Water quality detection circuit and method for water storage tank of oxyhydrogen breathing machine

The invention provides a water quality detection circuit and method for a water storage tank of an oxyhydrogen breathing machine in the field of oxyhydrogen breathing machines. The circuit comprises an MCU, a bipolar square wave excitation source, a TDS probe, a water storage tank TDS interface, a bipolar-to-unipolar circuit and a temperature sensor. One end of the water storage tank TDS interfaceis connected with the TDS probe and the temperature sensor, and the other end of the water storage tank TDS interface is connected with the bipolar square wave excitation source, the bipolar-to-unipolar circuit and the MCU. One end of the MCU is connected with the bipolar square wave excitation source, and the other end of the MCU is connected with the bipolar-to-unipolar circuit. The water quality detection circuit and method have the advantage that high-precision detection of water quality is realized. 本发明提供了氢氧呼吸机领域的一种氢氧呼吸机储水箱的水质检测电路及方法，电路包括一MCU、一双极性方波激励源、一TDS探针、一储水箱TDS接口、一双极性转单极性电路以及一温度传感器；所述储水箱TDS接口的一端分别与TDS探针以及温