电动汽车充电桩远程核查装置的研制

Development of a Remote Verification Device for Electric Vehicle Chargers

本文提出了一种针对电动汽车充电桩的远程核查装置,并介绍各个单元的原理和特点;采用闭环霍尔电流传感器测量充电电流,提高电能计量的精度和在电动汽车充电时核查充电桩的电能计量准确度;根据充电桩的工作特点,设计装置自行测量电量方案,并依托现有无线通信技术建立数据平台。实验证明:该装置能降低检定人员工作强度、有效利用社会电动汽车资源,具有普遍适用性。

This paper presents a remote verification device for electric vehicle charging pile,and introduces the principle and characteristics of each unit of the device.The closed-loop Hall current sensor is used to measure the charging current,improve the accuracy of electric energy measurement and check the electric energy measurement accuracy of charging pile when charging electric vehicles.According to the working characteristics of the charging pile,the device is designed to measure the electricity by itself,and the data platform is established by relying on the existing wireless communication technology.The experiment shows that the device can reduce the work intensity of verification personnel and effectively use the social electric vehicle resources,and has universal applicability.