【摘要】 本文介绍了一种非接触液位开关的设计与应用,详细说明了根据电容式传感器理论及高频信号理论设计的非接触液位开关的电路组成及设计细节,主要突出了非接触液位开关的廉价、可靠及易用性,并给出了非接触液位开关的实际应用案例及效果。更多还原

【Abstract】 This article mainly introduced the design and application of a contactless liquid switch, It described the component and de- sign detail of the contactless liquid switch circuit, which is based the principle of capacity theory and high frequency theory, and it emphasized the cheapness, credibility and simpleness of the contactless liquid switch. The application case and results of the contact- less liquid switch were given finally.更多还原