CN104659907A - Dual-mode heterogeneous network communication system and method - Google Patents
Dual-mode heterogeneous network communication system and method Download PDFInfo
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- CN104659907A CN104659907A CN201310631096.7A CN201310631096A CN104659907A CN 104659907 A CN104659907 A CN 104659907A CN 201310631096 A CN201310631096 A CN 201310631096A CN 104659907 A CN104659907 A CN 104659907A
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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
Abstract
The embodiment of the invention provides a dual-mode heterogeneous network communication system and method. The dual-mode heterogeneous network communication system comprises a network center node, a station region information source node and a plurality of single-phase dual-mode nodes, wherein the station region information source node receives a station region transformer number, and broadcasts information source information including the station region transformer number and a phase sequence number to which a low-voltage power line belongs at fixed time on the low-voltage power line of each phase of a station region transformer; each single-phase dual-mode node receives the information source information, analyzes the station region transformer number and the phase sequence number which correspond to the single-phase dual-mode node, and sends the station region transformer number and the phase sequence number to the center node; the network center node receives information which includes power utilization information, the station region transformer number and the phase sequence number and is sent by the single-phase dual-mode node, and sends the power utilization information, the station region transformer number and the phase sequence number to a main station. According to the dual-mode heterogeneous network communication system, positioning of a station region to which the acquired power utilization information belongs and complete coverage of acquired data communication within a station region range are realized, and the data transmission reliability and the communication success rate in a power utilization information acquiring process are improved.
Description
Technical field
The present invention relates to technical field of electric power communication, more particularly, relate to a kind of bimodulus heterogeneous network communication system and method.
Background technology
The important symbol of intelligent grid construction is power user power consumption information acquisition system, obtains in recent years and develops fast, and the communication technology of current power user power utilization information acquisition system is mainly power-line carrier communication and micropower wireless communication technology.
Power line carrier (Power Line Carrier, PLC), refers to and utilizes supply line to carry out a kind of communication technology of transfer of data as communication media.For ensureing the reliability of communication, available traffic rate is lower, and PLC can realize platform district and line phase-sequence detection identification; Because power line load (impedance) time variation is strong, line-hit is serious, and PLC is difficult to ensure communication promptness etc.
Micropower is wireless, is to utilize the frequency electromagnetic waves of spatial to carry out a kind of communication technology of transfer of data.It is high that micropower wireless technology has transmission reliability, is not subject to the impact of power load and power line interference; There is MESH network feature, support full routing optimality, can real time communication be ensured; Its transmission rate is very fast, can reach 10Kbps; It supports radio hand-held equipment access, debugs easy, handling good.Based on above-mentioned advantage, micro power radio communication obtains and applies comparatively widely in power user power consumption information acquisition system.
But, platform district transformer information belonging to the power information that micropower wireless communication technology None-identified gathers (platform district transformer numbering) and phase sequence information (phase sequence numbering), and because many electric energy meters are arranged on underground structure, cause micro power radio communication exist blind area can not realize image data communication covering completely, the transfer of data in power consumer electricity consumption information gatherer process and the success rate that communicates can be affected.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of bimodulus heterogeneous network communication system and method, to solve prior art owing to cannot position platform district belonging to gathered power information, and image data communication cannot cover completely within the scope of platform district, cause the unreliable problem not high with the success rate that communicates of the transfer of data in power consumer electricity consumption gatherer process.
For achieving the above object, the embodiment of the present invention provides following technical scheme:
A kind of bimodulus heterogeneous network communication system, comprising: Network Central Node, the platform district information source node be connected with described Network Central Node micro power radio communication, and the multiple single-phase bimodulus node be connected with described district's information source node power line carrier communication; Multiple described single-phase bimodulus node is connected with described Network Central Node micro power radio communication; Described district's information source node is arranged at the low-pressure side of platform district transformer, and multiple described single-phase bimodulus Node configuration is on the low-voltage power line of described each phase of district's transformer;
Described district's information source node, for receiving platform district transformer numbering corresponding to described district's transformer from described Network Central Node, and fixed time broadcast comprises the information source information of described district's transformer numbering and the numbering of the phase sequence belonging to this low-voltage power line on the low-voltage power line of described each phase of district's transformer;
Described single-phase bimodulus node, for being received in the described information source information that corresponding low-voltage power line transmits, resolve and obtain platform district transformer numbering corresponding to this single-phase bimodulus node and phase sequence numbering, and when checking meter or safeguard roll-call, the power information of this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to described Network Central Node;
Described Network Central Node, for sending platform district transformer numbering extremely described district's information source node corresponding to described district's transformer, and receive the information of the power information comprising this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering that described single-phase bimodulus node sends, and the power information of multiple described single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to main website.
Wherein, described district's information source node, also broadcasts field strength measurement signal on the low-voltage power line described each phase of district's transformer;
Described single-phase bimodulus node, also for being received in the field strength measurement signal that described low-voltage power line transmits, gather and record the field intensity value of this single-phase bimodulus node, when described Network Central Node inquires the field intensity value of this single-phase bimodulus node, the field intensity value of this recorded single-phase bimodulus node is sent to described Network Central Node.
Wherein, described single-phase bimodulus node, also for receiving respectively and recording the center signal source of described district's information source node transmission and the field intensity value of the relay forwarding signal source of other single-phase bimodulus nodes forwardings, determine the communication neighbour of this single-phase bimodulus node according to the described field intensity value of record, the information wherein said field intensity value being met two communication neighbours of preset requirement is sent to described Network Central Node.
Wherein, described Network Central Node, also for the platform district transformer numbering that sends according to described district's information source node and multiple described single-phase bimodulus node with phase sequence is numbered, the information of field intensity value and the neighbour that communicates, find out described Network Central Node to some of described district's information source node and each single-phase bimodulus node suitable communication lines by, the described communication lines found out is compared by carrying out communication test one by one, determine the described communication lines of communication efficiency first by for main communication lines by, the described communication lines of communication efficiency second is by being spare communication route.
Wherein, described Network Central Node, platform district information source node and single-phase bimodulus node all have the dual mode communication mode of the wireless and power line carrier of micropower; Described Network Central Node is arranged on the low-voltage power line of described the arbitrary phase of district's transformer;
Described Network Central Node is communicated to connect by the wireless or power line carrier of micropower and described district's information source node, described Network Central Node is connected with described single-phase bimodulus node communication by the wireless or power line carrier of micropower, and between multiple described single-phase bimodulus node, by micropower, wireless or power line carrier communicates to connect mutually.
Wherein, described Network Central Node is the concentrator of the dual mode communication mode with the wireless and power line carrier of micropower;
Described district's information source node is the collector of the dual mode communication mode with the wireless and power line carrier of micropower;
Described single-phase bimodulus node is the communication module of the dual mode communication mode with the wireless and power line carrier of micropower, is arranged in single-phase electric energy meter or collector.
The embodiment of the present invention also provides a kind of bimodulus heterogeneous network communication method, described method is applied to bimodulus heterogeneous network communication system, described system comprises: Network Central Node, the platform district information source node be connected with described Network Central Node micro power radio communication, and the multiple single-phase bimodulus node be connected with described district's information source node power line carrier communication; Multiple described single-phase bimodulus node is connected with described Network Central Node micro power radio communication; Described district's information source node is arranged at the low-pressure side of platform district transformer, and multiple described single-phase bimodulus Node configuration is on the low-voltage power line of described each phase of district's transformer; Described method comprises:
Described Network Central Node sends platform district transformer numbering extremely described district's information source node corresponding to described district's transformer;
Described district's information source node receives platform district transformer numbering corresponding to described district's transformer from described Network Central Node, and fixed time broadcast comprises the information source information of described district's transformer numbering and the numbering of the phase sequence belonging to this low-voltage power line on the low-voltage power line of described each phase of district's transformer;
Described single-phase bimodulus node is received in the described information source information that corresponding low-voltage power line transmits, resolve and obtain platform district transformer numbering corresponding to this single-phase bimodulus node and phase sequence numbering, and when checking meter or safeguard roll-call, the power information of this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to described Network Central Node;
Described Network Central Node receives the information of the power information comprising this single-phase bimodulus node, platform district transformer numbering and the phase sequence numbering that described single-phase bimodulus node sends, and the power information of multiple described single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to main website.
Wherein, described bimodulus heterogeneous network communication method also comprises:
Described district's information source node broadcasts field strength measurement signal on the low-voltage power line of described each phase of district's transformer;
Described single-phase bimodulus node is received in the field strength measurement signal that described low-voltage power line transmits, gather and record the field intensity value of this single-phase bimodulus node, when described Network Central Node inquires the field intensity value of this single-phase bimodulus node, the field intensity value of this recorded single-phase bimodulus node is sent to described Network Central Node.
Wherein, described bimodulus heterogeneous network communication method also comprises:
Described single-phase bimodulus node receives respectively and records the field intensity value of the center signal source of described district's information source node transmission and the relay forwarding signal source of other single-phase bimodulus nodes forwardings, determine the communication neighbour of this single-phase bimodulus node according to the described field intensity value of record, the information wherein said field intensity value being met two communication neighbours of preset requirement is sent to described Network Central Node.
Wherein, described bimodulus heterogeneous network communication method also comprises:
Described Network Central Node is according to the platform district transformer numbering of described district's information source node and multiple described single-phase bimodulus node and phase sequence is numbered, the information of field intensity value and the neighbour that communicates, find out described Network Central Node to some of described district's information source node and each single-phase bimodulus node suitable communication lines by, the described communication lines found out is compared by carrying out communication test one by one, determine the described communication lines of communication efficiency first by for main communication lines by, the described communication lines of communication efficiency second is by being spare communication route.
Implement technical scheme of the present invention, have the following advantages or beneficial effect: the platform district information source node being arranged at the low-pressure side of platform district transformer, on the low-voltage power line in each phase of platform district transformer, fixed time broadcast comprises the information source information of platform district transformer numbering corresponding to platform district transformer and the numbering of the phase sequence belonging to this low-voltage power line, be arranged at the multiple single-phase bimodulus node on platform district transformer each phase low-voltage power line, for the information source information of receiving platform district information source node broadcast, resolve and obtain platform district transformer numbering and phase sequence numbering, while reporting power information to Network Central Node, report the information comprising platform district transformer numbering and phase sequence numbering, identify the platform district transformer numbering belonging to power information and phase sequence numbering that gather, realize the location to platform district belonging to gathered power information, and the covering completely of image data communication within the scope of platform district, thus improve the reliability of the transfer of data in power consumer electricity consumption gatherer process and the success rate that communicates.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structured flowchart of a kind of bimodulus heterogeneous network communication system that Fig. 1 provides for the embodiment of the present invention;
The flow chart of a kind of bimodulus heterogeneous network communication method that Fig. 2 provides for the embodiment of the present invention;
Another flow chart of a kind of bimodulus heterogeneous network communication method that Fig. 3 provides for the embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The structured flowchart of a kind of bimodulus heterogeneous network communication system that Fig. 1 provides for the embodiment of the present invention, with reference to Fig. 1, bimodulus heterogeneous network communication system comprises: Network Central Node 1, platform district information source node 2, and multiple single-phase bimodulus node 3; Wherein, carry out micro power radio communication between Network Central Node 1 with platform district information source node 2 to be connected; Carry out power line carrier communication between platform district information source node 2 with single-phase bimodulus node 3 to be connected; Single-phase bimodulus node 3 with carry out micro power radio communication between Network Central Node 1 and be connected.
Platform district information source node 2 is arranged on the low-pressure side of platform district transformer 4, one Ge Tai district transformer 4 only has a Ge Tai district information source node 2, and be arranged at the low-pressure side of platform district transformer 4, not low-voltage power line is connected with low-voltage power line, Ji Tai district information source node 2 can pass through low-voltage power line broadcast message.Multiple single-phase bimodulus nodes 3 are arranged at the low-voltage power line of each phase of platform district transformer 4, as platform district transformer 4 has A, B, C three-phase low-voltage power line, then multiple single-phase bimodulus node 3 can be set on A phase low-voltage power line, B phase low-voltage power line also can arrange multiple single-phase bimodulus node 3, C phase low-voltage power line also can arrange multiple single-phase bimodulus node 3.Wherein, be connected by power line carrier communication between platform district information source node 2 with multiple single-phase bimodulus node 3, platform district information source node 2 by power line carrier to the phase sequence numbering belonging to district transformer numbering corresponding to platform district, multiple single-phase bimodulus node 3 broadcasting station transformer and this low-voltage power line.
In a kind of bimodulus heterogeneous network communication system that the embodiment of the present invention provides, platform district information source node 2 is numbered for the platform district transformer corresponding from Network Central Node 1 receiving platform district transformer, and on the low-voltage power line of each phase of Bing Tai district transformer, fixed time broadcast comprises the information source information of platform district transformer numbering and the numbering of the phase sequence belonging to this low-voltage power line; On A phase low-voltage power line as information source node 2 Ke Tai district of platform district transformer 4, fixed time broadcast comprises the numbering of platform district transformer 4 and the information source information of phase sequence numbering A; Platform district information source node 2 also can on the B phase low-voltage power line of platform district transformer 4, and fixed time broadcast comprises the numbering of platform district transformer 4 and the information source information of phase sequence numbering B; The rest may be inferred.
Single-phase bimodulus node 3, for being received in the information source information that corresponding low-voltage power line transmits, resolve and obtain platform district transformer numbering corresponding to this single-phase bimodulus node and phase sequence numbering, and when checking meter or safeguard roll-call, the power information of this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to Network Central Node 1; As the single-phase bimodulus node 3 on the A phase low-voltage power line of platform district transformer 4, can receiving platform district information source node 2 broadcast on A phase low-voltage power line comprise the numbering of platform district transformer 4 and the information source information of phase sequence numbering A, thus get numbering and the phase sequence numbering A of corresponding platform district transformer 4, and the power information of this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering A are together sent to Network Central Node 1.
Network Central Node 1, the platform district transformer corresponding for sending station district transformer is numbered to platform district information source node 2, and receive the information of the power information comprising this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering that multiple single-phase bimodulus node 3 sends, and the power information of multiple single-phase bimodulus node 3, platform district transformer numbering and phase sequence numbering are sent to main website, main website is comprehensively analyzing the information collected, thus realizes the power distribution information such as line loss analyzing controls, three-phase load is balanced and automatically manage.
The bimodulus heterogeneous network communication system that the embodiment of the present invention provides, the low-pressure side of platform district transformer is provided with a Ge Tai district information source node, information source node fixed time broadcast on the low-voltage power line of each phase of platform district transformer in platform district comprises corresponding platform district transformer numbering, and the information source information that the phase sequence belonging to this low-voltage power line is numbered; Each phase low-voltage power line of platform district transformer is provided with multiple single-phase bimodulus node, uses the information of single-phase bimodulus node receiving platform district information source node broadcast, thus resolve this information, obtain corresponding platform district transformer numbering and affiliated phase sequence numbering.Single-phase bimodulus node while reporting power information to Network Central Node, can report the information of platform district transformer numbering and phase sequence numbering.
The bimodulus heterogeneous network communication system that the embodiment of the present invention provides, communicated to connect by power line carrier between platform district information source node and single-phase bimodulus node, preferably, in the blind area of power line carrier transmission, can applying power line carrier repeater, as installed power line carrier repeater additional between certain phase low-voltage power line Shang Tai district's information source node and single-phase bimodulus node, can ensure that on low-voltage power line, all single-phase bimodulus nodes can listen to the information of platform district information source node broadcast by the power line carrier repeater installed additional, the data communication realizing wireless isolated island and wireless exclusion region covers, realize the covering completely of image data communication.
Bimodulus heterogeneous network communication system shown in Fig. 1, except the identification that the platform district transformer numbering that can realize belonging to power information and phase sequence are numbered, also can be tested the field intensity of single-phase bimodulus node each in system.In embodiments of the present invention, platform district information source node 2 also broadcasts field strength measurement signal on the low-voltage power line in each phase of platform district transformer; A phase low-voltage power line as information source node 2 Ke Tai district of platform district transformer 4 broadcasts field strength measurement signal etc.
Single-phase bimodulus node 3 is also for being received in the field strength measurement signal that low-voltage power line transmits, gather and record the field intensity value of this single-phase bimodulus node, when heart node 1 inquires the field intensity value of this single-phase bimodulus node 3 in a network, the field intensity value of this recorded single-phase bimodulus node 3 is sent to Network Central Node 1.As the single-phase bimodulus node 3 on the A phase low-voltage power line of platform district transformer 4, can the receiving platform district information source node 2 field strength measurement signal of broadcasting on A phase low-voltage power line, gather and record the field intensity value of this single-phase bimodulus node 3, when heart node 1 inquires the field intensity value of this single-phase bimodulus node 3 in a network, this recorded node field intensity values is reported to Network Central Node 1.
Preferably, single-phase bimodulus node 3 is also for receiving respectively and the field intensity value of the relay forwarding signal source of the center signal source of scoring table district information source node 2 transmission and other single-phase bimodulus nodes forwardings, the communication neighbour of this single-phase bimodulus node is determined according to the field intensity value of record, the information wherein field intensity value being met two communication neighbours of preset requirement is sent to Network Central Node 1, two communication neighbours that field intensity value meets preset requirement can be two communication neighbours that field intensity value is the highest, i.e. two communication neighbours of field intensity value first and second.
In embodiments of the present invention, field strength measurement signal is that Network Central Node 1 is sent to platform district information source node 2, background partition information source node 2 points of phase sequences send, containing dependence test mode data in signal, signal sends with broadcast mode, each single-phase bimodulus node 3 receives this node field of acquisition and recording intensity values after this signal, and reports when heart node 1 is inquired in a network in good time.Single-phase bimodulus node 3 judges whether to need to forward field strength measurement signal, so that single-phase bimodulus nodes all in platform district transformer 4 all completes field strength measurement according to receiving signal.The field intensity value of each single-phase bimodulus node to center signal source and relay forwarding signal source carries out record respectively, and each single-phase bimodulus node finds out oneself communication neighbour according to recorded field intensity value, and by two higher for wherein field intensity value report network Centroids.
In the bimodulus heterogeneous network communication system that the embodiment of the present invention provides, micropower Wireless Priority adopts the wireless self-organization network communication technology to form communication network, the representational system of wireless self-organization network most is CFDA(Cellular Fixed-wireless Digital Access, microcellulor formula stationary nodes wireless data access system), this is a kind of wireless data access system of MESH network architectural feature of self-organizing.This system works is exempted to apply for frequency range in the public metering of 470MHz ~ 510MHz, supports the multiplexing and frequency hopping in the frequency space of 16 groups of altogether multiple frequencies, has higher efficiency of frequency employment and extension of network; System adopts the network coverage mode of micro-honeycomb structure, and in CFDA system, the link between child node and host node mostly is 7 jumpings most.Child node around each host node within the scope of 7 jumpings is formed one " microcellulor ".Communication node is 300 meters in standard open area point-to-point communication distance, ad hoc multihop transmission technology (Ad Hoc & Multi Hop) is supported within the scope of each cellular cell, make the effective covering radius in real place of each cellular cell reach 500 meters ~ 1000 meters, solve network blind area of coverage problem preferably.Each child node can dynamically network, and can be its adjacent child node forwarding data, this makes may there are many effective routings from child node to host node, when wireless channel is interfered or certain middle forwarding child node breaks down and causes certain route to interrupt, route stand-by can be enabled immediately in the master node and proceed transfer of data, thus improve robustness and the antijamming capability of system.In embodiments of the present invention, platform district transformer numbering that Network Central Node 1 can send according to platform district information source node 2 and multiple single-phase bimodulus node 3 and phase sequence is numbered, the information of field intensity value and the neighbour that communicates, find out Network Central Node 1 to some of platform district information source node 2 and each single-phase bimodulus node 3 suitable communication lines by, the communication lines found out is compared by carrying out communication test one by one, determine the communication lines of communication efficiency first by for main communication lines by, the communication lines of communication efficiency second is by being spare communication route.Said process can think the process of PLC networking, the process of PLC networking find exactly Network Central Node arrive each single-phase bimodulus node preferably communication lines by, Network Central Node can according to platform district information, field intensity value and the neighbour's situation that communicates belonging to each node, find out some suitable routes, and carry out test one by one and compare, finally confirm that one main one for two good routes, use in order to during communication, Network Central Node carries out testing to these routes at one's leisure and upgrades.
In embodiments of the present invention, Network Central Node 1, platform district information source node 2 and single-phase bimodulus node 3 all have the dual mode communication mode of the wireless and power line carrier of micropower; Network Central Node 1 is arranged on the low-voltage power line of the arbitrary phase of platform district transformer; By micropower, wireless or power line carrier and platform district information source node 1 communicate to connect Network Central Node 1, by micropower, wireless or power line carrier and single-phase bimodulus node 3 communicate to connect Network Central Node 1, and between single-phase bimodulus node 3, by micropower, wireless or power line carrier communicates to connect mutually.Because Network Central Node 1 can connect multiple district's transformers 4 simultaneously, as 3 Ge Tai district transformers in Fig. 1, therefore, only have when on the low-voltage power line that Network Central Node 1 is arranged at the arbitrary phase of platform district transformer, just communicate to connect by power line carrier and platform district information source node 2 and single-phase bimodulus node 3, and power line carrier communication can only be carried out with the platform district transformer 4 administrative Nei Tai district information source node 2 at Network Central Node 1 place and single-phase bimodulus node 3, otherwise, Network Central Node 1 all communicates to connect by micropower is wireless with platform district information source node 2 and single-phase bimodulus node 3.
The bimodulus heterogeneous communications network system that the embodiment of the present invention provides, preferential adopts that micropower is wireless to be communicated to connect, only bad at micropower wireless signal or when interrupting, just employing power line carrier is supplemented.Such as, Network Central Node 1, platform district information source node 2 and single-phase bimodulus node 3 are in the basement of building, perhaps power line carrier communication is feasible, but micropower is wireless because the factors such as multistage route cause traffic rate too low, cannot meet the actual demand of business data transmission, just can adopt power line carrier communication bridge joint underground and equipment on the ground carry out underground and on the ground between communication, and all adopt radio communication on the ground with underground, thus improve communication efficiency.
More specifically, Network Central Node can for having the concentrator of the dual mode communication mode of the wireless and power line carrier of micropower; Platform district information source node can for having the collector of the dual mode communication mode of the wireless and power line carrier of micropower; Single-phase bimodulus node for having the communication module of the dual mode communication mode of the wireless and power line carrier of micropower, can be arranged in single-phase electric energy meter or collector.
The Network Central Node of the embodiment of the present invention, platform district information source node and single-phase bimodulus node adopt the mode of bimodulus isomery mixed networking to carry out networking; Bimodulus isomery mixed networking, it is optimized TOCOM total communication and promotes on the basis of micropower wireless networking and PLC networking, is intended to improve communication success rate and reliability further.One is eliminate communication silence point, by the sequential combination of two kinds of pattern communications, progressively extends, gets through the node of mourning in silence that single communication pattern all cannot be got in touch with.Two is the communication qualities improving specific region, such as be in the basement of building, perhaps plc communication is feasible, but micropower is wireless causes traffic rate too low because be limited to the factors such as multistage route, the actual demand of business data transmission cannot be met, just can adopt under primary PLC communications bridge ground connection with equipment on the ground, and all adopt radio communication on the ground with underground, thus improve communication efficiency.Under Hybrid communication model, confirm that one main one for two good routes in a network between heart node 1 and each single-phase bimodulus node 3, compare as communication test with the route under single communication pattern, comprehensive selection one leads one for two Optimization route as mixed networking route again.
The present invention carries out power information collection in conjunction with micropower is wireless with low voltage power line carrier, identify the platform district transformer numbering belonging to power information and phase sequence numbering that gather, solve the problem that belonging to power information that prior art None-identified gathers, platform district transformer numbering and phase sequence are numbered, achieve the location to platform district belonging to gathered power information; TOCOM total communication be optimized and promote, thus improving the reliability of the transfer of data in power consumer electricity consumption information gatherer process and the success rate that communicates.Meanwhile, solve the data communication covering problem of wireless isolated island and wireless exclusion region, achieve the covering completely of image data communication in the topological scope of low-voltage power line.The present invention utilizes by micropower is wireless with the mutual bridge joint of power line carrier communication, alternately extends expansion, achieves efficient, reliable data-transformation facility.
Be introduced the bimodulus heterogeneous network communication method that the embodiment of the present invention provides below, bimodulus heterogeneous network communication method described below is based on above-described bimodulus heterogeneous network communication system, and both can be cross-referenced.
The flow chart of a kind of bimodulus heterogeneous network communication method that Fig. 2 provides for the embodiment of the present invention, the method is applied to the bimodulus heterogeneous network communication system shown in Fig. 1, this system comprises: Network Central Node, the platform district information source node be connected with Network Central Node micro power radio communication, and the multiple single-phase bimodulus node be connected with platform district information source node power line carrier communication; Multiple single-phase bimodulus node is connected with Network Central Node micro power radio communication; Platform district information source node is arranged at the low-pressure side of platform district transformer, and multiple single-phase bimodulus Node configuration is on the low-voltage power line of each phase of platform district transformer; With reference to Fig. 2, the method can comprise:
The platform district transformer that step S100, Network Central Node sending station district transformer are corresponding is numbered to platform district information source node;
Step S110, platform district information source node are numbered from the platform district transformer that Network Central Node receiving platform district transformer is corresponding, and on the low-voltage power line of each phase of Bing Tai district transformer, fixed time broadcast comprises the information source information of platform district transformer numbering and the numbering of the phase sequence belonging to this low-voltage power line;
Step S120, single-phase bimodulus node are received in the information source information that corresponding low-voltage power line transmits, resolve and obtain platform district transformer numbering corresponding to this single-phase bimodulus node and phase sequence numbering, and when checking meter or safeguard roll-call, the power information of this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to described Network Central Node;
Step S130, Network Central Node receive the information of the power information comprising this single-phase bimodulus node, platform district transformer numbering and the phase sequence numbering that single-phase bimodulus node sends, and the power information of multiple single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to main website.
Another flow chart of a kind of bimodulus heterogeneous network communication method that Fig. 3 provides for the embodiment of the present invention, be mainly used for testing field intensity, shown in composition graphs 2 and Fig. 3, shown in Fig. 3, method comprises:
Step S140, Network Central Node send field strength measurement signal to platform district information source node;
Step S150, platform district information source node broadcast field strength measurement signal on the low-voltage power line of each phase of platform district transformer;
Step S160, single-phase bimodulus node are received in the field strength measurement signal that low-voltage power line transmits, and gather and record the field intensity value of this single-phase bimodulus node;
When step S170, in a network heart node inquire the field intensity value of this single-phase bimodulus node, the field intensity value of this recorded single-phase bimodulus node is sent to Network Central Node by single-phase bimodulus node.
Preferably, in step S160 shown in Fig. 3, single-phase bimodulus node is after receiving field strength measurement signal, can also judge whether to need to forward field strength measurement signal, so that all single-phase bimodulus node of platform district transformer all completes collection and the record of field intensity value according to paid-in field strength measurement signal.
Preferably, single-phase bimodulus node also can receive and the field intensity value of the relay forwarding signal source of the center signal source of scoring table district information source node transmission and other single-phase bimodulus nodes forwardings respectively, determine the communication neighbour of this single-phase bimodulus node according to the field intensity value of record, the information wherein field intensity value being met two communication neighbours of preset requirement is sent to Network Central Node; Two communication neighbours that field intensity value meets preset requirement can be two communication neighbours that field intensity value is the highest.
Preferably, platform district transformer numbering that Network Central Node also can send according to platform district information source node and multiple single-phase bimodulus node and phase sequence is numbered, the information of field intensity value and the neighbour that communicates, find out Network Central Node to some of platform district information source node and each single-phase bimodulus node suitable communication lines by, the communication lines found out is compared by carrying out communication test one by one, determine the communication lines of communication efficiency first by for main communication lines by, the communication lines of communication efficiency second is by being spare communication route.
In embodiments of the present invention, Network Central Node, platform district information source node and single-phase bimodulus node all have the dual mode communication mode of the wireless and power line carrier of micropower; Network Central Node is arranged on the low-voltage power line of the arbitrary phase of platform district transformer; Network Central Node is communicated to connect by the wireless or power line carrier of micropower and platform district information source node, Network Central Node is connected with described single-phase bimodulus node communication by the wireless or power line carrier of micropower, and between single-phase bimodulus node, by micropower, wireless or power line carrier communicates to connect mutually.Particularly, when on the low-voltage power line that Network Central Node is arranged at the arbitrary phase of platform district transformer, just communicate to connect by power line carrier and platform district information source node and single-phase bimodulus node, otherwise, all communicate to connect by micropower is wireless.
The bimodulus heterogeneous communications network system that the embodiment of the present invention provides, preferential adopts that micropower is wireless to communicate, only bad at micropower wireless signal or when interrupting, just employing power line carrier is supplemented.Such as, Network Central Node, platform district information source node and single-phase bimodulus node are in the basement of building, perhaps power line carrier communication is feasible, micropower is wireless because the factors such as multistage route cause traffic rate too low, the actual demand of business data transmission cannot be met, just can adopt power line carrier communication bridge joint underground and equipment on the ground carry out underground and on the ground between communication, and all adopt radio communication on the ground with underground, thus improve communication efficiency.
The bimodulus heterogeneous network communication method that the embodiment of the present invention provides, the identification of the numbering of platform district transformer belonging to gathered power information and phase sequence numbering can be realized, solve the problem that belonging to power information that prior art None-identified gathers, platform district transformer numbering and phase sequence are numbered.Achieve the location to platform district belonging to gathered power information; TOCOM total communication be optimized and promote, thus improving the reliability of the transfer of data in power consumer electricity consumption information gatherer process and the success rate that communicates.Meanwhile, solve the data communication covering problem of wireless isolated island and wireless exclusion region, achieve the covering completely of image data communication in the topological scope of low-voltage power line.The present invention utilizes by micropower is wireless with the mutual bridge joint of power line carrier communication, alternately extends expansion, achieves efficient, reliable data-transformation facility.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a bimodulus heterogeneous network communication system, it is characterized in that, comprise: Network Central Node, the platform district information source node be connected with described Network Central Node micro power radio communication, and the multiple single-phase bimodulus node be connected with described district's information source node power line carrier communication; Multiple described single-phase bimodulus node is connected with described Network Central Node micro power radio communication; Described district's information source node is arranged at the low-pressure side of platform district transformer, and multiple described single-phase bimodulus Node configuration is on the low-voltage power line of described each phase of district's transformer;
Described district's information source node, for receiving platform district transformer numbering corresponding to described district's transformer from described Network Central Node, and fixed time broadcast comprises the information source information of described district's transformer numbering and the numbering of the phase sequence belonging to this low-voltage power line on the low-voltage power line of described each phase of district's transformer;
Described single-phase bimodulus node, for being received in the described information source information that corresponding low-voltage power line transmits, resolve and obtain platform district transformer numbering corresponding to this single-phase bimodulus node and phase sequence numbering, and when checking meter or safeguard roll-call, the power information of this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to described Network Central Node;
Described Network Central Node, for sending platform district transformer numbering extremely described district's information source node corresponding to described district's transformer, and receive the information of the power information comprising this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering that multiple described single-phase bimodulus node sends, and the power information of multiple described single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to main website.
2. bimodulus heterogeneous network communication system according to claim 1, is characterized in that, described district's information source node, also on the low-voltage power line described each phase of district's transformer, broadcasts field strength measurement signal;
Described single-phase bimodulus node, also for being received in the field strength measurement signal that described low-voltage power line transmits, gather and record the field intensity value of this single-phase bimodulus node, when described Network Central Node inquires the field intensity value of this single-phase bimodulus node, the field intensity value of this recorded single-phase bimodulus node is sent to described Network Central Node.
3. bimodulus heterogeneous network communication system according to claim 2, it is characterized in that, described single-phase bimodulus node, also for receiving respectively and recording the center signal source of described district's information source node transmission and the field intensity value of the relay forwarding signal source of other single-phase bimodulus nodes forwardings, determine the communication neighbour of this single-phase bimodulus node according to the described field intensity value of record, the information wherein said field intensity value being met two communication neighbours of preset requirement is sent to described Network Central Node.
4. bimodulus heterogeneous network communication system according to claim 3, it is characterized in that, described Network Central Node, platform district transformer also for sending according to described district's information source node and multiple described single-phase bimodulus node is numbered and phase sequence numbering, the information of field intensity value and the neighbour that communicates, find out described Network Central Node to some of described district's information source node and each single-phase bimodulus node suitable communication lines by, the described communication lines found out is compared by carrying out communication test one by one, determine the described communication lines of communication efficiency first by for main communication lines by, the described communication lines of communication efficiency second is by being spare communication route.
5. the bimodulus heterogeneous network communication system according to any one of claim 1-4, is characterized in that, described Network Central Node, platform district information source node and single-phase bimodulus node all have the dual mode communication mode of the wireless and power line carrier of micropower; Described Network Central Node is arranged on the low-voltage power line of described the arbitrary phase of district's transformer;
Described Network Central Node is communicated to connect by the wireless or power line carrier of micropower and described district's information source node, described Network Central Node is connected with described single-phase bimodulus node communication by the wireless or power line carrier of micropower, and between multiple described single-phase bimodulus node, by micropower, wireless or power line carrier communicates to connect mutually.
6. bimodulus heterogeneous network communication system according to claim 5, is characterized in that, described Network Central Node is the concentrator of the dual mode communication mode with the wireless and power line carrier of micropower;
Described district's information source node is the collector of the dual mode communication mode with the wireless and power line carrier of micropower;
Described single-phase bimodulus node is the communication module of the dual mode communication mode with the wireless and power line carrier of micropower, is arranged in single-phase electric energy meter or collector.
7. a bimodulus heterogeneous network communication method, it is characterized in that, described method is applied to a kind of bimodulus heterogeneous network communication system, described system comprises: Network Central Node, the platform district information source node be connected with described Network Central Node micro power radio communication, and the multiple single-phase bimodulus node be connected with described district's information source node power line carrier communication; Multiple described single-phase bimodulus node is connected with described Network Central Node micro power radio communication; Described district's information source node is arranged at the low-pressure side of platform district transformer, and multiple described single-phase bimodulus Node configuration is on the low-voltage power line of described each phase of district's transformer; Described method comprises:
Described Network Central Node sends platform district transformer numbering extremely described district's information source node corresponding to described district's transformer;
Described district's information source node receives platform district transformer numbering corresponding to described district's transformer from described Network Central Node, and fixed time broadcast comprises the information source information of described district's transformer numbering and the numbering of the phase sequence belonging to this low-voltage power line on the low-voltage power line of described each phase of district's transformer;
Described single-phase bimodulus node is received in the described information source information that corresponding low-voltage power line transmits, resolve and obtain platform district transformer numbering corresponding to this single-phase bimodulus node and phase sequence numbering, and when checking meter or safeguard roll-call, the power information of this single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to described Network Central Node;
Described Network Central Node receives the information of the power information comprising this single-phase bimodulus node, platform district transformer numbering and the phase sequence numbering that described single-phase bimodulus node sends, and the power information of multiple described single-phase bimodulus node, platform district transformer numbering and phase sequence numbering are sent to main website.
8. bimodulus heterogeneous network communication method according to claim 7, it is characterized in that, described method also comprises:
Described district's information source node broadcasts field strength measurement signal on the low-voltage power line of described each phase of district's transformer;
Described single-phase bimodulus node is received in the field strength measurement signal that described low-voltage power line transmits, gather and record the field intensity value of this single-phase bimodulus node, when described Network Central Node inquires the field intensity value of this single-phase bimodulus node, the field intensity value of this recorded single-phase bimodulus node is sent to described Network Central Node.
9. bimodulus heterogeneous network communication method according to claim 8, it is characterized in that, described method also comprises:
Described single-phase bimodulus node receives respectively and records the field intensity value of the center signal source of described district's information source node transmission and the relay forwarding signal source of other single-phase bimodulus nodes forwardings, determine the communication neighbour of this single-phase bimodulus node according to the described field intensity value of record, the information wherein said field intensity value being met two communication neighbours of preset requirement is sent to described Network Central Node.
10. bimodulus heterogeneous network communication method according to claim 9, it is characterized in that, described method also comprises:
Described Network Central Node is according to the platform district transformer numbering of described district's information source node and multiple described single-phase bimodulus node and phase sequence is numbered, the information of field intensity value and the neighbour that communicates, find out described Network Central Node to some of described district's information source node and each single-phase bimodulus node suitable communication lines by, the described communication lines found out is compared by carrying out communication test one by one, determine the described communication lines of communication efficiency first by for main communication lines by, the described communication lines of communication efficiency second is by being spare communication route.
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