CN101335464A - Integrated control system for electricity distributing and metering - Google Patents
Integrated control system for electricity distributing and metering Download PDFInfo
- Publication number
- CN101335464A CN101335464A CNA2008100292733A CN200810029273A CN101335464A CN 101335464 A CN101335464 A CN 101335464A CN A2008100292733 A CNA2008100292733 A CN A2008100292733A CN 200810029273 A CN200810029273 A CN 200810029273A CN 101335464 A CN101335464 A CN 101335464A
- Authority
- CN
- China
- Prior art keywords
- module
- control system
- integrated control
- metering
- interface
- 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.)
- Pending
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to an integrated control system for power distribution measurement. The integrated control system of the invention comprises a main control module which consists of a central processing unit and a memory unit used for storing the data of various parameters, and a measurement module, a meter reading module, a control module and an LCD display module which are all connected with the main control module, wherein, the measurement module is used for taking the samples of voltage signals and current signals of a power distribution circuit and an electricity use circuit and sending the signals to the central processing unit after the signals are processed by a digital signal processor; the meter reading module is used for reading the electricity data of an electrical energy meter; the control module is used for controlling the switch-in and switch-out of the power distribution circuit and the electricity use circuit and also detecting the implementation situation. The integrated control system for power distribution measurement of the invention integrates the functions of a high-precision three-phase electrical energy meter, a meter reading concentrator, a distribution and transforming measurement monitoring terminal, a power quality monitoring terminal and a load management terminal in an electric power system into a whole, and also spares complex circuits and repetitive communication modules for the communication among each equipment and between each equipment and a main control station, thus saving cost and ensuring convenient maintenance.
Description
Technical field
The present invention relates to electric power system with distribution, metering, monitoring and control equipment, be specifically related to a kind of integrated control system for electricity distributing and metering that integrates high accuracy three-phase electric energy meter, meter-copy collector, distribution transforming measure monitor terminal, electric energy quality monitoring terminal, load management terminal function.
Background technology
Electric power system is a convenient management, usually in certain area coverage, for example a residential quarter or an office block, the continuous data of each measuring terminal in the one concentrator pickup area is set, and distribution transformer monitoring equipment will be set the transformer working condition is monitored, power quality monitoring device and load control terminal are set to operation of power networks condition monitoring, control.Though these equipment can be concentrated placement, unified management, but still need lay various communication line between each equipment to guarantee mutual back work and coordination, and each equipment all will dispose special communication interface circuit and be connected with the upload control main website, cause resource to repeat, and its maintenance, maintenance difficulties is big, cost is high.
Summary of the invention
Shortcoming at prior art, problem to be solved by this invention provides a kind of high accuracy three-phase electric energy meter, meter-copy collector, distribution transforming measure monitor terminal, electric energy quality monitoring terminal, load management terminal function in one, simple to operation, the integrated control system for electricity distributing and metering being convenient to manage.
The technical scheme that the present invention takes is: a kind of integrated control system for electricity distributing and metering is provided, comprises:
Main control module comprises central processing unit and storage parameters memory of data;
Metering module, the distribution line and with voltage, the current signal of electric line of being used to sample after digital signal processor DSP is handled, sends central processing unit to;
Control module, be used to export draw/switching signal gives the on-load switch of power equipment, makes it operate a switch or close a floodgate, and simultaneously execution result detected, judge whether correct operation, and pass testing result back main control module;
Meter-reading module with the main control module serial communication, is used to copy and accept the continuous data of each measuring terminal table;
Ethernet interface is linked into the electric power system Ethernet that is applied to this locality by this interface with described system, and main control module is by Ethernet and the communication of electric power system control main website;
Local communication interface comprises USB interface, RS232 interface, RS485 interface and infrared interface, can be used for this locality this equipment is carried out parameter setting, data read, software upgrading;
LCD demonstration/touch screen module, as man machine operation interface, LCD is used to show every continuous data, touch-screen is used for this integrated control system for electricity distributing and metering is carried out function selecting or data query operation.
Described meter-reading module comprises the ARM7 control chip and is used to connect the ARM7 chip and is connected the interface circuit of checking meter that is used to copy and accept each measuring terminal table data with the RS232/RS485 circuit of central processing unit, with ARM7.
The described interface circuit of checking meter adopts the combination of any one or a few communication modes in power line carrier, RS485 serial, infrared, the Zigbee network communication.
Described control module comprises the ARM7 control chip and connects relay output circuit and the switch input circuit of this ARM7.
Described metering module comprises voltage, current sampling circuit and connected computation chip, digital signal processor DSP, and described computation chip also is connected with DSP.
Described central processing unit adopts the little process chip of ARM9.
This system further comprises GPRS/CDMA network communication module, and main control module is by this module and controlling center communication.
This system further comprises UPS stand-by power supply and battery, and when feeder line fault can't normal power supply, ups power can be kept system's operate as normal, and malfunction is reported controlling center; When power circuit and the equal fault of ups power, give main control module, clock and GPRS/CDMA module by powered battery, make described system carry out fault alarm to controlling center.
This system further comprises the SD card unit that is used for logout and energy data storage.
Meter-copy collector in the integrated control system for electricity distributing and metering current collection power of the present invention system, distribution transforming measure monitor terminal, high accuracy three-phase table, load management terminal functions of the equipments are in one, this system integrates above-mentioned four functions of the equipments height, be arranged to drawer type, be installed on easily in the electric control cabinet, cost is low, it is little to take up room.Removed between original each function device that disperses, each equipment is with the numerous and diverse circuit of communication between the controlling center and the communication module of repetition, saves cost, and maintenance, easy to maintenance.
Description of drawings
Fig. 1 is that the principle of the invention is formed schematic block diagram.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing:
As Fig. 1, described integrated control system for electricity distributing and metering comprises main control module and the metering module, the control module that are connected with main control module, checks meter and cascade special module, LCD demonstration/touch screen module, Ethernet interface etc.
Described main control module comprises little process chip of ARM9 and storage parameters memory of data.
As figure, described metering module comprises voltage, current sampling circuit and connected computation chip, digital signal processor DSP, and described computation chip also is connected with DSP.This can finish the task of metering monitoring modular in high accuracy three-phase table, distribution transforming measure monitor terminal and the electricity load management terminal, sample respectively distribution line and with voltage, the current signal of electric line, after being sent to the processing of computation chip and digital signal processor DSP, send central processing unit to, as the basic calculation data of electric weight, three phase electric power, power factor, flickering, harmonic wave metering.Described DSP digital signal processor has 6 tunnel 16 high-speed a/d ALT-CH alternate channel at least can carry out the electric power signal sampling simultaneously.
As figure, described control module comprises the ARM7 control chip and connects switch input circuit and the relay output circuit of this ARM7.Described central processing unit ARM9 chip is by metering module monitoring distribution line with the working condition of electric line, when noting abnormalities, send the ARM7 control chip that this module is given in the line disconnection order, and then control internal relay circuit operation, output switching signal cuts off distribution line; Or the operation of drawing lock is carried out in the order of carrying out the electric power system control main website.And have testing circuit to detect the implementation status of these orders, and report main control module by ARM7, guarantee the fail safe and the reliability of system's operation.
Local communication interface comprises USB interface, RS232 interface, RS485 interface and infrared interface, can be used as local functions such as parameter setting, data read, software upgrading that this equipment is carried out and uses.
As figure, described meter-reading module comprises the ARM7 control chip and is used to connect the RS232/RS485 circuit of ARM7 chip and central processing unit, is connected the interface circuit of checking meter that is used to copy and accept each measuring terminal table data with ARM7.The described interface circuit of checking meter comprises the combination of any one or a few communication modes in power line carrier, RS485 serial, wireless, the Zigbee network communication.
Described meter-reading function is finished in the past concentrator the data of descending each measuring terminal table is copied and accepted work.
As figure, this system is linked into by Ethernet interface and is applied to local electric power system Ethernet, and main control module is by Ethernet and the communication of electric power system control main website.
Described LCD demonstration/touch screen module, as man machine operation interface, LCD is used to show every continuous data, and touch-screen is used for this integrated control system for electricity distributing and metering is carried out function selecting or data query operation, use the touch-screen replacing key-press, make operation more simple and convenient.
This system also is provided with GPRS/CDMA network communication module, and main control module can also pass through this module and controlling center communication.
This system also is provided with SD card unit, is used for logout and storage.
This system adopts three-phase alternating current work, also is furnished with UPS stand-by power supply and reserve battery.
This system also comprises clock circuit and the watchdog circuit that is connected with central processing unit.
Clock circuit is used for providing operating frequency and time parameter to central processing unit, it has adopted the RTC-4553 real-time timepiece chip, and the inner integrated quartz oscillator of 32.768kHz has been simplified peripheral circuit, and can carried out as required freely being provided with to obtain higher frequency; Be integrated with clock and calendar counter simultaneously; Can select 24 or 12 hours display modes; Clock can carry out 30 seconds adjustment at interval by software mode; And provide the commutator pulse of 0.1Hz or 1024Hz to export, so that clock accuracy is made regular check in the system outside.
Program reset when watchdog circuit is used for this systems soft ware fault.
Claims (9)
1, a kind of integrated control system for electricity distributing and metering is characterized in that: comprising:
Main control module comprises central processing unit and storage parameters memory of data;
Metering module, the distribution line and with voltage, the current signal of electric line of being used to sample after digital signal processor DSP is handled, sends central processing unit to;
Control module, be used for output to draw/switching signal gives power equipment, makes it operate a switch or close a floodgate, and simultaneously execution result detected, and judge whether correct operation, and pass testing result back main control module;
Meter-reading module with the main control module serial communication, is used to copy and accept the continuous data of each measuring terminal table;
Ethernet interface is linked into the electric power system Ethernet that is applied to this locality by this interface with described system, and main control module is by Ethernet and the communication of electric power system control main website;
Local communication interface comprises USB interface, RS232 interface, RS485 interface and infrared interface, can be used for this locality this system is carried out parameter setting, data read, software upgrading;
LCD demonstration/touch screen module, as man machine operation interface, LCD is used to show every continuous data, touch-screen is used for this integrated control system for electricity distributing and metering is carried out function selecting or data query operation.
2, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described meter-reading module comprises the ARM7 control chip and is used to connect the ARM7 chip and is connected the interface circuit of checking meter that is used to copy and accept each measuring terminal table data with the RS232/RS485 circuit of central processing unit, with ARM7.
3, integrated control system for electricity distributing and metering according to claim 2 is characterized in that: the described interface circuit of checking meter adopts the combination of any one or a few communication modes in power line carrier, RS485 serial, wireless, the Zigbee network communication.
4, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described control module comprises the ARM7 control chip and connects relay output control circuit and the switching signal input detecting circuit of this ARM7.
5, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described metering module comprises voltage, current sampling circuit and connected computation chip, digital signal processor DSP, and described computation chip also is connected with DSP.
6, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described central processing unit adopts the little process chip of ARM9.
7, integrated control system for electricity distributing and metering according to claim 6 is characterized in that: further comprise GPRS/CDMA network communication module, main control module is by this module and controlling center communication.
8, integrated control system for electricity distributing and metering according to claim 7, it is characterized in that: further comprise UPS stand-by power supply and battery, when feeder line fault can't normal power supply, ups power can be kept system's operate as normal, and malfunction is reported controlling center; When power circuit and the equal fault of ups power, give main control module, clock and GPRS/CDMA module by powered battery, make described system carry out fault alarm to controlling center.
9, integrated control system for electricity distributing and metering according to claim 8 is characterized in that: further comprise the SD card unit that is used for logout and energy data storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100292733A CN101335464A (en) | 2008-07-02 | 2008-07-02 | Integrated control system for electricity distributing and metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100292733A CN101335464A (en) | 2008-07-02 | 2008-07-02 | Integrated control system for electricity distributing and metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101335464A true CN101335464A (en) | 2008-12-31 |
Family
ID=40197842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100292733A Pending CN101335464A (en) | 2008-07-02 | 2008-07-02 | Integrated control system for electricity distributing and metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101335464A (en) |
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944772A (en) * | 2010-08-27 | 2011-01-12 | 北京华鑫志和科技有限公司 | Multi-network integrated intelligent power grid system |
| CN102130505A (en) * | 2011-03-09 | 2011-07-20 | 珠海博威微电子有限公司 | High-voltage switch controller with metering function |
| CN102324786A (en) * | 2011-08-17 | 2012-01-18 | 航天科工深圳（集团）有限公司 | Virtual load management terminal and manufacturing method thereof |
| CN102427268A (en) * | 2011-11-28 | 2012-04-25 | 苏州康开电气有限公司 | Distributed energy storage peak shaving system |
| CN102437641A (en) * | 2011-09-20 | 2012-05-02 | 淮阴工学院 | 3G-based remote power quality monitoring method |
| CN102522827A (en) * | 2011-12-31 | 2012-06-27 | 国网信息通信有限公司 | Intelligent integrated electricity-distributing method and device as well as intelligent integrated electricity-distributing terminal |
| CN102708089A (en) * | 2012-04-28 | 2012-10-03 | 四川省电力公司西昌电业局 | WINCE embedded operating system for monitoring device of power quantity |
| CN101788812B (en) * | 2009-12-30 | 2012-10-24 | 国家电网公司 | Intelligent electrical appliance control device |
| CN102759672A (en) * | 2012-06-11 | 2012-10-31 | 浙江省电力公司 | Method for detecting states of control loops of electricity utilization collection terminals |
| CN102903222A (en) * | 2011-07-27 | 2013-01-30 | 青岛高校信息产业有限公司 | Multifunctional data acquisition controller |
| CN102957211A (en) * | 2012-12-04 | 2013-03-06 | 施耐德万高（天津）电气设备有限公司 | Energy and electric power monitoring device |
| CN103018551A (en) * | 2012-12-13 | 2013-04-03 | 青岛乾程电子科技有限公司 | Single-phase intelligent electric energy meter with ZigBee communication module |
| CN103033717A (en) * | 2012-12-28 | 2013-04-10 | 安徽中兴继远信息技术股份有限公司 | Oversampling distribution transformer terminal |
| CN103185835A (en) * | 2013-03-28 | 2013-07-03 | 国家电网公司 | Electric energy metering device with electric energy quality monitoring function |
| CN103199619A (en) * | 2013-02-22 | 2013-07-10 | 西安众恒科技有限公司 | Electric comprehensive monitoring device achieving Ad hoc network intelligent communication |
| CN103595136A (en) * | 2013-11-21 | 2014-02-19 | 国网上海市电力公司 | Energy management system of micro-grid |
| CN103794040A (en) * | 2012-11-02 | 2014-05-14 | 苏州工业园区新宏博通讯科技有限公司 | Collector with metering function |
| CN103839399A (en) * | 2014-02-20 | 2014-06-04 | 国家电网公司 | 485 conversion carrier wave meter reading device and meter reading method |
| CN104316114A (en) * | 2014-11-21 | 2015-01-28 | 国家电网公司 | Intensive type touch screen intelligent power meter |
| CN104319898A (en) * | 2014-11-13 | 2015-01-28 | 国家电网公司 | Orderly power utility inquiring system of bilateral interaction |
| CN104635522A (en) * | 2013-11-14 | 2015-05-20 | 国家电网公司 | Power system safety control device and system |
| CN104698928A (en) * | 2015-02-10 | 2015-06-10 | 国家电网公司 | Data acquisition unit |
| CN104734342A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Power consumption monitoring terminal |
| CN104734340A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Power consumption monitoring terminal |
| WO2016015169A1 (en) * | 2014-07-31 | 2016-02-04 | Cam Chile S.A. | Multi-purpose 3g communication interface |
| CN105467181A (en) * | 2015-12-24 | 2016-04-06 | 刘永祥 | Device and method used for short-message payment notification of resident charge urging meter |
| CN106655479A (en) * | 2015-07-21 | 2017-05-10 | 深圳市奇辉电气有限公司 | Distribution integration comprehensive monitoring terminal |
| CN106683388A (en) * | 2016-11-25 | 2017-05-17 | 中天宽带技术有限公司 | Intelligent direct-current distribution unit |
| CN108983731A (en) * | 2018-08-21 | 2018-12-11 | 维尼健康（深圳）股份有限公司 | A kind of wet tissue intelligent manufacturing system |
| CN109302327A (en) * | 2018-12-03 | 2019-02-01 | 广东电网有限责任公司 | Metering automation terminal parameter configuration device and system |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN110191049A (en) * | 2019-06-17 | 2019-08-30 | 国网江西省电力有限公司鹰潭供电分公司 | A kind of intelligent gateway |
| CN110441596A (en) * | 2019-08-21 | 2019-11-12 | 国网江西省电力有限公司电力科学研究院 | A kind of direct current concentrator based on time synchronization metering |
| CN112379708A (en) * | 2020-10-20 | 2021-02-19 | 国网山东省电力公司烟台供电公司 | Distribution automation terminal |
-
2008
- 2008-07-02 CN CNA2008100292733A patent/CN101335464A/en active Pending
Cited By (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788812B (en) * | 2009-12-30 | 2012-10-24 | 国家电网公司 | Intelligent electrical appliance control device |
| WO2011063593A2 (en) * | 2010-08-27 | 2011-06-03 | 北京华鑫志和科技有限公司 | Multi-network integration smart power grid system |
| CN101944772B (en) * | 2010-08-27 | 2011-08-03 | 北京华鑫志和科技有限公司 | Multi-network integrated intelligent power grid system |
| WO2011063593A3 (en) * | 2010-08-27 | 2011-08-18 | 北京华鑫志和科技有限公司 | Multi-network integrated smart power grid system |
| CN101944772A (en) * | 2010-08-27 | 2011-01-12 | 北京华鑫志和科技有限公司 | Multi-network integrated intelligent power grid system |
| CN102130505A (en) * | 2011-03-09 | 2011-07-20 | 珠海博威微电子有限公司 | High-voltage switch controller with metering function |
| CN102903222A (en) * | 2011-07-27 | 2013-01-30 | 青岛高校信息产业有限公司 | Multifunctional data acquisition controller |
| CN102324786B (en) * | 2011-08-17 | 2013-11-20 | 航天科工深圳（集团）有限公司 | Virtual load management terminal and manufacturing method thereof |
| CN102324786A (en) * | 2011-08-17 | 2012-01-18 | 航天科工深圳（集团）有限公司 | Virtual load management terminal and manufacturing method thereof |
| CN102437641A (en) * | 2011-09-20 | 2012-05-02 | 淮阴工学院 | 3G-based remote power quality monitoring method |
| CN102427268A (en) * | 2011-11-28 | 2012-04-25 | 苏州康开电气有限公司 | Distributed energy storage peak shaving system |
| CN102522827A (en) * | 2011-12-31 | 2012-06-27 | 国网信息通信有限公司 | Intelligent integrated electricity-distributing method and device as well as intelligent integrated electricity-distributing terminal |
| CN102522827B (en) * | 2011-12-31 | 2014-06-18 | 国家电网公司 | Intelligent integrated electricity-distributing method and device as well as intelligent integrated electricity-distributing terminal |
| CN102708089A (en) * | 2012-04-28 | 2012-10-03 | 四川省电力公司西昌电业局 | WINCE embedded operating system for monitoring device of power quantity |
| CN102708089B (en) * | 2012-04-28 | 2014-06-18 | 四川省电力公司西昌电业局 | WINCE embedded operating system for monitoring device of power quantity |
| CN102759672A (en) * | 2012-06-11 | 2012-10-31 | 浙江省电力公司 | Method for detecting states of control loops of electricity utilization collection terminals |
| CN103794040A (en) * | 2012-11-02 | 2014-05-14 | 苏州工业园区新宏博通讯科技有限公司 | Collector with metering function |
| CN102957211B (en) * | 2012-12-04 | 2015-02-11 | 施耐德万高（天津）电气设备有限公司 | Energy and electric power monitoring device |
| CN102957211A (en) * | 2012-12-04 | 2013-03-06 | 施耐德万高（天津）电气设备有限公司 | Energy and electric power monitoring device |
| CN103018551A (en) * | 2012-12-13 | 2013-04-03 | 青岛乾程电子科技有限公司 | Single-phase intelligent electric energy meter with ZigBee communication module |
| CN103033717A (en) * | 2012-12-28 | 2013-04-10 | 安徽中兴继远信息技术股份有限公司 | Oversampling distribution transformer terminal |
| CN103199619A (en) * | 2013-02-22 | 2013-07-10 | 西安众恒科技有限公司 | Electric comprehensive monitoring device achieving Ad hoc network intelligent communication |
| CN103185835A (en) * | 2013-03-28 | 2013-07-03 | 国家电网公司 | Electric energy metering device with electric energy quality monitoring function |
| CN103185835B (en) * | 2013-03-28 | 2015-12-02 | 国家电网公司 | A kind of electric power meter with electric energy quality monitoring |
| CN104635522A (en) * | 2013-11-14 | 2015-05-20 | 国家电网公司 | Power system safety control device and system |
| CN103595136A (en) * | 2013-11-21 | 2014-02-19 | 国网上海市电力公司 | Energy management system of micro-grid |
| CN104734342A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Power consumption monitoring terminal |
| CN104734340A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Power consumption monitoring terminal |
| CN103839399A (en) * | 2014-02-20 | 2014-06-04 | 国家电网公司 | 485 conversion carrier wave meter reading device and meter reading method |
| WO2016015169A1 (en) * | 2014-07-31 | 2016-02-04 | Cam Chile S.A. | Multi-purpose 3g communication interface |
| CN104319898A (en) * | 2014-11-13 | 2015-01-28 | 国家电网公司 | Orderly power utility inquiring system of bilateral interaction |
| CN104316114A (en) * | 2014-11-21 | 2015-01-28 | 国家电网公司 | Intensive type touch screen intelligent power meter |
| CN104698928A (en) * | 2015-02-10 | 2015-06-10 | 国家电网公司 | Data acquisition unit |
| CN106655479A (en) * | 2015-07-21 | 2017-05-10 | 深圳市奇辉电气有限公司 | Distribution integration comprehensive monitoring terminal |
| CN105467181A (en) * | 2015-12-24 | 2016-04-06 | 刘永祥 | Device and method used for short-message payment notification of resident charge urging meter |
| CN106683388A (en) * | 2016-11-25 | 2017-05-17 | 中天宽带技术有限公司 | Intelligent direct-current distribution unit |
| CN108983731A (en) * | 2018-08-21 | 2018-12-11 | 维尼健康（深圳）股份有限公司 | A kind of wet tissue intelligent manufacturing system |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN109302327A (en) * | 2018-12-03 | 2019-02-01 | 广东电网有限责任公司 | Metering automation terminal parameter configuration device and system |
| CN109302327B (en) * | 2018-12-03 | 2021-08-20 | 广东电网有限责任公司 | Metering automation terminal parameter configuration device and system |
| CN110191049A (en) * | 2019-06-17 | 2019-08-30 | 国网江西省电力有限公司鹰潭供电分公司 | A kind of intelligent gateway |
| CN110441596A (en) * | 2019-08-21 | 2019-11-12 | 国网江西省电力有限公司电力科学研究院 | A kind of direct current concentrator based on time synchronization metering |
| CN112379708A (en) * | 2020-10-20 | 2021-02-19 | 国网山东省电力公司烟台供电公司 | Distribution automation terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101335464A (en) | Integrated control system for electricity distributing and metering | |
| CN102761173B (en) | Intelligent electric meter with functions of leakage remote monitoring and protection | |
| CN201742158U (en) | Online monitoring device for power transformer | |
| CN201434880Y (en) | Carrier wave remote controlled meter-reading billing system | |
| CN210294397U (en) | Intelligent electric energy meter | |
| CN104242447A (en) | Integrated measuring and controlling device and system of intelligent transformer substation | |
| CN205121624U (en) | Distribution network economical operation and optimization analysis system | |
| CN107947371A (en) | A kind of wireline inspection fault fast positioning detecting system based on satellite communication | |
| CN203445694U (en) | Intelligent feeder terminal unit | |
| CN201051018Y (en) | Switch case contact temperature monitoring and alarming system | |
| CN104993576A (en) | Double power supply automatic change-over switch controller and method | |
| CN202166679U (en) | Intelligent dynamic-collecting terminal for three-phase electric energy data | |
| CN201270432Y (en) | Synthetic electricity distribution box apparatus | |
| CN203416050U (en) | Transformer room low-voltage power supply remote real-time monitoring apparatus | |
| CN203658477U (en) | DC power distribution device intelligent monitoring and energy consumption monitoring system | |
| CN203368143U (en) | Low-voltage distribution integrated monitoring device | |
| CN203025851U (en) | Multi-rate network electric power meter capable of displaying carbon emission amount | |
| CN202256647U (en) | Multifunctional multi-epitope voltage monitor calibrator | |
| CN105529723A (en) | Intelligent reactive compensation device | |
| CN102624091B (en) | Alternating current distribution multi-loop monitoring system | |
| CN204424912U (en) | Intelligence connection reactive power compensator | |
| CN103018697A (en) | Full-functional multiple-meter-position checking device for voltage monitors | |
| CN205092662U (en) | Electric power is with intelligent alternating current -direct current integration power supply monitoring system | |
| CN202565025U (en) | Alternating-current distribution multi-loop monitoring system | |
| CN201528212U (en) | Diesel set power divider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081231 |