Solar panels can absorb solar energy directly and turn the luminous energy into electricity. It is the first link in the entire work system of solar road stud. Its working efficiency directly determines the efficiency of solar road stud. At present, the monocrystalline silicon solar panels are widely used because of the higher photoelectric conversion rate of monocrystalline silicon solar panels, which is about 14%. It can convert the solar energy to electrical energy to the greatest extent to ensure the solar energy supply of solar road stud. In addition, the solar panels must be the circuit board of high hardness and wear resistance. Solar panels need to withstand the rolling and wear of wheels every day, if the strength is not enough, it is easy to wear, which would influence the conversion efficiency of solar panels.
The design of the circuit board must follow the principle of simple and effective. One more circuit would bring one more possibility of malfunction. Electronic components should also be selected strictly. The whole system of road stud may break down if any component goes wrong.
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