針對(duì)一般糧食烘干和加工過(guò)程中的料位測(cè)量問(wèn)題,提出了一種新型的電容式料位傳感器設(shè)計(jì)方法,通過(guò)該傳感器的測(cè)量原理及其結(jié)構(gòu)的分析,設(shè)計(jì)出了以新型單片機(jī)ADμC812 為核心的傳感器測(cè)量電路。工程實(shí)踐證明,這種傳感器結(jié)構(gòu)簡(jiǎn)單,測(cè)量準(zhǔn)確度高,工作穩(wěn)定可靠,適應(yīng)性強(qiáng),能在惡劣環(huán)境中工作。
關(guān)鍵詞: 電容式傳感器; 單片機(jī); 料位檢測(cè)
Abstract : For the material level measurement of grain manufacture ,a method of designing new type of capacitive materi2 al level transducer is introduced in this paper ,and the hardware is designed which the new type of single chip processor ADμC812 is applied. The experiments in application show that the transducer is proved to be excellently designed and has high precision and stable performance ,and it is qualified for application of practical projects in wretched circumstance.
Key words : capacitive transducer ; single chip processor ; material level measurement