CN108961713A - A kind of intelligent centralized meter-reading system for low-voltage platform area - Google Patents
A kind of intelligent centralized meter-reading system for low-voltage platform area Download PDFInfo
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- CN108961713A CN108961713A CN201810682737.4A CN201810682737A CN108961713A CN 108961713 A CN108961713 A CN 108961713A CN 201810682737 A CN201810682737 A CN 201810682737A CN 108961713 A CN108961713 A CN 108961713A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- Arrangements For Transmission Of Measured Signals (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of intelligent centralized meter-reading system for low-voltage platform area, technical characterstic is: including multiple intelligent data acquisition units, multiple Intelligent data concentrators and main station system；The intelligent data acquisition unit is connected with Intelligent data concentrator, for timing acquiring user electricity data and exports to corresponding Intelligent data concentrator；The Intelligent data concentrator also passes through GPRS communication unit and is connected with main station system, for being uploaded to main station system by GPRS public wireless network after collecting user's electricity data；The main website is used to carry out user's electricity data information to collect and statistically analyze.The present invention can reduce the computational load of data center server, it realizes to the automatic collection of user power consumption, transmission, processing, decision, statistical analysis and data base administration, realize the centralized management of dispersion user, a large amount of man power and material is saved, the intelligent automation management level of electricity enterprise is greatly improved.
Description
Technical field
The invention belongs to technical field of electric power automation, are related to intelligent centralized meter-reading system, especially a kind of to be used for low-voltage platform area
Intelligent centralized meter-reading system.
Background technique
With the continuous expansion of electric power networks, number of users is grown rapidly, and the country has popularized the management mould that Every household has an ammeter
The meter reading workload of formula, the following power supply enterprise is multiplied, and traditional manual metering is time-consuming and laborious, and timeliness and
Accuracy cannot ensure, be no longer satisfied scientific management of the electric power enterprise to meter reading timeliness.Therefore made using a locking equipment
These meters form kilowatt meter reading-out system, copy and accept automatically to it, then become the one of the technological transformation of Customer Service Department of power supply company
A importance.
Currently, some products can no longer meet the requirement of electric power networks development in the market, cause to be pushed away comprehensively
Extensively.But the existing centralized meter-reading system for low-voltage platform area has following several point defects: substation's manual metering is efficient lowly, copies
The problems such as sending data lag and data to make a copy at high cost and long-range control；Existing automatic data logging scheme have at high cost, power consumption it is big,
The problems such as networking small scale, line-hit.
Summary of the invention
The purpose of the present invention is to overcome the defects in the prior art, provide a kind of design rationally, electricity consumption acquisition it is timely
The intelligent centralized meter-reading system for low-voltage platform area that is accurate and can saving human and material resources.
The present invention solves its realistic problem and adopts the following technical solutions to achieve:
A kind of intelligent centralized meter-reading system for low-voltage platform area, including multiple intelligent data acquisition units, multiple intelligent datas
Concentrator and main station system；The intelligent data acquisition unit is connected with Intelligent data concentrator, is used for timing acquiring user
Electricity data is simultaneously exported to corresponding Intelligent data concentrator；The Intelligent data concentrator also passes through GPRS communication unit and main website
System is connected, for being uploaded to main station system by GPRS public wireless network after collecting user's electricity data；The master
It stands for user's electricity progress data information to be collected and statisticallyd analyze.
Moreover, the output end of the Intelligent data concentrator is connected with FLASH memory module, for each electricity consumption individual
Electricity consumption data stored.
Moreover, the area the output end Hai Yutai topology identification module of the FLASH memory module is connected, it is used for FLASH
User's electric energy meter data of a period of time stored in memory module export to platform area topology identification module and carry out platform area topology meter
It calculates, the output end of this area topology identification module is connected by GPRS communication unit with main station system, for platform area is topological
Calculated result export to main station system.
Moreover, the intelligent data acquisition unit includes microprocessor, electric energy metering module, power supply processing module, electric energy
Table display, RS485 bus interface and relay；The output end of the electric energy metering module is connected with the microprocessor, and is used for
User's electricity data of multiple subscriber unit energy meter terminals of timing acquiring is exported to microprocessor module and carries out electricity consumption
It calculates；The output end of the power supply processing module is connected with the microprocessor, for being microprocessor power supply；The microprocessor
The output end of module is connected with electric energy table display, is used for real-time display electricity；The output end of the microprocessor module with
RS485 bus interface is connected, for exporting user's electricity data of timing acquiring to corresponding Intelligent data concentrator；Institute
The output end for stating microprocessor is also connected with the relay being mounted on firewire, for controlling the switch of relay on firewire.
The advantages of the present invention:
1, the present invention provides a kind of designs rationally, electricity consumption acquires promptly and accurately and what can be saved human and material resources is used for
The intelligent centralized meter-reading system of low-voltage platform area；Specifically, (1) present invention passes through the timing of telecommunication channel to wireless collection by main website
The electric energy meter data of terminal are collected, and build low-voltage collecting meter reading, accurately and quickly can carry out meter reading work for client；(2) this hair
It is bright to can be realized remote meter reading, the electricity consumptions situations such as user's real-time query electricity, power load can be helped.(3) meter reading data of the present invention
Accurately, artificial meter reading error can be reduced；(4) present invention can reduce the computational load of data center server, realize to
Automatic collection, transmission, processing, decision, statistical analysis and the data base administration of family electricity consumption.(5) present invention can be realized dispersion
The centralized management of user saves a large amount of man power and material, greatly improves the intelligent automation management level of electricity enterprise.
2, the present invention provides a kind of intelligent centralized meter-reading systems for low-voltage platform area, including Intelligent data concentrator and intelligence
Three parts of data acquisition unit and main station system.Intelligent data concentrator is required according to main station system, periodically to wirelessly adopting
The electric energy meter data of collection terminal are collected, and by the RS485 bus of Phototube Coupling, various data are stored in large capacity
In FLASH, main station system is uploaded to by GPRS public wireless network；Data collector for acquire electric flux initial data and
Relevant information；What main website followed is the ICP/IP protocol of standard, provides the platform management of the family WEB, three-phase load analysis, the knowledge of platform area topology
Not, statistics and report are checked.The present invention can reduce the computational load of data center server, realize to user power consumption
The centralized management of dispersion user is realized in automatic collection, transmission, processing, decision, statistical analysis and data base administration, is saved big
The man power and material of amount greatly improves the intelligent automation management level of electricity enterprise.
Detailed description of the invention
Fig. 1 is that system of the invention constitutes block diagram；
Fig. 2 is system global structure figure of the invention；
Fig. 3 is intelligent data acquisition cellular construction block diagram of the invention；
Fig. 4 is Intelligent data concentrator structural block diagram of the invention；
Fig. 5 is main station system structural block diagram of the invention；
Fig. 6 is K-means algorithm flow chart of the invention.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing:
A kind of intelligent centralized meter-reading system for low-voltage platform area, as depicted in figs. 1 and 2, including multiple intelligent data acquisition lists
First, multiple Intelligent data concentrators and main station system；The intelligent data acquisition unit is connected with Intelligent data concentrator, uses
In timing acquiring user electricity data and export to corresponding Intelligent data concentrator；The Intelligent data concentrator also passes through GPRS
Communication unit is connected with main station system, for being uploaded to master by GPRS public wireless network after collecting user's electricity data
It stands system；The main website is used to carry out user's electricity data information to collect and statistically analyze.
In the present embodiment, the output end of the Intelligent data concentrator is connected with FLASH memory module, for each
The electricity consumption data of electricity consumption individual are stored.
In the present embodiment, the area the output end Hai Yutai topology identification module of the FLASH memory module is connected, and is used for
User's electric energy meter data of a period of time stored in FLASH memory module are exported to platform area topology identification module and carry out platform area
Topology calculates, and the output end of this area topology identification module is connected by GPRS communication unit with main station system, is used for platform
The calculated result of area's topology is exported to main station system.
Topology identification in platform area extracts user's electric energy meter data of a period of time as input terminal from FLASH storage, passes through
K-means clustering algorithm and topological recognizer, are output to GPRS communication unit, are opened up the platform area of calculating by GPRS communication unit
It flutters and uploads to main website.
In the present embodiment, the intelligent data acquisition unit includes microprocessor, electric energy metering module, power supply processing mould
Block, electric energy table display, RS485 bus interface and relay；The output end of the electric energy metering module is connected with microprocessor
It connecing, being carried out for exporting user's electricity data of multiple subscriber unit energy meter terminals of timing acquiring to microprocessor module
Electricity consumption is calculated；The output end of the power supply processing module is connected with the microprocessor, for being microprocessor power supply；It is described micro-
The output end of processor module is connected with electric energy table display, is used for real-time display electricity；The output of the microprocessor module
End is connected with RS485 bus interface, concentrates for exporting user's electricity data of timing acquiring to corresponding intelligent data
Device；The output end of the microprocessor is also connected with the relay being mounted on firewire, for controlling relay on firewire
Switch.
The composition of modules of the invention, function and effect are described further separately below:
(1) the intelligent data acquisition unit is hardware device, including subscriber unit energy meter terminal and RS485 interface.
Subscriber unit energy meter terminal timing acquiring user's electricity data, and be arranged and instruct according to system, these data are passed through small
RS485 bus in area is automatically delivered to Intelligent data concentrator, as the foundation charged to user.RS485 interface, at most may be used
232 tunnel, 485 ammeter is connect, it can be achieved that returning to the transparent forwarding to send instructions under concentrator, and by the response of 485 ammeters, can also be led to
Cross address, traffic rate, the communication protocol etc. of infrared maintenance interface setting and 485 ammeters of inquiry.
Fig. 3 is intelligent data acquisition cellular construction block diagram of the invention；Microprocessor is by calculating from electric energy metering device
The electricity consumption of user is calculated in the pulse of output, and real-time display makes user understand service condition over the display.Energy meter terminal
The information package of acquisition is transferred to intelligent concentrator by RS485, intelligent data acquisition unit is according to data center of main website
Instruction controls the switch of relay on firewire, powers off to the long-range punitive of the user to pay dues not in time.Electric energy meter uses relay
Before take a little, even if guarantee user power-off after can also work always.
(2) as shown in figure 4, the Intelligent data concentrator is hardware device, it is responsible for the electricity consumption etc. of each electricity consumption individual
Data are summarized and are managed, and by the RS485 bus of Phototube Coupling, various data are stored in the FLASH of large capacity, are led to
It crosses GPRS public wireless network and is uploaded to main station system, while main website setting parameter, trick can survey real time data, history number in the distance
According to, alarm data and active reporting etc..
(3) as shown in figure 5, including communication main website and application system described in the main station system, main task is will be from intelligence
Can user's electricity for coming up of data concentrator transmission carry out data information collect, statistically analyze, integrated management, data base administration
Deng.All user informations and payment information are stored in lane database, if the residual amount of user is less than the value of setting, are
System can be sent automatically by Short Message Service Gateway presses for payment of short message, avoids the accidental interruption of user power utilization；According to the user from scene back
Electricity consumption carries out lump-sum settlement daily, and automatically cuts off defaulting subscriber；System is entered an item of expenditure in the accounts every month and report, summarizes whole network
Power consumption and the amount of money of actually deducting fees, and the user power utilization information in the period is counted, analysis user power utilization habit is power grid science
Rationally transmit electric power offer according to be responsible for information summarize, arranges after be pocessed, be supplied to the charging system accounting electricity charge, and manage
All user informations in system, the case where not paying the electricity charge if there is certain user, can also remotely directly control power-off
Or it sends and presses for payment of short message operation.
(4) as shown in fig. 6, the platform area topology identification technology of the intelligence centralized meter-reading system mainly applies k-means method poly-
Class obtains the subordinate relation of user Yu platform area, then determining table area topological structure.To all users in a certain area, by calculating simultaneously
Comparison voltage curvilinear correlation size judges to obtain the upstream-downstream relationship of platform area user, i.e., in same area, related coefficient is most
Two big users are adjacent, are in upstream-downstream relationship on topology diagram, and according to cluster result, the topology adjusted between user is closed
System obtains by part to whole topological structure.
Wherein, k-means clustering algorithm is specific as follows:
Step 1: cluster number k is determined, from k object of n data Object Selection as initial cluster center；
Step 2: following processes are recycled, until each cluster is no longer changed；
Step 3: according to the mean value (center object) of each clustering object, calculate each object and these center objects away from
From, and corresponding object is divided again according to minimum range；
Step 4: recalculating the mean value (center object) of each (changing) cluster.
This is concrete application of the intelligence centralized meter-reading system in terms of the data statistics of platform area and topological identification, is copied to intelligence collection
The invention of system function extends.The present invention can reduce the computational load of data center server, realize to user power consumption
The centralized management of dispersion user is realized in automatic collection, transmission, processing, decision, statistical analysis and data base administration, is saved big
The man power and material of amount greatly improves the intelligent automation management level of electricity enterprise.
It is emphasized that embodiment of the present invention be it is illustrative, without being restrictive, therefore the present invention includes
It is not limited to embodiment described in specific embodiment, it is all to be obtained according to the technique and scheme of the present invention by those skilled in the art
Other embodiments, also belong to the scope of protection of the invention.
Claims (4)
1. a kind of intelligent centralized meter-reading system for low-voltage platform area, it is characterised in that: including multiple intelligent data acquisition units, multiple
Intelligent data concentrator and main station system；The intelligent data acquisition unit is connected with Intelligent data concentrator, for timing
It acquires user's electricity data and exports to corresponding Intelligent data concentrator；The Intelligent data concentrator also passes through GPRS communication unit
Member is connected with main station system, for being uploaded to system of main website by GPRS public wireless network after collecting user's electricity data
System；The main website is used to carry out user's electricity data information to collect and statistically analyze.
2. a kind of intelligent centralized meter-reading system for low-voltage platform area according to claim 1, it is characterised in that: the intelligence number
It is connected according to the output end of concentrator with FLASH memory module, is stored for the electricity consumption data to each electricity consumption individual.
3. a kind of intelligent centralized meter-reading system for low-voltage platform area according to claim 2, it is characterised in that: the FLASH
The area the output end Hai Yutai topology identification module of memory module is connected, when one section for will store in FLASH memory module
Between user's electric energy meter data export to platform area topology identification module carry out platform area topology calculate, this area topology identification module
Output end is connected by GPRS communication unit with main station system, for exporting the calculated result of platform area topology to system of main website
System.
4. a kind of intelligent centralized meter-reading system for low-voltage platform area according to claim 1, it is characterised in that: the intelligence number
According to acquisition unit include microprocessor, electric energy metering module, power supply processing module, electric energy table display, RS485 bus interface and
Relay；The output end of the electric energy metering module is connected with the microprocessor, for by multiple subscriber units of timing acquiring
User's electricity data of energy meter terminal exports to microprocessor module and carries out electricity consumption accounting；The power supply processing module it is defeated
Outlet is connected with the microprocessor, for being microprocessor power supply；The output end and electric energy meter of the microprocessor module are shown
Device is connected, and is used for real-time display electricity；The output end of the microprocessor module is connected with RS485 bus interface, and being used for will
User's electricity data of timing acquiring is exported to corresponding Intelligent data concentrator；The output end of the microprocessor also with installation
Relay on firewire is connected, for controlling the switch of relay on firewire.
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Cited By (4)
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| CN109617231A (en) * | 2018-12-13 | 2019-04-12 | 天津大学 | A kind of user network topology identification device and method for low-voltage platform area |
| CN111181246A (en) * | 2020-01-09 | 2020-05-19 | 中电科安科技股份有限公司 | Energy consumption analysis method and system based on intelligent circuit breaker |
| CN112950406A (en) * | 2021-03-25 | 2021-06-11 | 深圳友讯达科技股份有限公司 | User electricity utilization monitoring method and device |
| CN113128117A (en) * | 2021-04-20 | 2021-07-16 | 河南能创电子科技有限公司 | Low-voltage centralized reading, operation and maintenance simulation device based on AI artificial neural network research |
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| CN113128117A (en) * | 2021-04-20 | 2021-07-16 | 河南能创电子科技有限公司 | Low-voltage centralized reading, operation and maintenance simulation device based on AI artificial neural network research |
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