论述了电子皮带秤最常见的故障及其原因,并提出了一种作者自行研制的无速度传感器的电子皮带秤的原理及实现方法。 关键词:电子秤;速度传感器;单片机;测量精度 Abstract : The breakdown and reason for weight measure applying to leather belt is discussed. The principle and realizing method of weight measure applying to leather belt without speed sensor are presented. Key words : electronic weight measure ; speed sensor ; microcomputer ;measuring precision