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该实用新型由降压电路、整流滤波稳压电路,时间控制电路,开关电路及红外热辐射器构成、交流输入信号V_(0.1)经降压,整流滤波稳压电路后输出直流电压信号V_a,经时间控制电路后的输出信号V_b输入开关电路,该开关电路另有一中输入信号V_(02)是交流输入信号,其输出信号是外包络呈现周期性变化的交流电压调制信号,并加入红外热辐射器(中国专利号:96233846.X)(NO.76)
The utility model is composed of a buck circuit, a rectification and filtering regulator circuit, a time control circuit, a switch circuit and an infrared heat radiator, wherein the AC input signal V_ (0.1) is stepped down and the rectification and filtering regulator circuit outputs the DC voltage signal V_a, The output signal V_b after the time control circuit is input into the switch circuit. Another input signal V_ (02) of the switch circuit is an AC input signal whose output signal is an alternating voltage (AC) voltage signal with a periodic change of envelope, Heat radiator (China patent number: 96233846.X) (NO.76)