CN104660445B - Power line carrier system and its network-building method based on path cognition - Google Patents

Power line carrier system and its network-building method based on path cognition Download PDF

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Publication number
CN104660445B
CN104660445B CN201510029853.2A CN201510029853A CN104660445B CN 104660445 B CN104660445 B CN 104660445B CN 201510029853 A CN201510029853 A CN 201510029853A CN 104660445 B CN104660445 B CN 104660445B
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carrier
carrier equipment
equipment
network
backup path
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CN104660445A (en
Inventor
罗先南
樊强
何迎利
张立武
蔡世龙
高雪
王博龙
许超
孟凡博
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State Grid Corp of China SGCC
NARI Group Corp
Nari Information and Communication Technology Co
Information and Telecommunication Branch of State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
Nari Information and Communication Technology Co
Nanjing NARI Group Corp
Information and Telecommunication Branch of State Grid Liaoning Electric Power Co Ltd
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Publication of CN104660445A publication Critical patent/CN104660445A/en
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Abstract

The invention discloses a kind of power line carrier system based on path cognition, including main carrier equipment, some from carrier equipment and some backup path carrier equipments, main carrier equipment is connected by wire transmission network with distribution system, and backup path carrier equipment is connected by cordless communication network with distribution system;It is used to send backup certification to backup path carrier equipment according to communication link state from carrier equipment, backup path carrier equipment is used for when main carrier equipment first line of a couplet passage is invalid or main carrier equipment fault, elect a backup path carrier equipment to switch to main carrier equipment from some backup path carrier equipments according to the backup authentication number of reception, carry out path switching.Present invention also offers a kind of network-building method of the power line carrier system based on path cognition.The present invention realizes radio communication and merged with power line carrier communication, improves the robustness and stability of adapted electricity site communication.

Description

Power line carrier system and its network-building method based on path cognition
Technical field
The present invention relates to power line carrier technology field, more particularly to a kind of power line carrier system based on path cognition And its network-building method.
Background technology
Radio communication can be applicable to adapted electrical domain with power line carrier communication, and power line carrier is by Power grid structure Have a great influence, when changes such as power network supply path switchings, power line carrier communication can be caused to interrupt, and radio communication is bullied Time, surrounding enviroment influence more serious.At this stage by part adapted power station point establish wirelessly with power line carrier two kinds communicate Mode, realize that radio communication merges with power line carrier communication, more datas upload paths can be made optional, improve adapted power station point Communication robustness and stability.But existing medium-voltage carrier network mainly uploads path using the more networkings by the way of of 1 master, data Only by main carrier device forwards, it is difficult to realize that radio communication merges with power line carrier communication.
Band is narrowed in a kind of networking based on carrier wave time service of Patent No. CN201310674537.1 disclosure of the invention Power line carrier equipment, including main carrier equipment and from carrier equipment, the main carrier equipment is by using RJ45 network interfaces It is connected with electrical power distribution automatization system, is connected from carrier equipment by using RJ45 network interfaces with distribution power automation terminal.Therefore It is using being equally the more networkings by the way of of 1 master, it is impossible to realizes that radio communication merges with power line carrier communication.
The content of the invention
The technical problems to be solved by the invention are, there is provided it is a kind of based on path cognition power line carrier system and its Network-building method, realize radio communication and merged with power line carrier communication, make data upload path a plurality of optional, improve adapted The robustness and stability of electric site communication.
In order to solve the above-mentioned technical problem, the invention provides a kind of power line carrier system based on path cognition, bag Include main carrier equipment, some pass through wire transmission from carrier equipment and some backup path carrier equipments, the main carrier equipment Network is connected with distribution system, and the backup path carrier equipment is connected by cordless communication network with distribution system;Institute State main carrier equipment, some be connected to from carrier equipment and some backup path carrier equipments on power line;
The main carrier equipment is used to forward data to upload path, described to be used for from carrier equipment according to communication link state Backup certification is sent to backup path carrier equipment, the backup path carrier equipment is used for the UNICOM in the main carrier equipment Road is invalid or during main carrier equipment fault, one is elected from some backup path carrier equipments according to the backup authentication number of reception Individual backup path carrier equipment switches to main carrier equipment, carries out path switching.
Further, be loaded with the processor of the main carrier equipment carrier wave analog circuit control unit, authentication unit, Carrier wave network address administrative unit and activestandby state monitoring unit, authentication unit is loaded with the processor from carrier equipment With link communication condition monitoring unit, authentication unit is loaded with the processor of the backup path carrier equipment and backs up main load Ripple recommendation unit;
The carrier wave analog circuit control unit is used for the main carrier equipment and controls the AFE(analog front end) to carry out data Analog-to-digital conversion and modulation /demodulation;
The authentication unit of the main carrier equipment periodically issues networking authentication data frame for the main carrier equipment, and Receive the networking sent according to the networking authentication data frame from carrier equipment or backup path carrier equipment to ask, and return and recognize Card response, carrier network is formed after the carrier equipment certification of required networking;
It is described to be used for from the authentication unit of carrier equipment or the backup path carrier equipment according to the networking certification number According to frame, the request that networks is sent to the main carrier equipment, and receive the authentication response of return;
The carrier wave network address administrative unit is used for each carrier wave in the main carrier equipment collection carrier network and set Standby MAC Address, and network address and the MAC Address binding of each carrier equipment are distributed, the network address of distribution is issued afterwards To the address table that the carrier equipment of the carrier network from carrier equipment or backup path carrier equipment, is recorded in network and under Issue all backup path carrier equipments;
The link communication condition monitoring unit is for described in from carrier equipment according between backup path carrier equipment Communication link on carrier signal it is strong and weak judge communication link state, and to the best backup path carrier wave of communication link state Equipment sends backup certification;
The activestandby state monitoring unit be used for the main carrier equipment by independently perceive first line of a couplet passage it is invalid or this Start active-standby switch process when body breaks down, and to backup path carrier equipment broadcast transmission master/slave switchover command frame;
The backup main carrier recommendation unit is cut for backup path carrier equipment according to the activestandby state received Command frame is changed, selection receives the most backup path carrier equipment of backup certification and activated as current main carrier equipment.
Further, the main carrier equipment, it is some from carrier equipment and some backup path carrier equipments be all internal Hardware configuration identical carrier equipment, all including processor, memory, power module, Ethernet chip, AFE(analog front end) and equipment Interface, the processor are connected with the memory, power module, Ethernet chip and AFE(analog front end) respectively, and the equipment connects Mouth includes power interface, configuration interface, data-interface, network interface, and the power interface is connected with the power module, described Network interface is connected with the Ethernet chip, it is described configuration interface be connected with the processor, the data-interface with it is described AFE(analog front end) connects.
Further, the main carrier equipment is connected especially by optical fiber transmission network with distribution system.
Further, the main carrier equipment is connected by network interface with optical fiber transmission network, and the backup path carries Wave device is connected by network interface with cordless communication network.
Further, the network interface is specially RJ45 network interfaces.
Present invention also offers a kind of network-building method of the power line carrier system based on path cognition, the network-building method It is based on the above-mentioned power line carrier system based on path cognition;Then the network-building method includes:
The main carrier equipment periodically issues networking authentication data frame, described from carrier equipment or the backup path carrier wave Equipment sends the request that networks, the main carrier equipment receives institute according to the networking authentication data frame to the main carrier equipment Networking request is stated, and return authentication is responded, and carrier network is formed after the carrier equipment certification of required networking;
The main carrier equipment collects the MAC Address of each carrier equipment in the carrier network, and distribute network address with The MAC Address binding of each carrier equipment, afterwards by the network address of distribution be handed down in carrier network from carrier equipment or standby Part path carrier equipment, records the address table of the carrier equipment of the carrier network and is handed down to all backup path carrier waves and set It is standby;
It is described to be sentenced from carrier equipment according to the carrier signal power on the communication link between backup path carrier equipment Disconnected communication link state, and send backup certification to the best backup path carrier equipment of communication link state;
When the main carrier equipment is invalid or when breaking down in itself by independently perceiving first line of a couplet passage, start active and standby cuts Change process, and to backup path carrier equipment broadcast transmission master/slave switchover command frame;
According to the master/slave switchover command frame received, selection receives backup and recognized the backup path carrier equipment It is current main carrier equipment to demonstrate,prove most backup path carrier equipment activation.
Wherein, it is described from carrier equipment or the backup path carrier equipment according to the networking authentication data frame, to institute State main carrier equipment and send the request that networks, the main carrier equipment receives the request that networks, and return authentication responds, specific bag Include:
It is described from carrier equipment or the backup path carrier equipment according to the networking authentication data frame, intercept circuit number According to wait passage free time, to main carrier equipment transmission authentication request packet;
The main carrier equipment receives the authentication request packet, waits passage free time, issues certification request confirmation Infomational message;
It is described to receive the certification request confirmation message from carrier equipment or the backup path carrier equipment, and send certainly The authentication information message of body;
After the main carrier equipment receives authentication information message, return authentication validation of information message, verification process is completed.
Wherein, the main carrier equipment collects the MAC Address of each carrier equipment in the carrier network, and with distributing network The MAC Address of location and each carrier equipment is bound, afterwards by the network address of distribution be handed down in carrier network from carrier equipment Or backup path carrier equipment, specifically include:
Address requests message is sent to main carrier equipment from carrier equipment or backup path carrier equipment, wherein, describedly Location request message includes the MAC Address of carrier equipment;
The main carrier equipment receives the Address requests message, and distributes network address with the MAC of each carrier equipment Location is bound, and issues address allocation information message afterwards extremely from carrier equipment or backup path carrier equipment, wherein, the address point With the network address that distribution is contained in infomational message;
The address allocation information message, return address confirmation are received from carrier equipment or backup path carrier equipment Message;
The main carrier equipment receives the address validation information message, and return address confirmation message responds, and completes ground Location is distributed.
Wherein, it is described strong according to the carrier signal on the communication link between backup path carrier equipment from carrier equipment Weak judgement communication link state, and backup certification is sent to the best backup path carrier equipment of communication link state, specific bag Include:
Carrier wave analog signal electricity on the communication link for receiving between backup path carrier equipment from carrier equipment It is flat, record nearly 3 level A1, A2, A3 and do weighted calculation, take the result A of weighted calculation to round signal intensity for communication link Grade I, wherein I=[A]=[A1 × 1/6+A2 × 1/3+A3 × 1/2];
The backup path carrier equipment conduct corresponding to signal strength scale highest communication link is chosen from carrier equipment The best backup path carrier equipment of communication link state, and initiate backup certification to the backup path carrier equipment.
Implement the present invention, have the advantages that:The present invention constitutes power line by the way of one master and multiple slaves prepare more Carrier system, the main carrier equipment are connected by wire transmission network with distribution system, the backup path carrier equipment It is connected by cordless communication network with distribution system;It is the main carrier equipment, some from carrier equipment and some backup paths Carrier equipment is connected on power line, is realized radio communication and is merged with power line carrier communication, data is uploaded path more Bar is optional.When main carrier equipment or wired paths failure, backup path carrier equipment is enabled as main carrier equipment, is improved The robustness and stability of adapted electricity site communication.
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 required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the system block diagram of one embodiment of the power line carrier system provided by the invention based on path cognition;
Fig. 2 is the structural representation of carrier equipment;
Fig. 3 is one embodiment of the network-building method of the power line carrier system provided by the invention based on path cognition Schematic flow sheet;
Fig. 4 is the timing diagram of step S201 in Fig. 3;
Fig. 5 is the timing diagram of step S202 in Fig. 3;
Fig. 6 is the schematic diagram of address table;
Fig. 7 is the carrier wave analog signal level record sheet on communication link.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Fig. 1 is the system block diagram of one embodiment of the power line carrier system provided by the invention based on path cognition, As shown in figure 1, including main carrier equipment, some from carrier equipment (being illustrated as 3) and some backup path carrier equipments (diagram For 2), the main carrier equipment is connected by wire transmission network (being specially light transmission network) with distribution system, institute Backup path carrier equipment is stated by cordless communication network with distribution system to be connected;It is the main carrier equipment, some from carrier wave Equipment and some backup path carrier equipments are connected on power line.The main carrier equipment is used to forward data to upload road Footpath, it is described to be used to send backup certification, the backup to backup path carrier equipment according to communication link state from carrier equipment Path carrier equipment is used for when the main carrier equipment first line of a couplet passage is invalid or main carrier equipment fault, according to the backup of reception Authentication number elects a backup path carrier equipment to switch to main carrier equipment from some backup path carrier equipments, carries out Path switches.
Wherein, as shown in Fig. 2 the main carrier equipment, it is some from carrier equipment and some backup path carrier equipments all It is internal hardware structure identical carrier equipment, all including processor, memory, power module, Ethernet chip, AFE(analog front end) And equipment interface, the processor is connected with the memory, power module, Ethernet chip and AFE(analog front end) respectively, described Equipment interface includes power interface, configuration interface, data-interface, network interface, and the power interface connects with the power module Connect, the network interface is connected with the Ethernet chip, and the configuration interface is connected with the processor, the data-interface It is connected with the AFE(analog front end).The main carrier equipment is connected by network interface with optical fiber transmission network, the backup path Carrier equipment is connected by network interface with cordless communication network.Network interface is specially RJ45 network interfaces.
Carrier wave analog circuit control unit, authentication unit, carrier network are loaded with the processor of the main carrier equipment Address administration unit and activestandby state monitoring unit, authentication unit is loaded with the processor from carrier equipment and link leads to Believe condition monitoring unit, authentication unit is loaded with the processor of the backup path carrier equipment and backup main carrier recommends list Member;
The carrier wave analog circuit control unit is used for the main carrier equipment and controls the AFE(analog front end) to carry out data Analog-to-digital conversion and modulation /demodulation;
The authentication unit of the main carrier equipment periodically issues networking authentication data frame for the main carrier equipment, and Receive the networking sent according to the networking authentication data frame from carrier equipment or backup path carrier equipment to ask, and return and recognize Card response, carrier network is formed after the carrier equipment certification of required networking;
It is described to be used for from the authentication unit of carrier equipment or the backup path carrier equipment according to the networking certification number According to frame, the request that networks is sent to the main carrier equipment, and receive the authentication response of return;
The carrier wave network address administrative unit is used for each carrier wave in the main carrier equipment collection carrier network and set Standby MAC Address, and network address and the MAC Address binding of each carrier equipment are distributed, the network address of distribution is issued afterwards To the address table that the carrier equipment of the carrier network from carrier equipment or backup path carrier equipment, is recorded in network and under Issue all backup path carrier equipments;
The link communication condition monitoring unit is for described in from carrier equipment according between backup path carrier equipment Communication link on carrier signal it is strong and weak judge communication link state, and to the best backup path carrier wave of communication link state Equipment sends backup certification;
The activestandby state monitoring unit be used for the main carrier equipment by independently perceive first line of a couplet passage it is invalid or this Start active-standby switch process when body breaks down, and to backup path carrier equipment broadcast transmission master/slave switchover command frame;
The backup main carrier recommendation unit is cut for backup path carrier equipment according to the activestandby state received Command frame is changed, selection receives the most backup path carrier equipment of backup certification and activated as current main carrier equipment.
Fig. 3 is one embodiment of the network-building method of the power line carrier system provided by the invention based on path cognition Schematic flow sheet, the network-building method are based on the above-mentioned power line carrier system based on path cognition;The then networking Method includes:
S201, the main carrier equipment periodically issue networking authentication data frame, described from carrier equipment or the backup road Footpath carrier equipment sends the request that networks, the main carrier equipment according to the networking authentication data frame to the main carrier equipment The request that networks is received, and return authentication is responded, and carrier network is formed after the carrier equipment certification of required networking Network.
Specifically, as shown in figure 4, step S201 includes step:The main carrier equipment periodically issues networking authentication data Frame, it is described from carrier equipment or the backup path carrier equipment according to the networking authentication data frame, intercept track data, etc. Passage free time is treated, authentication request packet is sent to main carrier equipment;Main carrier equipment receives authentication request packet, waits logical Road free time, certification request confirmation message is issued, certification is received from carrier equipment or the backup path carrier equipment Confirmation message is asked, sends the authentication information message of itself;After main carrier equipment receives authentication information message, authentication information is issued Confirmation message, complete verification process.
S202, the main carrier equipment collect the MAC Address of each carrier equipment in the carrier network, and with distributing network The MAC Address of location and each carrier equipment is bound, afterwards by the network address of distribution be handed down in carrier network from carrier equipment Or backup path carrier equipment, record the address table of the carrier equipment of the carrier network and be handed down to all backup path loads Wave device.
Specifically, as shown in figure 5, step S202 includes step:From carrier equipment or backup path carrier equipment to main load Wave device sends Address requests message, and Address requests message includes the MAC Address of carrier equipment;Main carrier equipment receiving device Location request message, and network address and the MAC Address binding of each carrier equipment are distributed, address allocation information message is issued afterwards extremely From carrier equipment or backup path carrier equipment, the network address of distribution is contained in address allocation information message;Set from carrier wave Standby or backup path carrier equipment receives address allocation information message, return address confirmation message;Main carrier equipment receives Address validation information message, and return address confirmation message responds, and completes address distribution.The carrier wave for recording carrier network afterwards is set Standby address table is simultaneously handed down to all backup path carrier equipments.Specific address table is as shown in Figure 6.
It is S203, described strong according to the carrier signal on the communication link between backup path carrier equipment from carrier equipment Weak judgement communication link state, and send backup certification to the best backup path carrier equipment of communication link state;
Specifically, step S203 includes:The communication chain received from carrier equipment between backup path carrier equipment Carrier wave analog signal level on road, record nearly 3 level A1, A2, A3 and do weighted calculation, take the result A of weighted calculation to round For the signal strength scale I of communication link, wherein I=[A]=[A1 × 1/6+A2 × 1/3+A3 × 1/2];Selected from carrier equipment Take standby best as communication link state of the backup path carrier equipment corresponding to signal strength scale highest communication link Part path carrier equipment, and initiate backup certification to the backup path carrier equipment.
For example, certain is received from carrier equipment and the communication between backup path carrier equipment 1 and backup path carrier equipment 2 Carrier wave analog signal level on link, level three times is as shown in fig. 7, backup path carrier equipment 1, then backup path carrier wave The signal strength scale I1 of equipment 1 is:
I1=[11.8 × 1/6+12.2 × 1/3+12.6 × 1/2]=[12.33]=12
The signal strength scale I2 of backup path carrier equipment 2 is:
I2=[13.2 × 1/6+12.6 × 1/3+12.8 × 1/2]=[12.8]=13
I2>I1, then initiate backup certification to the backup path carrier equipment 2.
S204, when the main carrier equipment is invalid or when breaking down in itself by independently perceiving first line of a couplet passage, start Active-standby switch process, and to backup path carrier equipment broadcast transmission master/slave switchover command frame.
S205, the backup path carrier equipment receive according to the master/slave switchover command frame received, selection The most backup path carrier equipment activation of backup certification is current main carrier equipment.
Implement the present invention, have the advantages that:The present invention constitutes power line by the way of one master and multiple slaves prepare more Carrier system, the main carrier equipment are connected by wire transmission network with distribution system, the backup path carrier equipment It is connected by cordless communication network with distribution system;It is the main carrier equipment, some from carrier equipment and some backup paths Carrier equipment is connected on power line, is realized radio communication and is merged with power line carrier communication, data is uploaded path more Bar is optional.When main carrier equipment or wired paths failure, backup path carrier equipment is enabled as main carrier equipment, is improved The robustness and stability of adapted electricity site communication.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row His property includes, so that process, method, article or device including a series of elements not only include those key elements, and And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this Other identical element also be present in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In several embodiments provided herein, it should be understood that disclosed system and method can pass through it Its mode is realized.For example, system embodiment described above is only schematical, for example, the division of the unit, only Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be tied Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or unit Letter connection, can be electrical, mechanical or other forms.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty Technical staff can realize described function using distinct methods to each specific application, but this realization should not Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (10)

1. a kind of power line carrier system based on path cognition, it is characterised in that including main carrier equipment, some set from carrier wave Standby and some backup path carrier equipments, the main carrier equipment is connected by wire transmission network with distribution system, described Backup path carrier equipment is connected by cordless communication network with distribution system;The main carrier equipment, some set from carrier wave Standby and some backup path carrier equipments are connected on power line;
The main carrier equipment is used to forward data to upload path, described to be used for from carrier equipment according to communication link state to standby Part path carrier equipment sends backup certification, the backup path carrier equipment for the main carrier equipment first line of a couplet passage without Effect or during main carrier equipment fault, elected according to the backup authentication number of reception from some backup path carrier equipments one it is standby Part path carrier equipment switches to main carrier equipment, carries out path switching.
2. the power line carrier system as claimed in claim 1 based on path cognition, it is characterised in that the main carrier equipment Processor on be loaded with carrier wave analog circuit control unit, authentication unit, carrier wave network address administrative unit and activestandby state Monitoring unit, authentication unit and link communication condition monitoring unit are loaded with the processor from carrier equipment, it is described standby Authentication unit and backup main carrier recommendation unit are loaded with the processor of part path carrier equipment;
The carrier wave analog circuit control unit is used for the analog-to-digital conversion that main carrier equipment control AFE(analog front end) carries out data And modulation /demodulation;
The authentication unit of the main carrier equipment periodically issues networking authentication data frame for the main carrier equipment, and receives The networking sent from carrier equipment or backup path carrier equipment according to the networking authentication data frame is asked, and return authentication rings Should, form carrier network after the carrier equipment certification of required networking;
It is described to be used for from the authentication unit of carrier equipment or the backup path carrier equipment according to the networking authentication data frame, The request that networks is sent to the main carrier equipment, and receives the authentication response of return;
The carrier wave network address administrative unit is used for the main carrier equipment and collects each carrier equipment in the carrier network MAC Address, and network address and the MAC Address binding of each carrier equipment are distributed, the network address of distribution is handed down to load afterwards In wave network from carrier equipment or backup path carrier equipment, record the carrier equipment of the carrier network address table and under Issue all backup path carrier equipments;
The link communication condition monitoring unit is for described in from carrier equipment according to logical between backup path carrier equipment Carrier signal on letter link is strong and weak to judge communication link state, and to the best backup path carrier equipment of communication link state Send backup certification;
The activestandby state monitoring unit is used for the main carrier equipment, and by independently perceiving, first line of a couplet passage is invalid or itself sends out Start active-standby switch process during raw failure, and to backup path carrier equipment broadcast transmission master/slave switchover command frame;
The backup main carrier recommendation unit is used for backup path carrier equipment orders according to the master/slave switchover received Frame is made, selection receives the most backup path carrier equipment of backup certification and activated as current main carrier equipment.
3. the power line carrier system as claimed in claim 2 based on path cognition, it is characterised in that the main carrier is set Standby, some from carrier equipment and some backup path carrier equipments is all internal hardware structure identical carrier equipment, is all included Processor, memory, power module, Ethernet chip, AFE(analog front end) and equipment interface, the processor respectively with the storage Device, power module, Ethernet chip connect with AFE(analog front end), and the equipment interface includes power interface, configuration interface, data and connect Mouth and network interface, the power interface are connected with the power module, and the network interface is connected with the Ethernet chip, The configuration interface is connected with the processor, and the data-interface is connected with the AFE(analog front end).
4. the power line carrier system based on path cognition as described in claim 1 or 2 or 3, it is characterised in that the main load Wave device is connected especially by optical fiber transmission network with distribution system.
5. the power line carrier system as claimed in claim 4 based on path cognition, it is characterised in that the main carrier equipment It is connected by network interface with optical fiber transmission network, the backup path carrier equipment passes through network interface and cordless communication network Connection.
6. the power line carrier system as claimed in claim 5 based on path cognition, it is characterised in that the network interface tool Body is RJ45 network interfaces.
7. a kind of network-building method of power line carrier system based on path cognition as described in claim 1 or 2 or 3, it is special Sign is, including:
The main carrier equipment periodically issues networking authentication data frame, described from carrier equipment or the backup path carrier equipment According to the networking authentication data frame, the request that networks is sent to the main carrier equipment, is entered described in the main carrier equipment reception Net request, and return authentication is responded, and carrier network is formed after the carrier equipment certification of required networking;
The main carrier equipment collects the MAC Address of each carrier equipment in the carrier network, and distributes network address and each load Wave device MAC Address binding, afterwards by the network address of distribution be handed down in carrier network from carrier equipment or backup road Footpath carrier equipment, record the address table of the carrier equipment of the carrier network and be handed down to all backup path carrier equipments;
It is described to judge to lead to according to the carrier signal on the communication link between backup path carrier equipment is strong and weak from carrier equipment Believe Link State, and backup certification is sent to the best backup path carrier equipment of communication link state;
When the main carrier equipment is invalid or when breaking down in itself by independently perceiving first line of a couplet passage, start active-standby switch mistake Journey, and to backup path carrier equipment broadcast transmission master/slave switchover command frame;
The backup path carrier equipment receives backup certification most according to the master/slave switchover command frame received, selection More backup path carrier equipment activation are current main carrier equipment.
8. the network-building method of the power line carrier system as claimed in claim 7 based on path cognition, it is characterised in that described From carrier equipment or the backup path carrier equipment according to the networking authentication data frame, transmitted into the main carrier equipment Net request, the main carrier equipment receives the request that networks, and return authentication responds, and specifically includes:
It is described from carrier equipment or the backup path carrier equipment according to the networking authentication data frame, intercept track data, Passage free time is waited, authentication request packet is sent to main carrier equipment;
The main carrier equipment receives the authentication request packet, waits passage free time, issues certification request confirmation Message;
It is described to receive the certification request confirmation message from carrier equipment or the backup path carrier equipment, and send itself Authentication information message;
After the main carrier equipment receives authentication information message, return authentication validation of information message, verification process is completed.
9. the network-building method of the power line carrier system as claimed in claim 7 based on path cognition, it is characterised in that described Main carrier equipment collects the MAC Address of each carrier equipment in the carrier network, and distributes network address and each carrier equipment MAC Address is bound, and the network address of distribution is handed down into being set from carrier equipment or backup path carrier wave in carrier network afterwards It is standby, specifically include:
Address requests message is sent to main carrier equipment from carrier equipment or backup path carrier equipment, wherein, the address please Message is asked to include the MAC Address for the carrier equipment for sending Address requests message;
The main carrier equipment receives the Address requests message, and distributes network address and the MAC Address of each carrier equipment is tied up It is fixed, address allocation information message is issued afterwards extremely from carrier equipment or backup path carrier equipment, wherein, the address distribution letter The network address of distribution is contained in breath message;
The address allocation information message, return address confirmation report are received from carrier equipment or backup path carrier equipment Text;
The main carrier equipment receives the address validation information message, and return address confirmation message responds, and completes address point Match somebody with somebody.
10. the network-building method of the power line carrier system as claimed in claim 7 based on path cognition, it is characterised in that institute State from carrier equipment according to the carrier signal on the communication link between backup path carrier equipment is strong and weak and judge communication link State, and backup certification is sent to the best backup path carrier equipment of communication link state, specifically include:
Carrier wave analog signal level on the communication link for receiving between backup path carrier equipment from carrier equipment, note Record nearly 3 level A1, A2, A3 and do weighted calculation, obtain the result A of weighted calculation, A is rounded as signal intensity of communication link etc. Level I, wherein I=[A]=[A1 × 1/6+A2 × 1/3+A3 × 1/2];
The backup path carrier equipment corresponding to signal strength scale highest communication link is chosen from carrier equipment and is used as communication The best backup path carrier equipment of Link State, and initiate backup certification to the backup path carrier equipment.
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Publication number Priority date Publication date Assignee Title
CN104993847B (en) * 2015-07-03 2017-09-29 新开普电子股份有限公司 A kind of dynamic reconfigurable power line carrier communication network-building method and carrier communication module
CN106301475B (en) * 2016-09-22 2020-04-21 湖南华烨智能通信技术股份有限公司 System, bridging node and method based on power line carrier communication
CN106533502B (en) * 2016-10-17 2017-08-25 长安大学 Circuit multiplexer and line sharing system in a kind of electric control system
CN106788593A (en) * 2016-12-02 2017-05-31 全球能源互联网研究院 A kind of Convergence gateway system towards electric power terminal communication access net
CN111884681B (en) * 2020-06-20 2022-04-08 青岛鼎信通讯股份有限公司 Intelligent distributed type rapid FA communication method based on power line carrier
CN112333091A (en) * 2020-11-05 2021-02-05 中国联合网络通信集团有限公司 Routing system, method and device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101951338A (en) * 2010-09-14 2011-01-19 国网电力科学研究院 Free routing scheduling method suitable for cable ring network carrier communication
CN102255807A (en) * 2011-07-07 2011-11-23 浙江大学 Multipath segmental routing method based on multihop network with master-slave structure
CN102710521A (en) * 2012-06-08 2012-10-03 科大智能科技股份有限公司 Power line carrier communication system, master carrier and slave carrier for intermediate-voltage distribution network
CN103647627A (en) * 2013-12-11 2014-03-19 国家电网公司 Networked medium voltage narrow band power line carrier device based on carrier timing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101951338A (en) * 2010-09-14 2011-01-19 国网电力科学研究院 Free routing scheduling method suitable for cable ring network carrier communication
CN102255807A (en) * 2011-07-07 2011-11-23 浙江大学 Multipath segmental routing method based on multihop network with master-slave structure
CN102710521A (en) * 2012-06-08 2012-10-03 科大智能科技股份有限公司 Power line carrier communication system, master carrier and slave carrier for intermediate-voltage distribution network
CN103647627A (en) * 2013-12-11 2014-03-19 国家电网公司 Networked medium voltage narrow band power line carrier device based on carrier timing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中压电力线载波IP 组网技术研究;张辉,金燊,闫磊,罗先南;《电力信息与通信技术》;20140515;第12卷(第5期);正文第35-37页 *

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