Self-adaptive light emitting diode (LED) illuminator

The utility model discloses a self-adaptive light emitting diode (LED) illuminator, which comprises a microprocessor, a sensor part, a power supply module and an adjustable constant current driving module, wherein the microprocessor receives sensing signals in real time and controls the output of an adjustable constant current module to change a driving circuit for changing the LED brightness, the sensor part is connected with the microprocessor and is used for detecting various kinds of data information of the illumination environment and sending the data information to a microprocessor unit, the power supply module and the adjustable constant current driving module are connected with the microprocessor, the power supply module is used for supplying electricity to the whole device, and the adjustable constant current driving module is controlled by the microprocessor, outputs the constant current and is used for driving an LED lamp for illuminating. Because of a vehicle lamp sensing function, a movement sensing function, a temperature control function, a time control function or/and a illumination degree sensing function, the self-adaptive LED illuminator has the advantages that the electric energy is saved, the LED heat generation is also reduced at the same time, the LED service life is prolonged, meanwhile, the color temperature of a fluorescent lamp automatically adapts to the change requirement along the external change, and more comfortable illumination environment is provided for users.