WO2021110012A1 - Système de commande de réseau intelligent à grande vitesse - Google Patents

Système de commande de réseau intelligent à grande vitesse Download PDF

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Publication number
WO2021110012A1
WO2021110012A1 PCT/CN2020/133253 CN2020133253W WO2021110012A1 WO 2021110012 A1 WO2021110012 A1 WO 2021110012A1 CN 2020133253 W CN2020133253 W CN 2020133253W WO 2021110012 A1 WO2021110012 A1 WO 2021110012A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
train
subnet
equipment
data
Prior art date
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PCT/CN2020/133253
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English (en)
Chinese (zh)
Inventor
张福景
张立斌
李如石
王�锋
石勇
潘硕
王忠福
李时智
李辉
晏志飞
Original Assignee
中车大连电力牵引研发中心有限公司
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Publication of WO2021110012A1 publication Critical patent/WO2021110012A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40267—Bus for use in transportation systems
    • H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40267—Bus for use in transportation systems
    • H04L2012/40293—Bus for use in transportation systems the transportation system being a train

Definitions

  • the invention relates to the technical field of network control of rail transit vehicles such as subways and light rails, and in particular, to a high-speed intelligent network control system.
  • Ethernet has the advantages of low equipment cost, high openness, high communication bandwidth, and mature technology.
  • the International Electrotechnical Commission formulated the IEC61375-2-5 standard, which describes a train-level network based on the IEEE802.3 standard Ethernet and TCP/IP protocol-Ethernet Train Backbone (ETB)
  • the TCMS system bus is composed of a train bus and a vehicle bus. Both train bus and vehicle bus use MVB bus.
  • the vehicle bus of each vehicle uses a physically redundant MVB bus to connect various devices in the vehicle, and the physical medium is EMD.
  • the central control unit CCU is located in the Tc car, and both CCUs are the master devices of the MVB bus, which are hot standby for each other during operation.
  • Each vehicle is equipped with a remote input/output device RIOM.
  • the RIOM chassis is connected to the vehicle bus through the MVB interface to realize the main control signal acquisition and control of the 110VDC control circuit.
  • the data recorder realizes automatic information collection and recording of the operating status and faults of the main train equipment, and can read and print the data through the portable test unit PTU.
  • the two display screens located in the Tc car are respectively connected to the train network through the MVB interface, and the Ethernet port of the display screen is led to the maintenance panel of the vehicle through an extension cable for updating the display software.
  • Other subsystems are connected to TCMS through MVB bus or input/output device RIOM. Devices without MVB bus interface can be connected to MVB bus through protocol conversion module.
  • the technical solution disclosed in the prior art also includes the vehicle-mounted part of the vehicle-to-ground wireless transmission system, which is composed of data acquisition and transmission equipment and an antenna.
  • the vehicle-mounted data acquisition and transmission equipment collects vehicle data in real time. After being encoded and decoded, the vehicle data is stored and transmitted to the ground server in real time through the antenna, and the ground server software is used for analysis.
  • the disadvantage is that the existing vehicle-to-ground wireless transmission system only transmits vehicle operating data to the ground via WiFi or 4G and stores it in a ground server, and uses ground analysis software for analysis, without forming ground big data and intelligent early warning functions.
  • the present invention mainly uses the Ethernet network to realize the function of whole-vehicle Ethernet control, realizes the whole-vehicle control network and train control subnet, video transmission subnet, train maintenance subnet, sub-equipment mutual transmission subnet, and vehicle-ground wireless transmission subnet
  • the unification of the vehicle network greatly improves the transmission speed of the vehicle network and reduces the type and length of wiring of the vehicle.
  • the use of vehicle-to-ground wireless transmission subnets realizes ground remote equipment maintenance, diagnosis, and monitoring functions, and realizes ground server big data analysis, fault warning and other functions, which greatly improves the convenience and intelligence of vehicle maintenance.
  • a high-speed intelligent network control system including: a train backbone ring network and a train control subnet, a video transmission subnet, a train maintenance subnet, a sub-equipment mutual transmission subnet, and a train-to-ground wireless transmission connected to the train backbone ring network Subnet
  • the train backbone ring network is mainly composed of Gigabit Ethernet switches of each car, which is used to control the equipment of each subnet to realize the data transmission across the car;
  • the train control subnet includes a main control unit, a display unit, an IO acquisition unit, a data recording unit, and various sub-equipment control units, which are used to realize the process data transmission of the entire vehicle and the entire vehicle control function, monitoring function, vehicle status data and Fault data recording function;
  • the video transmission subnet includes a video collection control unit, a multimedia control unit, and a video display unit of each vehicle, which is used to realize the monitoring video display, multimedia information display, and playback functions of the entire vehicle;
  • the train maintenance subnet includes equipment that needs to be maintained on the train, a maintenance switch, and a vehicle-to-ground wireless transmission unit, which is used to implement local or remote maintenance of vehicle equipment;
  • the sub-equipment mutual transmission subnet is mainly composed of units that need to transmit data to each other between the same equipment control units in different vehicle sections, and is used to implement data communication between the same equipment;
  • the vehicle-ground wireless transmission subnet includes vehicle-mounted wireless transmission equipment, ground wireless transmission equipment, and ground server, which is used to realize the real-time transmission and analysis of vehicle status data to the ground server and the remote maintenance, diagnosis and monitoring functions of the sub-equipment.
  • system adopts a two-level bus topology structure, train bus and vehicle-level bus, train bus and vehicle-level bus adopt ECN vehicle network, and system equipment with Ethernet interface is directly connected to ECN vehicle network.
  • the equipment of the entire vehicle is connected by an Ethernet network
  • the train backbone ring network is Gigabit Ethernet.
  • the display unit can simultaneously display the vehicle status and fault data of the train control subnet and the whole vehicle camera monitoring video data of the video transmission subnet.
  • the ground server has a full life cycle status detection and fault warning function based on big data application.
  • the redundancy of the vehicle-mounted wireless transmission equipment the failure of a single vehicle-mounted wireless transmission equipment does not affect the wireless data transmission of the entire vehicle.
  • the redundancy of the vehicle-ground wireless transmission subnet can be selected between 4G and WiFi according to the actual state of the signal, and the vehicle operating data can be transmitted to the ground server.
  • the present invention has the following advantages:
  • the high-speed intelligent network control system provided by the present invention simplifies the network wiring of the entire vehicle, so that the networks of different types of networks and equipment of the entire vehicle are unified on one type of network; the entire vehicle display is unified on one display screen, The number of display equipment is reduced; the maintenance and diagnosis of the whole vehicle equipment are remote and intelligent, which improves the efficiency of vehicle maintenance and reduces labor costs.
  • the present invention can be widely promoted in the field of network control of rail transit vehicles such as subways and light rails.
  • Figure 1 is a diagram of the system structure of the present invention.
  • Fig. 2 is a topological diagram of a vehicle-mounted network provided by an embodiment of the present invention.
  • Figure 3 is a topological diagram of the vehicle-ground wireless transmission subnet of the present invention.
  • orientation words such as “front, back, up, down, left, right", “horizontal, vertical, vertical, horizontal” and “top, bottom”, etc. indicate the orientation Or positional relationship is usually based on the position or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description. Unless otherwise stated, these positional words do not indicate or imply the pointed device or element It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the protection scope of the present invention: the orientation word “inside and outside” refers to the inside and outside relative to the contour of each component itself.
  • spatially relative terms can be used here, such as “above”, “above”, “above the surface”, “above”, etc., to describe as shown in the figure Shows the spatial positional relationship between one device or feature and other devices or features. It should be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described in the figure. For example, if the device in the drawing is turned upside down, then a device described as “above other devices or structures” or “above other devices or structures” will then be positioned as “below the other devices or structures” or “on It's under the device or structure”. Thus, the exemplary term “above” may include both orientations “above” and “below”. The device can also be positioned in other different ways (rotated by 90 degrees or in other orientations), and the relative description of the space used here will be explained accordingly.
  • the invention provides a high-speed intelligent network control system, which is the vehicle command center, realizes the information transmission and sharing of each subsystem, coordinates the control, monitoring and diagnosis tasks of the central control system and each subsystem, and summarizes the working status and faults of each subsystem Diagnose information, provide information display and human-computer interaction interface, complete vehicle-level control, fault diagnosis, status monitoring and other tasks.
  • a high-speed intelligent network control system which is the vehicle command center, realizes the information transmission and sharing of each subsystem, coordinates the control, monitoring and diagnosis tasks of the central control system and each subsystem, and summarizes the working status and faults of each subsystem Diagnose information, provide information display and human-computer interaction interface, complete vehicle-level control, fault diagnosis, status monitoring and other tasks.
  • the system adopts a two-level bus topology, train bus and vehicle-level bus, train bus and vehicle-level bus use ECN vehicle network, and the system equipment with Ethernet interface is directly connected to the ECN vehicle network.
  • the switch interconnection between each car forms a ring-shaped redundant train-level Ethernet.
  • the train-level Ethernet uses Gigabit Ethernet to ensure the effective transmission of the entire vehicle data.
  • a central control unit CCU is respectively provided in the cabs of the two high-speed trains.
  • the hot standby is redundant during operation.
  • One central control unit CCU is activated, and the other central control unit CCU is in standby.
  • the standby automatic activation continues to perform the work of the central control unit CCU.
  • a data recording unit ERM is respectively provided in the cabs of the two high-speed trains to realize automatic information collection and cyclic recording of the operating status and faults of the main train equipment, and can be passed through the portable test unit PTU
  • the data is read, analyzed and printed; the vehicle operating data can also be transmitted to the ground server through WiFi/4G through the wireless transmission subnet of the vehicle.
  • each vehicle is provided with a RIOM chassis, and the RIOM chassis is connected to the vehicle ECN bus through an Ethernet interface to realize the collection and control of the main control signals of the control circuit.
  • the equipment of the whole train is connected by Ethernet network, as shown in Figure 1.
  • the system includes: train backbone ring network and train control subnet connected to the train backbone ring network, video transmission subnet, train maintenance subnet, and sub-equipment mutual transmission Subnet and vehicle-to-ground wireless transmission subnet;
  • the train backbone ring network is mainly composed of Gigabit Ethernet switches of each car.
  • Gigabit Ethernet switches have network management functions, unified management of equipment connected to the switches, and used to control each subnet device to realize data transmission across trains;
  • the train control subnet includes a main control unit, a display unit, an IO acquisition unit, a data recording unit, and various sub-equipment control units, which are used to realize the process data transmission of the entire vehicle and the entire vehicle control function, monitoring function, vehicle status data and fault data Recording function; further, as a preferred embodiment of the present invention, the display unit can simultaneously display the vehicle status and fault data of the train control subnet and the whole vehicle camera monitoring video data of the video transmission subnet.
  • the video transmission subnet includes the video capture control unit, multimedia control unit and video display unit of each vehicle, which is used to realize the monitoring video display, multimedia information display and playback functions of the entire vehicle;
  • the train maintenance subnet includes the equipment that needs to be maintained by the train, maintenance switches, and the wireless transmission unit between the train and the ground.
  • the train maintenance subnet can realize the maintenance of all connected network equipment of the whole train on a specific network interface, including the application and configuration of the equipment Program update, download of fault diagnosis data, etc., used to achieve local or remote maintenance of vehicle equipment;
  • the sub-equipment mutual transmission subnet is mainly composed of units that need to transmit data to each other between the same equipment control units of different car sections, and is used to realize data communication between the same equipment; the sub-equipment mutual transmission subnet is implemented between specific devices Data interaction converts the internal network connected between sub-equipment into the entire vehicle network for transmission, thereby effectively reducing the entire vehicle's network wiring.
  • the vehicle-ground wireless transmission subnet includes vehicle-mounted wireless transmission equipment, ground wireless transmission equipment and ground server, which is used to realize the real-time transmission and analysis of vehicle status data to the ground server and the remote maintenance, diagnosis and monitoring functions of the sub-equipment. Further, as a preferred embodiment of the present invention, the ground server has a full life cycle status detection and fault warning function based on big data application.
  • the redundancy of the train backbone ring network and a single point of failure do not affect the communication of the entire train.
  • the redundancy of the main control unit of the whole vehicle, and the failure of a single main control unit does not affect the control of the whole vehicle.
  • the redundancy of the vehicle-mounted wireless transmission equipment, the failure of a single vehicle-mounted wireless transmission equipment does not affect the wireless data transmission of the entire vehicle.
  • the redundancy of the vehicle-ground wireless transmission subnet can select between 4G and WiFi according to the actual state of the signal to transmit vehicle operating data to the ground server.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Small-Scale Networks (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

L'invention concerne un système de commande de réseau intelligent à grande vitesse comprenant un réseau annulaire de base de train, et un sous-réseau de commande de train, un sous-réseau de transmission vidéo, un sous-réseau de maintenance de train, un sous-réseau de transmission mutuelle de sous-dispositif et un sous-réseau de transmission sans fil train-sol qui sont connectés au réseau annulaire de base de train. La présente invention réalise la fonction de commande Ethernet du train entier en utilisant principalement un réseau Ethernet, et réalise l'unification d'un réseau de commande de train entier et du sous-réseau de commande de train, du sous-réseau de transmission vidéo, du sous-réseau de maintenance de train, du sous-réseau de transmission mutuelle de sous-dispositif et du sous-réseau de transmission sans fil train-sol, ce qui permet d'améliorer considérablement la vitesse de transmission du réseau du train entier, ainsi que de réduire les types de câblage et la longueur pour le train entier. Les fonctions de maintenance, de diagnostic et de surveillance du dispositif à distance au sol sont réalisées au moyen d'un sous-réseau de transmission sans fil sol-train, et les fonctions d'analyse de mégadonnées, d'avertissement précoce de panne, etc. d'un serveur de mise à la terre sont mises en œuvre, ce qui permet d'améliorer considérablement la commodité et l'intelligence d'entretien du véhicule.
PCT/CN2020/133253 2019-12-06 2020-12-02 Système de commande de réseau intelligent à grande vitesse WO2021110012A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911244199.1 2019-12-06
CN201911244199.1A CN110958167B (zh) 2019-12-06 2019-12-06 一种高速智能网络控制系统

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CN113867211A (zh) * 2021-09-29 2021-12-31 株洲时代电子技术有限公司 一种大型养路机械网络控制方法
CN115913267A (zh) * 2023-01-04 2023-04-04 慧铁科技有限公司 一种车地高速通信装置

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CN111510494B (zh) * 2020-04-16 2022-04-08 中车青岛四方车辆研究所有限公司 车载网络安全系统及实现方法
CN111661109A (zh) * 2020-06-16 2020-09-15 中车青岛四方车辆研究所有限公司 网络融合的列车控制和管理系统、通信方法和通信装置
CN111781816B (zh) * 2020-08-05 2024-03-19 中车大连电力牵引研发中心有限公司 一种基于双总线的列车主控设备高速冗余切换方法及系统
CN112158230B (zh) * 2020-09-28 2022-07-19 交控科技股份有限公司 一种列车完整性检测方法、装置及列车控制单元
CN113771914B (zh) * 2021-08-25 2022-09-02 交控科技股份有限公司 车辆控制单元的任务同步方法、装置及设备
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CN115913267A (zh) * 2023-01-04 2023-04-04 慧铁科技有限公司 一种车地高速通信装置

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