CN114475707A - Train control system capable of meeting requirement that C3 high-speed rail motor train unit operates by utilizing universal speed line in a roundabout mode - Google Patents
Train control system capable of meeting requirement that C3 high-speed rail motor train unit operates by utilizing universal speed line in a roundabout mode Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0072—On-board train data handling
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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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Abstract
A train control system meeting the requirement that a C3 high-speed rail motor train unit operates by utilizing a universal speed line in a roundabout mode is characterized in that a station data server is adopted to realize the centralized management of ground line data stations, and wireless message information is selected by a vehicle-mounted passive transponder through the serial number of the ground, so that the later-stage line data maintenance is facilitated. The railway special 400MHz frequency is adopted to send the wireless message, 4 frequency points are used in total, the frequency width is 12.5kHz, the same frequency interference among different radio stations is prevented, the operation requirement of the running speed below 200km/h is met, and the transportation organization is flexible. The temporary speed limit server has the management functions of temporary speed limit command storage, verification, deletion, splitting, setting, cancellation and the like, can set temporary speed limit in any range of intervals or stations, and meets the requirements of various operation scenes.
Description
Technical Field
The present invention relates to a train control system.
Background
The investigation shows that the main high-speed railway and peripheral ordinary speed railways in China mostly have circuitous conditions, the circuitous operation of the high-speed railway motor train unit by means of the ordinary speed railway can be considered in an emergency period, and the influence of the high-speed railway infrastructure faults or emergencies on the high-speed railway transportation order is reduced.
As the train operation monitoring device (LKJ) is arranged as a backup in the motor train unit train with the train control vehicle-mounted device of C2 grade ATP, the LKJ device can be used for monitoring operation according to CTCS-0 grade standard when the motor train unit train operates at a common speed line. When a motor train unit train with C3-grade ATP as train control onboard equipment runs on a normal-speed line according to the current configuration, because no backup LKJ is available, the C3-grade ATP can only run according to a visual mode due to the lack of line basic data and temporary speed limit command information, and the maximum running speed is only 40 km/h. In view of this, it is necessary to research a technical scheme and a key technology of a C3 high-speed rail motor train unit running by utilizing a universal speed line to meet the requirement of the C3 high-speed rail motor train unit on safe operation across the universal speed line.
1) Technical scheme of prior art
The first scheme is as follows: the C3 high-speed rail motor train unit roundabout normal speed line runs according to a visual mode, and the maximum running speed of the visual mode is 40 km/h.
Scheme II: the technical scheme of the CTCS-1-level train control system is adopted to realize the roundabout and common-speed line operation of the C3 high-speed rail motor train unit, the scheme mainly realizes train-ground information transmission based on a GSM-R network, so that the C3-level ATP obtains complete line data, and the C3 high-speed rail motor train unit is controlled to meet the common-speed line operation requirement.
2) Disadvantages of the prior art
The first scheme is as follows: the operation of the visual mode can not meet the operation requirement of the ordinary speed line, and the normal operation of the ordinary speed line railway is greatly interfered.
Scheme II:
the CTCS-1 level train control system is adopted to realize that the C3 high-speed rail motor train unit roundabout common speed line needs to fully cover the GSM-R network, and the existing common speed line has a plurality of stations without GSM-R network coverage, so that the cost for fully covering the GSM-R network is high, the existing line is greatly improved, and the realization difficulty is high.
The C1 system is used as a technical reserve, and only completes simulation test work in a laboratory without field verification.
Disclosure of Invention
The invention provides a method for running a C3 high-speed rail motor train unit by utilizing a universal speed line in a roundabout mode. The method comprises the steps that a station data server is adopted to generate control information such as train running permission and the like, the control information is sent to vehicle-mounted equipment in a 400MHz wireless broadcast communication mode to generate a target distance mode curve, a C3 high-speed rail motor train unit is monitored to run on a common speed line, and the operation requirement that the running speed is less than 200km/h and the common speed line at the interval of 5min is tracked is met.
The interlocking system provides access information, the TSRS realizes the centralized management of temporary speed limit, the station data server realizes the centralized management of ground line data stations, and generates control information such as train driving permission and the like according to the access information and the temporary speed limit provided by the CBI and the TSRS; determining to send wireless messages in corresponding directions according to the directions of the routes; and when no route exists, only the wireless message in accordance with the interval direction is sent. The wireless message sent by the ground equipment is sent to the vehicle-mounted equipment in a 400MHz wireless broadcast communication mode, the ATP vehicle-mounted equipment realizes train positioning and wireless message information selection through a passive transponder, and a target distance continuous speed control mode curve is generated to monitor the safe running of the train in combination with signal permission information provided by a track circuit, the highest running speed of the train on a common speed line can reach 200km/h, the minimum tracking interval is 5min, and the running efficiency of the C3 high-speed train unit on the common speed line is greatly improved.
The specific technical scheme is as follows:
1. a train control system meeting the requirement that a C3 high-speed rail motor train unit operates by utilizing a universal speed line in a roundabout mode is characterized by comprising a vehicle-mounted part and a ground part
1) Vehicle-mounted part
The vehicle-mounted equipment comprises a main control unit, a wireless communication unit, a track circuit information receiving unit, a transponder information receiving unit, a data recording unit, a train interface unit, a human-computer interface, a speed and distance measuring unit and the like;
the vehicle-mounted equipment can generate a control curve according to a target-distance mode according to train parameters, track circuit information, line data, temporary speed limit and the like provided by the ground equipment, monitor the safe operation of the train, control the selection of a vehicle-mounted radio system according to information provided by a ground responder, and change keys row by row without influencing the normal operation of the whole road;
the ATP equipment can wirelessly acquire wireless messages from ground equipment within a ground 400MHz coverage range, selects the wireless messages according to received ground transponder numbers, has a function of switching between non-stop stages with C2 and C3, has a function of receiving a Beidou satellite clock and checking the effectiveness of the wireless messages, has a function of keeping time independent of an external power supply, and only performs time correction in a region without 400MHz wireless broadcast coverage, and the time correction frequency is not lower than 1 time/day;
the wireless communication unit can simultaneously receive and process wireless messages of 4 400MHz frequency points, and the vehicle-mounted radio station equipment has the functions of data flow monitoring and data configuration;
track circuit information receiving unit: receiving and processing information such as driving permission, the number of front idle block partitions, vehicle-mounted access speed and the like sent by a track circuit;
a transponder information receiving unit: receiving and processing line data information, train position, train running direction, route information, temporary speed limit and other information sent by a ground transponder; and controlling the selection of the vehicle-mounted radio system;
a data recording unit: the method comprises the following steps of recording main state information of vehicle-mounted control equipment in detail in a continuous recording mode;
a human-computer interface: the system has the functions of manually confirming an interface, displaying the current grade, the wireless network system and the like;
speed and distance measurement unit: monitoring the running speed of the train, calculating the running distance of the train, and correcting the influence of idling or sliding on speed measurement and distance measurement;
2) floor segment
The ground equipment mainly comprises a station data server, an interlock, a temporary speed limit server, a block, a track circuit, a transponder, 400MHz wireless communication equipment and the like;
a) the station data server: the method comprises the steps of realizing real-time framing and checking of wireless messages according to station and interval line basic data stored by the wireless message sending device and information provided by CBI (channel quality indicator), TSRS (transmission ranging) and other devices, and sending the wireless messages in corresponding directions in a broadcasting mode through 400MHz wireless devices according to the directions of routes and intervals;
the station data server has a maintenance diagnosis function, can receive alarm information provided by 400MHz wireless communication equipment, and has a function of providing fault and alarm information to a signal centralized monitoring system;
b) interlocking: the computer interlock and the station data server adopt an Ethernet interface for data communication, and transmit station train route information to the station data server in the form of a route number; for the relay interlock, a relay circuit is adopted to provide access information to a station data server;
c) the temporary speed limit server: temporary speed limit command storage, verification, deletion, split, setting, cancellation and other management functions are required;
the temporary speed limit server has the function of setting temporary speed limit in any range of an interval or a station;
a plurality of temporary speed limits can be set in each one-way main line temporary speed limit jurisdiction; the lateral line speed limit can be set according to the region at the same time;
the interval and station inner main line is set according to the speed-limiting mileage, the station inner side line is set according to the subarea, and the speed-limiting value is set according to the gear;
the temporary speed limit of the main line and the interval is set according to eight gears, which are respectively 25, 45, 60, 80, 100, 120, 160 and 200km/h, and the length of the longest speed limit area is the management range of a dispatching desk corresponding to the TSRS;
the lateral line temporary speed limit subareas are arranged according to 4 grades, and are respectively 25 km/h, 45 km/h, 60 km/h and 80 km/h;
d) blocking: the trains are ensured to run according to space intervals, and only one train is allowed to occupy in one block subarea at the same time;
e) track circuit: whether the signal is open or not is controlled by checking whether the section is occupied or not, and driving permission information is transmitted to the vehicle-mounted equipment;
f) the transponder: providing train positioning, inter-stage conversion information and wireless session management information to the vehicle-mounted equipment; the number of the responder is used as the unique basis for vehicle-mounted selection of the wireless message information.
Further, the station transponder setting principle is as follows:
the transponder group for identifying the direction of travel should comprise at least 2 transponders;
the station entering signal machine, the station exiting signal machine, the route entering signal machine and the outside of the signal machine where the line passes are provided with a transponder group;
setting a proximity section transponder group at an appropriate position in the section according to the line speed;
based on the proximity section transponder group and the inbound transponder group redundant arrangement, any one loss does not affect the forward line pick-up or the forward line passing route;
the interval responder setting principle is as follows:
interval transponder setup
The interval can be provided with a positioning transponder at a proper position for position correction;
the distance between the transponder groups is not more than 3km, one transponder group is lost, and the train operation should not be influenced;
the interstage conversion setting principle is as follows:
an interstage conversion responder is arranged at the interstage boundary and is divided into a forenotice point responder and an execution point responder;
the forenotice point and the conversion point are provided with a responder group consisting of 2 or more passive responders;
the distance between the forecast transponder and the switching point is larger than the running distance of the train running at the highest allowable speed of the line of the grade switching point for 5 s;
the wireless data coverage is as follows:
the positive line wireless message data at least cover to a first exit of the adjacent station in front;
the wireless message data of the side outbound is at least covered to the second exit of the local station.
Further, comprising, g) the 400MHz wireless communication device: the function of sending wireless messages to a vehicle in a wireless broadcast mode in real time is provided; the frequency of 400MHz special for railways is adopted, the total number of used frequency points is 4, and the bandwidth is 12.5 kHz; the hardware redundancy structure design is adopted, and the normal use of the equipment is not influenced by the single-system fault; the air interface speed of not less than 9.6kbps under the frequency width of 12.5kHz and the application data transmission capacity of 4.8kbps are realized, and the operation requirement of the running speed of less than 200km/h is met; the system has monitoring and alarming functions and can provide equipment fault information for a station data server; only single station coverage is needed, and roaming switching requirements are avoided; the air interface modulation and demodulation mode is QPSK, the Frame structure of the physical layer adopts an AGC control Frame + SYNC synchronization Frame data Frame, the transmitting power of the ground base station equipment is not more than 20W, and the air interface modulation and demodulation mode has a flexible adjustment function by combining with an actual coverage scene; the ground base station equipment should have the functions of data flow monitoring, data configuration and alarm.
The invention has the technical effects that:
1. the high-speed rail motor train unit can be operated by the detour of the ordinary speed line in an emergency, the operation requirement of tracking the ordinary speed line with the operation speed of less than 200km/h and the interval of 5min is met, the influence of high-speed iron infrastructure faults or emergency events on the high-speed rail transportation order is reduced, and the operation order of the existing line train is not influenced.
2. The railway special 400MHz frequency is adopted to send wireless messages, the total number of used frequency points is 4, and the bandwidth is 12.5 kHz; the method meets the operation requirement of the running speed of less than 200km/h, can prevent same frequency interference among different radio stations, can meet the requirement of flexibly organizing transportation, has mature technology, small transformation range on the existing line, relatively low investment cost and short transformation period.
3. Line basic data such as station, interval are all saved in station data server, the data maintenance after the later stage circuit is reformed transform of being convenient for.
Drawings
FIG. 1 is a view showing the overall structure of the system;
FIG. 2 is a schematic diagram of temporary speed-limiting zone division;
FIG. 3 is a schematic diagram of a station transponder with an origin station;
fig. 4 is a schematic diagram of a station transponder provided with an intermediate station;
FIG. 5 is a diagram of a zone transponder setup;
FIG. 6 is a diagram of an inter-stage transition transponder arrangement;
FIG. 7 is a wireless data coverage area;
fig. 8 is a diagram of a wireless coverage area based on 400 MHz.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
The train control system meeting the requirement that the C3 high-speed rail motor train unit operates by utilizing a universal speed line in a roundabout mode comprises a vehicle-mounted part and a ground part
1) Vehicle-mounted part
The vehicle-mounted equipment mainly comprises a main control unit, a wireless communication unit, a track circuit information receiving unit, a transponder information receiving unit, a data recording unit, a train interface unit, a human-computer interface, a speed and distance measuring unit and the like.
The vehicle-mounted equipment can generate a control curve according to a target-distance mode according to train parameters, track circuit information, line data, temporary speed limit and the like provided by the ground equipment, the safe operation of the train is monitored, the selection of a vehicle-mounted radio system can be controlled according to information provided by the ground responder, keys can be replaced by the vehicle-mounted equipment row by row, and the normal operation of the whole road is not influenced.
The ATP equipment can wirelessly acquire wireless messages from ground equipment within a ground 400MHz coverage range, select the wireless messages according to received ground transponder numbers, has a function of switching between non-stop stages with C2 and C3, has a function of receiving a Beidou satellite clock and checking the effectiveness of the wireless messages, has a function of keeping watch without depending on an external power supply, and only performs timing in a region without 400MHz wireless broadcast coverage, and the timing frequency is not lower than 1 time/day.
The wireless communication unit can simultaneously receive and process wireless messages with 4 400MHz frequency points, and the vehicle-mounted radio station equipment has the functions of data flow monitoring and data configuration.
Track circuit information receiving unit: and receiving and processing information such as driving permission, the number of front idle block partitions, vehicle-mounted access speed and the like sent by the track circuit.
A transponder information receiving unit: and receiving and processing the line data information, the train position, the train running direction, the route information, the temporary speed limit and other information sent by the ground transponder. And controlling the selection of the vehicle-mounted radio system.
A data recording unit: and recording the main state information of the vehicle-mounted control equipment in detail in a continuous recording mode.
A human-computer interface: the system has the functions of manually confirming an interface, displaying the current grade, the wireless network system and the like.
Speed and distance measurement unit: the method realizes monitoring the running speed of the train, calculating the running distance of the train and correcting the influence of idle running or sliding on speed measurement and distance measurement.
2) Floor segment
The ground equipment mainly comprises a station data server, an interlock, a temporary speed limit server, a block, a track circuit, a transponder, 400MHz wireless communication equipment and the like.
a) The station data server: the method realizes real-time framing and checking of the wireless messages according to the stored station and interval line basic data and information provided by CBI, TSRS and other devices, and can send the wireless messages in corresponding directions in a broadcasting mode through 400MHz wireless devices according to the directions of routes and intervals.
The station data server has a maintenance diagnosis function, can receive alarm information provided by 400MHz wireless communication equipment, and has a function of providing fault and alarm information to a signal centralized monitoring system.
b) Interlocking: the computer interlock and the station data server adopt an Ethernet interface for data communication, and transmit station train route information to the station data server in the form of route numbers. And for the relay interlock, a relay circuit is adopted to provide access information for the station data server.
c) The temporary speed limit server: the temporary speed limit command management system has management functions of temporary speed limit command storage, verification, deletion, split, setting, cancellation and the like.
The temporary speed limit server should have a function of setting a temporary speed limit within an arbitrary range in an interval or a station.
And a plurality of temporary speed limits can be set in each one-way main line temporary speed limit jurisdiction. The lateral line speed limit can be set simultaneously according to the zones.
The interval and station inner main line is set according to the speed-limiting mileage, the station inner side line is set according to the subarea, and the speed-limiting value is set according to the gear.
As shown in fig. 2.
The temporary speed limit of the main line and the interval is set according to eight steps, which are respectively 25, 45, 60, 80, 100, 120, 160 and 200km/h, and the length of the longest speed limit area is the management range of the dispatching desk corresponding to the TSRS.
The lateral line temporary speed limit subareas are arranged according to 4 grades, and are respectively 25 km/h, 45 km/h, 60 km/h and 80km/h
d) Blocking: the trains are ensured to run according to space intervals, and only one train is allowed to occupy in one block subarea at the same time.
e) Track circuit: whether the signal is open or not is controlled by checking whether the section is occupied or not, and the driving permission information is transmitted to the vehicle-mounted equipment.
f) The transponder: and providing train positioning, inter-stage conversion information and wireless session management information to the vehicle-mounted equipment. The number of the responder is used as the unique basis for vehicle-mounted selection of the wireless message information.
The setting principle of the station transponder is as follows: as shown in fig. 3.
The station transponder is provided with a schematic diagram of an initial station: as shown in fig. 4.
The transponder group for identifying the direction of travel should comprise at least 2 transponders.
The incoming station, the outgoing station, the incoming signal machine and the outside of the signal machine where the line passes are provided with a transponder group.
The proximity zone transponder group is set at an appropriate position in the zone according to the line speed.
Based on the redundant arrangement of the proximity sector transponder group and the inbound transponder group, any one loss does not affect the forward wire pick-up or the forward wire pass-through approach.
The interval responder setting principle is as follows: as shown in fig. 5.
Interval responder arrangement
The intervals may position the location transponders at appropriate locations for position correction.
The distance between the transponder groups is not more than 3km, one transponder group is lost, and the train operation should not be influenced.
The interstage conversion setting principle is as follows: as shown in fig. 6.
And an inter-stage conversion responder is arranged at the inter-stage boundary and is divided into a forenotice point responder and an execution point responder.
The forenotice point and the switching point are provided with a transponder group consisting of 2 or more passive transponders.
The distance between the forecast transponder and the switching point is larger than the running distance of the train running for 5s at the highest allowable speed of the line at the grade switching point.
The wireless data coverage is as follows: as shown in fig. 7.
The positive line wireless message data at least cover to the adjacent station in front and leave.
The wireless message data of the side outbound is at least covered to the second exit of the local station.
g)400MHz wireless communication device: the function of sending wireless messages to a vehicle in a wireless broadcast mode in real time is provided; the frequency of 400MHz special for railways is adopted, the total number of used frequency points is 4, and the bandwidth is 12.5 kHz; the hardware redundancy structure design is adopted, and the normal use of the equipment is not influenced by the single-system fault; the air interface speed of not less than 9.6kbps under the frequency width of 12.5kHz and the application data transmission capacity of 4.8kbps are realized, and the operation requirement of the running speed of less than 200km/h is met; the system has monitoring and alarming functions and can provide equipment fault information for a station data server; only single station coverage is needed, and roaming switching requirements are avoided; the air interface modulation and demodulation mode is QPSK, the Frame structure of the physical layer adopts an AGC control Frame + SYNC synchronization Frame data Frame, the transmitting power of the ground base station equipment is not more than 20W, and the air interface modulation and demodulation mode has the function of flexible adjustment by combining with the actual coverage scene. The ground base station equipment should have the functions of data flow monitoring, data configuration and alarm.
As shown in fig. 8.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A train control system meeting the requirement that a C3 high-speed rail motor train unit operates by utilizing a universal speed line in a roundabout mode is characterized by comprising a vehicle-mounted part and a ground part
1) Vehicle-mounted part
The vehicle-mounted equipment comprises a main control unit, a wireless communication unit, a track circuit information receiving unit, a transponder information receiving unit, a data recording unit, a train interface unit, a human-computer interface, a speed and distance measuring unit and the like;
the vehicle-mounted equipment can generate a control curve according to a target-distance mode according to train parameters, track circuit information, line data, temporary speed limit and the like provided by the ground equipment, monitor the safe operation of the train, control the selection of a vehicle-mounted radio system according to information provided by a ground responder, and change keys row by row without influencing the normal operation of the whole road;
the ATP equipment can wirelessly acquire wireless messages from ground equipment within a ground 400MHz coverage range, selects the wireless messages according to received ground transponder numbers, has a function of switching between non-stop stages with C2 and C3, has a function of receiving a Beidou satellite clock and checking the effectiveness of the wireless messages, has a function of keeping time independent of an external power supply, and only performs time correction in a region without 400MHz wireless broadcast coverage, and the time correction frequency is not lower than 1 time/day;
the wireless communication unit can simultaneously receive and process wireless messages of 4 400MHz frequency points, and the vehicle-mounted radio station equipment has the functions of data flow monitoring and data configuration;
track circuit information receiving unit: receiving and processing information such as driving permission, the number of front idle block partitions, vehicle-mounted access speed and the like sent by a track circuit;
a transponder information receiving unit: receiving and processing line data information, train position, train running direction, route information, temporary speed limit and other information sent by a ground transponder; and controlling the selection of the vehicle-mounted radio system;
a data recording unit: the method comprises the following steps of recording main state information of vehicle-mounted control equipment in detail in a continuous recording mode;
a human-computer interface: the system has the functions of manually confirming an interface, displaying the current grade, the wireless network system and the like;
speed and distance measurement unit: monitoring the running speed of the train, calculating the running distance of the train, and correcting the influence of idling or sliding on speed measurement and distance measurement;
2) floor segment
The ground equipment mainly comprises a station data server, an interlock, a temporary speed limit server, a block, a track circuit, a transponder, 400MHz wireless communication equipment and the like;
a) the station data server: the method comprises the steps of realizing real-time framing and checking of wireless messages according to station and interval line basic data stored by the wireless message sending device and information provided by CBI (channel quality indicator), TSRS (transmission ranging) and other devices, and sending the wireless messages in corresponding directions in a broadcasting mode through 400MHz wireless devices according to the directions of routes and intervals;
the station data server has a maintenance diagnosis function, can receive alarm information provided by 400MHz wireless communication equipment, and has a function of providing fault and alarm information to a signal centralized monitoring system;
b) interlocking: the computer interlock and the station data server adopt an Ethernet interface for data communication, and transmit station train route information to the station data server in the form of a route number; for the relay interlock, a relay circuit is adopted to provide access information to a station data server;
c) the temporary speed limit server: temporary speed limit command storage, verification, deletion, split, setting, cancellation and other management functions are required;
the temporary speed limit server has the function of setting temporary speed limit in any range of an interval or a station;
a plurality of temporary speed limits can be set in each one-way main line temporary speed limit jurisdiction; the lateral line speed limit can be set according to the region at the same time;
the interval and station inner main line is set according to the speed-limiting mileage, the station inner side line is set according to the subarea, and the speed-limiting value is set according to the gear;
the temporary speed limit of the main line and the interval is set according to eight steps, which are respectively 25, 45, 60, 80, 100, 120, 160 and 200km/h, and the length of the longest speed limit area is the management range of the dispatching desk corresponding to the TSRS;
the lateral line temporary speed limit subareas are arranged according to 4 grades, and are respectively 25 km/h, 45 km/h, 60 km/h and 80km/h
d) Blocking: the trains are ensured to run according to space intervals, and only one train is allowed to occupy in one block subarea at the same time;
e) track circuit: whether the signal is open or not is controlled by checking whether the section is occupied or not, and driving permission information is transmitted to the vehicle-mounted equipment;
f) the transponder: providing train positioning, inter-stage conversion information and wireless session management information to the vehicle-mounted equipment; the number of the responder is used as the unique basis for vehicle-mounted selection of the wireless message information.
2. The train control system for satisfying the C3 high-speed rail motor train unit running by using the universal line detour as claimed in claim 1, wherein the station transponder setting principle is as follows:
the transponder group for identifying the direction of travel should comprise at least 2 transponders;
the station entering signal machine, the station exiting signal machine, the route entering signal machine and the outside of the signal machine where the line passes are provided with a transponder group;
setting a proximity section transponder group at an appropriate position in the section according to the line speed;
based on the proximity section transponder group and the inbound transponder group redundant arrangement, any one loss does not affect the forward line pick-up or the forward line passing route;
the interval responder setting principle is as follows:
interval transponder setup
The interval can be provided with a positioning transponder at a proper position for position correction;
the distance between the transponder groups is not more than 3km, one transponder group is lost, and the train operation should not be influenced;
the interstage conversion setting principle is as follows:
an inter-stage conversion responder is arranged at the inter-stage boundary and is divided into a forenotice point responder and an execution point responder;
the forenotice point and the conversion point are provided with a responder group consisting of 2 or more passive responders;
the distance between the forecast transponder and the switching point is larger than the running distance of the train running at the highest allowable speed of the line of the grade switching point for 5 s;
the wireless data coverage is as follows:
the positive line wireless message data at least cover to a first exit of the adjacent station in front;
the wireless message data of the side outbound is at least covered to the second exit of the local station.
3. The train control system for satisfying the requirement of the C3 high-speed rail motor train unit operating with the universal line detour as claimed in claim 1, further comprising, g)400MHz wireless communication devices: the function of sending wireless messages to a vehicle in a wireless broadcast mode in real time is provided; the frequency of 400MHz special for railways is adopted, the total number of used frequency points is 4, and the bandwidth is 12.5 kHz; the hardware redundancy structure design is adopted, and the normal use of the equipment is not influenced by the single-system fault; the air interface speed of not less than 9.6kbps under the frequency width of 12.5kHz and the application data transmission capacity of 4.8kbps are realized, and the operation requirement of the running speed of less than 200km/h is met; the system has monitoring and alarming functions and can provide equipment fault information for a station data server; only single station coverage is needed, and roaming switching requirements are avoided; the air interface modulation and demodulation mode is QPSK, the Frame structure of the physical layer adopts an AGC control Frame + SYNC synchronization Frame data Frame, the transmitting power of the ground base station equipment is not more than 20W, and the air interface modulation and demodulation mode has a flexible adjustment function by combining with an actual coverage scene; the ground base station equipment should have the functions of data flow monitoring, data configuration and alarm.
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