基于USB接口的称重装置  

The Weight Measurement Device Based on USB Interface

作　　者：蒋博[1] 

机构地区：[1]同济大学中德学院,上海200092

出　　处：《现代电子技术》2006年第4期55-56,59,共3页Modern Electronics Technique

摘　　要：USB是应用在PC领域的新型接口技术,与传统接口相比有着无可比拟的优越性。综合了USB传输的优越性以及HID类的特点,提出一种基于HID类的简便易行的数据采集装置的方案,使用AN2131和ICL7135,构架了一款高精度,与电脑相连接的具有数据记忆功能的称重器。该设备的设计工作包括硬件电路、USB芯片固件和主机应用程序设计3个部分。USB is a new interface technology which is widely used in the field of PC, possesses lots of advantages compared to the traditional interface technology. This paper introduces a simple and feasible method for data acquisition based on HID class of USB, which takes advantage of the virtues of USB and the features of the HID. The equipment which is based on AN2131 and ICL7135 possesses high accuracy and ability of data memorizing. The design includes hardware circuit, USB firmware and application program.

关 键 词：USB AN2131 称重装置 HID类 

分 类 号：TP334.7[自动化与计算机技术—计算机系统结构]