CN114407972B - Switching method and system for suburban railway vehicle-mounted equipment - Google Patents
Switching method and system for suburban railway vehicle-mounted equipment Download PDFInfo
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- CN114407972B CN114407972B CN202111627095.6A CN202111627095A CN114407972B CN 114407972 B CN114407972 B CN 114407972B CN 202111627095 A CN202111627095 A CN 202111627095A CN 114407972 B CN114407972 B CN 114407972B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
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- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention provides a switching method and a switching system for suburban railway vehicle-mounted equipment, wherein the method comprises the following steps: determining a switching instruction received by a switching circuit; according to the switching instruction, the switching circuit or the switching module is controlled to cancel the control right of the first vehicle-mounted equipment in the control state and switch the control right to the second vehicle-mounted equipment in the standby control state so as to control the train to run on the suburban railway by the second vehicle-mounted equipment; the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device. The system performs the method. Aiming at the difficulties existing in switching the vehicle-mounted equipment of the urban railway train control system, the invention provides a novel urban railway vehicle-mounted equipment switching method, the function of automatic switching of the vehicle-mounted equipment without stopping is realized by utilizing the mutual coordination of a switching circuit and a switching module, and the invention has the characteristics of small maintenance workload, convenient construction, small occupied space and the like, and meets the operation requirements of the urban railway.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a switching method and system of suburban railway vehicle-mounted equipment.
Background
The urban (suburban) railway is a rapid passenger rail transportation system which is used for serving the rapid travel from the central urban area to the peripheral groups (suburban area, newcastle, satellite city and the like) or among the peripheral groups in the urban area, and can take account of the rapid travel in the central urban area, adopts a transportation organization mode of high density, small grouping and public transportation, and bears the long-distance transportation of passengers in the urban area range mainly including commuting passenger flow.
The urban railway has the requirement of interconnection and intercommunication with a train control technology CBTC line and a train control system CTCS-2 (C2 for short) line based on wireless communication, so that the vehicle-mounted equipment of the urban railway train control system needs to be compatible with CBTC ground equipment and CTCS-2 ground equipment, and currently, a double-set vehicle-mounted equipment switching scheme is generally adopted to meet the compatibility of two different ground equipment, so that the problem of how to realize automatic switching without stopping is needed to be solved.
Disclosure of Invention
The switching method and the switching system for the suburban railway vehicle-mounted equipment are used for solving the problems in the prior art, and the novel switching method for the suburban railway vehicle-mounted equipment is provided, so that the function of automatic switching of the vehicle-mounted equipment without stopping is realized by mutually matching a switching circuit and a switching module, and the switching method and the switching system for the suburban railway vehicle-mounted equipment have the characteristics of small maintenance workload, convenience in construction, small occupied space and the like, and meet the operation requirements of the suburban railway.
The invention provides a switching method of suburban railway vehicle-mounted equipment, which comprises the following steps:
determining a switching instruction received by a switching circuit;
According to the switching instruction, controlling the switching circuit or the switching module to cancel the control right of the first vehicle-mounted equipment in the control state and switching the control right to the second vehicle-mounted equipment in the standby control state so as to control the train to run on a suburban railway by the second vehicle-mounted equipment;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
According to the switching method of the suburban railway vehicle-mounted equipment provided by the invention, the switching instruction received by the switching circuit is determined, and the switching instruction comprises the following steps:
And determining a switching instruction received by the switching mode circuit according to the line type of the suburban railway.
According to the switching method of the suburban railway vehicle-mounted equipment provided by the invention, the switching instruction received by the switching circuit is determined according to the line type of the suburban railway, and the switching instruction comprises the following steps:
If the line type is a CBTC line, determining a switching instruction according to CBTC ground equipment or a first switching instruction sent manually;
If the line type is CTCS-2 line, determining the switching instruction according to CTCS-2 ground equipment or a second manually transmitted switching instruction.
According to the switching method of the suburban railway vehicle-mounted equipment provided by the invention, the switching circuit or the switching module is controlled to cancel the vehicle control right of the first vehicle-mounted equipment in the vehicle control state according to the switching instruction, and the switching method comprises the following steps:
According to the switching instruction, the switching circuit is controlled to disconnect the communication connection between the first vehicle-mounted equipment and the train so as to cancel the control right of the first vehicle-mounted equipment; or alternatively
According to the contact state of the switching relay sent by the switching circuit and acquired by the switching module, sending the switching instruction to the switching module so as to control the switching module to disconnect the communication connection between the first vehicle-mounted equipment and the train control and management system TCMS according to the switching instruction and withdraw the control right of the first vehicle-mounted equipment;
Wherein the contact status of the switching relay indicates that neither the first onboard device nor the second onboard device is communicatively connected to the train.
According to the switching method of the suburban railway vehicle-mounted equipment provided by the invention, the switching circuit or the switching module is controlled to switch the control right to the second vehicle-mounted equipment in the standby control state according to the switching instruction, and the switching method comprises the following steps:
according to the switching instruction, the switching circuit is controlled to establish communication connection between the second vehicle-mounted equipment and the train so as to send the control right to the second vehicle-mounted equipment; or alternatively
According to the contact state of the switching relay sent by the switching circuit and acquired by the switching module, sending the switching instruction to the switching module so as to control the switching module to establish communication connection between the second vehicle-mounted equipment and a train control and management system TCMS according to the switching instruction, and sending the control right to the second vehicle-mounted equipment;
Wherein the contact status of the switching relay indicates that neither the first onboard device nor the second onboard device is communicatively connected to the train.
According to the switching method of suburban railway vehicle-mounted equipment, the first vehicle-mounted equipment is CBTC vehicle-mounted equipment or CTCS-2 vehicle-mounted equipment; the second vehicle-mounted device is specifically the CBTC vehicle-mounted device or the CTCS-2 vehicle-mounted device.
The invention also provides a switching system of suburban railway vehicle-mounted equipment, which comprises: a determining module and a control module;
The determining module is used for determining the switching instruction received by the switching circuit;
The control module is used for controlling the switching circuit or the switching module to cancel the control right of the first vehicle-mounted equipment in the control state and switch the control right to the second vehicle-mounted equipment in the standby control state according to the switching instruction so as to control the train to run on suburban railways by the second vehicle-mounted equipment;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, the processor implementing the steps of the suburban railway vehicle-mounted device switching method as described in any of the above when executing the program.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the suburban railway vehicle switching method as described in any of the above.
The invention also provides a computer program product comprising a computer program which when executed by a processor carries out the steps of a method for switching a suburban railway vehicle installation as described in any of the above.
The switching method and the switching system for the suburban railway vehicle-mounted equipment provided by the invention aim at the difficulty in switching the vehicle-mounted equipment of the urban railway train control system, and provide a novel switching method for the urban railway vehicle-mounted equipment, the switching circuit and the switching module are mutually matched to realize the function of automatic switching of the vehicle-mounted equipment without stopping, and the switching system has the characteristics of small maintenance workload, convenience in construction, small occupied space and the like, and meets the operation requirements of the urban railway.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a switching method of suburban railway vehicle-mounted equipment provided by the invention;
fig. 2 is one of schematic structural diagrams of communication connection between the vehicle-mounted device and the train;
FIG. 3 is a second schematic flow chart of the switching method of the suburban railway vehicle-mounted equipment provided by the invention;
FIG. 4 is a second schematic diagram of a communication connection between the vehicle-mounted device and the train;
FIG. 5 is a third schematic diagram of the communication connection between the vehicle-mounted device and the train;
fig. 6 is a schematic structural diagram of a switching module according to the present invention for collecting a switching command;
Fig. 7 is a schematic diagram of the switching system of suburban railway vehicle-mounted equipment provided by the invention;
Fig. 8 is a schematic diagram of the physical structure of the electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a flow chart of a switching method of suburban railway vehicle-mounted equipment, as shown in fig. 1, the method includes:
s1, determining a switching instruction received by a switching circuit;
S2, according to the switching instruction, controlling a switching circuit or a switching module to cancel the control right of the first vehicle-mounted equipment in the control state and switching the control right to the second vehicle-mounted equipment in the standby control state so as to control the train to run on the suburban railway by the second vehicle-mounted equipment;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
It should be noted that, the execution subject of the above method may be a computer device.
Optionally, determining a switching instruction received by the switching circuit, where the switching instruction is typically issued by the vehicle-mounted device; after the switching circuit is determined to receive the switching instruction, according to the switching instruction, the switching circuit or the switching module is controlled to cancel the control right of the first vehicle-mounted device in the control state, and the control right is switched to the second vehicle-mounted device in the standby control state, so that the second vehicle-mounted device controls the train to run on the suburban railway.
As shown in fig. 2, the vehicle-mounted equipment and the train are in communication connection through an electrical interface, after the switching circuit receives a switching instruction, the switching circuit or the switching module is controlled to complete switching of the control right of the first vehicle-mounted equipment in a control state to the control right of the second vehicle-mounted equipment in a standby control state, and the second vehicle-mounted equipment is controlled to traction and braking of the train.
Or the vehicle-mounted equipment is in communication connection with the train control and management system TCMS through a communication interface, after the switching circuit receives the switching instruction, the switching circuit or the switching module is controlled to complete the switching of the control right of the first vehicle-mounted equipment in the control state to the control right of the second vehicle-mounted equipment in the standby control state, the second vehicle-mounted equipment is used for controlling the traction braking of the train, and particularly, the information interaction between the train and the second vehicle-mounted equipment is carried out according to the TCMS, so that the control of the traction braking of the train by the second vehicle-mounted equipment is realized.
The switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
The switching method of the suburban railway vehicle-mounted equipment provided by the invention aims at the difficulties existing in switching the suburban railway vehicle-mounted equipment of a train control system in a city domain, provides a novel switching method of the urban railway vehicle-mounted equipment, realizes the function of automatic switching of the vehicle-mounted equipment without stopping by utilizing the mutual cooperation of a switching circuit and a switching module, has the characteristics of small maintenance workload, convenience in construction, small occupied space and the like, and meets the operation requirements of the railways in the city domain.
Further, in one embodiment, step S1 may specifically include:
s11, determining a switching instruction received by a switching circuit according to the line type of the suburban railway.
Optionally, when the train is running on suburban railway of different types of lines, in order to adapt to different line conditions, it is necessary to switch different on-board devices to complete the control of the traction braking of the train, in particular:
by analysing the line type of the suburban railway it is determined which vehicle device is sending a switching instruction to the switching circuit.
According to the switching method of the suburban railway vehicle-mounted equipment, different switching instructions are sent to the switching circuit based on different lines of the suburban railway, and the switching instructions control the switching circuit or the switching module to finish control switching of traction braking of different vehicle-mounted equipment on a train, so that the operation requirement of the suburban railway can be met.
Further, in one embodiment, step S11 may specifically include:
s111, if the line type is a CBTC line, determining a switching instruction according to CBTC ground equipment or a first switching instruction sent manually;
S112, if the line type is the CTCS-2 line, determining a switching instruction according to the CTCS-2 ground equipment or a second manually transmitted switching instruction.
Optionally, analyzing the line type of the suburban railway, if the train runs to the CTBC line at the moment, uploading the first switching instruction to the switching circuit by CBTC ground equipment such as a ground transponder or manually to determine the switching instruction received by the switching circuit; if the train is running on the CTCS-2 line at this time, the first switching instruction is uploaded to the switching circuit by the CTCS-2 ground equipment such as a ground transponder or manually to determine the switching instruction received by the switching circuit.
According to the switching method for the suburban railway vehicle-mounted equipment, provided by the invention, the function of automatic switching of the vehicle-mounted equipment without stopping when the train runs to different lines (such as a CBTC line and a CTCS-2 line) is realized by using the switching circuit or the switching module, and the switching method has the characteristics of small maintenance workload, convenience in construction, small occupied space and the like, and meets the operation requirements of the suburban railway.
Further, in one embodiment, in step S2, according to the switching instruction, the controlling the switching circuit or the switching module to revoke the control right of the first vehicle device in the control state may specifically include:
S21, according to a switching instruction, the switching circuit is controlled to disconnect communication connection between the first vehicle-mounted equipment and the train so as to cancel the control right of the first vehicle-mounted equipment; or alternatively
S22, according to the contact state of the switching relay sent by the switching circuit and acquired by the switching module, sending a switching instruction to the switching module so as to control the switching module to disconnect the communication connection between the first vehicle-mounted equipment and the train control and management system TCMS according to the switching instruction, and cancel the control right of the first vehicle-mounted equipment;
Wherein the contact status of the switching relay indicates that neither the first on-board device nor the second on-board device is communicatively connected to the train.
Optionally, according to the switching instruction, the switching circuit is controlled to disconnect the communication connection between the first vehicle-mounted device in the vehicle control state and the train so as to revoke the vehicle control right of the first vehicle-mounted device, specifically:
The switching circuit is connected with an input interface (such as safe input and unsafe input) of the first vehicle-mounted device, an output interface (such as safe output and unsafe output) of the first vehicle-mounted device and an input interface (such as safe input and unsafe input) of the second vehicle-mounted device or an output interface (such as safe output and unsafe output) of the second vehicle-mounted device, the first vehicle-mounted device and the second vehicle-mounted device always acquire train states, and the train states acquired by the first vehicle-mounted device or the second vehicle-mounted device are interacted with a train through an electrical interface by the switching circuit; to ensure that the first and second vehicle-mounted devices have sufficient information to output the control commands.
When the first vehicle-mounted equipment has the control right, the switching circuit is controlled according to the switching instruction received by the switching circuit, the connection with the output interface of the first vehicle-mounted equipment is disconnected, and the connection with the connection between the train electrical equipment interface is disconnected, so that the control right of the first vehicle-mounted equipment is cancelled.
Or if the contact state of the switching relay sent by the switching circuit acquired by the switching module is that the first vehicle-mounted equipment and the second vehicle-mounted equipment are not connected with the train through the switching circuit, the vehicle-mounted equipment is indicated to communicate with the train control and management system TCMS through the switching module at the moment so as to control the traction braking of the train, and the switching module is controlled to disconnect the communication connection between the first vehicle-mounted equipment and the TCMS according to the switching instruction by sending the switching instruction to the switching module so as to cancel the control right of the first vehicle-mounted equipment.
In order to ensure driving safety, the vehicle-mounted device may drive the switching relay contact to act according to the received switching instruction to complete output switching of the first vehicle-mounted device and the second vehicle-mounted device. The switching relay can be driven by the first vehicle-mounted equipment or the second vehicle-mounted equipment, and can be selected according to actual requirements. The first vehicle-mounted equipment and the second vehicle-mounted equipment are required to acquire the contact state of the switching relay, so that the relay contact is ensured to act according to the driving instruction, otherwise, switching failure is judged, and safety measures are taken to apply emergency braking.
According to the switching method of the suburban railway vehicle-mounted equipment, after the switching circuit receives the switching instruction, the switching circuit is controlled to disconnect the communication connection between the first vehicle-mounted equipment and the train, or the switching module is controlled to disconnect the communication connection between the first vehicle-mounted equipment and the TCMS to cancel the vehicle control right of the first vehicle-mounted equipment, so that a foundation is laid for the subsequent switching of the vehicle control right of the first vehicle-mounted equipment.
Further, in one embodiment, in step S2, according to the switching instruction, the control switching circuit or the switching module switches the control right to the second vehicle device in the standby control state may specifically include:
S23, controlling a switching circuit to establish communication connection between the second vehicle-mounted equipment and the train according to the switching instruction so as to send the control right to the second vehicle-mounted equipment; or alternatively
S24, according to the contact state of the switching relay sent by the switching circuit and acquired by the switching module, sending a switching instruction to the switching module so as to control the switching module to establish communication connection between the second vehicle-mounted equipment and the train control and management system TCMS according to the switching instruction, and sending the control right to the second vehicle-mounted equipment;
Wherein the contact status of the switching relay indicates that neither the first on-board device nor the second on-board device is communicatively connected to the train.
Optionally, when the automatic switching of the vehicle-mounted device is realized according to the switching circuit, the switching circuit is controlled according to the switching instruction received by the switching circuit, the connection with the output interface of the first vehicle-mounted device is disconnected, and after the connection with the electrical interface of the train is disconnected, the switching circuit is controlled according to the switching instruction, the communication connection between the second vehicle-mounted device and the train is established, the train state acquired by the second vehicle-mounted device is forwarded to the train by the switching circuit, and the received train control instruction of the train is forwarded to the second vehicle-mounted device, so that the train control right is sent to the second vehicle-mounted device, and the control of the train traction braking by the second vehicle-mounted device is realized.
If the contact state of the switching relay sent by the switching circuit acquired by the switching module is that the first vehicle-mounted device and the second vehicle-mounted device are not connected with the train through the switching circuit, the vehicle-mounted device is indicated to communicate with the TCMS through the switching module at the moment so as to realize control of traction braking of the train, at the moment, after the switching module is controlled to disconnect the connection between the first vehicle-mounted device and the TCMS communication interface and withdraw the control right of the first vehicle-mounted device, the switching module is controlled to establish communication connection with the output interface of the second vehicle-mounted device and connection with the TCMS, the switching module forwards the train state acquired by the second vehicle-mounted device to the TCMS, and forwards a received train control instruction of the TCMS to the second vehicle-mounted device so as to send the control right to the second vehicle-mounted device and realize control of traction braking of the train by the second vehicle-mounted device.
According to the switching method of the suburban railway vehicle-mounted equipment, the communication connection between the second vehicle-mounted equipment and the train or the TCMS is established through the switching circuit or the switching module while the control right of the first vehicle-mounted equipment is cancelled, so that the function of automatic switching without stopping is realized, and the operation requirement of the suburban railway is met.
Further, in one embodiment, the first vehicle-mounted device is specifically a CBTC vehicle-mounted device or a CTCS-2 vehicle-mounted device; the second vehicle-mounted device is specifically a CBTC vehicle-mounted device or a CTCS-2 vehicle-mounted device.
Optionally, the first vehicle-mounted device is specifically a CBTC vehicle-mounted device or a CTCS-2 vehicle-mounted device; the second vehicle-mounted device is specifically CBTC vehicle-mounted device or CTCS-2 vehicle-mounted device, and the switching method of suburban railway vehicle-mounted device provided by the invention is described below by taking the first vehicle-mounted device as CBTC vehicle-mounted device and the second vehicle-mounted device as CTCS-2 vehicle-mounted device as an example:
as shown in fig. 3, the switching circuit is adopted to realize the electrical interfaces of the CBTC vehicle-mounted equipment and the CTCS-2 vehicle-mounted equipment and the train, or the switching module is adopted to realize the switching of the communication interfaces between the CBTC vehicle-mounted equipment and the CTCS-2 vehicle-mounted equipment and the TCMS, specifically as follows:
The safety input and the non-safety input of the vehicle-mounted equipment (CTBC vehicle-mounted equipment and CTCS-2 vehicle-mounted equipment) are not switched, the CBTC vehicle-mounted equipment and the CTCS-2 vehicle-mounted equipment always acquire train states, and the vehicle-mounted equipment is ensured to have enough information output control instructions.
The switching circuit collects the safe output and the unsafe output of the CBTC and the CTCS-2, carries out logic processing on the output signals according to the switching command, and generates correct signals to be output to the vehicle, in particular:
a relay is connected in series in the train electrical interface, and a switching circuit is mounted to realize switching between the vehicle-mounted equipment and the train electrical interface. The ground equipment such as a ground transponder corresponding to the vehicle-mounted equipment is adopted to provide a zone bit for the vehicle-mounted equipment, and the vehicle-mounted equipment drives the switching relay to act according to the ground transponder command so as to control the switching logic.
The communication connection between the vehicle-mounted equipment and the train is specifically shown in fig. 4 and 5, and an input interface (comprising CBTC safety input and CBTC non-safety input) of the CBTC vehicle-mounted equipment and an input interface (comprising CBTC safety input and CBTC non-safety input) of the CTCS-2 vehicle-mounted equipment are connected with a vehicle relay arranged in an electrical appliance interface of the train; the output interface (comprising CBTC safe output and CBTC unsafe output) of the CBTC vehicle-mounted equipment or the output interface (comprising CTCS-2 safe output and CTCS-2 unsafe output) of the CTCS-2 vehicle-mounted equipment is connected with a vehicle through a switching relay contact, after a switching circuit receives a switching instruction, communication connection between the vehicle-mounted equipment output interface and a train is established through closing a switching relay corresponding to the CTBC vehicle-mounted equipment or the CTCS-2 vehicle-mounted equipment, wherein the vehicle-mounted equipment output interface is connected with an electrical appliance interface relay through a signal relay (for example, the safe output is composed of three safe relay combination logics, and the unsafe output is composed of one signal relay).
The CBTC vehicle-mounted equipment collects the states of a door control switch position, an overhaul button state, a cab activation end, train integrity, door closing and locking information, cut-off traction, emergency braking of a vehicle, implementation of maintenance braking, traction handle state, confirmation button, mode selection, AR button state, left/right door switch button instruction, mode switch EUM state, ATO starting of a train automatic operation system and the like of the train, calculates a driving control curve according to movement authorization and ground transponder positioning information, and sends a train control instruction to the train in combination with an ATS command of a train automatic monitoring system. The control command comprises: ATO activation, traction braking status, hold braking output, left/right switch door output, start light and analog output, jump instruction, direction instruction, emergency braking output, traction cut-off output, left/right door unlock, AR indicator light, unmanned turn-back command, etc.
The CTCS-2 on-board equipment collects the states of the train, such as the door state, ATO start button state, AR button state, gating mode, full service brake feedback, emergency brake feedback, driver's desk activation, direction signal, sleep signal, left/right door opening button action, guan Zuo/right door button action, traction handle zero position, etc. Meanwhile, a driving control curve is calculated according to data uploaded by the ground transponder and the track circuit code, and a train control instruction is sent to a train in combination with a driving plan. The control command comprises: the ATO is effective, ATO traction state output, ATO braking state output, ATO traction level output, ATO braking level output, ATO departure indicator light, turn-back indicator light, ATO holding brake release, ATO switch door output, emergency brake signal, full service brake signal, service brake level, traction cut-off, ATP cut-off, over-split phase, switch door permission, ATO permission, turn-back permission and other instructions.
The CBTC vehicle-mounted equipment transmits a train running line number, a destination station code, a next station number, a next station door opening side, a target distance, a starting distance, a door control mode, an ATO door control instruction, a traction braking instruction, a running mode, a train control state, date, time, actual speed and a full-automatic related interface to the TCMS; the TCMS transmits the weight of the train, the state of the common braking force, the slipping state, the idle state, the pressure state of the brake cylinder, the network pressure, the receiving state of the holding braking instruction, the traction braking force of the vehicle, the electric braking input proportion, the full load rate of passengers, the feedback of a broadcast test signal, the feedback of the switching value of the ATO related output, the feedback of the current value of the ATO output and the full-automatic related interface to the CBTC vehicle-mounted equipment.
The CTCS-2 vehicle-mounted equipment sends ATO valid, traction/braking command status marks, traction control quantity, braking control level, brake application maintaining command, constant speed target speed and ATO starting lamp to the TCMS; the TCMS transmits a gating pattern, ATO valid command feedback, traction/brake command status flag feedback, traction control amount feedback, designated control level feedback, ATO hold brake application command feedback, left/right door opening command feedback, constant speed feedback, door status, spin/slip, consist information, and a motor train unit enable ATO control signal to the CTCS-2 on-board equipment.
And selecting the train of the vehicle-mounted equipment to communicate according to the switching instruction received by the switching circuit, and finishing information interaction.
Or as shown in fig. 6, the switching module collects the contact state of the switching relay sent by the switching circuit to realize the input of the switching instruction, if the contact state of the switching relay collected by the switching module is "0", it indicates that the switching circuit is in an off state with the electrical interface of the train, then the switching instruction needs to be sent to the switching module through the switching circuit, and the switching module selects proper vehicle-mounted equipment to communicate with the TCMS, so as to complete the switching of the control right.
It should be noted that, the switching circuit adopts a safety computer to process the switching logic of the electrical appliance interface, so as to ensure the switching safety.
According to the switching method for the suburban railway vehicle-mounted equipment, disclosed by the invention, the switching circuit is adopted to finish the switching of the interface between the vehicle-mounted equipment and the vehicle electrical equipment while the automatic switching of the vehicle-mounted equipment is realized without stopping the vehicle, or the switching module is adopted to finish the switching of the communication interface between the vehicle-mounted equipment and the vehicle TCMS, so that the safety problem and the complicated wiring construction problem caused by adopting the relay switching circuit are avoided, and the automatic switching function of the vehicle-mounted equipment without stopping the vehicle is realized.
The suburban railway vehicle-mounted equipment switching system provided by the invention is described below, and the suburban railway vehicle-mounted equipment switching system described below and the suburban railway vehicle-mounted equipment switching method described above can be correspondingly referred to each other.
Fig. 7 is a schematic structural diagram of a switching system for suburban railway vehicle-mounted equipment, as shown in fig. 7, including:
A determination module 710 and a control module 711;
a determining module 710, configured to determine a switching instruction received by the switching circuit;
A control module 711, configured to control the switching circuit or the switching module to cancel the control right of the first vehicle-mounted device in the control state and switch the control right to the second vehicle-mounted device in the standby control state according to the switching instruction, so that the second vehicle-mounted device controls the train to run on the suburban railway;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
Aiming at the difficulties existing in switching the urban railway vehicle-mounted equipment of the urban railway train control system, the invention provides a novel urban railway vehicle-mounted equipment switching method, which utilizes the mutual cooperation of a switching circuit and a switching module to realize the function of automatic switching of the vehicle-mounted equipment without stopping, has the characteristics of small maintenance workload, convenient construction, small occupied space and the like, and meets the operation requirements of the urban railway.
Fig. 8 is a schematic physical structure of an electronic device according to the present invention, as shown in fig. 8, the electronic device may include: processor 810, communication interface (communication interface) 811, memory 812 and bus (bus) 813, wherein processor 810, communication interface 811, memory 812 complete communication with each other through bus 813. The processor 810 may call logic instructions in the memory 812 to perform the following method:
determining a switching instruction received by a switching circuit;
According to the switching instruction, the switching circuit or the switching module is controlled to cancel the control right of the first vehicle-mounted equipment in the control state and switch the control right to the second vehicle-mounted equipment in the standby control state so as to control the train to run on the suburban railway by the second vehicle-mounted equipment;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
Further, the logic instructions in the memory described above may be implemented in the form of software functional units and stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer power supply screen (which may be a personal computer, a server, or a network power supply screen, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a random-access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Further, the present invention discloses a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, are capable of executing the suburban railway vehicle-mounted device switching method provided by the above method embodiments, for example, comprising:
determining a switching instruction received by a switching circuit;
According to the switching instruction, the switching circuit or the switching module is controlled to cancel the control right of the first vehicle-mounted equipment in the control state and switch the control right to the second vehicle-mounted equipment in the standby control state so as to control the train to run on the suburban railway by the second vehicle-mounted equipment;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
In another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the suburban railway vehicle-mounted apparatus switching method provided by the above embodiments, for example, including:
determining a switching instruction received by a switching circuit;
According to the switching instruction, the switching circuit or the switching module is controlled to cancel the control right of the first vehicle-mounted equipment in the control state and switch the control right to the second vehicle-mounted equipment in the standby control state so as to control the train to run on the suburban railway by the second vehicle-mounted equipment;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
The system embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer power screen (which may be a personal computer, a server, or a network power screen, etc.) to perform the method described in the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A suburban railway vehicle-mounted equipment switching method, characterized by comprising:
determining a switching instruction received by a switching circuit;
According to the switching instruction, controlling the switching circuit or the switching module to cancel the control right of the first vehicle-mounted equipment in the control state and switching the control right to the second vehicle-mounted equipment in the standby control state so as to control the train to run on a suburban railway by the second vehicle-mounted equipment;
wherein the switching circuit and the switching module are both in communication connection with the first vehicle-mounted device and the second vehicle-mounted device, respectively;
And according to the switching instruction, controlling the switching circuit or the switching module to cancel the control right of the first vehicle-mounted equipment in the control state, including:
According to the switching instruction, the switching circuit is controlled to disconnect the communication connection between the first vehicle-mounted equipment and the train so as to cancel the control right of the first vehicle-mounted equipment; or alternatively
According to the contact state of the switching relay sent by the switching circuit and acquired by the switching module, sending the switching instruction to the switching module so as to control the switching module to disconnect the communication connection between the first vehicle-mounted equipment and the train control and management system TCMS according to the switching instruction and withdraw the control right of the first vehicle-mounted equipment;
Wherein the contact status of the switching relay indicates that neither the first onboard device nor the second onboard device is communicatively connected to the train.
2. The suburban railway vehicle-mounted equipment switching method according to claim 1, wherein the determining the switching instruction received by the switching circuit comprises:
and determining a switching instruction received by the switching module circuit according to the line type of the suburban railway.
3. The switching method of suburban railway vehicle-mounted equipment according to claim 2, wherein the determining the switching instruction received by the switching circuit according to the line type of the suburban railway comprises:
If the line type is a CBTC line, determining a switching instruction according to CBTC ground equipment or a first switching instruction sent manually;
If the line type is CTCS-2 line, determining the switching instruction according to CTCS-2 ground equipment or a second manually transmitted switching instruction.
4. The suburban railway vehicle-mounted equipment switching method according to claim 1, wherein the controlling the switching circuit or the switching module to switch the control right to the second vehicle-mounted equipment in the standby control state according to the switching instruction comprises:
according to the switching instruction, the switching circuit is controlled to establish communication connection between the second vehicle-mounted equipment and the train so as to send the control right to the second vehicle-mounted equipment; or alternatively
According to the contact state of the switching relay sent by the switching circuit and acquired by the switching module, sending the switching instruction to the switching module so as to control the switching module to establish communication connection between the second vehicle-mounted equipment and a train control and management system TCMS according to the switching instruction, and sending the control right to the second vehicle-mounted equipment;
Wherein the contact status of the switching relay indicates that neither the first onboard device nor the second onboard device is communicatively connected to the train.
5. The suburban railway vehicle-mounted equipment switching method according to any one of claims 1 to 4, characterized in that said first vehicle-mounted equipment is in particular CBTC vehicle-mounted equipment or CTCS-2 vehicle-mounted equipment; the second vehicle-mounted device is specifically the CBTC vehicle-mounted device or the CTCS-2 vehicle-mounted device.
6. A suburban railway vehicle-mounted equipment switching system, characterized by applying the suburban railway vehicle-mounted equipment switching method according to claim 1, comprising: a determining module and a control module;
The determining module is used for determining the switching instruction received by the switching circuit;
The control module is used for controlling the switching circuit or the switching module to cancel the control right of the first vehicle-mounted equipment in the control state and switch the control right to the second vehicle-mounted equipment in the standby control state according to the switching instruction so as to control the train to run on suburban railways by the second vehicle-mounted equipment;
the switching circuit and the switching module are respectively in communication connection with the first vehicle-mounted device and the second vehicle-mounted device.
7. An electronic device comprising a processor and a memory storing a computer program, characterized in that the processor, when executing the computer program, carries out the steps of the suburban railway vehicle switching method according to any of claims 1 to 5.
8. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the suburban railway vehicle switching method according to any of claims 1 to 5.
9. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, realizes the steps of the suburban railway vehicle switching method according to any of claims 1 to 5.
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| CN115285181A (en) * | 2022-08-03 | 2022-11-04 | 国能朔黄铁路发展有限责任公司 | Train control right switching method and device, storage medium and electronic equipment |
| CN117302299B (en) * | 2023-11-28 | 2024-03-15 | 北京和利时系统工程有限公司 | Method, device and storage medium for switching system of vehicle-mounted equipment of urban railway |
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| CN106915367A (en) * | 2017-01-22 | 2017-07-04 | 北京和利时系统工程有限公司 | A kind of train control system |
| CN113415314A (en) * | 2021-07-06 | 2021-09-21 | 北京全路通信信号研究设计院集团有限公司 | Method and system for switching control right of special vehicle-mounted equipment and general vehicle-mounted equipment |
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| KR20160001852A (en) * | 2014-06-27 | 2016-01-07 | 현대로템 주식회사 | ATO signaling system based ETCS |
| DE102017212109A1 (en) * | 2017-07-14 | 2019-01-17 | Siemens Aktiengesellschaft | Method for operating a rail vehicle |
| CN110920694B (en) * | 2019-11-28 | 2022-06-28 | 中国铁道科学研究院集团有限公司通信信号研究所 | A switching method for interconnection between CBTC system and CTCS system |
| CN113147835A (en) * | 2021-03-18 | 2021-07-23 | 卡斯柯信号有限公司 | Train driving mode switching method based on multi-network integrated train control system |
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| CN106915367A (en) * | 2017-01-22 | 2017-07-04 | 北京和利时系统工程有限公司 | A kind of train control system |
| CN113415314A (en) * | 2021-07-06 | 2021-09-21 | 北京全路通信信号研究设计院集团有限公司 | Method and system for switching control right of special vehicle-mounted equipment and general vehicle-mounted equipment |
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