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Causes of damage to led tube light

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1.led lamp to damage one of the reasons: poor quality lamp beads

LED tube lamp beads are not good, the rest of the spare parts such as aluminum substrate, driver, housing kit with good again is useless.

LED tube lamp beads are bad the main performance 1.

Is extremely low luminous efficiency, luminous flux is not high, even lower than the luminous efficiency of traditional fluorescent lamps,

even if the power to 20W30W luminous flux (brightness) is still very low users buy the installation found than the original fluorescent lamp is still dark;

LED tube light beads bad main performance 3: light decay is very large, half a year brightness drop by more than half.

LED tube lamp beads bad main performance 4: easy to die lamp beads, the appearance of the performance is not bright or a section of local not bright.

LED tube lamp beads bad main reasons: led lamp beads chip size is small resulting in low light efficiency, light decay;cheap PP low-quality PPA plastic bracket fragile leading to internal wire fracture failure,

pads using iron bracket easy to oxidation rust sulfide leading to low light, dark and purple, while poor thermal conductivity, high chip temperature, light decay.

LED tube lamp beads are not good for the following main reasons.

LED lamp beads chip size is small resulting in low luminous efficiency, light decay; cheap PP low-quality PPA plastic bracket fragile leading to internal wire fracture failure.

Solder plate using iron bracket easy to oxidation rust sulfide lead to low light, dark and purple, while poor thermal conductivity, high chip temperature, light decay.

2.led lamp damage reason two: built-in drive power short life, no protection

led lamp built-in driver power supply is not good for the main performance 1:

use a few months to start flashing, or slightly better a year and a half large proportion of the beginning of flashing, flashing a few months later completely dead light;

The main reason is the use of drive capacitor life is very short,

low-end products on the market drive electrolytic capacitors have been low to no bottom of 2000-3000 hours.

Normal use is usually about 5000-6000 hours of electrolytic capacitors, usually can use about three years;

must be used for lighting 105 degrees 10000 hours, usually life expectancy in more than five years.

The main performance of the led lamp’s built-in drive power supply is not good 2.

Just installed soon, that is, a part of the light began to damage for no reason, especially in the summer thunderstorm,

or with large equipment frequently start and stop occasions, occasions with large surges.

The main reason is that the output has no electrolytic capacitor, the ripple added to the lamp beads is very large,

and the large ripple can easily lead to the accidental death of the lamp beads.

In addition, there is no effective surge absorption circuit at the 220V power input ,

or completely simple rectifier current limit without protection, a surge may kill a large number of lights.

The built-in driver circuit for the lighting is set up with a large capacity absorption circuit, to achieve a higher level of indoor lightning and surge protection of 2500V,

in addition, the output is set up with 2.2uF/400V ripple absorption circuit, so that accidental damage rarely and rarely occurs in the LED lamps for the lighting.

The above two, for LED lamp damage, are fatal causes.

3. How do users select the LED lamps that are not easily damaged?

When users buy, usually focus on a few points can be.

(1), how much luminous efficiency, can reach 140-150lm / W or so (the current industry ultra-high luminous efficiency), or about 60-80;

(2), the driver is not constant current, electrolytic capacitor life is long,

is 2000-3000 hours, 5000-6000 hours, or 8000-10000 hours, directly related to the final life of the LED tube length.

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