CN102394000B - Energy efficiency data concentration terminal - Google Patents
Energy efficiency data concentration terminal Download PDFInfo
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- CN102394000B CN102394000B CN201110315495.3A CN201110315495A CN102394000B CN 102394000 B CN102394000 B CN 102394000B CN 201110315495 A CN201110315495 A CN 201110315495A CN 102394000 B CN102394000 B CN 102394000B
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- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000004907 flux Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 6
- 229920002521 macromolecule Polymers 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 4
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims description 3
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 3
- 229920000767 polyaniline Polymers 0.000 claims description 3
- -1 polyparaphenylene Polymers 0.000 claims description 3
- 229920000123 polythiophene Polymers 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/88—Providing power supply at the sub-station
Abstract
The invention provides an energy efficiency data concentration terminal which is connected with a master station through general packet radio service (GPRS) or an Ethernet; the concentration terminal comprises a shell, a micro control unit (MCU) module, a power supply storage module, a local debugging and maintaining module and a communication module; the power supply storage module and the local debugging and maintaining module are connected with the MCU module respectively; the communication module is connected with the MCU module; all the modules are arranged in the shell; and an electromagnetic shielding layer is coated inside the shell. The energy efficiency data concentration terminal provided by the invention can acquire various energy efficiency parameters through cluster arrangement.
Description
Technical field
The present invention relates to a kind of electrotechnical instrument and meter industry efficiency harvester, specifically relate to a kind of energy efficiency data concentration terminal.
Background technology
In prior art, the scarcity of basic technology and basic data has been brought very large obstacle to the overall development of Energy Saving Industry.Efficiency basic data is to evaluate the key of all power-saving technology effects accurately.Current various Energy-saving Data, energy effective information confusion be brought a lot of hidden danger to Energy Saving Industry.Therefore, urgently set up unified efficiency data center, obtain comprehensive energy conservation service industry data, for energy-conservation industry development provides data supporting and technical guarantee, Energy-saving Projects is monitored with energy conservation service mechanism and assessed, for national and mechanism of governments at all levels energy saving policy provide support.
Efficiency basic data mainly depends on field real-time acquisition accurately, needs to adopt special concentrated terminal gather and transmit.Actual field exists many electrical quantitys such as phase/line voltage/current, power factor, fundamental power, harmonic power, and the Real-time Collection effect of these parameters directly affects the reliability of Energy Efficiency Analysis result.Therefore, urgently develop a kind of real-time quality of power supply that meets industry spot and energy efficiency monitoring requirement and concentrate terminal.
The patent No. is the special change acquisition terminal that the utility model of ZL201020214236.2 has disclosed a kind of installation module communication module, in order to gather the device of special change user energy information.Described special change concentrates curing remote communication module and signal extension interface module in terminal to be all designed to the module of plug-in, and formulates unified pin.
The patent No. is that the utility model of ZL200920069055.2 has disclosed a kind of wireless data acquisition terminal, and this terminal comprises radio frequency identification module, main control module and communication module, to realize wireless collection and the wireless transmission of data.
The patent No. is that the utility model of ZL200920279096.4 has disclosed a kind of acquisition terminal for electric quantity management system, so that dispose and expansion.
The patent No. is that the utility model of ZL200920236498.6 has disclosed a kind of acquisition terminal for centralized meter reading system of low-voltage power consumers, can in main website, operate, and realizes remote system and upgrades.
Above utility model is concentrated the research and development of terminal for the quality of power supply technical foundation is provided, and adapts to but do not reach concentrating type deployment, numerous types of data collection, multiple interfaces transmission etc. the requirement that industry spot efficiency harmonic electric quantity gathers completely.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of energy efficiency data concentration terminal, dispose by concentrating type, can gather multiple harmonic electric quantity parameter.
For achieving the above object, the invention provides a kind of energy efficiency data concentration terminal, described energy efficiency data concentration terminal is connected by GPRS or Ethernet with main website; Described concentrated terminal comprises: shell, MCU module, the power storage module and the local debugging maintenance module that are connected respectively with described MCU module, and its improvements are, the communication module being connected with described MCU module; Above-mentioned whole module is all arranged in described shell, and described enclosure is coated with electro-magnetic screen layer.
In optimal technical scheme provided by the invention, power storage module, described communication module and described local debugging maintenance module described in described MCU module controls.
In the second optimal technical scheme provided by the invention, described power storage module comprises direct supply and data-carrier store.
In the 3rd optimal technical scheme provided by the invention, described local debugging maintenance module comprises RS232 interface and infrared interface.
In the 4th optimal technical scheme provided by the invention, described communication module comprises RS485 interface and expansion interface; Described expansion interface can select to insert PLC unit or micropower radio-cell according to communication requirement.
In the 5th optimal technical scheme provided by the invention, the electro-magnetic screen layer of described shell is macromolecule layer; Described shell is provided with and shows the display device of parameter and the auxiliary terminal of image data that collect; Described display device is connected with described MCU module, and described auxiliary terminal is connected with described communication module.
In the 6th optimal technical scheme provided by the invention, described GPRS uses the chip that model is Infineon Tech 7880.
In the 7th optimal technical scheme provided by the invention, the following event of described MCU module records and following function: voltage/current curve, powertrace, the out-of-limit event of ABC current/voltage deviation, decompression/defluidization event, voltage/current degree of unbalancedness curve, flickering curve, freeze electric flux day, power on, when power down, zero clearing, mutually disconnected and school.
In the 8th optimal technical scheme provided by the invention, described MCU module is that model is the chip of AT91SAM9260.
In the 9th optimal technical scheme provided by the invention, described data-carrier store is that model is the chip of AT24C64, and storage size is 64M.
In the tenth optimal technical scheme provided by the invention, described infrared interface adopts the chip that model is HS0038B3V.
In more preferably technical scheme provided by the invention, described RS485 interface one has 3, and described PLC unit is that model is the chip of 74HTC244, and described micropower radio-cell is that model is the chip of CC1100.
Provided by the invention second more preferably in technical scheme, and described display device is 2048 dichroic liquid crystal display screens, and size is 3.5 inches.
The provided by the invention the 3rd more preferably in technical scheme, and described macromolecule layer is selected from polyaniline, polythiophene or polyparaphenylene.
The provided by the invention the 4th more preferably in technical scheme, and described power down refers to that three-phase voltage is all lower than electric energy meter critical voltage, and load current is not more than the operating mode of 5% rated current;
Described decompression refers in three-phase power supply system, and arbitrary phase load electric current is greater than starting current, but the voltage of pressure-wire lower than electric energy meter reference voltage 78% time, and the duration be greater than 1 minute;
Described defluidization refers in three-phase power supply system, and three-phase voltage is greater than the critical voltage of electric energy meter, and in three-phase current, arbitrary phase or two-phase are less than starting current, and other phase line load currents are greater than the operating mode of 5% rated current;
Described electric flux day freeze to refer to taking sky as unit notifies the electric flux freezing every day.
The provided by the invention the 5th more preferably in technical scheme,, adopt when in described the school hardware clock to time, described hardware clock is connected with described MCU module.
The provided by the invention the 6th more preferably in technical scheme, and described macromolecule layer is made up of polyethylene dioxythiophene.
The provided by the invention the 7th more preferably in technical scheme, and described hardware clock adopts the chip that model is DS1302.
Compared with the prior art, technical scheme provided by the invention can be according to the actual needs of efficiency test and appraisal, solve existing thermodynamic type, thermal technology's electric quantity type, basic electric quantity type, harmonic electric quantity type, the difficult problem of the multiple energy efficiency data concentration terminal of quality of power supply electric quantity type in data acquisition and transmission, realize the target that concentrating type deployment, numerous types of data collection, multiple interfaces transmission etc. adapt to industry spot efficiency data centralization and transmission completely, for efficiency data center provides efficiency basic data accurately, for national and mechanism of governments at all levels energy saving policy provide support; In addition, energy efficiency data concentration terminal has also taken into full account different operating environmental demand, can select the signal transmission such as the wireless or PLC of micropower as communication mode, and leaves expansion interface for following main website realizes Based Intelligent Control; Moreover, described concentrated terminal strong interference immunity, the electro-magnetic screen layer adopting possesses and improves careful electromagnetic Compatibility Design, can make to concentrate terminal in the time of the rugged surroundings operations such as high low temperature, high pressure and high humidity, to exempt electromagnetic interference (EMI).
Brief description of the drawings
Fig. 1 is the inner structure schematic diagram of energy efficiency data concentration terminal.
Fig. 2 is the anterior schematic diagram of concentrating terminal enclosure.
Fig. 3 is rear portion and the side schematic view of concentrating terminal enclosure.
Fig. 4 is auxiliary terminal schematic diagram.
Fig. 5 is the long-range local schematic diagram of RS485 interface.
Fig. 6 is the long-range local schematic diagram of PLC unit and micropower radio-cell.
Embodiment
As shown in Figures 1 to 4, described energy efficiency data concentration terminal comprises main frame and the energy efficiency data concentration terminal being connected by GPRS or Ethernet with described main website; Described efficiency concentrates terminal by 3 road RS485 interfaces, Ji Yi road plug type micropower radio-cell/PLC adaptive interface, the real time data of copy reading power information, day freezing data, curve data, and freeze energy data and freeze energy data, curve data 12 zero points at the end of month (monthly 1 zero point) zero point 31 day (zero point next day) of the each terminal of classification storage; The curve data memory cycle is fixed as 15 minutes; And by the communication of GPRS or Ethernet realization and main website, in addition, also taked DC power supply pattern and hardware clock design, operating ambient temperature, humidity, atmospheric pressure all meet power information and concentrate terminal standard, possess and improve careful capability of electromagnetic shielding.Owing to not doing charging metering, therefore do not require high-precision measuring, acquisition precision is according to equipment B class precision.Efficiency is concentrated Terminal Design one road RS232 interface, and the copy reading interface to the concentrated terminal data of efficiency as local debugging interface and client designs a road infrared interface simultaneously, facilitates local maintenance to use.Infrared interface adopts the chip that model is HS0038B3V.
Described energy efficiency data concentration terminal adopts GPRS or Ethernet mode and master station communication, and communication protocol adopts Q/GDW 376.1-2009 main website and concentrated terminal communication protocol specification; Described GPRS uses the chip that model is Infineon Tech 7880.
Described energy efficiency data concentration terminal comprises shell, and described shell is provided with and shows the display device of parameter and the auxiliary terminal of image data that collect; Described display device is connected with described MCU module, and described auxiliary terminal is connected with described RS485 interface, PLC unit or micropower radio-cell respectively.
Wherein, described power supply adopts DC power supply pattern, is to be whole enterprise efficiency data due to what concentrate terminal transmission, once there is power down, total data cannot be transmitted, therefore take direct supply to strengthen reliability.
Wherein, adopt hardware clock pattern, described hardware clock adopts the chip that model is DS1302 when in described the school; Because concentrated terminal transmission data volume is larger and distant, the synchronous clock that transmission requirement is strict, therefore take hardware clock mode.
Described micro-control unit (MCU), adopts the AT91SAM9260 with ARM9 kernel as MCU, and the highest frequency of AT91SAM9260 can reach 180MHZ.
The core that described micro-control unit (MCU) module is whole terminal, described MCU module is that model is the chip of AT91SAM9260; Described MCU module realizes the record of following event and following function by data operation processing: voltage/current curve, powertrace, the out-of-limit event of ABC current/voltage deviation, decompression/defluidization event, voltage/current degree of unbalancedness curve, flickering curve, freeze electric flux day, power on, when power down, zero clearing, mutually disconnected and school.
Wherein, described power loss event refers to that three-phase voltage is all lower than electric energy meter critical voltage, and load current is not more than the operating mode of 5% rated current.
Described decompression refers in three-phase power supply system, and certain phase load electric current is greater than starting current, but the voltage of voltage circuit lower than electric energy meter reference voltage 78% time, and the duration be greater than 1 minute.
Described defluidization refers in three-phase power supply system, and three-phase voltage is greater than the critical voltage of electric energy meter, and in three-phase current, arbitrary phase or two-phase are less than starting current, and other phase line load currents are greater than the operating mode of 5% rated current.
Described electric flux day freeze to refer to the current electric flux freezing is notified.
To voltage/current curve, powertrace, the out-of-limit event of ABC current/voltage deviation, voltage/current degree of unbalancedness curve, flickering curve, power on, zero clearing, disconnected record mutually and when school all meet following national standard: GB12326-2000 standard, GB12325-2003 standard, GB/T14549-1993 standard and GB/T 15945-1995 standard.
Wherein, described curve record, copies and accepts the time interval to default to 15min, and other numerical value can be set flexibly.
As shown in Figure 5,6, described communication module is utilized one of them in RS485 interface, micropower radio-cell or PLC unit, wherein RS485 interface is as the standard configuration interface of instrument, micro power radio module and PLC module are designed to the form of pluggable expansion interface, in instrument, use same interface standard, to use respective communication module according to environment difference and cost.Described RS485 interface also can be used as the maintenance interface that parameter arranges.
Wherein, described PLC unit is that model is the chip of 74HTC244; Described micropower radio-cell is that model is the chip of CC1100.
The specification of described CC1100 chip is: working frequency range: 402～470mhz; Micro-emissive power: maximum transmission power 10mw; Quiescent current < 10ua; Described CC1100 chip is supported high precision temperature compensation crystal, can carry out the multichannels such as 8/16/32 channel selects and has multiple user interfaces such as rs232/rs485/uart interface, and support the traffic rates such as 1200/2400/4800/9600/19200/38400bps, support the communication formats such as 8n1,8e1, also can complete automatically, fast receipts/the pattern of sending out switches, is user-friendly to.
Described energy efficiency data concentration terminal taked hardware clock to time mode, make operating ambient temperature, humidity, atmospheric pressure all meet power information concentrate terminal standard.
What wherein, described data-carrier store used is the chip that model is AT24C64; With basic electric quantity type monitoring terminal parameter as a reference, be designed to access 100 station terminals, be 30 days storage time, and capacity is 30 × 96 × 185 × 100=51MByte, and therefore data-carrier store designed size is 64M.
Within 20 seconds consuming time, calculate with 20 data item of copy reading, the data that the each port per minute of RS485 port and micropower radio-cell port can 3 monitoring terminals of copy reading, calculate as 15 minutes taking collection period, each interface can gather the data of 45 monitoring terminals in 15 minutes.
Therefore, in order to meet the data of concentrating terminal to gather more than 100 monitoring terminal under 15 minute data density, design is evenly connected on monitoring terminal on 3 RS485 interfaces or micropower radio-cell interface, in the time only using the communication of micropower radio-cell, the data that can only copy at most 45 monitoring terminals in 15 minutes.
The shell of described energy efficiency data concentration terminal is coated with electro-magnetic screen layer, and described electro-magnetic screen layer is formed by electroconductive polymer layer, and described electroconductive polymer layer can be to have solubility or dispersed material, as: polyaniline, polythiophene and polyparaphenylene; Described electroconductive polymer layer is preferably made up of polyethylene dioxythiophene.
The described quality of power supply concentrates the size of terminal to be: long 260mm to 270mm, wide 165mm to 175mm, high 70mm to 80mm; Most preferred being of a size of: long 265mm, wide 170mm, high 75mm.
Need statement, content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as limiting the scope of the present invention.Those skilled in the art inspired by the spirit and principles of the present invention, can do various amendments, be equal to and replace or improve.But in the protection domain that these changes or amendment are all awaited the reply in application.
Claims (8)
1. an energy efficiency data concentration terminal, described energy efficiency data concentration terminal is connected by GPRS or Ethernet with main website; Described concentrated terminal comprises: shell, MCU module, the power storage module and the local debugging maintenance module that are connected respectively with described MCU module, is characterized in that the communication module being connected with described MCU module; Above-mentioned whole module is all arranged in described shell, and described enclosure is coated with electro-magnetic screen layer;
Power storage module, described communication module and described local debugging maintenance module described in described MCU module controls;
Described communication module comprises RS485 interface and expansion interface; Described expansion interface can select to insert PLC unit or micropower radio-cell according to communication requirement;
The electro-magnetic screen layer of described shell is macromolecule layer; Described shell is provided with and shows the display device of parameter and the auxiliary terminal of image data that collect; Described display device is connected with described MCU module, and described auxiliary terminal is connected with described communication module;
The following event of described MCU module records and following function: voltage/current curve, powertrace, the out-of-limit event of ABC current/voltage deviation, decompression/defluidization event, voltage/current degree of unbalancedness curve, flickering curve, freeze electric flux day, power on, when power down, zero clearing, mutually disconnected and school;
Described RS485 interface one has 3, and described PLC unit is that model is the chip of 74HTC244, and described micropower radio-cell is that model is the chip of CC1100;
Described display device is 2048 dichroic liquid crystal display screens, and size is 3.5 inches;
Described macromolecule layer is selected from polyaniline, polythiophene, polyparaphenylene or polyethylene dioxythiophene;
Described power down refers to that three-phase voltage is all lower than electric energy meter critical voltage, and load current is not more than the operating mode of 5% rated current;
Described decompression refers in three-phase power supply system, and arbitrary phase load electric current is greater than starting current, but the voltage of pressure-wire lower than electric energy meter reference voltage 78% time, and the duration be greater than 1 minute;
Described defluidization refers in three-phase power supply system, and three-phase voltage is greater than the critical voltage of electric energy meter, and in three-phase current, arbitrary phase or two-phase are less than starting current, and other phase line load currents are greater than the operating mode of 5% rated current;
Described electric flux day freeze to refer to taking sky as unit notifies the electric flux freezing every day;
, adopt hardware clock when in described the school; Described hardware clock is connected with described MCU module.
2. concentrated terminal according to claim 1, is characterized in that, described power storage module comprises direct supply and data-carrier store.
3. concentrated terminal according to claim 1, is characterized in that, described local debugging maintenance module comprises RS232 interface and infrared interface.
4. concentrated terminal according to claim 1, is characterized in that, described GPRS uses the chip that model is Infineon Tech7880.
5. concentrated terminal according to claim 1, is characterized in that, described MCU module is that model is the chip of AT91SAM9260.
6. concentrated terminal according to claim 2, is characterized in that, described data-carrier store is that model is the chip of AT24C64, and storage size is 64M.
7. concentrated terminal according to claim 3, is characterized in that, described infrared interface adopts the chip that model is HS0038B3V.
8. concentrated terminal according to claim 1, is characterized in that, described hardware clock adopts the chip that model is DS1302.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315495.3A CN102394000B (en) | 2011-10-18 | 2011-10-18 | Energy efficiency data concentration terminal |
| PCT/CN2012/081339 WO2013056606A1 (en) | 2011-10-18 | 2012-09-13 | Energy efficiency data concentration terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315495.3A CN102394000B (en) | 2011-10-18 | 2011-10-18 | Energy efficiency data concentration terminal |
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| Publication Number | Publication Date |
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| CN102394000A CN102394000A (en) | 2012-03-28 |
| CN102394000B true CN102394000B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110315495.3A Active CN102394000B (en) | 2011-10-18 | 2011-10-18 | Energy efficiency data concentration terminal |
Country Status (2)
| Country | Link |
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| CN (1) | CN102394000B (en) |
| WO (1) | WO2013056606A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394000B (en) * | 2011-10-18 | 2014-09-10 | 中国电力科学研究院 | Energy efficiency data concentration terminal |
| CN102970338A (en) * | 2012-10-30 | 2013-03-13 | 中国电力科学研究院 | System and method for testing site energy efficiency of charging and discharging devices of electromobiles |
| 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 |
| CN108320483A (en) * | 2018-02-09 | 2018-07-24 | 上海均易信息科技有限公司 | concentrator remote communication module and concentrator |
| CN110233965B (en) * | 2019-05-31 | 2021-05-28 | 杭州涂鸦信息技术有限公司 | Equipment control method and device and intelligent equipment |
| CN111273540B (en) * | 2020-04-15 | 2022-06-28 | 河南广播电视大学 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
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| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007011675A (en) * | 2005-06-30 | 2007-01-18 | Daihen Corp | Central monitoring system |
| CN2870030Y (en) * | 2006-02-07 | 2007-02-14 | 南京超表科技有限公司 | Multifunction concentrater |
| CN101236693B (en) * | 2007-02-01 | 2011-08-10 | 上海久隆电力（集团）有限公司 | Intelligent meter reading system |
| CN101765357A (en) * | 2008-11-07 | 2010-06-30 | 南通芯迎设计服务有限公司 | Electromagnetic shielding shell |
| CN201918003U (en) * | 2010-11-19 | 2011-08-03 | 青岛世泽电子仪表有限公司 | Wireless low-voltage meter-reading monitoring concentrator |
| CN102064604A (en) * | 2010-11-19 | 2011-05-18 | 江苏省电力公司 | Multifunctional electric energy information concentrator and working method thereof |
| CN102394000B (en) * | 2011-10-18 | 2014-09-10 | 中国电力科学研究院 | Energy efficiency data concentration terminal |
| CN202563675U (en) * | 2011-10-18 | 2012-11-28 | 中国电力科学研究院 | Centralizing terminal for energy efficiency data |
-
2011
- 2011-10-18 CN CN201110315495.3A patent/CN102394000B/en active Active
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2012
- 2012-09-13 WO PCT/CN2012/081339 patent/WO2013056606A1/en active Application Filing
Patent Citations (3)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013056606A1 (en) | 2013-04-25 |
| CN102394000A (en) | 2012-03-28 |
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