The design scheme for a new kind of long-distance intelligent watt-hour meter is presented. In the system, the control computer communicates with the bank's host computer by the X. 25 network; the built-in embeded se...The design scheme for a new kind of long-distance intelligent watt-hour meter is presented. In the system, the control computer communicates with the bank's host computer by the X. 25 network; the built-in embeded secure access module (ESAM) can verify data by commutation with the intelligent nodes that enhance the security of the data. IC TSS721 is adopted to collect data remotely, and the CPU IC card is used to ensure the the bargaining security and reliability. In addition, the software of the system is introduced.展开更多
目前,电能表计量数据采集节点设定均为独立方式,数据采集范围受到限制,导致单元耗时延长,因此提出无线通信电能表计量数据采集方法的设计与验证。根据数据采集需求和标准,设定基础电能表计量数据采集指标,采用多阶方式,打破数据采集范...目前,电能表计量数据采集节点设定均为独立方式,数据采集范围受到限制,导致单元耗时延长,因此提出无线通信电能表计量数据采集方法的设计与验证。根据数据采集需求和标准,设定基础电能表计量数据采集指标,采用多阶方式,打破数据采集范围的限制,布设多阶交叉数据采集节点,并以此为基础,构建无线通信电能表数据采集模型,采用射频识别(Radio Frequency Identification,RFID)智能归类实现数据采集处理。测试结果表明,设计的方法对电能表计量数据的采集效果更佳、针对性更强,具有实际应用价值。展开更多
文摘The design scheme for a new kind of long-distance intelligent watt-hour meter is presented. In the system, the control computer communicates with the bank's host computer by the X. 25 network; the built-in embeded secure access module (ESAM) can verify data by commutation with the intelligent nodes that enhance the security of the data. IC TSS721 is adopted to collect data remotely, and the CPU IC card is used to ensure the the bargaining security and reliability. In addition, the software of the system is introduced.
文摘目前,电能表计量数据采集节点设定均为独立方式,数据采集范围受到限制,导致单元耗时延长,因此提出无线通信电能表计量数据采集方法的设计与验证。根据数据采集需求和标准,设定基础电能表计量数据采集指标,采用多阶方式,打破数据采集范围的限制,布设多阶交叉数据采集节点,并以此为基础,构建无线通信电能表数据采集模型,采用射频识别(Radio Frequency Identification,RFID)智能归类实现数据采集处理。测试结果表明,设计的方法对电能表计量数据的采集效果更佳、针对性更强,具有实际应用价值。