一种新型LKJ显示屏稳压电源电路的设计  

New Design on Circuit of Regulated Power Supply for LKJ Display Screen

作　　者：陈强[1] 

机构地区：[1]神华包神铁路有限责任公司,内蒙古包头014010

出　　处：《包钢科技》2013年第3期60-62,共3页Science & Technology of Baotou Steel

摘　　要：文章阐述了一种新型LKJ显示屏稳压电源电路的设计方案,有效的解决了由于机车内部电磁干扰而造成的LKJ显示屏因输入电压不稳定造成的烧屏现象,电路设计原理简单,改进成本底,安装方便,实用性强。In this paper, a new design on circuit of regulated power supply for LKJ display screen is elaborated, which could effectively solve the problem of bum - in for LKJ display screen caused by unstable input voltage due to the electro- magnetic interference in locomotive. The design principles are simple, improvement costs are low and installation is conven- ient so that it is practical.

关 键 词：LKJ 稳压电路 滤波电路 极性保护电路 

分 类 号：U284.73[交通运输工程—交通信息工程及控制]