本文对BYF-1型在线X荧光分析仪系统作了分析讨论。分析系统由取送样系统、在线X荧光分析仪主机及联机控制与数据处理用小型电子计算机三大部分组成。介绍了测量头传动及定位;测量头结构(光学部分设计原则及实际参数)及有关指标;高压电源的高压变压器设计; This article analyzes and discusses the BYF-1 X-ray fluorescence analyzer system. The analysis system is composed of three parts: sample delivery system, on-line X-fluorescence analyzer and on-line control and data processing small electronic computer. Introduced the measurement head drive and positioning; measuring head structure (optical part of the design principles and the actual parameters) and related indicators; high-voltage power transformer design;