Acrel Din Rail Dc Power Meter Applicated In Hongkong Charging Pile Company 

摘要：电动汽车的出现，是科技发展和环保推行的产物。随着人们生活质量的提高，越来越多家庭开始购置汽车，导致环境环保压力日渐增加。电动汽车的推行，能够合理减缓环保压力，降低对传统能源的消耗，是汽车产业发展的重要趋势之一。现在已经有众多汽车品牌发展电动汽车，并取得良好成效。但是，汽车充电是电动汽车的重要配套服务，直接影到电动汽车的普及。因此，在研发电动汽车的同时，有必要对电动汽车交流充电桩智能控制系统进行开发设计，为电动汽车的普及发展保驾护航。

Abstract: The emergence of electric vehicles is a product of technological development and environmental protection. With the improvement of people's quality of life, more and more families have begun to buy cars, leading to increasing pressure on environmental protection. The implementation of electric vehicles can effectively alleviate the pressure on environmental protection and reduce the consumption of traditional energy. It is one of the important trends in the development of the automotive industry. There are already many car brands developing electric vehicles and achieving good results. However, car charging is an important supporting service for electric vehicles, which directly affects the popularity of electric vehicles. Therefore, while developing electric vehicles, it is necessary to develop and design the intelligent control system of electric vehicle AC charging piles to escort the popularization and development of electric vehicles.

1.市场概述 Market Overview

随着汽车智能化、电动化的发展趋势，电动汽车将成为未来汽车的主流，由此带来电动汽车充电桩的发展。充电桩中需要安装电表，来测量充电电压和充电电流以及统计充电电量，并通过RS485总线与控制模块进行通信。

With the development of intelligent and electric vehicles, electric vehicles will become the mainstream of future vehicles, thus bringing the development of charging piles for electric vehicles.An electricity meter should be installed in the charging pile to measure the charging voltage and current as well as count the charging electricity, and communicate with the control module through RS485 .

2.DJSF1352直流电测仪表介绍 DJSF1352 DC Power Meter Introduction

DJSF1352-RN导轨式直流电能表带有双路直流输入，主要针对直流充电桩应用场合而设计，该系列仪表可测量直流系统中的电压、电流、功率以及正反向电能等。在实际使用现场，即可计量总电能，又可计量规定时间段内的电能。检测的结果既可用于本地显示，又能与工控设备、计算机连接，组成测控系统。仪表可具有红外通讯接口和RS-485通讯接口，同时支持Modbus-RTU协议；可带继电器报警输出和开关量输入功能；根据不同要求，通过仪表面板按键，对变比、报警、通讯进行设置；具有开关量事件记录（Modbus协议）电压电流功率大值、小值记录功能。

DJSF1352 has double DC input channels, mainly designed for DC charging piles, solar , this series of meters can measure the voltage, current, power and forward and reverse energy and so on in the DC system.The actual use of the site, you can measure the total power, but also measure the energy within a specified period of time. The test results can be used for local display, but also with industrial control equipment, computers to form a measurement and control system.

The meter can have infrared communication interface and RS-485 communication interface, and

supports Modbus-RTU protocol .The meter can have relay alarm output and digital input function;You can set the ratio, alarm, and communication through the meter panel keys according to different requirements.The meter can have event recording of switch (Modbus protocol), maximum and minimum value recording function of voltage and current power.

3.型号说明 Model Description

4.技术参数 Technical Features

5.总结 Summary

充电桩作为新能源汽车产业链的重要下游支柱行业，其市场化前景似乎相当乐观。目前行业前景被一致看好，安科瑞直流电能仪表可以完好解决充电桩计量问题。

As an important downstream pillar industry of new energy vehicle industry chain, charging pile seems to have a very optimistic market prospect. At present, the prospect of the industry is unanimously optimistic, and Acrel DC power meter can perfectly solve the problem of charging pile measurement.

参考文献 Bibliography

1.Solutions For Enterprise Micro-grid System 2021.04