CN102195683A - Power carrier communication method - Google Patents
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- CN102195683A CN102195683A CN201110121103XA CN201110121103A CN102195683A CN 102195683 A CN102195683 A CN 102195683A CN 201110121103X A CN201110121103X A CN 201110121103XA CN 201110121103 A CN201110121103 A CN 201110121103A CN 102195683 A CN102195683 A CN 102195683A
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Abstract
The invention discloses a power carrier communication method, which is applied to the remote meter reading of a power carrier network. The power carrier network comprises a concentrator, acquirers and carrier meters, wherein the concentrator is a master node positioned in the uppermost layer of the power carrier network; and the acquirer and the carrier meter are child nodes positioned in every other layer of the power carrier network. By the power carrier communication method, reliable and stable power carrier communication is realized on an unreliable carrier medium by distributed networking and data reading, rapid electric energy information acquisition is realized, the carrier meter reading success rate is increased, and the problems of low meter reading success rate and unstable meter reading in a power carrier remote concentrated meter reading system are solved.
Description
Technical field
The present invention relates to the power line carrier, PLC technology, relate in particular to a kind of power line carrier, PLC method that is applied to remote meter reading.
Background technology
At present, the power line carrier, PLC technology is mainly used in the long-distance meter-reading system, the advantage that it has concentrating and reduces the manpower consumption.Routing algorithm in the existing carrier meter reading scheme generally adopts centralized network-building method, and networking and meter reading efficiency are lower, and because existing routing algorithm is considered the demand that satisfies every field, algorithm is comparatively complicated, is difficult to realize on the MCU of lower cost.
In summary, the existing power carrier communication obviously exists inconvenience and defective, so be necessary to be improved on reality is used.
Summary of the invention
At above-mentioned defective, the object of the present invention is to provide a kind of power line carrier, PLC method, it can realize reliable, stable communication on insecure carrier wave media, for whole kilowatt meter reading-out system provides reliable and complete data.
To achieve these goals, the invention provides a kind of power line carrier, PLC method, be applied to the remote meter reading of power carrier network, described power carrier network comprises concentrator, collector and carrier wave meter, described concentrator is the host node that is positioned at the described power carrier network the superiors, described collector and carrier wave meter are the child nodes that is positioned at described other each layer of power carrier network, and described method comprises:
Distributed networking: host node sends networking commands, and its subordinate's child node timesharing initiatively reports the network information of himself, and host node stores the network information that each child node reports; Host node sends confirmation message to the child node that reports self network information, receives the child node and host node formation first order power line carrier, PLC network of described confirmation message;
After the scheduled time, repeat described distributed networking step, finish until the networking process;
The data copy reading: host node sends data copy reading order, its subordinate's child node timesharing reported data content, and host node stores the data content that each child node reports, and behind max-timeout, the data content that child node reports is replied one by one;
After the scheduled time, repeat described data copy reading step, until the data copy reading of finishing each node.
According to this electricity power carrier communication method, in the described distributed networking step, the networking commands that host node sends is first networking commands, the child node of receiving this order is forwarded to the lower floor's child node that has the physical connection relation with this child node with described first networking commands after reporting self networks information, the child node of described lower floor reports self networks information, and reports the child node of self network information success and its upper layer node to form second level power line carrier, PLC network.
According to this electricity power carrier communication method, in the described data copy reading step, the data copy reading order that major node sends is the first data copy reading order, the child node of receiving this order reports after self the copy reading data to the lower floor's child node that has a physical connection relation with this child node and sends data copy reading order, and the child node of the described lower floor straton node that makes progress reports the copy reading data.
According to power line carrier, PLC method of the present invention, the child node of receiving major node copy reading order is reported to major node with the copy reading data that lower floor's child node of this child node sends.
According to power line carrier, PLC method of the present invention, child node initiatively report network information adopts hashing algorithm, the input parameter of hashing algorithm be in the networking commands that issues with random number R and child node self networks information, child node from receive networking commands that upper layer node the last time issues to the time-delay that reports the child node network information be T=f (R, ID).
According to this electricity power carrier communication method, the described network information is a network ID.
The present invention has realized reliable, stable communication by distributed networking on the insecure carrier wave media of communication, realized quick acquiring electric energy information, improved the carrier meter reading success rate, check meter in the electric power carrier wave remote automatic meter reading system success rate variance and the problem of unstable of checking meter have been solved, for whole kilowatt meter reading-out system provides reliable and complete data, can better monitor the electricity consumption data for the main station system on upper strata reliable guarantee is provided, thereby realize the reasonable utilization of electric power energy and reach purpose of energy saving.
Description of drawings
Fig. 1 is the power line carrier, PLC schematic network structure that one embodiment of the invention provides;
Fig. 2 is the power line carrier, PLC network topology structure schematic diagram of one embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is the composition structure chart of the power line carrier, PLC network of one embodiment of the invention, and it comprises concentrator 10, some collectors 20 and carrier wave meter 30.In conjunction with Fig. 2, concentrator 10 is the major nodes that are positioned at the power line carrier, PLC network the superiors again, and collector 20 and carrier wave meter 30 are the child nodes that are positioned at each layer of power line carrier, PLC network others.
Electronics carrier communication method of the present invention comprises distributed networking step and copy reading data step.Wherein:
Have two kinds of networking commands in the distributed networking: first networking commands and second networking commands.For first networking commands, receive the child node of this type of order, need this order is forwarded to correspondingly lower floor's child node, receive that promptly the child node of first networking commands need carry out networking to self and corresponding upper node thereof and lower floor's child node; For second networking commands, receive the node of this type of order, do not allow this order is forwarded to lower floor's child node, receive that promptly the child node of second networking commands only carries out networking to self and corresponding upper node thereof.
In conjunction with Fig. 2, in one embodiment of the invention, host node sends first networking commands, it is network ID that the child node timesharing of receiving this order initiatively reports the network information of himself, host node is stored the nodal information of receiving, after waiting for max-timeout, the child node of report network ID is initiatively sent confirmation message successively, and repeat this process after the scheduled time at interval, child node and the host node of receiving described confirmation message form first order power line carrier, PLC network, as the major node among the figure and child node A～F.
After child node is received the acknowledgement command of host node to its active report network ID, no longer first networking commands of host node is carried out report network ID, simultaneously, this child node is forwarded to first networking commands lower floor's child node that has the physical connection relation with this child node, the child node of lower floor reports self networks ID, and reports the child node of self network ID success and its upper layer node to form second level power line carrier, PLC network.With Fig. 2 is example, child node A has reported self network ID, when receiving the networking commands of host node again, it is sent to its child node A1～An with networking commands, and whereby, child node A1～An reports self networks ID to child node A, when child node A receives networking commands once more, to report the network ID of success to report to major node, whereby, the part or all of lower floor child node that major node, child node A and child node A are relevant forms the power line carrier, PLC network.
Need to prove that of the present invention report or transmitting order to lower levels all adopts the method for time-sharing multiplex is so the network construction of other each child node all has identical flow process.
Preferably, child node initiatively report network ID adopts hashing algorithm, realizes the time-sharing multiplex carrier channel.The input parameter of hashing algorithm be in the networking commands that issues with random number R and child node self networks ID, be child node from receiving that the networking commands that its upper layer node the last time issues is T=f (R to the time-delay that reports the child node network ID, ID), the conflict that can reduce to occur in the communication process whereby.If conflict occurs, then this child node networking failure, when receiving the networking commands of next time, because of the random number difference that issues, again the time-delay T difference of calculating can reduce the probability of conflicting at this whereby, when carrying out repeatedly networking commands communication, then this child node network ID successfully can be reported, and then improve the success rate of networking.
Better, if only need host node and lower floor's child node thereof are carried out networking, then when networking, only need major node to send second networking commands and get final product.Simultaneously, in the communication means of the present invention, each node collaborative work, the distribution networking, and have initiatively reporting functions, can improve networking and meter reading efficiency greatly.
In the communication means of the present invention, comprise two kinds of orders in the copy reading data: the first data copy reading order and the second data copy reading order.For the first data copy reading order, receive the child node of this type of order, this order need be forwarded to lower floor's child node correspondingly, receive that promptly the child node of the first data copy reading order need report to its corresponding upper strata node with the copy reading data of self and the copy reading data of child node thereof; For the second data copy reading order, receive the node of this type of order, do not allow this order is forwarded to lower floor's child node, receive that promptly the child node of the second data copy reading order only need report the copy reading data of self to get final product.
In one embodiment of this invention, when concentrator 10 needs to gather certain data, host node is initiated the data acquisition task by sending first data acquisition command, and after corresponding child node was received this order, the time-sharing multiplex carrier channel reported corresponding data acquisition content.Host node is stored the node data information of receiving, after waiting for max-timeout, the data content that child node reports is replied one by one, and repeats this process after the scheduled time at interval.
After the success of child node reported data content, if receive the data copy reading order of its upper layer node again, then this child node will successfully be reported to subordinate's son node number of this child node to report according to carrying out active.Wherein newspaper conflict processing is identical with aforementioned networking conflict processing, does not repeat them here.
In conjunction with Fig. 2, be example again, after the child node E success reported data content, its child node E1～En initiated data copy reading order with child node E.Ignore this order when having reported the fraternal child node of success to receive this order.Same, other child nodes at different levels can adopt the above-mentioned first same data copy reading order to realize that data initiatively report.Under same network, if the communication in two zones is unreachable, by said method can realize two zones independently distributed data initiatively report.When only needing the data of the one-level node under the copy reading present node, send the second data copy reading order, after child node is finished reported data and initiatively reported, its lower floor's child node is not done any processing.Preferably, after upper layer node has been collected all data of setting up the child node that is associated with it, then no longer send the order of copy reading son node number certificate.
Need to prove that in the communication means of the present invention, but distribution networking process and data copy reading process alternate run can carry out data acquisition to the node of networking success in the process of networking.
In sum, the present invention has realized reliable, stable communication on the insecure carrier wave media of communication.And realized under the automatic search carrier wave node hung, realized quick acquiring electric energy information, improved the carrier meter reading success rate, check meter in the electric power carrier wave remote automatic meter reading system success rate variance and the problem of unstable of checking meter have been solved, for whole kilowatt meter reading-out system provides reliable and complete data, can better monitor the electricity consumption data for the main station system on upper strata reliable guarantee is provided, thereby realize the reasonable utilization of electric power energy and reach purpose of energy saving.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. power line carrier, PLC method, be applied to the remote meter reading of power carrier network, described power carrier network comprises concentrator, collector and carrier wave meter, described concentrator is the host node that is positioned at the described power carrier network the superiors, described collector and carrier wave meter are the child nodes that is positioned at described other each layer of power carrier network, it is characterized in that described method comprises:
Distributed networking: host node sends networking commands, and its subordinate's child node timesharing initiatively reports the network information of himself, and host node stores the network information that each child node reports; Host node sends confirmation message to the child node that reports self network information, receives the child node and host node formation first order power line carrier, PLC network of described confirmation message;
After the scheduled time, repeat described distributed networking step, finish until the networking process;
The data copy reading: major node sends data copy reading order, its subordinate's child node timesharing reported data content, and host node stores the data content that each child node reports, and behind max-timeout, the data content that child node reports is replied one by one;
After the scheduled time, repeat described data copy reading step, until the data copy reading of finishing each node.
2. power line carrier, PLC method according to claim 1, it is characterized in that, in the described distributed networking step, the networking commands that host node sends is first networking commands, the child node of receiving this order is forwarded to the lower floor's child node that has the physical connection relation with this child node with described first networking commands after reporting self networks information, the child node of described lower floor reports self networks information, and reports the child node of self network information success and its upper layer node to form second level power line carrier, PLC network.
3. power line carrier, PLC method according to claim 1, it is characterized in that, in the described data copy reading step, the data copy reading order that major node sends is the first data copy reading order, the child node of receiving this order reports after self the copy reading data to the lower floor's child node that has a physical connection relation with this child node and sends data copy reading order, and the child node of the described lower floor straton node that makes progress reports the copy reading data.
4. power line carrier, PLC method according to claim 3 is characterized in that, the child node of receiving major node copy reading order is reported to major node with the copy reading data that lower floor's child node of this child node sends.
5. power line carrier, PLC method according to claim 1, it is characterized in that, child node initiatively report network information adopts hashing algorithm, the input parameter of hashing algorithm be in the networking commands that issues with random number R and child node self networks information, child node from receive networking commands that upper layer node the last time issues to the time-delay that reports the child node network information be T=f (R, ID).
6. power line carrier, PLC method according to claim 1 is characterized in that, the described network information is a network ID.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904609A (en) * | 2012-06-14 | 2013-01-30 | 中国科学技术大学 | Networking method for integrated power line carrier communication network and topology network |
| CN103051741A (en) * | 2012-12-18 | 2013-04-17 | 东南大学 | Internetworking method for wireless intelligent meter reading system |
| CN103281105A (en) * | 2013-06-17 | 2013-09-04 | 北京科技大学 | Carrier table Ad-Hoc network method based on low voltage power line |
| CN103312563A (en) * | 2013-06-24 | 2013-09-18 | 深圳市金正方科技股份有限公司 | Automatic information collection method and system based on power line carrier communication |
| CN103345836A (en) * | 2013-06-17 | 2013-10-09 | 北京科技大学 | Ad-hoc network meter reading method based on low-voltage power line carrier wave |
| CN103441781A (en) * | 2013-08-28 | 2013-12-11 | 江苏麦希通讯技术有限公司 | Power line carrier ad hoc network method and system |
| CN105451290A (en) * | 2014-08-20 | 2016-03-30 | 北京南瑞智芯微电子科技有限公司 | Micropower wireless network self-organizing method and micropower wireless network |
| CN105553514A (en) * | 2015-12-11 | 2016-05-04 | 华立科技股份有限公司 | Modem based on EURIDIS protocol |
| CN105721018A (en) * | 2016-01-27 | 2016-06-29 | 厦门中天微电子科技有限公司 | Method for improving centralized reading efficiency of power line carrier centralized reading system |
| CN106375480A (en) * | 2016-11-01 | 2017-02-01 | 北京博望华科科技有限公司 | Electric energy data real-time acquisition system and method based on distributed system |
| CN106453098A (en) * | 2016-12-05 | 2017-02-22 | 深圳市国电科技通信有限公司 | Automatic superimposed data collection algorithm based on network topology |
| CN106559345A (en) * | 2016-12-05 | 2017-04-05 | 深圳市国电科技通信有限公司 | Ranked data gathering algorithm based on network topology |
| CN106788595A (en) * | 2016-12-12 | 2017-05-31 | 上海云间半导体科技有限公司 | For the concentrator of the remote meter reading based on power line carrier |
| CN106873464A (en) * | 2017-03-22 | 2017-06-20 | 深圳市中航世星科技有限公司 | A kind of airborne distributed parallel computing environment of restructural and method |
| CN107017921A (en) * | 2017-05-12 | 2017-08-04 | 南京南瑞微电子技术有限公司 | A kind of method for improving broadband power line carrier power information collecting efficiency |
| CN111711471A (en) * | 2020-06-12 | 2020-09-25 | 江苏集能易新能源技术有限公司 | Method for realizing power line carrier communication ad hoc network |
| CN113517997A (en) * | 2021-03-31 | 2021-10-19 | 邦彦技术股份有限公司 | Network state query method and device based on fragments and storage medium |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904609A (en) * | 2012-06-14 | 2013-01-30 | 中国科学技术大学 | Networking method for integrated power line carrier communication network and topology network |
| CN102904609B (en) * | 2012-06-14 | 2014-12-17 | 中国科学技术大学 | Networking method for integrated power line carrier communication network and topology network |
| CN103051741A (en) * | 2012-12-18 | 2013-04-17 | 东南大学 | Internetworking method for wireless intelligent meter reading system |
| CN103281105B (en) * | 2013-06-17 | 2015-04-08 | 北京科技大学 | Carrier table Ad-Hoc network method based on low voltage power line |
| CN103281105A (en) * | 2013-06-17 | 2013-09-04 | 北京科技大学 | Carrier table Ad-Hoc network method based on low voltage power line |
| CN103345836A (en) * | 2013-06-17 | 2013-10-09 | 北京科技大学 | Ad-hoc network meter reading method based on low-voltage power line carrier wave |
| CN103345836B (en) * | 2013-06-17 | 2016-04-13 | 北京科技大学 | Based on the MANET meter register method of low voltage power line carrier |
| CN103312563B (en) * | 2013-06-24 | 2017-06-30 | 深圳市金正方科技股份有限公司 | Automatic information collection method and its system based on power line carrier communication |
| CN103312563A (en) * | 2013-06-24 | 2013-09-18 | 深圳市金正方科技股份有限公司 | Automatic information collection method and system based on power line carrier communication |
| CN103441781A (en) * | 2013-08-28 | 2013-12-11 | 江苏麦希通讯技术有限公司 | Power line carrier ad hoc network method and system |
| CN103441781B (en) * | 2013-08-28 | 2015-07-29 | 江苏麦希通讯技术有限公司 | Power line carrier ad hoc network and system |
| CN105451290A (en) * | 2014-08-20 | 2016-03-30 | 北京南瑞智芯微电子科技有限公司 | Micropower wireless network self-organizing method and micropower wireless network |
| CN105553514A (en) * | 2015-12-11 | 2016-05-04 | 华立科技股份有限公司 | Modem based on EURIDIS protocol |
| CN105721018B (en) * | 2016-01-27 | 2018-02-02 | 厦门中天微电子科技有限公司 | A kind of method for improving power line carrier centralized meter-reading system collection and copying efficiency |
| CN105721018A (en) * | 2016-01-27 | 2016-06-29 | 厦门中天微电子科技有限公司 | Method for improving centralized reading efficiency of power line carrier centralized reading system |
| CN106375480A (en) * | 2016-11-01 | 2017-02-01 | 北京博望华科科技有限公司 | Electric energy data real-time acquisition system and method based on distributed system |
| CN106453098A (en) * | 2016-12-05 | 2017-02-22 | 深圳市国电科技通信有限公司 | Automatic superimposed data collection algorithm based on network topology |
| CN106559345A (en) * | 2016-12-05 | 2017-04-05 | 深圳市国电科技通信有限公司 | Ranked data gathering algorithm based on network topology |
| CN106788595A (en) * | 2016-12-12 | 2017-05-31 | 上海云间半导体科技有限公司 | For the concentrator of the remote meter reading based on power line carrier |
| CN106873464A (en) * | 2017-03-22 | 2017-06-20 | 深圳市中航世星科技有限公司 | A kind of airborne distributed parallel computing environment of restructural and method |
| CN107017921A (en) * | 2017-05-12 | 2017-08-04 | 南京南瑞微电子技术有限公司 | A kind of method for improving broadband power line carrier power information collecting efficiency |
| CN111711471A (en) * | 2020-06-12 | 2020-09-25 | 江苏集能易新能源技术有限公司 | Method for realizing power line carrier communication ad hoc network |
| CN113517997A (en) * | 2021-03-31 | 2021-10-19 | 邦彦技术股份有限公司 | Network state query method and device based on fragments and storage medium |
| CN113517997B (en) * | 2021-03-31 | 2024-03-15 | 邦彦技术股份有限公司 | Network state query method and device based on fragmentation and storage medium |
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Application publication date: 20110921 |