笔记本电脑后备移动电源电池包监控电路的设计

发布时间：2018-02-01 07:41

本文关键词： 监控电路采样电路单片机PICF 锂电池　出处：《兰州理工大学学报》2015年05期 　论文类型：期刊论文

【摘要】：提出一种基于单片机控制的锂电池组笔记本电脑后备移动电源监控电路的设计方案.该方案采用单片机PIC16F886做为主控芯片,通过硬件和软件设计实现对整个电池组电路的状态监控.监控电路完成电量的计算和显示、各节电池电压的监控、充放电电流采集、温度监控、各节电池平衡和与主机通讯的功能.对所设计的锂电池组电路进行电量的验证,实验结果表明,设计的电量计算准确,能更加充分地利用锂电池组,提供高性能、高精度的要求,满足笔记本电脑后备移动电源的要求.
[Abstract]:This paper presents a design scheme of the monitoring circuit of the backup mobile power supply for the notebook computer of the lithium battery pack based on the single chip microcomputer, which uses PIC16F886 as the main control chip. Through the design of hardware and software, the state of the whole battery pack circuit is monitored. The monitoring circuit completes the calculation and display of electric quantity, the monitoring of battery voltage, the collection of charge and discharge current, and the monitoring of temperature. The function of each cell balance and communication with the mainframe. The electric quantity of the designed lithium battery pack circuit is verified. The experimental results show that the calculation of the designed battery quantity is accurate and can make full use of the lithium battery pack. Provide high-performance, high-precision requirements to meet notebook computer backup mobile power requirements.
【作者单位】：福建师范大学福清分校电子与信息工程学院;
【基金】：福建省教育厅A类科研项目(JA11282)
【分类号】：TM912;TP368.32
【正文快照】： 笔记本电脑需要满足在户外长时间工作的需求,一般采用重量轻、能量密度高以及便携的锂电池[1]做为后备移动电源,为笔记本电脑提供续航功能.但是由于锂电池自身存在一些问题:必须具有特殊的保护电路,以防止过充、过放电等安全性问题;必须专用的智能充电管理和控制充放电过程,以

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