CN106408920A - Low-voltage grid meter reading data collecting method based on HomePlug AV - Google Patents
Low-voltage grid meter reading data collecting method based on HomePlug AV Download PDFInfo
- Publication number
- CN106408920A CN106408920A CN201610917537.3A CN201610917537A CN106408920A CN 106408920 A CN106408920 A CN 106408920A CN 201610917537 A CN201610917537 A CN 201610917537A CN 106408920 A CN106408920 A CN 106408920A
- Authority
- CN
- China
- Prior art keywords
- ammeter
- homeplug
- concentrator
- plc chip
- broadband plc
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
Abstract
The invention relates to a low-voltage grid meter reading data collecting method based on HomePlug AV. A system is powered on, carrier node ammeters send signals A for requiring to be endowed with terminal device identification to a broadband PLC chip of a concentrator, the broadband PLC chip sends terminal device identification information, the carrier node ammeters send signals B for requiring to obtain an encryption secret key to the broadband PLC chip, the broadband PLC chip sends member secret key information, the carrier node ammeters successfully log in and get online, a HomePlug AV local area network is formed, the concentrator uplinks through the HomePlug AV local area network to collect parallel meter reading data of the carrier node ammeters, and the concentrator uplinks through a GPRS or CDMA or Ethernet to convey parallel meter reading data to a master station. By means of an internet access and a broadband PLC, the uplink and downlink of an end module of the concentrator are enlarged, parallel meter reading becomes possible, and the meter reading speed is greatly increased.
Description
Technical field
The present invention relates to a kind of low voltage electric network meter reading data acquisition method, particularly to a kind of based on HomePlug AV's
Low voltage electric network meter reading data acquisition method, belongs to power monitoring field.
Background technology
Broadband over power line BPL (Broadband over power l ines) is a kind of permission internet data in electric power
The technology being transmitted on line.People are often referred to as power line communication PLC BPL.Broadband power line communication (Broadband
Over Power Line), abbreviation BPL, refer to limited bandwidth between 2-30MHz, traffic rate is generally more than 1Mbps's
Power line carrier communication.Power line communication technology, by the use of existing strong and reliable electric lines of force as the medium of information transfer, passes through
Carrier system transmits analog or digital signal.Electric lines of force can directly be utilized, without rewiring, networking simple and fast, cost are relatively
Cheap, applied range, ensure information safety simultaneously.
Broadband PLC product is the proprietary protocol of extension in the HomePlug AV specification using, and works in 1.8-28MHz,
HomePlug AV lower floor is based on 802.11b Ethernet protocol, using CSMA collision detection.HomePlug AV is that America and Europe extensively makes
Power carrier line local area network technology, is mainly used in family multi-media LAN, and HomePlug V2.0 speed can reach
1Gb/s, the current bandwidth carrier scheme speed released is 10Mbps, and actual speed rate is in 2-3Mbps.Broadband plc communication side
Case has inborn technology and application advantage, is described in detail below：(1) antidamping ability is strong, with arrowband power line communication technology phase
Relatively, broadband PLC has stronger antidamping ability, and arrowband antidamping is generally 60～75dB, and broadband PLC can reach
95dB；(2) traffic rate is high, and general arrowband power line communication speed is 1k～4kbps, and broadband PLC can reach
The PHY traffic rate of 200Mbps, application layer communication speed highest can reach 10Mbps, live operating rate also at least 2～
3Mbps about, it is thus possible to carry more, more complicated power line data application；(3) automatic network-building, relaying series is high, typically
Arrowband power line communication relaying series is 7 grades, and is easily subject to the environmental effect such as electric lines of force transition impedance, noise, point-to-point interactive number
According to reasons such as deficiencies, point-to-point communication is unstable.Broadband PLC relies on point-to-point stronger communication capacity, such that it is able to accomplish
Most 16 grades of dynamic trunkings, and trunking traffic can be repaired in real time and be safeguarded it is ensured that reliable data communication.
Content of the invention
The present invention discloses new scheme based on the low voltage electric network meter reading data acquisition method of HomePlug AV, using net
Mouth and broadband PLC make the up (the network interface communication with concentrator) and descending (logical with the PLC of table end module of concentrator side module
News) all widen so that checking meter parallel become possibility, solve that narrowband carrier communication means is long-standing to check meter the cycle
A difficult problem long, that success rate of checking meter is not high.
The present invention includes procedure below based on the low voltage electric network meter reading data acquisition method of HomePlug AV：System electrification,
Carrier Node ammeter sends the signal A that request gives Terminal Equipment Identifier, broadband PLC chip to the broadband PLC chip of concentrator
Terminal Equipment Identifier information is sent to Carrier Node ammeter, Carrier Node ammeter receives Terminal Equipment Identifier letter after receiving signal A
Send, to broadband PLC chip, the signal B that acquisition request encrypts key, broadband PLC chip receives after signal B to Carrier Node after breath
Ammeter sends member's key information, and after Carrier Node ammeter receives member's key information, successful registration is reached the standard grade, and is formed and includes broadband
The HomePlug AV LAN of PLC chip and Carrier Node ammeter, it is descending and many that concentrator passes through HomePlug AV LAN
Individual Carrier Node ammeter is checked meter gathered data parallel, and concentrator is surfed the net by GPRS or CDMA or ether and carried out to main website
Concurrently check meter transmission data.
Further, send to broadband PLC chip during registration is reached the standard grade after electricity on the Carrier Node ammeter of this programme
Carrier Node electric meter address information, broadband PLC chip sends the Carrier Node receiving electric meter address information reporting to concentrator,
The Carrier Node receiving electric meter address information is carried out contrast to investigate ammeter by concentrator with the ammeter assets document from main website
Unusual condition.
Further, the HomePlug AV LAN of this programme is according to electric power networks during electricity registration on Carrier Node ammeter
Carrier Node ammeter is directly communicated to connect by environment with broadband PLC chip, or by Carrier Node ammeter through via node ammeter
Indirectly communicate to connect with broadband PLC chip.
Further, the HomePlug AV LAN of this programme will direct and broadband PLC core according to real-time electric power network environment
The Carrier Node ammeter of piece communication connection is changed over and is indirectly communicated to connect with broadband PLC chip through via node ammeter, or will
Indirect through via node ammeter and the communication connection of broadband PLC chip Carrier Node ammeter changes over direct and broadband PLC core
Piece communicates to connect, or indirectly will change over the Carrier Node ammeter of broadband PLC chip communication connection through via node ammeter
Indirectly communicate to connect with broadband PLC chip through other via node ammeters.
Further, obtain member's key information during registration is reached the standard grade after electricity on the Carrier Node ammeter of this programme
Process adopts the aes algorithm encryption of 128bi t, and all data communications after the registration of Carrier Node ammeter is reached the standard grade all are passed through into
Member's key encryption.
Further, this programme external PC equipment on concentrator, carries out data reading by external PC equipment to specified ammeter
Extract operation.
Further, the concentrator of this programme is concurrently checked meter transmission to main website by GPRS or CDMA is up through fire wall
Data.
The present invention is made using network interface and broadband PLC based on the low voltage electric network meter reading data acquisition method of HomePlug AV
The uplink and downlink of concentrator side module have all been widened so that checking meter parallel become possibility, drastically increase speed of checking meter.
Brief description
Fig. 1 is this programme electrical network meter register method broadband PLC networking principle schematic.
Fig. 2 is the principle schematic of Carrier Node and CCo communication connection.
Fig. 3 is the concrete networking principle schematic of this programme electrical network meter register method.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
For ease of scheme is described, following table illustrates the term and definition of some this programme.
HomePlugAV adopts a point-to-multipoint two-way tree network, and " a bit " refers to CCo, and " multiple spot " refers to many
Individual STA, CCo and multiple STA can carry out two-way concurrent carrier communication.Generally, STA directly can be led to CCo
News, and at some in particular cases, such as power line noise bad environments or nodal distance too far when, STA cannot be with
CCo directly sets up communication, and these STA are referred to as HSTA.It needs the relay function of PSTA indirectly to communicate with CCo.Additionally,
Give tacit consent between STA and STA and do not allow to set up communication, unless be relaying and the relation being relayed between two STA.In each registration
The STA of line distributes one unique No. ID by CCo, TEI.In the AVLN that CCo safeguards, TEI can uniquely indicate this STA.Certainly,
STA can also be identified using MAC Address, in HomePlugAV, simply only use TEI mark source STA and purpose STA.So appointing
What message is required for arranging corresponding source TEI and purpose according to source MAC and target MAC (Media Access Control) address before being forwarded to power network
TEI.Some PSTA and HSTA present in the AVLN of this programme, 1 HSTA is possibly through in 1 or multiple PSTA
Continue and could be communicated with CCo.As shown in Fig. 2 HSTA needs the relay function of 2 PSTA could interact with CCo, wherein,
PSTA-2 is also a HSTA in itself, and it needs the relay function of PSTA-1 could interact with CCo.
As shown in figure 1, broadband PLC group-network construction model.Broadband plc communication technological borrowing current arrowband PLC intelligence electricity
The various schemes that table is checked meter, have similar tree-like communication architecture, are again based on Homeplug AV technology simultaneously, have high bandwidth,
Registration is reached the standard grade, automatic network-building, automatic relay, electric meter address report automatically, safety the features such as.Its concrete function can be found in down
Table.
MME form message compatibility ethernet mac frame format message in HomePlugAV agreement, that is, specify ethernet frame lattice
When type in formula is 0x88e1, this ethernet frame is considered as MME message, and so, this MME message both can be over ethernet
Transmission, can transmit so that the communication under heterogeneous networks medium becomes very simple on the PLC meeting HomePlugAV standard again
Single.Additionally, using the message meeting 645 agreements as MME message privately owned extension (will 645 agreements as privately owned MME type
Load) it is achieved that 645 messages are in concentrator module, QCA6411 (the CCo chip in concentrator module), QCA7000 (table end mould
Chip in block), the transparent transmission between ammeter.When specified MAC_Type is 0x88e1, this frame is regarded as
MME message in HomePlugAV agreement.MAC_Payload below will be parsed by MME message format.
HomePlugAV standard defines MME message, logical for safeguarding the management between AVLN network and CCo and STA
News, its compatible ethernet mac frame format is so that MME message can transmit under ethernet environment again.HomePlugAV standard defines
Standard set MME, all manufacturers must use identical MME form and processing method.Additionally, for the ease of extension,
Allow to create the privately owned message of the distinctive MME of manufacturer.In order to be able to allow 645 protocol massages smoothly to transmit between concentrator and ammeter,
This programme defines privately owned MME type, and for carrying 645 protocol massages, 645 are transmitted as the load of privately owned MME.
The maximum advantage of this programme is exactly speed advantage.Network interface and broadband PLC make concentrator side module thereon row (with
The network interface communication of concentrator) and descending (communicating with the PLC of table end module) all " widened " so that checking meter that become can parallel
Can, speed of checking meter can be greatly enhanced.The communication modes of traditional serial ports arrowband PLC are such：Concentrator is sent out by serial ports
Wall scroll is sent to check meter message to concentrator module (routing procedure omitting concentrator module here is not stated), concentrator module is downward
Row is sent to PLC and checks meter up, waits ammeter to respond, and has ammeter to wait for the reading of ammeter if responding, just goes to copy after reading
Next block table；Just wait time-out as do not read.Due to the characteristic of serial ports and arrowband PLC, every time can only one piece of table of copy reading.And broadband
PLC, the frequency band of support is widened, have thereon multiple channels can with parallel transmission so that concentrator module descending (with table end module
PLC communicates) check meter parallel and be possibly realized.And network interface communication, by network layer protocol and speed, multiple amr frames can be had same simultaneously
When transmission so that up concurrently the checking meter of (with the communication of the network interface of concentrator) of concentrator module is possibly realized.Software and hardware is mutual
Cooperation, co- controlling and is checked meter parallel.Drastically increase the speed checked meter, there is traditional narrow communication incomparable
Speed advantage.
This programme adopts the product based on broadband plc communication technology of this Kanggong department auspicious, leads to including concentrator, concentrator side
Letter module and II type harvester, for the practical operation situation under testing broad-band plc communication technology at home power grid environment.Automatically
Day of every piece of ammeter in collecting test system, freeze table code data the moon, and main station system is transferred to by data feedback channel.Communication is logical
Road aspect, concentrator data feedback channel adopts GPRS or Ethernet, and down going channel uses broadband PLC.Between meter and concentrator
Stipulations adopt DL/T 645, adopt Q/GDW376.1 between concentrator and main station system.
As shown in figure 3, designed system is mainly made up of main station system, concentrator, ammeter, the communication of concentrator and ammeter
Communication module by concentrator side communication module and ammeter end completes, and the ammeter on the diagram being inserted with carrier communication module is denoted as
" carrier power meter ".Main station system completes collection to concentrator data, the function such as browses, analyzes and count, and to user's meter,
The management of the equipment such as concentrator and maintenance.Concentrator data feedback channel selects wireless mode or the wired sides of Ethernet such as GPRS or CDMA
Formula, the up stipulations of concentrator adopt state electricity Q/GDW376.1.Concentrator downlink communication adopts broadband plc communication mode, lower professional etiquette
About adopt DL/T 645 agreement, ammeter side adopts broadband plc communication mode, supports DL/T 645 communication protocol.
System is made up of concentrator, single-phase electric energy meter, II type harvester.Wherein, single-phase electric energy meter is collection power information
Equipment.According to general system proposal, single-phase electric energy meter will provide the electrical network parameters such as voltage, electric current, power, power factor,
There are RS485 and two kinds of communication modes of carrier wave simultaneously, and require the hot-swappable replacing of carrier module.This programme is carried using insertion
The carrier communication mode of wave communication module.The major function of concentrator includes data acquisition and storage, parameter setting and inquiry, thing
The maintenance function of part record, data transfer and terminal.Concentrator leans on concentrator side module and table end module to communicate with ammeter.Collection
Middle device can pass through GPRS or CDMA or Ethernet by the data transfer obtaining at ammeter to main station system.Module has concentrator side
Module and II type harvester block.Concentrator side module is inserted in the position of concentrator downstream module, for concentrator and carrier wave meter
Direction communication.II type harvester is up to carry out carrier communication with concentrator, and descending and electric energy meter carries out 485 communications.
The communication network of broadband plc communication technology to be completed by concentrator module.After electricity in concentrator module, mould
3 CCo in block each set up and safeguard an AVLN.First send out the frame of a request TEI in STA registration process, obtain TEI
Afterwards, STA just can be identified by CCo, and can send data by CSMA mechanism using channel.STA have received CCo confirmation
After obtaining the frame of TEI, send, to CCo, the frame obtaining encryption key (NEK), if CCo allows its registration to reach the standard grade, can be by NEK
Key is sent to STA.The CCo that successful registration is reached the standard grade has display lamp instruction of reaching the standard grade in module.The process of exiting is divided into STA actively
Exit and require what it exited passively to exit two ways with CCo.STA active exit by STA send request exit MME message to
CCo.This it may be the case that STA power-off or need actively leave AVLN.Passive mode is to issue STA by CCo to require it to move back
The instruction going out.
This programme also discloses broadband plc communication on-the-spot test content.Bandwidth carrier narrowband carrier different from the past, its
It is distributed in relative high-frequency band, affecting of the easy factor affecting high-frequency signal can be subject to.For the factor at scene, circuit pair
Less, carrier communication in theory can be to 300 meters of effective ranges, and main impact signal of communication is switch for the decay of signal of communication
At wiring.So, during construction, main principle is to try to reduce concentrator to the switch number between communication node.
This programme has online display lamp, can be conveniently used for the investigation at scene.The online display lamp Chang Liang (mesh of table end module
Front version is the lamp on the right is that TXD often gives a green light) represent that the communication of this STA and CCo has no problem.The new platform area installed, protect
Card node can be reached the standard grade, and check meter returning of just can copying.Do not work if there is online display lamp or unstable situation about reaching the standard grade, can join
Examine herein below investigation：
(1) concentrator carries detecting voltage by three phase function, and whether the three phase mains of detection concentrator is normal, if exists and connects
Head loosen be not connected with and electric wire break situations such as.
(2) whether can be able to be reached the standard grade using unknown unifunctional concentrator module Observation Blocks, then using with list work(
Can concentrator module, see whether there is archives mistake, such as there is archives mistake, modification archives Observation Blocks whether can more than
Line.
(3) consider whether it is ammeter or module problem itself, replace new observation.
Observe circuit whether long, or pass through switch and can deamplification equipment excessive.Consider on suitable ground
Side plus relaying are attempted.
The concentrator in each area is separately mounted in the electricity box on transformator side.Following table is WFET-610S harvester
The key technical indexes.
Harvester provides a road RS485 meter reading interface, using principal and subordinate's polling mode, copy reading each ammeter electric flux, and adopt for one
Storage maximum checks meter capacity for 32, and harvester is equivalent to all RS485 electric energy meters of virtual lower extension, for system command, adopts
Storage is processed using order transparent transmission mode.Support low voltage power line carrier.Harvester after mounting, guarantee to connect correct before
Put, be not required to do any setting operation, just can normal work.By carrier channel, harvester Software thread can be upgraded.Following table
It is its concrete function.
Electrical equipment, circuit, module and the electronic devices and components being related in such scheme, in addition to special instruction, are realized according to it
Concrete function can select design generally in the art and scheme it is also possible to select according to actual needs other design and side
Case.
Being made using network interface and broadband PLC based on the low voltage electric network meter reading data acquisition method of HomePlug AV of this programme
Row (the network interface communication with concentrator) and descending (the PLC communication with table end module) all " are widened " thereon to obtain concentrator side module
So that checking meter parallel become possibility, speed of checking meter can be greatly enhanced, solve narrowband carrier communication system long-term existence
Cycle length of checking meter, the not high difficult problem of success rate of checking meter.This programme is drawn by low voltage electric network by setting up on-site test system, research
Play the key element of narrowband carrier communication failure, in terms of topological structure of electric, electric network influencing measure examination and household electrical appliance characteristic quantity etc.
Propose technical cue, improve live capacity of resisting disturbance, improve collection success rate, effective Feedback site problems, and can reduce
Line loss.Based on above feature, this programme is compared existing narrowband carrier communication means and is had prominent substantive distinguishing features and notable
Progress.
This programme specific embodiment is not limited to based on the low voltage electric network meter reading data acquisition method of HomePlug AV
Disclosed in content, in embodiment occur technical scheme can be with individualism it is also possible to mutually comprise, those skilled in the art
Fall within the scope of this programme according to this programme with reference to the simple alternative that common knowledge is made.
Claims (7)
1. the low voltage electric network meter reading data acquisition method based on HomePlug AV, is characterized in that including procedure below：
System electrification, Carrier Node ammeter sends, to the broadband PLC chip of concentrator, the signal that request gives Terminal Equipment Identifier
A, broadband PLC chip sends Terminal Equipment Identifier information to Carrier Node ammeter after receiving signal A, and Carrier Node ammeter receives end
Send, to broadband PLC chip, the signal B that acquisition request encrypts key, broadband PLC chip receives signal B after end equipment identification information
Send member's key information to Carrier Node ammeter afterwards, after Carrier Node ammeter receives member's key information, successful registration is reached the standard grade,
Form the HomePlug AV LAN including broadband PLC chip and Carrier Node ammeter, concentrator passes through HomePlug AV office
Domain row off the net and multiple Carrier Node ammeters are checked meter gathered data parallel, and concentrator passes through on GPRS or CDMA or Ethernet
Row is concurrently checked meter transmission data to main website.
2. the low voltage electric network meter reading data acquisition method based on HomePlug AV according to claim 1, its feature exists
In, send Carrier Node electric meter address information to broadband PLC chip during registration is reached the standard grade after electricity on Carrier Node ammeter,
Broadband PLC chip sends the Carrier Node receiving electric meter address information reporting to concentrator, and concentrator is by the carrier wave receiving section
Point electric meter address information and the ammeter assets document from main website carry out contrasting the unusual condition to investigate ammeter.
3. the low voltage electric network meter reading data acquisition method based on HomePlug AV according to claim 1, its feature exists
In HomePlug AV LAN will be straight for Carrier Node ammeter according to electric power networks environment during electricity registration on Carrier Node ammeter
Connect and the communication connection of broadband PLC chip, or Carrier Node ammeter is communicated with broadband PLC chip indirectly through via node ammeter
Connect.
4. the low voltage electric network meter reading data acquisition method based on HomePlug AV according to claim 3, its feature exists
In the Carrier Node that direct and broadband PLC chip are communicated to connect by HomePlug AV LAN according to real-time electric power network environment
Ammeter is changed over and is indirectly communicated to connect with broadband PLC chip through via node ammeter, or will be indirect through via node ammeter
Change over the Carrier Node ammeter of broadband PLC chip communication connection and directly communicate to connect with broadband PLC chip, or will pass through
The node ammeter that continues indirectly is changed over through between other via node ammeters with the Carrier Node ammeter of broadband PLC chip communication connection
Connect and the communication connection of broadband PLC chip.
5. the low voltage electric network meter reading data acquisition method based on HomePlug AV according to claim 1, its feature exists
In the process obtaining member's key information after electricity on Carrier Node ammeter during registration is reached the standard grade adopts the AES of 128bit
Algorithm for encryption, all data communications after the registration of Carrier Node ammeter is reached the standard grade all are encrypted by member's key.
6. the low voltage electric network meter reading data acquisition method based on HomePlug AV according to claim 1, its feature exists
In, external PC equipment on concentrator, data read operation is carried out to specified ammeter by external PC equipment.
7. the low voltage electric network meter reading data acquisition method based on HomePlug AV according to claim 1, its feature exists
Concurrently checked meter transmission data to main website by GPRS or CDMA is up through fire wall in, concentrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917537.3A CN106408920A (en) | 2016-10-21 | 2016-10-21 | Low-voltage grid meter reading data collecting method based on HomePlug AV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917537.3A CN106408920A (en) | 2016-10-21 | 2016-10-21 | Low-voltage grid meter reading data collecting method based on HomePlug AV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106408920A true CN106408920A (en) | 2017-02-15 |
Family
ID=58012469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610917537.3A Pending CN106408920A (en) | 2016-10-21 | 2016-10-21 | Low-voltage grid meter reading data collecting method based on HomePlug AV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106408920A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146395A (en) * | 2017-06-13 | 2017-09-08 | 珠海慧信微电子有限公司 | The kilowatt meter reading-out system and meter register method communicated based on bandwidth carrier |
| CN108732977A (en) * | 2018-08-30 | 2018-11-02 | 四川中电启明星信息技术有限公司 | A kind of collecting method and system |
| CN115134389A (en) * | 2022-09-02 | 2022-09-30 | 施维智能计量系统服务(长沙)有限公司 | Parallel meter reading method, device, equipment and computer readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070222579A1 (en) * | 2006-03-27 | 2007-09-27 | Berkman William H | Power line communication device and method |
| CN102750813A (en) * | 2012-06-12 | 2012-10-24 | 上海市电力公司 | Power use information acquisition system |
| CN202650229U (en) * | 2012-05-30 | 2013-01-02 | 珠海辉煌电力科技有限公司 | Centralized meter reading system through power line high-speed narrow bands |
| CN105763410A (en) * | 2014-12-18 | 2016-07-13 | 国家电网公司 | HomePlug AV standard-based automatic relay networking method for power line broadband carrier band |
-
2016
- 2016-10-21 CN CN201610917537.3A patent/CN106408920A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070222579A1 (en) * | 2006-03-27 | 2007-09-27 | Berkman William H | Power line communication device and method |
| CN202650229U (en) * | 2012-05-30 | 2013-01-02 | 珠海辉煌电力科技有限公司 | Centralized meter reading system through power line high-speed narrow bands |
| CN102750813A (en) * | 2012-06-12 | 2012-10-24 | 上海市电力公司 | Power use information acquisition system |
| CN105763410A (en) * | 2014-12-18 | 2016-07-13 | 国家电网公司 | HomePlug AV standard-based automatic relay networking method for power line broadband carrier band |
Non-Patent Citations (1)
| Title |
|---|
| 罗义钊等: "基于HomePlug技术的宽带PLC采集系统应用研究", 《电力信息与通信技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146395A (en) * | 2017-06-13 | 2017-09-08 | 珠海慧信微电子有限公司 | The kilowatt meter reading-out system and meter register method communicated based on bandwidth carrier |
| CN108732977A (en) * | 2018-08-30 | 2018-11-02 | 四川中电启明星信息技术有限公司 | A kind of collecting method and system |
| CN115134389A (en) * | 2022-09-02 | 2022-09-30 | 施维智能计量系统服务(长沙)有限公司 | Parallel meter reading method, device, equipment and computer readable storage medium |
| CN115134389B (en) * | 2022-09-02 | 2022-12-27 | 施维智能计量系统服务(长沙)有限公司 | Parallel meter reading method, device, equipment and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206002869U (en) | A kind of intelligent domestic system based on wireless sensor network | |
| CN203433667U (en) | Broadband carrier meter-reading module based on power line carrier communication | |
| CN206002868U (en) | A kind of intelligent home control system interacting | |
| CN106297258A (en) | Low voltage electric network kilowatt meter reading-out system based on HomePlug AV | |
| US20160212576A1 (en) | Sensor having an integrated zigbee® device for communication with zigbee® enabled appliances to control and monitor zigbee® enabled appliances | |
| US7598844B2 (en) | Power line communications module and method | |
| US8863228B2 (en) | Energy management apparatus and energy management system | |
| US20130110837A1 (en) | Data collecting concentrator and data collecting method | |
| US20170214967A1 (en) | Set-top-box having a built-in master node that provides an external interface for communication and control in a power-line-based residential communication system | |
| TW200921053A (en) | Electronic meter for networked meter reading | |
| US20070222579A1 (en) | Power line communication device and method | |
| US20120066023A1 (en) | Green Energy Database Including Verifiable Information for Implementing a National Level Green Energy Policy | |
| CN107332684A (en) | A kind of topological identifying system of low-voltage power distribution station area electrical network and method | |
| CN206002870U (en) | A kind of house system based on Internet of Things | |
| CN102832973B (en) | Network accessing method of automatic meter reading system | |
| CN106408920A (en) | Low-voltage grid meter reading data collecting method based on HomePlug AV | |
| EP2417465A2 (en) | System and method for determining a phase conductor supplying power to a device | |
| CN206004684U (en) | A kind of smart home remote control system | |
| Naamane et al. | Towards a smart grid communication | |
| CN202794361U (en) | District automatic identification tester | |
| CN106911362A (en) | Three-phase meter bandwidth carrier communication module based on high-performance carrier Control technology | |
| CN104468703A (en) | Communication method and system for distributed small power source and upper computer | |
| CN206323214U (en) | Photovoltaic power station power carrier communication system | |
| CN108092696A (en) | Five phase intelligent power line carrier communications control managing device | |
| CN205899798U (en) | With electric information collection middling pressure carrier communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |