copper is better than aluminum, aluminum heat conduction and is better than a PC, used now integration ceiling plate lamp material most commonly use aluminum radiator, the best to insert aluminum, aluminum car ( Aluminum, aluminum) The worst of times, is cast aluminum, aluminum insert heat dissipation effect is best!

3, see light bead quality: lamp bead quality depends on the chip quality and packaging technology.

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