WO2014166070A1 - 轨道交通信息化中央控制系统及其控制方法 - Google Patents

轨道交通信息化中央控制系统及其控制方法 Download PDF

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Publication number
WO2014166070A1
WO2014166070A1 PCT/CN2013/073981 CN2013073981W WO2014166070A1 WO 2014166070 A1 WO2014166070 A1 WO 2014166070A1 CN 2013073981 W CN2013073981 W CN 2013073981W WO 2014166070 A1 WO2014166070 A1 WO 2014166070A1
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WIPO (PCT)
Prior art keywords
unit
control
train
track
information
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PCT/CN2013/073981
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English (en)
French (fr)
Inventor
简炼
李新文
叶丽娟
Original Assignee
Jian Lian
Li Xinwen
Ye Lijuan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Jian Lian, Li Xinwen, Ye Lijuan filed Critical Jian Lian
Priority to PCT/CN2013/073981 priority Critical patent/WO2014166070A1/zh
Priority to CN201380067652.0A priority patent/CN105050881B/zh
Publication of WO2014166070A1 publication Critical patent/WO2014166070A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/70—Details of trackside communication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation

Definitions

  • the present invention relates to the field of rail transit, and more particularly to a rail transit information central control system and a control method thereof.
  • the information transmission between the outdoor basic signal equipment and the indoor control equipment on the main line of the urban rail transit information system uses the cable as the transmission carrier. Due to the limitation of the transmission distance of the cable and the calculation and control capability of the indoor control equipment, the whole line control equipment (interlocking equipment, axle counting equipment, train monitoring equipment, train protection railside equipment and power screen equipment, etc.) are generally distributed. Within a number of centralized control areas, each centralized control area is responsible for controlling outdoor signal equipment (switch machines, signal machines, variable transponders, station equipment, etc.) at several nearby stations. The equipment in the station is connected by LAN or serial port, and the stations form an Ethernet network through the optical cable between stations.
  • the equipment centralized station generally allocates two rooms (power supply room and equipment room), and the non-device centralized station generally allocates one room as the equipment room.
  • each station needs to set up a signal equipment room to install related signal equipment for driving control, and the dispersion of signal equipment.
  • the installation needs to meet the space for maintenance and replacement.
  • the necessary space must be arranged at each station, which occupies the limited space resources of the station and increases the cost of civil construction investment.
  • air-conditioning devices are required to ensure that the equipment operating environment is normal, and the system equipment rooms that are dispersedly installed need to be equipped with air-conditioning devices in each equipment house to adapt to the maximum operating conditions of the relevant systems. Support system equipment operation, resulting in excess consumption of air conditioning power.
  • the positive signal control equipment is scattered and repeatedly arranged, resulting in high hardware investment cost and maintenance workload of the equipment, reducing the overall reliability and availability of the system, and causing loss to the realization of the system safety integrity.
  • the technical problem to be solved by the present invention is to provide a rail transit information central control system for the defects of the complex and low reliability of the rail transit central control system in the prior art.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: constructing a central control system for rail transit information, comprising:
  • control center and one or more station level control units communicatively coupled to the control center via a communication network;
  • the control center includes: a central level train monitoring unit and a central control unit connected to the central level train monitoring unit, wherein the central control unit includes a core data processing unit and is respectively connected to the core data processing unit Control display unit, track control unit and train control unit;
  • the central-level train monitoring unit is configured to implement train operation supervision, train operation adjustment, temporary speed limit setting, train approach processing, and train schedule preparation and operation, and generate control commands to be sent to the control display unit;
  • the core data processing unit is configured to respectively receive the control instruction from the control display unit, and simultaneously receive vehicle information of the full-line train acquired by the train control unit through a wireless communication channel, and receive the track control unit
  • the core data processing unit is further configured to perform centralized data processing according to the control instruction, the vehicle information, and the track state information to generate a track by using track status information indicating a track occupied or idle state acquired by the wired communication communication. Controlling the command and the train control command, and transmitting the updated track state information and the vehicle information to the control display unit and displaying;
  • the train control unit is configured to send the train control command to a corresponding train via the wireless communication channel, instruct the train to execute the train control command, and implement control of the train;
  • the track control unit is configured to send the track control command to the trackside electronic control unit in the station level control unit through the wired communication channel, thereby controlling the track side connected to the trackside electronic control unit The working status of the device.
  • the train control unit includes:
  • a wireless communication unit configured to implement real-time communication between the central control unit and the train;
  • a train data processing unit connected to the core data processing unit for obtaining the train control command output by the core data processing unit, and receiving the vehicle information from the full-line train through the wireless communication unit, and performing Buffering, sorting and packaging, outputting the vehicle information, and transmitting the train control command from the core data processing unit to the train via the wireless communication unit after data check and arrangement, to achieve Control of the train.
  • the track control unit comprises:
  • a data access/transmission unit configured to receive, by the wired communication channel, a data stream of the track state information from the trackside electronic control unit for classification and summarization, and with one or more unit information acquisition/control output units Performing data interaction to obtain the track control command, and classifying the track control command to send the track control command to the trackside electronic control unit through the wired communication channel;
  • the unit information collection/control output unit is configured to perform data interaction with the data access/transmission unit to obtain a data stream of the track state information classified and summarized by the data access/transport unit, and perform package summarization. Passing to the data logic operation unit, and acquiring the track control command from the data logic operation unit, classifying and packaging, and transmitting to the data access/transmission unit;
  • the data logic operation unit is respectively connected to the unit information collection/control output unit and the core data processing unit, and is configured to acquire the track control command from the core data processing unit and the unit information collection/ Controlling, by the data stream of the track state information of the unit, processing the data stream of the track state information to form the track state information, the processing comprising analyzing, sorting, buffering, storing, and logic operations, and the track state
  • the information is packaged and passed to the core data processing unit.
  • the trackside electronic control unit includes a serially connected communication unit, a data processing unit, an input/output unit, and an interface unit, wherein
  • the communication unit uses the track state information to be carried in a wavelength division multiplexing manner through a fiber optic network, and provides an optical transmission channel between the trackside electronic control unit and the central control unit;
  • the data processing unit includes a photoelectric conversion transmission unit for receiving the track control command from the track control unit via the communication unit;
  • the input/output unit is configured to receive the track control command from the data processing unit, and after decomposing and classifying, output the track control command to the interface unit;
  • the interface unit provides a connection interface for the trackside device.
  • the wired communication channel establishes a ring-shaped redundant backbone network through a full-line laying optical cable
  • the station-level control unit further includes a power supply device, and the track-side electronic device The control unit is connected to provide a regulated power supply for the outdoor trackside device
  • the trackside electronic control unit is connected to the power distribution box through a power cable for obtaining a regulated power supply, and the control center further includes a power screen and a UPS for supplying power to the central control unit and the central level train monitoring unit.
  • the central control unit further includes a maintenance diagnostic unit coupled to the core data processing unit for connecting to the core data processing unit via a bus, responsible for recording and real-time storage of the track status information, and monitoring the central control The working status of the unit, and record and/or output related alarm information.
  • the invention also provides a control method of a rail transit information central control system, the system comprising a control center and a plurality of station level control units communicatively connected to the control center through a communication network, the control center comprising: a center a class train monitoring unit and a central control unit connected to the central level train monitoring unit, wherein the central control unit comprises a core data processing unit and a display unit and a track control unit respectively connected to the core data processing unit And a train control unit; the method comprising:
  • the central-level train monitoring unit monitors train operation supervision, train operation adjustment, temporary speed limit setting, train approach and train schedule preparation and operation in real time, and generates control commands to be sent to the control display unit;
  • the core data processing unit respectively receives the control instruction from the control display unit, and simultaneously receives vehicle information of the full-line train acquired by the train control unit through the wireless communication channel, and receives the track control unit by wire
  • the track state information obtained by the communication communication indicating the state of the track occupied or idle, the core data processing unit performs centralized data processing according to the control command, the vehicle information, and the track state information, and generates a track control command and a train control Commanding, and transmitting the updated track state information and the vehicle information to the control display unit and displaying;
  • the train control unit transmits the train control command to a corresponding train, instructing the train to execute the train control command, and implementing control of the train;
  • the track control unit transmits the track control command to the trackside electronic control unit in the station level control unit through the wired communication channel, thereby controlling the working state of the trackside device with the trackside electronic control unit .
  • the train control unit includes a wireless communication unit and a train data processing unit, and the train control unit acquires the vehicle of the entire train through the wireless communication channel.
  • the information and the realization of the control of the train specifically include the following steps:
  • the train data processing unit performs real-time communication with the designated train through the wireless communication unit, obtains the train control command output by the core data processing unit, and receives the said train from the full line train through the wireless communication unit Vehicle information, and buffer storage, sorting and packaging, outputting the vehicle information, and transmitting the train control command from the core data processing unit to the wireless communication unit via the data check and arrangement
  • the train is described to achieve control of the train.
  • the track control unit includes a data access/transmission unit, one or more unit information acquisition/control output units, a data logic operation unit, and the track
  • the track status information acquired by the control unit through the wired communication and controlling the trackside device specifically includes the following steps:
  • the data access/transmission unit receives the data stream of the track state information from the trackside electronic control unit through the wired communication channel, performs classification and aggregation, and performs data interaction with the unit information collection/control output unit. a track control command, the track control command is classified and grouped, and the track control command is sent to the trackside electronic control unit through the wired communication channel;
  • one or more of the unit information collection/control output units perform data interaction with the data access/transmission unit to obtain a data stream of the track state information classified and summarized by the data access/transport unit, and package the data
  • the summary is passed to the data logic operation unit, and the track control command from the data logic operation unit is obtained, and is classified and packaged and then transmitted to the data access/transmission unit;
  • the data logic operation unit acquires a data flow of the track control command from the core data processing unit and the track state information from the unit information acquisition/control unit, and streams the data of the track state information
  • the processing is performed to form the track state information, the processing including analyzing the sorting, buffering, storing, and logical operations, and packaging the track state information to the core data processing unit.
  • the trackside electronic control unit includes a sequentially connected communication unit, a data processing unit, an input/output unit, and an interface unit, and receives the track control.
  • the photoelectric conversion unit built in the data processing unit receives the track control command through the wired communication channel through the communication unit, performs safety logic operation, comparison, analysis, and processing, and outputs corresponding track control.
  • the station level control unit is provided with a station level train monitoring unit, and the method further includes:
  • the station-level train monitoring unit is connected to the wired communication channel to acquire and display the track status information in the station area in real time.
  • the central control unit further includes a maintenance diagnostic unit connected to the core data processing unit, the method comprising:
  • the track status information is recorded and stored in real time by the maintenance diagnostic unit, and the operating status of the central control unit is monitored, and related alarm information is recorded and/or output.
  • the rail transit information central control system embodying the present invention has the following beneficial effects: the present invention distributes the optical network information technology and the high computational high reliability and reliability processor system through adaptation in the prior art.
  • the control design in the control area is the central centralized control of the invention, so that it meets the application requirements of the information system and constitutes a new technology information system; the optical fiber communication technology is used to realize information transmission, reduce energy consumption, closed loop detection, and increase new information system functions; Reduce manufacturing and maintenance costs by manufacturing new process technologies with highly integrated central equipment.
  • FIG. 1 is a schematic structural view of a rail transit information central control system of the present invention
  • FIG. 2 is a partial detailed composition diagram of the rail transit information central control system shown in FIG. 1;
  • FIG. 3 is a block diagram showing the composition of the track control unit of the central control unit shown in Figure 2;
  • Figure 4 is a block diagram showing the composition of the train control unit of the central control unit shown in Figure 2;
  • FIG. 5 is a schematic structural diagram of a railside electronic control unit of the rail transit information central control system shown in FIG. 1;
  • FIG. 6 is a schematic flow chart of a control method of a rail transit information central control system according to the present invention.
  • FIG. 7 is a schematic flowchart showing the process of acquiring track state information in step S2 shown in FIG. 6;
  • FIG. 8 is a schematic diagram showing a specific process of acquiring vehicle information in step S2 shown in FIG. 6;
  • FIG. 9 is a schematic diagram showing a specific flow of executing a train control command in step S3 shown in FIG. 6;
  • FIG. 10 is a schematic flow chart showing the execution of the track control command of step S4 shown in FIG. 6.
  • FIG. 1 is a schematic diagram showing the system structure of the rail transit information central control system of the present invention.
  • the rail transit informatization central control system of the present invention includes a control center 10, and a station level control unit 20 communicatively coupled to the control center 10 via a communication network 30.
  • the control center 10 includes a center level train monitoring unit 101 and a central control unit 102 coupled to the center level train monitoring unit 101.
  • the central-level train monitoring unit 101 includes an application server, a database server, various types of workstations and printers, etc., for implementing monitoring of all trains, including realizing train operation supervision and train operation adjustment. Temporary speed limit setting, train approach and train schedule preparation and operation, and generate relevant control instructions.
  • the communication network 30 includes a wired network and a wireless network, and correspondingly, has a wired communication channel and a wireless communication channel.
  • the wired network builds a ring-shaped redundant backbone network through a full-line optical cable.
  • the wired network adopts redundant configuration.
  • the central switch and the entire station-level control unit 20 are all connected in the wired network to complete the data exchange between the full-line trackside equipment and the control center.
  • the control center is connected to each other through the central LAN.
  • the central control unit 102 realizes collection of track state information indicating a state occupied by the track or idle through the wired communication channel, and performs an interlock logic operation and an output track control command to control the full line trackside device; through the wireless communication
  • the channel receives train positioning information and train status information, realizes communication between the control center and the entire train, and transmits train control commands.
  • the train control command is accompanied by authorization information indicating the corresponding train
  • the communication between the control center 10 and the entire train is mainly implemented by setting up a wireless access point at the station to ensure communication quality.
  • control center 10 is also provided with a power supply device 103, including a power supply screen and a UPS, for powering the central control unit 102 and the central level train monitoring unit 101.
  • a power supply device 103 including a power supply screen and a UPS, for powering the central control unit 102 and the central level train monitoring unit 101.
  • the station level control unit 20 includes at least a station level train monitoring unit 201 and a trackside electronic control unit 202.
  • the station-level train monitoring unit 201 only includes the local operation workstation, and the main function is to display the status information of the track and the train in the station area, and does not involve the release of the relevant train and track control commands.
  • the trackside electronic control unit 202 is connected to the control center 10 through the wired communication channel, and is mainly used for collecting the track state information in the area, and interacting with the central control unit 102 through the communication network 30.
  • the track status information is sent to the central control unit 102, while receiving the track control commands issued by the central control unit 102, thereby controlling the trackside equipment.
  • the station-level train monitoring unit 201 is disposed in the vehicle control room, and all train control commands are issued by the central-level train monitoring unit 101 of the control center 10; the station-level equipment has only the display function of the equipment of the own station area, In the vehicle control room, there is no signal control device except for the installation of the power supply equipment around the local operation console. Therefore, there is no signal equipment room in the station, which belongs to the central control configuration of the information system equipment in the true sense.
  • Fig. 2 is a block diagram showing the structure of a central control unit 102 of the control center of the rail transit information central control system of the present invention.
  • the central control unit 102 includes at least a core data processing unit 1022 and a display unit 1021, a track control unit 1023, and a train control unit 1024 respectively connected to the core data processing unit 1022, and the connection manners of the above units are as shown in the figure. It is shown that the connection method is connected through the signal interface. among them,
  • the control display unit 1021 is connected to the central-level train monitoring unit 101 for receiving the control command generated by the central-level train monitoring unit 101, and transmitting the track status information and the vehicle information to the central-level train monitoring unit 101, and The control command is output to the core data processing unit 1022.
  • the core data processing unit 1022 is configured to acquire track state information from the track control unit 1023 and vehicle information from the train control unit 1024, perform centralized data processing on the control command, and output the track control command and the train control command. And transmitting the track state information and the vehicle information to the control display unit 1021.
  • a track control unit 1023 configured to receive the data flow of the track state information through the wired communication channel, thereby generating the track state information and transmitting the data to the core data processing unit 1022, and receiving the track control command,
  • the track control commands are processed and sent to the trackside electronic control unit 202.
  • the train control unit 1024 is configured to receive the vehicle information from the wireless communication channel, transmit the vehicle information to the core data processing unit 1022, and process the train control command and send the train control command to the corresponding train.
  • central control unit 102 also includes a maintenance diagnostic unit (not shown) coupled to core data processing unit 1022 that interfaces with core data processing unit 1022 via a bus and is responsible for recording and storing real-time status information of the trackside devices, and Monitoring the working state of each unit of the central control unit 102 in the rail transit information central control system of the present invention, and if a unit fails, immediately outputting a control switching instruction to the corresponding unit to achieve bumpless switching, and recording and outputting Related alarm information.
  • a maintenance diagnostic unit (not shown) coupled to core data processing unit 1022 that interfaces with core data processing unit 1022 via a bus and is responsible for recording and storing real-time status information of the trackside devices, and Monitoring the working state of each unit of the central control unit 102 in the rail transit information central control system of the present invention, and if a unit fails, immediately outputting a control switching instruction to the corresponding unit to achieve bumpless switching, and recording and outputting Related alarm information.
  • the central control unit 102 also includes a power supply unit 1029 coupled to the core data processing unit 1022 to ensure a stable voltage for each unit within the central control unit 102.
  • the central control unit 102 is connected to the trackside electronic control unit 202 through a cable channel, and the critical equipment involved in safety adopts a 2*2 take 2 safety redundant structure design.
  • the track control unit 1023 includes a data logical operation unit 10231, a unit information acquisition/control output unit 10232, and a data access/transmission unit 10233 which are sequentially connected. among them:
  • the data logic operation unit 10231 is mainly configured to store, buffer, verify, and classify the track control command, and then transmit the signal to the unit information collection/control output unit; and simultaneously receive the unit information acquisition/control output unit.
  • the track state information related data including the information of the trackside device and the state data, are uniformly analyzed, buffered, stored, and logically operated and classified and packaged to form the track state information, which is transmitted to the core data processing unit 1022.
  • the unit information collection/control output unit 10232 and the data access/transmission unit 10233 are mainly used for the collection of the trackside device information and status data and the further release of the track control command from the data logic and transmission unit 10231.
  • the process of collecting the trackside device information and the state data is: the data access/transmission unit 10233 receives the data flow of the track state information through the wired communication channel, performs classification and aggregation, and sends the data to the unit information collection.
  • / Control output unit 10232, unit information acquisition/control output unit 10232 can perform distributed acquisition according to the type of trackside equipment, improve processing efficiency and speed, and classify and package to form the trackside device information and status data.
  • the further release of the track control command includes: the unit information acquisition/control output unit 10232 performs packet classification on the track control command from the data logic operation unit 10231 and transmits the data to the data access/transmission unit 10233.
  • the data access/transmission unit 10233 is transmitted to the associated trackside electronic control unit 202 via the wired communication channel, and then transmitted to the associated trackside device by the trackside electronic control unit 202.
  • the train control unit 1024 includes a train data processing unit 10241 and a wireless communication unit 1042 connected to the train data processing unit 10241.
  • the main function of the train data processing unit 10241 and the wireless communication unit 1042 is the collection of the vehicle information and the release from the train control command.
  • the collecting of the vehicle information includes: the wireless communication unit 1042 performs real-time wireless communication with the designated train, acquires the vehicle information, and transmits the vehicle information to the train data processing unit 10241, and is buffered, stored, and packaged by the train data processing unit 10241.
  • the release of the train control command includes: the train control command from the core data processing unit 1022 is acquired by the train data processing unit 10241, and is sent through the wireless communication unit 1042 after being arranged by the data checksum. To the corresponding train, the monitoring of the train is realized.
  • real-time wireless communication between the wireless communication unit 1042 and the designated train is mainly through setting up a wireless communication access point at the station to ensure communication quality.
  • the central control unit 102 primarily relates to the processing of control commands from the central level train monitoring unit 101, as well as the collection of train and track status information.
  • control command obtained by the control display unit 1021 from the central level train monitoring unit 101 is passed to the core data processing unit 1022;
  • the core data processing unit 1022 combines the vehicle information and the track state information, performs centralized security logic operations, comparison, analysis, and processing with the control command, and outputs the track control command and the train control command; wherein the track control The command is output to the logic operation unit 10231, and the train control command is output to the train data processing unit 10241;
  • the data logic operation unit 10231 stores, buffers, checks, and sorts the track control commands from the core data processing unit 1022 and transmits them to the unit information acquisition/control output unit 10232, which is classified by the unit information acquisition/control output unit 10232. After being packaged, the data is transmitted to the data access/transmission unit 10233, and then sent to the trackside electronic control unit 202 via the wired communication channel to further monitor the trackside device;
  • the train data processing unit 10241 performs data check and arrangement on the train control command, and then transmits it to the corresponding train via the wireless communication unit 1042 to realize monitoring of the train.
  • the train data processing unit 10241 performs real-time communication with the designated train through the wireless communication unit 1042, and receives the vehicle information from the vehicle, including position, speed, direction, train status, and alarm information, etc., after buffer storage, classification and packaging, The vehicle information is sent to the core data processing unit 1022;
  • the data access/transmission unit 10233 receives the data stream of the track state information through the wired communication channel, performs classification and aggregation, and sends the data stream to the unit information collection/control output unit 10232.
  • the unit information collection/control output unit 10232 can follow the track.
  • the types of the side devices are distributed and collected, the processing efficiency and speed are improved, and the track-side device information and the state data are formed and distributed, and transmitted to the data logic operation unit 10231, and the data is integrated and analyzed, buffered, stored, and logically operated. Classification and packaging form the track state information, and pass to the core data processing unit 1022;
  • the core data processing unit 1022 transmits the received vehicle information and the track state information to the control display unit 1021, and is output by the control display unit 1021 to the central-level train monitoring unit 101.
  • the vehicle information and the track status information issue the associated control command.
  • FIG. 5 is a block diagram showing the structure of the trackside electronic control unit 202 of the rail transit information central control system of the present invention.
  • the wired communication channel connected to the trackside electronic control unit 202 is Ethernet, and the trackside electronic control unit 202 adopts a 2*2 take 2 security redundant structure.
  • the trackside electronic control unit 202 includes a communication unit 2021, a data processing unit 2022, an input/output unit 2023, and an interface unit 2024 that are sequentially connected.
  • a power supply unit 2025 is also included that is coupled to the data processing unit 2022.
  • the communication unit 2021 is a 2*2 take-up structure, and is mainly used for carrying the data flow of the track state information in a wavelength division multiplexing manner through a fiber optic network, and providing an ultra long distance between the devices of the trackside device and the central control unit.
  • the high-bandwidth, high-secure, and transparent optical transmission channel realizes information interaction between the information central control unit 102 and the trackside device, and the data flow of the track state information includes various data information, control commands, and alarm information. Wait.
  • the data processing unit 2022 is a 2*2 take 2 structure, and receives the track control command from the device of the central control unit 102 through a built-in photoelectric conversion transmission unit (not shown), performs safety logic operation, comparison, analysis, and processing. And outputting the corresponding track control command to the input/output unit 2023, and receiving various state information from the trackside device collected by the input/output unit 2023, buffering, classifying, sorting, and packing to form the track state information.
  • the data stream is sent via the communication unit 2021.
  • the input/output unit 2023 receives the track control command from the data processing unit 2022, and after decomposing and sorting, outputs the track control command to the interface unit 2024, and in addition, it is responsible for collecting various status information from the interface unit 2024. And the alarm information is classified and packaged and sent to the data processing unit 2022.
  • the interface unit 2024 provides a connection interface for various devices along the track, and provides lightning protection and anti-surge functions to ensure safe and reliable connection of the front-end equipment.
  • the power supply unit 2025 provides the required stable and reliable working power for the information front-end equipment.
  • the trackside device includes a ramp, a signal, a beacon, and an emergency stop button, each of which has a unique ID number, and is respectively connected to the trackside electronic control unit 202 through the connection interface, by data.
  • the processing unit 2022 drives the trackside device according to the ID number and collects state information of the trackside device.
  • the working principle of the trackside electronic control unit 202 is: After the communication unit 2021 receives the control command, the optical signal is converted into an electrical signal, and the data processing unit 2022 controls the corresponding drive/acquisition PLC board work switching switch or the signal display according to the unique ID number of the device, and simultaneously drives/acquires the PLC.
  • the board collects the working status of the device and returns it to the communication unit 2021.
  • the communication unit 2021 packs the information and sends it back to the control center 10.
  • the command operation of the center-to-track device is implemented, and the trackside device sends the collected information back to the control center 10.
  • FIG. 6 a flow chart of a control method of the rail transit information central control system according to the present invention is employed.
  • the present invention also provides a control method for a rail transit informatization central control system, the system comprising a control center 10 and a plurality of station level control units 20 communicatively coupled to the control center 10 via a communication network 30, the control center 10 comprising: The central-level train monitoring unit 101 and the central control unit 102 connected to the central-level train monitoring unit 101, wherein the central control unit 102 includes a core data processing unit 1022 and a display unit 1021 connected to the core data processing unit 1022, respectively.
  • the track control unit 1023 and the train control unit 1024 are examples of the train monitoring unit 1024.
  • each station is provided with a wireless communication access point.
  • the method includes:
  • the central-level train monitoring unit 101 real-time monitoring train operation supervision, train operation adjustment, temporary speed limit setting, train approach processing and train schedule preparation and operation, and generating control commands are sent to the control display unit 1021;
  • the core data processing unit 1022 receives the control command from the display unit 1021, and simultaneously receives the vehicle information of the full-line train acquired by the train control unit 1023 through the wireless communication channel, and the receiving track control unit 1024 passes the wired communication station. Obtaining track state information indicating a state occupied by the track or idle, the core data processing unit 1022 performs centralized data processing according to the control command, the vehicle information, and the track state information to generate a track control command and a train control command, and The updated track state information and the vehicle information are transmitted to the display unit 1021 and displayed.
  • the core data processing unit 1022 combines the vehicle information and the track state information, performs centralized safety logic operations, comparison, analysis, and processing with the control command, and outputs the track control command and the train control command.
  • the train control command includes authorization information corresponding to a particular train, thereby ensuring that the train control command can be correctly received by the particular train.
  • the train control unit 1024 sends the train control command to a corresponding train, instructing the train to execute the train control command, and implementing control of the train.
  • the train receives the train control command through the wireless communication channel, acquires the authorization information, executes the train control command, such as switch conversion, decelerates to zero, opens the door (to the station), or closes the door, initiates acceleration (out Station) and so on.
  • the track control unit 1023 sends the track control command to the trackside electronic control unit 202 in the station level control unit 20 through the wired communication channel, thereby controlling the track side connected to the trackside electronic control unit 202.
  • the working status of the device is the following status of the device.
  • the track control unit 1023 is always connected to the wired communication channel in the communication network 30, and acquires track state information transmitted by the plurality of trackside electronic control units 202 in the wired communication channel in real time.
  • the station-level train monitoring unit 201 also accesses the wired communication channel, and acquires the track status information sent by the trackside electronic control unit 202 in the station area where the station is located. Display is performed on a workbench set in the station-level train monitoring unit 201.
  • the train control unit 1024 is connected to the wireless communication access point of each station through the wireless communication channel in the communication network 30, and acquires vehicle information of the train in the wireless communication coverage area of each station.
  • the step of acquiring the track state information in the foregoing step S2 further includes:
  • the data access/transmission unit 10233 in the track control unit 1023 establishes wired communication with the trackside electronic control unit 202 of each station by accessing the wired communication channel;
  • the data access/transmission unit 10233 acquires the track status information collected by the trackside electronic control unit 202 in real time, the track status information including a trackside device connected to the trackside electronic control unit 202. Work status information.
  • the step of collecting the track state information by the trackside electronic control unit 202 further includes: the track state information is collected by the input/output unit 2023 via the interface unit 2024, buffered, classified, organized, and packaged by the data processing unit.
  • the data stream forming the track state information is then passed to the communication unit 2021 for transmission to the data access/transmission unit 10233 in the central control unit 102.
  • the plurality of unit information acquisition/control output units 10232 in the track control unit 1023 classify and package the track state information and pass it to the data logic operation unit 10231 in the track control unit 1023;
  • the S2.b.4-S2.b.5 data logic operation unit 10231 receives data related to the track state information from the unit information acquisition/control output unit 10232, including information and status data of the trackside device, and is uniformly analyzed.
  • the track state information is organized, buffered, stored, and logically grouped and classified to be passed to the core data processing unit 1022.
  • the step of acquiring vehicle information in the above step S2 further includes:
  • the wireless communication unit 1042 After the train enters the coverage area of the wireless communication access point, the wireless communication unit 1042 performs real-time wireless communication with the wireless communication unit 1042 of the central control unit 102.
  • the wireless communication unit 1042 acquires vehicle information of the train through the wireless communication channel and further transmits the information to the train data processing unit 10241, where the train information includes the current position, speed, direction, and train status of the train. And alarm information, etc.
  • the train data processing unit 10241 buffers, classifies and packs the vehicle information.
  • the vehicle information is transmitted to the core data processing unit 1022.
  • the step of executing the train control command in the step S3 further includes:
  • the train data processing unit 10241 performs data check and arrangement on the train control command and transmits the data to the wireless communication unit 1042.
  • the wireless communication unit 1042 accesses the wireless communication coverage area to transmit the train control command to the corresponding train.
  • the train changes its operating state according to the train control command, for example, for example, switch conversion, deceleration to zero, opening of the door (to the station), or closing of the door, starting acceleration (outbound), and the like.
  • step of executing the train control command in step S4 further includes:
  • the data logic operation unit 10231 stores, buffers, checks, and sorts the track control commands from the core data processing unit 1022 in different tracks and transmits them to the unit information acquisition/control output unit 10232.
  • the unit information collection/control output unit 10232 classifies and packs the track control commands for different trains and transmits them to the data access/transmission unit 10233.
  • the data access/transmission unit 10233 is sent to the trackside electronic control unit 202 via the wired communication channel.
  • the S4.4 trackside electronic control unit 202 changes the working state of the trackside device according to the track control command, for example, the outbound and the incoming color light repeating signal display signals, and the screen door is opened or closed.
  • the control center 10 of the present invention is in communication with a plurality of station level control units 20, which can simultaneously control the operating states of trains and trackside devices on a plurality of lines of a plurality of stations.
  • the central control unit 102 further includes a maintenance diagnostic unit (not shown) connected to the core data processing unit 1022, the method comprising:
  • the rail transit information central control system of the invention improves the data processing capability of the core computing unit equipment by optimizing the network structure, realizes the central setting configuration of the signal core control device, and uses the optical cable as a long-distance communication channel, and realizes by using photoelectric conversion technology.
  • the data communication between the central equipment and the trackside target control unit realizes the control and status monitoring of the trackside equipment by using the target controller installed in the field, realizing the central control of the true meaning of the signal equipment, and realizing the self-detection function of the optical communication network. Network real-time supervision.
  • the invention improves the optical network information technology, the high computational quantity and high reliability and safety processor system through adaptability, so that it meets the application requirements of the information system, and constitutes a new technology information system;
  • the optical fiber communication technology is used to realize information transmission and reduce energy consumption, Closed-loop detection, adding new functions of information system; using high-integration central equipment to manufacture new process technology to reduce manufacturing and maintenance costs; since the entire rail transit line has only one central-level signal equipment room, complete monitoring of full-track equipment The signal equipment and signal equipment room in the original stations were cancelled, which reduced the overall civil engineering equipment area by 25%, greatly reduced engineering investment costs and reduced design complexity, improved information system maintainability, energy saving and emission reduction.
  • information system equipment is highly integrated, easy to maintain information system, reduce maintenance costs, improve availability, maintenance personnel and maintenance time can be reduced by 50%; information system core equipment is small, and central configuration, simplifying the entire line System structure design, greatly reduced the design Complexity, a simple device structure, improve safety integrity and reliability; trackside electronic control unit with integrated design, flexible configuration, easy to extend the expansion project, reducing the risk of construction.

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Abstract

提供了一种轨道交通信息化中央控制系统及其控制方法，该系统包括控制中心，以及通过通信网络与所述控制中心通信连接的多个车站级控制单元，控制中心包括中心级列车监控单元（101）和中央控制单元（102），中央控制单元（102）根据中心级列车监控单元（101）的控制指令以及列车的当前状态信息和轨旁设备的状态信息形成对列车和轨旁设备的控制命令，上述系统将现有技术中分布在若干集中控制区域内的网络分散控制系统设计为一种中央集中控制系统，将光网络信息技术、高运算量高可靠性安全处理器系统通过适应性改进，构成新技术信息系统；采用光纤通信实现信息传输、降低能耗、闭环检测，增加信息系统功能；采用高度集成中央的设备制造新型工艺技术，降低制造及维护成本。

Description

轨道交通信息化中央控制系统及其控制方法 技术领域
本发明涉及轨道交通领域，更具体地说，涉及一种轨道交通信息化中央控制系统及其控制方法。
背景技术
轨道交通在现代城市交通系统中起着越来越重要的作用。采用大客运量的城市轨道交通(地铁和轻轨)系统，是从根本上改善城市公共交通状况的有效途径。在城市轨道交通领域中，信息系统是保证列车运行安全，实现行车指挥和列车运行自动化，提高运输效率的关键设备。
目前，城市轨道交通信息系统正线室外基础信号设备与室内控制设备间的信息传输采用电缆作为传输载体。由于受限于电缆的传输距离及室内控制设备的运算及控制能力，所以一般将全线控制设备（联锁设备、计轴设备、列车监控设备、列车防护轨旁设备和电源屏设备等）分布在若干集中控制区域内，每个集中控制区域负责控制附近几个车站的室外信号设备（转辙机、信号机、可变应答器、站台设备等）。站内设备采用局域网或串口连接，站间通过站间光缆连接形成以太网。虽然该种信息系统设备配置在一定程度上实现了集中控制，但总的来说仍属于一种分散式控制结构。这种信息系统设备配置中，设备集中站一般分配2个房间（电源室和设备室），非设备集中站一般分配一个房间作为设备室。
现有轨道交通信号控制技术领域中，由于系统的区域化设置和受传统设备的控制距离影响，每个车站均需设立信号设备室，以便安装相关用于行车控制的信号设备，信号设备的分散设置，都需要符合维修和更新换代的空间，在每个车站都必须安排这些必须的空间，占用了车站有限的空间资源，增大了土建投资成本。
现有的电子设备设置，都需要装设空调装置以确保设备运转环境正常，分散设置的系统设备房，都需要在每个设备房屋处装设适应相关系统最大运转工作情况下的空调装置，以支持系统设备运行，造成空调电力的多余消耗。
正线信号控制设备分散重复布置，造成了设备的硬件投资成本高和维护工作量大、降低了系统的整体可靠性、可用性，对系统安全完整度的实现造成损失。
由于正线整条线路设置了几个集中控制区域，对列车在集中控制区域间的交接和运行控制，需要系统设立专用的硬件设备和软件设计来完成，造成系统设计复杂，不容易实现标准化的技术系统。
发明内容
本发明要解决的技术问题在于，针对现有技术中轨道交通中央控制系统复杂和可靠性低的缺陷，提供一种轨道交通信息化中央控制系统。
本发明解决其技术问题所采用的技术方案是：构造一种轨道交通信息化中央控制系统，包括：
控制中心以及通过通信网络与所述控制中心通信连接的一个或多个车站级控制单元；
所述控制中心包括：中心级列车监控单元和与所述中心级列车监控单元连接的中央控制单元，其中，所述中央控制单元包括核心数据处理单元以及分别与所述核心数据处理单元相连接的控显单元、轨道控制单元和列车控制单元；
所述中心级列车监控单元用于实现列车运行监督、列车运行调整、临时限速设置、列车进路办理和列车时刻表编制及运行，并产生控制指令发送给所述控显单元；
所述核心数据处理单元用于分别接收来自于所述控显单元的所述控制指令、并同时接收所述列车控制单元通过无线通信通道所获取全线列车的车辆信息、以及接收所述轨道控制单元通过有线通信通所获取的表示轨道占用或空闲的状态的轨道状态信息，所述核心数据处理单元还用于根据所述控制指令、所述车辆信息以及所述轨道状态信息进行集中数据处理，产生轨道控制命令和列车控制命令，并将更新的所述轨道状态信息及所述车辆信息传递给所述控显单元并显示；
所述列车控制单元用于将所述列车控制命令经所述无线通信通道发送至相应的列车，指示所述列车执行所述列车控制命令，实现对所述列车的控制；
所述轨道控制单元用于将所述轨道控制命令通过所述有线通信通道发送至车站级控制单元内的轨旁电子控制单元，进而控制与所述轨旁电子控制单元相连接的所述轨旁设备的工作状态。
本发明的轨道交通信息化中央控制系统中，所述列车控制单元，包括：
无线通信单元，用于实现所述中央控制单元与所述列车的实时通信；
列车数据处理单元，连接所述核心数据处理单元，用于获得由所述核心数据处理单元输出的所述列车控制命令，并通过所述无线通信单元接收来自全线列车的所述车辆信息，并进行缓冲存储、分类打包，将所述车辆信息输出，并将来自所述核心数据处理单元的所述列车控制命令，经过数据校验和排列后经所述无线通信单元发送至所述列车，实现对所述列车的控制。
本发明的轨道交通信息化中央控制系统中，所述轨道控制单元包括：
数据接入/传输单元，用于通过所述有线通信通道接收来自所述轨旁电子控制单元的所述轨道状态信息的数据流进行分类汇总，并与一个或多个单位信息采集/控制输出单元进行数据交互获得所述轨道控制命令，对所述轨道控制命令进行分类编组后通过所述有线通信通道将所述轨道控制命令发送给所述轨旁电子控制单元；
所述单位信息采集/控制输出单元，用于与所述数据接入/传输单元进行数据交互获得由所述数据接入/传输单元分类汇总的所述轨道状态信息的数据流，并进行打包汇总传递至数据逻辑运算单元，并获取来自所述数据逻辑运算单元的所述轨道控制命令，进行分类打包后传递给所述数据接入/传输单元；
所述数据逻辑运算单元，分别与所述单位信息采集/控制输出单元及核心数据处理单元相连接，用于获取来自所述核心数据处理单元的所述轨道控制命令及来自所述单位信息采集/控制单元的所述轨道状态信息的数据流，并对所述轨道状态信息的数据流进行处理形成所述轨道状态信息，所述处理包括分析整理、缓冲、存储和逻辑运算，将所述轨道状态信息打包后传递给所述核心数据处理单元。
本发明的轨道交通信息化中央控制系统中，所述轨旁电子控制单元，包括顺次连接的通信单元、数据处理单元、输入/输出单元、接口单元，其中，
所述通信单元将所述轨道状态信息用于通过光纤网络以波分复用的方式承载，在所述轨旁电子控制单元和所述中央控制单元间提供光传输通道；
所述数据处理单元包括光电转换传输单元，用于经所述通信单元接收来自所述轨道控制单元的所述轨道控制命令；
所述输入/输出单元用于接收来自所述数据处理单元的所述轨道控制命令，经过分解和分类后，将所述轨道控制命令输出至所述接口单元；
所述接口单元为所述轨旁设备提供连接接口。
本发明的轨道交通信息化中央控制系统中，所述有线通信通道通过全线铺设的光缆搭建环型冗余骨干网，所述车站级控制单元还包括电源设备，通过电源电缆与所述轨旁电子控制单元连接，为室外的所述轨旁设备提供稳压电源；
所述轨旁电子控制单元通过电源电缆连接到电源分配箱，用于获取稳压电源，所述控制中心还包括电源屏及UPS，用于为所述中央控制单元及中心级列车监控单元供电。
本发明的轨道交通信息化中央控制系统中， 所述中央控制单元还包括连接到所述核心数据处理单元的维护诊断单元，用于通过总线与所述核心数据处理单元连接，负责记录和实时存储所述轨道状态信息，并监测所述中央控制单元的工作状态，并记录和/或输出相关的告警信息。
本发明还提供了一种轨道交通信息化中央控制系统的控制方法，所述系统包括控制中心以及通过通信网络与所述控制中心通信连接的多个车站级控制单元，所述控制中心包括：中心级列车监控单元和与所述中心级列车监控单元连接的中央控制单元，其中，所述中央控制单元包括核心数据处理单元以及分别与所述核心数据处理单元相连接的控显单元、轨道控制单元和列车控制单元；所述方法包括：
所述中心级列车监控单元实时监测列车运行监督、列车运行调整、临时限速设置、列车进路办理和列车时刻表编制及运行，并产生控制指令发送给所述控显单元；
所述核心数据处理单元分别接收来自于所述控显单元的所述控制指令、并同时接收所述列车控制单元通过无线通信通道所获取全线列车的车辆信息、以及接收所述轨道控制单元通过有线通信通所获取的表示轨道占用或空闲的状态的轨道状态信息，所述核心数据处理单元根据所述控制指令、所述车辆信息以及所述轨道状态信息进行集中数据处理，产生轨道控制命令和列车控制命令，并将更新的所述轨道状态信息及所述车辆信息传递给所述控显单元并显示；
所述列车控制单元将所述列车控制命令发送至相应的列车，指示所述列车执行所述列车控制命令，实现对所述列车的控制；
所述轨道控制单元将所述轨道控制命令通过所述有线通信通道发送至所述车站级控制单元内的轨旁电子控制单元，进而控制与所述轨旁电子控制单元的轨旁设备的工作状态。
本发明所述的轨道交通信息化中央控制系统的控制方法中，所述列车控制单元包括无线通信单元和列车数据处理单元，所述列车控制单元通过所述无线通信通道获取全线列车的所述车辆信息并实现对所述列车的控制具体包括如下步骤：
所述列车数据处理单元通过所述无线通信单元与指定的列车进行实时通信，获得由所述核心数据处理单元输出的所述列车控制命令，并通过所述无线通信单元接收来自全线列车的所述车辆信息，并进行缓冲存储、分类打包，将所述车辆信息输出，并将来自所述核心数据处理单元的所述列车控制命令，经过数据校验和排列后经所述无线通信单元发送至所述列车，实现对所述列车的控制。
本发明所述的轨道交通信息化中央控制系统的控制方法中，所述轨道控制单元包括数据接入/传输单元，一个或多个单位信息采集/控制输出单元，数据逻辑运算单元，所述轨道控制单元通过所述有线通信通所获取的轨道状态信息和控制所述轨旁设备具体包括如下步骤：
所述数据接入/传输单元通过所述有线通信通道接收来自所述轨旁电子控制单元的所述轨道状态信息的数据流进行分类汇总，并与单位信息采集/控制输出单元进行数据交互获得所述轨道控制命令，对所述轨道控制命令进行分类编组后通过所述有线通信通道将所述轨道控制命令发送给所述轨旁电子控制单元；
一个或多个所述单位信息采集/控制输出单元与所述数据接入/传输单元进行数据交互获得由所述数据接入/传输单元分类汇总的所述轨道状态信息的数据流，并进行打包汇总传递至所述数据逻辑运算单元，并获取来自所述数据逻辑运算单元的所述轨道控制命令，进行分类打包后传递给所述数据接入/传输单元；
所述数据逻辑运算单元获取来自所述核心数据处理单元的所述轨道控制命令及来自所述单位信息采集/控制单元的所述轨道状态信息的数据流，并对所述轨道状态信息的数据流进行处理形成所述轨道状态信息，所述处理包括分析整理、缓冲、存储和逻辑运算，将所述轨道状态信息打包后传递给所述核心数据处理单元。
本发明所述的轨道交通信息化中央控制系统的控制方法中，所述轨旁电子控制单元包括顺次连接的通信单元、数据处理单元、输入/输出单元、接口单元，在接收所述轨道控制命令时，所述数据处理单元内置的光电转换单元通过所述通信单元经所述有线通信通道接收所述轨道控制命令，进行安全逻辑运算、比较、分析和处理后，输出相应的所述轨道控制命令至所述输入/输出单元，经过分解和分类后，将所述轨道控制命令输出至所述接口单元，进而控制连接在所述接口单元上的所述轨旁设备的工作状态；
本发明所述的轨道交通信息化中央控制系统的控制方法中，所述车站级控制单元设置车站级列车监控单元，所述方法还包括：
由所述车站级列车监控单元连接到所述有线通信通道，实时获取并显示所在车站区域内的所述轨道状态信息。
本发明所述的轨道交通信息化中央控制系统的控制方法中，所述中央控制单元还包括连接到所述核心数据处理单元的维护诊断单元，所述方法包括：
由所述维护诊断单元记录并实时存储所述轨道状态信息，并监测所述中央控制单元的工作状态，并记录和/或输出相关的告警信息。
实施本发明的轨道交通信息化中央控制系统，具有以下有益效果：本发明将光网络信息技术、高运算量高可靠性安全处理器系统通过适应性改进，将现有技术中的分布在若干集中控制区域内的控制设计为本发明的中央集中控制，使其满足信息系统的应用需求，构成新技术信息系统；采用光纤通信技术实现信息传输、降低能耗、闭环检测，增加信息系统新功能；采用高度集成中央的设备制造新型工艺技术，实现降低制造及维护成本。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明的轨道交通信息化中央控制系统的结构示意图；
图2是图1所示的轨道交通信息化中央控制系统的部分细节组成图；
图3是图2所示的中央控制单元的轨道控制单元的组成框图；
图4是图2所示的中央控制单元的列车控制单元的组成框图；
图5是图1所示的轨道交通信息化中央控制系统的轨旁电子控制单元的结构示意图；
图6是本发明的轨道交通信息化中央控制系统的控制方法流程示意图；
图7示出了图6所示步骤S2的获取轨道状态信息的具体流程示意图；
图8示出了图6所示步骤S2的获取车辆信息的具体流程示意图；
图9示出了图6所示步骤S3的执行列车控制命令的具体流程示意图；
图10示出了图6所示步骤S4的执行轨道控制命令的具体流程示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
图1示出了本发明的轨道交通信息化中央控制系统的系统结构示意图。如图所示，本发明的轨道交通信息化中央控制系统包括控制中心10，以及通过通信网络30与控制中心10通信连接的车站级控制单元20。
控制中心10包括中心级列车监控单元101，以及与中心级列车监控单元101相连接的中央控制单元102。其中，中心级列车监控单元101包括应用服务器、数据库服务器、各类工作站及打印机等，用于实现对所有列车的监控，包括实现列车运行监督、列车运行调整。临时限速设置、列车进路办理和列车时刻表编制及运行，并产生相关的控制指令。
通信网络30包括有线网络和无线网络，相应地，具有有线通信通道和无线通信通道。有线网络通过全线铺设的光缆搭建环型冗余骨干网，有线网络采用冗余配置，中央交换机以及全线的车站级控制单元20全部连接在有线网络中，完成全线轨旁设备与控制中心的数据交换，控制中心通过中心局域网互相连接。
中央控制单元102，通过所述有线通信通道，实现表示轨道占用或空闲的状态的轨道状态信息的采集，并进行联锁逻辑运算和输出轨道控制命令，控制全线轨旁设备；通过所述无线通信通道，接收列车定位信息和列车状态信息，实现控制中心与全线列车的通信，发送列车控制命令。
特别地，所述列车控制命令还附带了指示所述相应列车的授权信息，控制中心10与全线列车之间的所述通信主要通过在车站设立无线接入点进行实现以保证通信质量。
特别地，控制中心10还设置了电源设备103，包括电源屏及UPS，用于为中央控制单元102及中心级列车监控单元101供电。
车站级控制单元20，至少包括车站级列车监控单元201及轨旁电子控制单元202。其中车站级列车监控单元201仅包含本地操作工作站，主要功能在于显示所述车站区域内所述轨道和列车的状态信息，不涉及相关列车及轨道控制命令的下达。轨旁电子控制单元202通过所述有线通信通道与控制中心10相连接，主要用于采集所在区域内的所述轨道状态信息，并通过通信网络30实现与中央控制单元102的信息交互，将所述轨道状态信息发送给中央控制单元102，同时接收中央控制单元102发出的轨道控制命令，进而控制轨旁设备。
在本实施例中，车站级列车监控单元201设置在车控室，所有的列车控制命令都由控制中心10的中心级列车监控单元101来下达；站级设备只有本站区设备的显示功能，在此车控室内除安装电源设备围所述本地操作台供电以外无其他信号控制设备，因此车站内可不设信号设备室，属于真正意义上的信息系统设备中央控制配置。
图2示出了本发明的轨道交通信息化中央控制系统的控制中心的中央控制单元的102组成结构示意图。
参考图2，中央控制单元102至少包括核心数据处理单元1022以及分别与核心数据处理单元1022相连接的控显单元1021、轨道控制单元1023和列车控制单元1024，上述各单元的连接方式如图所示，其连接方式均为通过信号机接口连接。其中，
控显单元1021，连接到中心级列车监控单元101，用于接收由中心级列车监控单元101产生的控制命令，并将包括轨道状态信息及车辆信息传递给中心级列车监控单元101，并将所述控制指令输出至核心数据处理单元1022。
核心数据处理单元1022，用于获取来自轨道控制单元1023的轨道状态信息和来自列车控制单元1024的车辆信息，对所述控制指令进行集中数据处理，输出所述轨道控制命令和所述列车控制命令，并将所述轨道状态信息及所述车辆信息传递给控显单元1021。
轨道控制单元1023，用于通过所述有线通信通道接收所述轨道状态信息的数据流由此产生所述轨道状态信息进而传递给核心数据处理单元1022，并接收所述轨道控制命令，对所述轨道控制命令进行处理并发送给轨旁电子控制单元202。
列车控制单元1024，用于通过所述无线通信通道接收来自车辆信息，将所述车辆信息传递给核心数据处理单元1022，并对所述列车控制命令进行处理并发送给所述相应的列车。
特别地，中央控制单元102还包括连接到核心数据处理单元1022的维护诊断单元（未示出），其通过总线与核心数据处理单元1022接口，负责记录和存储轨旁设备的实时状态信息，并监测本发明的轨道交通信息化中央控制系统中中央控制单元102的各单元的工作状态，若某个单元发生故障，则立即输出控制切换指令至相应的单元，实现无扰切换，并记录和输出相关的告警信息。
特别地，中央控制单元102还包括连接到核心数据处理单元1022的供电单元1029，保证中央控制单元102内各单元的稳定电压。
本实施例中，中央控制单元102通过光缆通道与轨旁电子控制单元202连接，涉及安全的关键性设备采用2*2取2的安全冗余结构设计。
参考图3，轨道控制单元1023，包括：顺次连接的数据逻辑运算单元10231、单位信息采集/控制输出单元10232及数据接入/传输单元10233。其中：
数据逻辑运算单元10231，主要用于对所述轨道控制命令进行存储、缓冲、校验和分类后，传递给所述单位信息采集/控制输出单元；同时接收来自单位信息采集/控制输出单元的与所述轨道状态信息相关的数据，包括轨旁设备的信息和状态数据，经统一分析整理、缓冲、存储和逻辑运算并分类打包形成所述轨道状态信息，传递给核心数据处理单元1022。
单位信息采集/控制输出单元10232及数据接入/传输单元10233，主要用于所述轨旁设备信息和状态数据的采集和来自数据逻辑与传输单元10231的所述轨道控制命令的进一步下达。具体地，所述轨旁设备信息和状态数据的采集过程为：数据接入/传输单元10233通过所述有线通信通道接收所述轨道状态信息的数据流，并进行分类汇总并发送给单位信息采集/控制输出单元10232，单位信息采集/控制输出单元10232可按照轨旁设备的类型进行分散采集，提高处理效率和速度，并分类打包进而形成所述轨旁设备信息和状态数据。而所述轨道控制命令的进一步下达包括：由单位信息采集/控制输出单元10232对所述来自数据逻辑运算单元10231的所述轨道控制命令进行打包分类并传递给数据接入/传输单元10233，由数据接入/传输单元10233通过所述有线通信通道发送给相关的轨旁电子控制单元202，再由轨旁电子控制单元202传递给相关的轨旁设备。
如图4所示，列车控制单元1024，包括列车数据处理单元10241及与列车数据处理单元10241相连的无线通信单元10242。列车数据处理单元10241及无线通信单元10242的主要功能在于对所述车辆信息的采集和来自所述列车控制命令的下达。具体地，所述车辆信息的采集包括：无线通信单元10242与指定列车进行实时无线通信，获取所述车辆信息并传递给列车数据处理单元10241，由列车数据处理单元10241通过缓冲存储和分类打包后传递给核心数据处理单元1022；所述列车控制命令的下达包括：由列车数据处理单元10241获取来自核心数据处理单元1022的所述列车控制命令，经数据校验和排列后经无线通信单元10242发送至相应列车，实现对列车的监控。特别地，无线通信单元10242与指定列车之间的实时无线通信，主要通过在车站设立无线通信接入点以保证通信质量。
总体说来，中央控制单元102主要涉及来自中心级列车监控单元101的控制命令的处理下达，以及对列车及轨道状态信息的采集。
所述来自中心级列车监控单元101的控制命令的处理下达过程可以按照以下流程进行阐释：
由控显单元1021获取来自中心级列车监控单元101的所述控制命令传递给核心数据处理单元1022；
核心数据处理单元1022结合所述车辆信息和轨道状态信息，随所述控制命令进行集中安全逻辑运算、比较、分析和处理，输出所述轨道控制命令和所述列车控制命令；其中所述轨道控制命令输出到逻辑运算单元10231，所述列车控制命令输出给列车数据处理单元10241；
数据逻辑运算单元10231对来自核心数据处理单元1022的所述轨道控制命令进行存储、缓冲、校验和分类后发送至单位信息采集/控制输出单元10232，由单位信息采集/控制输出单元10232分类和打包后传递给数据接入/传输单元10233，再经所述有线通信通道发送给轨旁电子控制单元202，进一步监控轨旁设备；
列车数据处理单元10241对所述列车控制命令进行数据校验和排列后，经无线通信单元10242发送至相应列车，实现对列车的监控。
对列车及轨道状态信息的采集过程可按照以下过程进行阐释：
列车数据处理单元10241通过无线通信单元10242与指定的列车进行实时通信，接收来自车辆的所述车辆信息，包括位置、速度、方向、列车状态和告警信息等，通过缓冲存储、分类打包后，将所述车辆信息发送给核心数据处理单元1022；
数据接入/传输单元10233通过所述有线通信通道接收所述轨道状态信息的数据流，并进行分类汇总并发送给单位信息采集/控制输出单元10232，单位信息采集/控制输出单元10232可按照轨旁设备的类型进行分散采集，提高处理效率和速度，并分类打包进而形成所述轨旁设备信息和状态数据，并传递给数据逻辑运算单元10231，经统一分析整理、缓冲、存储和逻辑运算并分类打包形成所述轨道状态信息，传递给核心数据处理单元1022；
核心数据处理单元1022将接收到的所述车辆信息及所述轨道状态信息，传递给控显单元1021，由控显单元1021输出到中心级列车监控单元101，中心级列车监控单元101依据所述车辆信息及所述轨道状态信息发出相关的所述控制命令。
图5示出了本发明的轨道交通信息化中央控制系统的轨旁电子控制单元202的结构示意图。
如图所示，本实施例中，轨旁电子控制单元202所连接的有线通信通道为以太网，轨旁电子控制单元202采用2*2取2的安全冗余结构。轨旁电子控制单元202包括顺次连接的通信单元2021、数据处理单元2022、输入/输出单元2023、接口单元2024。特别地还包括电源单元2025，连接到数据处理单元2022。
通信单元2021为2*2取2结构，主要用于将所述轨道状态信息的数据流通过光纤网络以波分复用的方式承载，在轨旁设备和中央控制单元的设备间提供超长距离、高带宽、高保密性和透明的光传输通道，实现信息化中央控制单元102的与轨旁设备间的信息交互，所述轨道状态信息的数据流包括各种数据信息、控制命令和告警信息等。
数据处理单元2022为2*2取2结构，通过内置的光电转换传输单元（未示出）接收来自中央控制单元102的设备的所述轨道控制命令，进行安全逻辑运算、比较、分析和处理后，输出相应的所述轨道控制命令至输入/输出单元2023，同时接收来自输入/输出单元2023采集的轨旁设备的各种状态信息，进行缓冲、分类、整理和打包后形成所述轨道状态信息的数据流，经通信单元2021发出。
输入/输出单元2023接收来自数据处理单元2022的所述轨道控制命令，经过分解和分类后，将所述轨道控制命令输出至接口单元2024，另外，它负责收集来自接口单元2024的各种状态信息和告警信息，进行分类打包后发送至数据处理单元2022。
接口单元2024为轨旁各种设备提供连接接口，并提供防雷和防浪涌功能，保证前端设备的安全可靠连接。
电源单元2025为信息化前端设备提供所需稳定、可靠的工作电源。
如图5所示，所述轨旁设备包括岔道、信号机、信标、紧急急停按钮，其各自具有唯一的ID号，分别通过所述连接接口与轨旁电子控制单元202连接，由数据处理单元2022根据所述ID号驱动所述轨旁设备和采集所述轨旁设备的状态信息。
轨旁电子控制单元202的工作原理为: 当通信单元2021接收到控制命令后，把光信号转换为电信号，数据处理单元2022根据设备的唯一ID号控制对应的驱动/采集PLC板工作转换道岔或信号机显示等，同时驱动/采集PLC板会采集到设备的工作状态并返送到通信单元2021，通信单元2021把信息打包后发送回控制中心10。实现了中心对轨旁设备的命令操作，以及轨旁设备把采集的信息发送回控制中心10。
如图6所示，采用了本发明所述的轨道交通信息化中央控制系统的控制方法流程图。
本发明还提供了一种轨道交通信息化中央控制系统的控制方法，所述系统包括控制中心10以及通过通信网络30与控制中心10通信连接的多个车站级控制单元20，控制中心10包括：中心级列车监控单元101和与中心级列车监控单元101连接的中央控制单元102，其中，中央控制单元102包括核心数据处理单元1022以及分别与所述核心数据处理单元1022相连接的控显单元1021、轨道控制单元1023和列车控制单元1024。
本实施例中各车站均设置了无线通信接入点，
所述方法包括：
S1，中心级列车监控单元101实时监测列车运行监督、列车运行调整、临时限速设置、列车进路办理和列车时刻表编制及运行，并产生控制指令发送给所述控显单元1021；
S2，核心数据处理单元1022分别接收来自于控显单元1021的所述控制指令、并同时接收列车控制单元1023通过无线通信通道所获取全线列车的车辆信息、以及接收轨道控制单元1024通过有线通信通所获取的表示轨道占用或空闲的状态的轨道状态信息，核心数据处理单元1022根据所述控制指令、所述车辆信息以及所述轨道状态信息进行集中数据处理，产生轨道控制命令和列车控制命令，并将更新的所述轨道状态信息及所述车辆信息传递给所述控显单元1021并显示。具体地，核心数据处理单元1022结合所述车辆信息和轨道状态信息，随所述控制指令进行集中安全逻辑运算、比较、分析和处理，输出所述轨道控制命令和所述列车控制命令。所述列车控制命令包含与具体列车相对应的授权信息，由此保证列车控制命令能由具体的列车正确接收。
S3，列车控制单元1024将所述列车控制命令发送至相应的列车，指示所述列车执行所述列车控制命令，实现对所述列车的控制。列车通过所述无线通信通道接收所述列车控制命令，获取所述授权信息，执行所述列车控制命令，例如道岔转换，减速至零、开启车门（到站），或者关闭车门、启动加速（出站）等。
S4,轨道控制单元1023将所述轨道控制命令通过所述有线通信通道发送至车站级控制单元20内的轨旁电子控制单元202，进而控制与所述轨旁电子控制单元202相连接的轨旁设备的工作状态。
具体地，轨道控制单元1023始终连接到通信网络30中的有线通信通道，实时获取所述有线通信信道内由多个轨旁电子控制单元202发送的轨道状态信息。此外，车站级列车监控单元201也接入了所述有线通信通道，获取其所在站区内的由所述轨旁电子控制单元202发出的所述轨道状态信息， 在车站级列车监控单元201内设置的工作台上进行显示。列车控制单元1024通过所述通信网络30中的所述无线通信通道连接到各车站的所述无线通信接入点，获取各车站的无线通信覆盖区内的列车的车辆信息。
如图8所示，上述步骤S2中获取轨道状态信息的步骤进一步包括：
S2.b.1.轨道控制单元1023中的数据接入/传输单元10233通过接入所述有线通信通道与各车站的轨旁电子控制单元202建立有线通信；
S2.b.2.数据接入/传输单元10233实时获取由所述轨旁电子控制单元202采集的所述轨道状态信息，所述轨道状态信息包括连接到轨旁电子控制单元202的轨旁设备的工作状态信息。其中，所述轨旁电子控制单元202采集所述轨道状态信息的步骤进一步包括：所述轨道状态信息经接口单元2024由输入/输出单元2023采集，经数据处理单元进行缓冲、分类、整理和打包后形成所述轨道状态信息的数据流传递给通信单元2021，进而发送给中央控制单元102中的数据接入/传输单元10233。
S2.b.3.轨道控制单元1023中的多个单位信息采集/控制输出单元10232对所述轨道状态信息分类和打包后传递给轨道控制单元1023中的数据逻辑运算单元10231；
S2.b.4-S2.b.5数据逻辑运算单元10231接收来自单位信息采集/控制输出单元10232的与所述轨道状态信息相关的数据，包括轨旁设备的信息和状态数据，经统一分析整理、缓冲、存储和逻辑运算并分类打包形成所述轨道状态信息，传递给核心数据处理单元1022。
如图7所示，上述步骤S2中获取车辆信息的步骤进一步包括：
S2.a.1.列车进入该无线通信接入点覆盖区后通过所述无线通信接入点与中央控制单元102的无线通信单元10242进行实时无线通信。
S2.a.2.无线通信单元10242通过所述无线通信通道获取所述列车的车辆信息并进一步传递给列车数据处理单元10241，所述列车信息包括该列车的当前位置、速度、方向、列车状态和告警信息等。
S2.a.3.列车数据处理单元10241对所述车辆信息进行缓冲存储、分类打包.
S2.a.4.将所述车辆信息发送给核心数据处理单元1022。
如图9所示，所述步骤S3中执行所述列车控制命令的步骤进一步包括：
S3.1.列车数据处理单元10241对所述列车控制命令进行数据校验和排列后传递至无线通信单元10242。
S3.2.无线通信单元10242接入所述无线通信覆盖区将所述列车控制命令发送至相应的所述列车。
S3.3.所述列车根据所述列车控制命令改变其工作状态，例如例如例如道岔转换，减速至零、开启车门（到站），或者关闭车门、启动加速（出站）等。
如图10所示，步骤S4中执行所述列车控制命令的步骤进一步包括：
S4.1.数据逻辑运算单元10231对来自核心数据处理单元1022的所述轨道控制命令按照不同轨道进行存储、缓冲、校验和分类后发送至单位信息采集/控制输出单元10232。
S4.2.单位信息采集/控制输出单元10232对所述轨道控制命令针对不同列车进行分类和打包后传递给数据接入/传输单元10233。
S4.3.数据接入/传输单元10233通过所述有线通信通道发送至轨旁电子控制单元202。
S4.4轨旁电子控制单元202根据所述轨道控制命令改变轨旁设备的工作状态，例如出站及进路色灯复示信号机显示信号，屏蔽门开启或关闭等。
本发明的控制中心10与多个车站级控制单元20通信连接，所述中心级列车监控单元101可同时控制多个车站多条线路上列车及轨旁设备的工作状态。
本发明的轨道交通信息化中央控制系统的控制方法中，所述中央控制单元102还包括连接到所述核心数据处理单元1022的维护诊断单元（未示出），所述方法包括：
由所述维护诊断单元记录并实时存储所述轨道状态信息，并监测所述中央控制单元中各单元的工作状态，若某个单元发生故障，则立即输出控制切换指令至相应的单元，并记录和输出相关的告警信息。
本发明的轨道交通信息化中央控制系统通过优化网络结构，提高核心运算单元设备的数据处理能力，实现信号核心控制设备的中央设置的构成方式，以光缆作为长距离通信通道，利用光电转换技术实现中央设备与轨旁目标控制单元的数据通信，利用安装在现场的目标控制器实现轨旁设备的控制和状态监视，实现信号设备真正意义上的中央控制，通过光通信网络的自检测功能，实现网络实时监督。
本发明将光网络信息技术、高运算量高可靠性安全处理器系统通过适应性改进，使其满足信息系统的应用需求，构成新技术信息系统；采用光纤通信技术实现信息传输、降低能耗、闭环检测，增加信息系统新功能；采用高度集成中央的设备制造新型工艺技术，实现降低制造及维护成本；由于整条轨道交通线路只设一个中央级信号设备室，完成对全线轨旁设备的监控，取消了原各站内的信号设备和信号设备室，使整体土建设备面积可以减少25%，大大节约了工程投资成本和降低了设计复杂程度，提高了信息系统的可维护性，节能减排，提高维修效率；信息系统设备高度集成，便于信息系统的维护，减少了维护成本，提高可用性，维修人员和维修时间可以减少50%；信息系统核心设备数量较少，并进行中央配置，简化了全线的系统结构设计，大大降低了设计复杂程度，简洁了设备构成，改善安全完整度和可靠性；轨旁电子控制单元采用集成设计，配置灵活，易于工程延伸扩展，降低工程建设风险。
应当理解的是，上述实施例仅用于对本发明的解释说明，并不用于限制本发明，本发明的保护范围并不局限于此，在不偏离本发明构思的条件下，对以上各构件所做的变形、替换等均将落入本发明的权利要求范围内。

Claims (12)

  1. 一种轨道交通信息化中央控制系统，其特征在于，包括：
    控制中心以及通过通信网络与所述控制中心通信连接的一个或多个车站级控制单元；
    所述控制中心包括：中心级列车监控单元和与所述中心级列车监控单元连接的中央控制单元，其中，所述中央控制单元包括核心数据处理单元以及分别与所述核心数据处理单元相连接的控显单元、轨道控制单元和列车控制单元；
    所述中心级列车监控单元用于实现列车运行监督、列车运行调整、临时限速设置、列车进路办理和列车时刻表编制及运行，并产生控制指令发送给所述控显单元；
    所述核心数据处理单元用于分别接收来自于所述控显单元的所述控制指令、并同时接收所述列车控制单元通过无线通信通道所获取的全线列车的车辆信息、以及接收所述轨道控制单元通过有线通信所获取的表示轨道占用或空闲状态的轨道状态信息，所述核心数据处理单元还用于根据所述控制指令、所述车辆信息以及所述轨道状态信息进行集中数据处理，产生轨道控制命令和列车控制命令，并将更新的所述轨道状态信息及所述车辆信息传递给所述控显单元并显示；
    所述列车控制单元用于将所述列车控制命令经所述无线通信通道发送至相应的列车，指示所述列车执行所述列车控制命令，实现对所述列车的控制；
    所述轨道控制单元用于将所述轨道控制命令通过所述有线通信通道发送至所述车站级控制单元内的轨旁电子控制单元，进而控制与所述轨旁电子控制单元相连接的所述轨旁设备的工作状态。
  2. 根据权利要求1所述的轨道交通信息化中央控制系统，其特征在于，所述列车控制单元，包括：
    无线通信单元，用于实现所述中央控制单元与所述列车的实时通信；
    列车数据处理单元，连接所述核心数据处理单元，用于获得由所述核心数据处理单元输出的所述列车控制命令，并通过所述无线通信单元接收来自全线列车的所述车辆信息，并进行缓冲存储、分类打包，将所述车辆信息输出，并将来自所述核心数据处理单元的所述列车控制命令，经过数据校验和排列后经所述无线通信单元发送至所述列车，实现对所述列车的控制。
  3. 根据权利要求2所述的轨道交通信息化中央控制系统，其特征在于，所述轨道控制单元包括：
    数据接入/传输单元，用于通过所述有线通信通道接收来自所述轨旁电子控制单元的所述轨道状态信息的数据流进行分类汇总，并与一个或多个单位信息采集/控制输出单元进行数据交互获得所述轨道控制命令，对所述轨道控制命令进行分类编组后通过所述有线通信通道将所述轨道控制命令发送给所述轨旁电子控制单元；
    所述单位信息采集/控制输出单元，用于与所述数据接入/传输单元进行数据交互获得由所述数据接入/传输单元分类汇总的所述轨道状态信息的数据流，并进行打包汇总传递至数据逻辑运算单元，并获取来自所述数据逻辑运算单元的所述轨道控制命令，进行分类打包后传递给所述数据接入/传输单元；
    所述数据逻辑运算单元，分别与所述单位信息采集/控制输出单元及核心数据处理单元相连接，用于获取来自所述核心数据处理单元的所述轨道控制命令及来自所述单位信息采集/控制单元的所述轨道状态信息的数据流，并对所述轨道状态信息的数据流进行处理形成所述轨道状态信息，所述处理包括分析整理、缓冲、存储和逻辑运算，将所述轨道状态信息打包后传递给所述核心数据处理单元。
  4. 根据权利要求3所述的轨道交通信息化中央控制系统，其特征在于，所述轨旁电子控制单元，包括顺次连接的通信单元、数据处理单元、输入/输出单元、接口单元，其中，
    所述通信单元用于将所述轨道状态信息通过光纤网络以波分复用的方式承载，在所述轨旁电子控制单元和所述中央控制单元间提供光传输通道；
    所述数据处理单元包括光电转换传输单元，用于经所述通信单元接收来自所述轨道控制单元的所述轨道控制命令；
    所述输入/输出单元用于接收来自所述数据处理单元的所述轨道控制命令，经过分解和分类后，将所述轨道控制命令输出至所述接口单元；
    所述接口单元为所述轨旁设备提供连接接口。
  5. 根据权利要求4所述的轨道交通信息化中央控制系统，其特征在于，所述有线通信通道通过全线铺设的光缆搭建环型冗余骨干网，所述车站级控制单元还包括电源设备，通过电源电缆与所述轨旁电子控制单元连接，为室外的所述轨旁设备提供稳压电源；
    所述轨旁电子控制单元通过电源电缆连接到电源分配箱，用于获取稳压电源，所述控制中心还包括电源屏及UPS，用于为所述中央控制单元及中心级列车监控单元供电。
  6. 根据权利要求5所述的轨道交通信息化中央控制系统，其特征在于， 所述中央控制单元还包括连接到所述核心数据处理单元的维护诊断单元，用于通过总线与所述核心数据处理单元连接，负责记录和实时存储所述轨道状态信息，并监测所述中央控制单元的工作状态，并记录和/或输出告警信息。
  7. 一种轨道交通信息化中央控制系统的控制方法，其特征在于，所述系统包括控制中心以及通过通信网络与所述控制中心通信连接的多个车站级控制单元，所述控制中心包括：中心级列车监控单元和与所述中心级列车监控单元连接的中央控制单元，其中，所述中央控制单元包括核心数据处理单元以及分别与所述核心数据处理单元相连接的控显单元、轨道控制单元和列车控制单元；所述方法包括：
    所述中心级列车监控单元实时进行列车运行监督、列车运行调整、临时限速设置、列车进路办理和列车时刻表编制及运行，并产生控制指令发送给所述控显单元；
    所述核心数据处理单元分别接收来自于所述控显单元的所述控制指令、并同时接收所述列车控制单元通过无线通信通道所获取全线列车的车辆信息、以及接收所述轨道控制单元通过有线通信所获取的表示轨道占用或空闲的状态的轨道状态信息，所述核心数据处理单元根据所述控制指令、所述车辆信息以及所述轨道状态信息进行集中数据处理，产生轨道控制命令和列车控制命令，并将更新的所述轨道状态信息及所述车辆信息传递给所述控显单元并显示；
    所述列车控制单元将所述列车控制命令发送至相应的列车，指示所述列车执行所述列车控制命令，实现对所述列车的控制；
    所述轨道控制单元将所述轨道控制命令通过所述有线通信通道发送至所述车站级控制单元内的轨旁电子控制单元，进而控制与所述轨旁电子控制单元的轨旁设备的工作状态。
  8. 根据权利要求7所述的轨道交通信息化中央控制系统的控制方法，其特征在于，所述列车控制单元包括无线通信单元和列车数据处理单元，所述列车控制单元通过所述无线通信通道获取全线列车的所述车辆信息并实现对所述列车的控制，具体包括如下步骤：
    所述列车数据处理单元通过所述无线通信单元与指定的列车进行实时通信，获得由所述核心数据处理单元输出的所述列车控制命令，并通过所述无线通信单元接收来自全线列车的所述车辆信息，并进行缓冲存储、分类打包，将所述车辆信息输出，并将来自所述核心数据处理单元的所述列车控制命令，经过数据校验和排列后经所述无线通信单元发送至所述列车，实现对所述列车的控制。
  9. 根据权利要求8所述的轨道交通信息化中央控制系统的控制方法，其特征在于，所述轨道控制单元包括数据接入/传输单元，一个或多个单位信息采集/控制输出单元，数据逻辑运算单元，所述轨道控制单元通过所述有线通信通所获取的轨道状态信息和控制所述轨旁设备具体包括如下步骤：
    所述数据接入/传输单元通过所述有线通信通道接收来自所述轨旁电子控制单元的所述轨道状态信息的数据流进行分类汇总，并与单位信息采集/控制输出单元进行数据交互获得所述轨道控制命令，对所述轨道控制命令进行分类编组后通过所述有线通信通道将所述轨道控制命令发送给所述轨旁电子控制单元；
    一个或多个所述单位信息采集/控制输出单元与所述数据接入/传输单元进行数据交互获得由所述数据接入/传输单元分类汇总的所述轨道状态信息的数据流，并进行打包汇总传递至所述数据逻辑运算单元，并获取来自所述数据逻辑运算单元的所述轨道控制命令，进行分类打包后传递给所述数据接入/传输单元；
    所述数据逻辑运算单元获取来自所述核心数据处理单元的所述轨道控制命令及来自所述单位信息采集/控制单元的所述轨道状态信息的数据流，并对所述轨道状态信息的数据流进行处理形成所述轨道状态信息，所述处理包括分析整理、缓冲、存储和逻辑运算，将所述轨道状态信息打包后传递给所述核心数据处理单元。
  10. 根据权利要求7所述的轨道交通信息化中央控制系统的控制方法，其特征在于，所述轨旁电子控制单元包括顺次连接的通信单元、数据处理单元、输入/输出单元、接口单元，在接收所述轨道控制命令时，所述数据处理单元内置的光电转换单元通过所述通信单元经所述有线通信通道接收所述轨道控制命令，进行安全逻辑运算、比较、分析和处理后，输出相应的所述轨道控制命令至所述输入/输出单元，经过分解和分类后，将所述轨道控制命令输出至所述接口单元，进而控制连接在所述接口单元上的所述轨旁设备的工作状态。
  11. 根据权利要求7所述的轨道交通信息化中央控制系统的控制方法，其特征在于，所述车站级控制单元设置车站级列车监控单元，所述控制方法还包括：
    由所述车站级列车监控单元连接到所述有线通信通道，实时获取并显示所在车站区域内的所述轨道状态信息。
  12. 根据权利要求7-11任一所述的轨道交通信息化中央控制系统的控制方法，其特征在于，所述中央控制单元还包括连接到所述核心数据处理单元的维护诊断单元，所述方法包括：
    由所述维护诊断单元记录并实时存储所述轨道状态信息，并监测所述中央控制单元的工作状态，并记录和/或输出相关的告警信息。
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