CN105702007A - WiFi technology based wireless remote meter reading module for intelligent electric meters - Google Patents
WiFi technology based wireless remote meter reading module for intelligent electric meters Download PDFInfo
- Publication number
- CN105702007A CN105702007A CN201610157524.0A CN201610157524A CN105702007A CN 105702007 A CN105702007 A CN 105702007A CN 201610157524 A CN201610157524 A CN 201610157524A CN 105702007 A CN105702007 A CN 105702007A
- Authority
- CN
- China
- Prior art keywords
- intelligent electric
- electric meters
- meter reading
- reading module
- esp8266ex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a WiFi technology based wireless remote meter reading module for intelligent electric meters. The wireless remote meter reading module comprises a core processing unit, wherein the core processing unit adopts a chip ESP8266EX, a cache memory is built in the chip ESP8266EX, and the chip ESP8266EX is also integrated with an antenna switch balun and a power supply management converter, is in wireless connection with the intelligent electric meters through a DL/T645 protocol and a Q/GDW1376.1-2012 data protocol and is provided with a data switching interface which is used for carrying out data protocol conversion. Compared with the prior art, the WiFi technology based wireless remote meter reading module for the intelligent electric meters has the advantages that the communication between the intelligent electric meters and a meter reading main station can be completed without reforming the intelligent electric meters, the packet loss rate is low, and the stability is high; as core equipment for remote meter reading and the intelligent management of the electric meters, the meter reading module plays a role in serving as bridges and links of communication between a remote host and bottom-layer electric meters, and the conversion between the DL/T645 protocol and the Q/GDW1376.1-2012 data protocol can be completed inside the module.
Description
Technical field
The invention belongs to intelligent electric meter technical field, particularly relate to a kind of intelligent electric meter wireless long-distance meter-reading module based on WiFi technology。
Background technology
In prior art, the main meter reading method of kilowatt-hour meter is: manually visits to check meter, manually adjusts, manual toll collection, and what bring is that formality is loaded down with trivial details, and statistical work amount is big, the problem such as check meter inaccurate。As: adopting original ammeter, we not only spend substantial amounts of manpower and materials at recording electric energy meter, not only uninteresting, simultaneously the also substantial amounts of resource wasting grid company, are unfavorable for making intelligence, cleaning, efficient electrical network。Along with various electrical equipment are more intelligent, standardize and the Ministry of Construction is about setting up issuing of National Residential To Intelligent Home show-how project file。Meter reading method changes to automated intelligent meter reading method just gradually。Although there is intelligent meter data recording system in certain areas, but main employing is the data dissemination in gprs system。Adopt transmission in this way and there is problems with。One is meter-copy collector and reading meter collection machine communication existing problems；Two is the network service affecting cellphone subscriber to a certain extent, has a strong impact on the stability of its system。
Intelligent electric meter is one of basic equipment of intelligent grid (particularly intelligent distribution network) data acquisition, carries the task of original electrical energy data acquiring, metering and transmission, be realize that information is integrated, basis that analysis optimization and information represent。And communication technology is just developing towards the direction of IPization, cable network based on Ethernet is covering the whole world, WiFi is more and more universal as the wireless terminal access technology of Ethernet, various mobile internet devices all using WiFi communication as communication necessary functions。WiFi communication has become the important composition mode of LAN, and increasing Wi-Fi hotspot is also being laid by telecom operators, and WiFi communication has had been provided with good basic platform environment。Simultaneously as WiFi communication employing is communication so that installing without laying special communication line of intelligent electric meter, there is significantly high installation convenience。Meeting on the basis of intelligent electric meter industry standard and technical conditions, WiFi communication is joined among the communication mode of intelligent electric meter, with satisfied high speed, real-time communication requirement。
Although having been proposed that a kind of wireless Wifi intelligence is exempted to copy ammeter at present, including intelligent electric meter, intelligent electric meter is provided with MCU processor, intelligent electric meter is provided with wireless receiving module, wireless transmitter module, adopt MCU processor that wireless receiving module, wireless transmitter module are controlled, make described intelligent electric meter realize the communication with wireless router, but this method needs to transform existing intelligent electric meter。
Summary of the invention
It is an object of the invention to provide a kind of intelligent electric meter wireless long-distance meter-reading module based on WiFi technology, with the problem solving to propose in above-mentioned background technology。
For achieving the above object, present invention employs techniques below scheme:
A kind of intelligent electric meter wireless long-distance meter-reading module based on WiFi technology, including core processing unit, described core processing unit adopts model to be the chip of ESP8266EX, described ESP8266EX built-in chip type cache memory, described ESP8266EX chip is also integrated with duplexer balun, power management transducer, described ESP8266EX chip and intelligent electric meter are by DL/T645 agreement and Q/GDW1376.1 2012 data protocol wireless connections, and described ESP8266EX chip is provided with the data switch interface for carrying out data protocol conversion。
Compared with prior art, beneficial effects of the present invention is as follows:
Due to WiFi communication employing is communication, make the module that the present invention proposes in use without laying special communication line, there is significantly high installation convenience, compared to existing technology without transforming intelligent electric meter, just completing intelligent electric meter and the communication checking meter between main website, packet loss is low, stability is high, meeting on the basis of intelligent electric meter industry standard and technical conditions, WiFi communication is joined among the communication mode of intelligent electric meter, meet high speed, real-time communication requirement。This meter-reading module act as, as the nucleus equipment of remote meter reading with ammeter intelligent management, the role as a bridge and a link that distance host communicates with bottom ammeter, just can complete the conversion between DL/T645 agreement and Q/GDW1376.1 2012 data protocol in this inside modules。The present invention has only to revise the communications protocol of bottom and can be applied on water meter, the checking meter of gas meter。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of ESP8266EX。
Fig. 2 is the flow chart of meter-reading module work。
Detailed description of the invention
Below in conjunction with embodiment, the optimal way of the present invention is described in further detail。
Schematic diagram as shown in Figure 1, a kind of intelligent electric meter wireless long-distance meter-reading module based on WiFi technology, including core processing unit, described core processing unit adopts model to be the chip of ESP8266EX, described ESP8266EX built-in chip type cache memory, described ESP8266EX chip is also integrated with duplexer balun, power management transducer, described ESP8266EX chip and intelligent electric meter are by DL/T645 agreement and Q/GDW1376.1 2012 data protocol wireless connections, described ESP8266EX chip is provided with the data switch interface for carrying out data protocol conversion。
The present invention proposes a kind of intelligent electric meter wireless long-distance meter-reading module based on WiFi technology, in use, this module is inserted on the communication interface of existing intelligent electric meter, this module is by gathering the information of intelligent electric meter, and the data collected are sent to by broadband after being processed to the server of meter reading software system by wireless router。Operationally, after meter-reading module powers on, sending heartbeat commands to ammeter immediately, namely read ammeter mailing address order, ammeter returns just data frame when there being data, and meter-reading module retransmits heartbeat commands when serial ports free time 90s, Tong Bu with ammeter serial ports to ensure；If heart beating is unsuccessful between meter-reading module and ammeter, namely ammeter returns wrong responses or without returning data, repeats this command frame after the 1S of meter-reading module interval, and same baud rate is attempted three times, until ammeter returns just data。After meter-reading module is successful with ammeter heartbeat commands communication, normal data exchange could be carried out with ammeter。
Flow chart as shown in Figure 2, upper layer communication agreement used by the present invention and underlying communication protocol represent in data encapsulation and data bit and are very different, the most basic flow process checked meter is exactly that long-range main website sends a command to meter-reading module by uplink communication, then need packet is resolved and then extract its order and object and send the order checked meter to ammeter again through the DL/T645 agreement of bottom, the data that meter-reading module is asked are sent to meter-reading module further through DL/T645 agreement after receiving order by ammeter, meter-reading module now needs frame is resolved, then the data Q/GDW1376.1 2012 needed with regard to main website carries out data encapsulation and is sent to main website again through Transmission Control Protocol。Once communication must carry out coming and going the data conversion of twice, and the present invention devises a data switching interface at this, directly invokes this interface when carrying out data protocol conversion and just can realize protocol conversion easily and fast。
The accident of breaking down is given the correct time, when meter-reading module inquire ammeter output pin EVENTOUT state be high time, start meter-reading module and read ammeter status word 040005FF order, after ammeter receives reading ammeter running status word that meter-reading module sends and responds, by EVENTOUT pin output low level, terminate this event of failure and report work, the reported event received is sent to reporting events to main website by Q/GDW1376.1 2012 agreement by meter-reading module, issued confirmation by main website and wrap meter-reading module, , after meter-reading module receives confirmation bag, stop this reported event。
Above embodiments is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined。
Claims (1)
1. the intelligent electric meter wireless long-distance meter-reading module based on WiFi technology, it is characterized in that, including core processing unit, described core processing unit adopts model to be the chip of ESP8266EX, described ESP8266EX built-in chip type cache memory, described ESP8266EX chip is also integrated with duplexer balun, power management transducer, described ESP8266EX chip and intelligent electric meter are by DL/T645 agreement and Q/GDW1376.1 2012 data protocol wireless connections, and described ESP8266EX chip is provided with the data switch interface for carrying out data protocol conversion。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157524.0A CN105702007A (en) | 2016-03-17 | 2016-03-17 | WiFi technology based wireless remote meter reading module for intelligent electric meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157524.0A CN105702007A (en) | 2016-03-17 | 2016-03-17 | WiFi technology based wireless remote meter reading module for intelligent electric meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105702007A true CN105702007A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610157524.0A Pending CN105702007A (en) | 2016-03-17 | 2016-03-17 | WiFi technology based wireless remote meter reading module for intelligent electric meters |
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| Country | Link |
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| CN (1) | CN105702007A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248349A (en) * | 2019-06-24 | 2019-09-17 | 宁波三星医疗电气股份有限公司 | Search table method, apparatus, electronic equipment and system |
| CN111366208A (en) * | 2020-03-19 | 2020-07-03 | 吴江华衍水务有限公司 | Data acquisition method based on upper and lower layer communication among platform, remote transmission equipment and water meter |
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| CN102157057A (en) * | 2011-05-09 | 2011-08-17 | 上海大学 | Wi-Fi (Wireless Fidelity)-based wireless meter reading device |
| CN102316171A (en) * | 2011-04-28 | 2012-01-11 | 东南大学 | Large-consumer remote centralized meter reading interface device of power meter |
| CN202929101U (en) * | 2012-09-14 | 2013-05-08 | 北京华鑫志和科技有限公司 | Data processing device used for electric energy meter and electric gatherer |
| CN203192202U (en) * | 2013-02-28 | 2013-09-11 | 深圳市有方科技有限公司 | Electric energy information collecting terminal |
| CN204332065U (en) * | 2015-01-14 | 2015-05-13 | 广西桂越电力科技有限公司 | A kind of Intelligent ammeter box with radio meter register function |
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2016
- 2016-03-17 CN CN201610157524.0A patent/CN105702007A/en active Pending
Patent Citations (5)
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| CN102316171A (en) * | 2011-04-28 | 2012-01-11 | 东南大学 | Large-consumer remote centralized meter reading interface device of power meter |
| CN102157057A (en) * | 2011-05-09 | 2011-08-17 | 上海大学 | Wi-Fi (Wireless Fidelity)-based wireless meter reading device |
| CN202929101U (en) * | 2012-09-14 | 2013-05-08 | 北京华鑫志和科技有限公司 | Data processing device used for electric energy meter and electric gatherer |
| CN203192202U (en) * | 2013-02-28 | 2013-09-11 | 深圳市有方科技有限公司 | Electric energy information collecting terminal |
| CN204332065U (en) * | 2015-01-14 | 2015-05-13 | 广西桂越电力科技有限公司 | A kind of Intelligent ammeter box with radio meter register function |
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| 国家电网: "《Q/GDW国家电网企业标准》", 31 December 2012 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248349A (en) * | 2019-06-24 | 2019-09-17 | 宁波三星医疗电气股份有限公司 | Search table method, apparatus, electronic equipment and system |
| CN111366208A (en) * | 2020-03-19 | 2020-07-03 | 吴江华衍水务有限公司 | Data acquisition method based on upper and lower layer communication among platform, remote transmission equipment and water meter |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guan Guan Inventor after: Zhou Nan Inventor after: Li Chao Inventor before: Guan Guan |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |