WO2015117381A1 - 一种电力线载波通信测试仪 - Google Patents

一种电力线载波通信测试仪 Download PDF

Info

Publication number
WO2015117381A1
WO2015117381A1 PCT/CN2014/089067 CN2014089067W WO2015117381A1 WO 2015117381 A1 WO2015117381 A1 WO 2015117381A1 CN 2014089067 W CN2014089067 W CN 2014089067W WO 2015117381 A1 WO2015117381 A1 WO 2015117381A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
power
carrier
communication
power line
Prior art date
Application number
PCT/CN2014/089067
Other languages
English (en)
French (fr)
Inventor
瞿诗琦
刘再乐
陈支龙
Original Assignee
瑞斯康微电子（深圳）有限公司
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 瑞斯康微电子（深圳）有限公司 filed Critical 瑞斯康微电子（深圳）有限公司
Publication of WO2015117381A1 publication Critical patent/WO2015117381A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5495—Systems for power line communications having measurements and testing channel

Definitions

  • the present invention relates to power line carrier technology, and more particularly to a power line carrier communication tester.
  • Power line carrier technology is a modern technology that uses control signals for power line transmission. Due to the wide distribution of power lines, the technology of using low-voltage power lines as data signal transmission media will enable users to build systems only through existing resources, avoiding complicated channel wiring and greatly saving costs. With the continuous improvement of technology, power line carrier technology will have broad application prospects in the fields of home intelligent control, residential property management, security alarm and so on.
  • the technical problem to be solved by the present invention is to provide a power line carrier communication tester, which aims to solve the problem that the equipment and instrument thresholds for testing the existing power line communication are too high and cannot be universally applied.
  • the present invention is implemented as a power line carrier communication tester, including a portable instrument box, which includes a display module, a plurality of peripheral interfaces, a processor module, a power module, a power carrier module, and a detection module; Said peripheral interfaces are disposed on said processor module, said processor modules being respectively connected to said power module, said display module and said power carrier module for processing received from said peripheral interface The communication signal or processing the carrier communication protocol stack received from the power carrier module, and transmitting the processed result to the display module for display;
  • the power carrier module is respectively connected to the power line and the detecting module, and is configured to send and receive a communication signal of the power line carrier and the processing carrier communication protocol stack; and the detecting module detects the communication signal received from the power carrier module.
  • the detecting module includes a communication data coupling unit, a current detecting unit, and a three-phase detecting unit, and the communication data coupling unit, the current detecting unit, and the three-phase detecting unit are respectively connected to the power carrier module.
  • the communication data, the current data, and the three-phase power data of the power carrier communication signal are respectively detected.
  • the power carrier module and the processor module communicate through a serial port.
  • the portable instrument further includes a keyboard, and the keyboard adopts an embedded button.
  • the power carrier module is placed on the carrier board, the power module is placed on the power board, and the processor module is placed on the processor board.
  • the power module includes a switching power supply circuit and a carrier communication coupling circuit.
  • the invention has the beneficial effects that the power line carrier communication tester can comprehensively diagnose and detect the communication situation of the power line, and the detection process is convenient and efficient, and is applicable to various field tests to the power communication industry.
  • the on-site operation brings great convenience.
  • FIG. 1 is a schematic diagram showing the connection relationship of a power line carrier communication tester of the present invention.
  • a power line carrier communication tester includes a portable instrument box, and the portable instrument box includes a display module 104, a plurality of peripheral interfaces 103, and a processor module 102.
  • the plurality of peripheral interfaces 103 are disposed on the processor module 102, and the processor module 102 and the power module 101 and the display module 104 are respectively Connected to the power carrier module 105 for processing a communication signal received from the peripheral interface 103 or processing a carrier communication protocol stack received from the power carrier module 105, and transmitting the processed result to
  • the display module 104 performs display.
  • the power carrier module 105 is respectively connected to the power line and the detecting module 106 for transmitting and receiving a communication signal of the power line carrier and the processing carrier communication protocol stack; and the detecting module 106 receives the communication received from the power carrier module 105. The signal is detected.
  • the detecting module 106 includes a communication data coupling unit, a current detecting unit, and a three-phase detecting unit, and the communication data coupling unit, the current detecting unit, and the three-phase detecting unit are respectively connected to the power carrier module 105, respectively The communication data, current data, and three-phase power data of the power carrier communication signal are detected.
  • the power carrier module 105 is a transceiver circuit for power line carrier communication and a carrier communication protocol stack processing portion centered on the RISE3000 series chip, and is used for performing all functions of power line carrier communication.
  • the power carrier module 105 and the processor module 102 communicate through a serial port.
  • the portable instrument also includes a keyboard, and the keyboard uses an in-line button.
  • the power carrier module 105 is placed on the carrier board, the power module 101 is placed on the power board, and the processor module 102 is placed on the processor board.
  • the power board includes a switching power supply circuit and a carrier communication coupling circuit.
  • the power line carrier communication tester can be connected to a three-phase power line.
  • the portable instrument case adopts 222 ⁇ A portable instrument case of 196 ⁇ 102 (L ⁇ W ⁇ H unit: mm) with an LCD liquid crystal display on the panel.
  • the power line carrier communication tester is designed in combination with the RISE3000 series chip, which can meet the needs of users to develop intelligent control products, and can play an important role in developing various stages of intelligent control products.
  • the power line carrier communication tester is specially developed for the application of power line carrier chips on various devices, and is a power line communication test tool with compact structure, convenient, high efficiency and convenient maintenance. It can provide various relevant data according to the power line carrier signal, analyze the performance of signal transmission on the power line, conduct field test according to the use and applicability of the power line transceiver, and its design conforms to international standards such as EIA-709.2 and EN50065-1.
  • the power line carrier communication tester can be used to determine whether the power line carrier communication technology is suitable for the relevant application environment, thereby determining the optimal technical parameters. For example, the data transmission rate and the frequency of the carrier frequency help users to choose the best system solution.
  • the tester can be used to analyze the actual situation on site and guide the field engineers to quickly develop the best installation implementation plan.
  • the tester can measure the stability of the entire system by analyzing the communication data on the system site, and quickly find and solve problems when necessary.
  • the power line carrier communication tester can also provide line communication status analysis, providing functions including phase detection, signal quality monitoring, and physical layer communication testing to help the staff fully understand the power line communication performance.
  • the power line carrier communication tester of the present invention is a multifunctional analysis instrument mainly used for measurement and analysis of a power line carrier communication environment, and can calculate background noise in a communication environment, signal to noise ratio of a received carrier signal, and transmission The phase of the city's power supply, etc. It can further analyze the power line carrier communication environment by selecting different carrier frequencies, data transmission rates and packet lengths, and can record the error rate and various types of error packets during the test, and can also be used to guide the power communication system. The on-site construction personnel helped them to comprehensively analyze the power line carrier communication.
  • PLCT-R1 power line communication tester has the following functions: detecting the communication quality of the tested low-voltage power supply line; Detecting the strength of the transmitted signal; detecting the signal-to-noise ratio, judging whether the line communication environment is good or bad; adjusting the parameters of the transmitted signal, such as signal strength, packet length, frequency band, data rate, etc., to test corresponding different communication effects; Determining the uplink and downlink communication quality between two points; providing error packet information to calculate the packet error rate and the cause of the packet error; determining the commercial phase between the sender and the receiver; Provide UART port data transmission mode to realize user transparent data and command data transmission; measure the transmitted power line carrier signal through the external coupling circuit output port.
  • the power line carrier communication tester of the invention utilizes the widest range of low-voltage power lines in the world as a communication medium, and the remote control LED lamp developed based on the carrier automatic routing technology can fully solve the current high noise, high attenuation and large signal distortion of the power line.
  • the characteristics, and reserved a variety of lighting interfaces, can be fully applied to energy-saving renovation projects in public places such as tunnels.

Abstract

本发明涉及于电力线载波技术，提供了一种电力线载波通信测试仪，包括便携式仪器箱，所述便携式仪器箱内包括显示模块、若干外设接口、处理器模块、电源模块、电力载波模块和检测模块；所述处理器模块分别与所述电源模块、所述显示模块和所述电力载波模块相连接，用于处理从所述外设接口接收到的通讯信号或处理从所述电力载波模块接收到的载波通信协议栈，并把处理后的结果发送到显示模块进行显示；所述电力载波模块分别与电力线、所述检测模块相连接，用于收发电力线载波的通讯信号和处理载波通信协议栈；所述检测模块对从所述电力载波模块接收到的通讯信号进行检测。该电力线载波通信测试仪主要用于电力线载波通信环境的测量和分析。

Description

一种电力线载波通信测试仪 技术领域
本发明涉及电力线载波技术，尤其涉及一种电力线载波通信测试仪。
 背景技术
电力线载波技术是一种以电力线为载体进行控制信号传输的现代技术。由于电力线分布广泛，利用低压电力线作为数据信号传输媒介的技术将使用户仅需通过现有资源即可进行系统的建设，避免繁杂的通道布线，大大节约成本。随着科技的不断完善，电力线载波技术将在家庭智能控制、小区物业管理、安防报警等领域具有广泛的应用前景。
但实际上，中国电力线的分布极为复杂，用电环境也各不相同，电力线的通信环境十分恶劣。一方面，电力线上存在多种干扰，如脉冲、白噪声等，这些干扰具有很强的突变性，可随着时间和空间的变化而随时改变。电力线的错综复杂还带来了如相位混乱、三相供电不平衡等多种问题。这些复杂的因素给电力线载波通信造成了巨大障碍，也为技术人员的开发增加了困难，人们不得不花费大量人力、物力来研究这些干扰因素。
由此而产生了一部分针对电力线通信进行测试的设备与仪器，目前市场上的电力线测试设备仪器主要为实验室产品开发而研制，没有考虑到测试设备对于产品研发、生产测试、现场应用的多样性，导致产品门槛过高，无法普及应用。
 技术问题
本发明所要解决的技术问题在于提供一种电力线载波通信测试仪，旨在解决现有的电力线通信进行测试的设备与仪器门槛过高，无法普及应用的问题。
 技术解决方案
本发明是这样实现的，一种电力线载波通信测试仪，包括便携式仪器箱，所述便携式仪器箱内包括显示模块、若干外设接口、处理器模块、电源模块、电力载波模块和检测模块；所述若干外设接口设置在所述处理器模块上，所述处理器模块分别与所述电源模块、所述显示模块和所述电力载波模块相连接，用于处理从所述外设接口接收到的通讯信号或处理从所述电力载波模块接收到的载波通信协议栈，并把处理后的结果发送到显示模块进行显示；
所述电力载波模块分别与电力线、所述检测模块相连接，用于收发电力线载波的通讯信号和处理载波通信协议栈；所述检测模块对从所述电力载波模块接收到的通讯信号进行检测。
进一步地，所述检测模块包括通信数据耦合单元、电流检测单元和三相检测单元，所述通信数据耦合单元、所述电流检测单元和所述三相检测单元分别与所述电力载波模块相连，分别检测电力载波通讯信号的通信数据、电流数据和三相电力数据。
进一步地，所述电力载波模块与所述处理器模块之间通过串口进行通讯。
进一步地，所述便携式仪器内还包括键盘，所述键盘采用内嵌式按键。
进一步地，所述电力载波模块置于所述载波板上，所述电源模块置于所述电源板上，所述处理器模块置于所述处理器板上。
进一步地，所述电源模块包括开关电源电路和载波通讯耦合电路。
 有益效果
本发明与现有技术相比，有益效果在于：所述的电力线载波通信测试仪能够对电力线的通信情况进行全面诊断与检测，检测过程便捷、高效，适用于各种现场测试，给电力通信行业的现场操作带来了极大的方便。
 附图说明
图1是本发明电力线载波通信测试仪连接关系的示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
如图1所示，为本发明一较佳的实施例，一种电力线载波通信测试仪，包括便携式仪器箱，所述便携式仪器箱内包括显示模块104、若干外设接口103、处理器模块102、电源模块101、电力载波模块105和检测模块106；所述若干外设接口103设置在所述处理器模块102上，所述处理器模块102分别与所述电源模块101、所述显示模块104和所述电力载波模块105相连接，用于处理从所述外设接口103接收到的通讯信号或处理从所述电力载波模块105接收到的载波通信协议栈，并把处理后的结果发送到显示模块104进行显示。所述电力载波模块105分别与电力线、所述检测模块106相连接，用于收发电力线载波的通讯信号和处理载波通信协议栈；所述检测模块106对从所述电力载波模块105接收到的通讯信号进行检测。
所述检测模块106包括通信数据耦合单元、电流检测单元和三相检测单元，所述通信数据耦合单元、所述电流检测单元和所述三相检测单元分别与所述电力载波模块105相连，分别检测电力载波通讯信号的通信数据、电流数据和三相电力数据。
电力载波模块105是电力线载波通信的收发电路和以RISE3000系列芯片为核心的载波通信协议栈处理部分，用于完成电力线载波通信的所有功能。所述电力载波模块105与所述处理器模块102之间通过串口进行通讯。所述便携式仪器内还包括键盘，所述键盘采用内嵌式按键。
所述电力载波模块105置于所述载波板上，所述电源模块101置于所述电源板上，所述处理器模块102置于所述处理器板上。所述电源板包括开关电源电路和载波通讯耦合电路。所述的电力线载波通信测试仪可以接到三相电力线上。优选的，所述便携式仪器箱采用222× 196 ×102（L×W×H 单位：mm）规格的便携式仪器箱，且面板上具有LCD液晶显示屏。
所述的电力线载波通信测试仪结合了RISE3000系列芯片进行设计，可以满足用户开发智能控制产品的需求，能在开发智能控制产品的各个阶段中发挥重要作用。该电力线载波通信测试仪专门针对电力线载波芯片在各种设备上的应用而开发，是一款结构紧凑、便捷高效、维护方便的电力线通讯测试工具。它可根据电力线载波信号提供各种相关数据，分析电力线上信号传输的性能，根据电力线收发器的使用情况和适用性进行现场测试，其设计符合EIA-709.2、EN50065-1等国际标准。
在应用产品开发初期，该电力线载波通信测试仪可用于确定电力线载波通信技术是否适合相关应用环境，进而确定最佳技术参数。比如，数据传输速率和载波频点的频率，帮助用户选择最佳系统方案。当产品进入安装推广阶段，测试仪可用来分析现场实际情况，指导现场工程人员迅速制定最佳安装实施方案。在系统安装后的维护阶段，测试仪可通过分析系统现场的通讯数据，来衡量整个系统的稳定性，并在必要时快速找出和解决问题。在进行电力通信系统的现场施工，电力线载波通信测试仪还可以提供线路通讯状况分析，提供包括相位检测、信号质量监测、物理层通信测试等功能，帮助工作人员全面了解电力线通讯性能情况。
本发明所述的电力线载波通信测试仪是一种多功能分析仪器，主要用于电力线载波通信环境的测量和分析，可计算通讯环境中的背景噪音、所收到载波信号的信噪比以及发送方的市电相位等。它能通过选择不同的载波频率、数据传送速率以及数据包长度等来进一步分析电力线载波通讯环境，并且能记录测试过程中的误包率以及各种错包类型，还可以用于指导电力通讯系统的现场施工人员，帮助其全面分析电力线载波通信情况。
根据各种不同的应用现场，PLCT-R1电力线通讯测试仪具有以下功能：检测被测低压供电线路的通信质量； 检测传输信号强度大小； 检测信号噪声比，判断线路通讯环境的好坏； 调整发送信号参数，例如：信号强度、数据包长度、频段、数据率等，测试相应的不同通讯效果； 判别两个点之间的上行、下行的通信质量； 提供错误包信息，以便计算误包率以及误包原因； 判断发送方与接收方之间的市电相位； 提供UART口数据传输方式，以实现用户透明数据和命令数据的传输； 通过外部耦合电路输出口来测量发送的电力线载波信号。
本发明所述的电力线载波通信测试仪利用世界上范围分布最广的低压电力线作为通信媒介，基于载波自动路由技术开发的远程控制LED灯具能充分的解决目前电力线高噪声、高衰减、信号畸变大的特点，并预留多种类灯具接口，可充分的应用到隧道等公共场所节能改造工程。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (6)

  1. 一种电力线载波通信测试仪，包括便携式仪器箱，其特征在于，所述便携式仪器箱内包括显示模块、若干外设接口、处理器模块、电源模块、电力载波模块和检测模块；所述若干外设接口设置在所述处理器模块上，所述处理器模块分别与所述电源模块、所述显示模块和所述电力载波模块相连接，用于处理从所述外设接口接收到的通讯信号或处理从所述电力载波模块接收到的载波通信协议栈，并把处理后的结果发送到显示模块进行显示；
    所述电力载波模块分别与电力线、所述检测模块相连接，用于收发电力线载波的通讯信号和处理载波通信协议栈；所述检测模块对从所述电力载波模块接收到的通讯信号进行检测。
  2. 根据权利要求1所述的电力线载波通信测试仪，其特征在于，所述检测模块包括通信数据耦合单元、电流检测单元和三相检测单元，所述通信数据耦合单元、所述电流检测单元和所述三相检测单元分别与所述电力载波模块相连，分别检测电力载波通讯信号的通信数据、电流数据和三相电力数据。
  3. 根据权利要求1所述的电力线载波通信测试仪，其特征在于，所述电力载波模块与所述处理器模块之间通过串口进行通讯。
  4. 根据权利要求1所述的电力线载波通信测试仪，其特征在于，所述便携式仪器内还包括键盘，所述键盘采用内嵌式按键。
  5. 根据权利要求1所述的电力线载波通信测试仪，其特征在于，所述电力载波模块置于所述载波板上，所述电源模块置于所述电源板上，所述处理器模块置于所述处理器板上。
  6. 根据权利要求5所述的电力线载波通信测试仪，其特征在于，所述电源板包括开关电源电路和载波通讯耦合电路。
PCT/CN2014/089067 2014-02-10 2014-10-21 一种电力线载波通信测试仪 WO2015117381A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420060770.0U CN203859754U (zh) 2014-02-10 2014-02-10 一种电力线载波通信测试仪
CN201420060770.0 2014-02-10

Publications (1)

Publication Number Publication Date
WO2015117381A1 true WO2015117381A1 (zh) 2015-08-13

Family

ID=51609598

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/089067 WO2015117381A1 (zh) 2014-02-10 2014-10-21 一种电力线载波通信测试仪

Country Status (2)

Country Link
CN (1) CN203859754U (zh)
WO (1) WO2015117381A1 (zh)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105356910A (zh) * 2015-11-27 2016-02-24 中电装备山东电子有限公司 一种低压电力线载波模块的测试系统
CN106291225A (zh) * 2016-08-31 2017-01-04 国网河南省电力公司郑州供电公司 载波通讯排查低压串户的方法
CN107317640A (zh) * 2017-07-24 2017-11-03 国网湖南省电力公司 载波通信模块检测台
CN108418310A (zh) * 2018-05-10 2018-08-17 陈书画 一种基于电力线通讯技术的电力管理装置
CN108768463A (zh) * 2018-08-17 2018-11-06 苏州路易威森电梯有限公司 一种差分通讯和电力载波网络通讯系统
CN108802664A (zh) * 2018-06-20 2018-11-13 国网四川省电力公司广元供电公司 一种户表验收装置
CN108847869A (zh) * 2018-09-12 2018-11-20 国家电网有限公司 多功能便携式电力模拟通道测试装置及其测试方法
CN109298321A (zh) * 2018-11-10 2019-02-01 新开普电子股份有限公司 一种综合调试器
CN110212944A (zh) * 2019-06-06 2019-09-06 浙江八达电子仪表有限公司 一种i型集中器路由通讯模块批量检测装置及其检测方法
CN110290357A (zh) * 2019-07-29 2019-09-27 杨柳 采用多个5g电力载波网关的便携式高清电力载波摄像监控系统
CN111800815A (zh) * 2020-05-22 2020-10-20 中国电力科学研究院有限公司 一种230MHz离散载波通信网络的定点测试系统
CN114006634A (zh) * 2021-09-30 2022-02-01 广东电网有限责任公司电力调度控制中心 一种低压电力线载波通信信息监测方法及系统
CN114244403A (zh) * 2021-12-22 2022-03-25 上海欧秒电力监测设备有限公司 一种电力载波在线故障检测装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203859754U (zh) * 2014-02-10 2014-10-01 瑞斯康微电子（深圳）有限公司 一种电力线载波通信测试仪
CN104753564B (zh) * 2015-04-23 2017-04-12 南京芯度电子科技有限公司 一种具备测量模式的plc通信装置以及信道测量方法
CN104811224A (zh) * 2015-05-09 2015-07-29 盛吉高科（北京）科技有限公司 一种针对电力线载波通信模块的测试系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201966909U (zh) * 2011-01-24 2011-09-07 南京致德软件科技有限公司 低压窄带电力线载波通信综合测试系统
CN102594403A (zh) * 2012-03-26 2012-07-18 重庆市电力公司电力科学研究院 一种电力线载波通信环境测试系统和方法
CN202340226U (zh) * 2011-06-30 2012-07-18 珠海中慧微电子有限公司 电力线载波通信性能指标全自动测试装置
CN203859754U (zh) * 2014-02-10 2014-10-01 瑞斯康微电子（深圳）有限公司 一种电力线载波通信测试仪

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201966909U (zh) * 2011-01-24 2011-09-07 南京致德软件科技有限公司 低压窄带电力线载波通信综合测试系统
CN202340226U (zh) * 2011-06-30 2012-07-18 珠海中慧微电子有限公司 电力线载波通信性能指标全自动测试装置
CN102594403A (zh) * 2012-03-26 2012-07-18 重庆市电力公司电力科学研究院 一种电力线载波通信环境测试系统和方法
CN203859754U (zh) * 2014-02-10 2014-10-01 瑞斯康微电子（深圳）有限公司 一种电力线载波通信测试仪

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105356910A (zh) * 2015-11-27 2016-02-24 中电装备山东电子有限公司 一种低压电力线载波模块的测试系统
CN106291225A (zh) * 2016-08-31 2017-01-04 国网河南省电力公司郑州供电公司 载波通讯排查低压串户的方法
CN107317640A (zh) * 2017-07-24 2017-11-03 国网湖南省电力公司 载波通信模块检测台
CN108418310A (zh) * 2018-05-10 2018-08-17 陈书画 一种基于电力线通讯技术的电力管理装置
CN108802664A (zh) * 2018-06-20 2018-11-13 国网四川省电力公司广元供电公司 一种户表验收装置
CN108768463A (zh) * 2018-08-17 2018-11-06 苏州路易威森电梯有限公司 一种差分通讯和电力载波网络通讯系统
CN108847869B (zh) * 2018-09-12 2024-02-06 国家电网有限公司 多功能便携式电力模拟通道测试装置及其测试方法
CN108847869A (zh) * 2018-09-12 2018-11-20 国家电网有限公司 多功能便携式电力模拟通道测试装置及其测试方法
CN109298321A (zh) * 2018-11-10 2019-02-01 新开普电子股份有限公司 一种综合调试器
CN110212944A (zh) * 2019-06-06 2019-09-06 浙江八达电子仪表有限公司 一种i型集中器路由通讯模块批量检测装置及其检测方法
CN110212944B (zh) * 2019-06-06 2024-04-09 浙江八达电子仪表有限公司 一种i型集中器路由通讯模块批量检测装置及其检测方法
CN110290357A (zh) * 2019-07-29 2019-09-27 杨柳 采用多个5g电力载波网关的便携式高清电力载波摄像监控系统
CN110290357B (zh) * 2019-07-29 2024-04-23 杨柳 采用多个5g电力载波网关的便携式高清电力载波摄像监控系统
CN111800815A (zh) * 2020-05-22 2020-10-20 中国电力科学研究院有限公司 一种230MHz离散载波通信网络的定点测试系统
CN114006634A (zh) * 2021-09-30 2022-02-01 广东电网有限责任公司电力调度控制中心 一种低压电力线载波通信信息监测方法及系统
CN114244403A (zh) * 2021-12-22 2022-03-25 上海欧秒电力监测设备有限公司 一种电力载波在线故障检测装置

Also Published As

Publication number Publication date
CN203859754U (zh) 2014-10-01

Similar Documents

Publication Publication Date Title
WO2015117381A1 (zh) 一种电力线载波通信测试仪
CN103244184B (zh) 一种井下综采工作面矿压实时监控系统
WO2017156837A1 (zh) 一种全频带电力线载波通信方法
WO2020119141A1 (zh) 一种电能表串户排查装置及方法
CN104597339B (zh) 具有语音装置的智能台区识别仪及识别方法
KR20090023240A (ko) 변전 설비 감시 시스템 및 방법
CN107146394A (zh) 一种基于LoRa技术的矿井环境安全检测方法
CN203133584U (zh) 一种can通信接口、电缆监测器及电缆监测系统
CN203275994U (zh) 基于电力载波和zigbee网络技术的节能控制系统
CN107989783A (zh) 一种蓄水系统的控制装置及设备
CN206740854U (zh) 一种电能计量设备载波通信模块的功耗检测装置
US7816803B1 (en) Power line control system
US20120249120A1 (en) Current loop detection system and current loop detection method thereof
CN210609169U (zh) 一种基于载波通信的低压电缆路径探测仪
Kiedrowski et al. Method of Assessing the Efficiency of Electrical Power Circuit Separation with the Power Line Communication for Railway Signs Monitoring
CN204495947U (zh) 感应式线束检测系统
CN202904869U (zh) 一种带有中继功能的rs485总线接口
CN106937319A (zh) 一种无线设备的天线故障自检方法
CN106710189A (zh) 监测数据采集传输装置
CN218845778U (zh) 一种多路电极式水侵报警器
CN105933074A (zh) 一种微功率通讯模块覆盖距离测试方法
CN205263636U (zh) 一种计算机机房远程报警控制系统
CN102904657B (zh) 一种调频广播收听监测接收机
CN201583602U (zh) 低压相序相位仪
CN105336082A (zh) 一种住宅火灾智能监测装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14881676

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 26/01/2017)

122 Ep: pct application non-entry in european phase

Ref document number: 14881676

Country of ref document: EP

Kind code of ref document: A1