Ionic thermal dissipation device

Abstract

An ionic thermal dissipation device includes an ionic wind generating system and a power system to drive the ionic wind generating system. The power system first converts external direct current power signals into alternating current (AC) power signals, and boosts the AC power signals. The power system doubles voltage of the boosted AC power signals, and rectifies the boosted AC power signals to generate high voltage direct current power signals to drive the ionic wind generating system. The power system also detects current signals generated by ion excitation of the ionic wind generating system, and regulates the high voltage direct current power signals according to the detected current signals.

1 . An ionic thermal dissipation device, comprising:
 an ionic wind generating system; and   a power system, the power system comprising:
 a power stage circuit, operable to converting external direct current power signals into alternating current (AC) power signals; 
 a transformer, operable to boost the AC power signals; 
 a voltage double and rectifier circuit, operable to double voltage of the boosted AC power signals and rectify the boosted AC power signals to generate high voltage direct current power signals suitable to drive the ionic wind generating system; 
 a current feedback circuit, operable to detect current signals generated by ion excitation of the ionic wind generating system; and 
 a pulse width modulation (PWM) controller, operable to control the power stage circuit to regulate the high voltage direct current power signals according to the detected current signals. 
   
     
     
         2 . The ionic thermal dissipation device of  claim 1 , wherein the current feedback circuit is connected to a low voltage end of a secondary winding of the transformer and the PWM controller, and detects the current signals from the low voltage end of the secondary winding of the transformer and feedbacks the detected current signals to the PWM controller. 
     
     
         3 . The ionic thermal dissipation device of  claim 2 , wherein the current feedback circuit comprises:
 a diode, comprising an anode connected to the low voltage end of the secondary winding of the transformer and a cathode connected to the PWM controller;   a resistor, connected between the cathode of the diode and the ground; and   a capacitor, connected between the cathode of the diode and the ground.   
     
     
         4 . The ionic thermal dissipation device of  claim 1 , wherein the ionic wind generating system comprises:
 an emitting pole, operable to receive the high voltage direct current power signals to excite ions; and   an receiving pole, operable to receive the ions excited by the emitting pole.   
     
     
         5 . The ionic thermal dissipation device of  claim 4 , wherein the current feedback circuit is connected to the receiving pole of the ionic wind generating system and the PWM controller, and detects the current signals from the receiving pole of ionic wind generating system and feedbacks the detected current signals to the PWM controller. 
     
     
         6 . The ionic thermal dissipation device of  claim 5 , wherein the current feedback circuit comprises:
 a diode, comprising an anode connected to the receiving pole of the ionic wind generating system and a cathode connected to the PWM controller;   a resistor, connected between the cathode of the diode and the ground; and   a capacitor, connected between the cathode of the diode and the ground.