Train route automatic control method and system applied to normal-speed railway

Abstract

A train route automatic control method applied to a normal-speed railway, comprising: acquiring train route information (S1); compiling the train route information into wireless messages (S2); sending the wireless messages to a train operation monitoring and recording apparatus (S3); verifying the validity of the wireless messages (S4); and when the wireless messages are valid, on the basis of a train number set by the LKJ train operation monitoring apparatus, selecting a correct wireless message comprising the train route information, and calling corresponding line data for control (S5). Train route control of a normal-speed railway is changed from manual operation to automatic control based on a terrestrial device providing accurate route information and a train-mounted device receiving said information, thereby improving the safety protection of train departure and arrival in a station. Further provided are a train route automatic control system applied to a normal-speed railway, an electronic device, and a computer readable storage medium.

Description

A method and system for automatic control of train routes applied to conventional railways Technical Field

[0001] The present invention belongs to the technical field of train route control, and in particular relates to a method and system for automatic train route control applied to conventional railways. Background Art

[0002] At present, the operation of conventional railway trains in China adopts a driver-dominated control mode, using "locomotive signals + LKJ train operation monitoring and recording devices" as auxiliary driving equipment. The existing LKJ train operation monitoring and recording devices pre-store line data. When selecting the siding route for receiving and dispatching trains at the station and the branch route at the line divergence point, the crew needs to select the route for control through manual input based on the vehicle-computer joint control information. There is a risk of missing or incorrect input and then retrieving incorrect on-board line data, which may lead to safety risks such as speeding, reckless advance and reckless exit.

[0003] Summary of the Invention

[0004] In view of the above problems, the present invention provides a method for automatic control of train routes applied to conventional railways, the method comprising:

[0005] Obtain train route information;

[0006] Compile train route information into wireless messages;

[0007] Sending wireless messages to the train operation monitoring and recording device;

[0008] Verify the validity of wireless messages;

[0009] When the wireless message is valid, the correct wireless message containing the train route information is filtered out according to the train number set by the LKJ train operation monitoring device, and the corresponding line data is retrieved for control.

[0010] Preferably, the train route information includes a track number and a branch line number.

[0011] Preferably, after the train route information is compiled into a wireless message, the method further includes real-time framing and verification of the wireless message.

[0012] Preferably, the validity of the wireless message is verified based on the Beidou satellite clock.

[0013] Preferably, the wireless message is transmitted in a one-way broadcast mode.

[0014] Preferably, the correct wireless message containing the train route information is screened out according to the train number set by the LKJ train operation monitoring device, and the corresponding line data is retrieved for control, including:

[0015] The wireless message is parsed to obtain the track number and branch line number in the train route information, and the line data is retrieved through the track number and branch line number for control.

[0016] The present invention also proposes a system for automatic control of train routes applied to conventional railways, the system comprising an acquisition module, a processing module, a transmission module, a first verification module, and a control module;

[0017] The acquisition module is used to obtain train route information;

[0018] The processing module is used to compile the train route information into a wireless message;

[0019] The transmission module is used to send wireless messages to the train operation monitoring and recording device;

[0020] The first verification module is used to verify the validity of the wireless message;

[0021] The control module is used to select the correct wireless message containing the train route information according to the train number set by the LKJ train operation monitoring device, and retrieve the corresponding line data for control.

[0022] Preferably, the system further comprises a second verification module;

[0023] The second verification module is used to perform real-time framing and verification on wireless messages.

[0024] Preferably, the wireless message is transmitted in a one-way broadcast mode.

[0025] Preferably, the control module is used to filter out the correct wireless message containing the train route information according to the train number set by the LKJ train operation monitoring device, and retrieve the corresponding line data for control, including:

[0026] The control module is used to parse the wireless message, obtain the track number and branch line number in the train route information, and retrieve the line data through the track number and branch line number for control.

[0027] The present invention further provides an electronic device, comprising:

[0028] processor and memory;

[0029] The processor calls the computer program stored in the memory to execute any one of the above-mentioned methods for automatic control of train routes applied to conventional railways.

[0030] The present invention also provides a computer-readable storage medium,

[0031] The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the processor is enabled to execute any one of the above-mentioned methods for automatic control of train routes applied to conventional railways.

[0032] The present invention has the following beneficial effects:

[0033] (1) The conventional railway train route control in the present invention is changed from manual operation to accurate route information provided by ground equipment, which is automatically controlled after being received by the onboard equipment, thereby improving the safety protection of train reception and departure at the station;

[0034] (2) The present invention uses a 400M wireless communication train to realize ground-to-train transmission of train route information. Compared with high-frequency band networks, the spatial propagation attenuation of 400MHz signals is small, the propagation distance is long, and the coverage range is wide, which means that the number of base stations required is small and the construction cost is low.

[0035] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0037] FIG1 shows a method diagram of automatic train route control applied to conventional railways according to an embodiment of the present invention;

[0038] FIG2 shows a system diagram of automatic train route control applied to conventional railways according to an embodiment of the present invention;

[0039] FIG3 shows a system diagram of automatic train route control applied to conventional railways according to an embodiment of the present invention;

[0040] FIG4 shows a diagram of an electronic device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0041] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that the present disclosure will be more comprehensive and complete and will fully convey the concepts of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced while omitting one or more of the specific details, or that other methods, components, devices, steps, etc. may be employed. In other cases, well-known technical solutions are not shown or described in detail to avoid obscuring various aspects of the present disclosure.

[0042] In addition, the accompanying drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. Identical reference numerals in the figures denote identical or similar parts, and thus repetitive descriptions thereof will be omitted. Some of the block diagrams shown in the accompanying drawings are functional entities that do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software, in one or more hardware units or integrated circuits, or in different networks and / or processor devices and / or microcontroller devices.

[0043] The flowcharts shown in the accompanying drawings are merely illustrative and do not necessarily include all steps. For example, some steps may be decomposed, while some steps may be combined or partially combined, so the actual execution order may change according to actual circumstances.

[0044] The terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, such that the embodiments of the application described herein can, for example, be implemented in an order other than that illustrated or described herein.

[0045] In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or submodules is not necessarily limited to those steps or submodules explicitly listed, but may include other steps or submodules not explicitly listed or inherent to such process, method, product or apparatus.

[0046] As shown in FIG1 , the present invention proposes a method for automatic control of train routes applied to conventional railways, the method comprising:

[0047] S1 obtains train route information;

[0048] The train route information includes track number and branch line number;

[0049] The branch line number is used to select the direction of line divergence, and the track number is used to select the station track.

[0050] S2 compiles the train route information into wireless messages;

[0051] After the train route information is compiled into a wireless message: it also includes real-time framing and verification of the wireless message.

[0052] Specifically, in this embodiment, the verification of the wireless message is specifically embodied in the sequence number verification and the address identifier verification;

[0053] Sequence number verification involves the sender adding a sequence number to a message, and the receiver verifying the sequence number and discarding messages with unacceptable sequence numbers. This prevents message duplication, deletion, and reordering.

[0054] The address identifier verification is that the sender adds a connection identifier to the message, and the receiver verifies the connection identifier. If it is illegal, the message is discarded.

[0055] S3 sends the wireless message to the train operation monitoring and recording device;

[0056] The transmission form of the wireless message is one-way broadcast.

[0057] S4 verifies the validity of the wireless message;

[0058] The validity of the wireless message is verified based on the Beidou satellite clock.

[0059] Beidou satellite clock verification, also known as satellite time verification, uses satellite time to synchronize the sender and receiver. The sender adds satellite time information to the message, and the receiver verifies the received clock information against its local clock information to determine whether the message has unacceptable delays.

[0060] In this embodiment, the validity of the wireless message is verified by verifying the check code of the wireless message. The check code is added to the end of the message and transmitted along with the message. The receiver verifies the check code and discards the message if the verification fails. This is used to detect sudden errors during message transmission.

[0061] When the wireless message is valid, S5 filters out the correct wireless message containing the train route information according to the train number set by the LKJ train operation monitoring device, and retrieves the corresponding line data for control.

[0062] In this embodiment, the line data is pre-stored in the LKJ train operation monitoring device, and the line data includes track information, line speed limit and other information.

[0063] According to the train number set by the LKJ train operation monitoring device, the correct wireless message containing the train route information is filtered out, and the corresponding line data is retrieved for control, including: parsing the wireless message, obtaining the track number and branch line number in the train route information, and retrieving the line data for control through the track number and branch line number.

[0064] For example, the station data server broadcasts the train route wireless messages corresponding to all trains approaching the station at a certain moment through the ground wireless communication base station. The wireless messages include: wireless message 1 (including train number K1, track number 1 and other information), wireless message 2 (including train number K2, track number 2 and other information), ..., wireless message n (including train number Kn, track number n and other information); when the K1 train enters the broadcast range of the station route information wireless message, the LKJ train operation monitoring device can receive all the above wireless messages. The LKJ train operation monitoring device filters out the wireless message 1 corresponding to the set train number K1, discards the remaining wireless messages, and then parses the wireless message 1 to obtain the track number in the route information, and controls the train by retrieving the line data pre-stored in the LKJ train operation monitoring device through the track number.

[0065] As shown in FIG2 , the present invention further proposes a system for automatic control of train routes applied to conventional railways, characterized in that the system includes an acquisition module 10 , a processing module 20 , a transmission module 30 , a first verification module 40 and a control module 50 .

[0066] The acquisition module 10 is used to obtain train route information;

[0067] The processing module 20 is used to compile the train route information into a wireless message;

[0068] The transmission module 30 is used to send wireless messages to the train operation monitoring and recording device;

[0069] The first verification module 40 is used to verify the validity of the wireless message;

[0070] The control module 50 is used to filter out the correct wireless message containing the train route information according to the train number set by the LKJ train operation monitoring device, and retrieve the corresponding line data for control.

[0071] The system further comprises a second verification module; the second verification module is used for performing real-time framing and verification on wireless messages.

[0072] As shown in FIG3 , the present invention further proposes a system for automatic train route control for the above-mentioned method and system, wherein the system includes a station interlocking system, a station data server, a ground wireless communication base station, and a train operation monitoring and recording device, wherein:

[0073] 1. Station interlocking system

[0074] The present invention adds the following functions to the existing mature interlocking system equipment:

[0075] The interlocking system of this invention not only implements the basic control functions of existing stations, but also adds an interface with a station data server to provide route information. The computer interlocking system and the station data server communicate via an Ethernet interface, transmitting station train route information to the station data server in the form of route numbers. Relay interlocking uses relay circuits to provide route information to the station data server.

[0076] 2. Station data server

[0077] The station data server has the following functions:

[0078] (1) It has the function of obtaining route information from interlocking system equipment;

[0079] (2) It has the function of real-time framing and verification of wireless messages;

[0080] (3) The station data server is capable of receiving alarm information from the ground wireless communication base station and providing the alarm information to the signal centralized monitoring system;

[0081] (4) The station data server has maintenance and diagnosis functions and is capable of providing fault and alarm information to the signal centralized monitoring system.

[0082] 3. Ground wireless communication base station

[0083] Ground wireless communication base stations have the following functions:

[0084] (1) The ground wireless communication base station has a one-way wireless broadcast function. It uses a railway-specific 400MHz frequency, with a total of four frequency points and a bandwidth of 12.5kHz. It covers the station area (three approaching and one departing). At the same time, due to the one-way broadcast method, the train-mounted equipment at the receiving end only receives information, so there is no limit on the number of receiving devices.

[0085] (2) The ground wireless communication base station has the function of sending wireless messages to the train onboard equipment in real time and in a loop;

[0086] (3) The ground wireless communication base station adopts a hardware redundant structure design, and a single system failure will not affect the normal use of the equipment;

[0087] (4) The ground wireless communication base station has monitoring and alarm functions and can provide equipment failure information to the station data server.

[0088] 4. LKJ train operation monitoring and recording device:

[0089] The following functions are added to the existing train operation monitoring and recording device:

[0090] (1) The train operation monitoring and recording device is capable of receiving route information wireless messages broadcast from the ground wireless communication base station through the vehicle-mounted antenna within the 400MHz coverage range of the ground wireless communication base station;

[0091] (2) The train operation monitoring and recording device verifies the validity of the wireless message based on the Beidou satellite clock to determine whether there is an unacceptable delay in the message;

[0092] (3) The train operation monitoring and recording device selects the correct train route information according to the current train number and retrieves the correct line data for control.

[0093] As shown in Figure 4, corresponding to the above-mentioned method for automatic train route control applied to conventional railways, the present invention also provides an electronic device. Since the embodiment of this device is similar to the above-mentioned method embodiment, the description is relatively simple. Please refer to the description of the above-mentioned method embodiment for relevant details. The device described below is only exemplary. The device may include: a processor 1, a memory 2, a communication bus (i.e., the above-mentioned device bus), and a search engine, wherein the processor 1 and the memory 2 communicate with each other via the communication bus and communicate with the outside world via a communication interface. The processor 1 can call the logic instructions in the memory 2 to execute the method for automatic train route control applied to conventional railways.

[0094] In addition, the logic instructions in the above-mentioned memory 2 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: a memory chip, a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes.

[0095] On the other hand, an embodiment of the present invention also provides a processor-readable storage medium, on which a computer program 3 is stored. When the computer program 3 is executed by the processor 1, it is implemented to execute the method of automatic control of train routes applied to conventional railways provided in the above-mentioned embodiments.

[0096] The processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor 1, including but not limited to magnetic storage (such as floppy disks, hard disks, tapes, magneto-optical disks (MO), etc.), optical storage (such as CDs, DVDs, BDs, HVDs, etc.), and semiconductor storage (such as ROMs, EPROMs, EEPROMs, non-volatile memories (NANDFLASH), solid-state drives (SSDs)), etc.

[0097] Those skilled in the art should understand that although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for automatic control of train routes applied to conventional railways, It is characterized in that The method comprises: Obtain train route information; Compile train route information into wireless messages; Sending wireless messages to a train operation monitoring and recording device; Verify the validity of wireless messages; When the wireless message is valid, the correct wireless message containing the train route information is screened out according to the train number set by the LKJ train operation monitoring device, and the corresponding line data is retrieved for control.

2. The method for automatic control of train routes applied to conventional railways according to claim 1, It is characterized in that The train route information includes the track number and the branch line number.

3. The method for automatic control of train routes applied to conventional railways according to claim 1, It is characterized in that After the train route information is compiled into a wireless message: it also includes real-time framing and verification of the wireless message.

4. The method for automatic control of train routes applied to conventional railways according to claim 1, It is characterized in that The validity of the wireless message is verified based on the Beidou satellite clock.

5. The method for automatic control of train routes applied to conventional railways according to claim 1 is characterized in that: The wireless message is transmitted in a one-way broadcast mode.

6. The method for automatic control of train routes applied to conventional railways according to claim 1, It is characterized in that According to the train number set by the LKJ train operation monitoring device, the correct wireless message containing the train route information is screened out, and the corresponding line data is retrieved for control, including: The wireless message is parsed to obtain the track number and branch line number in the train route information, and the line data is retrieved through the track number and branch line number for control.

7. A system for automatic control of train routes applied to conventional railways. It is characterized in that The system includes an acquisition module, a processing module, a transmission module, a first verification module and a control module; The acquisition module is used to acquire train route information; The processing module is used to compile the train route information into a wireless message; The transmission module is used to send the wireless message to the train operation monitoring and recording device; The first verification module is used to verify the validity of the wireless message; The control module is used to select the correct wireless message containing the train route information according to the train number set by the LKJ train operation monitoring device, and retrieve the corresponding line data for control.

8. The system for automatic train route control applied to conventional railways according to claim 7, It is characterized in that The system also includes a second verification module; The second verification module is used for real-time framing and verification of wireless messages.

9. The system for automatic control of train routes applied to conventional railways according to claim 7 is characterized in that: The wireless message is transmitted in a one-way broadcast mode.

10. The system for automatic train route control applied to conventional railways according to claim 7, It is characterized in that The control module is used to filter out the correct wireless message containing the train route information according to the train number set by the LKJ train operation monitoring device, and retrieve the corresponding line data for control, including: The control module is used to parse the wireless message, obtain the track number and branch line number in the train route information, and retrieve the line data through the track number and branch line number for control.

11. An electronic device, It is characterized in that include: Processor and memory; The processor calls the computer program stored in the memory to execute the method for automatic control of train routes applied to conventional railways according to any one of claims 1 to 6.

12. A computer-readable storage medium, It is characterized in that The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the processor is enabled to execute the method for automatic control of train routes applied to conventional railways as described in any one of claims 1 to 6.

Images