This article introduces a data collection technology in brake test detection system for type DJF 1 EMU. How to use multi-thread technology to achieve reliable and high-speed data collection under the Win dows platform is also put forward.

• 介绍了DJF1型交流传动电动车组制动试验检测系统的数据采集技术及如何在Windows环境下利用多线程技术实现高速、可靠的A/D数据采集。