CN101364341B - Prepaid electricity consumption control system based on wireless multi-hop network - Google Patents
Prepaid electricity consumption control system based on wireless multi-hop network Download PDFInfo
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- CN101364341B CN101364341B CN2008100133313A CN200810013331A CN101364341B CN 101364341 B CN101364341 B CN 101364341B CN 2008100133313 A CN2008100133313 A CN 2008100133313A CN 200810013331 A CN200810013331 A CN 200810013331A CN 101364341 B CN101364341 B CN 101364341B
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Abstract
The invention provides a prepaid electricity-utilization control system based on a wireless multi-hop network, which comprises a remote controller, a plurality of wireless prepaid electronic electric-energy meters, an electricity-selling machine, a wireless multi-hop concentrator and an upper computer. The remote controller communicates with the wireless pre-payment electronic electric-energy meters or the electricity-selling machine by means of the infrared rays. The interface of the electricity-selling machine is connected with the communication interface of the upper computer. The serial interfaces of the upper computer are interconnected via a GPRS module. The GPRS module communicates with the wireless multi-hop concentrator. The wireless multi-hop concentrator communicates with the plurality of wireless pre-paid electronic electric-energy meters respectively via a NRF905 wireless communications module. Compared with the prior art, the prepaid electricity-utilization control system has the advantages of scientific and novel design, good flexibility and accessibility in selling electricity, easy use and accurate operation. Additionally, the prepaid electricity-utilization control system has the advantages of high electricity-selling efficiency, strong practicability, compact overall structure, low material consumption, long service life, low cost, stable and reliable performance, and convenient maintenance; and is applicable to the promotion and application in electric power sectors.
Description
Technical field
What the present invention relates to is control management system, concrete control and the management system that is based on a kind of digitizing, intellectuality and networked electricity consumption advance charges that wireless multi-hop network technology uses in electric system.
Background technology
At present, the electric energy meter that rural electricity consumption and the metering of power supply operating division are adopted mainly contains three classes: a class is traditional rotating disc type machinery electric energy meter, be to use at present the most general a kind ofly, drawback is that precision is high and be difficult to realize digitizing function, is a kind of electric energy meter on the verge of being replaced.Second class is an electronic electric energy meter, is the present advanced a kind of electric energy meter that uses, and is characterized in having adopted special IC, has improved measuring accuracy and reliability, but owing to there is not CPU, can't realize other functions such as demonstration and prepaid.The 3rd class is the prepaid electronic electric energy meter, is the present most advanced and the strongest class of function, has measuring accuracy height, prepaid and digital Presentation Function.Mainly contain the IC-card formula with the infrared communication formula.But there are some disadvantages in the prepaid electronic electric energy meter of IC-card formula: at first be must the contact communication, secondly be ammeter can not complete closed and IC damage easily, main is the severe cold weather that is not suitable for north of china in winter.
From the angle of checking meter, though be the problem of studying for many years, but mainly concentrate on 485 buses or power line carrier technology, the user that this series products is concentrated relatively for living is very effective, so application is preferably arranged in the area, cities and towns of China, but does not but have basic solution for the such huge market of rural power.The odjective cause that forms this situation mainly contains two aspects, and the rural power service user is sparsely populated on the one hand; The another one aspect is that rural power service user ability to shoulder economically is limited, has limited rural power management of power use modernization process widely with regard to these two aspects.For wired for example 485 bus type of product of checking meter, so, be applicable to that the sub-district installs concentratedly because the distance of living disperses installation wiring very complicated and cost is very high.For the power line carrier product because cost is higher and because China's rural power electrical network electric weight quality problem bandwidth problem of also having transformer to bring has all restricted the development of this series products.Also risen direct product with reading meter by short message recently, obviously promoted unrealistic but increase more than 200 yuan cost for a common rural power user.
Along with the fast development of science and technology, the development trend of electricity consumption operation and management must be to develop to digitizing, intellectuality and networked direction, and traditional electric energy meter and management of power use mode will be abandoned.
Summary of the invention
The objective of the invention is the electricity charge to be collected the problem that has many discomforts at present rural electricity consumption and power supply operating division, very be applicable to the rural area and provide, can realize a kind of prepaid electricity using control system of control of many rates pre-payment and remote centralized meter-reading management based on wireless multi-hop network.
Addressing the above problem the technical scheme of being taked is:
A kind of prepaid electricity using control system based on wireless multi-hop network comprises electronic electric energy meter, sale of electricity machine, wireless multi-hop concentrator, the host computer of telepilot, a plurality of wireless prepaid; Described telepilot conducts with electronic electric energy meter or sale of electricity machine mutually by infrared ray; Interface on the casing of sale of electricity machine is connected with the communication interface of host computer by data line, first serial line interface of host computer connects the GPRS module, this GPRS module is conducted mutually with the wireless multi-hop concentrator, and the wireless multi-hop concentrator conducts with the electronic electric energy meter of a plurality of wireless prepaid that have the NRF905 wireless communication module respectively mutually by wireless multi-hop network;
Above-mentioned telepilot comprises the circuit control panel that is contained in the housing; As shown in Figure 3, be equiped with infrared ray on the circuit control panel and send receiving chip and 8958A processor chips; The corresponding output terminal that infrared ray sends receiving chip is connected with the two ends of red LED light emitting diode, and the input end of 8958A processor chips is connected with digital function button on the telepilot.
The electronic electric energy meter of above-mentioned wireless prepaid comprises that cased wireless communication module, electric energy acquisition module, infrared ray send receiving chip, 8958A processor chips and relay as shown in Figure 2; The output terminal of the infrared transmission receiving chip of electric energy meter is connected with the 8958A processor chips corresponding input end of described electric energy meter by lead, the input end of electric energy acquisition module is connected with user's electric current, voltage circuit respectively, the output terminal of electric energy acquisition module is connected with the corresponding input end of 8958A processor chips, the corresponding input end of 8958A processor chips is connected with the output terminal of wireless communication module by the SPI interface, and the output terminal of 8958A processor chips is connected with the relay coil two ends;
Above-mentioned sale of electricity machine comprises that the infrared electro coupling mechanism, MAX232 interface, the infrared ray that are contained in the casing send receiving chip and 8958A processor chips as shown in Figure 5; The input end that described infrared ray sends receiving chip is connected with the output terminal of infrared electro coupling mechanism, and the output terminal of 8958A processor chips is connected with second serial line interface of host computer by the MAX232 interface and carries out communication;
Above-mentioned wireless multi-hop concentrator comprises the 2nd GPRS module, C8051F020 processor chips and wireless communication module; The communication terminal that the communication terminal of described the 2nd GPRS module is corresponding with the C8051F020 processor chips is connected, and the SPI mouth of C8051F020 processor chips is connected with the communication terminal of wireless communication module.
Principle of work of the present invention and running program:
Wireless multi-hop network is to quote from present new academic frontier wireless network sensor technology, implements by the increase wireless communication module.Wireless multi-hop network system architecture synoptic diagram of the present invention is to be made of the electronic electric energy meter based on host computer, GPRS module, wireless multi-hop concentrator, wireless communication module and the wireless prepaid of the sale of electricity machine of infrared-ray communication technology, telepilot, electricity consumption centre management as shown in Figure 1.
The electronic electric energy meter of user's wireless prepaid all is equiped with wireless communication module among the present invention, its structural representation as shown in Figure 2, wireless communication module has adopted the SM8958A processor chips; NRF905 wireless telecommunications chip has partly been adopted in wireless telecommunications, carries out programmed configurations and data information transmission by the SPI communication between it and processor.NRF905 wireless telecommunications chip, by a fully-integrated frequency modulator, the receiver of a band detuner, a power amplifier, a crystal oscillator and a regulator are formed, the hardware encoding decoding, the ShockBurst mode of operation produces lead code and CRC automatically, is easy to carry out programmed configurations by the SPI interface.Wireless communication module also has a control output, requires the adhesive of pilot relay to reach the purpose of on-off circuit according to systemic-function, and promptly pre-payment lamp and other electrical appliance can not ignite.Though single ammeter communication distance is limited, only be one kilometer, but the electronic electric energy meter of each wireless prepaid all has the function of route, can transmit the communications protocol bag, wireless multi-hop with GPRS communication and 433MHZ wireless telecommunications so only is set in each village concentrates module to get final product, the ammeter of diverse location just can be forwarded to wireless multi-hop by multi-hop route between the ammeter and concentrate on the module, and electricity consumption data transmission is the most at last given the user's electronic electric energy meter to management of power use center or with the steering order information transmission.
The centre management host computer that is equiped with general management of power use software writes the sale of electricity machine by serial line interface and the communication of sale of electricity machine with pre-electricity sales amount; The sale of electricity machine writes in the storer of telepilot by the Radio infrared communication electric weight that will prestore; The wireless communication transmission of NRF905 wireless communication module by 433MHZ gathers to the wireless multi-hop concentrator with the instruction of control center and with the power information of all users in the zone, wireless multi-hop concentrator and GPRS module are carried out communication by the GPRS network of maturation, and the GPRS module is connected by serial line interface with the centre management host computer, user power utilization information gathers and is transferred to electricity consumption centre management host computer or the command transfer of centre management host computer is gone out the most at last, as: the increase pre paid functionality is set, secret thief-proof function, the meter reading data passback, change rate or the period is provided with ... etc. function.
A village or the GPRS module that far-end control center is given the user power utilization data transmission by the transmission of wireless multi-hop network in the zone, read user power utilization information by serial line interface from the GPRS module of control center with the electrfic centre host computer, storage and handling.Control center also can be transferred to steering order the GPRS module of control center by serial line interface, the GPRS module is transferred to the wireless multi-hop concentrator of appointed area by GPRS network with instruction, and the wireless multi-hop concentrator is transferred to instruction according to routing table user's ammeter.The management software of electricity consumption centre management host computer can provide many value-added services according to user's demand, and these services comprise: line loss analyzing and statistics, electric weight use form, multiplexing electric abnormality analysis, power grid quality monitoring or the like.Utilize these value-added services, power consumer can be improved service quality in the operation process, reduces the loss additional income.
Wireless multi-hop concentrator and GPRS modular structure figure are respectively as Fig. 6,7, the GPRS module that adopts is the SIM300C that possesses the GSM/GPRS900/1800/00MHz function, it realizes the high-speed transfer of voice, SMS, data and facsimile message with small size and low-power consumption, they carry out programmed configurations by Asynchronous Serial Interface and the electricity consumption data information transmission is calculated and sent, the SIM300C GPRS module that matches with it also has very powerful data communication facility, add that mobile GPRS service is convenient and swift, make to have realistic possibility with its transmission data.
Utilize the GPRS global radio communication network of current perfect in shape and function and powerful GPRS communication module, the wireless multi-hop concentrator can be realized the remote transmission of electricity consumption data.The wireless multi-hop concentrator has wireless communication module and the GPRS wireless communication module of 433MHZ, wireless communication module by 433MHZ, the wireless multi-hop concentrator is responsible for the wireless multi-hop routing management of the electronic electric energy meter of all users in certain regional extent, increase or reduce the concrete allocation manager of communication node and wireless multi-hop routed path, and the instruction of control center can be transferred to each user's electronic electric energy meter; Simultaneously by the GPRS global radio communication network of current perfect in shape and function and powerful GPRS communication module, the management of power use information that the wireless multi-hop concentrator also is responsible for all users that multihop network in this zone is gathered is transmitted to control center, so that the electricity consumption situation of grasp and leading subscriber is understood by control center, because GPRS is quite ripe, stable, the GPRS module that matches with it also has very powerful data communication facility, makes to have real reliability with its transmission data.
Operation steps:
When 1, purchasing electricity, control center's computing machine writes telepilot by the sale of electricity machine with electric weight with electric weight, the LED red light that has on the telepilot of information about power can be every flicker in a second once, the user is as long as press write key with telepilot facing to oneself wireless prepaid electronic electric energy meter, and electric weight just is written in oneself electric energy meter; There is not the red light on the telepilot of electric weight to extinguish; If the user leaves behind telepilot or telepilot breaks down, control center can be transferred to electric weight in the interior wireless multi-hop concentrator in user family zone by GPRS network and wireless multi-hop network, and the wireless multi-hop concentrator is write the access customer household electrical appliances according to routing table with electric weight and can be shown.
When 2, checking meter, control center's order of will checking meter is transferred to wireless multi-hop concentrator in the user area by the GPRS module, and the wireless prepaid electronic electric energy meter of each user family in the zone given command transfer by wireless multi-hop network by the wireless multi-hop concentrator according to routing table.If the table of certain user family damages, the wireless multi-hop concentrator can in time not influence the transmission of other user profile with new routing table, the wireless multi-hop concentrator can be transferred to control center's computing machine by GPRS network with the table damage information simultaneously, even notify staff's maintenance to adjust.
3, after the wireless prepaid electronic electric energy meter of user family receives the order of checking meter, the routing table information of wireless prepaid electronic electric energy meter meeting basis oneself is transferred to the interior wireless multi-hop concentrator in zone with user's power information, the wireless multi-hop concentrator judges whether all users that confirm in the zone all gather information to the wireless multi-hop concentrator, if all user's information is all transmitted and put in place, the wireless multi-hop concentrator is given control center's computing machine by GPRS network with information transmission.If lack certain user's information, when the wireless multi-hop concentrator is met with existing information transmission to control center's computing machine, disappearance user's information also is transferred to computing machine in the lump, and computing machine sends disappearance power information user's the order that copies back according to actual conditions.
4, control center's computing machine according to the user profile of passback by upper computer analyzing software carry out line loss analyzing and statistics, electric weight uses form, multiplexing electric abnormality analysis, power grid quality monitoring.
5, the single-chip microcomputer of Cai Yonging is that texas,U.S Cygnal company releases 8 single-chip microcomputers of C8051F020 high-performance, constitutes single-chip minimum system.
Advantage of the present invention
The wireless prepaid electronic electric energy meter is based on the technology of wireless communication technique and infrared remote control, the communication of user's electronic electric energy meter and sale of electricity machine is undertaken by Infrared remote controller, avoided the communication of present IC-card formula electric energy meter contact, easy to wear and by shortcomings such as artificial damages, prolonged the operation life of system, the most important thing is to realize the airtight fully of panel box, realize having avoided the generation of electricity filching behavior from technology.The present invention is applied to the wireless multi-hop mechanics of communication in the power consuming administrative system first, and purpose is for cooperating and adapt to this development trend, the characteristics of suitable China rural electricity consumption.Strengthened the scope of application of radio meter register, avoided military non-core technology being applied in the management of power use such as problem that communication modes brought and shortcomings such as power line carrier, 485, GSM, all very convenient in application facet installation and use.
By existing GPRS network the electric power system data of industry or civilian ammeter collection is delivered to the power monitoring center based on the remote power of the GPRS network control management system of checking meter, to realize unified monitoring and distributed management to energy monitoring apparatus.GPRS network can be electric system advantages of simplicity and high efficiency communication transmission means is provided.Utilize GPRS network to make up power remote meter reading system, the wireless transmission of realization ammeter data has can make full use of conventional network resources, shortens the construction period, the advantage of reducining the construction costs.
The accuracys of design science of the present invention, reasonable, original, the dirigibility that demonstrates fully sale of electricity, convenience, easy to operate and operation etc. are the not available advantage of sale of electricity mode usually.Improved the efficient of sale of electricity, practicality is stronger, and compact overall structure, consumptive material is few, the life-span is long, with low cost, stable performance, reliable, easy to maintenance, and the suitable power department of the present invention is promoted the use of.
Description of drawings
Fig. 1 is a system architecture synoptic diagram of the present invention.
Fig. 2 is a wireless prepaid electronic electric energy meter structural representation of the present invention.
Fig. 3 is a telepilot structural representation of the present invention.
Fig. 4 is a telepilot surface structure synoptic diagram of the present invention.
Fig. 5 is a sale of electricity machine structural representation of the present invention.
Fig. 6 is a wireless multi-hop concentrator structure synoptic diagram of the present invention.
Fig. 7 is GPRS module of the present invention and host computer connection diagram.
Embodiment
A kind of prepaid electricity using control system based on wireless multi-hop network comprises electronic electric energy meter 1, sale of electricity machine 3, wireless multi-hop concentrator 7 and the host computer 4 of telepilot 2, a plurality of wireless prepaid; As shown in Figure 1, described telepilot 2 conducts with electronic electric energy meter 1 or sale of electricity machine 3 mutually by infrared ray; Interface on the casing of sale of electricity machine 3 is connected by the communication interface of data line with host computer 4, the serial line interface of host computer 4 connects by the GPRS module, this GPRS module is conducted mutually with wireless multi-hop concentrator 7, and wireless multi-hop concentrator 7 conducts with the electronic electric energy meter 1 of a plurality of wireless prepaid that have the NRF905 wireless communication module respectively mutually by wireless multi-hop network;
Telepilot 2 comprises the circuit control panel that is contained in the housing 5; As shown in Figure 3, be equiped with infrared ray on the circuit control panel and send receiving chip 17 and 8958A processor chips 10; The corresponding output terminal that infrared ray sends receiving chip 17 is connected with the two ends of red LED light emitting diode, the input end that infrared ray sends receiving chip 17 is connected by the output terminal of lead with 8958A processor chips 10, and the input end of 8958A processor chips 10 is connected with digital function button 18 on the telepilot 2;
The electronic electric energy meter 1 of wireless prepaid comprises that cased wireless communication module 8, electric energy acquisition module 13, infrared ray send receiving chip 17,8958A processor chips 10 and relay 12; As shown in Figure 2, the output terminal that described infrared ray sends receiving chip 17 is connected with 8958A processor chips 10 corresponding input end by lead, the input end of electric energy acquisition module 13 is connected with user's electric current, voltage circuit respectively, the output terminal of electric energy acquisition module 13 is by being connected with 8958A processor chips 10 corresponding input end, the corresponding input end of 8958A processor chips 10 is connected by the output terminal of SPI interface 9 with wireless communication module 8, and the output terminal of 8958A processor chips 10 is connected with the coil two ends of relay 12;
Sale of electricity machine 3 comprises that the infrared electro coupling mechanism 15, the infrared ray that are contained in the casing send receiving chip 17 and 8958A processor chips 10 as shown in Figure 5; The input end that described infrared ray sends receiving chip 17 is connected with the output terminal of infrared electro coupling mechanism 15, the output terminal that infrared ray sends receiving chip 17 is connected with 8958A processor chips 10 corresponding input end by lead, and the output terminal of 8958A processor chips 10 is connected with the serial line interface of host computer by MAX232 interface 11 and carries out communication;
Wireless multi-hop concentrator 6 comprises GPRS module 6, C8051F020 processor chips 14 and wireless communication module 8; As shown in Figure 6, the communication terminal of described GPRS module 6 and C8051F020 processor chips 14 corresponding communication terminals are connected, and C8051F020 processor chips 14 other SPI mouths are connected with the communication terminal of wireless communication module 8;
Claims (1)
1. prepaid electricity using control system based on wireless multi-hop network comprises electronic electric energy meter (1), sale of electricity machine (3), wireless multi-hop concentrator (7), the host computer (4) of telepilot (2), a plurality of wireless prepaid; It is characterized in that:
1), described telepilot (2) conducts with electronic electric energy meter (1) or sale of electricity machine (3) mutually by infrared ray; Interface on the casing of sale of electricity machine (3) is connected by the communication interface of data line with host computer (4), first serial line interface of host computer (4) connects a GPRS module (6), the one GPRS module (6) is conducted mutually with wireless multi-hop concentrator (7), and wireless multi-hop concentrator (7) conducts with the electronic electric energy meter (1) of a plurality of wireless prepaid that have the NRF905 wireless communication module respectively mutually by wireless multi-hop network;
2), above-mentioned telepilot (2) comprises the circuit control panel that is contained in the housing; Be equiped with infrared ray on the circuit control panel and send receiving chip (17) and 8958A processor chips (10); The corresponding output terminal that infrared ray sends receiving chip (17) is connected with the two ends of red LED light emitting diode (16), and the input end of 8958A processor chips (10) is connected with digital function button (18) on the telepilot (2);
3), the electronic electric energy meter of above-mentioned wireless prepaid (1) comprises that cased wireless communication module (8), electric energy acquisition module (13), infrared ray send receiving chip (17), 8958A processor chips (10) and relay (12); The output terminal that the infrared ray of described electric energy meter sends receiving chip (17) is connected with 8958A processor chips (10) corresponding input end of described electric energy meter by lead, the input end of electric energy acquisition module (13) respectively with user's electric current, voltage circuit is connected, the output terminal of electric energy acquisition module (13) is by being connected with 8958A processor chips (10) corresponding input end, the corresponding input end of 8958A processor chips (10) is connected by the output terminal of SPI interface (9) with wireless communication module (8), and the output terminal of 8958A processor chips (10) is connected with the coil two ends of relay (12);
4), above-mentioned sale of electricity machine (3) comprises that the infrared electro coupling mechanism (15), the infrared ray that are contained in the casing send receiving chip (17) and 8958A processor chips (10); The input end that described infrared ray sends receiving chip (17) is connected with the output terminal of infrared electro coupling mechanism (15), and the output terminal of 8958A processor chips (10) is connected with second serial line interface of host computer (4) by MAX232 interface (11) and carries out communication;
5), above-mentioned wireless multi-hop concentrator (7) comprises the 2nd GPRS module (6), C8051F020 processor chips (14) and wireless communication module (8); The communication terminal that the communication terminal of described the 2nd GPRS module (6) is corresponding with C8051F020 processor chips (14) is connected, and the SPI mouth of C8051F020 processor chips (14) is connected with the communication terminal of wireless communication module (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100133313A CN101364341B (en) | 2008-09-23 | 2008-09-23 | Prepaid electricity consumption control system based on wireless multi-hop network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100133313A CN101364341B (en) | 2008-09-23 | 2008-09-23 | Prepaid electricity consumption control system based on wireless multi-hop network |
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| CN101364341A CN101364341A (en) | 2009-02-11 |
| CN101364341B true CN101364341B (en) | 2011-07-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021087A (en) * | 2011-09-23 | 2013-04-03 | 沈阳理工大学 | Prepayment electricity consumption control system based on step electricity price |
| CN102682380A (en) * | 2012-05-10 | 2012-09-19 | 深圳市航天泰瑞捷电子有限公司 | Remote prepayment system |
| CN103472737B (en) * | 2012-05-21 | 2017-06-13 | 深圳市金正方科技股份有限公司 | The control method and system of a kind of power electricity sale device |
| CN103077591A (en) * | 2012-09-14 | 2013-05-01 | 重庆大学 | Countryside smart power grid remote meter reading system based on wireless sensing network |
| MX2012013688A (en) * | 2012-11-14 | 2014-05-21 | Inst De Investigaciones Electricas | System and method for measuring electrical energy with functions of pre-pay and data collection by means of an optical device. |
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