The new light source of HPLED special street lamp adopts the technology of constant voltage and constant current, secondary optics technology, harmonic processing, etc. It has the characteristics of low power consumption, high brightness and long service life. The new light source of HPLED special street lamp fills the energy saving blank of street lamp. The technical synthesis prevents the defect of the deterioration of the luminescent material caused by the excessive current flowing through the Led Light-emitting diode, so that the illuminance brightness is stabilized. The ambient light sensor, the photoelectric conversion circuit, and the PWM constitute a light control adjustment circuit, and the ambient light sensor collects the luminous intensity of the street lamp, and is converted into a corresponding output signal, and then compared with the reference voltage, and transmitted to the PWM circuit for negative feedback adjustment, so that the LED The street light works at its best.
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