CN101951338A - Free routing scheduling method suitable for cable ring network carrier communication - Google Patents
Free routing scheduling method suitable for cable ring network carrier communication Download PDFInfo
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Abstract
The invention discloses a free routing scheduling method suitable for cable ring network carrier communication. The method comprises the following steps that: any slave carrier machine can communicate with a No.1 master carrier machine and a No.2 master carrier machine; carrier communication management equipment polls two carrier communication networks at intervals; the slave carrier machine compares the signal intensity of carrier signals from the No.1 master carrier machine and the No.2 master carrier machine respectively, and transmits a state data packet to the master carrier machine with stronger signals; the No.1 master carrier machine and the No.2 master carrier machine respectively transmit a serial number of the slave carrier machine corresponding to the received state data packet to a distribution master station platform; the distribution master station platform brings the received serial number of the slave carrier machine into a slave carrier address list corresponding to a corresponding master carrier machine; and the No.1 master carrier machine and the No.2 master carrier machine respectively perform distribution automated data exchange with the slave carrier machine in the respective slave carrier address list. The method utilizes the characteristic that a cable ring network carrier has communication link cyclization, updates a slave carrier address list from time to time in a polling way, and realizes free routing.
Description
Technical field
The present invention relates to a kind of free routing scheduling method that is applicable to the cable ring-system carrier communication, belong to the power-line carrier communication field.
Background technology
Communication at 10KV ring main unit electrical power distribution automatization system at present needs, main employing optical fiber communication is solved, but 10KV ring main unit majority does not have low pressure 220V power supply, and because ring main unit is of a great variety, optical fiber digging laying task is heavy, factors such as equipment erecting bed complexity have brought huge difficulty all for the communication of 10KV ring main unit electrical power distribution automatization system.
Employing can be finished ring main unit power distribution automation communication task preferably by the means of power line carrier communication, power-line carrier communication (PLC), be in a kind of utilization, low-voltage network is as communication media, realizes the communication technology of Integrated Services Transmission such as data, speech, image.Utilize the proprietary channel condition of this unified power system of power line carrier to communicate, on-the-spot installation is simple, is a kind of means that solve power distribution automation communication the most easily.But be used for transmission of electric energy because power line is design, thereby do not have the necessary condition of communication link, what presented is a kind of strong noise, overdamp, abominable performances such as load variations is violent, impedance variation is big, frequency response unevenness.Though along with development of Communication Technique, power line carrier technology is developed rapidly and applies, communication still can be subjected to the influence of environment to a certain extent in application, when serious even temporary transient interruption that can occur communicating by letter.
Tradition principal and subordinate carrier networking is based on point-to-point mode and expands realization, as shown in Figure 1, main carrier 1 with from carrier wave 1, from carrier wave 2, form a carrier network from carrier wave 3, main carrier 1 is communicated by letter successively with from carrier wave 1,2,3 according to 1,2,3 order.At the looped network circuit, in order to ensure communication, often two main carriers (as shown in Figure 2) are installed: main carrier 1,2 in transformer station, be installed in the ring main unit from carrier wave, constitute two carrier communication networks respectively, two networks are logically isolated mutually, promptly 1 of main carrier with communicate by letter from carrier wave 1,2,3,2 of main carriers with communicate by letter from carrier wave 4,5,6.Like this, suppose P point carrier communication link down among the figure, just can not communicate by letter from carrier wave 3 so, just can't upload from the information of carrier wave 3 required transmission with main carrier 1.
Summary of the invention
To the objective of the invention is in order addressing the deficiencies of the prior art, a kind of free routing scheduling method that is applicable to the cable ring-system carrier communication to be provided, system can select available carrier communication path to realize communication reliably according to the structure of distribution network automatically.
In order to achieve the above object, a kind of free routing scheduling method that is applicable to the cable ring-system carrier communication of the present invention, hardware comprises: the distribution main website platform of Lian Jieing successively, the carrier communication management equipment, No. 1 main carrier machine that is connected with two communication port of described carrier communication management equipment respectively, No. 2 main carrier machines, and with respectively with No. 1 main carrier machine, No. 2 the main carrier machine is in the some from carrier terminal equipment of same carrier communication network, the characteristics of dispatching method are: in two carrier communication networks arbitrary from carrier terminal equipment all can with No. 1, No. 2 main carrier machine communication, the carrier communication management equipment is respectively by No. 1 main carrier machine, two carrier communication networks of No. 2 main carrier machine interval polls, from carrier terminal equipment to respectively from No. 1, the polling status of No. 2 main carrier machines detects the carrier signal of request package and carries out signal strength signal intensity relatively, the main carrier machine status data bag stronger to signal, No. 1, No. 2 main carrier machines will receive pairing the numbering from carrier terminal equipment of state data packets respectively and be sent to distribution main website platform, corresponding with corresponding main carrier machine by including in of will receiving of distribution main website platform from carrier address tabulation, No. 1 from carrier terminal equipment numbering, No. 2 main carrier machines carry out the power distribution automation exchanges data from carrier terminal equipment respectively with each in the carrier address tabulation.
Investigate fault fast for the ease of operating personnel, the numbering from carrier terminal equipment that belongs to a certain carrier communication network under initial state is included into tabulating from carrier address of another carrier communication network, the platform prompting of distribution main website should go offline original carrier communication network from carrier terminal equipment, and alarm.
The present invention utilizes the cable ring-system carrier wave to possess these characteristics of communication link one-tenth ring, regularly two carrier communication networks are carried out poll from carrier terminal equipment, and upgrade store in the distribution main website platform corresponding with network number, thereby realize free route from the carrier address table according to the state data packets situation returned; Meanwhile, distribution main website platform can provide and go offline from carrier terminal equipment numbering and alarm.
Further, if No. 1, No. 2 main carrier machines all do not receive a certain state data packets from carrier terminal equipment, then wave communication management equipment record should be numbered from carrier terminal equipment, and when opinion inquiry next time, it is repeated to issue the state request, still can not receive the state data packets that this is replied from carrier terminal equipment as two main carrier machines, then judge and to go offline from carrier terminal equipment, the carrier communication management equipment electric main website platform of providing and delivering on the carrier terminal equipment number information that will go offline, electric main website platform provide warning information and prompting and go offline and number from carrier terminal equipment.
Further, when belong under the initial state a certain carrier communication network be included into from carrier terminal equipment another carrier communication network from carrier address tabulation after, the main carrier machine of original carrier communication network repeats to issue the state request to this from carrier terminal equipment when poll, if receive the state data packets that sends from carrier terminal equipment by this, then this carrier terminal equipment numbering is sent to distribution main website platform, distribution main website platform will be somebody's turn to do from the carrier terminal equipment numbering lists tabulating from carrier address of primary carrier communication network in, and with its deletion from the carrier address tabulation from another carrier communication network.
As seen, ingenious conception of the present invention has utilized the characteristics of cable ring-system well, is cost to take a small amount of poll time, realizes free routing scheduling.After estimating to release, will be subjected to popular welcome in the industry, have good market prospects.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is traditional single channel principal and subordinate carrier networking structure chart.
Fig. 2 is a traditional cable looped network principal and subordinate carrier networking structure chart.
Fig. 3 is the embodiment of the invention 1 hardware block diagram.
Embodiment
Present embodiment is applicable to the free routing scheduling method of cable ring-system carrier communication, as shown in Figure 3, hardware comprises: the distribution main website platform of Lian Jieing successively, communication processor, in default two communication port of dispatching platform, suppose that port numbers is respectively 952,953, respectively corresponding No. 1 main carrier machine and No. 2 main carrier machines, No. 1 the main carrier machine is connected with the com1 of communication processor, No. 2 the main carrier machine is connected with the com2 of communication processor, with No. 1 main carrier machine be in same carrier communication network from carrier terminal equipment 1, from carrier terminal equipment 2, from carrier terminal equipment 3, with No. 2 main carrier machines be in same carrier communication network from carrier terminal equipment 4, from carrier terminal equipment 5, from carrier terminal equipment 6, the characteristics of dispatching method of the present invention are: in two carrier communication networks arbitrary from carrier terminal equipment all can with main carrier machine 1,2 communications of main carrier machine, communication processor is respectively by No. 1 main carrier machine, two carrier communication networks of No. 2 main carrier machine interval polls, from carrier terminal equipment the carrier signal that detects request package from the polling status of two main carrier machines is respectively carried out signal strength signal intensity relatively, the main carrier machine status data bag stronger to signal, two main carrier machines will receive pairing the numbering from carrier terminal equipment of state data packets respectively and be sent to distribution main website platform, corresponding to corresponding main carrier machine the carrier address tabulation by including in from carrier terminal equipment numbering of will receiving of distribution main website platform, two main carrier machines carry out the power distribution automation exchanges data from carrier terminal equipment respectively with each in the carrier address tabulation.
Network is divided and is seen Fig. 3 when initial, good from the carrier address table definition, as shown in table 1 with each network in advance at dispatching platform.
Table 1
| The platform port numbers | Network number | Supervisor string slogan | From the carrier address table |
| 952 | 1 | Com1 | 1、2、 3 |
| 953 | 2 | Com2 | 4、5、6 |
If the carrier communication link failure takes place in the P point among Fig. 3, dispatching platform can't have access to from carrier terminal equipment 3 via 952 ports, at this moment, dispatching platform will be from carrier terminal equipment 3 deletion and records from the carrier address table 952 port correspondences, simultaneously it is added into 953 port correspondences from the carrier address table, by main carrier machine 2 it is taken over visit, the variation of network configuration will show in platform software, for patrolling and examining the personnel inspection reference.
See Table 2 from carrier address after the renewal:
Table 2
| The platform port numbers | Network number | Supervisor string slogan | From the carrier address table |
| 952 | 1 | Com1 | 1、2 |
| 953 | 2 | Com2 | 3、4、5、6 |
Will be from carrier terminal equipment 3 from platform 952 port correspondences behind the carrier address list deletion, distribution main website platform still can be intermittently by 952 ports, via No. 1 main carrier machine to carrying out inquiry from carrier terminal equipment 3, in case communication failure reparation, from carrier terminal equipment 3 just to main carrier machine 1 return information, at this moment, distribution main website platform will from carrier terminal equipment 3 add again 952 port correspondences from the carrier address table, and from the carrier address table, deleting from 953 port correspondences.After communication failure is repaired, see Table 3 from carrier address after the renewal
Table 3
| The platform port numbers | Network number | Supervisor string slogan | From the carrier address table |
| 952 | 1 | Com1 | 1、2、3 |
| 953 | 2 | Com2 | 4、5、6 |
Above process is promptly finished freely dispatching of carrier wave looped network communication.
If No. 1 main carrier machine, No. 2 main carrier machines all do not receive a certain state data packets from carrier terminal equipment, then wave communication management equipment record should be numbered from carrier terminal equipment, and when opinion inquiry next time, it is repeated to issue the state request, still can not receive the state data packets that this is replied from carrier terminal equipment as two main carrier machines, then judge and to go offline from carrier terminal equipment, the carrier communication management equipment electric main website platform of providing and delivering on the carrier terminal equipment number information that will go offline, electric main website platform provide warning information and prompting and go offline and number from carrier terminal equipment.
For the practical application effect of the free routing scheduling of verifying the cable ring-system carrier communication, select Songjiang College Town, Shanghai transformer station of the institution of higher learning and No. 1～No. 10 ring main units of university city to carry out field experiment.When the disconnection of the somewhere in the looped network caused the physical pathway of carrier communication to change, the main website platform can be by other carrier communication path realization and communicating by letter of each ring main unit FTU; After the fault restoration, the ring main unit that goes offline is got back to original communication network again.The free routing scheduling of field experiment is realized re-set target.
In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of requirement of the present invention.
Claims (4)
1. free routing scheduling method that is applicable to the cable ring-system carrier communication, it is characterized in that: in two carrier communication networks arbitrary from carrier terminal equipment all can with No. 1, No. 2 main carrier machine communication, the carrier communication management equipment is respectively by No. 1 main carrier machine, two carrier communication networks of No. 2 main carrier machine interval polls, from carrier terminal equipment to respectively from No. 1, the polling status of No. 2 main carrier machines detects the carrier signal of request package and carries out signal strength signal intensity relatively, the main carrier machine status data bag stronger to signal, No. 1, No. 2 main carrier machines will receive pairing the numbering from carrier terminal equipment of state data packets respectively and be sent to distribution main website platform, corresponding with corresponding main carrier machine by including in of will receiving of distribution main website platform from carrier address tabulation, No. 1 from carrier terminal equipment numbering, No. 2 main carrier machines carry out the power distribution automation exchanges data from carrier terminal equipment respectively with each in the carrier address tabulation.
2. the free routing scheduling method that is applicable to the cable ring-system carrier communication according to claim 1, it is characterized in that: the numbering from carrier terminal equipment that belongs to a certain carrier communication network under initial state is included into tabulating from carrier address of another carrier communication network, the platform prompting of distribution main website should go offline original carrier communication network from carrier terminal equipment, and alarm.
3. the free routing scheduling method that is applicable to the cable ring-system carrier communication according to claim 1, it is characterized in that: if No. 1, No. 2 the main carrier machine does not all receive a certain state data packets from carrier terminal equipment, then wave communication management equipment record should be numbered from carrier terminal equipment, and when opinion inquiry next time, it is repeated to issue the state request, still can not receive the state data packets that this is replied from carrier terminal equipment as two main carrier machines, then judge and to go offline from carrier terminal equipment, the carrier communication management equipment electric main website platform of providing and delivering on the carrier terminal equipment number information that will go offline, electric main website platform provide warning information and prompting and go offline and number from carrier terminal equipment.
4. the free routing scheduling method that is applicable to the cable ring-system carrier communication according to claim 1, it is characterized in that: when belong under the initial state a certain carrier communication network be included into from carrier terminal equipment another carrier communication network from carrier address tabulation after, the main carrier machine of original carrier communication network repeats to issue the state request to this from carrier terminal equipment when poll, if receive the state data packets that sends from carrier terminal equipment by this, then this carrier terminal equipment numbering is sent to distribution main website platform, distribution main website platform will be somebody's turn to do from the carrier terminal equipment numbering lists tabulating from carrier address of primary carrier communication network in, and with its deletion from the carrier address tabulation from another carrier communication network.
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| CN2010102808819A CN101951338B (en) | 2010-09-14 | 2010-09-14 | Free routing scheduling method suitable for cable ring network carrier communication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571519A (en) * | 2010-12-08 | 2012-07-11 | 上海市电力公司 | Intelligent scheduling device suitable for carrier communication of ring distribution network and method therefor |
| CN104660445A (en) * | 2015-01-21 | 2015-05-27 | 国家电网公司 | Power line carrier system based on path cognition and networking method thereof |
| CN105245251A (en) * | 2015-08-27 | 2016-01-13 | 陕西科技大学 | Data buffer method based on carrier communication |
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| US20050017848A1 (en) * | 2003-07-24 | 2005-01-27 | Hunt Technologies, Inc. | Endpoint receiver system |
| CN101216982A (en) * | 2007-12-29 | 2008-07-09 | 深圳市科陆电子科技股份有限公司 | A 2D relay-type automatic route meter reading method and carrier route dynamic maintenance method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571519A (en) * | 2010-12-08 | 2012-07-11 | 上海市电力公司 | Intelligent scheduling device suitable for carrier communication of ring distribution network and method therefor |
| CN102571519B (en) * | 2010-12-08 | 2014-08-20 | 上海市电力公司 | Intelligent scheduling device suitable for carrier communication of ring distribution network and method therefor |
| CN104660445A (en) * | 2015-01-21 | 2015-05-27 | 国家电网公司 | Power line carrier system based on path cognition and networking method thereof |
| CN104660445B (en) * | 2015-01-21 | 2017-11-21 | 国家电网公司 | Power line carrier system and its network-building method based on path cognition |
| CN105245251A (en) * | 2015-08-27 | 2016-01-13 | 陕西科技大学 | Data buffer method based on carrier communication |
| CN105245251B (en) * | 2015-08-27 | 2018-06-01 | 陕西科技大学 | A kind of data buffering method based on carrier communication |
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Owner name: NANJING NARI CO., LTD. STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: NANJING NARI CO., LTD. Effective date: 20130131 |
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Effective date of registration: 20171109 Address after: 211106 Jiangning City, Nanjing Province, the integrity of the road No. 19, Co-patentee after: NARI Technology Development Co., Ltd. Patentee after: State Grid Electric Power Research Insititute Co-patentee after: State Grid Corporation of China Address before: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Co-patentee before: Nanjing Nari Co., Ltd. Patentee before: State Grid Electric Power Research Insititute Co-patentee before: State Grid Corporation of China |
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