WO2012116560A1 - 基于scdma宽带无线专网技术的电力信息采集网 - Google Patents

基于scdma宽带无线专网技术的电力信息采集网 Download PDF

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Publication number
WO2012116560A1
WO2012116560A1 PCT/CN2011/083166 CN2011083166W WO2012116560A1 WO 2012116560 A1 WO2012116560 A1 WO 2012116560A1 CN 2011083166 W CN2011083166 W CN 2011083166W WO 2012116560 A1 WO2012116560 A1 WO 2012116560A1
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WO
WIPO (PCT)
Prior art keywords
base station
access controller
service access
broadband wireless
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/083166
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English (en)
French (fr)
Inventor
唐龙江
王阳
李宏山
郑国华
叶飞
朱兵
叶水勇
方卫群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huangshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Huangshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huangshan Power Supply Co of State Grid Anhui Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Huangshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority to CA2794453A priority Critical patent/CA2794453A1/en
Publication of WO2012116560A1 publication Critical patent/WO2012116560A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter

Definitions

  • the invention belongs to the field of power information collection, and particularly relates to a power information collection network based on SCDMA broadband wireless private network technology.
  • the low-voltage power line carrier technology is subject to large harmonic interference by the distribution network, low communication speed, large signal attenuation, and very unstable acquisition.
  • the wireless microwave technology adopts the "one-point multi-access" communication method.
  • the communication method can only use the polling method to query the data.
  • the one-to-many number is limited in practical use, and the digital radio station construction is greatly affected by the urban construction.
  • a good digital transmission network is likely to be blocked by new tall buildings in the city.
  • the buildings have a great influence on the reflection and refraction of radio waves, and the antennas are affected by strong winds, causing transmission interruptions.
  • the fiber is used in a large amount, although the fiber speed is high and stable, the fiber has a factor that the laying channel is limited, the laying and maintenance cost is high. Moreover, the photoelectric converter (light MODEM) is used in the household, which is greatly affected by the environment and has a high failure rate.
  • PSTN Public Telephone Network
  • the above communication methods cannot provide stable, reliable, and economical communication support for a wide range of power information data collection tasks, and thus it is impossible to achieve complete, accurate, and timely power information.
  • the object of the present invention is to provide an economical, reliable and stable power information collection network based on SCDMA broadband wireless private network technology.
  • the system includes a first base station and a second base station, and the first base station and the second base station respectively communicate wirelessly with various broadband wireless user terminals in the coverage area thereof, and wirelessly
  • the service information of the user terminal is connected to the first base station and the second base station, and the first base station and the second base station are respectively connected to the service access controller, and the service access controller is connected to the management terminal of the main control center, and the service is connected.
  • the ingress controller performs management control on the first base station and the second base station to meet the local area communication and the inter-area communication of the user terminal, and the first base station and the second base station perform data communication with the management terminal through the service access controller.
  • the broadband wireless private network technology can greatly improve the communication reliability of the existing distribution network power information collection, and the transmission rate can meet the requirements of power information collection, and can save a large amount of communication costs.
  • FIG. 1 is a block diagram of the present invention.
  • the system includes a first base station 2 and a second base station 3, wherein the first base station 2 and the second base station 3 respectively communicate wirelessly with various broadband wireless user terminals 1 in the coverage area thereof, and the wireless user terminal
  • the service information of 1 is connected to the first base station 2 and the second base station 3, and the first base station 2 and the second base station 3 are respectively connected to the service access controller 4, and the service access controller 4 and the main control center are managed.
  • the terminal 5 is connected, and the service access controller 4 performs management control on the first base station 2 and the second base station 3 to meet the local area communication and the inter-area communication of the user terminal 1.
  • the first base station 2 and the second base station 3 are connected through the service.
  • the input controller 4 performs data communication with the management terminal 5.
  • Each wireless user terminal 1 implements voice and data communication in an area to which the respective data base station belongs, and implements inter-regional roaming voice data communication between different data base station systems; the service access controller 4 passes the network circuit and the power internal transmission network.
  • the interconnection, the device operation information of the service access controller 4 is transmitted to the main control center, thereby realizing the operation, management, maintenance and control of the data base station and the service access controller 4 by the main control center.
  • the broadband wireless private network technology can greatly improve the communication reliability of the existing distribution network power information collection, and at the same time increase the transmission rate from several hundred bits and several thousand bits to 64k-1.6Mbs, which can meet the needs of power information collection. Save a lot of communication costs.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

基于 SCDMA宽带无线专网技术的电力信息采集网
技术领域
本发明属于电力信息采集领域，具体涉及一种基于 SCDMA宽带无线专网 技术的电力信息采集网。
背景技术
电力信息采集的准确、完整与及时是实现需求侧管理以及经营损益精细化 分析的基础与保证。 目前实现电力信息采集涉及低压电力线载波技术、 230M 无线微波技术、 无线公网技术、 PSTN以及光纤网技术。 综观这些技术， 存在 如下的缺陷：
1.低压电力线载波技术受配电网谐波干扰较大，通信速率低、信号衰减大， 采集很不稳定。
2.采用无线公网技术容易出现通信拥堵、信号无法覆盖以及随着装置数量 的快速增长费用也快速增长的问题。
3.无线微波技术采用 "一点多址"的通信方式， 该通信方式只能采用轮询方 式查询数据， 一对多数量在实际使用上受限制， 同时数传电台建设受城市建设 影响大， 建设好的数传网络很可能被城市中新增的高大建筑所阻挡，楼群对电 波的反射、 折射有着很大的影响， 而且天线会受大风影响， 导致传输中断等。
4.如果大量使用光纤， 虽然光纤速率高、 稳定， 但是光纤存在敷设通道受 限、 敷设与维护成本较高的因素。 而且光电转换器（光 MODEM )用在户夕卜， 受环境影响大， 故障率高。
5.公共电话网 (PSTN)存在误码率高、 易受雷击以及传输不稳等现象。
上述通信方式无法为地域宽广的电能信息数据采集任务提供稳定、可靠以 及经济的通信支撑， 因此无法做到实现电能信息完整、 准确、 及时。
发明内容
本发明的目的是提供一种经济、可靠、稳定的基于 SCDMA宽带无线专网 技术的电力信息采集网。 为实现上述目的， 本发明采用了以下技术方案： 本系统包括第一基站和第 二基站，所述第一基站和第二基站分别与其覆盖区域内的各类宽带无线用户终 端无线通信，将无线用户终端的业务信息接入到第一基站和第二基站， 所述第 一基站和第二基站分别与业务接入控制器相连，业务接入控制器与主控中心的 管理终端相连， 业务接入控制器对第一基站和第二基站进行管理控制， 以满足 用户终端的本区通信、跨区通信， 第一基站和第二基站通过业务接入控制器与 管理终端进行数据通信。
由上述技术方案可知，宽带无线专网技术能够大大提高现有配电网电力信 息采集的通信可靠性，传输速率可以满足电能信息采集的需求， 可以节省大量 的通信费用。
附图说明
图 1 : 是本发明的原理框图。
具体实施方式
如图 1所示， 本系统包括第一基站 2和第二基站 3 , 所述第一基站 2和第 二基站 3 分别与其覆盖区域内的各类宽带无线用户终端 1无线通信， 将无线 用户终端 1的业务信息接入到第一基站 2和第二基站 3 , 所述第一基站 2和第 二基站 3分别与业务接入控制器 4相连，业务接入控制器 4与主控中心的管理 终端 5相连， 业务接入控制器 4对第一基站 2和第二基站 3进行管理控制， 以 满足用户终端 1的本区通信、跨区通信， 第一基站 2和第二基站 3通过业务接 入控制器 4与管理终端 5进行数据通信。
各个无线用户终端 1在各自的数据基站所属区域内实施语音、 数据通信， 在不同数据基站系统之间实现跨区漫游语音数据通信；业务接入控制器 4通过 该网络电路， 与电力内部传输网互联，将业务接入控制器 4的设备运行信息传 输到主控中心， 从而实现主控中心对数据基站、 业务接入控制器 4的运行、 管 理、 维护、 控制。 宽带无线专网技术能够大大提高现有配电网电力信息采集的通信可靠性， 同时使传输速率由几百个 bit、 几千 bit, 提高到 64k-1.6Mbs, 可以满足电能信 息采集的需求， 节省了大量的通信费用。
由于该方案带宽高、 覆盖范围广， 同时又是专用网， 因此使过去电力信息 采集涉及的地域宽广造成的通信困难的问题不再存在，将大幅提高电能信息采 集的覆盖面， 完整的电能信息数据无疑为全面进行经营损益分析提供了可能。

Claims

权 利 要 求
1、一种基于 SCDMA宽带无线专网技术的电力信息采集网，其特征在于： 本系统包括第一基站 (2)和第二基站 (3), 所述第一基站 (2)和第二基站 (3)分别与 其覆盖区域内的各类宽带无线用户终端 (1)无线通信， 将无线用户终端 (1)的业 务信息接入到第一基站 (2)和第二基站 (3) , 所述第一基站 (2)和第二基站 (3)分别 与业务接入控制器 (4)相连，业务接入控制器 (4)与主控中心的管理终端 (5)相连， 业务接入控制器 (4)对第一基站 (2)和第二基站 (3)进行管理控制， 以满足用户终 端 (1)的本区通信、 跨区通信， 第一基站 (2)和第二基站 (3)通过业务接入控制器 (4)与管理终端 (5)进行数据通信。
2、 根据权利要求 1所述的基于 SCDMA宽带无线专网技术的电力信息采 集网， 其特征在于： 所述的管理终端 (5)包括集抄系统、 负荷管理系统、 配变 监测系统、 关口表采集系统。
PCT/CN2011/083166 2011-03-03 2011-11-29 基于scdma宽带无线专网技术的电力信息采集网 Ceased WO2012116560A1 (zh)

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CA2794453A CA2794453A1 (en) 2011-03-03 2011-11-29 Electric power information collection network based on scdma broadband wireless private network technique

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CN2011200539517U CN202013643U (zh) 2011-03-03 2011-03-03 基于scdma宽带无线专网技术的电力信息采集网

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CN202013643U (zh) * 2011-03-03 2011-10-19 安徽省电力公司黄山供电公司 基于scdma宽带无线专网技术的电力信息采集网

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