【摘要】 目前 ,市场上常见的杆式秤和弹簧秤等计量器具已逐步被淘汰 .因而 ,具有商用价值的便携式电子秤的研制受到了人们的高度重视 .鉴此 ,提出了高性能、低成本的普及型电子秤的全电子线路设计方案 .介绍了信号处理电路的设计思路 ,给出了具体的硬件设计框图 ,详述了称重计量的关键部件———称重传感器中弹性体的具体设计方法 .此种方法较好地解决了电路设计中的关键问题 ,如电源的处理、提高测量精度等更多还原

【Abstract】 More attention has been paid on the development of the portable digital balance with commercial worth since the usual measurers have been unpopular,such as pole balance,spring balance,and some others.The scheme of the portable digital balance with high performance and low cost is put forward.The ideas for the signal process circuit is introduced,and the specific hardware chart is made.The key parts of the weigh sensor,elastomer are specified.Moreover,the problems to deal with the current and the improvement on the accuration have been solved.更多还原