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摘要本论文是对于传统继电器弱电选线系统的改进，以模块取代继电器，通过总线技术在模块与模块以及计算机之间实现信号通讯，通过上位机编程方便快捷的实现如自保持、闭锁、延时、脉冲等功能。本论文主要设计了弱电选线控制电路、弱电中央信号系统以及断路器位置信号回路。在断路器弱电选线控制部分，详细介绍了自动复归、误选复归、对象选择以及对象闭锁等功能。弱电中央信号系统包括事故信号回路、预告信号回路和闪光信号回路，并且具备亮暗屏操作功能。在弱电中央信号系统中对各回路的原理和作用进行了详细的介绍。由于上位机使用了组态王控制系统，因此文中还简要介绍了模块的硬件连接和组态王的编程方法。64282
毕业论文关键词 弱电选线 模块 中央信号系统 组态王 编程
毕业设计说明书（论文）外文摘要
Title Weak line selection circuit design based on the distributed modules
Abstract This paper is for the traditional relays weak line selection system improvements，use the module replace the relay, use the bus technology to realize signal communication between the module and the module as well as computer. Through PC programming we can realize the functions such as self-sustaining, lockout, delay, pulse and so on easily and quickly. In this paper, it includes weak line selection control circuit of the breaker, weak line central signal system, breaker position signal circuit. In the section of weak line selection control circuit of the breaker, it introduced the functions of automatic reset, mistakenly selected reversion, object selection and object locking in detail. In the weak line central signal system, it contains incident signal circuit, warning signal circuit and flash signal circuit, and it has the operating functions of bright screen and dark screen. In the section of weak line selection control circuit of the breaker, it introduced the functions of automatic reset, mistakenly selected reversion, object selection and object locking in detail. It describes working principle and effect of every circuit. Due the host computer adopt King View control system, the paper also briefly describes the method of the module hardware connection and King View programming hair.
Keywords weak line selection central signal system King View program
1 引言 1
1.1 课题背景及意义 1
1.2 设计要求 2
2 选线回路设计及原理 3
2.1 断路器跳合闸回路 3
2.2 弱电选线回路 4
3 故障信号回路 6
3.1 闪光信号及位置信号回路 6
3.2 故障音响信号回路 7
4 预告信号灯光及音响回路 9
4.1 预告信号灯光回路 9
4.2 预告信号的音响回路 10
5 亮暗屏操作回路 11
6 泓格模块的选型与介绍 12
6.1 7017模块 12
6.2 7065D模块 13
6.3 7520模块 14
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