CN104936311A - Wireless networking system of power system and method thereof - Google Patents
Wireless networking system of power system and method thereof Download PDFInfo
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- CN104936311A CN104936311A CN201410668012.1A CN201410668012A CN104936311A CN 104936311 A CN104936311 A CN 104936311A CN 201410668012 A CN201410668012 A CN 201410668012A CN 104936311 A CN104936311 A CN 104936311A
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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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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a wireless networking system of a power system and a method thereof. The wireless networking system comprises an LTE base station module, a network concentrator, an LTE node module and a power band network node module. The wireless networking system can be connected to the concentrator of the present invention through a power dedicated frequency band network in a current complex geographic location such as a basement and connected to an outdoor LTE network, the coverage of an LTE is completed without the complex location, the network construction cost of an LTE power network is effectively reduced, and the network capacity of the whole network is increased.
Description
Technical field
The present invention relates to field of power communication, refer more particularly to a kind of wireless networking system and method for electric power system.
Background technology
Power communication system is the important component part of intelligent grid.Due to mobile communication technology realize the mode of transfer of data in electric power system have do not need to set up that designated lane, construction investment are little, broad covered area, the feature such as easy to maintenance, flexible for installation, achieve good effect in fields such as remote meter reading, spatial load forecasting and scheduling.LTE compares GPRS, GSM, 3G etc. of having applied and has higher transmission rate, more safe and reliable performance, can provide omnibearing communication service for the construction of intelligent grid.
The application advantage of LTE in intelligent grid is mainly manifested in: data transmission bauds at a high speed meets the requirement of electric power system bulk information transfer of data, at a high speed data interaction be reliably intelligent grid openly compatible various kinds of equipment provide reliable communication mechanism; The safety and reliability of LTE meets intelligent grid defence information attack, improve information security, improve the important guarantee of self-healing ability, for Based Intelligent Control, load scheduling, electric power first-aid, intelligent dsm provide accurate, reliable, real-time data message.
In view of the advantage of above-mentioned LTE, current intelligent electric power communication network adopts the networking mode of LTE, each communication node all adopts LTE to access, but, there are problems in the networking mode of this simple dependence LTE, because distribution runs, service distribution scope is wide, communication point is many, operational environment is poor, and cause networking difficulty large, networking cost is high.
Therefore, prior art needs further to be improved.
Summary of the invention
Problem to be solved by this invention is, provides a kind of wireless networking system and method for electric power system, solves that existing intelligent electric power communication network relies on merely the mode of LTE networking and the networking difficulty brought is large, the technical problem that networking cost is high.
For solving the problems of the technologies described above, the invention provides a kind of wireless networking system of electric power system.Described system comprises: LTE base station and by LTE network and the wireless interconnected LTE network node of described LTE base station, described system also comprises: by LTE network and the interconnected Net MUX of described LET base station radio, and by electric power frequency band network and the wireless interconnected electric power frequency band network node of described Net MUX, wherein, described Net MUX is used for the dynamic node address table setting up connected all electric power frequency band network network nodes in advance, receive the packet of electric power frequency band network node or LTE base station transmission, resolve the destination address in described packet, search described dynamic node address table, and when destination address is in described dynamic node address table, described packet is forwarded to electric power frequency band network node corresponding to destination address, and when destination address is not in described dynamic node address table, the packet that electric power frequency band network node sends is transmitted to LTE base station.
Described Net MUX comprises processor and the LTE module that is connected with processor and electric power frequency band network module,
Described processor, for in advance for the all-network node being connected to Net MUX sets up dynamic node address table, resolve the destination address of LTE module received data packet, query aim address in dynamic node address table, and when there is destination address in dynamic node address table, send data retransmission instruction to electric power frequency band network module, otherwise abandon described packet; And resolve the destination address of electric power frequency band network module received data packet, query aim address in dynamic node address table, and when there is destination address in dynamic node address table, send data retransmission instruction to electric power frequency band network module, otherwise send data retransmission instruction to LTE module;
Described LTE module, for carrying out data packet transceive with LTE base station, and when the destination address that processor is resolved to electric power frequency band network module received data packet is not in dynamic node address table, the data retransmission instruction of receiving processor, is sent to LTE base station by electric power frequency band network module received data packet;
Described electric power frequency band network module, for carrying out data packet transceive with electric power frequency band network node, and when the destination address that processor is resolved to LTE module and electric power frequency band network module received data packet is in dynamic node address table, the data retransmission instruction of receiving processor, is forwarded to electric power frequency band network node corresponding to destination address by LTE module and electric power frequency band network module received data packet.
Described electric power frequency band network adopts 230M frequency band network, and described electric power frequency band network module is 230M frequency band network module.
Described LTE module is connected with processor by first interface, and described electric power frequency band network module is connected with processor by the second interface.
Described first interface and the second interface are the one in USB interface or UART interface.
Described LTE module and electric power frequency band network module are provided with the antenna for transceiving data.
A wireless networking method for electric power system, comprises step:
A, Net MUX set up the dynamic node address table of connected all electric power frequency band network nodes in advance;
B, Net MUX receive the packet of electric power frequency band network node or LTE base station transmission, resolve the destination address in described packet, search dynamic node address table; When destination address is in described dynamic node address table, described packet is forwarded to electric power frequency band network node corresponding to destination address, and when destination address is not in described dynamic node address table, the packet that electric power frequency band network node sends is transmitted to LTE base station.
Described step B specifically also comprises:
B11, Net MUX receive the packet of LTE base station transmission by LTE module;
The destination address of LTE module received data packet resolved by the processor of B12, Net MUX, query aim address in dynamic node address table, when there is destination address in dynamic node address table, by electric power frequency band network module by the electric power frequency band network node corresponding to Packet Generation to destination address; When there is not destination address in dynamic node address table, by LTE module to LTE base station feedback result and packet discard.
Described step B specifically also comprises:
B21, Net MUX receive the packet of electric power frequency band network node transmission by electric power frequency band network module;
The destination address of electric power frequency band network module received data packet resolved by the processor of B22, Net MUX, query aim address in dynamic node address table, when there is destination address in dynamic node address table, by electric power frequency band network module by the electric power frequency band network node corresponding to Packet Generation to destination address; When there is not destination address in dynamic node address table, by LTE module, electric power frequency band network module received data packet is sent to LTE base station.
The wireless networking system of electric power system provided by the invention and method, together with by Net MUX electric power frequency band network being connected to each other with LTE network, make LTE network can extend to electric power frequency band network, this network interworking mode is to reduce the networking difficulty of LTE, the place that LTE network is difficult to cover can be covered, reduce networking cost, improve area coverage and the communication density of overall network.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the wireless networking system of a kind of electric power system provided by the invention.
Fig. 2 is the structural representation of the wireless networking system of a kind of electric power system provided by the invention.
Fig. 3 is the Net MUX structured flowchart of the wireless networking system of a kind of electric power system provided by the invention.
Fig. 4 is the Net MUX structured flowchart of the wireless networking system of a kind of electric power system provided by the invention.
Fig. 5 is the flow chart of the wireless networking method of a kind of electric power system provided by the invention.
Fig. 6 is the Net MUX workflow diagram of the wireless networking method of a kind of electric power system provided by the invention.
Fig. 7 is the Net MUX workflow diagram of the wireless networking method of a kind of electric power system provided by the invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Fig. 1 and Fig. 2, the invention provides a kind of wireless networking system of electric power system, described system comprises LTE base station 1, several LTE network node 2, Net MUX 3 and several electric power frequency band network node 4, described LTE network node 2 and Net MUX 3 are all by LTE network and LTE base station 1 wireless connections, and described electric power frequency band network node 4 is by electric power frequency band network and Net MUX 3 wireless connections.
LTE network node 2 is the physical equipment being connected to LTE base station 1 by LTE network, and all LTE network nodes 2 are all equipped with LTE access function, upload or downloading data by LTE network.Electric power frequency band network node 4 is the physical equipment being connected to Net MUX 3 by electric power frequency band network, and all electric power frequency band network nodes 4 are all uploaded or downloading data by electric power frequency band network.
Described Net MUX 3 is mainly used in LTE network to be transferred to the data retransmission of LTE module 33 to electric power frequency band network node 4, and data retransmission electric power frequency band network being transferred to electric power frequency band network module 33 is to other electric power frequency band network node 4 or LTE network nodes 2 in net, realizes the mutual communication between LTE network node 2 and electric power frequency band network node 4 and between each node of electric power frequency band network 4.
As Fig. 3, described Net MUX 3 comprises processor 31, LTE module 32 and electric power frequency band network module 33, and the concrete effect of each several part module is as follows:
Processor 31 is in advance for all electric power frequency band network nodes 4 being connected to Net MUX 3 set up dynamic node address table, resolve the destination address of LTE module 32 received data packet, query aim address in dynamic node address table, judge whether there is this destination address in dynamic node address table, if there is destination address in dynamic node address table, then send data retransmission instruction to electric power frequency band network module 33, otherwise abandon described packet; And resolve the destination address of electric power frequency band network module 33 received data packet, query aim address in dynamic node address table, judge whether there is this destination address in dynamic node address table, if when there is destination address in dynamic node address table, then send data retransmission instruction to electric power frequency band network module 33, otherwise send data retransmission instruction to LTE module 32;
LTE module 32 is for carrying out data packet transceive with LTE base station 1, and when the destination address that processor 31 is resolved to electric power frequency band network module 33 received data packet is not in dynamic node address table, the data retransmission instruction of receiving processor 31, is sent to LTE base station 1 by electric power frequency band network module 33 received data packet;
Electric power frequency band network module 33 is for carrying out data packet transceive with electric power frequency band network node 4, and when the destination address that processor 31 is resolved to LTE module 32 and electric power frequency band network module 33 received data packet is in dynamic node address table, the data retransmission instruction of receiving processor 31, is forwarded to electric power frequency band network node 4 corresponding to destination address by LTE module 32 and electric power frequency band network module 33 received data packet.
Electric power frequency band network can cover the node that LTE covers difficulty, as underground parking, and the regions such as house, old town.Described electric power frequency band network can be 430M network or 230M network, more preferably, described electric power frequency band network adopts 230M frequency band network, described electric power frequency band network module 33 is 230M frequency band network module, because 230M frequency range distributes to the specific authorisation frequency range of electric power, frequency range is special, totally more unimpeded than other frequency ranges.230M wireless network operates in the special frequency range that the National Radio committee distributes to electric network data collection, has signal disturbing little, the feature that signal transmission quality is high.
Described LTE module 32 is connected with processor 31 by first interface, described electric power frequency band network module 33 is connected with processor 31 by the second interface, processor 31 carries out transmission and the forwarding of packet and instruction by first interface and LTE module 32, is carried out transmission and the forwarding of packet and instruction by the second interface and electric power frequency band network module 33.As shown in Figure 4, first interface and the second interface can be the data-interface such as USB interface or UART interface, and two interfaces can be all USB interface or UART interface, can certainly one be USB interface, one is UART interface.Described LTE module 32 and electric power frequency band network module 33 are provided with antenna 5, for realizing the transmitting-receiving of data.
As Fig. 5, based on the wireless networking system of above-mentioned electric power system, present invention also offers a kind of wireless networking method of electric power system, comprise step:
S100, Net MUX set up the dynamic node address table of connected all electric power frequency band network nodes in advance;
S200, Net MUX receive the packet of electric power frequency band network node or LTE base station transmission, resolve the destination address in described packet, search dynamic node address table; When destination address is in described dynamic node address table, described packet is forwarded to electric power frequency band network node corresponding to destination address, and when destination address is not in described dynamic node address table, the packet that electric power frequency band network node sends is transmitted to LTE base station.
Step S100 mainly sets up the dynamic node address table of connected all electric power frequency band network nodes in advance by processor, like this when Net MUX receives the packet of electric power frequency band network node or LTE base station transmission, only need the destination address in read data packet, search in dynamic node address table and whether there is this destination address to carry out transmission and the forwarding of data.
Further, whether step S200 is mainly processed packet by the destination address according to packet in dynamic node address table, specifically comprises the steps (as Fig. 6):
S211, Net MUX receive the packet of LTE base station transmission by LTE module;
The destination address of LTE module received data packet resolved by the processor of S212, Net MUX, query aim address in dynamic node address table, when there is destination address in dynamic node address table, by electric power frequency band network module by the electric power frequency band network node corresponding to Packet Generation to destination address; When there is not destination address in dynamic node address table, by LTE module to LTE base station feedback result and packet discard.
Such as, as Fig. 2 and Fig. 3, when Net MUX 3 receives the packet of the node D forwarded by LTE base station 1, the destination address of this packet is resolved by processor 32, and in dynamic node address table query aim address, determine whether this destination address is in dynamic node address table, if this destination address is in dynamic node address table, such as destination address is node A, then Net MUX 3 passes through electric power frequency band network module 33 by this Packet Generation to node A, realize node D(LTE network node) with node A(electric power frequency band network node) data communication.
If the destination address that processor parses is not in dynamic node address table, namely show this destination address not in electric power frequency band network, then processor feeds back this result by LTE module to LTE base station, and packet discard.
The data that Net MUX sends except receiving LTE base station, and carry out outside packet forwarding according to destination address, the data that electric power frequency band network node sends can also be received, and carry out packet forwarding according to destination address, as shown in Figure 7, described step S200 specifically also comprises:
S221, Net MUX receive the packet of electric power frequency band network node transmission by electric power frequency band network module;
The destination address of electric power frequency band network module received data packet resolved by the processor of S222, Net MUX, query aim address in dynamic node address table, when there is destination address in dynamic node address table, by electric power frequency band network module by the electric power frequency band network node corresponding to Packet Generation to destination address; When there is not destination address in dynamic node address table, by LTE module, electric power frequency band network module received data packet is sent to LTE base station.
Such as, when node A needs to send data to node C, node A passes through electric power frequency band network by Packet Generation to electric power frequency band network module, the destination address (i.e. node C) of this packet resolved by processor, because this destination address is present in dynamic node address table, inquire this destination address in dynamic node address table after, by Packet Generation to destination node (node C).
If when node A needs to send data to node D, node A passes through electric power frequency band network by Packet Generation to electric power frequency band network module, the destination address (i.e. node D) of this packet resolved by processor, owing to there is not this address in dynamic node address table, so, processor by LTE module by Packet Generation to LTE base station, then carry out routing forwarding according to the address table of LTE base station itself, by Packet Generation to destination address (i.e. node D).
The wireless networking system of electric power system provided by the invention and method, adopt Net MUX, achieve the data interaction between LTE network and electric power frequency band network, in the complicated place of the more difficult covering of LTE network, electric power frequency band network is used to cover, decrease network construction cost, also reduce the cost of node simultaneously.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (9)
1. the wireless networking system of an electric power system, described system comprises LTE base station and by LTE network and the wireless interconnected LTE network node of described LTE base station, it is characterized in that, described system also comprises: by LTE network and the interconnected Net MUX of described LET base station radio, and by electric power frequency band network and the wireless interconnected electric power frequency band network node of described Net MUX, wherein, described Net MUX is used for the dynamic node address table setting up connected all electric power frequency band network network nodes in advance, receive the packet of electric power frequency band network node or LTE base station transmission, resolve the destination address in described packet, search described dynamic node address table, and when destination address is in described dynamic node address table, described packet is forwarded to electric power frequency band network node corresponding to destination address, and when destination address is not in described dynamic node address table, the packet that electric power frequency band network node sends is transmitted to LTE base station.
2. the wireless networking system of a kind of electric power system as claimed in claim 1, is characterized in that, described Net MUX comprises processor and the LTE module that is connected with processor and electric power frequency band network module,
Described processor, for in advance for the all-network node being connected to Net MUX sets up dynamic node address table, resolve the destination address of LTE module received data packet, query aim address in dynamic node address table, and when there is destination address in dynamic node address table, send data retransmission instruction to electric power frequency band network module, otherwise abandon described packet; And resolve the destination address of electric power frequency band network module received data packet, query aim address in dynamic node address table, and when there is destination address in dynamic node address table, send data retransmission instruction to electric power frequency band network module, otherwise send data retransmission instruction to LTE module;
Described LTE module, for carrying out data packet transceive with LTE base station, and when the destination address that processor is resolved to electric power frequency band network module received data packet is not in dynamic node address table, the data retransmission instruction of receiving processor, is sent to LTE base station by electric power frequency band network module received data packet;
Described electric power frequency band network module, for carrying out data packet transceive with electric power frequency band network node, and when the destination address that processor is resolved to LTE module and electric power frequency band network module received data packet is in dynamic node address table, the data retransmission instruction of receiving processor, is forwarded to electric power frequency band network node corresponding to destination address by LTE module and electric power frequency band network module received data packet.
3. the wireless networking system of a kind of electric power system stated as claim 1, is characterized in that, described electric power frequency band network adopts 230M frequency band network, and described electric power frequency band network module is 230M frequency band network module.
4. the wireless networking system of a kind of electric power system as claimed in claim 2 or claim 3, is characterized in that, described LTE module is connected with processor by first interface, and described electric power frequency band network module is connected with processor by the second interface.
5. the wireless networking system of a kind of electric power system as claimed in claim 4, is characterized in that, first interface and the second interface are the one in USB interface or UART interface.
6. the wireless networking system of a kind of electric power system as claimed in claim 2, is characterized in that, LTE module and electric power frequency band network module are provided with the antenna for transceiving data.
7. a wireless networking method for electric power system, is characterized in that, comprises step:
A, Net MUX set up the dynamic node address table of connected all electric power frequency band network nodes in advance;
B, Net MUX receive the packet of electric power frequency band network node or LTE base station transmission, resolve the destination address in described packet, search dynamic node address table; When destination address is in described dynamic node address table, described packet is forwarded to electric power frequency band network node corresponding to destination address, and when destination address is not in described dynamic node address table, the packet that electric power frequency band network node sends is transmitted to LTE base station.
8. the wireless networking method of a kind of electric power system as claimed in claim 7, is characterized in that, described step B specifically also comprises:
B11, Net MUX receive the packet of LTE base station transmission by LTE module;
The destination address of LTE module received data packet resolved by the processor of B12, Net MUX, query aim address in dynamic node address table, when there is destination address in dynamic node address table, by electric power frequency band network module by the electric power frequency band network node corresponding to Packet Generation to destination address; When there is not destination address in dynamic node address table, by LTE module to LTE base station feedback result and packet discard.
9. the wireless networking method of a kind of electric power system as claimed in claim 7, is characterized in that, described step B specifically also comprises:
B21, Net MUX receive the packet of electric power frequency band network node transmission by electric power frequency band network module;
The destination address of electric power frequency band network module received data packet resolved by the processor of B22, Net MUX, query aim address in dynamic node address table, when there is destination address in dynamic node address table, by electric power frequency band network module by the electric power frequency band network node corresponding to Packet Generation to destination address; When there is not destination address in dynamic node address table, by LTE module, electric power frequency band network module received data packet is sent to LTE base station.
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| CN201410668012.1A CN104936311B (en) | 2014-11-21 | 2014-11-21 | A kind of wireless networking system and method for electric system |
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| CN201410668012.1A CN104936311B (en) | 2014-11-21 | 2014-11-21 | A kind of wireless networking system and method for electric system |
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| CN104936311B CN104936311B (en) | 2018-09-28 |
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| CN101447693A (en) * | 2008-12-08 | 2009-06-03 | 安徽中兴继远信息技术有限公司 | Automatic system for wireless information transmission distribution network |
| US20140320304A1 (en) * | 2009-10-02 | 2014-10-30 | Badger Meter, Inc. | Method And System For Providing Web-Enabled Cellular Access To Meter Reading Data |
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