CN103366542A - Concentrator based on wifi (wireless fidelity) technologies - Google Patents
Concentrator based on wifi (wireless fidelity) technologies Download PDFInfo
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- CN103366542A CN103366542A CN2013103416279A CN201310341627A CN103366542A CN 103366542 A CN103366542 A CN 103366542A CN 2013103416279 A CN2013103416279 A CN 2013103416279A CN 201310341627 A CN201310341627 A CN 201310341627A CN 103366542 A CN103366542 A CN 103366542A
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Abstract
The invention provides a concentrator based on wifi (wireless fidelity) technologies. The concentrator comprises a microprocessor, a human-machine interaction module, a storage module, a sampling module, a positioning information processing module, a communication module, a wifi module and a power source module, wherein the human-machine interaction module, the storage module, the positioning information processing module, the sampling module, the communication module and the wifi module are respectively in data communication with the concentrator, and the power source module is used for supplying power to the concentrator. According to the concentrator, the wifi module and the positioning information processing module are adopted, so that the real-time positioning of the concentrator is realized; and a wifi network environment is utilized sufficiently, so that the concentrator can be perfectly combined with the existing wifi network environment without rebuilding or purchasing additional network facilities, the positioning is accurate, and the operating and maintaining costs are reduced.
Description
Technical field
The present invention relates to a kind of power consumer electricity consumption acquisition terminal device, relate in particular to a kind of concentrator based on the wifi technology.
Background technology
Concentrator is the key equipment in the automatic meter reading system for low-voltage customers.Development along with the epoch, functional requirement increases day by day to concentrator, especially convenience and the practicality aspect for its telemanagement and operation proposed further demand, telemanagement certainly from not positioning function, for this reason, in new concentrator state net company standard, also require to increase the content of the geography information such as concentrator place longitude and latitude, thus the also urgency of visible positioning function demand.
In electrical network kilowatt meter reading-out system of today, the automatic positioning technology of concentrator or a blank, mainly be that mark identification is carried out in the combination of manually inputting " administrative division code+terminal address " when leaning on product export in realization, but from managing the scene, the physical location of this composite marker and reality there is no to be contacted directly, because artificial error or other reasons, thereby easily occur wrongly writing, reveal and the problem such as write and bring impact on the concentrator control and management, then the robustness of whole electrical network acquisition system exerted an influence.
At present, GPS (GPS) is the most common way of obtaining the outdoor environment positional information.But, because satellite-signal easily is subject to various barriers and blocks, the environment such as weather, building is all larger on its impact, especially built-up occasion in the intensive city of groups of building, satellite-signal can be subject to serious infringement because of obstacle or environmental attenuation, if the GPS technology is applied on the concentrator, positioning function is difficult to stablize.
In addition, the GPRS location technology also is a common technology, its principle is the distance of a plurality of communication operators base station around measuring and realizes locating in conjunction with the geography information of telecomm base station, this technology is in the situation that need to can realize signal of communication is stable, and its bearing accuracy and near base station number have much relations, precision is lower generally speaking, in order to improve bearing accuracy, just need to increase input, promote the base station software and hardware of operator, for concentrator devices numerous in the electrical network, the cost cost is too large.
Summary of the invention
For solving above-mentioned defective of the prior art, the invention provides the concentrator based on the wifi technology, realized under the terrain environment of complexity, concentrator being located fast and accurately, and positional information and the data message of concentrator has been sent to main website in real time.
For solving the problems of the technologies described above, the present invention program comprises: based on the concentrator of wifi technology, it is characterized in that, comprise microprocessor, human-computer interaction module, memory module, sampling module, locating information processing module, communication module, wifi module and power module, described human-computer interaction module, memory module, locating information processing module, sampling module, communication module and wifi module realize data communication with microprocessor respectively, and described power module provides electric power supply for concentrator.
Further, described human-computer interaction module comprises display circuit, key circuit and display screen.
Further, described communication module is supported following communication pattern: RS-485 interface communication, carrier communication, micropower communication, RS-232 interface communication, GPRS communication, infrared communication, ethernet communication, USB interface communication.
Further, described wifi module is circumscribed with signal enhancing antenna.
The invention has the beneficial effects as follows: wifi module and localization process module have been adopted in this invention, realized the real-time location to concentrator, owing to taking full advantage of the wifi network environment, need not again build again or buy the extra network facilities, just can accomplish and the perfect adaptation of existing wifi network environment, not only so that registration, also reduced the cost of operation and maintenance.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Embodiment
Below in conjunction with accompanying drawing implementation of the present invention is described.
As shown in Figure 1, concentrator of the present invention comprises microprocessor, human-computer interaction module, memory module, sampling module, locating information processing module, communication module, wifi module and power module.
Described power module links to each other with other modules, and is responsible for providing working power to all modules.
Described sampling module adopts special chip to finish and surveys voltage, electric current, sampling, and sampled result is delivered to microprocessor.
Described human-computer interaction module comprises display circuit, key circuit and display screen, and the content that data show in the concentrator is checked in responsible man-machine interaction.
Described memory module is preserved backup with various data and the parameters of terminal processes and collection.
Described communication module is comprised of various information channels, wherein, downlink communication channel comprises the communication patterns such as 3 road RS-485, carrier wave, micropower, uplink communication channel comprises the communication patterns such as RS-232, GPRS, infrared, Ethernet, USB, communication module both can be copied and accepted various electric weight related datas with intelligence instrument, state's net concentrator or acquisition module and various types of communication terminal of communication function automatically by down channel, and the data communication device such as real-time, historical that also microprocessor can be sent is crossed upstream communication channels and passed main website back.
Described microprocessor adopts at a high speed 32 arm processors, is responsible for the function of data operation, and its operation result can send to as required memory module and preserve, and perhaps sends to communication module and sends.
Described wifi module adopts the Marvell88W8686 chip, being used for scanning receives the information such as the signal of WAP (AP) and signal intensity, and send to the locating information processing module, the scope and the effect that receive in order to strengthen the wifi module by signal, wifi module outer signal strengthens antenna.
Described locating information processing module is to be responsible for the module of positioning signal processing capacity specially, its function is can be under microprocessor control, regularly control wifi module autoscan and acquisition be the signal intensity of WAP (AP) on every side, and the fingerprint characteristic that the signal strength information that the wifi module is returned is treated to signal intensity is used for the location, and by data-interface this information is passed to microprocessor.
When using this concentrator, the wifi module is connected with microprocessor, the signal intensity fingerprint characteristic of AP around regularly autoscan also obtains under the microprocessor control, because concentrator is different apart from the distance of WAP, therefore the wireless signal field that is reflected in each WAP on this concentrator can be variant, microprocessor can detect the signal intensity of several WAPs that can scan, and the effective WAP fingerprint characteristic of simple screening information therefrom, through processing the positioning analysis system that is uploaded to main website by the data feedback channel of communication module, the positioning analysis system uses the signal characteristic of concentrator collection to position calculating, obtains the location estimation of concentrator.
Because the http protocol of standard is adopted in concentrator and positioning analysis system communication, not only programming is convenient, and extensibility is good, and the concentrator program function can expand as required.
In addition, positioning analysis system itself needs regularly to constantly update the location information data storehouse of known wifi WAP, if any further requirement, can represent with the form of electronic chart.Usually the WAP layout is more intensive, and the degree of accuracy of location is just higher, and this will be more prone to realize in the wireless network development more and swifter and more violent today.
Should be understood that; above-mentioned description for preferred embodiment is comparatively detailed; can not therefore think the restriction to scope of patent protection of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; do not breaking away from the scope situation that claim of the present invention protects; can also make the various deformation such as replacement, simple combination, these all fall within protection scope of the present invention, and the scope of asking for protection of the present invention should be as the criterion with claims.
Claims (4)
1. based on the concentrator of wifi technology, it is characterized in that, comprise microprocessor, human-computer interaction module, memory module, sampling module, locating information processing module, communication module, wifi module and power module, described human-computer interaction module, memory module, locating information processing module, sampling module, communication module and wifi module realize data communication with microprocessor respectively, and described power module provides electric power supply for concentrator.
2. the concentrator based on the wifi technology according to claim 1 is characterized in that, described human-computer interaction module comprises display circuit, key circuit and display screen.
3. the concentrator based on the wifi technology according to claim 1 and 2, it is characterized in that, described communication module is supported following communication pattern: RS-485 interface communication, carrier communication, micropower communication, RS-232 interface communication, GPRS communication, infrared communication, ethernet communication, USB interface communication.
4. the concentrator based on the wifi technology according to claim 3 is characterized in that, described wifi module is circumscribed with signal and strengthens antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013103416279A CN103366542A (en) | 2013-08-07 | 2013-08-07 | Concentrator based on wifi (wireless fidelity) technologies |
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| CN2013103416279A CN103366542A (en) | 2013-08-07 | 2013-08-07 | Concentrator based on wifi (wireless fidelity) technologies |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632160A (en) * | 2016-01-04 | 2016-06-01 | 国网浙江奉化市供电公司 | Electricity information acquisition system |
| CN106056886A (en) * | 2016-08-12 | 2016-10-26 | 安徽中杰信息科技有限公司 | Ammeter data acquisition system |
| CN106292753A (en) * | 2016-08-31 | 2017-01-04 | 张家港市华扬冶金机械有限公司 | A kind of underground water level monitor terminal |
| CN110009892A (en) * | 2019-05-15 | 2019-07-12 | 广东电网有限责任公司 | A kind of low-voltage collecting meter reading sand table exercise method |
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| CN202003495U (en) * | 2010-12-16 | 2011-10-05 | 福建省大宏电子开发有限公司 | Electric energy meter concentrator based on WIFI (Wireless Fidelity) |
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| CN102791025A (en) * | 2011-05-20 | 2012-11-21 | 盛乐信息技术（上海）有限公司 | Wireless fidelity (WIFI) based layered positioning system and implementing method |
| CN102915626A (en) * | 2012-09-18 | 2013-02-06 | 上海移远通信技术有限公司 | Remote meter reading system, concentrator and time service method |
| CN203520609U (en) * | 2013-08-07 | 2014-04-02 | 中电装备山东电子有限公司 | Concentrator based on wifi (wireless fidelity) technology |
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| CN101208965A (en) * | 2005-02-22 | 2008-06-25 | 探空气球无线公司 | Continuous data optimization in positioning system |
| CN101742545A (en) * | 2009-12-15 | 2010-06-16 | 中国科学院计算技术研究所 | Positioning method and system in WiFi environment |
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| CN102915626A (en) * | 2012-09-18 | 2013-02-06 | 上海移远通信技术有限公司 | Remote meter reading system, concentrator and time service method |
| CN203520609U (en) * | 2013-08-07 | 2014-04-02 | 中电装备山东电子有限公司 | Concentrator based on wifi (wireless fidelity) technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632160A (en) * | 2016-01-04 | 2016-06-01 | 国网浙江奉化市供电公司 | Electricity information acquisition system |
| CN106056886A (en) * | 2016-08-12 | 2016-10-26 | 安徽中杰信息科技有限公司 | Ammeter data acquisition system |
| CN106292753A (en) * | 2016-08-31 | 2017-01-04 | 张家港市华扬冶金机械有限公司 | A kind of underground water level monitor terminal |
| CN110009892A (en) * | 2019-05-15 | 2019-07-12 | 广东电网有限责任公司 | A kind of low-voltage collecting meter reading sand table exercise method |
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Application publication date: 20131023 |
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