摘要
锂电池是一类由锂金属或锂合金为负极材料、使用非水电解质溶液的电池。由于其寿命长、高能量密度、轻便、绿色环保等优点,近十多年来,锂电池已经广泛应用于移动电话、笔记本、数码相机等等一系列小型移动式电子产品。而最近两年来,已经广泛在电动自行车、电动工具和动力玩具领域上得到快速应用,并逐步应用于混合动力车和电动车辆领域。一方面,当前的锂动力电池市场面临困境,突出表现在“电池回收”、“电池维修”、“电池防盗”这三个环节。另一方面,锂电池自身的安全问题也限制了其发展。但现在已有的监控方法都局限在锂电池组节点的就地保护层面上进行,信息一般不能传输到监控平台上汇聚和融合,以进行更精确的故障诊断和做出及时故障处理的决策。
针对这些问题,本文设计了基于物联网RFID技术、采用ZigBee协议的新一代电池综合管理系统RFID-LiBMS(RFID based Lithium Battery Management System),在实时测量锂电池组的电流、电压、温度进行柔性保护的同时,将发生故障的产品信息、用户信息、位置信息以及故障信息传输给远程的监管平台,通过监管平台对故障电池进行更精确的故障诊断,确定故障的类型、性质和部位,使故障得到及时的处理,防止故障的蔓延和扩大。
该系统是与昆山好孩子集团旗下捷奥比电动车有限公司共同合作研发,产品已在捷奥比公司使用,效果达到用户需要。
Li-ion battery is a class of lithium metal or lithium alloy as anode material, the use of non-aqueous electrolyte solution batteries. Because of its long life, high energy density, light, green, etc., over the past decade, lithium has been widely used in mobile phones, laptops, digital cameras, and so a series of small portable electronic products is a class of lithium battery metal or lithium alloy as anode material, the use of non-aqueous electrolyte solution batteries. However, the last two years, it has been widely used in electric bicycles, power tools and power toys, rapid application areas, and gradually applied to the field of hybrid and electric vehicles. On the one hand, the current lithium battery market is facing difficulties, the most prominent in the "Battery Recycling", "battery maintenance", "battery theft" of these three aspects. On the other hand, the security of its own lithium battery also limits its development But now, the existing monitoring methods are limited to the lithium batteries in situ conservation of the nodes on the level of information generally can not be transmitted to the monitoring platform convergence and integration, for more accurate fault diagnosis and failure to make timely treatment decisions. .
To solve these problems, the paper design things based on RFID technology, a new generation of batteries using the ZigBee protocol integrated management system RFID-LiBMS (RFID based Lithium Battery Management System), lithium batteries in real-time measurement of current, voltage, temperature flexible protection at the same time, the failure of product information, user information, location information and fault information to the remote monitoring platform, the platform of the failure by monitoring the battery more accurate diagnosis, determine the fault type, nature and location of the fault is timely treatment to prevent the spread and expansion of failure.
The system is researched and developed together withtheGeoby Electrombile Limited Company under the Kunshan Goodbaby Corporation. The products have been used in theGeoby Company and they have met the needs of the users.
引文
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