Patent ID: 9408264
Filing Date: 2016-08-02
CPC Classification: H05B,Y02B

Claim Text:
1. A lamp control system with various control ways, comprising: an AC power source; the AC power source being an LED driving power; a wave generator connected to the AC power source for generating driving signals with pre-determinant waveforms based on switching actions from the AC power source; the wave generator being an optical coupler for generating optical coupling signals which are rectangular waves; a driving circuit connected to the power source for converting power from the AC power source into analog signals and for voltage steadiness to provide power to other elements; the driving circuit including an AC to DC circuit and a voltage regulating circuit connected to an output end of the AC to DC circuit; and the voltage regulating circuit being a low voltage difference and linear voltage regulating integrating circuit; and a lamp set receiving power from the driving circuit to drive the lamp set; and the lamp set being an LED lamp set; a microprocessor receiving power from the lamp set as driving power thereof and receiving signals from the wave generator as driving signals; a switching circuit connected to the lamp set for actuating or de-actuating the lamp set so as to light up or distinguish the lamp set; the switching circuit being connected to the microprocessor and receiving the signals from the microprocessor for operating the lamp; the switching circuit also controlling current flowing through the lamp set and thus controlling the illumination of the lamp set; a sensing circuit connected to the microprocessor; the sensing circuit serving to detect variations of environment illuminations and then transferring detecting signals to the microprocessor to cause the microprocessor to control the switching circuit to operate the lamp set; and an illumination setting circuit connected to the microprocessor by which a user can set illumination of the lamp set; and the illumination setting circuit being connected to an illumination storage unit of the microprocessor; and wherein two input ends of the optical coupler are connected to two phases of the AC power source; one output end of the optical coupler is connected to a signal input end (AD the switching circuit is a field effect transistor; a drain (D) electrode of the field effect transistor is connected to a negative electrode of the LED lamp set; the S electrode of the field effect transistor is connected to a negative gate of the driving circuit; the gate (G) of the field effect transistor is connected to the pulse width modulation signal output end of the microprocessor which serves to provide pulse width modulation signals to the field effect transistor for opening or closing the field effect transistor; the pulse width modulation signal from an output end of the microprocessor generates pulse width modulation signals continuously to drive the field effect transistor and thus the LED lamp set lights up.