CN201449661U - Remote electric power meter reading system - Google Patents

Remote electric power meter reading system Download PDF

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Publication number
CN201449661U
CN201449661U CN2009200326477U CN200920032647U CN201449661U CN 201449661 U CN201449661 U CN 201449661U CN 2009200326477 U CN2009200326477 U CN 2009200326477U CN 200920032647 U CN200920032647 U CN 200920032647U CN 201449661 U CN201449661 U CN 201449661U
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CN
China
Prior art keywords
module
collector
meter reading
data
power
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Application number
CN2009200326477U
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Chinese (zh)
Inventor
江辉剑
洪冰滢
崔林涛
李春雨
王健
钟桦
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西安电子科技大学
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Priority to CN2009200326477U priority Critical patent/CN201449661U/en
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Publication of CN201449661U publication Critical patent/CN201449661U/en

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Abstract

The utility model provides a remote electric power meter reading system, which comprises a electrical energy meter terminal, a first grade collector, a second collector and a meter reading center PC terminal, wherein the system is in four-layer bipolar transmission structure; terminal of the electrical energy meter obtains electric quantity data statistics of pulse output of the digital electrical energy meter; data is transported to the first grade collector through an electric power carrier from the terminal of the electrical energy meter; the first grade collector collects and process electric quantity data, and then transports it to the second grade collector through a Zigbee; the second grade collector transmits the collected electric quantity data to the meter reading PC machine, wherein the meter reading center PC terminal adopts the second grade collector and the first grade collector to feedback electricity information after meter reading to the terminal of the electrical energy meter of user, and provide services like arrearage, current failure notice and electric power consumption information. The utility model is provided with low cost, high reliability and convenient maintenance, and can be applied in remote meter reading, management of power use and feedback of electricity consumption information.

Description

The remote power kilowatt meter reading-out system
Technical field
The present invention relates to the power line carrier, PLC technology, specifically is a kind of remote power kilowatt meter reading-out system based on power carrier and ZigBee, GPRS or other communication technology.
Background technology
Along with the development of society, the competition of the home and abroad of enterprise requires enterprise to raise the management level, and IT application in enterprises is an important means that raises the management level.
In informationalized today, the development of the meter reading method of China's electric power system also can't be satisfactory, and he lags behind the information-based paces of electric system far away.Now China's power supply department electric fees charging mode exists: manual checking meter, handheld reading meter device is checked meter, plug-in card ammeter mode such as pay the fees.Obviously manual checking meter exists the cost height of checking meter, and consumes a large amount of manpowers, makes mistakes easily, occurs leaking problems such as copying, copy less easily, and the data that obtain of checking meter are very little to the information-based effect of power supply enterprise.Handheld reading meter device is checked meter and plug-in card shows ammeter, though alleviated the human cost of checking meter to a certain extent, its data that obtain of checking meter are limited, can do nothing to help power supply enterprise and analyze its power supply cost and current supply loss, control its power supply cost.
Utilize the remote meter reading ammeter terminal of power supply department to collect user's ammeter data by certain communication mode.This kilowatt meter reading-out system can change the frequency of checking meter according to the size of amount of communication data, so not only can reduce the human cost of checking meter greatly, and can realize gathering the ammeter data of synchronization, can realize like this current supply loss effectively analyzed and help power supply enterprise's power supply cost.
Kilowatt meter reading-out system has developed for a long time abroad, has domesticly also proposed kilowatt meter reading-out system in the nineties, but because the defective of structure can't obtain large tracts of land always effectively uses.Existing kilowatt meter reading-out system generally adopts three-decker, makes check meter communications cost and communication reliability fail to reach better balance.The communication modes that existing kilowatt meter reading-out system adopts is big to being divided into wireless telecommunications and wire communication.Usually the wireless communication technique that adopts has GPRS, infrared, ZigBee, bluetooth etc., they have the wiring of need not, reduce advantages such as engineering cost and maintenance cost, but the communication distance of infrared, ZigBee, bluetooth is shorter, it is big to be subjected to barrier to stop signal attenuation, though and the GPRS communication distance is far away, it needs communication fee, can't large tracts of land layout.
Usually the wire transmission technology that adopts can be divided into line of electric force, concentric cable, Category-5 twisted pair etc. by the transmission medium difference, its standard coaxial cable, Category-5 twisted pair have communication apart from long and higher advantages such as transfer rate, but their engineering cost and maintenance cost are very high.And the power carrier communication technology has the advantage that need not other laying-out, and it can reduce maintenance cost and engineering cost, but its communication quality is subjected to the quality of line of electric force and the influence of electric load easily.
The utility model content
The purpose of this utility model has proposed a kind of remote power kilowatt meter reading-out system at the problem that above-mentioned kilowatt meter reading-out system exists, and to realize the feedback of remote meter reading, the management of power use and user power utilization information, solves the contradiction of kilowatt meter reading-out system communications cost and data reliability.
For achieving the above object, the utility model comprises ammeter terminal, collector and checks meter center P C end, wherein collector is made as two-stage, form four layers of transmitted in both directions structure, the ammeter terminal realizes bidirectional data transfers by power line carrier, PLC mode and one-level collector, the one-level collector is realized bidirectional data transfers by ZigBee communication mode and secondary collector, and the secondary collector is realized bidirectional data transfers by GPRS communication mode or other wired or wireless communication mode with the center P C machine of checking meter.
Described ammeter terminal comprises: electric energy metrical module, drawing lock control module, extension storage module, game clock logging modle, calendar clock module, power down protection module, sound and light alarm module, power carrier communication module, key-press module and be used for the LCD display module of display notification, information about power, these modules are connected with 51 processors are two-way respectively.
Described one-level collector comprises: button control module, calendar clock module, PLC communication module, ZigBee communication module, extension storage module and be used to show the LCD display module of one-level collector duty and plant maintenance operational order function, these modules are connected with the MSP430 processor respectively.
Described secondary collector comprises: the communication module of button control module, calendar clock module, GPRS or other communication modes, ZigBee communication module extension storage module and be used to show the LCD display module of secondary collector duty and plant maintenance operational order function, these modules are connected with the FPGA processor is two-way respectively.
The utility model compared with prior art has following advantage:
1, owing to adopts wire communication mode and radio communication to combine dexterously, utilized a kind of advantage of transmission mode effectively to overcome the deficiency of another kind of transmission mode fully, and the deficiency of self is helped solve by another kind of communication mode, makes each communication modes obtain good complementation.
2, adopt power carrier because ammeter is communicated by letter with the one-level collector, make the wire communication mode not be subjected to the interference of buildings, effectively overcome the data transmission of electric supply meter in buildings; And communication signal is carried on the line of electric force, need not to increase the transmission channel of signal, has reduced the engineering and the maintenance cost of communication.
3, because one-level collector and secondary collector adopt the wireless transmission method of ZigBee, it has utilized the wireless transmission of ZigBee, automatic network-building, automatic route, can realize the data long distance transmission, it is big to have overcome the long Distance Transmission signal attenuation of power carrier, and data communication can't be crossed over the problem of transformer; And low engineering and the maintenance cost of having saved of passing node equipments cost, the low operating cost of having saved of operation energy consumption.
4, because the number of devices of secondary collector is limited, can adopt GPRS, also can utilize netting twine or alternate manner to be connected with the PC that checks meter with communicating by letter of the PC of checking meter.Engineering and operating cost have been controlled in the dirigibility that assurance so promptly is connected with the PC meter reading terminal again.
5, owing to adopt two-way data communication, can realize issuing information such as power failure, arrearage to the user, be that the user provides human nature service to help power supply enterprise, promotes service quality; To malicious owing fee user's long-range outage with close the electricity operation, press for payment of the electricity charge to help power supply enterprise; Time-shared charge, the convenient electricity price of adjusting is to help to reduce the fluctuation of network load.
6, the utility model can realize that a few minutes finish once the collection of the electric weight of same time point to dozens of minutes according to the size of real network, has higher real-time.
Description of drawings
Fig. 1 is a native system one-piece construction synoptic diagram;
Fig. 2 is the structural representation of the ammeter terminal of native system;
Fig. 3 is the structural representation of the one-level collector of native system;
Fig. 4 is the structural representation of the secondary collector of native system;
Fig. 5 is the process flow diagram of checking meter of native system.
Embodiment
With reference to Fig. 1, the utility model comprises: ammeter terminal, one-level collector, secondary collector and the center of checking meter, forming four-layer structure. this center of checking meter is by GPRS or other communication mode and secondary collector realization bidirectional data transfers, the secondary collector is realized bidirectional data transfers by ZigBee communication mode and one-level collector, and the one-level collector is realized bidirectional data transfers by power line carrier, PLC mode and ammeter terminal.
With reference to Fig. 2; the ammeter terminal comprises: electric energy metrical module, drawing lock control module, Expansion memory module, LCD display module, button control module, game clock meter record module, calendar clock module, power down protection module, sound and light alarm reminding module and PLC communication module, these modules are connected with 51 processors are two-way respectively.Be solidified with display routine, power carrier communication program, power down protection program, drawing lock control program, game clock logging program, sound and light alarm program, calendar program, electric energy metrical statistics program and data in this 51 processor and unpack routine analyzer.51 processors are realized the electric weight statistics by each module of these programmed control ammeter terminals of solidifying, breath such as the control of drawing lock, display notification, electric weight letter, the game clock meter record of illegal game clock, ammeter is synchronous terminal time, sound and light alarm prompting and function such as communicate by letter with the one-level collector.
With reference to Fig. 3, the one-level collector comprises: LCD display module, button control module, calendar clock module, PLC communication module, ZigBee communication module and Expansion memory module, these modules are connected with the MSP430 processor is two-way respectively.Be solidified with display routine, calendar program, power carrier communication program, ZigBee communication program, packing data program and data in the MSP430 processor and unpack routine analyzer.The MSP430 processor realizes showing one-level collector duty and plant maintenance operational order by each module of these programmed control one-level collectors of solidifying, each equipment time synchronized, and with the ammeter terminal communication, and function such as communicate by letter with the secondary collector.
With reference to Fig. 4, the secondary collector comprises: LCD shows mould, button control module, calendar clock, GPRS communication module, ZigBee communication module and extended memory.These modules are connected with the FPGA processor is two-way respectively.Be solidified with display routine, calendar program, ZigBee communication program in the FPGA processor, realize that signal procedure, packing data program and the data of GPRS communication or other communication mode unpack routine analyzer.The FPGA processor realizes showing secondary collector duty and plant maintenance operational order by each module of these programmed control secondary collectors of solidifying, and each equipment time synchronized is communicated by letter with behaviour's table center and function such as communicated by letter with the secondary collector.
With reference to Fig. 5, the course of work of the present utility model is as follows:
The ammeter terminal receives and adds up the pulse of user's digital electric meter generation, becomes the pulses switch of digital electric meter electric weight and record to show.This data electric weight is regularly latched, be transferred to the one-level collector by power carrier according to the cycle of setting of checking meter.This one-level collector is checked meter the cycle according to default, receives the electric quantity data that the ammeter terminal sends, and stores by the certain data format packing, is transferred to the secondary collector by the ZigBee mode.The secondary collector is also pressed the cycle of default, receives the electric quantity data that the one-level collector sends, and stores by the certain data format packing, is sent to the PC end at the center of checking meter by GPRS or other wireless transmission or wire transmission mode.This software of checking meter of checking meter center P C end carries out statistical study to the electric quantity data of receiving, calculates user's power consumption, dump energy, and can print required form according to needs, finishes the work of checking meter.
After the end of checking meter, amr message need be fed back to user's ammeter terminal, information such as arrearage, power failure, power consumption are provided for the user.The center P of checking meter C end can and safeguard that needs have a power failure and powered operation in the execution of ammeter terminal according to feedback information.Because native system is the transmitted in both directions structure, the center P of checking meter C end can be transferred to the one-level collector with power information by the secondary collector, after this one-level collector receives data message, data are analyzed, ammeter terminal transmission data to the user, after the ammeter terminal receives data, data are analyzed, above-mentioned power information is presented at the ammeter terminal.
Because the electric quantity data that the electric quantity data statistical study is required to be gathered of system must be the electric weight of synchronization, so before checking meter, will guarantee the clock unanimity of each equipment of system, promptly each equipment of system is carried out time operation, to the time generally pass on throughput rate to carry out less midnight in data.
When the utility model is operated when system is carried out distich, the center P of checking meter C end to the secondary collector send to the time instruction, and the startup timer is waited for the feedback of secondary collector, stop the timer timing after when receiving feedback information, calculate communication time then as the time modified value, modified value is added that the current time sends to the secondary collector as time data, the temporal information of modification self after the secondary collector time of receipt (T of R) data.
In like manner can realize one-level collector and ammeter terminal to the time.
This system compares other kilowatt meter reading-out system, owing to adopted four-layer structure, can better realize the collection to the ammeter data in a city.A city often is made up of many sub-districts in the reality, and there are many residential buildings each sub-district.At this situation, this is novel when practical application, and the ammeter terminal of every residential building is carried out data communication by power carrier and the one-level collector that is installed in outside the building.The one-level collector in every building communicates by the secondary collector of ZigBee and sub-district.Because the communication distance of ZigBee is not far, the ZigBee relay contact is set from far the time at one-level collector and secondary collector.The secondary collector of each sub-district is communicated by letter with the center of checking meter of power supply department by GPRS.Because the quantity of sub-district is not very big in city, urban cells all has cable television network and broadband networks now, and the secondary collector can be considered to use cable television network or broadband networks or alternate manner to hold with the PC at the center of checking meter to communicate by letter.Concrete condition is considered according to combined factors such as speed and costs.

Claims (4)

1. remote power kilowatt meter reading-out system, comprise ammeter terminal, collector and check meter center P C end, it is characterized in that collector is made as two-stage, form four layers of transmitted in both directions structure, the ammeter terminal realizes bidirectional data transfers by power line carrier, PLC mode and one-level collector, the one-level collector is realized bidirectional data transfers by Zigbee communication mode and secondary collector, and the secondary collector is realized bidirectional data transfers by GPRS communication mode or other wired or wireless communication mode with the center P C machine of checking meter.
2. kilowatt meter reading-out system according to claim 1; it is characterized in that the ammeter terminal comprises: electric energy metrical module, drawing lock control module, extension storage module, game clock logging modle, calendar clock module, power down protection module, sound and light alarm module, power carrier communication module, key-press module and be used for the LCD display module of display notification, information about power, these modules are connected with 51 processors are two-way respectively.
3. kilowatt meter reading-out system according to claim 1, it is characterized in that the one-level collector comprises: button control module, calendar clock module, PLC communication module, ZigBee communication module, extension storage module and be used to show the LCD display module of one-level collector duty and plant maintenance operational order function, these modules are connected with the MSP430 processor is two-way respectively.
4. kilowatt meter reading-out system according to claim 1, it is characterized in that the secondary collector comprises: button control module, calendar clock module and GPRS communication module, ZigBee communication module extension storage module and be used to show the LCD display module of secondary collector duty and plant maintenance operational order function, these modules are connected with the FPGA processor is two-way respectively.
CN2009200326477U 2009-04-16 2009-04-16 Remote electric power meter reading system CN201449661U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102065134A (en) * 2010-12-14 2011-05-18 广东雅达电子股份有限公司 Remote concentrated meter reading system
CN102129767A (en) * 2011-01-25 2011-07-20 福建省电力有限公司三明电业局 Information terminal box for electricity utilization of resident customers
CN101881977B (en) * 2009-05-05 2012-01-11 北京首科软件及系统集成有限责任公司 Wireless meter reading system for urban water affairs
CN102592424A (en) * 2012-02-27 2012-07-18 苏州明上系统科技有限公司 Wireless meter reading communication system
CN103152427A (en) * 2013-03-20 2013-06-12 杭州乾程弘泰电力科技有限公司 Remote wireless meter-reading control method
CN103200241A (en) * 2013-03-20 2013-07-10 杭州乾程弘泰电力科技有限公司 Remote wireless meter reading control device
CN103647730A (en) * 2013-12-31 2014-03-19 李建新 Electricity consumption information communication system
CN104994161A (en) * 2015-07-06 2015-10-21 福建神州电子股份有限公司 Smart electric meter remote real-time management system
CN108010300A (en) * 2016-10-31 2018-05-08 北京赛伟网络技术有限责任公司 Living resources dosage monitoring system and method
CN109816159A (en) * 2019-01-08 2019-05-28 中国联合网络通信集团有限公司 A kind of water meter control method based on prediction, water meter, control device
CN110189509A (en) * 2019-05-09 2019-08-30 广东电网有限责任公司 A kind of wireless long-distance meter-reading system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101881977B (en) * 2009-05-05 2012-01-11 北京首科软件及系统集成有限责任公司 Wireless meter reading system for urban water affairs
CN102065134A (en) * 2010-12-14 2011-05-18 广东雅达电子股份有限公司 Remote concentrated meter reading system
CN102129767A (en) * 2011-01-25 2011-07-20 福建省电力有限公司三明电业局 Information terminal box for electricity utilization of resident customers
CN102592424A (en) * 2012-02-27 2012-07-18 苏州明上系统科技有限公司 Wireless meter reading communication system
CN103152427A (en) * 2013-03-20 2013-06-12 杭州乾程弘泰电力科技有限公司 Remote wireless meter-reading control method
CN103200241A (en) * 2013-03-20 2013-07-10 杭州乾程弘泰电力科技有限公司 Remote wireless meter reading control device
CN103647730B (en) * 2013-12-31 2016-06-22 李建新 A kind of power information communication system
CN103647730A (en) * 2013-12-31 2014-03-19 李建新 Electricity consumption information communication system
CN104994161A (en) * 2015-07-06 2015-10-21 福建神州电子股份有限公司 Smart electric meter remote real-time management system
CN108010300A (en) * 2016-10-31 2018-05-08 北京赛伟网络技术有限责任公司 Living resources dosage monitoring system and method
CN109816159A (en) * 2019-01-08 2019-05-28 中国联合网络通信集团有限公司 A kind of water meter control method based on prediction, water meter, control device
CN109816159B (en) * 2019-01-08 2021-04-02 中国联合网络通信集团有限公司 Water meter control method, water meter and control device based on prediction
CN110189509A (en) * 2019-05-09 2019-08-30 广东电网有限责任公司 A kind of wireless long-distance meter-reading system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100505

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