CN103001321A - Data concentrator with class-D voltage quality monitoring function - Google Patents
Data concentrator with class-D voltage quality monitoring function Download PDFInfo
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- CN103001321A CN103001321A CN2011102693171A CN201110269317A CN103001321A CN 103001321 A CN103001321 A CN 103001321A CN 2011102693171 A CN2011102693171 A CN 2011102693171A CN 201110269317 A CN201110269317 A CN 201110269317A CN 103001321 A CN103001321 A CN 103001321A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a data concentrator with a class-D voltage quality monitoring function. The data concentrator comprises a power module and a processing module, the power module is in electric signal connection with the processing module, an input end of the processing module is connected with a signal output end of a GPRS (general packet radio service)/CDMA (code division multiple access) module or a 0/100Base T Ethernet module, signal output or input ends of a display module, a key module, an alternating-current sampling module, an infrared module and a remote signaling module are respectively connected with a signal input or output end of the processing module, and signal output or input ends of an RS485 interface module and a maintenance RS485 interface module are connected with the signal input or output end of the processing module. The data concentrator has functions of an existing data concentrator and a 220V-line voltage monitor monitoring function and achieves class-D voltage monitoring point distribution, so that a great quantity of investment for power supply enterprises to purchase voltage monitors is saved while maintenance and use are facilitated for users.
Description
Technical field
The present invention relates to a kind of data concentrator of the D of having class voltage quality monitoring function.
Background technology
From in May, 2009, the annual fund that drops into more than hundred billion yuan of State Grid Corporation of China is carried out the construction of " strong intelligent grid ".Power consumer power information acquisition system (is called for short: the power information acquisition system) as the important component part of the senior measurement system of intelligent grid AMI, for intelligent grid is realized informationization, automation, interactive technically, realize in the management that grouping of the world economy, intensive, lean, standardization play vital effect.From 2010, the bid fund in electrical network company of net man every year reached billions of units to tens billion of units.And concentrator is the key equipment that data upload is assigned in the power information acquisition system, and each district must be equipped with one at least in system.In the intensive area of resident, many concentrators are installed in each district sometimes, and the quantity demand of concentrator is very huge.
Voltage is the important indicator of the quality of power supply, and whether qualified operation of power networks, grid loss and the power equipment safety of directly affecting of voltage also has important impact to the Safety and Service Life that guarantees client's safety in production, product quality and electric equipment simultaneously.Along with socioeconomic fast development, the improving constantly of living standards of the people, the client is more and more higher to the requirement of quality of voltage.Therefore, further improve rate of qualified voltage, really accomplish voltage controlled, the control, provide high-quality electric energy to the client continuously, just become an important content in the management in power supply enterprise work.The concrete condition setting voltage monitoring point that power supply enterprise distributes according to electrical network, the configuration voltages monitor, some important indicators of monitoring supply power voltage quality, and can generate relevant data file in order to these important indicators are further analyzed.
In China, rate of qualified voltage is divided into four classes: category-A voltage monitoring point, 110 kilovolts of busbar voltage qualification rates of electric substation; The category-B voltage monitoring point, 35 kilovolts and above individual line subscriber rate of qualified voltage; C class voltage monitoring point, 35 kilovolts of non-individual line subscribers and 10 kilovolts of user's rate of qualified voltage; D class voltage monitoring point, 380/220 volt of low-voltage customer rate of qualified voltage.Wherein A, B, C class voltage is because that distribution automation system is built is constantly perfect, and progressively realizes ring network power supply for 35KV and 110KV and 10KV, and data acquisition and statistical analysis are comparatively comprehensive, and rate of qualified voltage is higher.For D class voltage because load variations, wire diameter is less than normal or radius of electricity supply is excessive, circuit is circuitous etc., cause occurring low pressure 220V feeder voltage head end residential customers terminal voltage higher (during low ebb), and the situation of while far-end residential customers terminal voltage (during the peak) on the low side.Chose typical low-voltage circuit head end and actual conditions terminal, that method that adopt every Bai Tai district to establish a voltage monitoring point can not adapt to voltage monitoring in the past.
In order comprehensively, accurately, reasonably to gather the data of voltage monitoring, the data of D class rate of qualified voltage monitoring particularly, the intelligent monitoring terminal that needs to arrange more voltage monitoring instrument or have function of voltage monitoring.So just appear at the situation that client needs installation data concentrator and voltage monitoring instrument simultaneously, so not only increased a large amount of equipment addition costs, and brought difficulty for installation, maintenance, data acquisition.
Summary of the invention
The invention provides a kind of data concentrator of the D of having class voltage quality monitoring function, this data concentrator merges the data concentrator of power information acquisition system and the function of voltage monitoring instrument, the function that had both had data concentrator, the voltage monitoring instrument function that possesses again monitoring 220V circuit, realize the perfect adaptation of D class voltage monitoring and user power utilization information gathering, solved the problem of layouting of D class voltage monitoring, saved power supply enterprise and purchase the great amount of investment of voltage monitoring instrument and make things convenient for the user to safeguard use.
Have the data concentrator of D class voltage quality monitoring function, it comprises power module and processing module, and described power module is connected with the processing module signal of telecommunication; Described processing module input is connected with the signal output part of GPRS/CDMA module or 10/100Base T ethernet module; Display module, key-press module, AC sampling module, infrared module and remote signal module are connected signal output or input and are inputed or outputed end with the signal of processing module respectively and be connected; RS485 interface module and the signal output of being connected the RS485 interface module or input input or output end with the signal of processing module and are connected.
Wherein, described processing module also comprises data processing unit, storage chip and real-time clock unit, and data processing unit carries out computing and processing by high speed ARM kernel CPU to the data of input, output, and realizes the functions such as storage, demonstration, communication; Memory cell is used for data are stored, and after the terminal power down, the assurance data are not lost; The real-time clock unit is used for providing real-time clock signal.
Beneficial effect of the present invention: the present invention carries out modularized design according to the related request of power consumer power information acquisition system, client's quality of voltage administrative standard with the concentrator function.Guarantee authenticity and the completeness of voltage monitoring data, provide good technological means for power supply enterprise obtains in real time complete power quality data, raising power supply reliability and rate of qualified voltage.The present invention has following innovation point:
(1) multifunction, intellectuality, miniaturization concentrator are developed, and meet the developing direction of electrical power distribution automatization system.
(2) satisfy simultaneously the requirement of power information collection and voltage quality monitoring on the function, the investment of having saved power supply department.
(3) design multimode data communication interface circuit, design a kind of can the adaptation: the interface circuit of broadband/plurality of communication schemes such as GPRS/CDMA/RS485 fieldbus, satisfy the requirement of power information acquisition system data communication.
(4) high-performance of hardware designs, high reliability adopt modularized design, and each intermodule carries out effective electrical isolation, as the processing module of core, adopts the ARM technical grade chip powerful, that antijamming capability is strong.
Description of drawings
Fig. 1 is the data concentrator structure diagram with D class voltage quality monitoring function.
Embodiment
Embodiment one: in conjunction with Fig. 1 this embodiment is described, has the data concentrator of D class voltage quality monitoring function, it comprises power module and processing module, and described power module is connected with the processing module signal of telecommunication; Described processing module input is connected with the signal output part of GPRS/CDMA module or 10/100Base T ethernet module; Display module, key-press module, AC sampling module, infrared module and remote signal module are connected signal output or input and are inputed or outputed end with the signal of processing module respectively and be connected; RS485 interface module and the signal output of being connected the RS485 interface module or input input or output end with the signal of processing module and are connected.
Wherein, described processing module comprises data processing unit, storage chip and real-time clock unit; Data processing unit carries out computing and processing by high speed ARM kernel CPU to the data of input, output, and realizes the functions such as storage, demonstration, communication; Memory cell is used for data are stored, and after the terminal power down, the assurance data are not lost; The real-time clock unit is used for providing real-time clock signal.
The data concentrator with D class voltage quality monitoring function in the present embodiment has been realized following functions:
1, data acquisition
Concentrator gather real-time electric energy indicating value, day zero point of each electric energy meter freeze the electric energy indicating value, freeze the electric energy indicating value day zero point of checking meter.When energy data is preserved with markers.
Concentrator can gather with following manner the data of electric energy meter:
(1) Real-time Collection: concentrator directly gathers the corresponding data item of specifying electric energy meter;
(2) timing automatic collection: concentrator can gather the electric energy meter data automatically by the collection period of main website setting;
(3) automatic makeup is copied: concentrator at the appointed time not copy reading have automatic makeup to the electric energy meter of data and copy function.When benefit is copied unsuccessfully, generate logout, and report to main website.
2, voltage quality monitoring
(1) concentrator adopts the effective value sampling to monitored voltage, sampling period per second 1 time, and store as pretreatment values.1min gets the mean value of voltage pretreatment values in the 1min as a statistic unit, as the instant actual motion voltage of the monitored system of representative;
(2) concentrator has monthly and statistical function per diem, comprises rate of qualified voltage and qualified cumulative time, the super upper limit rate of voltage and corresponding cumulative time, the super lower limit of voltage and corresponding cumulative time; Maximum voltage value and ceiling voltage go out now, minimum voltage value and minimum voltage and go out now, average voltage.Can store front January and this month, the record data on proxima luce (prox. luc) and the same day.Concentrator provides the integral point statistics of last month and this month.
(3) show in real time
Concentrator can button be transferred the various parameters of aobvious real-time voltage value, same day statistics, voltage overload alarm signal, setting.
(4) precision
Voltage measurement error absolute value≤0.5%[measuring range rated voltage Un (1 ± 20%)];
The voltage upper limit value and lower limit value of adjusting elementary error absolute value≤0.5%;
Composite measurement Error Absolute Value≤0.5%.
3, data storage
(1) concentrator can be on request to the image data storage of classifying, such as day freezing data, day freezing data of checking meter, curve data, historical month data etc.Curve freezing data density is 1 hour.
(2) data stored parameter: a) the concentrator quantity of checking meter is supported 192.B) concentrator memory capacity 32M.The concentrator lower column data of storage of can classifying: c) freeze energy data 31 of each electric energy meter zero points day (zero point next day), checked meter in 12 months day freeze energy data, 254 integral point energy datas that freeze.
4, electric energy meter monitoring running state
Concentrator monitors the electric energy meter operation conditions, and electric energy meter generation parameter modification, clock is overproof or during the situation such as electrical energy meter fault, record time of origin and abnormal data by the logout requirement.
5, parameter setting
(1) clock is called together and is surveyed and time adjustment function
Concentrator has timing unit, the error of time of day absolute value≤0.5s/d of timing unit.The clock that concentrator can receive main website or local handheld device call together survey and to the time order.Concentrator can by local channel to electric energy meter broadcast to the time.
(2) the concentrator parameter arranges and inquiry
But main website is long-range or the local setting of handheld device and inquiry following parameters:
A) concentrator archives;
B) concentrator messaging parameter is such as main website address (comprising main channel and alternate channel), communication protocol, IP address etc.
(3) parameter of checking meter
Can long-range or local setting and the inquiry scheme of checking meter, such as concentrator collection period, the time of checking meter, image data item etc.
(4) the voltage monitoring parameter arranges
The monitored voltage rating of the local and remote setting of energy, the upper voltage limit of adjusting value and lower limit, typical case day, month statistics day, date, time.
6, logout
Can according to the event attribute that arranges, event be pressed critical event and the common event book of final entry.Event comprises parameter modification, checks meter unsuccessfully, concentrator stops/powers on, clock of power meter is overproof etc., and the main matter of record sees the following form.Concentrator can initiatively send a warning message to main website.Concentrator can be preserved nearest 500 logouts.
7, local function
(1) local state indication: the indication such as have power supply, alarm, check meter.
(2) local maintenance interface: the local maintenance interface is provided, supports handheld device by local maintenance interface parameters and on-the-spot copy reading electric energy datas such as infrared communication mouths.Check meter and have authority and Password Management in local parameter setting and scene.
(3) local information Trigger Function: send particular command frame to concentrator by the long concentrator programming key of pressing more than 2 seconds or by infrared, debug port, concentrator can send customizing messages to main website.
8, self check and initialization
(1) self check and exception record: can automatically carry out self check, when discovering device or communication abnormality, have logout and alarm function.
(2) initialization: after receiving the initialization command that main website issues, respectively initialization is carried out in hardware, parameter region, data field, parameter region is set to default value, the data field zero clearing.
Terminal of the present invention satisfies following technical indicator: (1) concentrator: Q/GDW 373-2009; (2) Q/GDW 374.1-2009; (3) Q/GDW 374.2-2009; (4) Q/GDW 374.3-2009; (5) voltage monitoring instrument: DL/T 500-2009.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (2)
1. have the data concentrator of D class voltage quality monitoring function, it comprises power module and processing module, it is characterized in that: described power module is connected with the processing module signal of telecommunication; Described processing module input is connected with the signal output part of GPRS/CDMA module or 10/100Base T ethernet module; Display module, key-press module, AC sampling module, infrared module and remote signal module are connected signal output or input and are inputed or outputed end with the signal of processing module respectively and be connected; RS485 interface module and the signal output of being connected the RS485 interface module or input input or output end with the signal of processing module and are connected.
2. the data concentrator with D class voltage quality monitoring function according to claim 1, it is characterized in that: described processing module comprises data processing unit, storage chip and real-time clock unit; Data processing unit carries out computing and processing by high speed ARM kernel CPU to the data of input, output, and realizes the functions such as storage, demonstration, communication; Memory cell is used for data are stored, and after the terminal power down, the assurance data are not lost; The real-time clock unit is used for providing real-time clock signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102693171A CN103001321A (en) | 2011-09-13 | 2011-09-13 | Data concentrator with class-D voltage quality monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102693171A CN103001321A (en) | 2011-09-13 | 2011-09-13 | Data concentrator with class-D voltage quality monitoring function |
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| CN103001321A true CN103001321A (en) | 2013-03-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018931A (en) * | 2016-05-12 | 2016-10-12 | 南方电网科学研究院有限责任公司 | Voltage qualification rate monitoring method and system |
| CN106534354A (en) * | 2016-12-09 | 2017-03-22 | 国网北京市电力公司 | Electric meter data recording method and apparatus |
| CN107832247A (en) * | 2017-09-25 | 2018-03-23 | 南京天溯自动化控制系统有限公司 | The data concentrator of adaptive communications |
| CN113423082A (en) * | 2021-06-20 | 2021-09-21 | 深圳弘星智联科技有限公司 | Method for efficiently acquiring terminal data of AMI system |
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| CN102075010A (en) * | 2009-11-20 | 2011-05-25 | 深圳长城开发科技股份有限公司 | Power concentrator |
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| CN2904433Y (en) * | 2006-04-29 | 2007-05-23 | 宋振群 | Multifunctional power distribution monitoring terminal |
| CN201541148U (en) * | 2009-05-18 | 2010-08-04 | 上海资和通信科技有限公司 | Electric load remote monitoring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018931A (en) * | 2016-05-12 | 2016-10-12 | 南方电网科学研究院有限责任公司 | Voltage qualification rate monitoring method and system |
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| CN106534354A (en) * | 2016-12-09 | 2017-03-22 | 国网北京市电力公司 | Electric meter data recording method and apparatus |
| CN107832247A (en) * | 2017-09-25 | 2018-03-23 | 南京天溯自动化控制系统有限公司 | The data concentrator of adaptive communications |
| CN113423082A (en) * | 2021-06-20 | 2021-09-21 | 深圳弘星智联科技有限公司 | Method for efficiently acquiring terminal data of AMI system |
| CN113423082B (en) * | 2021-06-20 | 2023-09-05 | 深圳弘星智联科技有限公司 | Method for efficiently collecting terminal data of AMI (advanced metering infrastructure) system |
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Application publication date: 20130327 |