WO2013056609A1 - Electric energy quality type energy efficiency data acquisition terminal - Google Patents

Electric energy quality type energy efficiency data acquisition terminal Download PDF

Info

Publication number
WO2013056609A1
WO2013056609A1 PCT/CN2012/081499 CN2012081499W WO2013056609A1 WO 2013056609 A1 WO2013056609 A1 WO 2013056609A1 CN 2012081499 W CN2012081499 W CN 2012081499W WO 2013056609 A1 WO2013056609 A1 WO 2013056609A1
Authority
WO
WIPO (PCT)
Prior art keywords
current
voltage
module
power
curve
Prior art date
Application number
PCT/CN2012/081499
Other languages
French (fr)
Chinese (zh)
Inventor
钟鸣
闫华光
王鹤
杨湘江
章欣
王红梅
李德智
李涛永
蒋利民
苗常海
何桂雄
周昭茂
Original Assignee
中国电力科学研究院
国家电网公司
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 中国电力科学研究院, 国家电网公司 filed Critical 中国电力科学研究院
Publication of WO2013056609A1 publication Critical patent/WO2013056609A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging

Definitions

  • the present invention relates to an energy efficiency collecting device for an electrical instrumentation instrument industry, and in particular to a power quality energy efficiency data collecting terminal.
  • Accurate energy efficiency basic data mainly depends on on-site real-time acquisition, and needs to be collected and transmitted by a dedicated collection terminal.
  • There are many electrical parameters such as phase/line voltage/current, power factor, fundamental power, and harmonic power in the actual field.
  • the real-time acquisition effect of these parameters directly affects the reliability of the energy efficiency analysis results. Therefore, it is urgent to develop a real-time power quality energy efficiency data collection terminal that satisfies industrial site and energy efficiency monitoring requirements.
  • the utility model with the patent number ZL201020214236.2 discloses a special collection terminal for installing a modular communication module, and a device for collecting power information of the user.
  • the remote communication module and the signal expansion interface module which are solidified in the special-purpose collection terminal are designed as plug-in modules, and a unified pin is formulated.
  • the utility model patent No. ZL200920069055.2 discloses a wireless data collection terminal, which comprises a radio frequency identification module, a main control module and a communication module, so as to realize wireless data collection and wireless Transmission.
  • the utility model with the patent number ZL200920279096.4 discloses a collection terminal for the power management system for easy deployment and expansion.
  • the utility model with the patent number ZL200920236498.6 discloses a collection terminal for a centralized meter reading system of a low-voltage power user, which can be operated on the main station to realize remote system update.
  • the above utility model provides a technical basis for the development of power quality energy efficiency data acquisition terminals, but does not meet the requirements of cluster deployment, multiple data type acquisition, multiple interface transmission, etc., which fully meets the requirements of industrial field energy efficiency harmonic power collection.
  • SUMMARY OF THE INVENTION In order to overcome the above drawbacks, the present invention provides a power quality type energy efficiency data collection terminal, which can collect a plurality of harmonic power parameters through cluster deployment.
  • the present invention provides a power quality type energy efficiency data collection terminal, the collection terminal includes: a housing, an MCU module, and a power storage module connected to the MCU module, wherein the improvement is performed with the MCU
  • the module respectively connects the AD conversion module and the communication module; all of the above modules are disposed in the outer casing, and the outer casing is coated with an electromagnetic shielding layer.
  • the MCU module controls the power storage module, the AD conversion module, and the communication module, and receives parameters transmitted by the AD conversion module.
  • the power storage module includes a DC power source, an auxiliary power source, and a data memory.
  • the AD conversion module is a chip of the model ADS1178; the AD conversion module collects an analog quantity of a three-phase voltage, a three-phase current, and a neutral current, and the analog quantity collected After the A/D conversion, arithmetic processing is performed, and the result of the processing is transmitted to the MCU module.
  • the communication module includes an RS485 and an expansion interface; and the expansion interface can be inserted into the PLC unit or the micro power wireless unit according to communication requirements.
  • the electromagnetic shielding layer of the outer casing is a polymer layer; the outer casing is provided with a display device for displaying the collected parameters and an auxiliary terminal for collecting data; the display device and the The MCU modules are connected, and the auxiliary terminals are respectively connected to the AD conversion module, the sensor module, and the communication module.
  • the MCU module records the following events and the following functions: a harmonic 1 curve, a harmonic 2 curve, a voltage/current curve, a power curve, a harmonic overrun event, and a harmonic Power curve, ABC current/voltage deviation violation event, voltage/current imbalance event, voltage/current imbalance curve, flicker curve, cross-month settlement, electrical energy freeze, power-on, power-down, clear, phase-out And school time.
  • the MCU module is a chip of the type AT91SAM9260.
  • the data storage is a core piece of the type AT24C64.
  • the PLC unit is a chip of the type 74HTC244, and the micro power wireless unit is a chip of the type CC1100.
  • the display device is a 2048 color liquid crystal display having a size of 3.5 inches.
  • the polymer layer is selected from the group consisting of polyaniline, polythiophene or polyphenylene.
  • the harmonic 1 curve refers to recording a curve of 2 to 19 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI. ;
  • the harmonic 2 curve refers to recording a curve of 20 to 50 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI;
  • the power-down refers to a condition in which the three-phase voltage is lower than the threshold voltage of the electric energy meter, and the load current is not more than 5% of the rated current;
  • the loss of pressure means that in a three-phase power supply system, any phase load current is greater than the startup current, but the voltage When the voltage of the line is lower than 78% of the reference voltage of the electric energy meter, and the duration is greater than 1 minute; the current loss means that in the three-phase power supply system, the three-phase voltage is greater than the threshold voltage of the electric energy meter, and the three-phase current is One or two phases less than the starting current, and other phase line load currents greater than 5% of the rated current;
  • the electric energy freezing refers to notifying the currently frozen electric energy.
  • the timing operation uses a soft clock and a network timing.
  • the polymer layer is made of polyethylene dioxythiophene.
  • the technical solution provided by the present invention can not only solve the power quality data type energy efficiency data collection and transmission problem, but also the power quality analysis function is flexible, fully satisfying the purpose of real-time energy efficiency monitoring according to the actual needs of energy efficiency evaluation;
  • the mass-type energy-efficiency data acquisition terminal realizes the display of various electric energy information and the safe, stable and reliable transmission of various interfaces, making real-time collection and transmission of energy-efficient harmonic electric quantity data possible, especially for 2 to 19 harmonics.
  • the wave is collected in real time, which solves the shortcomings of high cost of applying smart meter, is suitable for comprehensive promotion, and can provide accurate energy efficiency basic data for energy efficiency data center, and provide technical support for energy saving policy.
  • the terminal also fully considers different work.
  • FIG. 1 is a schematic diagram showing the internal structure of a power quality energy efficiency data collection terminal.
  • Figure 2 is a front view of the acquisition terminal housing.
  • Figure 3 is a schematic view of the rear and side portions of the collection terminal housing.
  • Figure 4 is a schematic diagram of the auxiliary terminal.
  • Figure 5 shows the remote local diagram of the RS485 interface.
  • FIG. 6 is a remote local schematic of the PLC unit and the micropower wireless unit.
  • the power quality type energy efficiency data collection terminal collects a phase voltage, a phase current, and a neutral current analog quantity of a voltage sensor and a current sensor, and obtains power through an AD conversion module operation process. Information such as power factor, frequency, harmonics, and electrical energy.
  • the data operation storage and management is realized by the micro control unit (MCU), and the uplink communication is realized by means of RS485 interface, PLC or micro power wireless.
  • the micro control unit uses an AT91SAM9260 with an ARM9 core as the MCU, and the AT91SAM9260 has a maximum frequency of 180 MHz.
  • the AD conversion module uses TI's ADS1178 analog-to-digital converter with 16-bit accuracy and a conversion rate of up to 52kSPS to ensure speed and accuracy in harmonic calculations.
  • the micro control unit (MCU) module is a core of the entire terminal, and the MCU module is a chip of the type AT91SAM9260; the MCU module records the following events and the following functions through data operation processing: a harmonic 1 curve, Harmonic 2 curve, voltage/current curve, power curve, harmonic overrun event, harmonic power curve, ABC current/voltage deviation violation event, voltage loss/current loss event, voltage/current imbalance curve, flicker Curves, cross-month settlement, electrical energy freeze, power-on, power-down, zeroing, phase-failure, and school hours.
  • the harmonic 1 curve refers to recording a curve of 2 to 19 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI;
  • the harmonic 2 curve refers to recording a curve of 20 to 50 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI;
  • the power-down event means that the three-phase voltage is lower than the threshold voltage of the electric energy meter, and the load current is not more than 5%. Rated current conditions.
  • the voltage loss refers to a phase load current greater than the starting current in the three-phase power supply system, but the voltage of the voltage line is lower than 78% of the reference voltage of the electric energy meter, and the duration is greater than 1 minute.
  • the current loss means that in the three-phase power supply system, the three-phase voltage is greater than the threshold voltage of the electric energy meter, and any one or two phases of the three-phase current is smaller than the starting current, and the other phase line load current is greater than 5% of the rated current. condition.
  • the electric energy freezing event refers to notifying the currently frozen electric energy.
  • the harmonic over-limit event, the voltage/current unbalance event, and the ABC current/voltage deviation event record are based on the on-site power quality requirement, and are loaded into the device through the above-mentioned standard limit to realize the electric energy. Quality analysis function.
  • the curve record, the copy time interval defaults to 15mm, and other values can be flexibly set.
  • the communication module uses one of an RS485 interface, a micro power wireless unit or a PLC unit, wherein the RS485 interface is used as a standard configuration interface of the meter, and the micro power wireless module and the PLC module are designed to be pluggable.
  • the same interface standard is used on the meter to use the corresponding communication module depending on the environment and cost.
  • the RS485 interface can also be used as a maintenance interface for parameter settings.
  • the PLC unit is a chip of the type 74HTC244; the micro power wireless unit is a chip of the type CC1100.
  • the specifications of the CC1100 chip are: Operating frequency band: 402 ⁇ 470mhz ; Micro transmit power: Maximum transmit power lOmw; Sleep current ⁇ lOua;
  • the CC1100 chip supports high-precision temperature-compensated crystal, which can perform 8/16/32 channels, etc.
  • Channel selection and multi-user interface such as rs232 / rs485 / uart interface, and support communication speeds such as 1200/2400/4800/9600/19200/38400bps, support 8nl, 8el and other communication
  • the format can also automatically and quickly complete the receiving/transmitting mode switching, which is convenient for users.
  • the power quality type energy efficiency data collection terminal adopts an intensive mode design combining a soft clock and a network time-to-time, which reduces hardware structure complexity and power consumption, so that the working environment temperature, humidity, and atmospheric pressure satisfy the standard of the power information collection system; To reduce device cost, a chip clock can be used.
  • the acquisition accuracy is in accordance with the device B level accuracy. Or the accuracy of the acquisition terminal is up to (2) accuracy as specified in (GB/T 17215.321-2008/ IEC 62053-21 :2003).
  • the curve record copy interval defaults to 15mm and can be flexibly set; select the appropriate memory size based on the amount of data collected.
  • the data storage uses a chip of the type AT24C64; the power quality energy type energy efficiency collection terminal does not use a concentrator to collect data, so the data memory is designed to store a curve of 30 times 96 points when saving data time.
  • Data when not storing 20-50 harmonic data, each point stores 530 Bytes, a total of 1491K; if you need to store 20-50 harmonic data, you need to increase the storage space of 1308K.
  • the outer casing of the power quality type energy efficiency data collection terminal is coated with an electromagnetic shielding layer, and the electromagnetic shielding layer is formed of a conductive polymer layer, and the conductive polymer layer may be a material having solubility or dispersibility, such as: polyaniline And polythiophene and polyparaphenylene; the conductive polymer layer is preferably made of polyethylene dioxythiophene.
  • the power quality type energy efficiency data collection terminal may have a size of 260 mm to 270 mm, a width of 165 mm to 175 mm, and a height of 70 mm to 80 mm; the most preferred dimensions are: length 265 mm, width 170 mm, height 75 mm

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

An electric energy quality type energy efficiency data acquisition terminal, comprising a housing, an MCU module, a power storage module connected to the MCU module, and an AD conversion module and a communication module respectively connected to the MCU module; the housing is coated with an electromagnetic shielding layer; and the communication module is selected from an RS 485 interface, a PLC unit or a micro-power wireless unit. The acquisition terminal can acquire various electric quantity parameters via a clustered deployment.

Description

一种电能质量型能效数据釆集终端 技术领域 本发明涉及一种电工仪器仪表行业能效采集装置， 具体讲涉及一种电能质 量型能效数据采集终端。  TECHNICAL FIELD The present invention relates to an energy efficiency collecting device for an electrical instrumentation instrument industry, and in particular to a power quality energy efficiency data collecting terminal.
背景技术 现有技术中基础技术与基础数据的匮乏给节能产业的整体发展带来了很大 障碍。 准确的能效基础数据是评价所有节能技术效果的关键。 当前各种节能数 据、 能效信息混乱给节能产业带来很多隐患。 因此， 亟待建立统一的能效数据 中心， 获取全面的节能服务行业数据， 为节能行业发展提供数据支撑和技术保 障， 对节能项目进行监测和节能服务机构进行评估， 为国家和各级政府机构节 能政策提供支撑。 BACKGROUND OF THE INVENTION The lack of basic technologies and basic data in the prior art has brought great obstacles to the overall development of the energy-saving industry. Accurate energy efficiency data is the key to evaluating the effectiveness of all energy-saving technologies. The current confusion of various energy-saving data and energy efficiency information has brought many hidden dangers to the energy-saving industry. Therefore, it is urgent to establish a unified energy efficiency data center, obtain comprehensive energy-saving service industry data, provide data support and technical support for the development of energy-saving industries, conduct monitoring and energy-saving service agencies for energy-saving projects, and provide energy conservation policies for national and provincial government agencies. Provide support.
准确的能效基础数据主要依赖于现场实时采集， 需采用专用采集终端进行采 集并传输。 实际现场存在许多诸如相 /线电压 /电流、 功率因数、 基波功率、 谐波 功率等电参数， 这些参数的实时采集效果直接影响能效分析结果的可靠性。 因 此， 亟待开发一种满足工业现场及能效监测要求的实时电能质量型能效数据采 集终端。  Accurate energy efficiency basic data mainly depends on on-site real-time acquisition, and needs to be collected and transmitted by a dedicated collection terminal. There are many electrical parameters such as phase/line voltage/current, power factor, fundamental power, and harmonic power in the actual field. The real-time acquisition effect of these parameters directly affects the reliability of the energy efficiency analysis results. Therefore, it is urgent to develop a real-time power quality energy efficiency data collection terminal that satisfies industrial site and energy efficiency monitoring requirements.
专利号为 ZL201020214236.2的实用新型披露了一种安装模块化通信模块的 专变采集终端， 用以采集专变用户电能信息的装置。 所述专变采集终端内固化 的远程通信模块和信号扩展接口模块都设计成插拔式的模块， 并制定统一的管 脚。  The utility model with the patent number ZL201020214236.2 discloses a special collection terminal for installing a modular communication module, and a device for collecting power information of the user. The remote communication module and the signal expansion interface module which are solidified in the special-purpose collection terminal are designed as plug-in modules, and a unified pin is formulated.
专利号为 ZL200920069055.2的实用新型披露了一种无线数据采集终端，该终 端包括射频识别模块、 主控模块以及通信模块， 以实现数据的无线采集和无线 传输。 The utility model patent No. ZL200920069055.2 discloses a wireless data collection terminal, which comprises a radio frequency identification module, a main control module and a communication module, so as to realize wireless data collection and wireless Transmission.
专利号为 ZL200920279096.4 的实用新型披露了一种电量管理***用采集终 端， 以便于部署及扩展。  The utility model with the patent number ZL200920279096.4 discloses a collection terminal for the power management system for easy deployment and expansion.
专利号为 ZL200920236498.6 的实用新型披露了一种用于低压电力用户集中 抄表***的采集终端， 可以在主站上操作， 实现远程***更新。 以上的实用新型为电能质量型能效数据采集终端的研发提供了技术基础，但 没有达到集群式部署、 多种数据类型采集、 多种接口传输等完全适应工业现场 能效谐波电量采集的要求。 发明内容 为了克服上述缺陷， 本发明提供了一种电能质量型能效数据采集终端， 通过 集群式部署， 可以对多种谐波电量参数进行采集。 为实现上述目的， 本发明提供一种电能质量型能效数据采集终端， 所述采 集终端包括： 外壳、 MCU模块、 与所述 MCU模块连接的电源存储模块， 其改 进之处在于， 与所述 MCU模块分别连接的 AD转换模块和通信模块； 上述全部 模块都设置在所述外壳中， 所述外壳内部涂覆有电磁屏蔽层。  The utility model with the patent number ZL200920236498.6 discloses a collection terminal for a centralized meter reading system of a low-voltage power user, which can be operated on the main station to realize remote system update. The above utility model provides a technical basis for the development of power quality energy efficiency data acquisition terminals, but does not meet the requirements of cluster deployment, multiple data type acquisition, multiple interface transmission, etc., which fully meets the requirements of industrial field energy efficiency harmonic power collection. SUMMARY OF THE INVENTION In order to overcome the above drawbacks, the present invention provides a power quality type energy efficiency data collection terminal, which can collect a plurality of harmonic power parameters through cluster deployment. To achieve the above objective, the present invention provides a power quality type energy efficiency data collection terminal, the collection terminal includes: a housing, an MCU module, and a power storage module connected to the MCU module, wherein the improvement is performed with the MCU The module respectively connects the AD conversion module and the communication module; all of the above modules are disposed in the outer casing, and the outer casing is coated with an electromagnetic shielding layer.
本发明提供的优选技术方案中， 所述 MCU模块控制所述电源存储模块、 AD转换模块和通信模块， 并接收所述 AD转换模块传递的参数。  In a preferred technical solution provided by the present invention, the MCU module controls the power storage module, the AD conversion module, and the communication module, and receives parameters transmitted by the AD conversion module.
本发明提供的第二优选技术方案中， 所述电源存储模块包括直流电源、 辅 助电源和数据存储器。  In a second preferred technical solution provided by the present invention, the power storage module includes a DC power source, an auxiliary power source, and a data memory.
本发明提供的第三优选技术方案中， 所述 AD转换模块为型号 ADS1178的 芯片； 所述 AD 转换模块采集三相电压、 三相电流及中性线电流的模拟量， 并 将采集的模拟量 A/D转换后进行运算处理， 把处理的结果传递到所述 MCU模 块。  In a third preferred technical solution provided by the present invention, the AD conversion module is a chip of the model ADS1178; the AD conversion module collects an analog quantity of a three-phase voltage, a three-phase current, and a neutral current, and the analog quantity collected After the A/D conversion, arithmetic processing is performed, and the result of the processing is transmitted to the MCU module.
本发明提供的第四优选技术方案中，所述通信模块包括 RS485和扩展接口； 所述扩展接口根据通信需求可*** PLC单元或微功率无线单元。 本发明提供的第五优选技术方案中， 所述外壳的电磁屏蔽层为高分子层； 所述外壳设有显示采集到的参数的显示装置和采集数据的辅助端子； 所述显示 装置与所述 MCU模块连接， 所述辅助端子分别与所述 AD转换模块、所述传感 器模块和所述通信模块连接。 In a fourth preferred technical solution provided by the present invention, the communication module includes an RS485 and an expansion interface; and the expansion interface can be inserted into the PLC unit or the micro power wireless unit according to communication requirements. In a fifth preferred technical solution provided by the present invention, the electromagnetic shielding layer of the outer casing is a polymer layer; the outer casing is provided with a display device for displaying the collected parameters and an auxiliary terminal for collecting data; the display device and the The MCU modules are connected, and the auxiliary terminals are respectively connected to the AD conversion module, the sensor module, and the communication module.
本发明提供的第六优选技术方案中，所述 MCU模块记录下述事件及下述功 能： 谐波 1 曲线、 谐波 2曲线、 电压 /电流曲线、 功率曲线、 谐波越限事件、 谐 波功率曲线、 ABC 电流 /电压偏差越限事件、 失压 /失流事件、 电压 /电流不平衡 度曲线、 闪变曲线、 跨月结算、 电能量冻结、 上电、 掉电、 清零、 断相和校时。  In a sixth preferred technical solution provided by the present invention, the MCU module records the following events and the following functions: a harmonic 1 curve, a harmonic 2 curve, a voltage/current curve, a power curve, a harmonic overrun event, and a harmonic Power curve, ABC current/voltage deviation violation event, voltage/current imbalance event, voltage/current imbalance curve, flicker curve, cross-month settlement, electrical energy freeze, power-on, power-down, clear, phase-out And school time.
本发明提供的第七优选技术方案中， 所述 MCU 模块是型号为 AT91SAM9260的芯片。  In a seventh preferred technical solution provided by the present invention, the MCU module is a chip of the type AT91SAM9260.
本发明提供的第八优选技术方案中， 所述数据存储器是型号为 AT24C64的 心片。  In an eighth preferred technical solution provided by the present invention, the data storage is a core piece of the type AT24C64.
本发明提供的第九优选技术方案中， 所述 PLC单元为型号为 74HTC244的 芯片， 所述微功率无线单元为型号为 CC1100的芯片。  In a ninth preferred technical solution provided by the present invention, the PLC unit is a chip of the type 74HTC244, and the micro power wireless unit is a chip of the type CC1100.
本发明提供的第十优选技术方案中， 所述显示装置为 2048色液晶显示屏， 大小为 3.5英寸。  In a tenth preferred technical solution provided by the present invention, the display device is a 2048 color liquid crystal display having a size of 3.5 inches.
本发明提供的较优选技术方案中， 所述高分子层选自聚苯胺、 聚噻吩或聚 对苯撑。  In a preferred embodiment of the present invention, the polymer layer is selected from the group consisting of polyaniline, polythiophene or polyphenylene.
本发明提供的第二较优选技术方案中， 所述谐波 1曲线是指对 2至 19次的 谐波以及相应的电压总谐波畸变率 THDU、电流总谐波畸变率 THDI的曲线进行 记录；  In a second preferred technical solution provided by the present invention, the harmonic 1 curve refers to recording a curve of 2 to 19 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI. ;
所述谐波 2 曲线是指对 20 至 50 次的谐波以及相应的电压总谐波畸变率 THDU、 电流总谐波畸变率 THDI的曲线进行记录；  The harmonic 2 curve refers to recording a curve of 20 to 50 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI;
所述掉电是指三相电压均低于电能表临界电压， 且负荷电流不大于 5%额定 电流的工况；  The power-down refers to a condition in which the three-phase voltage is lower than the threshold voltage of the electric energy meter, and the load current is not more than 5% of the rated current;
所述失压是指在三相供电***中， 任一相负荷电流大于启动电流， 但电压 线的电压低于电能表参比电压的 78%时， 且持续时间大于 1分钟； 所述失流是指在三相供电***中， 三相电压大于电能表的临界电压， 三相 电流中任一相或两相小于启动电流， 且其他相线负荷电流大于 5%额定电流的工 况； The loss of pressure means that in a three-phase power supply system, any phase load current is greater than the startup current, but the voltage When the voltage of the line is lower than 78% of the reference voltage of the electric energy meter, and the duration is greater than 1 minute; the current loss means that in the three-phase power supply system, the three-phase voltage is greater than the threshold voltage of the electric energy meter, and the three-phase current is One or two phases less than the starting current, and other phase line load currents greater than 5% of the rated current;
所述电能量冻结是指对当前冻结的电能量进行通知。  The electric energy freezing refers to notifying the currently frozen electric energy.
本发明提供的第三较优选技术方案中， 所述校时操作采用软时钟和网络对 时。 本发明提供的第四较优选技术方案中， 所述高分子层由聚乙烯二氧噻吩制 成。  In a third preferred solution provided by the present invention, the timing operation uses a soft clock and a network timing. In a fourth preferred embodiment of the present invention, the polymer layer is made of polyethylene dioxythiophene.
与现有技术比， 本发明提供的技术方案可根据能效测评的实际需要， 不仅 解决了电能质量电量型能效数据采集和传输难题， 而且电能质量分析功能灵活， 完全满足实时能效监测的目的； 电能质量型能效数据采集终端实现了多种电能 量信息的显示和多种接口安全、 稳定、 可靠的传输， 使能效谐波电量型数据的 实时采集和传输成为可能， 特别是对 2至 19次谐波进行实时采集， 解决了应用 智能电表成本高的缺点， 适于全面推广， 而且可为能效数据中心提供准确的能 效基础数据， 为节能政策提供技术支撑； 此外， 该终端还充分考虑了不同工作 环境需求， 如通讯模式可选择微功率无线或 PLC等信号传输， 并为未来主站实 现智能控制留下扩展接口； 再者， 所述采集终端抗干扰性强， 所采用的电磁屏 蔽层具备完善周密的电磁兼容性设计， 能够使采集终端在高低温、 高压和高湿 等恶劣环境运行时免除电磁干扰， 还具备完善周密的三级防雷措施。 附图说明 图 1为电能质量型能效数据采集终端的内部结构示意图。  Compared with the prior art, the technical solution provided by the present invention can not only solve the power quality data type energy efficiency data collection and transmission problem, but also the power quality analysis function is flexible, fully satisfying the purpose of real-time energy efficiency monitoring according to the actual needs of energy efficiency evaluation; The mass-type energy-efficiency data acquisition terminal realizes the display of various electric energy information and the safe, stable and reliable transmission of various interfaces, making real-time collection and transmission of energy-efficient harmonic electric quantity data possible, especially for 2 to 19 harmonics. The wave is collected in real time, which solves the shortcomings of high cost of applying smart meter, is suitable for comprehensive promotion, and can provide accurate energy efficiency basic data for energy efficiency data center, and provide technical support for energy saving policy. In addition, the terminal also fully considers different work. Environmental requirements, such as communication mode, can choose micro-power wireless or PLC signal transmission, and leave an extended interface for intelligent control of the future master station; Furthermore, the acquisition terminal has strong anti-interference, and the electromagnetic shielding layer used is perfect. Thoughtful electromagnetic compatibility design, capable Collection Terminal exempt electromagnetic interference in high temperature, high pressure and high humidity and other harsh environment operation, also with a sound and thorough three lightning protection measures. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram showing the internal structure of a power quality energy efficiency data collection terminal.
图 2为采集终端外壳的前部示意图。  Figure 2 is a front view of the acquisition terminal housing.
图 3为采集终端外壳的后部和侧部示意图。 图 4为辅助端子示意图。 Figure 3 is a schematic view of the rear and side portions of the collection terminal housing. Figure 4 is a schematic diagram of the auxiliary terminal.
图 5为 RS485接口的远程本地示意图。  Figure 5 shows the remote local diagram of the RS485 interface.
图 6为 PLC单元和微功率无线单元的远程本地示意图。 具体实施方式 如图 1至图 4所示， 所述电能质量型能效数据采集终端采集电压传感器、 电流传感器的相电压、 相电流及中性线电流模拟量， 经过 AD 转换模块运算处 理获得功率、 功率因数、 频率、 谐波及电能等信息。 由微控制单元 (MCU)实现 数据运算存储与管理， 再通过 RS485接口、 PLC或微功率无线等方式实现上行 通讯。  Figure 6 is a remote local schematic of the PLC unit and the micropower wireless unit. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS As shown in FIG. 1 to FIG. 4, the power quality type energy efficiency data collection terminal collects a phase voltage, a phase current, and a neutral current analog quantity of a voltage sensor and a current sensor, and obtains power through an AD conversion module operation process. Information such as power factor, frequency, harmonics, and electrical energy. The data operation storage and management is realized by the micro control unit (MCU), and the uplink communication is realized by means of RS485 interface, PLC or micro power wireless.
所述微控制单元 (MCU)，采用具有 ARM9内核的 AT91SAM9260作为 MCU, AT91SAM9260的最高频率可达 180MHZ。  The micro control unit (MCU) uses an AT91SAM9260 with an ARM9 core as the MCU, and the AT91SAM9260 has a maximum frequency of 180 MHz.
所述 AD转换模块采用 TI的 ADS1178模数转换器， 该转换器精度达到了 16位， 转换速率最高可达 52kSPS， 以保证在进行谐波计算时的速度和精度。  The AD conversion module uses TI's ADS1178 analog-to-digital converter with 16-bit accuracy and a conversion rate of up to 52kSPS to ensure speed and accuracy in harmonic calculations.
所述微控制单元 （MCU) 模块为整个终端的核心， 所述 MCU模块是型号 为 AT91SAM9260的芯片；所述 MCU模块通过数据运算处理实现下述事件及下 述功能的记录： 谐波 1 曲线、 谐波 2曲线、 电压 /电流曲线、 功率曲线、 谐波越 限事件、 谐波功率曲线、 ABC 电流 /电压偏差越限事件、 失压 /失流事件、 电压 / 电流不平衡度曲线、 闪变曲线、 跨月结算、 电能量冻结、 上电、 掉电、 清零、 断相和校时。  The micro control unit (MCU) module is a core of the entire terminal, and the MCU module is a chip of the type AT91SAM9260; the MCU module records the following events and the following functions through data operation processing: a harmonic 1 curve, Harmonic 2 curve, voltage/current curve, power curve, harmonic overrun event, harmonic power curve, ABC current/voltage deviation violation event, voltage loss/current loss event, voltage/current imbalance curve, flicker Curves, cross-month settlement, electrical energy freeze, power-on, power-down, zeroing, phase-failure, and school hours.
其中， 所述谐波 1曲线是指对 2至 19次的谐波以及相应的电压总谐波畸变 率 THDU、 电流总谐波畸变率 THDI的曲线进行记录；  Wherein, the harmonic 1 curve refers to recording a curve of 2 to 19 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI;
所述谐波 2 曲线是指对 20 至 50 次的谐波以及相应的电压总谐波畸变率 THDU、 电流总谐波畸变率 THDI的曲线进行记录；  The harmonic 2 curve refers to recording a curve of 20 to 50 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI;
所述掉电事件是指三相电压均低于电能表临界电压， 且负荷电流不大于 5% 额定电流的工况。 The power-down event means that the three-phase voltage is lower than the threshold voltage of the electric energy meter, and the load current is not more than 5%. Rated current conditions.
所述失压是指在三相供电***中， 某相负荷电流大于启动电流， 但电压线 路的电压低于电能表参比电压的 78%时， 且持续时间大于 1分钟。  The voltage loss refers to a phase load current greater than the starting current in the three-phase power supply system, but the voltage of the voltage line is lower than 78% of the reference voltage of the electric energy meter, and the duration is greater than 1 minute.
所述失流是指在三相供电***中， 三相电压大于电能表的临界电压， 三相 电流中任一相或两相小于启动电流， 且其他相线负荷电流大于 5%额定电流的工 况。  The current loss means that in the three-phase power supply system, the three-phase voltage is greater than the threshold voltage of the electric energy meter, and any one or two phases of the three-phase current is smaller than the starting current, and the other phase line load current is greater than 5% of the rated current. condition.
所述电能量冻结事件是指对当前冻结的电能量进行通知。  The electric energy freezing event refers to notifying the currently frozen electric energy.
对电压 /电流曲线、 功率曲线、 谐波越限事件、 谐波功率曲线、 ABC 电流 / 电压偏差越限事件、 电压 /电流不平衡度曲线、 闪变曲线、 跨月结算、 上电、 清 零、断相和校时的记录均符合以下国家标准： GB12326-2000标准、 GB12325-2003 标准、 GB/T 14549-1993标准、 和 GB/T 15945-1995标准。  Voltage/current curve, power curve, harmonic over-limit event, harmonic power curve, ABC current/voltage deviation over-limit event, voltage/current imbalance curve, flicker curve, cross-month settlement, power-on, clear The records of phase failure and school time are in compliance with the following national standards: GB12326-2000 standard, GB12325-2003 standard, GB/T 14549-1993 standard, and GB/T 15945-1995 standard.
其中， 所述谐波越限事件、 电压 /电流不平衡度越限事件、 ABC电流 /电压偏 差越限事件记录， 是根据现场电能质量要求， 通过上述标准限值下装到设备中， 实现电能质量分析功能。  Wherein, the harmonic over-limit event, the voltage/current unbalance event, and the ABC current/voltage deviation event record are based on the on-site power quality requirement, and are loaded into the device through the above-mentioned standard limit to realize the electric energy. Quality analysis function.
其中，所述曲线记录，抄收时间间隔缺省为 15mm，可以灵活设置其他数值。 如图 5、 6所示， 所述通信模块利用 RS485接口、 微功率无线单元或者 PLC 单元中的其中之一， 其中 RS485接口作为仪表的标准配置接口， 微功率无线模 块和 PLC模块设计成可插拔的扩展接口的形式，在仪表上使用同一个接口标准， 以便根据环境不同及成本使用相应通信模块。 所述 RS485接口还可作为参数设 置的维护接口。  Among them, the curve record, the copy time interval defaults to 15mm, and other values can be flexibly set. As shown in FIG. 5 and 6, the communication module uses one of an RS485 interface, a micro power wireless unit or a PLC unit, wherein the RS485 interface is used as a standard configuration interface of the meter, and the micro power wireless module and the PLC module are designed to be pluggable. In the form of an extended interface, the same interface standard is used on the meter to use the corresponding communication module depending on the environment and cost. The RS485 interface can also be used as a maintenance interface for parameter settings.
其中， 所述 PLC单元为型号为 74HTC244的芯片； 所述微功率无线单元为 型号为 CC1100的芯片。  The PLC unit is a chip of the type 74HTC244; the micro power wireless unit is a chip of the type CC1100.
所述 CC1100芯片的规格为： 工作频段： 402 ~ 470mhz; 微发射功率： 最大 发射功率 lOmw; 休眠电流< lOua; 所述 CC1100芯片支持高精度温补晶体， 可 进行 8/16/32信道等多信道选择并具有 rs232 / rs485 / uart接口等多种用户接口， 并支持 1200/2400/4800/9600/19200/38400bps等通信速率， 支持 8nl、 8el等通信 格式， 还可自动、 快速完成收 /发模式切换， 方便用户使用。 The specifications of the CC1100 chip are: Operating frequency band: 402 ~ 470mhz ; Micro transmit power: Maximum transmit power lOmw; Sleep current <lOua; The CC1100 chip supports high-precision temperature-compensated crystal, which can perform 8/16/32 channels, etc. Channel selection and multi-user interface such as rs232 / rs485 / uart interface, and support communication speeds such as 1200/2400/4800/9600/19200/38400bps, support 8nl, 8el and other communication The format can also automatically and quickly complete the receiving/transmitting mode switching, which is convenient for users.
所述电能质量型能效数据采集终端采取了软时钟和网络对时结合的集约方 式设计， 降低硬件结构复杂度和功耗， 使工作环境温度、 湿度、 大气压力均满 足用电信息采集***标准； 为降低装置成本， 可采用芯片时钟。  The power quality type energy efficiency data collection terminal adopts an intensive mode design combining a soft clock and a network time-to-time, which reduces hardware structure complexity and power consumption, so that the working environment temperature, humidity, and atmospheric pressure satisfy the standard of the power information collection system; To reduce device cost, a chip clock can be used.
在所述电能质量型能效数据采集终端进行数据采集与存储操作中， 由于此 采集终端不作为计费计量用， 采集精度按照设备 B级精度。 或者采集终端精度 达到 (GB/T 17215.321-2008/ IEC 62053-21 :2003 ) 规定的不低于 2级精度。 曲线 记录抄收时间间隔缺省为 15mm，且可以灵活设置；根据所采集的数据量的大小， 选择合适的存储器大小。  In the data collection and storage operation of the power quality type energy efficiency data collection terminal, since the collection terminal is not used for billing measurement, the acquisition accuracy is in accordance with the device B level accuracy. Or the accuracy of the acquisition terminal is up to (2) accuracy as specified in (GB/T 17215.321-2008/ IEC 62053-21 :2003). The curve record copy interval defaults to 15mm and can be flexibly set; select the appropriate memory size based on the amount of data collected.
其中， 所述数据存储器使用的是型号为 AT24C64 的芯片； 电能质量电量型 能效采集终端由于不采用集中器采集数据， 所以所述数据存储器在保存数据时 间设计为存储 30乘以 96个点的曲线数据，在不存储 20-50次谐波数据时，每个 点存储 530个 Byte, 共需 1491K; 若需要存储 20-50次谐波数据， 则再需增加 1308K的存储空间。 所述电能质量型能效数据采集终端的外壳涂覆有电磁屏蔽层， 所述电磁屏 蔽层由导电高分子层形成， 所述导电高分子层可以是具有可溶性或分散性的材 料， 如： 聚苯胺、 聚噻吩和聚对苯撑； 所述导电高分子层优选由聚乙烯二氧噻 吩制成。  Wherein, the data storage uses a chip of the type AT24C64; the power quality energy type energy efficiency collection terminal does not use a concentrator to collect data, so the data memory is designed to store a curve of 30 times 96 points when saving data time. Data, when not storing 20-50 harmonic data, each point stores 530 Bytes, a total of 1491K; if you need to store 20-50 harmonic data, you need to increase the storage space of 1308K. The outer casing of the power quality type energy efficiency data collection terminal is coated with an electromagnetic shielding layer, and the electromagnetic shielding layer is formed of a conductive polymer layer, and the conductive polymer layer may be a material having solubility or dispersibility, such as: polyaniline And polythiophene and polyparaphenylene; the conductive polymer layer is preferably made of polyethylene dioxythiophene.
所述电能质量型能效数据采集终端的尺寸可以为：长 260mm至 270mm， 宽 165mm至 175mm，高 70mm至 80mm;最优选的尺寸为：长 265mm，宽 170mm， 高 75mm  The power quality type energy efficiency data collection terminal may have a size of 260 mm to 270 mm, a width of 165 mm to 175 mm, and a height of 70 mm to 80 mm; the most preferred dimensions are: length 265 mm, width 170 mm, height 75 mm
需要声明的是， 本发明内容及具体实施方式意在证明本发明所提供技术方 案的实际应用， 不应解释为对本发明保护范围的限定。 本领域技术人员在本发 明的精神和原理启发下， 可作各种修改、 等同替换、 或改进。 但这些变更或修 改均在申请待批的保护范围内。  It is to be understood that the present invention is not limited by the scope of the invention. Various modifications, equivalent substitutions, or improvements can be made by those skilled in the art in light of the spirit and principles of the invention. However, these changes or modifications are within the scope of the application for approval.

Claims

权 利 要 求 Rights request
1、 一种电能质量型能效数据采集终端， 所述采集终端包括： 外壳、 MCU模块、 与所述 MCU模块连接的电源存储模块， 其特征在于， 与所述 MCU模块分别连接的 AD转换模块和 通信模块； 上述全部模块都设置在所述外壳中， 所述外壳内部涂覆有电磁屏蔽层。 A power quality type energy efficiency data collection terminal, the collection terminal includes: a casing, an MCU module, and a power storage module connected to the MCU module, wherein the AD conversion module and the MCU module are respectively connected Communication module; all of the above modules are disposed in the outer casing, and the outer casing is coated with an electromagnetic shielding layer.
2、 根据权利要求 1所述的采集终端， 其特征在于， 所述 MCU模块控制所述电源存储模 块、 AD转换模块和通信模块， 并接所述 AD转换模块传递的参数。  2. The collection terminal according to claim 1, wherein the MCU module controls the power storage module, the AD conversion module, and the communication module, and connects the parameters transmitted by the AD conversion module.
3、 根据权利要求 1所述的采集终端， 其特征在于， 所述电源存储模块包括直流电源、 辅 助电源和数据存储器。  3. The collection terminal according to claim 1, wherein the power storage module comprises a DC power source, an auxiliary power source, and a data memory.
4、 根据权利要求 1所述的采集终端， 其特征在于， 所述 AD转换模块为型号 ADS1178 的芯片； 所述 AD转换模块采集三相电压、 三相电流及中性线电流的模拟量， 并将采集的模 拟量 A/D转换后进行运算处理， 把处理的结果传递到所述 MCU模块。  The acquisition terminal according to claim 1, wherein the AD conversion module is a chip of the model ADS1178; and the AD conversion module collects an analog quantity of a three-phase voltage, a three-phase current, and a neutral current, and The acquired analog A/D is converted and subjected to arithmetic processing, and the processed result is transmitted to the MCU module.
5、 根据权利要求 1所述的采集终端， 其特征在于， 所述通信模块包括 RS485和扩展接 口； 所述扩展接口包括 PLC单元和微功率无线单元， 所述扩展接口根据通信需求可*** PLC 单元或微功率无线单元。  The collection terminal according to claim 1, wherein the communication module comprises an RS485 and an expansion interface; the expansion interface comprises a PLC unit and a micro power wireless unit, and the expansion interface can be inserted into the PLC unit according to communication requirements. Or a micropower wireless unit.
6、 根据权利要求 1所述的采集终端， 其特征在于， 所述外壳的电磁屏蔽层为高分子层； 所述外壳设有显示采集到的参数的显示装置和采集数据的辅助端子； 所述显示装置与所述 MCU模块连接， 所述辅助端子分别与所述 AD转换模块、所述传感器模块和所述通信模块连 接。  The collecting terminal according to claim 1, wherein the electromagnetic shielding layer of the outer casing is a polymer layer; the outer casing is provided with a display device for displaying the collected parameters and an auxiliary terminal for collecting data; The display device is connected to the MCU module, and the auxiliary terminal is respectively connected to the AD conversion module, the sensor module, and the communication module.
7、 根据权利要求 2所述的采集终端， 其特征在于， 所述 MCU模块记录下述事件及下述 功能： 谐波 1曲线、 谐波 2曲线、 电压 /电流曲线、 功率曲线、 谐波越限事件、 谐波功率曲线、 ABC电流 /电压偏差越限事件、 失压 /失流事件、 电压 /电流不平衡度曲线、 闪变曲线、 跨月结 算、 电能量冻结、 上电、 掉电、 清零、 断相和校时。  7. The acquisition terminal according to claim 2, wherein the MCU module records the following events and the following functions: a harmonic 1 curve, a harmonic 2 curve, a voltage/current curve, a power curve, and a harmonic Limit event, harmonic power curve, ABC current/voltage deviation violation event, voltage/current imbalance event, voltage/current imbalance curve, flicker curve, cross-month settlement, electrical energy freeze, power-on, power-down, Clear, phase and school time.
8、根据权利要求 2所述的采集终端，其特征在于，所述 MCU模块是型号为 AT91SAM9260 的芯片。  The acquisition terminal according to claim 2, wherein the MCU module is a chip of the type AT91SAM9260.
9、 根据权利要求 4所述的采集终端， 其特征在于， 所述数据存储器是型号为 AT24C64 的芯片。  9. The collection terminal according to claim 4, wherein the data storage is a chip of the type AT24C64.
10、 根据权利要求 5所述的采集终端， 其特征在于， 所述 PLC单元为型号为 74HTC244 的芯片， 所述微功率无线单元为型号为 CC1100的芯片。  The acquisition terminal according to claim 5, wherein the PLC unit is a chip of the type 74HTC244, and the micro power wireless unit is a chip of the type CC1100.
11、根据权利要求 6所述的采集终端，其特征在于，所述显示装置为 2048色液晶显示屏， 大小为 3.5英寸。 11. The collection terminal according to claim 6, wherein the display device is a 2048 color liquid crystal display having a size of 3.5 inches.
12、 根据权利要求 6所述的采集终端， 其特征在于， 所述高分子层选自聚苯胺、 聚噻吩 或聚对苯撑。 The collection terminal according to claim 6, wherein the polymer layer is selected from the group consisting of polyaniline, polythiophene, and polyparaphenylene.
13、根据权利要求 7所述的采集终端， 其特征在于， 所述谐波 1曲线是指对 2至 19次的 谐波以及相应的电压总谐波畸变率 THDU、 电流总谐波畸变率 THDI的曲线进行记录；  The acquisition terminal according to claim 7, wherein the harmonic 1 curve refers to harmonics of 2 to 19 times and corresponding voltage total harmonic distortion rate THDU, current total harmonic distortion rate THDI The curve is recorded;
所述谐波 2曲线是指对 20至 50次的谐波以及相应的电压总谐波畸变率 THDU、 电流总 谐波畸变率 THDI的曲线进行记录；  The harmonic 2 curve refers to recording a curve of 20 to 50 harmonics and a corresponding voltage total harmonic distortion rate THDU and a current total harmonic distortion rate THDI;
所述掉电是指三相电压均低于电能表临界电压， 且负荷电流不大于 5%额定电流的工况； 所述失压是指在三相供电***中， 任一相负荷电流大于启动电流， 但电压线的电压低于 电能表参比电压的 78%时， 且持续时间大于 1分钟；  The power-down refers to a condition in which the three-phase voltage is lower than the threshold voltage of the electric energy meter, and the load current is not more than 5% of the rated current; the voltage loss refers to that in the three-phase power supply system, the load current of any phase is greater than the start-up current. Current, but the voltage of the voltage line is lower than 78% of the reference voltage of the electric energy meter, and the duration is greater than 1 minute;
所述失流是指在三相供电***中， 三相电压大于电能表的临界电压， 三相电流中任一相 或两相小于启动电流， 且其他相线负荷电流大于 5%额定电流的工况；  The current loss means that in the three-phase power supply system, the three-phase voltage is greater than the threshold voltage of the electric energy meter, and any one or two phases of the three-phase current is smaller than the starting current, and the other phase line load current is greater than 5% of the rated current. Situation
所述电能量冻结是指对当前冻结的电能量进行通知。  The electric energy freezing refers to notifying the currently frozen electric energy.
14、 根据权利要求 7所述的采集终端， 其特征在于， 所述校时操作采用软时钟和网络对 时。  14. The collection terminal according to claim 7, wherein the timing operation uses a soft clock and a network timing.
15、根据权利要求 12所述的采集终端， 其特征在于， 所述高分子层由聚乙烯二氧噻吩制 成。  The collection terminal according to claim 12, wherein the polymer layer is made of polyethylene dioxythiophene.
PCT/CN2012/081499 2011-10-18 2012-09-17 Electric energy quality type energy efficiency data acquisition terminal WO2013056609A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110315305.8 2011-10-18
CN201110315305.8A CN102436732B (en) 2011-10-18 2011-10-18 Electric energy quality type energy efficiency data acquisition terminal

Publications (1)

Publication Number Publication Date
WO2013056609A1 true WO2013056609A1 (en) 2013-04-25

Family

ID=45984765

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/081499 WO2013056609A1 (en) 2011-10-18 2012-09-17 Electric energy quality type energy efficiency data acquisition terminal

Country Status (2)

Country Link
CN (1) CN102436732B (en)
WO (1) WO2013056609A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439610A (en) * 2013-08-30 2013-12-11 国家电网公司 Electric power quality detecting collecting terminal
CN104459387A (en) * 2014-11-25 2015-03-25 浙江工业大学 Movable handheld type electric energy quality parameter routing inspection system
CN104935477A (en) * 2015-06-11 2015-09-23 浙江大学 Energy harvesting and consuming performance test system of chargeable wireless sensor network

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102436732B (en) * 2011-10-18 2014-10-01 中国电力科学研究院 Electric energy quality type energy efficiency data acquisition terminal
CN103149474A (en) * 2013-02-06 2013-06-12 上虞市电力公司 Online detection device and detection method for electrical energy quality of scattering users
CN103278684B (en) * 2013-05-16 2015-09-09 东南大学 Produce the method for voltage deviation accuracy detection waveform
CN104158285A (en) * 2013-05-16 2014-11-19 北京中科泛美科技有限公司 Power consumption monitoring system for power consumption terminal
CN105006127A (en) * 2015-07-16 2015-10-28 国家电网公司 Electric quantity remote acquisition system
CN109001548A (en) * 2017-06-07 2018-12-14 广东电网有限责任公司佛山供电局 A kind of distribution transforming current imbalance judgment method based on metering centralized meter reading terminal data
CN109001547A (en) * 2017-06-07 2018-12-14 广东电网有限责任公司佛山供电局 A kind of power distribution voltage imbalance judgment method based on metering centralized meter reading terminal data
CN112152313B (en) * 2020-07-08 2022-07-05 宁波三星医疗电气股份有限公司 Method for identifying power equipment by acquisition system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3566797B2 (en) * 1995-10-27 2004-09-15 日置電機株式会社 Harmonic current analyzer
CN2932397Y (en) * 2006-06-02 2007-08-08 粟时平 Electric harmonic and interharmonic monitoring device
CN201233427Y (en) * 2008-07-04 2009-05-06 广东东方电讯科技有限公司 Multifunction electric energy meter
JP2009264753A (en) * 2008-04-22 2009-11-12 Yokogawa Electric Corp Harmonics measuring apparatus
CN102436732A (en) * 2011-10-18 2012-05-02 中国电力科学研究院 Electric energy quality type energy efficiency data acquisition terminal
CN202422401U (en) * 2011-10-18 2012-09-05 中国电力科学研究院 Electric energy quality type energy efficiency data collecting terminal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2634487Y (en) * 2003-06-03 2004-08-18 南京世纪东方电子有限责任公司 Distribution monitoring terminal
CN101236693B (en) * 2007-02-01 2011-08-10 上海久隆电力（集团）有限公司 Intelligent meter reading system
CN201438197U (en) * 2009-05-13 2010-04-14 北京市电力公司 Electric energy meter
CN201845051U (en) * 2010-05-18 2011-05-25 长沙市东瑞电子科技有限公司 Three-phase intelligent electric energy meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3566797B2 (en) * 1995-10-27 2004-09-15 日置電機株式会社 Harmonic current analyzer
CN2932397Y (en) * 2006-06-02 2007-08-08 粟时平 Electric harmonic and interharmonic monitoring device
JP2009264753A (en) * 2008-04-22 2009-11-12 Yokogawa Electric Corp Harmonics measuring apparatus
CN201233427Y (en) * 2008-07-04 2009-05-06 广东东方电讯科技有限公司 Multifunction electric energy meter
CN102436732A (en) * 2011-10-18 2012-05-02 中国电力科学研究院 Electric energy quality type energy efficiency data acquisition terminal
CN202422401U (en) * 2011-10-18 2012-09-05 中国电力科学研究院 Electric energy quality type energy efficiency data collecting terminal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439610A (en) * 2013-08-30 2013-12-11 国家电网公司 Electric power quality detecting collecting terminal
CN104459387A (en) * 2014-11-25 2015-03-25 浙江工业大学 Movable handheld type electric energy quality parameter routing inspection system
CN104935477A (en) * 2015-06-11 2015-09-23 浙江大学 Energy harvesting and consuming performance test system of chargeable wireless sensor network
CN104935477B (en) * 2015-06-11 2018-08-21 浙江大学 The energy acquisition of rechargeable wireless sensing network and consumption Performance Test System

Also Published As

Publication number Publication date
CN102436732A (en) 2012-05-02
CN102436732B (en) 2014-10-01

Similar Documents

Publication Publication Date Title
WO2013056609A1 (en) Electric energy quality type energy efficiency data acquisition terminal
WO2019154050A1 (en) Non-intrusive load identification-based submetering smart electricity meter
CN204575720U (en) Based on the transmission line of electricity current monitoring device that induction electricity getting device is powered
CN202167850U (en) Power distribution monitoring system device
WO2013056606A1 (en) Energy efficiency data concentration terminal
CN201811983U (en) Collection terminal device of special transformer
CN204462251U (en) A kind of intelligent electric meter
CN206178035U (en) Electric quantity gauge system based on sharing basic station
CN204389614U (en) A kind of portable multi-function energy efficiency monitor
CN102435889A (en) Harmonic electric quantity type energy efficiency acquisition terminal
CN2798103Y (en) Network intelligent electric energy quantity monitor
CN212009322U (en) Intelligent power utilization management system based on ubiquitous Internet of things
CN205002798U (en) Direct current electromagnetic environment monitoring system based on zigBee
CN201422075Y (en) High-frequency switch power module
CN204835955U (en) High frequency switching power supply system with direct current the power output measures function along separate routes
CN103986231A (en) Networked intelligent transformer substation metering system
CN203703309U (en) Circuit control system of remote control valve
CN203166625U (en) Wireless monitoring system of power switch cabinet
CN203349964U (en) Self-energy-obtaining wireless temperature sensing chip
CN202305694U (en) Harmonic-wave electric quantity energy efficiency collection terminal
CN203069698U (en) An integrated information acquiring device of electric energy in a transformer station
CN204101630U (en) A kind of multiloop AC ammeter
CN202563675U (en) Centralizing terminal for energy efficiency data
CN202929067U (en) Multipath guide rail type ammeter
CN202711442U (en) Data collector applied to energy consumption monitoring system

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: 12842278

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12842278

Country of ref document: EP

Kind code of ref document: A1