CN205959385U - Multimode communication module and corresponding power line carrier system of checking meter - Google Patents
Multimode communication module and corresponding power line carrier system of checking meter Download PDFInfo
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- CN205959385U CN205959385U CN201620389973.3U CN201620389973U CN205959385U CN 205959385 U CN205959385 U CN 205959385U CN 201620389973 U CN201620389973 U CN 201620389973U CN 205959385 U CN205959385 U CN 205959385U
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Abstract
The utility model discloses a multimode communication module also discloses the power line carrier system of checking meter that adopts this multimode communication module simultaneously. This multimode communication module includes carrier communication unit, main control unit and radio communication unit, wherein, the main control unit is connected respectively to carrier communication unit and radio communication unit, and collector or concentrator in main control unit and the power line carrier system of checking meter carry out the data interaction. Utilizing this multimode communication module, can realizing radio communication and carrier communication's dual -mode communication mode, increased substantially the reading success rate of electric energy meter on the one hand, on the other hand also makes the coverage maximize of the power line carrier system of checking meter, has guaranteed simultaneously also can gather the electric energy measurementdata under the condition of power line carrier appearance " isolated island " problem.
Description
Technical field
This utility model is related to a kind of multi-mode communication module, also relates to the power carrier using this multi-mode communication module
Kilowatt meter reading-out system, belongs to intelligent power grid technology field.
Background technology
Electric power carrier communication technology, through years development, has tentatively reached available degree, but in communication stability and reality
Very big room for promotion is also had on when property.Because the complexity of supply network structure, circuit high frequency signal attenuation are serious, particularly
The randomness of the various interference of electrical network and irregularities, add the distribution capacity of electric power networks, distributed inductance, load characteristic, load
Resistance value, noise etc. are all dynamic rather than constant, and electric power carrier communication technology has some limitations, for example often
" isolated island " problem occurring is than more prominent.So-called " isolated island " refers to that the carrier line in specific region has certain doing
Disturb, lead to carrier communication cannot be normally carried out.
In recent years, with the development of wireless communication technology, using wireless networking communications mode, its advantage is clearly
's.Cordless communication network is unrelated with power utilization environment, and network is relatively reliable and stable, and in network, single node breaks down and do not interfere with
The proper communication of other nodes.Therefore, if wireless communication technology is be combined with each other with electric power carrier communication technology, with each other as
The standby communication channel of other side, then can be by other communication channels, using power line carrier, PLC when " isolated island " problem
Proceed to communicate with the mode of radio communication seamless switching, then " isolated island " that occur in existing electric power carrier communication technology asks
Topic will obtain effectively solving.
For example, in the Chinese patent application of Application No. 201210339732.4, disclose a kind of power line carrier and
Wireless dual-channel network communication module, can pass through the power line channel and wireless channel transmitting-receiving voltage through modulation /demodulation simultaneously
Signal, significantly improves communication reliability and real-time.Special in the Chinese utility model of Patent No. ZL 201220336407.8
In profit, disclose a kind of carrier wave wireless bimodulus module based on carrier wave system, overcome power circuit carrier signal
Transmitted noise spectrum complex leads to communication stability and the poor defect of real-time, so that the motility of whole network and reliability is obtained
To lifting.But, prior art yet suffers from some defects at aspects such as failover and checks meter it is impossible to fully meet power carrier
The practical requirement of system.
Content of the invention
Primary technical problem to be solved in the utility model is to provide a kind of multi-mode communication module.
Another technical problem to be solved in the utility model is to provide a kind of electricity using above-mentioned multi-mode communication module
Power carrier meter reading system.
For achieving the above object, this utility model adopts following technical schemes:
A kind of multi-mode communication module, including carrier communication unit, main control unit and wireless communication unit;Wherein,
Described carrier communication unit and described wireless communication unit connect described main control unit respectively, described main control unit with
Outside harvester or concentrator carry out data interaction.
Wherein more preferably, described carrier communication unit includes the first single-chip microcomputer, carrier communication chip, carrier wave transmission amplification electricity
Road, carrier wave wave reception filtering circuit and carrier wave termination power;Wherein, described first single-chip microcomputer one side and described carrier communication chip
Connect, on the other hand send amplifying circuit with described carrier wave respectively, described carrier wave wave reception filtering circuit is connected, described carrier wave sends
Amplifying circuit, described carrier wave wave reception filtering circuit are connected with described carrier wave termination power respectively.
Wherein more preferably, described carrier communication chip is TCC082C chip.
Wherein more preferably, described wireless communication unit includes wireless communication chips, second singlechip and peripheral circuit;Its
In, described second singlechip one side connects described wireless communication chips, on the other hand connects described peripheral circuit.
Wherein more preferably, described wireless communication chips are nRF903 chip.
A kind of Meter Reading System in Power Line Carrier Wave, including main website, harvester, concentrator and electric energy meter, also includes above-mentioned multimode
Communication module, described multi-mode communication module carries out data interaction with described harvester or described concentrator.
Wherein more preferably, install in a concentrator, each resident's counter box on each desk-top transformator side and install
One harvester, described harvester gathers the electric energy measurement data of each electric energy meter by serial communication bus, by described multimode
Communication module transfers data to described concentrator, and described concentrator passes through remote channel by the electric energy measurement data of each electric energy meter
It is sent to described main website.
Wherein more preferably, adopt the dual mode communication of radio communication and carrier communication between described concentrator and described harvester
Mode.
Using multi-mode communication module provided by the utility model, it is possible to achieve the bimodulus of radio communication and carrier communication leads to
Letter mode.Two kinds of communication channels are encapsulated in a module dual mode communication mode, only need once mounting to can achieve that bimodulus leads to
Letter, electric energy meter is greatly improved in the case that two kinds of communication modes combine copies and accepts success rate.Two kinds of communication mode phases
Maximize in conjunction with the coverage also making Meter Reading System in Power Line Carrier Wave, ensure that, in power carrier, " isolated island " problem occurs simultaneously
In the case of also can collect electric energy measurement data.The technical solution of the utility model also have construction simple, easy to maintenance,
The advantages of plug and play.
Brief description
Fig. 1 is the overall structure diagram of multi-mode communication module provided by the utility model;
Fig. 2 is the schematic diagram of 4 kinds of communication modes between concentrator and harvester;
Fig. 3 is the schematic diagram of carrier wave wireless mixed networking model in this Meter Reading System in Power Line Carrier Wave;
Fig. 4 is the embodiment schematic diagram realizing above-mentioned carrier wave wireless mixed networking model;
Fig. 5 is the networking schematic diagram with harvester for the concentrator solving " isolated island " problem.
Specific embodiment
With specific embodiment, detailed description is launched to technology contents of the present utility model below in conjunction with the accompanying drawings.
As shown in figure 1, multi-mode communication module provided by the utility model includes carrier communication unit, main control unit and nothing
Line communication unit;Wherein, carrier communication unit and wireless communication unit connect main control unit respectively, and this main control unit is by microprocessor
Device or chip microcontroller, can carry out data interaction with outside harvester (or concentrator).
Carrier communication unit includes the first single-chip microcomputer, carrier communication chip, carrier wave sends amplifying circuit, carrier wave accepts filter
Circuit and carrier wave termination power.Wherein, the first single-chip microcomputer one side is connected with carrier communication chip, on the other hand respectively with carrier wave
Send amplifying circuit, carrier wave wave reception filtering circuit connect, carrier wave send amplifying circuit, carrier wave wave reception filtering circuit respectively with carrier wave
Termination power connects.In an embodiment of the present utility model, this carrier communication chip can adopt TCC082C chip, the
One single-chip microcomputer can be using 8051 instructions compatible high speed microprocessor such as PL3105, PL2101 etc..Specifically the setting of other circuit
Meter is the routine techniquess means of those skilled in the art, and for example Zhong Yingyi is in paper《The peripheral circuit of power line carrier communication sets
Meter》(it is published in《Electronics technology》O. 11th in 2012) in, describe the peripheral dedicated circuits of power line carrier communication in detail, bag
Include transmitter driving circuit, be coupled to receive circuit etc., here does not just specifically illustrate.
Wireless communication unit includes wireless communication chips, second singlechip and peripheral circuit.Wherein, second singlechip one side
Face connects this wireless communication chips, on the other hand connects peripheral circuit.In an embodiment of the present utility model, the second monolithic
Machine can also be adopted using 8051 instructions compatible high speed microprocessor such as PL3105, PL2101 etc., wireless communication chips
NRF903 chip etc., peripheral circuit mainly includes wireless receiving and dispatching antenna etc..
In this utility model, main control unit passes through the first single-chip microcomputer and second singlechip respectively, controls carrier communication core
Piece and wireless communication chips realize the switching of communication channel.When outside harvester is divided by resistance pressure-dividing network and vent diverter
Other voltage signal and current signal are sampled after, deliver to electric energy computation chip, to the signal collecting in electric energy computation chip
After being processed, it is reduced to digital signal, the main control unit of incoming multi-mode communication module.Main control unit is first by digital signal
Carrier communication chip is sent to by the first single-chip microcomputer of carrier communication unit.If carrier communication unit is working properly, pass through
Digital signal modulated is carrier wave answer signal by carrier communication chip, and introduces corresponding spreading code, that is, after carrying out spread processing
Carrier wave is sent to by the first single-chip microcomputer and sends amplifying circuit, carrier wave termination power, and feed-in electric power line passage, complete electric energy meter
The collection of information and transmission;If carrier communication cell operation is abnormal, digital signal is passed through wireless communication unit by main control unit
The incoming wireless communication chips of second singlechip, wireless communication chips convert digital signals into wireless communication signals, by with
Wireless communication signals are reported to by the peripheral circuit (i.e. wireless receiving and dispatching antenna) that second singlechip connects via cordless communication network
Main website, completes collection and the transmission of electric energy meter information.
Using above-mentioned multi-mode communication module, this utility model further provides a kind of Meter Reading System in Power Line Carrier Wave.Should
Meter Reading System in Power Line Carrier Wave, centered on desk-top transformator, installs a concentrator on each desk-top transformator side, each residence
One harvester is installed in people's counter box.Harvester gathers the electric energy metrical number of electric energy meter by RS-485 serial communication bus
According to being transferred data to by multi-mode communication module provided by the utility model (carrier communication and radio communication work) simultaneously
Concentrator, then concentrator the electric energy measurement data of each electric energy meter is sent to by main website by remote channels such as GPRS, 3G/4G.
In an embodiment of the present utility model, multi-mode communication module may be mounted at concentrator downlink communication module
Position, is responsible for carrying out wireless communication network and carrier communication networking, and collects the mixing road for radio communication and carrier communication
By required relevant information.This concentrator may be mounted at the place at three-phase line place it is also possible to be arranged on uniline institute
Place.The electric energy of a three-phase when being arranged on three-phase line, as the transmitter of platform area information, otherwise, can be needed
Table node, for sending station area information.
Multi-mode communication module provided by the utility model is as the bridge carrying out data interaction between concentrator and harvester
Beam, when being communicated among each other, can be combined into as shown in Figure 24 kind communication mode (4 channel path), i.e. carrier wave
Send, carrier wave is replied, wireless transmission, wireless reply, carrier wave sends, wireless reply and wireless transmission, carrier wave are replied.Carrying out group
During net, main control unit can carry out Automatic Optimal and memory to 4 channel paths.In data acquisition, every time all can be by
Fast shortcut realizes data interaction with a kind of channel path, and reliability, stability and the agility of communication have been effectively ensured.
This utility model be with carrier communication based on, radio communication carry out building network for bridge, radio communication is as " bridge joint "
Passage, reduces the requirement to use environment.So that the motility of whole network, reliability obtain after incorporating respective advantage
Arrive lifting, to the environment that there is carrier wave " isolated island ", only need to select 2 to 3 points, by carrier only communication module of the prior art
It is replaced by multi-mode communication module provided by the utility model, you can complete the establishment of dual-mode network.
Fig. 3 is the signal of carrier wave wireless mixed networking model in Meter Reading System in Power Line Carrier Wave provided by the utility model
Figure.In this carrier wave wireless mixed networking model, by above-mentioned multi-mode communication module component carrier wireless double mode node, each other
Using communication.And between carrier wave wireless bimodulus node and other Carrier Node, still adopt traditional carrier wave to lead to
Letter mode.
Fig. 4 is a specific embodiment realizing above-mentioned carrier wave wireless mixed networking model.In this embodiment, concentrator
The dual mode communication mode of radio communication and carrier communication is adopted and each harvester between, and can be as needed between each harvester
Form some wireless sub networks, such as wireless sub network -1, wireless sub network -2 etc..In the prior art, low pressure carrier wave channel is easily subject to
Electric network impedance change, noise, harmonic wave etc. affect, and success rate of checking meter is relatively low.Carrier wave provided by the utility model is mutually tied with wirelessly
The dual mode communication mode closed based on carrier wave, wireless supplemented by, both coordinate mutually, automatically switch, and constitute the solution of dual communication channel
Certainly scheme, overcomes carrier communication and the respective defect of radio communication, greatly improves checking meter into of Meter Reading System in Power Line Carrier Wave
Power.
On the other hand, the feature that do not affected by power grid quality using radio communication simultaneously combines its Spatial characteristic, can pass through
Wireless channel forwards the harvester on another power phase, increases its relay route, thus solving generally existing in prior art
" isolated island " problem.Fig. 5 is the networking schematic diagram with harvester for the concentrator solving " isolated island " problem.When harvester or concentrator
Carrier line when communication abnormality or fault occur, corresponding communication mode is switched to channel radio by multi-mode communication module automatically
Letter, do not affect accuracy and the real-time of data acquisition, substantially increase Meter Reading System in Power Line Carrier Wave communication stability and can
By property.
In sum, two kinds of communication channels are encapsulated in a module dual mode communication mode, only need once mounting
Realize dual mode communication, electric energy meter is greatly improved in the case that two kinds of communication modes combine copies and accepts success rate.Two kinds
Communication mode combines and so that the coverage of Meter Reading System in Power Line Carrier Wave is maximized, and ensure that simultaneously and occurs in power carrier
Also electric energy measurement data can be collected in the case of " isolated island " problem.The technical solution of the utility model also has construction letter
The advantages of single, easy to maintenance, plug and play.
With the expansion of the big transformation of electrical network in the whole country, how to solve increasingly huge supply network automated management and ask
Topic is extremely urgent.Transmit electricity consumption data using electric power carrier communication technology, realize timely and effective collection and count, improve
Power system to power supply quality monitoring capacity and management level, is one of preferred plan of generally acknowledging both at home and abroad at present.Low-voltage power
Line, as being distributed a kind of most commonly used communication network medium, has made full use of this using technology provided by the utility model
Ready-made medium, makes Meter Reading System in Power Line Carrier Wave reach practical degree, produced economic benefit and social benefit are aobvious
And be clear to.
Above multi-mode communication module provided by the utility model and corresponding Meter Reading System in Power Line Carrier Wave are carried out in detail
Thin explanation.For one of ordinary skill in the art, to its institute on the premise of without departing substantially from this utility model connotation
Any obvious change done, all will constitute to this utility model infringement of patent right, will undertake corresponding legal responsibility.
Claims (8)
1. a kind of multi-mode communication module is it is characterised in that include carrier communication unit, main control unit and wireless communication unit;Its
In,
Described carrier communication unit and described wireless communication unit connect described main control unit, described main control unit and outside respectively
Harvester or concentrator carry out data interaction;
Described main control unit controls described carrier communication unit and described wireless communication unit respectively, in described carrier communication unit
Carrier communication mode is adopted, described carrier communication cell operation switches to communication when abnormal when working properly.
2. multi-mode communication module as claimed in claim 1 it is characterised in that:
Described carrier communication unit includes the first single-chip microcomputer, carrier communication chip, carrier wave sends amplifying circuit, carrier wave accepts filter
Circuit and carrier wave termination power;Wherein, described first single-chip microcomputer one side is connected with described carrier communication chip, on the other hand divides
Do not send amplifying circuit with described carrier wave, described carrier wave wave reception filtering circuit is connected, described carrier wave sends amplifying circuit, described load
Ripple wave reception filtering circuit is connected with described carrier wave termination power respectively.
3. multi-mode communication module as claimed in claim 2 it is characterised in that:
Described carrier communication chip is TCC082C chip.
4. multi-mode communication module as claimed in claim 1 it is characterised in that:
Described wireless communication unit includes wireless communication chips, second singlechip and peripheral circuit;Wherein, described second singlechip
On the one hand connect described wireless communication chips, on the other hand connect described peripheral circuit.
5. multi-mode communication module as claimed in claim 4 it is characterised in that:
Described wireless communication chips are nRF903 chip.
6. a kind of Meter Reading System in Power Line Carrier Wave, including main website, harvester, concentrator and electric energy meter it is characterised in that also including weighing
Profit requires the multi-mode communication module described in any one in 1~5, described multi-mode communication module and described harvester or described concentration
Device carries out data interaction.
7. Meter Reading System in Power Line Carrier Wave as claimed in claim 6 it is characterised in that:
Install on each desk-top transformator side and a harvester is installed in a concentrator, each resident's counter box, described
Harvester gathers the electric energy measurement data of each electric energy meter by serial communication bus, is passed data by described multi-mode communication module
Give described concentrator, the electric energy measurement data of each electric energy meter is sent to described main website by remote channel by described concentrator.
8. Meter Reading System in Power Line Carrier Wave as claimed in claims 6 or 7 it is characterised in that:
The dual mode communication mode of radio communication and carrier communication is adopted between described concentrator and described harvester.
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Cited By (12)
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CN108646071A (en) * | 2018-07-03 | 2018-10-12 | 青岛东软载波科技股份有限公司 | A kind of novel modularized intelligent electric energy meter |
CN109035741A (en) * | 2018-08-14 | 2018-12-18 | 国网辽宁省电力有限公司铁岭供电公司 | Bimodulus electric energy meter communication system and method |
CN109308797A (en) * | 2018-10-30 | 2019-02-05 | 国网北京市电力公司 | Data transmission system and method |
CN110060456A (en) * | 2019-03-27 | 2019-07-26 | 山东德源电力科技有限公司 | Based on wireless and high speed carrier data transmission method, device and related system |
CN110570638A (en) * | 2018-07-23 | 2019-12-13 | 安徽博辰电力科技有限公司 | method for solving mobile signal coverage blind area based on power line high-speed carrier communication technology |
CN111225414A (en) * | 2018-11-26 | 2020-06-02 | 中兴通讯股份有限公司 | Multimode communication device, communication method thereof and multimode communication system |
CN111583614A (en) * | 2020-04-30 | 2020-08-25 | 广东电网有限责任公司 | LoRa and carrier wave dual-mode built-in communication module suitable for electric energy meter |
CN113192313A (en) * | 2021-04-30 | 2021-07-30 | 国家电网有限公司 | Information acquisition system for electric power metering |
CN113852396A (en) * | 2021-10-08 | 2021-12-28 | 珠海格力电器股份有限公司 | Data protection control method, device and system |
CN115276717A (en) * | 2022-07-28 | 2022-11-01 | 贵州电网有限责任公司 | Multimode power communication method and module |
CN115276718A (en) * | 2022-07-31 | 2022-11-01 | 贵州电网有限责任公司 | Multimode single-network power communication system and communication method thereof |
CN115664464A (en) * | 2022-08-19 | 2023-01-31 | 苏州岷亚电子科技有限公司 | Broadband power line carrier (HPLC) and RF dual-mode communication system |
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Cited By (15)
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CN108646071A (en) * | 2018-07-03 | 2018-10-12 | 青岛东软载波科技股份有限公司 | A kind of novel modularized intelligent electric energy meter |
CN110570638A (en) * | 2018-07-23 | 2019-12-13 | 安徽博辰电力科技有限公司 | method for solving mobile signal coverage blind area based on power line high-speed carrier communication technology |
CN109035741A (en) * | 2018-08-14 | 2018-12-18 | 国网辽宁省电力有限公司铁岭供电公司 | Bimodulus electric energy meter communication system and method |
CN109308797A (en) * | 2018-10-30 | 2019-02-05 | 国网北京市电力公司 | Data transmission system and method |
CN111225414B (en) * | 2018-11-26 | 2023-09-08 | 中兴通讯股份有限公司 | Multimode communication device, communication method thereof and multimode communication system |
CN111225414A (en) * | 2018-11-26 | 2020-06-02 | 中兴通讯股份有限公司 | Multimode communication device, communication method thereof and multimode communication system |
CN110060456A (en) * | 2019-03-27 | 2019-07-26 | 山东德源电力科技有限公司 | Based on wireless and high speed carrier data transmission method, device and related system |
CN111583614A (en) * | 2020-04-30 | 2020-08-25 | 广东电网有限责任公司 | LoRa and carrier wave dual-mode built-in communication module suitable for electric energy meter |
CN113192313B (en) * | 2021-04-30 | 2022-06-24 | 国家电网有限公司 | Information acquisition system for electric power metering |
CN113192313A (en) * | 2021-04-30 | 2021-07-30 | 国家电网有限公司 | Information acquisition system for electric power metering |
CN113852396A (en) * | 2021-10-08 | 2021-12-28 | 珠海格力电器股份有限公司 | Data protection control method, device and system |
CN115276717A (en) * | 2022-07-28 | 2022-11-01 | 贵州电网有限责任公司 | Multimode power communication method and module |
CN115276718A (en) * | 2022-07-31 | 2022-11-01 | 贵州电网有限责任公司 | Multimode single-network power communication system and communication method thereof |
CN115664464A (en) * | 2022-08-19 | 2023-01-31 | 苏州岷亚电子科技有限公司 | Broadband power line carrier (HPLC) and RF dual-mode communication system |
CN115664464B (en) * | 2022-08-19 | 2024-05-07 | 苏州岷亚电子科技有限公司 | Broadband power line carrier (HPLC) and RF dual-mode communication system |
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