智能电表微功率无线通信模块天线方向性

doi:10.3969/j.issn.0255-8297.2017.01.002

应用科学学报 ›› 2017, Vol. 35 ›› Issue (1): 11-20.doi: 10.3969/j.issn.0255-8297.2017.01.002

智能电表微功率无线通信模块天线方向性

于华东¹, 欧清海¹, 张喆¹, 王云棣¹, 吴庆¹, 赵宏昊², 卢毅³

1. 国网信息通信产业集团有限公司, 北京 100031;
2. 国网辽宁省电力有限公司, 沈阳 110004;
3. 国网沈阳供电公司, 沈阳 110811

收稿日期:2015-10-29 修回日期:2015-12-07 出版日期:2017-01-30 发布日期:2017-01-30
作者简介:于华东,高工,研究方向:电力物联网、电力通信系统,E-mail:yuhuadong@sgitg.sgcc.com.cn
基金资助:
国家电网公司科技项目基金（No.526800150054）资助

Antenna Directionality of Micropower Wireless Communication Module in Smart Meter

YU Hua-dong¹, OU Qing-hai¹, ZHANG Zhe¹, WANG Yun-di¹, WU Qing¹, ZHAO Hong-hao², LU Yi³

1. State Grid Information & Telecommunication Group Co., LTD., Beijing 100031, China;
2. State Grid Liaoning Electric Power Supply Co. LTD., Shenyang 110004, China;
3. State Grid Shenyang Electric Power Supply Company, Shenyang 110811, China

Received:2015-10-29 Revised:2015-12-07 Online:2017-01-30 Published:2017-01-30

摘要/Abstract

摘要：

将具有方向性的天线按照合理角度安装，在相同条件下能提高智能电表无线信号接收功率.设计并研制了适合智能电表微功率无线通信模块的230 MHz法向模螺旋弹簧天线，研究了天线的方向性系数，针对天线和智能电表实际安装场景，改进了天线在微功率无线通信模块中的安装角度.软件仿真和实际测量结果显示，改进天线安装角度后的微功率无线通信模块，在相同测试环境下接收到的无线信号功率较改进前平均增加2.4 dBm.在相同传输环境、相同信号编码调制方式下，提高了接收信号的信噪比，进而提高了智能电表和集中器之间的通信质量.

关键词: 辐射方向图, 螺旋天线, 智能电表, 电力无线通信

Abstract:

Received wireless power can be increased under the same conditions by reasonable installation angle of directional antennas.A 230 MHz normal mode helix antenna of micropower wireless communication module in a smart meter is designed and implemented.Directivity of the antenna is discussed.The installation angle of antenna is improved based on actual installation mode of antenna and the smart meter.Simulation and measurements show that the average received wireless power in a micropower wireless communication module increases by 2.4 dBm as compared to that without installation angle improvement.In the same environment and the same signal encoding modulation mode, signal-to-noise ratio of the received signal is increased, and therefore quality of wireless communication between a smart meter and a concentrator can be improved.

Key words: smart meter, helical antenna, radiation pattern, power wireless communication

中图分类号:

TN823

于华东, 欧清海, 张喆, 王云棣, 吴庆, 赵宏昊, 卢毅. 智能电表微功率无线通信模块天线方向性[J]. 应用科学学报, 2017, 35(1): 11-20.

YU Hua-dong, OU Qing-hai, ZHANG Zhe, WANG Yun-di, WU Qing, ZHAO Hong-hao, LU Yi. Antenna Directionality of Micropower Wireless Communication Module in Smart Meter[J]. Journal of Applied Sciences, 2017, 35(1): 11-20.

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智能电表微功率无线通信模块天线方向性

Antenna Directionality of Micropower Wireless Communication Module in Smart Meter

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[1]	杨放;张凯;陈晨;郭陈江;许家栋 . 带有寄生螺旋线的变升角轴向模螺旋天线[J]. 应用科学学报, 2008, 26(6): 618-621 .
[2]	周蓓;廖斌;朱守正. ICP源平面微带螺旋天线参数对性能的影响[J]. 应用科学学报, 2007, 25(4): 359-359 .