电路板的制造在电子产品生产生命周期中占有重要地位,而在电路板生产的各个工序中,电路板的质量管控是最重要的一环。FCT系统专门用于检验电路板焊接质量。本文介绍了一款基于三层结构及多任务队列的电路板FCT系统设计方案。首先,介绍了FCT系统硬件设备的构成和说明;然后,介绍了FCT系统上位机软件的整体架构、功能模块的划分以及各个模块的详细功能,重点介绍了本方案中上位机软件在技术上的突出实现方式,包括采用3层结构的分层模式、ORM(对象关系映射)以及多任务队列等;最后,给出了FCT系统工作的程序流程图。通过FCT系统的硬件及软件设计,完美解决了电路板的质量检验问题。

The manufacturing of circuit boards plays an important role in the life cycle of electronic product production,and in each process of circuit board production,quality control of circuit boards is the most important link.The FCT system is specifically used to inspect the quality of circuit board soldering.This article introduces a design scheme for a circuit boss FCT system based on a three-layer structure and multi task queue.Firstly,the composition and explanation of the hardware equipment of the FCT system are introduced.Then,the overall architecture of the upper computer software of the FCT system,the division of functional modules,and the detailed functions of each module are introduced.The outstanding technical implementation methods of the upper computer software in this scheme are emphasized,including the three-layer hierarchical pattern,ORM (Object Relationship Mapping), and multi task queue.Finally,a program flowchart of the FCT system's operation is provided.Through the hardware and software design of the FCT system,the problem of quality inspection of circuit boards has been perfectly solved.