Clothes humidity detection device for clothes dryer
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The invention discloses a clothes humidity detection device for a clothes dryer. The device comprises an isolated power supply conversion module, a detection ring module, a signal conversion module, a signal isolation module and a signal processing module, wherein the isolated power supply conversion module is electrically connected with and supplies power to the signal conversion module, the signal isolation module, the detection ring module and the signal processing module; the detected high-voltage signal is processed into a low-voltage signal and is transmitted to a central processing unit (CPU); therefore, the operating accuracy is improved, the high-voltage signal is isolated, the product safety is improved, and the control circuit is simple and is easy to implement; meanwhile, the signal and a main processor are isolated, a leakage shock event is absent, a signal conversion module circuit is convenient to debug and replace and the signal can be processed customarily by only changing reference circuit parameters; and the invention is easier and more direct to implement.