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电动汽车充电桩通信方式
充电桩建设要求
Requirements for construction of charging pile
作为电网配用电侧的电动汽车充电桩（栓），其结构的特殊性决定了自动化通信系统的特点是被测点多且分散、覆盖面广、通信距离短。并且随着城市的发展，网络拓扑要求具有灵活性和扩展性的结构，因此，电动汽车充电桩（栓）通信方式的选择应考虑如下问题：
The special structure of the electric vehicle charging pile (bolt), which is used as the electric side of the power grid, determines that the automatic communication system is characterized by many and scattered, wide coverage and short communication distance. And with the development of the city, the network topology requires the structure of flexibility and extensibility. Therefore, the choice of the electric vehicle charging pile (bolt) communication mode should consider the following questions:
（1） 通信的可靠性——通信系统要长期经受恶劣环境和较强的电磁干扰或噪音干扰的考验，并保持通信的畅通。
(1) Reliability of communication - communication systems to withstand harsh environment and strong electromagnetic interference or noise interference for a long time, and to maintain the smooth communication.
（2） 建设费用——在满足可靠性的前提下，综合考虑建设费用及长期使用和维护的费用。
(2) Cost of construction - on the premise of satisfying reliability, comprehensive consideration of construction costs and long-term use and maintenance costs.
（3） 双向通信——不仅能实现信息量的上传，还要实现控制量的下达。
(3) Two-way communication - not only to achieve the upload of information, but also to achieve the delivery of control.
（4） 多业务的数据传输速率——随着以后终端业务量的不断增长，主站到子站、子站到终端之间通信对实现多业务的数据传输速率要求越来越高。
(4) the data transmission rate of multi service - with the increasing number of terminal services in the future, the communication between the master station and the sub station to the terminal is becoming more and more demanding for the data transmission rate for the realization of multi service.
（5） 通信的灵活性和可扩展性——由于充电桩（栓）具有控制点面多、面广和分散的特点，要求采用标准的通信协议，随着“ALL IP”网络技术趋势的发展以及电力运营业务的不断增长，需要考虑基于IP的业务承载，同时要求便于安装施工、调试、运行、维护。
(5) the flexibility and extensibility of communication - because the charging pile (plug) has the characteristics of many control points, wide range and dispersion, the standard communication protocol is required. With the development of the "ALL IP" network technology trend and the continuous growth of the power operation business, the service bearing based on IP needs to be considered. In installation, commissioning, operation and maintenance.
Requirements for construction of charging pile
作为电网配用电侧的电动汽车充电桩（栓），其结构的特殊性决定了自动化通信系统的特点是被测点多且分散、覆盖面广、通信距离短。并且随着城市的发展，网络拓扑要求具有灵活性和扩展性的结构，因此，电动汽车充电桩（栓）通信方式的选择应考虑如下问题：
The special structure of the electric vehicle charging pile (bolt), which is used as the electric side of the power grid, determines that the automatic communication system is characterized by many and scattered, wide coverage and short communication distance. And with the development of the city, the network topology requires the structure of flexibility and extensibility. Therefore, the choice of the electric vehicle charging pile (bolt) communication mode should consider the following questions:
（1） 通信的可靠性——通信系统要长期经受恶劣环境和较强的电磁干扰或噪音干扰的考验，并保持通信的畅通。
(1) Reliability of communication - communication systems to withstand harsh environment and strong electromagnetic interference or noise interference for a long time, and to maintain the smooth communication.
（2） 建设费用——在满足可靠性的前提下，综合考虑建设费用及长期使用和维护的费用。
(2) Cost of construction - on the premise of satisfying reliability, comprehensive consideration of construction costs and long-term use and maintenance costs.
（3） 双向通信——不仅能实现信息量的上传，还要实现控制量的下达。
(3) Two-way communication - not only to achieve the upload of information, but also to achieve the delivery of control.
（4） 多业务的数据传输速率——随着以后终端业务量的不断增长，主站到子站、子站到终端之间通信对实现多业务的数据传输速率要求越来越高。
(4) the data transmission rate of multi service - with the increasing number of terminal services in the future, the communication between the master station and the sub station to the terminal is becoming more and more demanding for the data transmission rate for the realization of multi service.
（5） 通信的灵活性和可扩展性——由于充电桩（栓）具有控制点面多、面广和分散的特点，要求采用标准的通信协议，随着“ALL IP”网络技术趋势的发展以及电力运营业务的不断增长，需要考虑基于IP的业务承载，同时要求便于安装施工、调试、运行、维护。
(5) the flexibility and extensibility of communication - because the charging pile (plug) has the characteristics of many control points, wide range and dispersion, the standard communication protocol is required. With the development of the "ALL IP" network technology trend and the continuous growth of the power operation business, the service bearing based on IP needs to be considered. In installation, commissioning, operation and maintenance.
