CN107026677A - A kind of ammeter network and its communication means based on three-phase electricity - Google Patents
A kind of ammeter network and its communication means based on three-phase electricity Download PDFInfo
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- CN107026677A CN107026677A CN201710200875.XA CN201710200875A CN107026677A CN 107026677 A CN107026677 A CN 107026677A CN 201710200875 A CN201710200875 A CN 201710200875A CN 107026677 A CN107026677 A CN 107026677A
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- 238000004891 communication Methods 0.000 title claims abstract description 21
- 230000005611 electricity Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000012790 confirmation Methods 0.000 claims description 3
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- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 208000032365 Electromagnetic interference Diseases 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to a kind of ammeter network, in particular a kind of ammeter network and its communication means based on three-phase electricity, by main control terminal, some ammeter terminals and electric power triple line are constituted, main control terminal includes processor unit, two power line information receiving units and a power line information transmitting unit, ammeter terminal includes some acquiring electric energy information units, processor unit, one information receiving unit and an information transmitting unit, the transmitting element of main control terminal is connected with the receiving unit of ammeter unit by the A circuitry phases in triple line, to realize command communication；The receiving unit of main control terminal is connected with the transmitting element of ammeter unit by the B circuitry phases in triple line, to realize that information communicates；Another group of receiving unit of main control terminal is connected with the transmitting element of ammeter unit by the C circuitry phases in triple line, to ask quick response.
Description
Technical field
The present invention relates to a kind of ammeter network design, in particular a kind of ammeter network and its communication party based on three-phase electricity
Method.
Background technology
In modern society, electric energy is one of indispensable energy source.The quality of the quality of power supply, is directly connected to social life
Various aspects living are produced, therefore extremely important is seemed to the monitoring of the quality of power supply.Monitoring to the quality of power supply is usual by ammeter
Real-time performance.Ammeter network is made up of some functional units being spatially distributed.Entered between unit and unit by network
Row data communication.
Data cube computation between ammeter network can take various forms.Mainly include wireless and separately installed line at present
Realize on road.For wireless, WIFI, the cordless communication network and communication network of designed, designed can be used.But use
If wireless transmission method, the design for place has been relied on, and many occasion electromagnetic interferences are stronger, it is easy to interference communication
Effect.Another is arrangement communication line.Can be using various ways such as ETHENET, CAN, but arrangement circuit is for cloth
Line and installation can all bring many inconvenience.
Further, it is also possible to using information transmission medium of the power line as sensor network.Which by power transmission with
Information transmission uses same circuit, eliminates the link for arranging special communication line.However, for the sensing using power line
For device network, how to set up full duplex network and merit attention.
The content of the invention
The present invention provides the network construction between a kind of utilization three-phase electricity real-time performance ammeter network, while realizing data
Transmitted in both directions.
To reach above-mentioned purpose, technical scheme is as follows：A kind of ammeter network based on three-phase electricity, it is whole by master control
End, ammeter terminal and electric power triple line are constituted, described processor unit, two power line information receiving units and one
Power line information transmitting unit, described meter terminal includes some acquiring electric energy information units, processor unit, an information and connect
Receive unit and an information transmitting unit, described triple line is conventional power triple line, the transmitting element of main control terminal with
The receiving unit of ammeter unit is connected by the A circuitry phases in triple line, to realize command communication；The reception list of main control terminal
Member is connected with the transmitting element of ammeter unit by the B circuitry phases in triple line, to realize that information communicates；Main control terminal it is another
One group of receiving unit is connected with the transmitting element of ammeter unit by the C circuitry phases in triple line, to ask quick response.
Preferably, existence information shroud module between ammeter network and external network, prevents the number of ammeter network internal
According to leakage.
Preferably, ammeter terminal can select being communicated all the way between B phase lines or C phase lines according to demand.
Preferably, ammeter terminal has multiple electrical energy data acquiring modules.
Preferably, a kind of ammeter Network device communication means based on triple line, comprises the following steps：
Step one：The sending module of described main control terminal is connected by A phases power line with the receiving terminal of each ammeter terminal,
Main control terminal sends control instruction by the phase power line.
Step 2：Ammeter terminal is received by A phases power line and instructed, and sends data by B phases power line under normal circumstances,
When there is a situation where to need preferentially to transmit, the instruction for requiring priority treatment is sent by C phase lines, while starting a timing
Device, if a period of time is not received by after the confirmation instruction of main control unit, resends request after a period of time.
Step 3：The processor module of main control terminal is received after the instruction of C phases, according to command content, is obtained to send and is somebody's turn to do
The address of the ammeter of instruction, being sent by A phases power line can allow transmission to instruct, the pause transmission of other ammeters.
Step 4：Send and require that the ammeter terminal of prioritised transmission request is received after the instruction of main control terminal, pass through B phases electricity
The line of force will send information to main control terminal.
Step 5：Do not obtained after ammeter terminal sends priority treatment after the reply of main control terminal, after delay a period of time
Again initiate, after preventing that multiple ammeter terminals from conflicting, the time of each end delay is different.
By above-mentioned technical proposal, beneficial effects of the present invention are：For common ammeter network, the present invention fills
Divide the characteristics of make use of triple line, it is possible to achieve the transmission of ammeter network construction and data and the quick phase of abnormal conditions
Should, improve the ageing of network.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described.
Fig. 1 is the configuration diagram of the ammeter network based on triple line of the present invention.
Wherein the A phase lines in 1- information screens module, 2- triple lines, the B phase lines in 3- triple lines, the C in 4- triple lines
Phase line, the transmission interface of 5- main control units, 6- main control units, the receiving interface of 7- main control units, the reception of 8- ammeters unit 1 connect
Mouth, the transmission interface of 9- ammeters unit 1,10- ammeters unit 1, the transmission interface of 11- ammeters unit 1,12- ammeters unit 1 connect
Receive interface, 13- ammeters unit 2, the transmission interface of 14- ammeters unit 2, the transmission interface of 15 ammeter units 2.
Fig. 2 is ammeter terminal structure figure.
Wherein the A phase lines in 21- triple lines, the B phase lines in 22- triple lines, the C phase lines in 23- triple lines, 24- electric power
Coupling unit, 25- two-way switch, 26- modulation modules, 27- data acquisition modules 1,28- electric power coupling unit, 29- demodulation, 30-
Processor unit, 31- data acquisition modules 2,32- data acquisition modules 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
As illustrated, a kind of ammeter network based on three-phase electricity, by main control terminal（6）, ammeter terminal（10、13）And three
Phase line network（2、3、4）Constitute, described main control terminal includes power line communication sending module, power line receiving module and place
Device module is managed, described ammeter terminal includes electrical energy parameter acquisition module, power line receiving module and power line sending module, main
Control terminal（6）Transmission interface（5）Pass through the A phase lines in triple line（2）With the receiving module interface of ammeter terminal（8、12）Phase
Even, main control unit（6）Receiving module（7）Pass through the B phases in triple line（3）, C phases（4）With the transmitting element phase of ammeter terminal
Even（9、11、14、15）, A phases（2）For the transmission of control instruction, B phases（3）For the transmission of data, C phases（4）For preferentially locating
Reason request communication.
In a particular embodiment, carrier wave uses 100KHz, using QPSK modulation system, and every power line realizes 5Kbps
Communication bandwidth.After data are by modulation, it are loaded on every power line and are transmitted, by rings such as carrier wave separation, demodulation
After section, data enter processor, realize data communication.
For ammeter terminal, the control instruction of main control terminal passes through A phases（21）Into coupling module（28）, entered demodulation
（29）Enter processor unit afterwards（30）, processor unit（30）B phases are selected according to agreement（22）, C phases（23）In riches all the way
Play communication.Data are sent through ovennodulation（26）Afterwards, selection and B phases（22）Or C phases（23）Connected coupling module（24）Led to
Letter.Ammeter terminal can be by data acquisition module（27、31、32）In one or more data transmitted.
In order to prevent information leakage, information screen module is increased to outer portion in network（1）.In specific embodiment
In, it is in the nature low-pass filtering module, and carrier wave can be prevented to be delivered to outside ammeter network.
A kind of ammeter Network device communication means based on triple line, comprises the following steps：
Step one：The sending module of described main control terminal is connected by A phases power line with the receiving terminal of each ammeter terminal,
Main control terminal sends control instruction by the phase power line.
Step 2：Ammeter terminal is received by A phases power line and instructed, and sends data by B phases power line under normal circumstances,
When there is a situation where to need preferentially to transmit, the instruction for requiring priority treatment is sent by C phase lines, while starting a timing
Device, if a period of time is not received by after the confirmation instruction of main control unit, resends request after a period of time.
Step 3：The processor module of main control terminal is received after the instruction of C phases, according to command content, is obtained to send and is somebody's turn to do
The address of the ammeter of instruction, being sent by A phases power line can allow transmission to instruct, the pause transmission of other ammeters.
Step 4：Send and require that the ammeter terminal of prioritised transmission request is received after the instruction of main control terminal, pass through B phases electricity
The line of force will send information to main control terminal.
Step 5：Do not obtained after ammeter terminal sends priority treatment after the reply of main control terminal, after delay a period of time
Again initiate, after preventing that multiple ammeter terminals from conflicting, the time of each end delay is different.
For common ammeter network, the characteristics of present invention takes full advantage of triple line, it is possible to achieve ammeter net
Network set up and data transmission and abnormal conditions it is quick corresponding, improve the ageing of network.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out in the range of the technological thought without departing from this invention entirely.The skill of this invention
Art scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (5)
1. a kind of ammeter network based on three-phase electricity, is made up of, described place main control terminal, ammeter terminal and electric power triple line
Device unit, two power line information receiving units and a power line information transmitting unit are managed, if described meter terminal includes
Dry acquiring electric energy information unit, processor unit, an information receiving unit and an information transmitting unit, described three-phase
Line is conventional power triple line, and the transmitting element of main control terminal passes through the A phases electricity in triple line with the receiving unit of ammeter unit
Road is connected, to realize command communication；The receiving unit of main control terminal passes through the B in triple line with the transmitting element of ammeter unit
Circuitry phase is connected, to realize that information communicates；The transmitting element of another group of receiving unit and ammeter unit of main control terminal passes through
C circuitry phases connection in triple line, to ask quick response.
2. the ammeter network according to claim 1 based on three-phase electricity, it is characterised in that ammeter network and external network it
Between existence information shroud module, prevent the leaking data of ammeter network internal.
3. the ammeter network according to claim 1 based on three-phase electricity, it is characterised in that ammeter terminal can be according to demand
Being communicated all the way between selection B phase lines or C phase lines.
4. the ammeter network according to claim 1 based on three-phase electricity, it is characterised in that ammeter terminal has multiple electric energy numbers
According to acquisition module.
5. a kind of ammeter network according to claim 1 based on three-phase electricity, it is characterised in that ammeter based on triple line
Network device communication means, comprises the following steps：
Step one：The sending module of described main control terminal is connected by A phases power line with the receiving terminal of each ammeter terminal,
Main control terminal sends control instruction by A phases power line；
Step 2：Ammeter terminal is received by A phases power line and instructed, and data is sent by B phases power line under normal circumstances, when depositing
When needing situation about preferentially transmitting, the instruction for requiring priority treatment is sent by C phase lines, while starting a timer, such as
Fruit is not received by after the confirmation instruction of main control unit for a period of time, and request is resend after a period of time；
Step 3：The processor module of main control terminal is received after the instruction of C phases, according to command content, is obtained and is sent the instruction
Ammeter address, by A phases power line send can allow transmission instruct, other ammeters pause transmission；
Step 4：Send and require that the ammeter terminal of prioritised transmission request is received after the instruction of main control terminal, pass through B phase power lines
It will send information to main control terminal；
Step 5：Do not obtained after ammeter terminal sends priority treatment after the reply of main control terminal, after delay a period of time again
Initiate, after preventing that multiple ammeter terminals from conflicting, the time of each end delay is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200875.XA CN107026677A (en) | 2017-03-30 | 2017-03-30 | A kind of ammeter network and its communication means based on three-phase electricity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710200875.XA CN107026677A (en) | 2017-03-30 | 2017-03-30 | A kind of ammeter network and its communication means based on three-phase electricity |
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| CN107026677A true CN107026677A (en) | 2017-08-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921828A (en) * | 2019-01-11 | 2019-06-21 | 西安电子科技大学 | One kind being based on narrowband low-voltage powerline carrier communication cruising inspection system and method |
| CN117692028A (en) * | 2024-02-04 | 2024-03-12 | 上海欣影电力科技股份有限公司 | Power line carrier and wireless dual-mode fusion communication method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07297763A (en) * | 1994-04-25 | 1995-11-10 | Tohoku Electric Power Co Inc | Injecting method for distribution line carrier signal |
| CN103034216A (en) * | 2012-12-21 | 2013-04-10 | 东南大学 | Distribution transformer on-line user identification carrier monitoring controller and control method |
| CN204990682U (en) * | 2015-09-02 | 2016-01-20 | 保定市宇创电气科技有限公司 | On --spot detector in batches of low pressure power consumption |
-
2017
- 2017-03-30 CN CN201710200875.XA patent/CN107026677A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07297763A (en) * | 1994-04-25 | 1995-11-10 | Tohoku Electric Power Co Inc | Injecting method for distribution line carrier signal |
| CN103034216A (en) * | 2012-12-21 | 2013-04-10 | 东南大学 | Distribution transformer on-line user identification carrier monitoring controller and control method |
| CN204990682U (en) * | 2015-09-02 | 2016-01-20 | 保定市宇创电气科技有限公司 | On --spot detector in batches of low pressure power consumption |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921828A (en) * | 2019-01-11 | 2019-06-21 | 西安电子科技大学 | One kind being based on narrowband low-voltage powerline carrier communication cruising inspection system and method |
| CN109921828B (en) * | 2019-01-11 | 2020-07-17 | 西安电子科技大学 | Inspection system based on narrowband low-voltage power line carrier communication |
| CN117692028A (en) * | 2024-02-04 | 2024-03-12 | 上海欣影电力科技股份有限公司 | Power line carrier and wireless dual-mode fusion communication method and device |
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Application publication date: 20170808 |
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