中国西部科技
中國西部科技
중국서부과기
SCIENCE AND TECHNOLOGY OF WEST CHINA
2015年
6期
20-23
,共4页
张建平%刘焦萍%李壮%曹国喜
張建平%劉焦萍%李壯%曹國喜
장건평%류초평%리장%조국희
体重计%电阻应变片传感器%单片机%A/D
體重計%電阻應變片傳感器%單片機%A/D
체중계%전조응변편전감기%단편궤%A/D
Scale%Resistance Strain Gage Sensor%MCU%A/D
体重是体质测试的基本测试项目之一，随着社会的进步、科技的发展，传统的纯机械的体重测量仪逐渐被淘汰，取而代之的是以电子和机械相结合的简易体重测量仪。该系统以单片机8051为核心部件，它包括信号采集、电压转换、信号放大、A/D 转换、LED 显示等。通过电阻应变式称重传感器来采集外来信号，然后进行电压转换，通过放大电路把传感器采集来的信号放大，再通过 A/D 转换器，把模拟信号转换成数字信号传给单片机，再由汇编语言编制的软件程序对输入的信号进行采集、判断、分析、处理、运算，最终结果通过LED显示器显示出来。
體重是體質測試的基本測試項目之一，隨著社會的進步、科技的髮展，傳統的純機械的體重測量儀逐漸被淘汰，取而代之的是以電子和機械相結閤的簡易體重測量儀。該繫統以單片機8051為覈心部件，它包括信號採集、電壓轉換、信號放大、A/D 轉換、LED 顯示等。通過電阻應變式稱重傳感器來採集外來信號，然後進行電壓轉換，通過放大電路把傳感器採集來的信號放大，再通過 A/D 轉換器，把模擬信號轉換成數字信號傳給單片機，再由彙編語言編製的軟件程序對輸入的信號進行採集、判斷、分析、處理、運算，最終結果通過LED顯示器顯示齣來。
체중시체질측시적기본측시항목지일，수착사회적진보、과기적발전，전통적순궤계적체중측량의축점피도태，취이대지적시이전자화궤계상결합적간역체중측량의。해계통이단편궤8051위핵심부건，타포괄신호채집、전압전환、신호방대、A/D 전환、LED 현시등。통과전조응변식칭중전감기래채집외래신호，연후진행전압전환，통과방대전로파전감기채집래적신호방대，재통과 A/D 전환기，파모의신호전환성수자신호전급단편궤，재유회편어언편제적연건정서대수입적신호진행채집、판단、분석、처리、운산，최종결과통과LED현시기현시출래。
Nowadays, the mechanical scales have been replaced by electronic scales. In this paper, we designed a scale system based on 8051 MCU, which included signal acquisition, voltage conversion, signal amplification, A/D conversion, and LED display parts. The external signals were collected by resistance strain weighing-sensor, and then were amplified through the voltage conversion by amplifier-circuit. The analog signals were translated into digital signals by the A/D converter, and sent to the microcontroller, where the digital signals were collected, valued, analyzed and calculated through a software made by assembly language. Finally, the results were displayed through the LED monitor.
