Electric microcomputer comprehensive protection device

Abstract

The invention provides an electric microcomputer comprehensive protection device which comprises a DSP (Digital Signal Processor) core module, a communication interface module, a storage module, a clock module, an analog acquisition module, a digital input module and a digital output module, wherein the communication interface module, the storage module, the clock module, the analog acquisition module, the digital input module and the digital output module are all connected with the DSP core module; the communication interface module comprises an RS485 interface, a CAN (Controller Area Network) interface and an Ethernet interface; the storage module comprises an SRAM (Static Random Access Memory), an FLASH, an NVRAM (Non-Volatile Random Access Memory) and an EEPROM (Electrically Erasable Programmable Read-Only Memory); the analog acquisition module comprises an AD (Analog-Digital) module and an analog input module. According to the electric microcomputer comprehensive protection device, the structure is simple and the cost is low; communication interface forms are diversified, the application range is wide, the adaptability is high, the speed is high, and the development efficiency is high; fault points are reduced and the reliability is improved; the analog sampling precision and the calculating precision are high; the anti-interference performance is good.

Description

technical field [0001] The invention belongs to the technical field of electric power monitoring and protection, and more specifically relates to an electric power microcomputer comprehensive protection device. Background technique [0002] With the continuous development of electronic information technology, the degree of automation in the power application field is getting higher and higher, the application range is wider and wider, and the requirements for cost are getting higher and higher. Most of the original power microcomputer protection devices use high-performance DSP with floating-point computing capability, plus CPLD and other peripheral interface chips, the principle is complicated and the cost is high. How to develop a simple and practical motherboard, which can reduce product cost and improve development efficiency, has become a research topic for those skilled in the art. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the p...

AI Technical Summary

Problems solved by technology

Most of the original power microcomputer protection devices use high-performance DSP with floating-point computing capabilities, plus CPLD and other peripheral interface chips. The principle is complicated and the cost is high.

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