1. The primary factor is the influence of the quality of the die on the life of the LED explosion-proof lamp:
In the manufacturing process of LED chips, the contamination of other impurity ions, lattice defects and other processes will affect their lifespan, so the use of high-quality LED chips is the primary condition.
2. Lamp design affects the reasonable design of LED lamps. In addition to meeting other indicators of lamps, a key issue is to dissipate the heat energy generated when the LEDs are lit. Using high-quality original LED products from companies such as Cree on different lamps, the LED lifespan can vary several times or even dozens of times. For example, for the integrated light source lamps currently on the market (single 30 W, 50 W, 100 W), the light source of these products is not well dissipated in the contact part with the heat dissipation channel, which results in some products causing light after 1-3 months of lighting. The light decay is more than 50%. After some products use a small power tube of about 0.07 W, due to the lack of a reasonable heat dissipation mechanism, the light decay is very fast. These products have low technical content, low cost and short lifespan.
3. Lamp power is very important to the life of LED explosion-proof lamps:
Whether the power supply of lamps and lanterns is reasonable will also affect their lifespan. Because LEDs are current-driven devices, if the power supply current fluctuates greatly, or the frequency of power supply spikes is high, it will affect the life of the LED light source. The life of the power supply itself mainly depends on whether the power supply design is reasonable. Under the premise of reasonable power supply design, the life of the power supply depends on the life of the components.
4. The influence of ambient temperature on the life of LED explosion-proof lamps:
Now the short life of LED lamps is mainly due to the short life of the power supply, and the short life of the power supply is due to the short life of electrolytic capacitors. Another feature of the life indicator of electrolytic capacitors is that it must indicate the life under the operating ambient temperature of how many degrees, and it is usually specified as the life under the ambient temperature of 105 °C. The lower the ambient temperature, the longer the life of the capacitor. Even the most common electrolytic capacitor with a life of 1,000 hours can have a life of 64,000 hours at an ambient temperature of 45°C, which is enough for an ordinary LED lamp with a nominal 50,000 hours. used.
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