WO2014079227A1 - 生成plc物理拓扑图及获取plc节点间线路信息的方法和装置 - Google Patents

生成plc物理拓扑图及获取plc节点间线路信息的方法和装置 Download PDF

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Publication number
WO2014079227A1
WO2014079227A1 PCT/CN2013/079752 CN2013079752W WO2014079227A1 WO 2014079227 A1 WO2014079227 A1 WO 2014079227A1 CN 2013079752 W CN2013079752 W CN 2013079752W WO 2014079227 A1 WO2014079227 A1 WO 2014079227A1
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WIPO (PCT)
Prior art keywords
nodes
power line
node
length
gps coordinates
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PCT/CN2013/079752
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English (en)
French (fr)
Inventor
王立城
李明维
褚广斌
高飞
齐永忠
张传远
Original Assignee
国家电网公司
国网电力科学研究院
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Publication of WO2014079227A1 publication Critical patent/WO2014079227A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/48—Testing attenuation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40—Display of information, e.g. of data or controls
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

Definitions

  • the present invention relates to the field of power line carrier communication, and in particular, to a method and apparatus for generating a power line carrier communication network (hereinafter referred to as PLC) physical topology and acquiring line information between PLC nodes.
  • PLC power line carrier communication network
  • Manually designated relay Signal transmission is performed by manually assigning certain acquisition modules as fixed repeaters in the centralized mode according to the site conditions.
  • Dynamic automatic relay According to the specific networking scheme, according to the relay level and response time allocation address of the power line carrier communication module of the meter end, the connection is automatically monitored after the connection is established, and the adjustment is automatically performed according to the network condition to ensure real-time communication.
  • the concentrator exhaustively transmits an effective relay path by polling the carrier module, and the exhaustive traversal calculation process consumes a large amount of hardware resources and time, with the number of nodes.
  • the concentrator resources cannot perform a large number of calculations, thus limiting the speed of meter reading.
  • a method for generating a physical topology map of a power line carrier communication network comprising the steps of: acquiring GPS coordinates of a node;
  • the physical topology map of the power line carrier communication network is generated by combining the electronic map.
  • the method for generating a physical topology map of a power line carrier communication network proposed by the present invention is to acquire a GPS coordinate and an IP address of a node, that is, a physical topology map is jointly generated by a physical location and a logical position of the node.
  • a physical topology map is jointly generated by a physical location and a logical position of the node.
  • the step of acquiring GPS coordinates of the node includes: obtaining GPS coordinates from the node and/or the GPS terminal.
  • the solution is to locate and obtain GPS coordinates through the GPS terminal, which avoids the transformation of the node.
  • the method further includes:
  • the sequential position and the preset mathematical model, the power line direction and the power line length between the nodes are obtained.
  • the scheme further obtains detailed information between the nodes.
  • the predetermined mathematical model is:
  • Two nodes in a sequential position on the power line are set as two opposite corners of the rectangular parallelepiped, and the line between the two nodes is an edge of a rectangular parallelepiped connecting the two nodes, and the length of the power line between the two nodes is The sum of the length, width and height of the cuboid.
  • the model proposed in this scheme is simple, reliable and accurate.
  • the method further includes:
  • a three-dimensional line topology map is generated based on the obtained power line direction and power line length between the nodes.
  • the scheme generates a three-dimensional line topology map based on the obtained information between the nodes, and further provides intuitive node network information.
  • the invention also proposes a method for acquiring line information between nodes in a power line carrier communication network.
  • Method the method includes:
  • the power line direction and the power line length between the nodes are obtained according to the spatial rectangular coordinates, the sequential position, and the preset mathematical model.
  • the step of acquiring GPS coordinates of the node includes: obtaining GPS coordinates from the node and/or the GPS terminal.
  • the predetermined mathematical model is:
  • Two nodes in a sequential position on the power line are set as two opposite corners of the rectangular parallelepiped, and the line between the two nodes is an edge of a rectangular parallelepiped connecting the two nodes, and the length of the power line between the two nodes is The sum of the length, width and height of the cuboid.
  • the method further includes:
  • a three-dimensional line topology map is generated based on the spatial rectangular coordinates of the node and the power line trend and power line length between the nodes.
  • the carrier module GPS information and the mathematical model of the rectangular parallelepiped length are used to calculate the relative position of the module, the line length, and the line direction to obtain spatial stereo information, and more preferably, the stereoscopic image can also be displayed in a 3D stereoscopic manner.
  • the method of line topology can more intuitively reflect the actual topology of the voltage power carrier network.
  • the present invention also provides an apparatus for generating a physical topology map of a power line carrier communication network, including: a first acquiring module, configured to acquire GPS coordinates of a node;
  • a second obtaining module configured to obtain, according to an IP address of the node, a number of layers in which the node is located in the network;
  • a first processing module configured to use the GPS coordinates of the node and the number of layers of the node in the network, and combine the electronic map Generate a physical topology map of the power line carrier communication network.
  • the first acquisition module obtains GPS coordinates from a node and/or a GPS terminal.
  • the apparatus further includes a second processing module, configured to: convert the GPS coordinates into spatial rectangular coordinates;
  • the sequential position and the preset mathematical model, the power line direction and the power line length between the nodes are obtained.
  • the preset mathematical model in the second processing module is: setting two nodes in the sequential position on the power line to two opposite corners of the rectangular parallelepiped, and the line direction between the two nodes is An edge of a rectangular parallelepiped connecting the two nodes, the length of the power line between the two nodes being the sum of the length, width and height of the rectangular parallelepiped.
  • the second processing module is further configured to: generate a three-dimensional line topology according to the power line direction and the power line length between the obtained nodes.
  • the present invention also provides an apparatus for obtaining line information between nodes in a power line carrier communication network, including:
  • a third obtaining module configured to acquire GPS coordinates of the node and convert the GPS coordinates into spatial rectangular coordinates
  • a fourth obtaining module configured to obtain, according to an IP address of the node, a number of layers in which the node is located in the network
  • a fifth acquiring module configured to obtain, according to a signal attenuation degree, a sequential position of the nodes in the same layer on the power line in the network
  • a third processing module configured to obtain a power line trend and a power line length between the nodes according to the spatial rectangular coordinate, the sequential position, and the preset mathematical model.
  • the third acquisition module obtains GPS coordinates from the node and/or the GPS terminal.
  • the preset mathematical model in the third processing module is: setting two nodes in a sequential position on the power line to two opposite corners of the rectangular parallelepiped, and the line direction between the two nodes is An edge of a rectangular parallelepiped connecting the two nodes, the length of the power line between the two nodes being the sum of the length, width and height of the rectangular parallelepiped.
  • the third processing module is further configured to: generate a three-dimensional line topology map according to a spatial rectangular coordinate of the node and a power line trend and a power line length between the nodes.
  • FIG. 1 is a flow chart showing a method for generating a physical topology map of a power line carrier communication network according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic diagram of an application environment of a physical topology diagram of a power line carrier communication network according to the present invention
  • FIG. 3 is a schematic flow chart of a method for generating a physical topology diagram of a power line carrier communication network according to a specific embodiment of FIG. 2;
  • FIG. 4 is a schematic diagram of a network topology in the specific embodiment of FIG. 2 of the present invention.
  • FIG. 5 is an example of a physical topology diagram generated in accordance with the specific embodiment of FIG. 2 of the present invention
  • FIGS. 6a and 6b are mathematical models of circuit line and line length between computing nodes in a specific embodiment of the present invention
  • FIG. 7 is an example of a three-dimensional line topology generated by the specific embodiment of FIG. 2 of the present invention
  • FIG. 8 is a block diagram for acquiring a power line carrier communication network according to another preferred embodiment of the present invention.
  • FIG. 9 is a first schematic structural diagram of an apparatus for generating a physical topology diagram of a power line carrier communication network according to a preferred embodiment of the present invention.
  • FIG. 10 is a second schematic structural diagram of an apparatus for generating a physical topology diagram of a power line carrier communication network according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of an apparatus for acquiring line information between nodes in a power line carrier communication network according to another preferred embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT(S) The preferred embodiments of the present invention are described with reference to the accompanying drawings.
  • FIG. 1 is a schematic diagram of a preferred embodiment of a method for generating a physical topology diagram of a power line carrier communication network according to the present invention, including the following steps: Step S1 l: acquiring GPS coordinates of the node;
  • Step S12 Obtain, according to the IP address of the node, the number of layers that the node is in the network;
  • Step S13 Generate a physical topology map of the power line carrier communication network according to the GPS coordinates of the node and the number of layers in which the node is located in the network, and the electronic map.
  • the method for generating a physical topology map of a power line carrier communication network proposed by the present invention is to acquire a GPS coordinate and an IP address of a node, that is, a physical topology map is jointly generated by a physical location and a logical position of the node.
  • a physical topology map is jointly generated by a physical location and a logical position of the node.
  • FIG. 2 is a flowchart of a specific embodiment of a method for generating a physical topology diagram of a power line carrier communication network according to the present invention, which includes the following steps: Step S31: Slave node And/or the GPS terminal obtains GPS coordinates.
  • a node refers to a power module in a power line carrier communication network and a carrier module in a concentrator, such as the carrier module 3 in the electric meter 2 shown in Fig. 2, and the carrier module 6 in the concentrator 4.
  • the carrier module is used for communication between the meter 2 and the concentrator 4, the concentrator 4 and the main station 11 of the power supply station. If a GPS unit is equipped for each carrier module, the cost will increase significantly. Therefore, in the present embodiment, the carrier module is positioned by the GPS terminal 1 having the GPS positioning function. Then, the GPS terminal 1 transmits the GPS coordinates (N, E, H) at the place to the carrier module through the power line, where N represents latitude, E represents longitude, and H represents altitude.
  • the GPS coordinate information of the location where the carrier module is stored is stored in the carrier module, and the GPS terminal 1 can also store the table address and GPS coordinate information of the meter corresponding to the carrier module.
  • each carrier module (node) can be equipped with a single GPS unit separately, regardless of cost factors. Therefore, the carrier module (node) can complete the task of acquiring its own GPS coordinates through the built-in GPS unit.
  • Step S32 Obtain the number of layers the node is in the network according to the IP address of the node.
  • a network topology as shown in FIG. 4 is generated according to the number of relays required by the carrier module in each meter, and an IP address is assigned to each carrier module. Contains the number of layers in the network in which the carrier module is located and the location at that layer.
  • Step S33 Generate a physical topology diagram of the power line carrier communication network according to the GPS coordinates of the node and the number of layers of the node in the network, as shown in FIG. 5 .
  • the physical topology diagram shown in Figure 5 is generated, the physical location and logical location of each node in the network can be clearly seen on the map. However, it is still unclear how the power line between the nodes is specific. In order to further obtain the line information between the nodes, the following steps can be continued:
  • Step S34 Convert the obtained GPS coordinates of each node into spatial rectangular coordinates.
  • the GPS coordinates are (N, E, H), where N is the latitude, E is the longitude, and H is the altitude. In the range of a station area, the ground can be approximated as a plane.
  • the axis, the y-axis, and the z-axis can be from west to east, from south to north, from bottom to top, and the scale units of the three axes are meters.
  • Step S35 Obtain the successive positions of the nodes in the same layer on the power line according to the degree of signal attenuation.
  • the degree of signal attenuation can be used to obtain the position of the node on the power line.
  • Step S36 Obtain a power line trend and a power line length between the nodes according to the spatial rectangular coordinates of the node, the sequential position, and the preset mathematical model.
  • the preset mathematical model is: setting two nodes in a sequential position on the power line to two opposite corners of the rectangular parallelepiped, and the line between the two nodes is an edge of a rectangular parallelepiped connecting the two nodes, two
  • the length of the power line between the nodes is the sum of the length, width and height of the cuboid.
  • the preset mathematical model is established based on the following considerations:
  • the wires are horizontally along the street or the wall outside the house, that is, coincident with the X-axis and the y-axis.
  • the wires are basically vertically rising along the floor in the vertical direction, that is, coincident with the z-axis.
  • the default model is shown in Figure 6a and Figure 6b. Assume that the two interconnected nodes are Pl(xl, yl, zl), P2(x2, y2, z2), which are the two diagonals of the box (ie: The two nodes in the power line are set to two diagonals of the rectangular parallelepiped.
  • the C1 point in Figure 6a and Figure 6b is PI
  • the A2 point is P2
  • the line between the two nodes P1 and P2 is Along the ribs A2A1, A1D1, D1C1 of the cuboid (ie, the line between the two nodes is the ridge of the cuboid connecting the two nodes)
  • the length of the line between the two nodes PI and P2 is (ie: the length of the power line between the two nodes is the sum of the length, width and height of the cuboid):
  • Step S37 Generate a three-dimensional line topology according to the obtained power line direction and power line length between the nodes.
  • FIG. 7 is a three-dimensional market diagram.
  • the method of calculating the relative position of the module, the length of the line and the line direction to obtain the spatial stereo information by using the GPS information of the carrier module and the mathematical model of the rectangular length and the line direction, and displaying the three-dimensional line topology in a 3D stereoscopic manner can further Intuitively reflects the actual topology of the voltage power carrier network.
  • the present invention also provides a method for obtaining line information between nodes in a power line carrier communication network.
  • the line information in this embodiment includes: line direction and line length information of the power line, and the method includes:
  • Step S81 Acquire the GPS coordinates of the node and convert the GPS coordinates into spatial rectangular coordinates
  • Step S82 Obtain the number of layers of the node in the network according to the IP address of the node;
  • Step S83 obtaining successive positions of nodes on the same layer in the network on the power line according to the degree of signal attenuation;
  • Step S84 Obtain a power line trend and a power line length between the nodes according to the spatial rectangular coordinates, the sequential position, and the preset mathematical model.
  • the line direction and the line length between the nodes are directly obtained according to the GPS coordinates of the node and the successive positions of the nodes on the power line.
  • the step of acquiring the GPS coordinates of the node includes: obtaining GPS coordinates from the node and/or the GPS terminal.
  • the preset mathematical model is:
  • Two nodes in a sequential position on the power line are set as two opposite corners of the rectangular parallelepiped, and the line between the two nodes is an edge of a rectangular parallelepiped connecting the two nodes, and the length of the power line between the two nodes is The sum of the length, width and height of the cuboid, please refer to Figure 6a and Figure 6b for specific explanation and explanation. Related description.
  • the method may further include:
  • a three-dimensional line topology map is generated based on the spatial rectangular coordinates of the node and the power line trend and power line length between the nodes.
  • the carrier module GPS information and the mathematical model of the rectangular parallelepiped length are used to calculate the relative position of the module, the line length, and the line direction to obtain spatial stereo information, and more preferably, the stereoscopic image can also be displayed in a 3D stereoscopic manner.
  • the method of line topology can more intuitively reflect the actual topology of the voltage power carrier network.
  • the present invention provides a device for generating a physical topology map of a power line carrier communication network, as shown in FIG. 9, comprising:
  • a first obtaining module 901 configured to acquire GPS coordinates of the node
  • the second obtaining module 902 is configured to obtain, according to the IP address of the node, a layer of the node in the network;
  • the first processing module 903 is configured to generate a physical topology map of the power line carrier communication network according to the GPS coordinates and the number of layers in which the node is located in the network, and the electronic map.
  • the first acquisition module 901 obtains GPS coordinates from the node and/or the GPS terminal.
  • the apparatus may further include a second processing module 904, configured to: convert the GPS coordinates into spatial rectangular coordinates;
  • the sequential position and the preset mathematical model, the power line direction and the power line length between the nodes are obtained.
  • the preset mathematical model in the second processing module 904 is: setting two nodes in a sequential position on the power line to two opposite corners of the rectangular parallelepiped, and the line between the two nodes is connected
  • the rib of the two-node cuboid, the length of the electric line between the two nodes is the sum of the length, width and height of the cuboid.
  • the second processing module 904 is further configured to: generate a three-dimensional line topology according to the obtained power line direction and the power line length between the nodes.
  • the present invention also provides an apparatus for acquiring line information between nodes in a power line carrier communication network.
  • the method includes:
  • the third obtaining module 1101 is configured to acquire GPS coordinates of the node and convert the GPS coordinates into spatial rectangular coordinates;
  • the fourth obtaining module 1102 is configured to obtain, according to the IP address of the node, the number of layers that the node is in the network;
  • a fifth obtaining module 1103, configured to obtain, according to a signal attenuation degree, a sequential position of a node at the same layer in the network on a power line;
  • the third processing module 1104 is configured to obtain a power line trend and a power line length between the nodes according to the spatial rectangular coordinate, the sequential position, and the preset mathematical model.
  • the third obtaining module 1101 obtains GPS coordinates from the node and/or the GPS terminal.
  • the preset mathematical model in the third processing module 1104 is: setting two nodes in a sequential position on the power line to two opposite corners of the rectangular parallelepiped, and the line between the two nodes is a rectangular parallelepiped connecting the two nodes.
  • the edge of the power line between the two nodes is the sum of the length, width and height of the cuboid.
  • the third processing module 1104 is further configured to: generate a three-dimensional line topology according to the spatial rectangular coordinates of the node and the power line direction and the power line length between the nodes.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) in which computer usable program code is embodied.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the computer readable memory is stored in the computer readable memory.
  • the instructions in the production result include an article of manufacture of an instruction device that implements the functions specified in a block or blocks of a flow or a flow and/or a block diagram of the flowchart.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

本发明公开了一种生成PLC物理拓扑图及获取PLC节点间线路信息的方法和装置，其中，生成PLC物理拓扑图的方法包括：获取节点的GPS坐标；根据节点的IP地址获得节点在网络中所处的层数；根据节点的GPS坐标和节点在网络中所处的层数，并结合电子地图生成电力线载波通信网络物理拓扑图。本发明通过节点的物理位置和逻辑位置来共同生成物理拓扑图。通过本发明生成的物理拓扑图，可以快速直观地了解本台区的电表分布，实现了电压电力载波网络的可视化管理。

Description

生成 PLC物理拓朴图及获取 PLC节点间线路信息的方法和装置
技术领域 本发明涉及电力线载波通信领域， 尤其涉及一种生成电力线载波通信网 络（ Power Line Communication, 以下简称 PLC )物理拓朴及获取 PLC节点 间线路信息的方法和装置。 背景技术 目前， 市场上电力线载波通信组网大多采用人工指定中继和动态自动中 继两种方式。
人工指定中继： 由人工根据现场情况， 采用固定中继的方式， 通过在集 中器中预先指定某些采集模块作为固定的中继器， 来进行信号传递。
该方式存在的缺点： 因电力线载波通信信道的时变性和强干扰性等特点， 使得电力载波网络的物理拓朴会经常发生变化， 而且针对大规模网络设置中 继是一件非常困难的事情。
动态自动中继： 根据具体组网方案， 按照电表端电力线载波通信模块的 中继级别和响应时间分配地址， 建立连接后进行自动监测， 根据网络的情况 自动进行调整， 保证实时通信。
该方式存在的缺点：
由于该方式中， 集中器通过对载波模块的轮询， 利用排列组合的方式穷 举传输出有效中继路径， 而穷举遍历的计算过程会占用大量的硬件资源和时 间， 随着节点个数和中继级数的增加， 集中器资源无法完成大量的计算， 因 此限制了抄表的速度。 发明内容 有鉴于此， 本发明的目的在于提出一种生成电力线载波通信网络的物理 拓朴图的方法和装置， 其能够提供电力线载波通信网络中各节点位置的物理 拓朴图。
为达此目的， 本发明采用以下技术方案： 一种生成电力线载波通信网络物理拓朴图的方法， 包括以下步骤： 获取节点的 GPS坐标；
根据节点的 IP地址获得节点在网络中所处的层数；
根据节点的 GPS坐标和节点在网络中所处的层数， 并结合电子地图生成 电力线载波通信网络物理拓朴图。
本发明提出的生成电力线载波通信网络物理拓朴图的方法， 是获取节点 的 GPS坐标和 IP地址， 即通过节点的物理位置和逻辑位置来共同生成物理 拓朴图。 通过本发明生成的物理拓朴图， 可以快速直观地了解本台区的电表 分布， 实现了电压电力载波网络的可视化管理。
作为上述技术方案的优选， 所述获取节点的 GPS坐标的步骤包括： 从节 点和 /或 GPS终端获得 GPS坐标。 本方案是通过 GPS终端定位并获得 GPS 坐标， 避免了对节点进行改造。
作为上述技术方案的优选， 所述方法还包括：
将所述 GPS坐标变换为空间直角坐标；
根据信号衰减程度获得在网络中处于同一层的节点在电力线上的先后位 置；
根据所述空间直角坐标、 先后位置及预设的数学模型获得节点之间的电 力线走向和电力线长度。
本方案在生成物理拓朴图的基础上， 更进一步地获得了节点之间的详细 信息。
作为上述技术方案的优选， 所述预设的数学模型为：
将电力线上处于先后位置的两个节点设置为长方体的两个对角， 两个节 点之间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力 线长度为所述长方体的长宽高之和。
本方案提出的模型简单、 可靠、 准确度高。
作为上述技术方案的优选， 所述方法还包括：
根据获得的节点之间的电力线走向和电力线长度生成三维线路拓朴图。 本方案根据获得的节点之间的信息生成了三维线路拓朴图 , 更进一步地 提供了直观的节点网络信息。
本发明还提出一种获取电力线载波通信网络中节点之间线路信息的方 法， 所述方法包括：
获取节点的 GPS坐标并将所述 GPS坐标转换成空间直角坐标； 根据节点的 IP地址获得节点在网络中所处的层数；
根据信号衰减程度获得在网络中处于同一层的节点在电力线上的先后位 置；
根据所述空间直角坐标、 先后位置以及预设的数学模型获得节点之间的 电力线走向和电力线长度。
作为上述技术方案的优选， 所述获取节点的 GPS坐标的步骤包括： 从节 点和 /或 GPS终端获得 GPS坐标。
作为上述技术方案的优选， 所述预设的数学模型为：
将电力线上处于先后位置的两个节点设置为长方体的两个对角， 两个节 点之间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力 线长度为所述长方体的长宽高之和。
作为上述技术方案的优选， 所述方法还包括：
根据节点的空间直角坐标和节点之间的电力线走向和电力线长度生成三 维线路拓朴图。
本实施例利用载波模块 GPS信息和 "长方体棱长和" 的数学模型来计算 模块相对位置、 线路长度以及线路走向来获取空间立体信息， 并且更优选地， 还可以以 3D 立体图形方式显示的立体线路拓朴图的方法， 能够更加直观的 反映电压电力载波网络的实际拓朴。
本发明还提出一种生成电力线载波通信网络物理拓朴图的装置， 包括： 第一获取模块， 用于获取节点的 GPS坐标；
第二获取模块， 用于根据节点的 IP地址获得节点在网络中所处的层数； 第一处理模块， 用于根据节点的 GPS坐标和节点在网络中所处的层数， 并结合电子地图生成电力线载波通信网络物理拓朴图。
作为上述技术方案的优选，所述第一获取模块从节点和 /或 GPS终端获得 GPS坐标。
作为上述技术方案的优选， 所述装置还包括第二处理模块， 用于： 将所述 GPS坐标变换为空间直角坐标；
根据信号衰减程度获得在网络中处于同一层的节点在电力线上的先后位 置；
根据所述空间直角坐标、 先后位置及预设的数学模型获得节点之间的电 力线走向和电力线长度。
作为上述技术方案的优选， 所述第二处理模块中的预设的数学模型为： 将电力线上处于先后位置的两个节点设置为长方体的两个对角， 两个节点之 间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力线长 度为所述长方体的长宽高之和。
作为上述技术方案的优选， 所述第二处理模块还用于： 根据获得的节点 之间的电力线走向和电力线长度生成三维线路拓朴图。
本发明还提出一种获取电力线载波通信网络中节点之间线路信息的装 置， 包括：
第三获取模块，用于获取节点的 GPS坐标并将所述 GPS坐标转换成空间 直角坐标；
第四获取模块， 用于根据节点的 IP地址获得节点在网络中所处的层数； 第五获取模块， 用于根据信号衰减程度获得在网络中处于同一层的节点 在电力线上的先后位置；
第三处理模块， 用于根据所述空间直角坐标、 先后位置以及预设的数学 模型获得节点之间的电力线走向和电力线长度。
作为上述技术方案的优选，所述第三获取模块从节点和 /或 GPS终端获得 GPS坐标。
作为上述技术方案的优选， 所述第三处理模块中的预设的数学模型为： 将电力线上处于先后位置的两个节点设置为长方体的两个对角， 两个节点之 间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力线长 度为所述长方体的长宽高之和。
作为上述技术方案的优选， 所述第三处理模块还用于： 根据节点的空间 直角坐标和节点之间的电力线走向和电力线长度生成三维线路拓朴图。
本发明的其它特征和优点将在随后的说明书中阐述， 并且， 部分地从说 明书中变得显而易见， 或者通过实施本发明而了解。 本发明的目的和其他优 点可通过在所写的说明书、 权利要求书、 以及附图中所特别指出的结构来实 现和获得。 下面通过附图和实施例， 对本发明的技术方案做进一步的详细描述。 附图说明 附图用来提供对本发明的进一步理解， 并且构成说明书的一部分， 与本 发明的实施例一起用于解释本发明， 并不构成对本发明的限制。 在附图中： 图 1是本发明优选实施例提出的生成电力线载波通信网络物理拓朴图的 方法的流程示意图；
图 2是本发明生成电力线载波通信网络物理拓朴图具体实施例的应用环 境的示意图；
图 3是本发明图 2具体实施例提出的生成电力线载波通信网络物理拓朴 图的方法的流程示意图；
图 4是本发明图 2具体实施例中网络拓朴的示意图；
图 5是才艮据本发明图 2具体实施例生成的物理拓朴图的示例； 图 6a和 6b是本发明具体实施例中计算节点间线路走向和线路长度的数 学模型；
图 7是本发明图 2具体实施例生成的三维线路拓朴图的示例； 图 8是本发明另一优选实施例提出的用于获取电力线载波通信网络中节
, 之间线路信息的方法的流程示意图；
图 9是本发明优选实施例提出的生成电力线载波通信网络物理拓朴图的 装置的第一结构示意图；
图 10是本发明具体实施例提出的生成电力线载波通信网络物理拓朴图 的装置的第二结构示意图；
图 11 是本发明另一优选实施例提出的用于获取电力线载波通信网络中 节点之间线路信息的装置的结构示意图。 具体实施方式 以下结合附图对本发明的优选实施例进行说明， 应当理解， 此处所描述 的优选实施例仅用于说明和解释本发明， 并不用于限定本发明。
如图 1所示为本发明提出的生成电力线载波通信网络物理拓朴图的方法 的优选实施例， 包括以下步骤： 步骤 Sl l : 获取节点的 GPS坐标；
步骤 S12: 根据节点的 IP地址获得节点在网络中所处的层数；
步骤 S13 : 根据节点的 GPS坐标和节点在网络中所处的层数， 并结合电 子地图生成电力线载波通信网络物理拓朴图。
本发明提出的生成电力线载波通信网络物理拓朴图的方法， 是获取节点 的 GPS坐标和 IP地址， 即通过节点的物理位置和逻辑位置来共同生成物理 拓朴图。 通过本发明生成的物理拓朴图， 可以快速直观地了解本台区的电表 分布， 实现了电压电力载波网络的可视化管理。 朴图的方法进行详细说明。
如图 2所示为本发明的应用环境， 如图 3所示为本发明提出的生成电力 线载波通信网络物理拓朴图的方法的具体实施例的流程图， 包括以下步骤： 步骤 S31 : 从节点和 /或 GPS终端获得 GPS坐标。
在本发明中， 节点是指电力线载波通信网络中的电表和集中器中的载波 模块， 如图 2中所示的电表 2中的载波模块 3、 集中器 4中的载波模块 6。 载 波模块用于电表 2与集中器 4, 集中器 4与供电局主站 11之间的通信。 如果 为每一个载波模块配备一个 GPS单元， 那么势必成本的大幅度升高。 因此， 本实施例中， 由具有 GPS定位功能的 GPS终端 1对载波模块进行定位。 然后 GPS终端 1将该处的 GPS坐标（N, E, H )通过电力线传输给该载波模块， 其中 N表示纬度， E表示经度， H表示海拔。 这样， 载波模块中就存储了其 所处位置的 GPS坐标信息，同时 GPS终端 1也可以存储该载波模块对应的电 表的表地址和 GPS坐标信息。 当然， 本领域技术人员应该了解， 如果不考虑 成本因素， 每个载波模块（节点）可以单独配备一个 GPS单元。 因此， 载波 模块（节点 )可以通过内设的 GPS单元完成获取自身的 GPS坐标的任务。
步骤 S32: 根据节点的 IP地址获得节点在网络中所处的层数。
目前， 当集中器对其管辖范围组网时， 会根据各个电表中的载波模块所 需的中继次数生成如图 4所示的网络拓朴，为每个载波模块分配一个 IP地址， 该地址包含了该载波模块所处网络中的层数以及在该层的位置。
步骤 S33 : 根据节点的 GPS坐标和节点在网络中所处的层数， 并结合电 子地图生成电力线载波通信网络物理拓朴图， 如图 5所示。 生成了如图 5所示的物理拓朴图后， 可以在地图上清楚地看到网络中各 节点的物理位置和逻辑位置。 但是， 各个节点之间的电力线走向具体如何还 是不得而知， 为了更进一步地获取各个节点之间的线路信息， 还可以继续执 行以下步骤：
步骤 S34: 将获得的各节点的 GPS坐标变换为空间直角坐标。
GPS坐标为 （N, E, H ), 其中 N表示纬度， E表示经度， H表示海拔。 在一个台区的范围内可以近似认为地面是一个平面， 通过以下的坐标转换公 式可以将 GPS坐标转换为空间直角坐标： （X, y, z)=f (N, E, H), 其中 x轴， y 轴， z轴可以分别为由西向东、 由南向北、 由下向上， 并且 3个轴的刻度单位 都为米。
步骤 S35: 根据信号衰减程度获得在网络中处于同一层的节点在电力线 上的先后位置。
在电力线载波通信网络， 随着线路的长度的增加， 信号强度会越来越弱， 因此， 可以通过信号衰减程度来获得节点在电力线上的先后位置。
步骤 S36: 根据节点的空间直角坐标、 先后位置及预设的数学模型获得 节点之间的电力线走向和电力线长度。
其中， 预设的数学模型为： 将电力线上处于先后位置的两个节点设置为 长方体的两个对角， 两个节点之间的线路走向为连接所述两个节点的长方体 的棱， 两个节点之间的电力线长度为所述长方体的长宽高之和。
在本实施例中， 该预设的数学模型是基于如下考虑建立的：
1. 房屋大多都是南北或东西朝向， 因此假定街道和房屋的墙面都是沿着 地球的经线和纬线。
2. 电线在水平方向都是沿着街道或是房屋外面的墙壁， 即和 X轴和 y轴 重合。
3. 电线在垂直方向基本上都是沿着楼层垂直上升的， 即和 z轴重合。 预设模型如图 6a 和图 6b 所示， 假设两个相互连接的节点分别为 Pl(xl,yl,zl)、 P2(x2,y2,z2), 为长方体的两个对角 （即： 将电力线上处于先后 位置的两个节点设置为长方体的两个对角）， 如图 6a和图 6b中的 C1点即为 PI , A2点即为 P2 ,两节点 P1和 P2之间的线路走向为沿着长方体的棱 A2A1、 A1D1、 D1C1 (即： 两个节点之间的线路走向为连接两个节点的长方体的棱）， 两节点 PI和 P2之间的线路长度为 （即： 两个节点之间的电力线长度为长方 体的长宽高之和）：
。。 LP、P2 = L A2 =^1£>1 +Α4 +4 = A + Ay + Az = | 1 - 2| + |j1 -j2| + |z1 - z2 | 通过以上步骤， 即获得了两节点之间的线路走向和线路长度， 为了能够 将线路走向和线路长度直观地表示出来， 还可以生成三维线路拓朴图， 因此， 以下为优选实施例中执行的步骤：
步骤 S37: 根据获得的节点之间的电力线走向和电力线长度生成三维线 路拓朴图。
如图 7所示为生成的三维线路拓朴图的示例，是五层市场的立体线路图。 利用载波模块 GPS信息和 "长方体棱长和" 的数学模型来计算模块相对 位置、 线路长度以及线路走向来获取空间立体信息， 并以 3D 立体图形方式 显示的立体线路拓朴图的方法， 能够更加直观的反映电压电力载波网络的实 际拓朴。
本发明还提出一种获取电力线载波通信网络中节点之间线路信息的方 法， 如图 8所示， 本实施例中的线路信息包括： 电力线的线路走向与线路长 度信息， 所述方法包括：
步骤 S81 :获取节点的 GPS坐标并将所述 GPS坐标转换成空间直角坐标； 步骤 S82: 根据节点的 IP地址获得节点在网络中所处的层数；
步骤 S83 : 根据信号衰减程度获得在网络中处于同一层的节点在电力线 上的先后位置；
步骤 S84: 根据所述空间直角坐标、 先后位置以及预设的数学模型获得 节点之间的电力线走向和电力线长度。
在本实施例中， 根据节点的 GPS坐标和节点在电力线上的先后位置直接 获得节点之间的线路走向和线路长度。
其中， 所述获取节点的 GPS坐标的步骤包括： 从节点和 /或 GPS终端获 得 GPS坐标。
所述预设的数学模型为：
将电力线上处于先后位置的两个节点设置为长方体的两个对角， 两个节 点之间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力 线长度为所述长方体的长宽高之和，具体说明及解释请参照上述图 6a和图 6b 的相关描述。
所述方法还可以包括：
根据节点的空间直角坐标和节点之间的电力线走向和电力线长度生成三 维线路拓朴图。
本实施例利用载波模块 GPS信息和 "长方体棱长和" 的数学模型来计算 模块相对位置、 线路长度以及线路走向来获取空间立体信息， 并且更优选地， 还可以以 3D 立体图形方式显示的立体线路拓朴图的方法， 能够更加直观的 反映电压电力载波网络的实际拓朴。
相应地， 本发明提出一种生成电力线载波通信网络物理拓朴图的装置， 如图 9所示， 包括：
第一获取模块 901 , 用于获取节点的 GPS坐标；
第二获取模块 902 , 用于根据节点的 IP地址获得节点在网络中所处的层 数；
第一处理模块 903 ,用于根据所述 GPS坐标和节点在网络中所处的层数， 并结合电子地图生成电力线载波通信网络物理拓朴图。
优选地， 第一获取模块 901从节点和 /或 GPS终端获得 GPS坐标。
优选地， 如图 10所示， 所述装置还可以包括第二处理模块 904, 用于： 将所述 GPS坐标变换为空间直角坐标；
根据信号衰减程度获得在网络中处于同一层的节点在电力线上的先后位 置；
根据所述空间直角坐标、 先后位置及预设的数学模型获得节点之间的电 力线走向和电力线长度。
优选地， 所述第二处理模块 904中的预设的数学模型为： 将电力线上处 于先后位置的两个节点设置为长方体的两个对角， 两个节点之间的线路走向 为连接所述两个节点的长方体的棱， 两个节点之间的电力线长度为所述长方 体的长宽高之和。
第二处理模块 904还用于： 根据获得的节点之间的电力线走向和电力线 长度生成三维线路拓朴图。
本发明还提出一种获取电力线载波通信网络中节点之间线路信息的装 置， 如图 11所示， 包括： 第三获取模块 1101 , 用于获取节点的 GPS坐标并将所述 GPS坐标转换 成空间直角坐标；
第四获取模块 1102 ,用于根据节点的 IP地址获得节点在网络中所处的层 数；
第五获取模块 1103 , 用于根据信号衰减程度获得在网络中处于同一层的 节点在电力线上的先后位置；
第三处理模块 1104, 用于根据所述空间直角坐标、 先后位置以及预设的 数学模型获得节点之间的电力线走向和电力线长度。
其中， 第三获取模块 1101从节点和 /或 GPS终端获得 GPS坐标。
第三处理模块 1104中的预设的数学模型为：将电力线上处于先后位置的 两个节点设置为长方体的两个对角， 两个节点之间的线路走向为连接所述两 个节点的长方体的棱， 两个节点之间的电力线长度为所述长方体的长宽高之 和， 具体说明及解释请参照上述图 6a和图 6b的相关描述。
第三处理模块 1104还用于：根据节点的空间直角坐标和节点之间的电力 线走向和电力线长度生成三维线路拓朴图。
本领域内的技术人员应明白， 本发明的实施例可提供为方法、 系统、 或 计算机程序产品。 因此， 本发明可采用完全硬件实施例、 完全软件实施例、 或结合软件和硬件方面的实施例的形式。 而且， 本发明可采用在一个或多个 其中包含有计算机可用程序代码的计算机可用存储介质 （包括但不限于磁盘 存储器和光学存储器等）上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、 设备（系统）、 和计算机程序产 品的流程图和 /或方框图来描述的。 应理解可由计算机程序指令实现流程图 和 /或方框图中的每一流程和 /或方框、 以及流程图和 /或方框图中的流程 和 /或方框的结合。 可提供这些计算机程序指令到通用计算机、 专用计算机、 嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器， 使得通 过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流 程图一个流程或多个流程和 /或方框图一个方框或多个方框中指定的功能的 装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设 备以特定方式工作的计算机可读存储器中， 使得存储在该计算机可读存储器 中的指令产生包括指令装置的制造品， 该指令装置实现在流程图一个流程或 多个流程和 /或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上， 使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的 处理， 从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图 一个流程或多个流程和 /或方框图一个方框或多个方框中指定的功能的步 骤。 发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求 书 1、 一种生成电力线载波通信网络物理拓朴图的方法， 其特征在于， 包括 以下步骤：
获取节点的 GPS坐标；
根据节点的 IP地址获得节点在网络中所处的层数；
根据所述 GPS坐标和节点在网络中所处的层数， 并结合电子地图生成电 力线载波通信网络物理拓朴图。
2、 根据权利要求 1所述的方法， 其特征在于， 所述获取节点的 GPS坐 标的步骤包括： 从节点和 /或 GPS终端获得 GPS坐标。
3、 根据权利要求 1或 2所述的方法， 其特征在于， 所述方法还包括： 将所述 GPS坐标变换为空间直角坐标；
根据信号衰减程度获得在网络中处于同一层的节点在电力线上的先后位 置；
根据所述空间直角坐标、 先后位置及预设的数学模型获得节点之间的电 力线走向和电力线长度。
4、 根据权利要求 3所述的方法， 其特征在于， 所述预设的数学模型为： 将电力线上处于先后位置的两个节点设置为长方体的两个对角， 两个节 点之间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力 线长度为所述长方体的长宽高之和。
5、 根据权利要求 3或 4所述的方法， 其特征在于， 所述方法还包括： 根据获得的节点之间的电力线走向和电力线长度生成三维线路拓朴图。
6、 一种获取电力线载波通信网络中节点之间线路信息的方法， 其特征在 于， 所述方法包括：
获取节点的 GPS坐标并将所述 GPS坐标转换成空间直角坐标； 根据节点的 IP地址获得节点在网络中所处的层数；
根据信号衰减程度获得在网络中处于同一层的节点在电力线上的先后位 置；
根据所述空间直角坐标、 先后位置以及预设的数学模型获得节点之间的 电力线走向和电力线长度。
7、 根据权利要求 6所述的方法， 其特征在于， 所述获取节点的 GPS坐 标的步骤包括： 从节点和 /或 GPS终端获得 GPS坐标。
8、 根据权利要求 6或 7 所述的方法， 其特征在于， 所述预设的数学模 型为：
将电力线上处于先后位置的两个节点设置为长方体的两个对角， 两个节 点之间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力 线长度为所述长方体的长宽高之和。
9、一种生成电力线载波通信网络物理拓朴图的装置，其特征在于， 包括： 第一获取模块， 用于获取节点的 GPS坐标；
第二获取模块， 用于根据节点的 IP地址获得节点在网络中所处的层数； 第一处理模块， 用于根据所述 GPS坐标和节点在网络中所处的层数， 并 结合电子地图生成电力线载波通信网络物理拓朴图。
10、 根据权利要求 9所述的装置， 其特征在于， 所述第一获取模块从节 点和 /或 GPS终端获得 GPS坐标。
11、 根据权利要求 9或 10所述的装置， 其特征在于， 所述装置还包括第 二处理模块， 用于：
将所述 GPS坐标变换为空间直角坐标；
根据信号衰减程度获得在网络中处于同一层的节点在电力线上的先后位 置；
根据所述空间直角坐标、 先后位置及预设的数学模型获得节点之间的电 力线走向和电力线长度。
12、 根据权利要求 11所述的装置， 其特征在于， 所述第二处理模块中的 预设的数学模型为： 将电力线上处于先后位置的两个节点设置为长方体的两 个对角， 两个节点之间的线路走向为连接所述两个节点的长方体的棱， 两个 节点之间的电力线长度为所述长方体的长宽高之和。
13、 根据权利要求 11或 12所述的装置， 其特征在于， 所述第二处理模 块还用于： 根据获得的节点之间的电力线走向和电力线长度生成三维线路拓 朴图。
14、 一种获取电力线载波通信网络中节点之间线路信息的装置， 其特征 在于， 包括：
第三获取模块，用于获取节点的 GPS坐标并将所述 GPS坐标转换成空间 直角坐标；
第四获取模块， 用于根据节点的 IP地址获得节点在网络中所处的层数； 第五获取模块 , 用于根据信号衰减程度获得在网络中处于同一层的节点 在电力线上的先后位置；
第三处理模块， 用于根据所述空间直角坐标、 先后位置以及预设的数学 模型获得节点之间的电力线走向和电力线长度。
15、 根据权利要求 14所述的装置， 其特征在于， 所述第三获取模块从节 点和 /或 GPS终端获得 GPS坐标。
16、 根据权利要求 14或 15所述的装置， 其特征在于， 所述第三处理模 块中的预设的数学模型为： 将电力线上处于先后位置的两个节点设置为长方 体的两个对角，两个节点之间的线路走向为连接所述两个节点的长方体的棱， 两个节点之间的电力线长度为所述长方体的长宽高之和。
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