浙江电力

2020, v.39;No.292(08) 69-75

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一种多目标RFID电能标签采集终端的改进与实现
Improvement and Implementation of a Multi-target RFID Power Tag Acquisition Terminal

鲁然,徐永进,黄小琼,宋磊,江岚,武占河,石金保
LU Ran,XU Yongjin,HUANG Xiaoqiong,SONG Lei,JIANG Lan,WU Zhanhe,SHI Jinbao

摘要(Abstract):

针对当前电能采集终端RFID(射频识别)标签数据的碰撞概率高、无法实现多个采集目标同时溯源,导致获取的电力数据不准确全面、数据采集耗时长、效率低的问题,提出一种基于RFID技术的多目标电能标签采集技术。通过构建分布式溯源相关标签,形成稳定的逻辑关系,采用两级放大结构优化射频收发电路,使RFID读写器能够同时识别多个RFID标签,实现多个采集目标同时溯源。采用分支标签数量自适应获取搜索叉数,选用曼彻斯特编码规则读取全部碰撞位信息,设计自适应多叉树算法,实现多目标标签防碰撞功能。实验结果表明,改进后的电路和方法,对多标签电力数据采集成功率高、灵敏度优,且采集速度快,具有较好的应用性。
Given high collision rate of RFID(radio frequency identification) tag data in current electric energy acquisition terminal and the failure of simultaneous traceability of multiple acquisition targets that lead to inaccuracy and incomprehensiveness of electric data, long time data collection process and inefficiency, a multi-target electric energy tag acquisition technology based on the improved RFID RF transceiver circuit is proposed. The distributed traceability tags are constructed to form a stable logical relationship, and the twostage amplification structure is adopted to optimize the RF transceiver circuit so that the RFID reader can simultaneously identify multiple RFID tags and realize the traceability of multiple acquisition targets. The number of branch tags is used to adaptively obtain the number of search forks, the Manchester coding rules are used to read all the collision bit information, and the adaptive multi-tree algorithm is designed to realize the multi-target tag anti-collision function. The experimental results show that the improved circuit and method have a high success rate, excellent sensitivity and fast acquisition speed for multi-tag power data collection as well as high applicability.

关键词(KeyWords): RFID技术;采集终端;射频收发电路优化;溯源技术
RFID technology;acquisition terminal;RF transceiver circuit optimization;traceability technology

Abstract:

Keywords:

基金项目(Foundation): 国网浙江省电力有限公司科技项目(5211DS170017)

作者(Author): 鲁然,徐永进,黄小琼,宋磊,江岚,武占河,石金保
LU Ran,XU Yongjin,HUANG Xiaoqiong,SONG Lei,JIANG Lan,WU Zhanhe,SHI Jinbao

DOI: 10.19585/j.zjdl.202008011

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