CN202454053U - Carrier low-voltage concentrated electric energy meter reading system - Google Patents
Carrier low-voltage concentrated electric energy meter reading system Download PDFInfo
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- CN202454053U CN202454053U CN2011205102554U CN201120510255U CN202454053U CN 202454053 U CN202454053 U CN 202454053U CN 2011205102554 U CN2011205102554 U CN 2011205102554U CN 201120510255 U CN201120510255 U CN 201120510255U CN 202454053 U CN202454053 U CN 202454053U
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Abstract
The utility model relates to a carrier low-voltage concentrated electric meter reading system, which comprises a concentrator, a wireless carrier converter and a carrier electric energy meter, wherein the concentrator is used for transmitting a meter reading command to the wireless carrier converter through a short-distance wireless ad hoc network; the wireless carrier converter is used for transmitting the meter reading command to the carrier electric energy meter through a carrier network, and transmitting meter reading data returned by the carrier electric energy meter to the concentrator through the wireless ad hoc network; and the carrier electric energy meter is used for transmitting the meter reading data to the wireless carrier converter through the carrier network. Information conversion between the carrier network and the short-distance wireless ad hoc network can be realized, the advantages of the carrier network and the short-distance wireless ad hoc network are fully utilized, and the meter reading success rate of a low-voltage concentrated electric energy meter reading user is increased.
Description
Technical field the utility model relates to the electric power centralized meter-reading system, particularly relates to carrier wave low-voltage power centralized meter-reading system.
The present Utilities Electric Co. of background technology has popularized carrier wave low-voltage power centralized meter-reading system in an all-round way in the whole nation; This system passes through carrier acquisition device transfer copy reading 485 electric energy meters by direct copy reading carrier wave meter of concentrator or concentrator, can successfully copy and accept most of resident's ammeter.But the communication modes between concentrator and carrier wave meter, the carrier acquisition device is an electric line carrier communication; At the scene in the practical application; Because factors such as line of electric force cabling complicacy, aging circuit; Electric line carrier communication faces problems such as signal degrade condition is serious, interchannel noise is complicated and changeable, causes certain customers' ammeter to copy and accept.Especially at resident's environment such as the combination areas of city and country, much more more to exist carrier communication can't successfully copy and accept the situation of resident's ammeter.
Short-distance wireless MANET technology is applicant's a mature technology scheme, widespread use for many years in low-voltage power user automatic meter reading system.The short-distance wireless network can be avoided the shortcoming of carrier network on channel characteristic, but promotes under the situation that carrier wave low-voltage power collection copies in large tracts of land, and it is very big and cost is very high to convert original carrier wave centralized meter-reading system the workload of short-distance wireless network system into.
The technical matters that utility model content the utility model will solve is to provide a kind of carrier wave low-voltage power centralized meter-reading system that adopts wireless carrier mixed networking scheme; Can check meter for low voltage power line carrier a kind of low cost, highly reliable solution are provided, can improve the success ratio of checking meter that the low-voltage power collection is plagiarized the family.
The utility model solve the technical problem and can realize through adopting following technical scheme:
A kind of carrier wave low-voltage power centralized meter-reading system is provided, comprises
Concentrator is used for transmitting the order of checking meter to the wireless carrier converter through the short-distance wireless ad-hoc network;
The wireless carrier converter is used for the order of checking meter is sent to carrier electric energy meter through carrier network, and the meter reading data that carrier electric energy meter returns is sent to said concentrator through the short-distance wireless ad-hoc network;
Carrier electric energy meter is used for through carrier network meter reading data being sent to the wireless carrier converter.
Further; Said wireless carrier converter comprises wireless module, converter, carrier module and power supply; Two-way communication is connected said converter with carrier module with wireless module respectively, and said power supply provides power supply to said wireless module, converter and carrier module.
Further, said power supply provides single phase alternating current power supply to said wireless module, converter and carrier module.
The utility model carrier wave low-voltage power centralized meter-reading system utilizes the wireless carrier switch technology to realize the information translation between carrier network and the short-distance wireless net; Make full use of carrier network and short-distance wireless network advantages, improved the success ratio of checking meter that the low-voltage power collection is plagiarized the family.
Description of drawings
Fig. 1 is the theory diagram of the utility model carrier wave low-voltage power centralized meter-reading system;
Fig. 2 is the module diagram of wireless carrier converter in the said carrier wave low-voltage power centralized meter-reading system;
Fig. 3 is the workflow diagram of said wireless carrier converter.
Embodiment is done further to detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
As shown in Figure 1, this carrier wave low-voltage power centralized meter-reading system comprises concentrator, wireless carrier converter and carrier electric energy meter.Said concentrator down channel adopts wireless module, and up channel adopts GPRS network, and the uplink communication stipulations adopt low-voltage power user automatic meter reading system concentrator uplink communication stipulations.Wireless carrier converter wireless module, carrier module and converter, and the communication channel between the concentrator is wireless network and adopt carrier channel directly to copy to communicate by letter between the carrier wave meter.Carrier electric energy meter adopts the primary carrier communication mode constant.
This carrier wave low-voltage power centralized meter-reading system copy reading ammeter data process is following: concentrator sends the order of checking meter to its inner wireless module, and wireless module is sent to the wireless carrier converter through the wireless network order of will checking meter; After the wireless carrier converter received the order of checking meter, format conversion was carried out in the order of will checking meter of its converter, sends to carrier electric energy meter through carrier network again; The copy reading result that carrier electric energy meter returns sends it back the wireless carrier converter through carrier network; The wireless carrier converter is sent to concentrator through wireless network with the copy reading result again.
As shown in Figure 2, the wireless carrier converter comprises wireless module, converter, carrier module and power supply, and two-way communication is connected said converter with carrier module with wireless module respectively, and said power supply provides power supply to said wireless module, converter and carrier module.Its structure adopts former state net collector I type structure.Power supply adopts single phase alternating current power supply, and the wireless carrier converter inserts three-phase voltage, but only gets a wherein power supply mutually.Converter CPU uses NEC0525.By modular circuit, fabric swatch adopts the state net Q-GDW 376.2-2009 of company protocol interface to carrier module between converter CPU and the carrier module again with reference to former concentrator carrier path.Carrier signal need be supported the three-phase transmitting-receiving.Wireless module adopts applicant's wireless self-networking module; Local interface comprises an infrared interface, is used for local maintenance; One RS485 interface is used for this locality and checks meter or safeguard.Maximum 64 carrier electric energy meters of access of supporting of wireless carrier converter.
The wireless self-networking technology that wireless module adopts is to the complicated applied environment of networked centralized automatic meter-reading, creatively develops the up-to-date solution of coming out.It is based on the self-adaption wireless network of Mesh Network framework.The networking process is accomplished automatically, and the scene need not manual work parameter is set.Its working frequency range 470MHz--510MHz has the penetrability that the ZigBee active section is not had, and the point-to-point transmission distance is farther, is easy to successfully networking in the applied environment of centralized automatic meter-reading complicacy.
Important technological parameters is following:
Working frequency range: 470MHz--510MHz
Occupied bandwidth :≤200KHz
Communication speed: 19200bps
Spurious emissions limit value :-30dBm (effective value)
Data encryption: 64bit DES
Single-phase AC input: 220V (20% ~+30%).
The software design of said wireless carrier converter comprises
The wireless module interface: support wireless module downward message form, the message of the DL/T645 form that concentrator is issued can classification processing, and the order of checking meter is transmitted through carrier module; To self-defining wireless carrier converter administrative message, do handled;
Carrier module interface: support the state net Q-GDW 376.2-2009 of company protocol interface, issue carrier module after the order of checking meter is packaged; After receiving the ammeter back message using, unpack processing, the result after unpacking is forwarded to concentrator through wireless module.Software flow is as shown in Figure 3, and after the initialization of wireless carrier converter, inquiry wireless module interface data has judged whether the message of checking meter, if do not have, and treatment conversion management message then, if having, the message of then will checking meter is forwarded to carrier module; Wait for that carrier module returns meter reading data; Judging whether carrier module successfully returns meter reading data, is then to transmit returned packet to wireless module;, then do not judge whether wait timeout, if overtime; Then send and check meter soldier's message,, then continue the wait carrier module and return meter reading data if do not have overtimely to wireless module;
The collector management module: management comprises parameter access, freezing data management etc.
Successful operation is on probation at the scene for the carrier wave low-voltage power centralized meter-reading system centralized meter-reading system of employing wireless carrier mixed networking.System adopts 8 carrier wave wireless converters, gathers about 400 family resident's electric energy meters altogether, copies and accepts the real time data success ratio and reaches more than 98%, copies and accepts a day freezing data and reaches 100%.
Claims (4)
1. a carrier wave low-voltage power centralized meter-reading system comprises
Concentrator is used for transmitting the order of checking meter to the wireless carrier converter through the short-distance wireless ad-hoc network;
The wireless carrier converter is used for the order of checking meter is sent to carrier electric energy meter through carrier network, and the meter reading data that carrier electric energy meter returns is sent to said concentrator through the short-distance wireless ad-hoc network;
Carrier electric energy meter is used for through carrier network meter reading data being sent to the wireless carrier converter.
2. carrier wave low-voltage power centralized meter-reading system as claimed in claim 1; It is characterized in that: said wireless carrier converter comprises wireless module, converter, carrier module and power supply; Two-way communication is connected said converter with carrier module with wireless module respectively, and said power supply provides power supply to said wireless module, converter and carrier module.
3. carrier wave low-voltage power centralized meter-reading system as claimed in claim 2, it is characterized in that: said power supply provides single phase alternating current power supply to said wireless module, converter and carrier module.
4. carrier wave low-voltage power centralized meter-reading system as claimed in claim 2 is characterized in that: adopt Q-GDW 376.2-2009 interface between said converter and the carrier module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205102554U CN202454053U (en) | 2011-12-09 | 2011-12-09 | Carrier low-voltage concentrated electric energy meter reading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205102554U CN202454053U (en) | 2011-12-09 | 2011-12-09 | Carrier low-voltage concentrated electric energy meter reading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454053U true CN202454053U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205102554U Expired - Fee Related CN202454053U (en) | 2011-12-09 | 2011-12-09 | Carrier low-voltage concentrated electric energy meter reading system |
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| CN (1) | CN202454053U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363152A (en) * | 2014-10-31 | 2015-02-18 | 国网重庆市电力公司电力科学研究院 | Hybrid networking system for electrical power private communication network |
| CN105070018A (en) * | 2015-08-20 | 2015-11-18 | 北京工业大学 | Electric-power-communication remote data collecting system and controlling and managing method |
| CN110827528A (en) * | 2019-11-14 | 2020-02-21 | 广东电网有限责任公司 | Micro-power wireless defect elimination module and power data transmission method |
| CN110930671A (en) * | 2019-10-24 | 2020-03-27 | 国网天津静海供电有限公司 | Four-meter-in-one remote centralized meter reading system |
| CN113114306A (en) * | 2021-04-25 | 2021-07-13 | 青岛东软载波科技股份有限公司 | Broadband and narrowband communication switching device and method based on power line carrier communication |
-
2011
- 2011-12-09 CN CN2011205102554U patent/CN202454053U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363152A (en) * | 2014-10-31 | 2015-02-18 | 国网重庆市电力公司电力科学研究院 | Hybrid networking system for electrical power private communication network |
| CN105070018A (en) * | 2015-08-20 | 2015-11-18 | 北京工业大学 | Electric-power-communication remote data collecting system and controlling and managing method |
| CN110930671A (en) * | 2019-10-24 | 2020-03-27 | 国网天津静海供电有限公司 | Four-meter-in-one remote centralized meter reading system |
| CN110827528A (en) * | 2019-11-14 | 2020-02-21 | 广东电网有限责任公司 | Micro-power wireless defect elimination module and power data transmission method |
| CN113114306A (en) * | 2021-04-25 | 2021-07-13 | 青岛东软载波科技股份有限公司 | Broadband and narrowband communication switching device and method based on power line carrier communication |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Pingshan Shenzhen city of Guangdong Province Jinniu Road 518118 No. 16 Huahan science and Technology Industrial Park, No. 2 building 218A Patentee after: Shenzhen herniamesh group Limited by Share Ltd Address before: 518053 Guangdong city of Shenzhen province Nanshan District Qiaoxiang road Oriental Science Park Branch building six floor Patentee before: Shenzhen Haoningda Instrument Co., Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191028 Granted publication date: 20120926 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20211209 Granted publication date: 20120926 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20201209 |