CN104936311B - A kind of wireless networking system and method for electric system - Google Patents
A kind of wireless networking system and method for electric system Download PDFInfo
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- CN104936311B CN104936311B CN201410668012.1A CN201410668012A CN104936311B CN 104936311 B CN104936311 B CN 104936311B CN 201410668012 A CN201410668012 A CN 201410668012A CN 104936311 B CN104936311 B CN 104936311B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of wireless networking system of electric system and methods.The system comprises：LTE base station module, Net MUX, LTE node modules and electric power frequency band network node module, the special frequency band network of electric power can be passed through in current complicated geographical location, such as basement, it is linked into the concentrator of the present invention, it is interconnected with outdoor LTE network, not needing the covering of these complicated positions completion LTE effectively reduces the networking cost of LTE power network, increases the network capacity of overall network.
Description
Technical field
The present invention relates to field of power communication more particularly to the wireless networking systems and method of a kind of electric system.
Background technology
Power communication system is the important component of intelligent grid.Since mobile communication technology realizes number in electric system
The spies such as small designated lane, construction investment, broad covered area, easy to maintain, flexible for installation need not be established by having according to the mode of transmission
Point achieves preferable effect in fields such as remote meter reading, spatial load forecasting and scheduling.LTE compare applied GPRS,
GSM, 3G etc. have higher transmission rate, more safe and reliable performance, can be provided for the construction of intelligent grid comprehensive
Communication service.
Application advantages of the LTE in intelligent grid is mainly manifested in：The data transmission bauds of high speed meets electric system
The requirement of bulk information data transmission, the reliable data interaction of high speed are that intelligent grid is compatible with various kinds of equipment and provides openly
Reliable communication mechanism；The safety and reliability of LTE is to meet intelligent grid defence information attack, improves information security, carries
The important guarantee of high self-healing ability, for intelligent control, load scheduling, electric power first-aid, intelligent demand side management provide it is accurate, can
It leans on, real-time data information.
In view of the advantage of above-mentioned LTE, current intelligent electric power communication network uses the networking mode of LTE, each communication node
All LTE is used to access, still, there are problems for this simple networking mode for relying on LTE, due to matching network operation service distribution
Range is wide, communication point is more, working environment is poor, causes networking difficulty big, networking is of high cost.
Therefore, the prior art needs further to be improved.
Invention content
Problem to be solved by this invention is, provides a kind of wireless networking system and method for electric system, solves existing
The networking difficulty that some intelligent electric power communication networks rely on merely the mode of LTE networking and bring is big, and networking technology of high cost is asked
Topic.
In order to solve the above technical problems, the present invention provides a kind of wireless networking system of electric system.The system comprises：
LTE base station and by LTE network and the wireless interconnected LTE network node of the LTE base station, the system also includes：Pass through
The Net MUX and pass through electric power frequency band network and the Net MUX that LTE network is interconnected with the LET base station radios
Wireless interconnected electric power frequency band network node, wherein the Net MUX is for pre-establishing all electric power connected to it
The dynamic node address table of frequency band network network node, the data packet for receiving electric power frequency band network node or LTE base station transmission, solution
It analyses the destination address in the data packet, search the dynamic node address table, and work as destination address in the dynamic node
The data are forwarded a packet into the corresponding electric power frequency band network node of destination address when in the table of location, and when destination address is not in institute
The data packet that electric power frequency band network node is sent is transmitted to LTE base station when stating in dynamic node address table.
The Net MUX includes processor and the LTE module being connect with processor and electric power frequency band network module,
The processor, for establishing dynamic node address in advance to be connected to the all-network node of Net MUX
Table parses the destination address of LTE module received data packet, destination address is inquired in dynamic node address table, and in dynamic
There are when destination address in node address table, forwards and instruct to electric power frequency band network module transmission data, otherwise abandon the number
According to packet；And the destination address of parsing electric power frequency band network module received data packet, inquire mesh in dynamic node address table
Address is marked, and forwards and instructs to electric power frequency band network module transmission data there are when destination address in dynamic node address table,
Otherwise it forwards and instructs to LTE module transmission data；
The LTE module is used to carry out data pack receiving and transmitting with LTE base station, and is resolved to electric power frequency range net in processor
When the destination address of network module received data packet is not in dynamic node address table, the data forwarding instruction of processor is received,
Electric power frequency band network module received data packet is sent to LTE base station；
The electric power frequency band network module is used to carry out data pack receiving and transmitting with electric power frequency band network node, and is handling
When device is resolved to the destination address of LTE module and electric power frequency band network module received data packet in dynamic node address table,
The data forwarding instruction of processor is received, with forwarding a packet to target by LTE module and electric power frequency band network module received data
The corresponding electric power frequency band network node in location.
It is 230M frequency band network moulds that the electric power frequency band network, which uses 230M frequency band networks, the electric power frequency band network module,
Block.
The LTE module is connect by first interface with processor, and the electric power frequency band network module passes through second interface
It is connect with processor.
The first interface and second interface are one kind in USB interface or UART interface.
The LTE module and electric power frequency band network module are both provided with the antenna for transceiving data.
A kind of wireless networking method of electric system, including step：
A, Net MUX pre-establishes the dynamic node address table of all electric power frequency band network nodes connected to it；
B, the data packet that Net MUX receives electric power frequency band network node or LTE base station is sent, parses the data packet
In destination address, search dynamic node address table；When destination address is in the dynamic node address table by the data
The corresponding electric power frequency band network node of destination address is forwarded a packet to, and when destination address is not in the dynamic node address table
When by electric power frequency band network node send data packet be transmitted to LTE base station.
The step B further includes specifically：
B11, Net MUX receive the data packet that LTE base station is sent by LTE module；
B12, Net MUX processor parsing LTE module received data packet destination address, in dynamic node
Destination address is inquired in the table of location, when, there are when destination address, being counted by electric power frequency band network module in dynamic node address table
The electric power frequency band network node corresponding to destination address is sent to according to packet；When there is no destination addresses in dynamic node address table
When, by LTE module to LTE base station feedback result and packet discard.
The step B further includes specifically：
B21, Net MUX receive the data packet that electric power frequency band network node is sent by electric power frequency band network module；
B22, Net MUX processor parsing electric power frequency band network module received data packet destination address, dynamic
Destination address is inquired in state node address table, when, there are when destination address, passing through electric power frequency band network in dynamic node address table
Module delivers a packet to the electric power frequency band network node corresponding to destination address；When there is no mesh in dynamic node address table
When marking address, electric power frequency band network module received data packet is sent to by LTE base station by LTE module.
The wireless networking system and method for electric system provided by the invention, by Net MUX by electric power frequency band network
Be mutually connected to each other with LTE network so that LTE network extends to electric power frequency band network, this network interworking mode with
The networking difficulty for reducing LTE, can cover the place that LTE network is difficult to cover, reduce networking cost, improve integral net
The area coverage and communication density of network.
Description of the drawings
Fig. 1 is a kind of structure diagram of the wireless networking system of electric system provided by the invention.
Fig. 2 is a kind of structural schematic diagram of the wireless networking system of electric system provided by the invention.
Fig. 3 is a kind of Net MUX structure diagram of the wireless networking system of electric system provided by the invention.
Fig. 4 is a kind of Net MUX structure diagram of the wireless networking system of electric system provided by the invention.
Fig. 5 is a kind of flow chart of the wireless networking method of electric system provided by the invention.
Fig. 6 is a kind of Net MUX work flow diagram of the wireless networking method of electric system provided by the invention.
Fig. 7 is a kind of Net MUX work flow diagram of the wireless networking method of electric system provided by the invention.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Such as Fig. 1 and Fig. 2, the present invention provides a kind of wireless networking system of electric system, the system comprises LTE base station 1,
Several LTE network nodes 2, Net MUX 3 and several electric power frequency band network nodes 4, the LTE network node 2 and network collection
Middle device 3 is wirelessly connected by LTE network and LTE base station 1, the electric power frequency band network node 4 by electric power frequency band network with
Net MUX 3 is wirelessly connected.
LTE network node 2 is the physical equipment that LTE base station 1 is connected to by LTE network, all LTE network nodes 2
LTE access functions are equipped with, LTE network upload or downloading data can be passed through.Electric power frequency band network node 4 is to pass through electric power
Frequency band network is connected to the physical equipment of Net MUX 3, and all electric power frequency band network nodes 4 can all pass through electric power frequency range net
Network uploads or downloading data.
The Net MUX 3 is mainly used for LTE network being transferred to the data forwarding of LTE module 33 to electric power frequency range net
Network node 4, and electric power frequency band network is transferred to other electric power of the data forwarding of electric power frequency band network module 33 in netting
Frequency band network node 4 or LTE network node 2, are realized between LTE network node 2 and electric power frequency band network node 4 and electric power frequency
Communicating between section 4 each node of network.
Such as Fig. 3, the Net MUX 3 includes processor 31, LTE module 32 and electric power frequency band network module 33, each portion
The specific effect of sub-module is as follows：
Processor 31 to be connected to all electric power frequency band network nodes 4 foundation dynamic of Net MUX 3 for saving in advance
Dot address table parses the destination address of 32 received data packet of LTE module, destination address is inquired in dynamic node address table,
Judge to whether there is the destination address in dynamic node address table, if there are destination address in dynamic node address table,
It forwards and instructs to 33 transmission data of electric power frequency band network module, otherwise abandon the data packet；And parsing electric power frequency band network
The destination address of 33 received data packet of module, destination address is inquired in dynamic node address table, judges dynamic node address
It whether there is the destination address in table, if there are when destination address in dynamic node address table, to electric power frequency band network mould
The forwarding instruction of 33 transmission data of block, otherwise forwards to 32 transmission data of LTE module and instructs；
LTE module 32 is used to carry out data pack receiving and transmitting with LTE base station 1, and is resolved to electric power frequency range net in processor 31
When the destination address of 33 received data packet of network module is not in dynamic node address table, the data forwarding for receiving processor 31 refers to
It enables, 33 received data packet of electric power frequency band network module is sent to LTE base station 1；
Electric power frequency band network module 33 is used to carry out data pack receiving and transmitting with electric power frequency band network node 4, and in processor
31 are resolved to the destination address of 33 received data packet of LTE module 32 and electric power frequency band network module in dynamic node address table
When, the data forwarding instruction of processor 31 is received, LTE module 32 and 33 received data packet of electric power frequency band network module are forwarded
To the corresponding electric power frequency band network node of destination address 4.
Electric power frequency band network can cover the difficult node of LTE coverings, such as underground parking, the areas such as old town house
Domain.The electric power frequency band network can be 430M networks or 230M networks, and more preferably, the electric power frequency band network is using 230M frequencies
Section network, the electric power frequency band network module 33 is 230M frequency band network modules, because 230M frequency ranges are allocated to the special of electric power
With authorized spectrum band, frequency range is special, totally more unimpeded than other frequency ranges.230M wireless networks are to operate in the National Radio committee point
The special frequency range of dispensing electric network data acquisition, has signal interference small, the high feature of signal transmission quality.
The LTE module 32 is connect by first interface with processor 31, and the electric power frequency band network module 33 passes through
Two interfaces are connect with processor 31, processor 31 by first interface and LTE module 32 carry out data packet and instruction transmission and
Forwarding carries out the transmission and forwarding of data packet and instruction by second interface and electric power frequency band network module 33.As shown in figure 4,
First interface and second interface can be the data-interfaces such as USB interface or UART interface, two interfaces can be all USB interface or
UART interface, naturally it is also possible to which one is USB interface, and one is UART interface.The LTE module 32 and electric power frequency band network mould
Block 33 is both provided with antenna 5, for realizing the transmitting-receiving of data.
Such as Fig. 5, based on the wireless networking system of above-mentioned electric system, the present invention also provides a kind of the wireless of electric system
Network-building method, including step：
S100, Net MUX pre-establish the dynamic node address of all electric power frequency band network nodes connected to it
Table；
S200, the data packet that Net MUX receives electric power frequency band network node or LTE base station is sent, parse the data
Destination address in packet searches dynamic node address table；When destination address is in the dynamic node address table by the number
According to forwarding a packet to the corresponding electric power frequency band network node of destination address, and when destination address is not in the dynamic node address table
The data packet that electric power frequency band network node is sent is transmitted to LTE base station when middle.
Step S100 is mainly the dynamic that all electric power frequency band network nodes connected to it are pre-established by processor
Node address table only needs in this way when Net MUX receives the data packet of electric power frequency band network node or LTE base station transmission
The destination address in read data packet is wanted, searches whether that there are the destination addresses in dynamic node address table to carry out data
Transmission and forwarding.
Further, step S200 mainly by according to the destination address of data packet whether in dynamic node address table
Data packet is handled, is specifically comprised the following steps（Such as Fig. 6）：
S211, Net MUX receive the data packet that LTE base station is sent by LTE module；
S212, Net MUX processor parsing LTE module received data packet destination address, in dynamic node
Destination address is inquired in the table of location, when, there are when destination address, being counted by electric power frequency band network module in dynamic node address table
The electric power frequency band network node corresponding to destination address is sent to according to packet；When there is no destination addresses in dynamic node address table
When, by LTE module to LTE base station feedback result and packet discard.
For example, such as Fig. 2 and Fig. 3, when Net MUX 3 receives the data packet of the node D forwarded by LTE base station 1, by
It manages device 32 and parses the destination address of the data packet, and destination address is inquired in dynamic node address table, determine the destination address
Whether be in dynamic node address table, if the destination address in dynamic node address table, such as destination address be node
A, then Net MUX 3 data packet is sent to by node A by electric power frequency band network module 33, realize node D（LTE network
Node）With node A（Electric power frequency band network node）Data communication.
If the destination address that processor parses not in dynamic node address table, that is, shows that the destination address does not exist
In electric power frequency band network, then processor feeds back this as a result, simultaneously packet discard by LTE module to LTE base station.
The data that Net MUX is sent in addition to receiving LTE base station, and carried out outside data packet forwarding according to destination address, also
The data of electric power frequency band network node transmission can be received, and data packet forwarding is carried out according to destination address, as shown in fig. 7, institute
Stating step S200 further includes specifically：
S221, Net MUX receive the data packet that electric power frequency band network node is sent by electric power frequency band network module；
S222, Net MUX processor parsing electric power frequency band network module received data packet destination address,
Destination address is inquired in dynamic node address table, when, there are when destination address, passing through electric power frequency range net in dynamic node address table
Network module delivers a packet to the electric power frequency band network node corresponding to destination address；It is not present when in dynamic node address table
When destination address, electric power frequency band network module received data packet is sent to by LTE base station by LTE module.
For example, when node A needs to send data to node C, node A is sent data packets to by electric power frequency band network
Electric power frequency band network module, processor parse the destination address of the data packet（That is node C）, due to the destination address be present in it is dynamic
In state node address table, after the destination address is inquired in dynamic node address table, that is, destination node is delivered a packet to
（Node C）.
If node A needs to send data to node D, node A sends data packets to electricity by electric power frequency band network
Power frequency band network module, processor parse the destination address of the data packet（That is node D）, due in dynamic node address table not
There are this addresses, so, processor delivers a packet to LTE base station by LTE module, further according to LTE base station itself
Address table carries out routing forwarding, sends data packets to destination address（That is node D）.
The wireless networking system and method for electric system provided by the invention realize LTE network using Net MUX
Data interaction between electric power frequency band network is carried out in the complicated place of the more difficult covering of LTE network using electric power frequency band network
Covering, reduces network construction cost, while also reducing the cost of node.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (8)
1. a kind of wireless networking system of electric system, the system comprises LTE base station and pass through LTE network and the LTE
The LTE network node of base station radio interconnection, which is characterized in that the system also includes：Pass through LTE network and the LTE base station
Wireless interconnected Net MUX and pass through electric power frequency band network and the wireless interconnected electric power frequency range net of the Net MUX
Network node, wherein the Net MUX is used to pre-establish the dynamic section of all electric power frequency band network nodes connected to it
Dot address table, with receiving target in the data packet that electric power frequency band network node or LTE base station send, the parsing data packet
The dynamic node address table is searched, and turns the data packet when destination address is in the dynamic node address table in location
It is dealt into the corresponding electric power frequency band network node of destination address, and will when destination address is not in the dynamic node address table
The data packet that electric power frequency band network node is sent is transmitted to LTE base station；
The Net MUX includes processor and the LTE module being connect with processor and electric power frequency band network module,
The processor is solved for establishing dynamic node address table in advance to be connected to the all-network node of Net MUX
The destination address for analysing LTE module received data packet, inquires destination address, and in dynamic node in dynamic node address table
There are when destination address in the table of location, forwards and instruct to electric power frequency band network module transmission data, otherwise abandon the data packet；With
And the destination address of parsing electric power frequency band network module received data packet, destination address is inquired in dynamic node address table,
And there are when destination address in dynamic node address table, forward and instruct to electric power frequency band network module transmission data, otherwise to
The forwarding instruction of LTE module transmission data；
The LTE module is used to carry out data pack receiving and transmitting with LTE base station, and is resolved to electric power frequency band network mould in processor
When the destination address of block received data packet is not in dynamic node address table, the data forwarding instruction of processor is received, it will be electric
Power frequency band network module received data packet is sent to LTE base station；
The electric power frequency band network module is used to carry out data pack receiving and transmitting with electric power frequency band network node, and in processor solution
When analysing the destination address of LTE module and electric power frequency band network module received data packet in dynamic node address table, receive
The data forwarding of processor instructs, and LTE module and electric power frequency band network module received data are forwarded a packet to destination address pair
The electric power frequency band network node answered；
Electric power frequency band network can cover the difficult node of LTE coverings.
2. a kind of wireless networking system of electric system as described in claim 1, which is characterized in that the electric power frequency band network
Using 230M frequency band networks, the electric power frequency band network module is 230M frequency band network modules.
3. a kind of wireless networking system of electric system as claimed in claim 1 or 2, which is characterized in that the LTE module is logical
It crosses first interface to connect with processor, the electric power frequency band network module is connect by second interface with processor.
4. a kind of wireless networking system of electric system as claimed in claim 3, which is characterized in that first interface and second connects
Mouth is one kind in USB interface or UART interface.
5. a kind of wireless networking system of electric system as described in claim 1, which is characterized in that LTE module and electric power frequency
Section network module is both provided with the antenna for transceiving data.
6. a kind of wireless networking method of electric system, which is characterized in that including step：
A, Net MUX pre-establishes the dynamic node address table of all electric power frequency band network nodes connected to it；
B, the data packet that Net MUX receives electric power frequency band network node or LTE base station is sent, parses in the data packet
Destination address searches dynamic node address table；The data packet is turned when destination address is in the dynamic node address table
It is dealt into the corresponding electric power frequency band network node of destination address, and will when destination address is not in the dynamic node address table
The data packet that electric power frequency band network node is sent is transmitted to LTE base station；
Wherein, the Net MUX includes processor and the LTE module being connect with processor and electric power frequency band network module,
The processor is solved for establishing dynamic node address table in advance to be connected to the all-network node of Net MUX
The destination address for analysing LTE module received data packet, inquires destination address, and in dynamic node in dynamic node address table
There are when destination address in the table of location, forwards and instruct to electric power frequency band network module transmission data, otherwise abandon the data packet；With
And the destination address of parsing electric power frequency band network module received data packet, destination address is inquired in dynamic node address table,
And there are when destination address in dynamic node address table, forward and instruct to electric power frequency band network module transmission data, otherwise to
The forwarding instruction of LTE module transmission data；
The LTE module is used to carry out data pack receiving and transmitting with LTE base station, and is resolved to electric power frequency band network mould in processor
When the destination address of block received data packet is not in dynamic node address table, the data forwarding instruction of processor is received, it will be electric
Power frequency band network module received data packet is sent to LTE base station；
The electric power frequency band network module is used to carry out data pack receiving and transmitting with electric power frequency band network node, and in processor solution
When analysing the destination address of LTE module and electric power frequency band network module received data packet in dynamic node address table, receive
The data forwarding of processor instructs, and LTE module and electric power frequency band network module received data are forwarded a packet to destination address pair
The electric power frequency band network node answered；
Electric power frequency band network can cover the difficult node of LTE coverings.
7. a kind of wireless networking method of electric system as claimed in claim 6, which is characterized in that the step B is specifically gone back
Including：
B11, Net MUX receive the data packet that LTE base station is sent by LTE module；
B12, Net MUX processor parsing LTE module received data packet destination address, in dynamic node address table
Middle inquiry destination address, when in dynamic node address table there are when destination address, by electric power frequency band network module by data packet
It is sent to the electric power frequency band network node corresponding to destination address；When destination address is not present in dynamic node address table, lead to
LTE module is crossed to LTE base station feedback result and packet discard.
8. a kind of wireless networking method of electric system as claimed in claim 6, which is characterized in that the step B is specifically gone back
Including：
B21, Net MUX receive the data packet that electric power frequency band network node is sent by electric power frequency band network module；
B22, Net MUX processor parsing electric power frequency band network module received data packet destination address, dynamic save
Destination address is inquired in dot address table, when, there are when destination address, passing through electric power frequency band network module in dynamic node address table
Deliver a packet to the electric power frequency band network node corresponding to destination address；When in dynamic node address table there is no target
When location, electric power frequency band network module received data packet is sent to by LTE base station by LTE module.
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