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介绍一种应用于煤矿井下的智能型低压综合保护器,阐述了其工作原理和软硬件设计。保护器采用基于Cortex-M3处理器的STM32F103和STM32F101的双CPU架构,具有RS485通讯接口,集继电保护、综合测控、远程数据通信功能于一体,以保证井下供电的安全可靠。
This paper introduces a kind of intelligent low voltage integrated protector used in coal mine, expounds its working principle and hardware and software design. Protector uses double CPU architecture based on Cortex-M3 processor STM32F103 and STM32F101, with RS485 communication interface, set the relay protection, integrated monitoring and control, remote data communication functions in one, in order to ensure safe and reliable underground power supply.