Signal machine display control method and system

Abstract

The invention relates to an annunciator display control method and system. The method comprises the following steps: acquiring a CBTC (Communication Based Train Control) mode type of an annunciator according to offline configuration information of the annunciator; acquiring crossing information of the annunciator and non-CBTC train approaching state information in front of the annunciator, and acquiring CBTC mode control information of the annunciator in combination with the CBTC mode type of the annunciator; acquiring a permission state of the signal machine according to the CBTC mode control information; acquiring other internal state information influencing the display of the annunciator; according to all the internal state information influencing display of the annunciator, lamp position driving parameters are determined according to an annunciator driving command table; all the state information influencing the display of the annunciator comprises CBTC mode control information, the permission state of the annunciator and other internal state information influencing the display of the annunciator; and controlling on and off of the corresponding lamp positions according to the lamp position driving parameters. Compared with the prior art, stable and compatible control of an interlocking system and a trackside display scheme is realized.

Description

Technical Field

[0001] The present invention relates to the field of rail transit signal control, and in particular to a signal machine display control method and system. Background Art

[0002] In the communication-based train control (CBTC) system, CBTC trains and non-CBTC trains (non-equipped trains or trains with communication failures) often operate in a mixed manner. In order to ensure operational safety at this time, a backup system based on secondary detection equipment (axle counters) and signals needs to be set up. In the CBTC system, trains operate entirely based on the movement authorization information sent by the trackside. The authorization information is not related to the trackside signals. Therefore, the CBTC system does not require trackside signals and does not need to consider the display of signals. However, most projects will introduce a backup system (interlocking-based backup system or point-based backup system), and in the backup mode, trackside signals are needed to tell the driver the status of the approach ahead in real time. In the current CBTC project, the signal display schemes on the trackside mainly include the light-off scheme and the light-on scheme. The light-off scheme can be further divided into the following three types:

[0003] Solution 1: Normal lighting CBTC lights off or lights up when a train approaches CBTC indicates the position of the light

[0004] The display logic is that when a CBTC train approaches the signal, the signal turns off the light or turns on the CBTC indicator light. Otherwise, the light turns on in the backup mode.

[0005] Solution 2: In the normal lighting CBTC mode, the signal is allowed to turn off the light or turn on the CBTC to indicate the light position

[0006] The display logic is that when a CBTC train approaches a signal and the signal is in a permissive state, the light indicating the CBTC position is turned off or on; otherwise, the light is turned on in the backup mode.

[0007] Solution 3: Normally turn off the light or turn on CBTC to indicate the light position

[0008] The display logic is that when there is no non-CBTC train approaching the signal, the signal will turn off the light or turn on the CBTC indicator light position.

[0009] The display logic of the lighting scheme is that the signal needs to be lit regardless of whether a CBTC train is approaching or not. The display of the permission signal and the prohibition signal in the CBTC mode are the same as those in the backup mode. When there is no non-CBTC train approaching the signal, the signal is lit according to the CBTC mode, otherwise it is lit according to the backup mode. In the CBTC mode, when there is no CBTC train approaching the signal, the prohibition signal is displayed.

[0010] In the backup mode, the signal needs to light up, which can be divided into prohibition signal and permission signal according to its display meaning. Generally, the red light is a prohibition signal (the blue light is used for shunting), and the train is prohibited from passing the signal. The permission signal has different meanings according to the specific display, such as: speed reduction, warning of the status of the section ahead, and guidance signal.

[0011] Due to the different design preferences of actual engineering projects, the display scheme of the trackside needs to be defined according to the project requirements, which will lead to the interlocking system and the display scheme of the trackside being incompatible and need to be expanded and upgraded, increasing the maintenance cost of the system. In the prior art, Chinese patent CN110329312B discloses a method for controlling a signal machine by an interlocking system. The method receives interlocking control commands corresponding to different light colors through the interlocking system; determines the relay corresponding to the signal machine to be driven according to the signal machine command table, and the signal machine command table lists the corresponding actions of all relays of the signal machine when the interlocking control commands of different light colors are enumerated; drives the relay to perform the suction or drop action; collects the state values ​​fed back after all relays perform the corresponding actions, and matches and checks with the signal machine state corresponding to the light color in the signal machine state table to determine whether the signal machine is correctly opened. This method can only solve the problem that the interlocking system and the signal machine lighting circuit interface are not compatible and stable, but cannot solve the problem that the interlocking system and the display scheme of the trackside are not compatible and stable. Summary of the invention

[0012] The purpose of the present invention is to overcome the defects of the above-mentioned prior art and provide a signal display control method and system, so as to realize stable and compatible control of the interlocking system and the trackside display scheme.

[0013] The purpose of the present invention can be achieved by the following technical solutions:

[0014] A signal display control method comprises the following steps:

[0015] Acquire the CBTC mode type of the signal according to the offline configuration information of the signal;

[0016] Obtaining crossing information of the signal and information about the approaching state of no non-CBTC train in front of the signal, and obtaining CBTC mode control information of the signal according to the CBTC mode type, the crossing information and the information about the approaching state of no non-CBTC train in front of the signal;

[0017] Acquiring a permission status of a signal according to the CBTC mode control information;

[0018] Obtaining other internal status information that affects the display of the signal;

[0019] Determine the light position driving parameters according to all the internal status information that affects the display of the signal and the signal driving command table; the all the status information that affects the display of the signal includes the CBTC mode control information, the permission status of the signal and the other internal status information that affects the display of the signal;

[0020] Send a lamp position control command to the IO control unit according to the lamp position driving parameters to control the lighting of the corresponding lamp position.

[0021] Furthermore, the specific steps of obtaining the crossing information are: when the movement authorization of the CBTC train crosses the signal and the smallest head of the CBTC train does not cross the signal, the crossing information of the signal is set to 1, otherwise it is set to 0.

[0022] Furthermore, the specific steps of obtaining the status information of no non-CBTC train approaching in front of the signal are: when the approach area of ​​the signal is idle or the first train approaching the signal upstream of the signal is a CBTC train, the information of no non-CBTC train approaching in front of the signal is set to 1, otherwise it is set to 0.

[0023] Furthermore, the CBTC mode types include a non-CBTC mode, a CBTC mode when a CBTC train approaches, and a CBTC mode when a non-CBTC train approaches.

[0024] Furthermore, the specific steps of obtaining the CBTC mode control information are:

[0025] If the CBTC mode type of the signal is the non-CBTC mode, the CBTC mode control information is set to 0;

[0026] If the CBTC mode type of the signal is the CBTC mode when the CBTC train approaches, a judgment is made according to the crossing information, and if the information is 1, the CBTC mode control information is set to 1, otherwise it is set to 0;

[0027] If the CBTC mode type of the signal is the non-CBTC train approaching CBTC mode, a judgment is made based on the state information of no non-CBTC train approaching in front of the signal. If the information is 1, the CBTC mode control information is set to 1, otherwise it is set to 0.

[0028] Furthermore, the specific steps of obtaining the permission status include: selecting whether to use CBTC logic or backup logic according to the CBTC mode control information; if the CBTC mode control information is 1, using CBTC logic to check and obtain the permission status; otherwise, using backup logic to calculate and obtain the permission status.

[0029] Furthermore, the other internal status information that affects the display of the signal is the type of route associated with the signal and whether there is a reverse turnout inside the route, including whether the signal's dynamically associated route is a train route, whether the signal's dynamically associated route is a shunting route, whether the signal's dynamically associated route is a guide route, and whether there is a reverse turnout in the signal's dynamically associated route.

[0030] Furthermore, the route type associated with the signal is calculated through the route handling command sent by the ATS.

[0031] Furthermore, the signal machine driving command table is composed of different signal machine type driving sub-tables divided according to signal machine types, and the signal machine type driving sub-table is generated by correspondingly combining light position driving command combinations and signal machine internal state combinations.

[0032] Furthermore, the light position driving command combination is composed of all physical light positions of the signal arranged and combined in a fixed order; the signal internal state combination is composed of all internal state information affecting the display of the signal arranged and combined in a fixed order.

[0033] Furthermore, the specific steps for determining the light position driving parameters are: matching the internal state information of the signal machine with the internal state combination of the signal machine in the signal machine type driving subtable one by one, if all states except the irrelevant state are matched successfully, then it is considered that the internal combination state matches successfully, otherwise the match fails; according to the successfully matched internal combination state, assign the light position driving parameters according to the corresponding light position driving command combination.

[0034] Furthermore, the lamp position driving parameter is a binary number, and when the corresponding lamp position is driven to light up, the driving value is set to 1, otherwise it is set to 0.

[0035] Furthermore, the light positions include downgraded permitted light positions, permitted light positions, restricted light positions, CBTC light positions, shunting permitted light positions and shunting restricted light positions.

[0036] According to an aspect of the present invention, there is provided a signal display control system, comprising:

[0037] A CBTC mode type acquisition module, used to acquire the CBTC mode type of the signal according to the offline configuration information of the signal;

[0038] A CBTC mode control information acquisition module is used to acquire the crossing information of the signal and the state information that there is no non-CBTC train approaching in front of the signal, and acquire the CBTC mode control information of the signal according to the CBTC mode type, the crossing information and the state information that there is no non-CBTC train approaching in front of the signal;

[0039] A permission status acquisition module, used for acquiring the permission status of the signal according to the CBTC mode control information;

[0040] An internal state information acquisition module is used to acquire other internal state information that affects the display of the signal machine;

[0041] A light position drive parameter determination module is used to determine the light position drive parameters according to the internal state information of the signal machine and the signal machine drive command table;

[0042] The light position control module is used to send a light position control command to the IO control unit according to the light position driving parameters to control the lighting of the corresponding light position.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] 1. The present invention obtains the CBTC mode type of the signal according to the offline configuration information, and obtains the crossing information of the signal and the approaching status information of non-CBTC trains in front of the signal, thereby obtaining the CBTC mode control information of the signal; obtains the permission status of the signal according to the CBTC mode control information; determines the light position driving parameters according to the signal drive command table based on all the internal status information affecting the signal, and then sends the light position control command to the IO control unit to control the lighting of the corresponding light position, thereby realizing stable and compatible control of the interlocking system and the trackside display solution, enhancing the robustness and reliability of the system, and reducing the development and maintenance costs.

[0045] 2. In the present invention, the signal machine drive command table is divided into different signal machine type drive sub-tables according to the signal machine type. Each signal machine type drive sub-table is generated by a signal machine light position drive command combination and a signal machine internal state combination. Different signal machine light position drive command combinations mean different display modes, which can correspond to one or more signal machine internal state combinations. The design of the signal machine drive command table simplifies the complexity of the system and facilitates the expansion and maintenance of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 A schematic flow chart of the signal display control method proposed by the present invention;

[0047] Figure 2 This is a schematic diagram of the signal crossing information application area;

[0048] Figure 3 Schematic diagrams of scenarios where there is no non-CBTC train approaching the signal and the state information is 1, where (3a) is a scenario where the approach area of ​​signal S1 is idle, (3b) is a scenario where the first train approaching the signal upstream of the signal is a CBTC train, and (3c) is another scenario where the first train approaching the signal upstream of the signal is a CBTC train;

[0049] Figure 4 Schematic diagram of the scenario where there is no non-CBTC train approaching status information in front of the signal, where (4a) is the scenario where the non-CBTC train approaching information is set to 0, and (4b) is the scenario where the non-CBTC train approaching information is set to 1. DETAILED DESCRIPTION

[0050] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0051] Abbreviations involved:

[0052] Communication-Based Train Control, CBTC

[0053] Automatic Train Supervision, ATS

[0054] Example 1

[0055] This embodiment provides a signal display control method, such as Figure 1 As shown, the following steps are included:

[0056] S1. Obtain the CBTC mode type of the signal according to the offline configuration information of the signal.

[0057] There are three types of CBTC modes for signal lights: 1. No CBTC mode; 2. CBTC mode when a CBTC train approaches; 3. CBTC mode when a non-CBTC train approaches.

[0058] S2. Obtain crossing information of the signal and information on the approaching status of no non-CBTC train in front of the signal, and obtain CBTC mode control information of the signal according to the CBTC mode type, crossing information and information on the approaching status of no non-CBTC train in front of the signal.

[0059] The specific steps for obtaining the crossing information are as follows: when the movement authorization of the CBTC train passes the signal and the minimum head of the CBTC train does not pass the signal, the crossing information of the signal is set to 1, otherwise it is set to 0.

[0060] like Figure 2As shown in the figure, the minimum head position and axle counter boundary of the CBTC train are the crossing information application area of ​​the signal S1. For the route start signal S1, if the corresponding route is not set, the maximum position of the movement authorization should be located at the boundary of the first axle counter to be protected. In special scenarios, the axle counter and the signal are located at the same position, and the signal crossing information should be set to 1 in this scenario. The minimum head of the train is the near end of the train head when the train is positioned.

[0061] The specific steps for obtaining the state information of no non-CBTC train approaching in front of the signal are as follows: when the approaching area of ​​the signal is idle or the first train approaching the signal upstream of the signal is a CBTC train, the information of no CBTC train approaching in front of the signal is set to 1, otherwise it is set to 0.

[0062] like Figure 3 In the three scenarios shown, the signal light has no CBTC train approaching information, which is 1. Figure 3 As shown in (3a), the approach area of ​​signal S1 is idle, as shown in Figure 3 As shown in (3b), the first train approaching the signal upstream of the signal is a CBTC train, such as Figure 3 As shown in (3c), the first train approaching the signal upstream of the signal is also a CBTC train. Figure 4 In the two scenarios shown, there is a non-communication vehicle in front of signal S1. At this time, the non-CBTC train approaching information should be set to 0, such as Figure 4 As shown in (4a); after the non-communication vehicle has completely passed the signal S1, the non-CBTC train approaching information is set to 1, such as Figure 4 as shown in (4b).

[0063] Determine whether the current signal is in CBTC mode based on the acquired signal CBTC mode type and the signal crossing and non-CBTC train approaching information in front of the signal. Specifically, if the signal CBTC mode type is non-CBTC mode, the signal cannot be in CBTC control mode, and the CBTC mode control information is set to 0; if the signal CBTC mode type is CBTC mode when a CBTC train approaches, it is determined based on the signal crossing information. If the information is 1, the CBTC mode control information is set to 1, otherwise it is set to 0; if the signal CBTC mode type is CBTC mode when no CBTC train approaches, it is determined based on the non-CBTC train approaching information in front of the signal. If the information is 1, the CBTC mode control information is set to 1, otherwise it is set to 0. For the blocking signal at the end, it needs to be configured as type 1 if it needs to always display a red light. For pure shunting signals or signals in non-CBTC areas without CBTC mode, they also need to be configured as type 1. For the train signal at the beginning of the route, the CBTC light-off scheme is adopted.

[0064] S3. Obtain the permission status of the signal according to the CBTC mode control information.

[0065] The specific steps to obtain the permission status are: select CBTC logic or backup logic according to the CBTC mode control information. If the CBTC mode control information is 1, the CBTC logic is used to check the permission status, otherwise the backup logic is used to calculate the permission status. If the CBTC logic is used, the signal is open without checking the conditions such as section idleness. If the backup logic is used, it is necessary to check the conditions such as section idleness. It should be noted that in the backup mode, when the signal filament is broken, the signal needs to be forced to the restricted state; in the CBTC mode, the filament and the third light position of CBTC are allowed to be broken without affecting the state of the signal. Only when the CBTC is lit, the filament is restricted to break and force the signal to the restricted state.

[0066] S4. Obtain other internal status information that affects the display of the signal.

[0067] Other factors that affect the signal display of the same route as the signal mainly include the type of route associated with the signal and whether there is a reverse turnout inside the route. Therefore, other status information of the signal includes at least the following status:

[0068] 1. Is the signal dynamically associated route a train route?

[0069] 2. Is the signal dynamically associated route a shunting route?

[0070] 3. Is the signal-related route a guided route?

[0071] 4. Whether there is a reverse turnout in the signal machine's dynamic associated route;

[0072] The above signal-related route type information can be calculated based on the route handling order sent by ATS (Automatic Train Monitoring System). If the ATS issues a train route handling order, the signal is associated with the train route; if the ATS issues a shunting route handling order, the signal is associated with the shunting route; if the ATS issues a guide route handling order, the signal estimation is associated with the guide route.

[0073] S5. Determine the light position driving parameters according to all internal status information that affects the signal display and the signal drive command table.

[0074] All status information that affects the signal display includes CBTC mode control information, signal permission status and other internal status information that affects the signal display.

[0075] The specific steps to determine the light position drive parameters are: match the internal state information of the signal machine with the internal state combination of the signal machine in the signal machine type drive subtable one by one. If all states except the irrelevant state are matched successfully, the internal combination state is considered to be matched successfully, otherwise the match fails. If a matching internal state combination is found, the light position drive parameters are assigned according to the corresponding signal machine light position drive command combination. Otherwise, according to the principle of fault-oriented safety, a set of safety-oriented drive parameters is output by default. The signal machine type is configured offline according to the display logic of the signal machine.

[0076] The lamp position driving parameter is a binary number. When the corresponding lamp position is lit, the driving value is set to 1, otherwise it is set to 0.

[0077] The signal drive command table is composed of different signal type drive sub-tables divided according to the signal type. Different signal display logic combinations correspond to different signal types. The signal type drive sub-table is generated by the light position drive command combination and the signal internal state combination. Different signal light position drive command combinations mean different display modes, which can correspond to one or more signal internal state combinations.

[0078] The light position drive command combination is composed of all the physical light positions of the signal arranged and combined in a fixed order; the signal internal state combination is composed of all the internal state information that affects the display of the signal arranged and combined in a fixed order.

[0079] The light positions of the signal light include the following:

[0080] 1. Downgrade to allow light position (usually yellow light)

[0081] 2. Allow light position (usually green light)

[0082] 3. Restricted light position (usually red light)

[0083] 4. CBTC light position (usually blue light)

[0084] 5. The light position for allowing shunting (usually white light)

[0085] 6. Shunting restricted light position (usually blue light)

[0086] For each signal internal state information, you need to set its matching type in the signal internal state combination:

[0087] 1.CHECK_BE_TRUE, if the internal state of the signal is 1, the match is successful;

[0088] 2.CHECK_BE_FALSE, if the internal state of the signal is 0, the match is successful;

[0089] 3.NO_CHECK: the internal state of the signal is irrelevant and is not checked during matching.

[0090] In this embodiment, two types of signal machines are selected for matching.

[0091] The signal type in Table 1 is a three-display train signal using CBTC lights off, and its signal type drive sub-table is shown in the following table.

[0092] Table 1: Signal type driver subtable for signal type 1

[0093]

[0094]

[0095] The display logic of the signal type driven sub-table of signal type 1 is as follows:

[0096] 1. The light goes out when the signal is in CBTC mode;

[0097] 2. The signal is in the backup mode, the associated route is the train route and the signal permits, and the switches in the route are in position and display green lights;

[0098] 3. The signal is in the backup mode, the associated route is the train route and the signal permits, and the yellow light is displayed when the arrival and overtaking in the route is in the reverse position;

[0099] In some projects, white light is used instead of yellow light, and the display logic is the same as above.

[0100] 4. The signal is in backup mode and the signal is in restricted state, showing red light.

[0101] The signal type in Table 2 is a three-display train signal. The three-display train signal uses CBTC lighting and is a signal with guidance function.

[0102] Table 2: Signal type driver subtable for signal type 2

[0103]

[0104]

[0105] The display logic of the signal type driven sub-table of signal type 2 is as follows:

[0106] 1. The signal-related route is a train route and the signal permits it, and all the switches in the route are in position and display green lights;

[0107] 2. When the signal-related route is a train route and the signal permits, the yellow light is displayed when the arrival and overtaking in the route is in the reverse position;

[0108] 3. The signal-related route is a guided route and the signal permits, and the red and yellow lights are displayed;

[0109] 4. The traffic light will turn red when the traffic signal is in restricted status.

[0110] By adjusting the signal type driver table, adaptive control of the signal color lights can be achieved, thereby adapting to different trackside display solutions to meet the needs of specific projects.

[0111] S6. Send a light position control command to the IO control unit according to the light position driving parameters to control the lighting of the corresponding light position.

[0112] The light position driving parameters are determined according to the signal machine driving command table based on the internal status information of the signal machine. The control command is sent to the IO control unit based on the light position driving parameters to control the lighting of the corresponding light position of the signal machine, thereby achieving stable and compatible control of the interlocking system and the trackside display solution.

[0113] In another preferred embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the signal display control method in Embodiment 1 can be implemented.

[0114] Example 2

[0115] This embodiment provides a signal display control system, including:

[0116] A CBTC mode type acquisition module, used to acquire the CBTC mode type of the signal according to the offline configuration information of the signal;

[0117] A CBTC mode control information acquisition module is used to acquire the crossing information of the signal and the approaching status information of no non-CBTC train in front of the signal, and acquire the CBTC mode control information of the signal according to the CBTC mode type, the crossing information and the approaching status information of no non-CBTC train in front of the signal;

[0118] A permission status acquisition module is used to obtain the permission status of the signal according to the CBTC mode control information;

[0119] An internal state information acquisition module is used to acquire other internal state information that affects the display of the signal machine;

[0120] A light position drive parameter determination module is used to determine the light position drive parameters according to the internal state information of the signal machine and the signal machine drive command table;

[0121] The light position control module is used to send light position control commands to the IO control unit according to the light position driving parameters to control the lighting of the corresponding light position.

[0122] The rest is the same as in Example 1.

[0123] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A signal display control method, characterized in that: The following steps are involved: Acquire the CBTC mode type of the signal according to the offline configuration information of the signal; Obtaining crossing information of the signal and information about the approaching state of no non-CBTC train in front of the signal, and obtaining CBTC mode control information of the signal according to the CBTC mode type, the crossing information and the information about the approaching state of no non-CBTC train in front of the signal; Acquiring a permission status of a signal according to the CBTC mode control information; Obtaining other internal status information that affects the display of the signal; Determine the light position driving parameters according to all the internal status information that affects the display of the signal and the signal driving command table; the all the status information that affects the display of the signal includes the CBTC mode control information, the permission status of the signal and the other internal status information that affects the display of the signal; Send a light position control command to the IO control unit according to the light position driving parameters to control the lighting of the corresponding light position.

2. The signal display control method according to claim 1, characterized in that: The specific steps of obtaining the crossing information are: when the movement authorization of the CBTC train crosses the signal and the smallest head of the CBTC train does not cross the signal, the crossing information of the signal is set to 1, otherwise it is set to 0.

3. The signal display control method according to claim 1, characterized in that: The specific steps of obtaining the state information of no non-CBTC train approaching in front of the signal are: when the approach area of ​​the signal is idle or the first train approaching the signal upstream of the signal is a CBTC train, the information of no non-CBTC train approaching in front of the signal is set to 1, otherwise it is set to 0.

4. The signal display control method according to claim 1, characterized in that: The CBTC mode types include a non-CBTC mode, a CBTC mode when a CBTC train approaches, and a CBTC mode when a non-CBTC train approaches.

5. The signal display control method according to claim 4, characterized in that: The specific steps of obtaining the CBTC mode control information are: If the CBTC mode type of the signal is the non-CBTC mode, the CBTC mode control information is set to 0; If the CBTC mode type of the signal is the CBTC mode when the CBTC train approaches, a judgment is made according to the crossing information, and if the information is 1, the CBTC mode control information is set to 1, otherwise it is set to 0; If the CBTC mode type of the signal is the non-CBTC train approaching CBTC mode, a judgment is made based on the state information of no non-CBTC train approaching in front of the signal. If the information is 1, the CBTC mode control information is set to 1, otherwise it is set to 0.

6. The signal display control method according to claim 1, characterized in that: The specific steps of obtaining the permission status include: selecting whether to use CBTC logic or backup logic according to the CBTC mode control information; if the CBTC mode control information is 1, using CBTC logic to check and obtain the permission status; otherwise, using backup logic to calculate and obtain the permission status.

7. The signal display control method according to claim 1, characterized in that: The other internal status information that affects the display of the signal is the type of route associated with the signal and whether there is a reverse turnout inside the route, including whether the route dynamically associated with the signal is a train route, whether the route dynamically associated with the signal is a shunting route, whether the route dynamically associated with the signal is a guide route, and whether there is a reverse turnout in the route dynamically associated with the signal.

8. The signal display control method according to claim 7, characterized in that: The route type associated with the signal is calculated through the route processing command sent by the ATS.

9. The signal display control method according to claim 1, characterized in that: The signal machine driving command table is composed of different signal machine type driving sub-tables divided according to the signal machine type, and the signal machine type driving sub-table is generated by correspondingly combining the light position driving command combination and the signal machine internal state combination.

10. The signal display control method according to claim 9, characterized in that: The light position driving command combination is composed of all physical light positions of the signal arranged and combined in a fixed order; the signal internal state combination is composed of all internal state information affecting the display of the signal arranged and combined in a fixed order.

11. The signal display control method according to claim 9, characterized in that: The specific steps for determining the light position driving parameters are as follows: matching the internal state information of the signal machine with the internal state combination of the signal machine in the signal machine type driving subtable one by one; if all states except the irrelevant state are matched successfully, it is considered that the internal combination state matches successfully, otherwise the match fails; according to the successfully matched internal combination state, assigning the light position driving parameters according to the corresponding light position driving command combination.

12. The signal display control method according to claim 11, characterized in that: The lamp position driving parameter is a binary number. When the corresponding lamp position is driven to light up, the driving value is set to 1, otherwise it is set to 0.

13. The signal display control method according to claim 1, characterized in that: The light positions include downgraded permitted light positions, permitted light positions, restricted light positions, CBTC light positions, shunting permitted light positions and shunting restricted light positions.

14. A signal display control system, characterized in that: include: A CBTC mode type acquisition module, used to acquire the CBTC mode type of the signal according to the offline configuration information of the signal; A CBTC mode control information acquisition module is used to acquire the crossing information of the signal and the state information that there is no non-CBTC train approaching in front of the signal, and acquire the CBTC mode control information of the signal according to the CBTC mode type, the crossing information and the state information that there is no non-CBTC train approaching in front of the signal; A permission status acquisition module, used for acquiring the permission status of the signal according to the CBTC mode control information; An internal state information acquisition module is used to acquire other internal state information that affects the display of the signal machine; A light position drive parameter determination module is used to determine the light position drive parameters according to the internal state information of the signal machine and the signal machine drive command table; The light position control module is used to send a light position control command to the IO control unit according to the light position driving parameters to control the lighting of the corresponding light position.

Images