WO2020133854A1 - 无线定位模组、无线定位线缆及无线定位线缆系统 - Google Patents

无线定位模组、无线定位线缆及无线定位线缆系统 Download PDF

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Publication number
WO2020133854A1
WO2020133854A1 PCT/CN2019/084891 CN2019084891W WO2020133854A1 WO 2020133854 A1 WO2020133854 A1 WO 2020133854A1 CN 2019084891 W CN2019084891 W CN 2019084891W WO 2020133854 A1 WO2020133854 A1 WO 2020133854A1
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Prior art keywords
wireless
positioning
module
cable
wireless positioning
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PCT/CN2019/084891
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English (en)
French (fr)
Inventor
胡穗延
霍振龙
包建军
陈康
王军
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天地（常州）自动化股份有限公司
中煤科工集团常州研究院有限公司
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Application filed by 天地（常州）自动化股份有限公司, 中煤科工集团常州研究院有限公司 filed Critical 天地（常州）自动化股份有限公司
Publication of WO2020133854A1 publication Critical patent/WO2020133854A1/zh
Priority to ZA2021/03970A priority Critical patent/ZA202103970B/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the invention relates to the technical field of coal mine communications, and in particular to an energy self-collecting wireless positioning module with positioning measurement function, a wireless positioning cable with a wireless positioning module, and a wireless positioning cable system with a wireless positioning cable.
  • the topology of the positioning network is relatively fixed, it is difficult to dynamically change the topology of the positioning network as needed, and the positioning network is not adaptive.
  • the purpose of the present invention is to provide a self-collecting wireless positioning module, a wireless positioning cable, and a wireless positioning cable system for the defects of the prior art.
  • Networking can ensure the positioning accuracy and data communication. Greatly reduces the difficulty of deployment and facilitates installation, disassembly and maintenance.
  • the invention provides an energy self-collecting wireless positioning module, which includes an energy collecting module and a wireless module.
  • the energy collecting module is connected to the wireless module for collecting energy and powering the wireless module.
  • the wireless module communicates with the wireless module.
  • System connection used to achieve ranging positioning and data communication.
  • the energy harvesting module has an energy self-harvesting function, that is, harvesting energy without direct power supply, and supplying power to the wireless module.
  • the energy harvesting module can harvest energy through power line inductive coupling, light energy conversion, temperature difference energy conversion, etc., or Collect energy from the environment through other methods, and convert the collected energy into electrical energy.
  • the wireless module is connected with an energy self-collecting module to obtain the electric energy required for the wireless module to work, and the wireless module can realize data communication and positioning functions.
  • the wireless module can adopt one or several methods of RSSI, TOF, arrival time and other methods to achieve positioning function.
  • the wireless module includes a radio frequency unit and a processing unit.
  • the radio frequency unit is connected to the processing unit for positioning.
  • the processing unit is used to receive signals transmitted by the radio frequency unit and perform signal processing.
  • the positioning accuracy of the wireless module is better than 10 cm.
  • the invention also provides a wireless positioning cable, at least one of the above wireless modules is distributed on the wireless positioning cable, and the wireless modules are distributed on the wireless positioning cable at a certain interval according to their coverage.
  • the wireless positioning cable is laid according to the networking requirements, and the positioning function is realized through the wireless module.
  • the wireless module may be inside the wireless positioning cable or outside the wireless positioning cable.
  • the interval of the wireless modules in the wireless positioning cable is set according to the radiation coverage of the antenna to ensure that there is no positioning blind spot in the target area. Or, there is only one wireless module in each wireless positioning cable, and the wireless module is located at one end of the wireless positioning cable to facilitate manufacturing and deployment.
  • the wireless module also has a wireless communication function, which can send positioning measurement results wirelessly, or the wireless module can wirelessly send the position coordinates of the tag, or the wireless module can provide wireless routing and forwarding services for other wireless modules.
  • the wireless module has ultra-low power consumption.
  • the wireless positioning cable may further include a power supply line.
  • the wireless module in the wireless positioning cable may draw power from the power supply line through inductive coupling, or may directly draw power from the power supply line through a direct connection to the power supply line. ; Or there is no power supply line inside the wireless positioning cable, and the wireless module obtains the required energy from the environment through self-collection.
  • the wireless positioning cable may further include a clock synchronization line, and the wireless modules in the wireless positioning cable are respectively connected to the clock synchronization line to obtain accurate clock synchronization signals required for positioning.
  • interfaces are provided at both ends of the wireless positioning cable, and the wireless positioning cable is connected to at least one other wireless positioning cable through the interface, or the wireless positioning cable is connected to other network devices through the interface.
  • the interface can realize the expansion of power supply; or, the wireless positioning cable is connected to other network devices through the interface to obtain power.
  • the interface can implement clock synchronization extension; or, the wireless positioning cable can be connected to other network devices through the interface to obtain power and clock synchronization signals.
  • the present invention also provides a wireless positioning cable system.
  • the system includes a plurality of the above-mentioned wireless positioning cables, a plurality of connectors, and a host computer.
  • the wireless positioning cables are connected by a connector and cover a target area.
  • the host computer communicates with the wireless positioning cable, receives wireless positioning measurement results, and calculates terminal position coordinates, or receives, analyzes, and displays wireless positioning results.
  • the connector can connect multiple wireless positioning cables and cover the target area.
  • the upper computer has a function of receiving wireless positioning measurement results and calculating terminal position coordinates, or the upper computer has a function of directly receiving wireless positioning results, and the upper computer also has a function of analyzing or displaying positioning results.
  • the wireless module in the wireless positioning cable has a message receiving and sending function, and forms a dynamic network with other wireless modules, and sends positioning measurement results or tag positioning coordinates to the host computer through the network; or the wireless module in the wireless positioning cable Without the message sending and receiving function, the positioning terminal sends the positioning measurement results or the label positioning coordinates to the host computer from other networks.
  • the synchronous timer is connected to at least one clock synchronization line in the wireless positioning cable, and the wireless module in the wireless positioning cable is connected to the clock synchronization line, And obtain the clock synchronization signal from the clock synchronization line.
  • the synchronous timing device can be connected to at least one wireless synchronization line through a connector, and at the same time, the wireless synchronization line can also be connected to the clock synchronization line through the connector to expand the clock synchronization range.
  • the clock synchronization signal can synchronize the clocks of the wireless modules in all connected wireless synchronization lines through the connector.
  • the host computer is connected to at least one wireless positioning gateway.
  • the wireless positioning gateway has a function of assisting the wireless module to form a dynamic network, and can enable the wireless module to send the positioning measurement result or the tag positioning coordinates to the host computer in an optimal path.
  • the host computer may communicate with the wireless module through the wireless positioning gateway.
  • the host computer measures the signal strength value of the terminal through the wireless module to calculate the location of the positioning terminal; or, the host computer calculates the location of the positioning terminal through the difference between the arrival time of the terminal and different wireless modules; or, the host computer uses the terminal and different wireless modules The time of arrival calculates the location of the positioning terminal.
  • the present invention integrates a wireless module with a smaller form into the wireless positioning cable, which can be positioned at a high precision from time to time and can be targeted at Convenient deployment, expansion and disassembly in the positioning area; the present invention provides multiple transmission methods of positioning measurement results or label positioning coordinates. If a communication network has been deployed in the target positioning area, the positioning process can be related in a simpler and more effective way Send and receive data.
  • FIG. 1 is a schematic structural diagram of an energy self-collecting wireless positioning module of the present invention
  • FIG. 2 is a schematic structural view of the power line inductive coupling power supply of the present invention
  • FIG. 3 is a schematic structural diagram of an embodiment of a wireless positioning cable of the present invention.
  • FIG. 4 is a schematic structural diagram of another embodiment of a wireless positioning cable of the present invention.
  • FIG. 5 is a schematic structural diagram of another embodiment of a wireless positioning cable of the present invention.
  • FIG. 6 is a schematic structural diagram of another embodiment of a wireless positioning cable of the present invention.
  • FIG. 7 is a schematic structural diagram of another embodiment of a wireless positioning cable of the present invention.
  • FIG. 8 is a schematic structural diagram of another embodiment of a wireless positioning cable of the present invention.
  • FIG. 9 is a schematic structural diagram of a wireless positioning cable system of the present invention.
  • FIG. 10 is a schematic diagram of a positioning deployment structure of a wireless positioning gateway of the wireless positioning cable system of the present invention.
  • FIG. 11 is a schematic structural diagram of the positioning process of the wireless positioning cable system of the present invention.
  • the present invention provides an energy self-collecting wireless positioning module, including an energy collecting module and a wireless module.
  • the energy collecting module is connected to the wireless module.
  • the wireless module can adopt one or several methods of RSSI, TOF, time of arrival and other methods to achieve positioning function.
  • the energy harvesting module has an energy self-harvesting function, that is, harvesting energy without direct power supply, and supplying power to the wireless module.
  • the energy harvesting module can harvest energy through power line inductive coupling, light energy conversion, temperature difference energy conversion, etc., or Collect energy from the environment through other methods, and convert the collected energy into electrical energy. As shown in FIG. 2, taking power line inductive coupling as an example, when the wireless positioning module is powered by power line coupling, the wireless positioning node is not directly connected to the power line, but takes power by coupling with the power line.
  • the wireless module includes a radio frequency unit and a processing unit.
  • the radio frequency unit is connected to the processing unit for positioning.
  • the processing unit is used to receive signals transmitted by the radio frequency unit and perform signal processing.
  • the positioning accuracy of the wireless module is better than 10 cm.
  • a wireless positioning cable As shown in FIGS. 3-8, a wireless positioning cable, at least one of the above wireless modules is distributed on the wireless positioning cable, and the wireless modules are distributed on the wireless positioning cable at certain intervals according to their coverage .
  • the wireless positioning cable is laid according to the networking requirements, and the positioning function is realized through the wireless module.
  • the wireless module may be inside the wireless positioning cable or outside the wireless positioning cable.
  • the interval of the wireless modules in the wireless positioning cable is set according to the radiation coverage of the antenna to ensure that there is no positioning blind spot in the target area. Or, there is only one wireless module in each wireless positioning cable, and the wireless module is located at one end of the wireless positioning cable to facilitate manufacturing and deployment.
  • the wireless module also has a wireless communication function, which can send positioning measurement results wirelessly, or the wireless module can wirelessly send the position coordinates of the tag, or the wireless module can provide wireless routing and forwarding services for other wireless modules.
  • the wireless positioning cable may further include a power supply line.
  • the wireless module in the wireless positioning cable may draw power from the power supply line through inductive coupling, or may directly draw power from the power supply line through a direct connection to the power supply line. ; Or there is no power supply line inside the wireless positioning cable, and the wireless module obtains the required energy from the environment through self-collection.
  • the wireless positioning cable may further include a clock synchronization line, and the wireless modules in the wireless positioning cable are respectively connected to the clock synchronization line to obtain accurate clock synchronization signals required for positioning.
  • interfaces are provided at both ends of the wireless positioning cable, and the wireless positioning cable is connected to at least one other wireless positioning cable through the interface, or the wireless positioning cable is connected to other network devices through the interface.
  • the interface can realize the expansion of power supply; or, the wireless positioning cable is connected to other network devices through the interface to obtain power.
  • the interface can implement clock synchronization extension; or, the wireless positioning cable is connected to other network devices through the interface to obtain power and clock synchronization signals.
  • the wireless positioning cable has a power supply line, and the wireless modules are all inside the wireless positioning cable; another kind of wireless positioning cable as shown in FIG. 4
  • the wireless positioning cable has a power supply line, and the wireless modules are all external to the wireless positioning cable; as shown in FIG. 5 of another embodiment of the wireless positioning cable, the wireless positioning cable has a power supply line, wireless The module is partly outside and partly inside; as another embodiment of the wireless positioning cable shown in FIG. 6, the wireless positioning cable has a power supply line and a synchronization line, and the wireless module is inside the wireless positioning cable;
  • each wireless positioning cable 7 has a power supply line and a synchronization line, and the wireless module is partially outside and partially inside; the wireless positioning cable shown in FIG. 8
  • each wireless positioning cable includes only one wireless module, and the wireless module is located at one end of the wireless positioning cable.
  • the present invention also provides a wireless positioning cable system.
  • the system includes a plurality of the above-mentioned wireless positioning cables 2, one or more connectors 4, and a host computer 5.
  • the wireless positioning cables 2 Connected through the connector 4 and cover the target area for positioning the target area, the host computer 5 communicates with the wireless positioning cable 2, receives wireless positioning measurement results, and calculates terminal position coordinates, or receives, analyzes And display wireless positioning results.
  • the connector 4 can connect multiple wireless positioning cables 2 and cover the target area.
  • the upper computer 5 has a function of receiving wireless positioning measurement results and calculating terminal position coordinates, or the upper computer 5 has a function of directly receiving wireless positioning results, and the upper computer 5 also has a function of analyzing or displaying positioning results.
  • the wireless module 1 in the wireless positioning cable 2 has a message sending and receiving function, and forms a dynamic network with other wireless modules 1, and sends positioning measurement results or label positioning coordinates to the host computer 5 through the network; or a wireless positioning cable
  • the wireless module 1 in has no message sending and receiving function, and the positioning terminal sends the positioning measurement result or the tag positioning coordinates to the host computer 5 from another network.
  • a synchronous timer is connected to at least one clock synchronization line in the wireless positioning cable 2, and the wireless module 1 in the wireless positioning cable 2 is connected to the clock
  • the synchronization line is connected, and the clock synchronization signal is obtained from the clock synchronization line.
  • the synchronous timing device can be connected to at least one wireless synchronization line through a connector, and at the same time, the wireless synchronization line can also be connected to the clock synchronization line through the connector to expand the clock synchronization range.
  • the clock synchronization signal can synchronize the clocks of the wireless modules 1 in all connected wireless synchronization lines through the connector.
  • the host computer 5 When the wireless module 1 has a wireless transceiver function, the host computer 5 is connected to at least one wireless positioning gateway 6, as shown in FIG. 10, the wireless positioning gateway 6 has a function of assisting the wireless module to form a dynamic network, which can enable the wireless module 1 Send the positioning measurement results or label positioning coordinates to the host computer 5 in the optimal path. At the same time, the host computer 5 can communicate with the wireless module 1 through the wireless positioning gateway 6.
  • the upper computer 5 obtains the signal strength value of the terminal through the wireless module 1 to calculate the location of the positioning terminal; or, the upper computer 5 calculates the location of the positioning terminal through the difference in arrival time between the terminal and different wireless modules 1; or, the upper computer 5 uses the terminal Different from the arrival time of the wireless module 1, the position of the positioning terminal is calculated.
  • the positioning process of the wireless positioning cable system is shown in FIG. 11.
  • the terminal performs positioning measurement with the nearby wireless modules (ie, wireless modules No. 13, 15, 18, and 19).
  • the wireless modules 13, 15, 18.19 Send the positioning measurement result or tag positioning coordinates to the wireless positioning gateway through the connector through wireless relay.
  • the wireless positioning gateway sends positioning measurement results or label positioning coordinates to the host computer 5.
  • the host computer 5 calculates the position coordinates of the terminal according to the positioning measurement information of different wireless modules.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

本发明涉及一种无线定位线缆系统，所述系统包括多条无线定位线缆、多个连接器及上位机，所述各无线定位线缆通过连接器相连，并覆盖目标区域，用于对目标区域定位，所述上位机与所述无线定位线缆通信，接收无线定位测量结果，并计算终端位置坐标，或者接收、分析和展示无线定位结果。本发明将形态较小的无线模块集成在无线定位线缆中，可以在高精度时时定位的同时，能够在目标定位区域中方便部署、扩展及拆卸；本发明提供多种定位结果标签定位坐标的传输方式，如果目标定位区域已经部署通信网络，则可以用更简单，更有效的方式实现定位过程的相关数据的收发。

Description

无线定位模组、无线定位线缆及无线定位线缆系统 技术领域：
本发明涉及煤矿通信技术领域，尤其涉及一种具有定位测量功能的能量自采集无线定位模组、具有无线定位模块的无线定位线缆及具有无线定位线缆的无线定位线缆系统。
背景技术：
现有的精确定位系统中，在组网过程中供电线缆、有线通信线缆、无线定位基站需要分别铺设。这种方式，在定位系统组网铺设过程中各种线缆的安装部署比较复杂，且当定位网络拓扑地发生变化时，需要重新铺设线缆，以及安装无线定位基站，扩展难度较大，浪费人力资源。
使用有线方式组网，其定位网络的拓扑结构比较固定，很难根据需要动态改变定位网络拓扑，组成的定位网络也没有自适应性。
发明内容：
本发明的目的是针对现有技术的缺陷，提供一种能量自采集无线定位模组、无线定位线缆及无线定位线缆系统，进行组网可以在保证定位精度及数据通信的情况下，极大的降低部署难度，方便安装、拆卸及维修。
本发明是通过如下技术方案实现的：
本发明提供一种能量自采集无线定位模组，包括能量采集模块及无线模块，所述能量采集模块与所述无线模块连接，用于采集能量，并为无线模块供电，所述无线模块与通信系统连接，用于实现测距定位及数据通信。
所述能量采集模块具有能量自采集功能，即在没有直接供电的情况下采集能量，并为无线模块供电，能量采集模块可以通过电力线感应耦合、光能量转化、温差能量转化等方式采集能量，或者通过其它方法从环境中采集能量，并将采集到的能量转化为电能。
所述无线模块与能量自采集模块相连，获取无线模块工作所需电能，无线模块可以实现数据通信和定位功能。无线模块可以采用RSSI、TOF、到达时间 等方法的一种或几种方法的融合，实现定位功能。
所述无线模块包括射频单元及处理单元，所述射频单元与所述处理单元连接，用于定位，所述处理单元用于接收射频单元传输的信号并进行信号处理。无线模块的定位精度优于10厘米。
本发明还提供一种无线定位线缆，所述无线定位线缆上分布有至少一个上述无线模块，所述无线模块根据其覆盖范围按一定间距分布上所述无线定位线缆上。所述无线定位线缆根据组网要求铺设，通过无线模块实现定位功能。
所述无线模块可以在无线定位线缆的内部，也可以在无线定位线缆的外部。无线定位线缆中的无线模块的间隔按天线辐射覆盖范围设置，以保证目标区域中无定位盲点。或者，每条无线定位线缆中只有一个无线模块，无线模块位于无线定位线缆的一端，以方便制造与部署。
所述无线模块同时还具有无线通信功能，可以通过无线发送定位测量结果，或者所述无线模块可以通过无线发送标签的位置坐标，或者所述无线模块可以与为其它无线模块提供无线路由转发服务。所述无线模块具有超低功耗。
无线定位线缆内部还可包括一根供电线，所述无线定位线缆中的无线模块可以通过感应耦合的方式从供电线取电，也可以通过与供电线直接相连的方式从供电线取电；或者无线定位线缆内部没有供电线，无线模块通过自采集方式从环境中获取所需能量。
无线定位线缆内部还可以包括一根时钟同步线，所述无线定位线缆中的无线模块分别与时钟同步线连接，获取定位所需的精确时钟同步信号。
另外，所述无线定位线缆两端设有接口，所述无线定位线缆通过接口与其它至少一条无线定位线缆相连，或者，所述无线定位线缆通过所述接口与其它网络设备相连。
当无线定位线缆中包含供电线时，接口可以实现供电的扩展；或者，所述无线定位线缆通过接口与其它网络设备相连，以获取电源。
当无线定位线缆中包含时钟同步线时，接口可以实现时钟同步的扩展；或 者，所述无线定位线缆通过所述接口与其它网络设备相连，以获取电源及时钟同步信号。
本发明还提供一种无线定位线缆系统，所述系统包括多条上述无线定位线缆、多个连接器及上位机，所述各无线定位线缆通过连接器相连，并覆盖目标区域，用于对目标区域定位，所述上位机与所述无线定位线缆通信，接收无线定位测量结果，并计算终端位置坐标，或者接收、分析和展示无线定位结果。
所述无线定位线缆的两端有接口，所述连接器可以将多条所述无线定位线缆连接，并使目标区域得到覆盖。
所述上位机具有接收无线定位测量结果，并计算终端位置坐标的功能，或者所述上位机具有直接接收无线定位结果的功能，所述上位机还具有分析或展示定位结果的功能。
所述无线定位线缆中的无线模块有消息收发功能，并与其它无线模块组成动态网络，并将定位测量结果或标签定位坐标通过该网络发送给上位机；或者无线定位线缆中的无线模块没有消息收发功能，定位终端将定位测量结果或标签定位坐标由其它网络发送给上位机。
当无线定位线缆中有一条时钟同步线时，同步授时器与至少一条所述无线定位线缆中的时钟同步线相连，所述无线定位线缆中的无线模块与所述时钟同步线相连，并从时钟同步线上获取时钟同步信号。
所述同步授时器可以通过连接器与至少一条无线同步线相连，同时无线同步线也可以通过连接器将时钟同步线相连，以拓展时钟同步范围。所述时钟同步信号可以通过连接器，使所有相连的无线同步线中的无线模块的时钟同步。
当无线模块具有无线收发功能时，所述上位机与至少一个无线定位网关相连。所述无线定位网关具有辅助无线模块组建动态网络的功能，可以使无线模块以最优的路径将定位测量结果或标签定位坐标发送给上位机。
同时，上位机可能通过所述无线定位网关与无线模块进行通信。
上位机通过无线模块测得到终端的信号强度值计算出定位终端的位置；或 者，上位机通过终端与不同无线模块的到达时间差计算出定位终端的位置；或者，上位机通过终端与不同无线模块的到达时间计算出定位终端的位置。
本发明无线定位模组、无线定位线缆及无线定位线缆系统的优点是：本发明将形态较小的无线模块集成在无线定位线缆中，可以在高精度时时定位的同时，能够在目标定位区域中方便部署、扩展及拆卸；本发明提供多种定位测量结果或标签定位坐标的传输方式，如果目标定位区域已经部署通信网络，则可以用更简单，更有效的方式实现定位过程的相关数据的收发。
附图说明：
图1为本发明能量自采集无线定位模组的结构示意图；
图2为本发明的电力线感应耦合方式供电的结构示意图；
图3为本发明的无线定位线缆的一种实施例的结构示意图；
图4为本发明的无线定位线缆的另一种实施例的结构示意图；
图5为本发明的无线定位线缆的另一种实施例的结构示意图；
图6为本发明的无线定位线缆的另一种实施例的结构示意图；
图7为本发明的无线定位线缆的另一种实施例的结构示意图；
图8为本发明的无线定位线缆的另一种实施例的结构示意图；
图9为本发明的无线定位线缆系统的结构示意图；
图10为本发明无线定位线缆系统的无线定位网关的定位部署结构示意图；
图11为本发明无线定位线缆系统的的定位过程的结构示意图。
具体实施方式：
下面结合附图对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易被本领域人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
如图1所示，本发明提供一种能量自采集无线定位模组，包括能量采集模块及无线模块，所述能量采集模块与所述无线模块连接。
无线模块可以采用RSSI、TOF、到达时间等方法的一种或几种方法的融合， 实现定位功能。
所述能量采集模块具有能量自采集功能，即在没有直接供电的情况下采集能量，并为无线模块供电，能量采集模块可以通过电力线感应耦合、光能量转化、温差能量转化等方式采集能量，或者通过其它方法从环境中采集能量，并将采集到的能量转化为电能。如图2所示，以电力线感应耦合为例，当无线定位模组采用电力线耦合的方式供电时，无线定位节点不与电力线直接相连，而是采用与电力线耦合的方式取电。
所述无线模块包括射频单元及处理单元，所述射频单元与所述处理单元连接，用于定位，所述处理单元用于接收射频单元传输的信号并进行信号处理。无线模块的定位精度优于10厘米。
如图3-8所示，一种无线定位线缆，所述无线定位线缆上分布有至少一个上述无线模块，所述无线模块根据其覆盖范围按一定间距分布上所述无线定位线缆上。所述无线定位线缆根据组网要求铺设，通过无线模块实现定位功能。
所述无线模块可以在无线定位线缆的内部，也可以在无线定位线缆的外部。
无线定位线缆中的无线模块的间隔按天线辐射覆盖范围设置，以保证目标区域中无定位盲点。或者，每条无线定位线缆中只有一个无线模块，无线模块位于无线定位线缆的一端，以方便制造与部署。
所述无线模块同时还具有无线通信功能，可以通过无线发送定位测量结果，或者所述无线模块可以通过无线发送标签的位置坐标，或者所述无线模块可以与为其它无线模块提供无线路由转发服务。
无线定位线缆内部还可包括一根供电线，所述无线定位线缆中的无线模块可以通过感应耦合的方式从供电线取电，也可以通过与供电线直接相连的方式从供电线取电；或者无线定位线缆内部没有供电线，无线模块通过自采集方式从环境中获取所需能量。
无线定位线缆内部还可以包括一根时钟同步线，所述无线定位线缆中的无线模块分别与时钟同步线连接，获取定位所需的精确时钟同步信号。
另外，所述无线定位线缆两端设有接口，所述无线定位线缆通过接口与其它至少一条无线定位线缆相连，或者，所述无线定位线缆通过所述接口与其它网络设备相连。
当无线定位线缆中包含供电线时，接口可以实现供电的扩展；或者，所述无线定位线缆通过接口与其它网络设备相连，以获取电源。
当无线定位线缆中包含时钟同步线时，接口可以实现时钟同步的扩展；或者，所述无线定位线缆通过所述接口与其它网络设备相连，以获取电源及时钟同步信号。
如图3所示的无线定位线缆的一种实施例，该无线定位线缆有供电线，无线模块都在无线定位线缆的内部；如图4所示的无线定位线缆的另一种实施例，该无线定位线缆有供电线，无线模块都在无线定位线缆的外部；如图5所示的无线定位线缆的另一种实施例，该无线定位线缆有供电线，无线模块部分在外部，部分在内部；如图6所示的无线定位线缆的另一种实施例，该无线定位线缆有供电线，有同步线，无线模块都在无线定位线缆的内部；如图7所示的无线定位线缆的另一种实施例，该无线定位线缆有供电线，有同步线，无线模块部分在外部，部分在内部；如图8所示的无线定位线缆的另一种实施例，每条无线定位线缆中只包含一个无线模块，且无线模块位于无线定位线缆一端。
本发明还提供一种无线定位线缆系统，如图9所示，所述系统包括多条上述无线定位线缆2、一个或多个连接器4及上位机5，所述各无线定位线缆2通过连接器4相连，并覆盖目标区域，用于对目标区域定位，所述上位机5与所述无线定位线缆2通信，接收无线定位测量结果，并计算终端位置坐标，或者接收、分析和展示无线定位结果。
所述无线定位线缆2的两端有接口，所述连接器4可以将多条所述无线定位线缆2连接，并使目标区域得到覆盖。
所述上位机5具有接收无线定位测量结果，并计算终端位置坐标的功能，或者所述上位机5具有直接接收无线定位结果的功能，所述上位机5还具有分 析或展示定位结果的功能。
所述无线定位线缆2中的无线模块1有消息收发功能，并与其它无线模块1组成动态网络，并将定位测量结果或标签定位坐标通过该网络发送给上位机5；或者无线定位线缆中的无线模块1没有消息收发功能，定位终端将定位测量结果或标签定位坐标由其它网络发送给上位机5。
当无线定位线缆2中有一条时钟同步线时，同步授时器与至少一条所述无线定位线缆2中的时钟同步线相连，所述无线定位线缆2中的无线模块1与所述时钟同步线相连，并从时钟同步线上获取时钟同步信号。
所述同步授时器可以通过连接器与至少一条无线同步线相连，同时无线同步线也可以通过连接器将时钟同步线相连，以拓展时钟同步范围。所述时钟同步信号可以通过连接器，使所有相连的无线同步线中的无线模块1的时钟同步。
当无线模块1具有无线收发功能时，所述上位机5与至少一个无线定位网关6相连，如图10所示，所述无线定位网关6具有辅助无线模块组建动态网络的功能，可以使无线模块1以最优的路径将定位测量结果或标签定位坐标发送给上位机5。同时，上位机5可通过所述无线定位网关6与无线模块1进行通信。
上位机5通过无线模块1测得到终端的信号强度值计算出定位终端的位置；或者，上位机5通过终端与不同无线模块1的到达时间差计算出定位终端的位置；或者，上位机5通过终端与不同无线模块1的到达时间计算出定位终端的位置。
该无线定位线缆系统定位过程如图11所示，某一时刻终端与附近无线模块(即第13、15、18、19号无线模块)进行定位测量，定位测量完成后无线模块13、15、18、19通过无线接力的方式将定位测量结果或标签定位坐标通过连接器发送给无线定位网关。无线定位网关将定位测量结果或标签定位坐标发送给上位机5。上位机5根据不同无线模块的定位测量信息计算出终端的位置坐标。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的 普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (14)

  1. 一种能量自采集无线定位模组，其特征在于：包括能量采集模块及无线模块，所述能量采集模块与所述无线模块连接，用于采集能量，并为无线模块供电，所述无线模块与通信系统连接，用于实现定位及数据通信。
  2. 根据权利要求1所述的能量自采集无线定位模组，其特征在于：所述能量采集模块为电力线感应耦合模块、光能量转化模块、温差能量转化模块中的一种或多种的组合，用于将采集到的能量转化为电能。
  3. 根据权利要求2所述的能量自采集无线定位模组，其特征在于：所述无线模块采用RSSI、TOF、到达时间中的一种或多种的组合，实现定位功能。
  4. 根据权利要求3所述的能量自采集无线定位模组，其特征在于：所述无线模块包括射频单元及处理单元，所述射频单元与所述处理单元连接，用于定位，所述处理单元用于接收射频单元传输的信号并进行信号处理。
  5. 一种无线定位线缆，其特征在于：所述线缆上分布有至少一个如权利要求4所述的无线模块。
  6. 根据权利要求5所述的无线定位线缆，其特征在于：所述无线模块固定在线缆内部或线缆外部。
  7. 根据权利要求6所述的无线定位线缆，其特征在于：所述无线模块按天线辐射覆盖范围间隔分布在线缆上。
  8. 根据权利要求7所述的无线定位线缆，其特征在于：所述线缆内部还包括至少一根时钟同步线，所述时钟同步线与无线模块连接，用于获取定位所需的精确时钟同步信号。
  9. 根据权利要求8所述的无线定位线缆，其特征在于：所述线缆两端设有接口，线缆通过接口与其它至少一条线缆相连，或者所述线缆通过所述接口与其它网络设备相连，以获取电源及时钟同步信号。
  10. 一种无线定位线缆系统，其特征在于：所述系统包括多条如权利要求5-9任一项所述的无线定位线缆、多个连接器及上位机，所述各无线定位线缆通 过连接器相连，并覆盖目标区域，用于对目标区域定位，所述上位机与所述无线定位线缆通信，接收无线定位测量结果，并计算终端位置坐标，或者接收、分析和展示无线定位结果。
  11. 根据权利要求10所述的无线定位线缆系统，其特征在于：所述各无线模块组成动态网络，并将定位测量结果或标签定位坐标通过该动态网络发送给上位机；或者所述各无线模块将定位测量结果或标签定位坐标由其它网络发送给上位机。
  12. 根据权利要求11所述的无线定位线缆系统，其特征在于：所述无线定位线缆系统还包括同步授时器，所述同步授时器与至少一条无线定位线缆中的时钟同步线相连，并从时钟同步线上获取时钟同步信号，并使所有相连的时钟同步线中的无线模块的时钟同步。
  13. 根据权利要求12所述的无线定位线缆系统，其特征在于：所述无线定位线缆系统还包括至少一个无线定位网关，所述无线定位网关与上位机相连，无线定位网关可辅助无线模块组建动态网络，并使无线模块以最优路径将定位测量结果或标签定位坐标发送给上位机，上位机可通过所述无线定位网关与无线模块进行通信。
  14. 根据权利要求13所述的无线定位线缆系统，其特征在于：所述上位机通过无线模块的信号强度值计算出定位终端的位置；或者所述上位机通过终端与不同无线模块的到达时间差计算出定位终端的位置；或者所述上位机通过终端与不同无线模块的到达时间计算出定位终端的位置。
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