CN105788206A - Electricity information acquisition system based on dual-mode communication and method thereof - Google Patents
Electricity information acquisition system based on dual-mode communication and method thereof Download PDFInfo
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- CN105788206A CN105788206A CN201610009552.8A CN201610009552A CN105788206A CN 105788206 A CN105788206 A CN 105788206A CN 201610009552 A CN201610009552 A CN 201610009552A CN 105788206 A CN105788206 A CN 105788206A
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention discloses an electricity information acquisition system based on dual-mode communication and a method thereof; the system includes a far-end master station, a concentrator and an intelligent electric energy meter; the far-end master station is used for acquisition and management of system electric power user electricity information through various wired or wireless communication channels, and is used for data exchange with the concentrator through a remote communication module; the concentrator is provided with a dual-mode communication module, and is used for acquiring intelligent electric energy meter data information and operation states through the dual-mode communication module, achieving local acquisition and monitoring of the electricity information, and uploading the local electric meter data information to the far-end master station through the remote communication module; the intelligent electric energy meter is provided with a dual-mode communication module and is responsible for electricity information measurement, data processing, real-time monitoring, automatic control and information exchange. The communication problem generated when a fault occurs due to single use of a micro power wireless or power line is avoided, the consumed power of a dual-mode communication chip is reduced, and the reliability of the communication is ensured.
Description
Technical field
The present invention relates to a kind of power information acquisition system based on dual mode communication and method thereof, belong to communication technique field.
Background technology
Low-voltage powerline carrier communication and micro power radio communication are all widely used in power system, each have superiority and shortcoming.Low-voltage powerline carrier communication belongs to cable communicating technology, and its channel characteristics is to be affected by factors such as power distribution network network structure, power load size, interference and noises；And wireless communication technology is subject to geographical environment, inside even from weather relatively greatly, therefore, the two channel characteristics has complementary characteristic.Power line carrier and wireless fusion Research on Communication Technology, be beneficial to power line carrier and dispose or isomery networking deployment way with wireless double-channel, optimize networking structure, expand the coverage area, and eliminates communication blind spot, improves the reliability of communication network.
Domestic existing dual mode communication technology uses major-minor pattern, namely one of which communication mode be main channel, with another communication mode for " bridge ", only replace dual mode communication module at respective nodes, application dual mode communication technology, construction technology requirement is higher, need manually to specify bridging nodes, and this will certainly improve field engineering implementation cost；Notable difference is there is in domestic existing dual mode communication MANET application scenarios with existing typical case's power information network construction form, installing carrier communication module, micropower communication module, dual mode communication module mixed communication application management difficulty under same district relatively big, this can affect equipment installation of power department, debugging, maintenance efficiency simultaneously；Although existing relevant communication products at present, each product technology scheme difference is relatively big, properties of product are very different, signal is harassed mutually, and be formed without unified power information and gather and cannot interconnect between dual mode communication technical standard, module, this will the marketing of restriction dual mode communication module.
Summary of the invention
For the deficiency that prior art exists, it is an object of the present invention to provide a kind of power information acquisition system based on dual mode communication and method thereof, according to channel quality, select best communication mode, the compatible carrier wave communication simultaneously of dual mode communication module and micro power radio communication, avoid the communication issue produced when individually adopting micro power radio module or power line module to break down, be also beneficial to reduce the power that dual-mode communication chip consumes, at utmost ensure that the reliability of communication.
To achieve these goals, the present invention realizes by the following technical solutions:
A kind of power information acquisition system based on dual mode communication of the present invention, in conjunction with the wireless two kinds of communication technologys of power line carrier and micropower, coordinates mutually, backups each other, and automatically switches, and constitutes composite communication technology, it is achieved resource and mutual supplement with each other's advantages, including
Far-end main website, realizes the collection to systematic electricity user power utilization information and management by various wired or wireless communication channels, carries out data interaction by remote communication module and concentrator；
Concentrator, is provided with dual mode communication module, is gathered intelligent electric energy meter data message and running status by dual mode communication module, it is achieved the local of power information gathers and monitoring, by remote communication module, this locality ammeter data information is uploaded to far-end main website；
And intelligent electric energy meter, be provided with dual mode communication module, be responsible for the metering of power information, data process, monitor in real time, automatically control mutual with information；
Described concentrator is communicated with far-end main website by remote communication module, working environment according to current power line, select power line carrier communication channel or micro power radio communication passage timing acquiring intelligent electric energy meter data and store this locality, data being pressed setting cycle by remote communication module transmission to far-end main website simultaneously.
Said distal ends main website includes business application module, data acquisition module, preposition communication management module, background database manager module, and described business application module realizes the various practical application of Utilities Electric Co..
The power information of the various terminal of above-mentioned data collecting module collected, preposition communication management module manages various terminal remote communication modes, and responsible protocol analysis, background database manager module realizes the storage of data and gathers the analysis of data and calculate remote communication module, it is provided that main website and the mutual link of concentrator devices information.
Above-mentioned intelligent electric energy meter is the collection to all information of user power utilization by power line carrier communication channel or micro power radio communication channel response concentrator, recalls.
Above-mentioned concentrator is provided with the communication module that power line carrier communication channel can communicate with micro power radio communication channel.
The dual mode communication module that intelligent electric energy meter is provided with is the module possessing power line carrier communication with micro power radio communication function.
The dual mode communication module that the dual mode communication module that concentrator is provided with and intelligent electric energy meter are provided with not is same module, is all power line carrier communication and micro power radio communication storing module, but contour structures and communication transmitting data differ.
The acquisition method of above-mentioned power information acquisition system, concentrator is provided with dual mode communication module, intelligent electric meter is provided with dual mode communication module, concentrator has been broken traditional single communication mode and has been communicated with intelligent electric energy meter, but adopt dual mode communication module, adopt two kinds of communication modes that pluses and minuses are complementary, seamless switching completes interactive communication, a kind of new data communication acquisition applications mode is provided for intelligent electric energy meter, realize between concentrator and intelligent electric energy meter real-time, efficient two-way communication, and then ensure collection success rate and the system reliability of far-end main station system, specifically include following step:
Step (11): described concentrator automatically wakens up data acquisition session by setting cycle, the power information collect in collection intelligent electric energy meter, stored and data message, intelligent electric energy meter passes through power line carrier or micro power radio communication transmission to the dual mode communication module of concentrator, gather in the process of data at concentrator, first determine whether the working environment of current power line, when power line environment is good, employing voltage Power Line Carrier Channel gathers, when power line environment worsens, automatically switch to micropower wireless mode collection；
Step (12): intelligent electric meter information, data message are sent to concentrator by the dual mode communication module being provided with power line carrier signal or micropower wireless signal by described intelligent electric energy meter；
Step (13): concentrator by power line carrier signal and micropower reception of wireless signals to data carry out collecting, process and storing and be uploaded to far-end main website by remote communication module.
In step (11), described concentrator is communicated with intelligent electric energy meter dual mode communication module by the dual mode communication module being provided with, gathering the user power utilization data message in intelligent electric energy meter, described user power utilization data message includes energy data, voltage data, load data, requirement data and user's power purchase related data.
In step (11), described in the dual mode communication module power line carrier communication that is provided with use high-speed digitization treatment technology, support double frequency to receive parallel, multifrequency sends, support more modulation pattern；The described dual mode communication module micro power radio communication being provided with uses micropower wireless radio-frequency, adopts multiband frequency hopping, slab data subpackage mechanism, network self-adapting, automatic relay, interference source technology.
In step (11), the determination methods of current power line working environment is as follows:
(1) main control chip of dual mode communication module judges current power line channel circumstance by power line communication situation in detecting nearest 5 minutes, when power line channel packet loss higher than 20% or signal to noise ratio less than setting value time, namely it is believed that the environment of current power line is deteriorated, then micro power radio communication mode is automatically switched to；
(2) after switching to micro power radio communication mode, the main control chip of dual mode communication module automatically detected the signal intelligence of electric lines of force every 30 minutes, detect in nearest 10 minutes, when power line channel packet loss is lower than 5%, namely it is believed that the environment of current power line has been restored to kilter, then automatically by the wireless power line carrier communication mode that is switched to of micropower, and then ensure that power line environment worsens or can be carried out stable data interaction under micropower wireless electromagnetic shielding situation.
In step (13), described concentrator is communicated by optical fiber, GPRS/CDMA/LTE, distribution line carrier and far-end main website.
Utilizing power-line carrier communication and micropower wireless communication technology communication advantage, both are mutually coordinated, automatically switch, and the dual pathways can work simultaneously, and the comprehensive utilization for data provides a kind of reliable and stable solution；Reliability of the present invention is high, implement simple, it is widely used, power-line carrier communication and micropower wireless communication technology do not affect mutually, merge mutually and be prevented effectively from two kinds of technical disadvantages, effectively play respective technical advantage, substantially increase communication success rate and the traffic rate of system front end, there is broad based growth prospect.
Accompanying drawing explanation
Fig. 1 is the power information acquisition method workflow diagram based on dual mode communication of the present invention；
Fig. 2 is the power information acquisition system schematic diagram based on dual mode communication of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with detailed description of the invention, the present invention is expanded on further.
Referring to Fig. 1, power information acquisition system far-end main website gathers electric supply meter data message, and concrete grammar step is as follows:
In step 11, in power information acquisition system, concentrator automatically wakens up data acquisition session by setting cycle,
The power information collect in main collection intelligent electric energy meter, stored and data message, intelligent electric energy meter passes through power line carrier or micro power radio communication transmission to the dual mode communication module of concentrator.Gather in the process of data at concentrator, first determine whether the working environment of current power line, when power line environment is good, adopts voltage Power Line Carrier Channel collection, when power line environment worsens, automatically switch to micropower wireless mode collection；
Concentrator is by bandwidth carrier or micropower is wireless and communicates between intelligent electric energy meter, gathering the user power utilization data message in intelligent electric energy meter, data message should include: energy data, voltage data, load data, requirement data and user's power purchase related data.
By existing intelligent electric energy meter single carrier wave communication module or single micropower module, being replaced by dual mode communication module, it supports that power line carrier and micro power radio communication work simultaneously.
In collecting device work process, dual mode communication module main control chip controls electric power line carrier chip and micropower wireless chip simultaneously, automatic routing management function can be realized, in the good situation of power line environment, main employing power line carrier is checked meter, when power line environment deterioration or particular/special requirement, automatically switch to wireless mode and check meter.
Power information collecting device is arranged in table case according to practical situation, building or building unit, may be mounted at the place of three-phase line, the place of uniline can also be arranged on, by power line carrier or micro power radio communication network, the electric supply meter belonged under unified platform district is carried out data acquisition.Owing to, in power line carrier with micropower converged wireless network, low voltage power line carrier uses high-speed digitization treatment technology, support double frequency receives parallel, multifrequency sends, support more modulation pattern.Wireless use micropower wireless radio-frequency, adopt the multiple technologies such as multiband frequency hopping, slab data subpackage mechanism, network self-adapting, automatic relay, interference source, many algorithms combines and optimizes network design scheme, to realizing all standing of network, and can ensure that the stability of short-distance wireless communication.
In step 12, table is counted information by dual mode communication module with carrier channel or micropower wireless channel and is sent to described concentrator by Intelligent electric electric energy meter.Combined selection then optimum communications channel is as communication media and penetrates table case, building structure, described building structure such as building wall.
Become at platform, public change place, building underground distribution room or other suitable information Rendezvous Points install concentrator, and public change place refers to the ammeter facility being directly responsible for by power department, are placed in electric meter box by concentrator vacant epi-position or correct position.The general working environment of concentrator requires: standard operating temperature is-25 DEG C～55 DEG C, and relative humidity is 5%～95%, therefore the place meeting this condition is regarded as the information taken point that is suitable for.
In another embodiment of the invention, also including the operation being uploaded to far-end main website, namely in step 13, power line carrier signal, micropower wireless signal are collected, process, store and are uploaded to far-end main website by concentrator.Concentrator is by TD-SCDMA dedicated channel or power optical fiber private network and master station communication.
Referring to Fig. 2, the acquisition system of the present invention includes intelligent electric energy meter, concentrator, far-end main website.
Communication mode is adopted to include the communication modes such as GPRS, EPON, TD-LTE230 wireless private network between concentrator and main website.
Concentrator and intelligent electric energy meter local communication are communicated by dual mode communication module compatible carrier wave or the communication mode of micro power radio communication, two kinds of communication modes can work simultaneously, it is independent of each other, concentrator selects best communication mode according to communication quality, it is ensured that local power consumer electricity consumption Data Data is copied and accepted and stored.
The present invention proposes the dual mode communication data collecting system that a kind of micro power radio communication combines with power line carrier communication.For the feature of intelligent electric energy meter data collecting system communication link in power information acquisition system, take micro power radio communication and power line carrier communication dual mode communication technology, to avoid Communication Jamming and the communication barrier, and short-distance transmission may insure that the stability of micro power radio communication network；The compatible employing power line carrier of communication between intelligent electric energy meter and concentrator and micro power radio communication dual mode communication technology.
The present invention can fully meet the power information acquisition system data reading system to intelligent electric energy meter, and comprehensively examine the in-site installation environment of various intelligent electric energy meter, have the advantages that data information transfer speed is high, collection period is short, highly reliable, engineering construction difficulty is little, practicality is good.
Internet networking flow process
Concentrator communication unit starts broadcast and searches table order, ammeter communication unit carries out replying concentrator order according to time slot, concentrator is automatically performed the renewal of local intelligent electric energy meter archives after receiving order, check meter order according to setting cycle start by set date of checking meter simultaneously, copy and accept and store electric energy meter data.In concentrator work process, dual mode communication module main control chip controls electric power line carrier chip and micropower wireless chip simultaneously, automatic routing management function can be realized, in the good situation of power line environment, main employing power line carrier is checked meter, when power line environment deterioration or particular/special requirement, automatically switch to micropower radio meter register, specifically include two processes:
1) main control chip judges current power line channel circumstance by power line communication situation in detecting nearest 5 minutes, when power line channel packet loss higher than 20% or signal to noise ratio less than setting value time, namely it is believed that the environment of current power line is deteriorated, and micro power radio communication mode is automatically switched to；
2) after switching to micro power radio communication mode, main control chip automatically detected the signal intelligence of electric lines of force every 30 minutes, detect in nearest 10 minutes, when power line channel packet loss is lower than 5%, namely it is believed that the environment of current power line has been restored to kilter, and automatically by the wireless power line carrier communication mode that is switched to of micropower, and then ensure that power line environment worsens or can be carried out stable data interaction under micropower wireless electromagnetic shielding situation.
The dual mode communication module that concentrator is provided with, according to the wireless networking situation of power line carrier and inactivity, forms the routing table of a mixing.The route of local communication can micropower wireless routing and carrier path by between switching at runtime, the communication quality according to contrast power line carrier and micro power radio communication, communication mode that option and installment is best and ammeter interactive communication.
Intelligent electric energy meter and power information collecting device dual mode communication technological incorporation power line carrier and micropower wireless communication technology, it is applied to power information and gathers field, the advantage simultaneously utilizing two kinds of technology, the shortcoming of mutual two kinds of technology of customer service, it is achieved best local communication technology；Meet for except supporting electrical information centralized procurement repertoire except possessing, information can also be carried out mutual by power line carrier or micro power radio communication mode and intelligent electric energy meter, achieve user mutual with the information of power supply department, thoroughly change the present situation of flow of power and flow of information one-way flow, to improving user's using electricity wisely, the consumption habit guiding user good has active influence.
The dual mode communication that intelligent electric energy meter and power information collecting device dual mode communication technological incorporation power line carrier communicate with micropower, channel quality is detected according to channel detection unit, best communication mode is selected according to communication channel quality is intelligentized, the compatible carrier wave communication simultaneously of dual mode communication module and micro power radio communication, avoid the communication issue produced when individually adopting micro power radio module or individually adopt power line module to break down, it is also beneficial to reduce the power that dual-mode communication chip consumes, at utmost ensure that the reliability of communication.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (10)
1. the power information acquisition system based on dual mode communication, it is characterised in that: include
Far-end main website, realizes the collection to systematic electricity user power utilization information and management by various wired or wireless communication channels, carries out data interaction by remote communication module and concentrator；
Concentrator, is provided with dual mode communication module, is gathered intelligent electric energy meter data message and running status by dual mode communication module, it is achieved the local of power information gathers and monitoring, by remote communication module, this locality ammeter data information is uploaded to far-end main website；
And intelligent electric energy meter, be provided with dual mode communication module, be responsible for the metering of power information, data process, monitor in real time, automatically control mutual with information；
Described concentrator is communicated with far-end main website by remote communication module, working environment according to current power line, select power line carrier communication channel or micro power radio communication passage timing acquiring intelligent electric energy meter data and store this locality, data being pressed setting cycle by remote communication module transmission to far-end main website simultaneously.
2. according to claim 1 based on the power information acquisition system of dual mode communication, it is characterized in that: described far-end main website includes business application module, data acquisition module, preposition communication management module, background database manager module, described business application module realizes the various practical application of Utilities Electric Co..
3. according to claim 2 based on the power information acquisition system of dual mode communication, it is characterised in that: the power information of the various terminal of described data collecting module collected, preposition communication management module manages various terminal remote communication modes responsible protocol analysis；Background database manager module realizes the storage of data and gathers analysis and the calculating of data；Remote communication module, it is provided that main website and the mutual link of concentrator devices information.
4. according to claim 1 based on the power information acquisition system of dual mode communication, it is characterized in that: described intelligent electric energy meter is the collection to all information of user power utilization by power line carrier communication channel or micro power radio communication channel response concentrator, recalls.
5. according to claim 1 based on the power information acquisition system of dual mode communication, it is characterised in that: described concentrator is provided with the communication module that power line carrier communication channel can communicate with micro power radio communication channel.
6. the acquisition method of power information acquisition system according to claim 1, it is characterised in that: specifically include following step:
Step (11): described concentrator automatically wakens up data acquisition session by setting cycle, the power information collect in collection intelligent electric energy meter, stored and data message, intelligent electric energy meter passes through power line carrier or micro power radio communication transmission to the dual mode communication module of concentrator, gather in the process of data at concentrator, first determine whether the working environment of current power line, when power line environment is good, employing voltage Power Line Carrier Channel gathers, when power line environment worsens, automatically switch to micropower wireless mode collection；
Step (12): intelligent electric meter information, data message are sent to concentrator by the dual mode communication module being provided with power line carrier signal or micropower wireless signal by described intelligent electric energy meter；
Step (13): concentrator by power line carrier signal and micropower reception of wireless signals to data carry out collecting, process and storing and be uploaded to far-end main website by remote communication module.
7. the acquisition method of power information acquisition system according to claim 6, it is characterized in that: in step (11), described concentrator is communicated with intelligent electric energy meter dual mode communication module by the dual mode communication module being provided with, gathering the user power utilization data message in intelligent electric energy meter, described user power utilization data message includes energy data, voltage data, load data, requirement data and user's power purchase related data.
8. the acquisition method of power information acquisition system according to claim 7, it is characterized in that: in step (11), the described dual mode communication module power line carrier communication being provided with uses high-speed digitization treatment technology, and support double frequency receives parallel, multifrequency sends, support more modulation pattern；The described dual mode communication module micro power radio communication being provided with uses micropower wireless radio-frequency, adopts multiband frequency hopping, slab data subpackage mechanism, network self-adapting, automatic relay, interference source technology.
9. the acquisition method of power information acquisition system according to claim 6, it is characterised in that: in step (11), the determination methods of current power line working environment is as follows:
(1) main control chip of dual mode communication module judges current power line channel circumstance by power line communication situation in detecting nearest 5 minutes, when power line channel packet loss higher than 20% or signal to noise ratio less than setting value time, namely it is believed that the environment of current power line is deteriorated, then micro power radio communication mode is automatically switched to；
(2) after switching to micro power radio communication mode, the main control chip of dual mode communication module automatically detected the signal intelligence of electric lines of force every 30 minutes, detect in nearest 10 minutes, when power line channel packet loss is lower than 5%, namely it is believed that the environment of current power line has been restored to kilter, then automatically by the wireless power line carrier communication mode that is switched to of micropower, and then ensure that power line environment worsens or can be carried out stable data interaction under micropower wireless electromagnetic shielding situation.
10. the acquisition method of power information acquisition system according to claim 6, it is characterised in that: in step (13), described concentrator is communicated by optical fiber, GPRS/CDMA/LTE, distribution line carrier and far-end main website.
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