Talking about the five traps to pay attention to when purchasing solar street lights

2021-01-09

First, the core of counterfeit chips and low-end chips LED Lamps is the chip, which directly determines the performance of the lamp! However, some unscrupulous manufacturers take advantage of customers' unprofessionalism and use low-cost chips from the perspective of cost, which causes customers to buy low-quality products at a high unit price, causing direct economic losses and causing serious quality risks to LED lamps.

Second, configure virtual labels and exaggerate configuration parameters

The fierceness of solar street lamps is also accompanied by the reduction of price and profit. The fierce competition has also led to many solar street lamp manufacturers beginning to cut corners and false standard product parameters, such as the wattage of light source, the wattage of solar panels, the capacity of batteries, and even the use of Solar Street Light Poles. The materials are all in problems. Of course, this is also caused by customers' repeated price comparisons and low prices. It is also related to the practices of some manufacturers.

Third, poor heat dissipation design and unreasonable configuration

In terms of heat dissipation design, every time the PN junction temperature of the LED chip increases by 10 degrees, the life of the semiconductor device will be reduced by multiples. Due to the high brightness requirements of LED solar street lights, the use environment is relatively harsh, if the heat dissipation is not solved well, it will quickly cause LED aging and reduce stability. In addition, unreasonable configuration often leads to specific usage conditions that fall short of expectations.

Fourth, the copper wire pretending to be gold wire and the controller problem

Many LED manufacturers try to develop materials such as copper alloy, gold-clad silver alloy wire, and silver alloy wire to replace expensive gold wires. Although these alternatives are superior to gold wires in some properties, they are much worse in terms of chemical stability. For example, silver wires and gold-coated silver alloy wires are susceptible to sulfur/chlorine/bromination corrosion, and copper wires are prone to oxidation and sulfide. For the encapsulated silica gel similar to the water-absorbent and breathable sponge, these alternatives make the bonding wire more susceptible to chemical corrosion, the reliability of the light source is reduced, and the use time is long, and the LED lamp beads are more likely to break and die. Regarding the Solar Street Light controller, if the controller is faulty, during the test and inspection process, "the whole light is off", "the light is not switched on time", "partially damaged", "individual LED lamp bead dead light", " The whole lamp flickers and ignited."

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