How to identify the led ball steep light quality stand or fall
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1. See the lamps and lanterns of the shell. The lamps and lanterns of high quality shell parts connected from top to bottom, aperture size uniform. Lamps shell color is pure, no variegated finish is better. Shell have qualitative feeling more, the lamps and lanterns is in your hands have graveness. And inferior the lamps and lanterns of cohesion is not tight, dislocation phenomenon, sprayed osmosis phenomenon. Lamps and lanterns with makings is not reality, press with finger flat shell has a concave phenomenon.
2。 Look at the cooling performance. Solar street lamps at work while the heat without the traditional sodium lamp, but quantity of heat also is not small. So the good heat dissipation is a must, responsible for will affect the life of the light source. About the heat, we can use a thermometer or hand to direct perception, and the comparison. The same power, the same time, the lower the temperature, the better.
3。 The lead. Lead though proportion in the whole cost of lamps and lanterns is very low, but from the small place we can find that the difference between normal manufacturer and small workshops. Responsible manufacturer will use high quality suitable degree of copper wire as the lead, and some manufacturers in order to save costs, cut corners, using aluminum conductor instead of copper wire, even a discount on the wire thickness. This seriously affected the electrical conductivity, thus can produce bad influence to the efficiency of lamps and lanterns.
4。 Look at the lens. High quality lens not only has good light distribution effect, and pervious to light performance is excellent. Good lens looks pure degree is higher, good luster.
5。 See the bolt. Though ordinary users cannot through professional tools and methods to determine the luminous efficiency of lamps and lanterns and other professional problem. But through the observation, such as the bolt of form a complete set of lamps and lanterns, we can from the side to see whether the lamps and lanterns manufacturer is responsible for. Whether doing products. Bolts must be completely conform to the standards of good lamps and lanterns, optimization is made of stainless steel, the second with galvanized bolts. And silk tooth and bolt fits nicely inside the lamp, there will be no loose phenomenon.