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文章根据火灾报警控制系统系统电源的应用特点和国家安全标准，提出一种符合国家标准的报警控制系统电源的设计方案，文章详细介绍了其工作原理和控制电路
According to the application features of the system power supply of fire alarm control system and the national safety standards, this paper presents a design scheme of the power supply of the alarm control system which conforms to the national standard. The article introduces its working principle and control circuit