Purchasing solar street lights requires attention to five traps

Today, solar street lights and LED street lights are important lighting facilities for urban development. The quality is the most important place for outdoor lighting projects, rather than the price of solar street lamps and LED street lamps. However, the market price of solar street lamps is different. The quality of solar street lamp manufacturers is uneven. Many reasons are that in the Chinese market, LED street lamp manufacturers and solar street lamp manufacturers have weak patent awareness and lack of innovation. Reducing costs in materials, processes, etc., leading to a significant bad impact on the quality of LED solar street lights, often seeing the street lights use a period of time after the dark, or various problems. This is even more difficult for streetlights such as outdoor high-rise installations. For streetlight managers, unstable product quality increases maintenance costs. Today, I will specifically analyze the five pitfalls to be paid attention to when purchasing solar LED street lamps.

First, counterfeit chips, low-end chips

The core of LED luminaires is the chip, which directly determines the performance of the luminaire! However, some unscrupulous manufacturers take advantage of the customer's unprofessional, from the cost considerations, the use of low-cost chips, allowing customers to buy low-quality products with high unit prices, causing direct economic losses, and causing serious quality hazards to LED lamps.

Second, configure virtual labels and exaggerate configuration parameters.

The fiery heat of solar street lamps is also accompanied by the reduction of price profit. The fierce competition has also led many solar street lamp manufacturers to start to cut off the parameters of the product standard, the wattage of the light source, the wattage of the solar panel, the battery capacity, and even the solar street light pole. All are in question. Of course, this is also caused by customers repeatedly comparing prices, requiring low prices, and also related to some manufacturers' practices.

Third, poor heat dissipation design and unreasonable configuration

In terms of heat dissipation design, for every 10 degrees increase in the PN junction temperature of the LED chip , the lifetime of the semiconductor device is multiplied. Due to the high brightness requirements of LED solar street lamps, the use environment is harsh. If the heat dissipation is not well solved, the LED will be aging quickly and the stability will be reduced. In addition, unreasonable configuration often leads to the use of specific values not expected.

Fourth, copper wire posing as a gold wire and controller problem

Many LED manufacturers are trying to develop copper alloys, gold-clad silver alloy wires, and silver alloy wires to replace expensive gold wires. Although these alternatives are superior to gold wires in some characteristics, they are much worse in terms of chemical stability. For example, silver wire and gold-coated silver alloy wires are susceptible to sulfur/chlorine/bromination corrosion, and copper wires are easily oxidized and vulcanized. For encapsulated silica gels similar to water-absorbing and breathable sponges, these alternatives make the bond wires more susceptible to chemical attack, the reliability of the light source is reduced, and the LED lamp beads are more susceptible to wire breakage. In the solar street light controller, if there is a fault in the controller, during the test and inspection process, “the whole lamp will be extinguished”, “the switch light will not be on time”, “partial damage”, “individual LED lamp bead dead light”, “ The whole lamp flashes brightly.

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