unit loop meaning in English

单元环

Hardware circuit includes the unit loop circuits such as main loop circuit , drive circuit , control circuit , protective circuit , the circuit of power source and displaying circuit etc . the function that the induction cooker can realizes are mainly as follows : heat function , warm function , time function , no pan detecting and alarm function , which includes overheat alarm , over voltage or under voltage alarm , fan failure alarm etc . the displaying interface has digital number display indicator and vacuum fluorescent display
硬件电路主要包括主回路、激励电路、控制电路、保护电路、电源电路和显示电路等单元回路，主要实现的功能如下：加热功能、定温功能、定时功能、无锅检测功能、报警功能，具体包括过热报警、过压或者欠压报警、风扇失效报警等。显示界面有数码管显示和真空荧光屏显示。