Method for sky train to go in and out of maintenance warehouse

Abstract

The invention discloses a method for a sky train to go in and out of a maintenance warehouse, belongs to the field of sky trains, solves the problem that faults are easily caused by manual operation, and adopts the technical scheme that the maintenance warehouse, the train, a track line and a signal machine located on the side edge of the track line are mainly included, and a power supply line for supplying power to the train is arranged in the maintenance warehouse; the rail line comprises a main line and a conversion rail, the signal machines comprise a signal machine before bifurcation, a signal machine after bifurcation, a garage entering signal machine and a garage exiting signal machine, a power supply line is firstly connected in the garage entering process of a train, and then the train is driven into a maintenance garage manually according to prompts of the signal machines; and the power supply line is firstly pulled out in the train out-of-garage process, and then the train is automatically driven away from the overhaul garage according to the prompt of the annunciator. The system can ensure that the power supply modes can be accurately switched, and can also improve the efficiency of the train entering and exiting the maintenance warehouse.

Description

Technical Field

[0001] This invention demonstrates a method for an air-rail train to enter and exit a maintenance depot, belonging to the field of air-rail train technology. Background Technology

[0002] In urban rail transit signaling systems, fully automated driverless lines generally use fully automated depots. However, the maintenance depots for fully automated vehicles require the laying of power supply tracks to supply power to the trains, which increases the area required for the maintenance depots, greatly increasing the investment amount of the project. Furthermore, it is not suitable to set up maintenance depots in buildings.

[0003] The existing fully manually controlled maintenance depots have the following problems during the process of entering and exiting the depot: When the train is switching tracks, it is powered by the electric rail, while inside the depot, it is powered by the power line. The power supply mode needs to be switched during the process of entering and exiting. However, manual operation may result in the power line being forgotten to be plugged in or unplugged, which may lead to failure or damage to the power line or the train. In addition, the train needs to switch between fully automatic driving mode and manual driving mode when entering and exiting the maintenance depot. This requires the operator to get on and off the train to perform driving operations. If the power line is forgotten to be plugged in or unplugged, it may cause the operator to frequently get on and off the train, thus affecting the maintenance efficiency. Summary of the Invention

[0004] The purpose of this invention is to solve the problem of malfunctions caused by manual operation. To this end, a method for air trains to enter and exit maintenance depots is provided, which ensures that the power supply mode can be switched accurately and also improves the efficiency of trains entering and exiting maintenance depots.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A method for an empty train to enter and exit a maintenance depot includes a maintenance depot, a train, a track, and signals located on the side of the track. The maintenance depot is equipped with a power supply line for supplying power to the train. The track includes a main line and switching rails. The signals include a pre-switching signal, a post-switching signal, an entry signal, and an exit signal. The method for the train to enter and exit the maintenance depot is as follows:

[0007] The train entered the maintenance depot:

[0008] S11. The train stops in front of the turnout signal on the main line, and the moving platform in the maintenance depot moves to the switching rail and locks with the switching rail.

[0009] S12. After manually checking that there are no cars on the switch rail, press the exit button of the maintenance depot. The control system of the maintenance depot controls the signal in front of the turnout to release the open signal.

[0010] S13. When the train approaches the entrance signal at the depot gate, the power supply line is manually inserted into the train.

[0011] S14. When the manual press of the warehouse entry button, the control system detects that the vehicle moving platform is in place and locks it, and then controls the entry signal machine to release the entry signal.

[0012] S15. After the train's onboard system detects the power supply line, it opens the doors and switches to manual driving mode, allowing the train to enter the moving platform by manual driving.

[0013] The train left the maintenance depot:

[0014] S21. The transfer platform carrying the train moves to the switch rail and locks with the switch rail;

[0015] S22. After manually checking that there are no cars on the transfer track, press the exit button of the maintenance depot. After the control system detects that the car moving platform is in place and locks it, it controls the exit signal to release the exit signal.

[0016] S23. The manually driven train stops in front of the signal after the fork and the power supply line is disconnected;

[0017] S24. When the operator manually presses the line entry button of the maintenance depot, the control system controls the signal after the fork to release the open signal;

[0018] S25. After the train's onboard system detects that the power supply line has been disconnected, it closes the doors, switches to fully automatic driving mode, and enters the main line.

[0019] The beneficial effects of using the present invention are:

[0020] Before switching driving modes, the train's onboard system detects the connection status of the power supply line. When the train enters the maintenance depot, it will only open its doors and switch to manual driving mode after detecting that the power supply line is plugged in, allowing the operator to enter and drive the train. When the train leaves the maintenance depot, it will only close its doors and switch to fully automatic driving mode after detecting that the power supply line has been unplugged, allowing the train to leave automatically. Binding the train's driving mode to the power supply method avoids situations where the power supply line is forgotten to be plugged in or unplugged when the train enters or leaves the maintenance depot, preventing safety accidents caused by power supply problems or improper driving modes, and reducing the risk of accidents caused by power supply issues or improper driving modes. Safety incidents caused by human error help improve maintenance safety. Furthermore, the opening and closing of train doors during train entry and exit from the maintenance depot provides a clear indication of the power supply line connection status, allowing operators to quickly understand the next operational procedure. This standardizes and regulates the overall process of train entry and exit from the depot, reducing delays and errors caused by inconsistent operations and improving overall efficiency. Secondly, the dual detection mechanism of manual inspection and control system monitoring during train entry and exit from the depot ensures that the train does not collide with other vehicles or equipment, significantly enhancing the safety of the entire operation.

[0021] Preferably, in step S12, after the exit button is pressed, the control system locks the switching rail, preventing other trains from entering the locked switching rail; in step S22, after the exit button is pressed, the control system locks the switching rail, preventing other trains from entering the locked switching rail. By employing the aforementioned technical solution, locking the switching rail when a train is entering or leaving the maintenance depot effectively prevents other trains from entering the area, thus avoiding multiple trains converging and colliding on the switching rail, greatly reducing the probability of safety accidents and ensuring the safety of trains and personnel. Furthermore, by locking the switching rail, only one train is performing related work on the switching rail at a time, avoiding mutual interference between signals, enabling the signal system to accurately and reliably control train movement, further enhancing operational safety.

[0022] Preferably, the maintenance depot has a terrace on the front side of the depot door, and an operating platform is provided on the terrace. The outgoing line button, incoming line button, depot entry button, and outgoing line button are all located within the operating platform. One end of the transfer rail extends into the terrace and extends to the depot door. In S13, the front of the train is located within the terrace; in S23, the rear of the train is located within the terrace. Using the aforementioned technical solution, the terrace provides the operator with a safe and reliable platform for getting on and off the train. Setting the operating platform on the terrace shortens the operator's travel distance, allowing the operator to quickly move between the train and the operating platform, reducing travel time during the work process and improving the efficiency of train entry and exit from the maintenance depot. Furthermore, setting the operating platform on the terrace also allows the operator to clearly observe the train's status during operation, providing good observation conditions and enabling the operator to grasp the progress of the work in a timely and accurate manner, further improving work efficiency.

[0023] Preferably, in step S13, the front of the train opens a door facing the operating platform to allow the operator to board and drive manually; in step S23, the rear of the train opens a door facing the operating platform to allow the operator to disembark and perform subsequent operations. By adopting the aforementioned technical solution, the operator is no longer required to walk long distances or detours in the complex environment around the warehouse door, greatly shortening the operator's movement path, saving time and energy, and making the entire operation process more compact and efficient.

[0024] Preferably, the control system of the maintenance depot is preset with time values. If the signal release time of the entry and exit signals exceeds these time values, the entry and exit signals automatically close. Using the aforementioned technical solution, in the maintenance depot's operating environment, trains must strictly follow prescribed procedures and timings when entering and exiting the depot. If the entry or exit signals remain open for extended periods, other trains may mistakenly enter the switching track or maintenance depot area under unsafe conditions, potentially causing collisions and other serious safety accidents. This also helps optimize the work process, reduce unnecessary waiting and delays, and improve the overall operational efficiency of the maintenance depot.

[0025] Preferably, in S15, when the onboard system does not detect the power supply line, the train cannot switch from fully automatic driving mode to manual driving mode; in S25, when the onboard system detects that the power supply line is still connected, the train cannot switch from manual driving mode to fully automatic driving mode.

[0026] Preferably, the track line includes a column located on one side of the train's travel path. The column is equipped with a mounting bracket, and the mounting bracket has adjustment holes. The signal is movably mounted to the mounting bracket through the adjustment holes. Using the aforementioned technical solution, the signal is movably mounted to the mounting bracket through the adjustment holes. During the initial construction of the track line or later when optimizing the signal layout based on actual operational needs, staff can more easily adjust the position of the signal to ensure it is in the optimal location.

[0027] Preferably, the adjusting hole includes a circular hole and a sliding hole. The signal is equipped with a rotating shaft and an adjusting block. The signal is rotatably connected to the mounting bracket through the cooperation of the rotating shaft and the circular hole. The sliding hole is an arc structure with the circular hole as its center, and the adjusting block is slidably installed in the sliding hole. Using the aforementioned technical solution, the cooperation between the circular hole and the rotating shaft provides the signal with a basic axis of rotation, allowing the signal to rotate around this axis. The adjusting block slides within the sliding hole, enabling the signal to achieve precise angular positioning within the range of the sliding hole. By adjusting the angle of the signal, it is always optimally matched with the train's direction of travel and line of sight, providing reliable signal guidance for the train and ensuring safe train operation.

[0028] Preferably, the central angle of the sliding hole is 90 degrees. When the slider is adjusted to one end of the sliding hole, the orientation of the signal is parallel to the train's travel path. When the slider is adjusted to the other end of the sliding hole, the orientation of the signal is perpendicular to the train's travel path.

[0029] Preferably, the signal includes a mounting base and a signal light, the mounting base being movably connected to a mounting bracket, and the mounting base being provided with an adjusting element for adjusting the elevation angle of the signal light.

[0030] Other features and advantages of the present invention will be disclosed in detail in the following detailed description and accompanying drawings. Attached Figure Description

[0031] The invention will be further described below with reference to the accompanying drawings:

[0032] Figure 1 This is a simplified diagram of a method for air trains to enter and exit a maintenance depot according to the present invention;

[0033] Figure 2 This is a simplified flowchart of the train entering the depot in a method for air trains to enter and exit the maintenance depot according to the present invention.

[0034] Figure 3 This is a simplified flowchart of the train exiting the depot in the method for air train entering and exiting the maintenance depot according to the present invention;

[0035] Figure 4 This is a schematic diagram of the structure of the support bracket in the method for air rail entering and exiting a maintenance depot according to the present invention.

[0036] Attached reference numerals: 1. Maintenance depot; 11. Terrace; 12. Depot door; 13. Operating platform; 131. Outgoing line button; 132. Ingoing line button; 133. Ingoing depot button; 134. Outgoing depot button; 14. Moving platform; 2. Track line; 21. Main line; 22. Switching rail; 31. Signal before the switch; 32. Signal after the switch; 33. Ingoing depot signal; 34. Outgoing depot signal; 4. Mounting bracket; 41. Round hole; 42. Sliding hole. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present invention and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present invention.

[0038] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0039] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0040] like Figures 1 to 4 As shown in the figure, this embodiment illustrates a method for an empty train to enter and exit a maintenance depot 1, including a maintenance depot 1, a train, a track line 2, and a signal located on the side of the track line 2. The maintenance depot 1 is equipped with a power supply line for supplying power to the train. The track line 2 includes a main line 21 and a switching track 22. The signal includes a pre-switching signal 31, a post-switching signal 32, an entry signal 33, and an exit signal 34. The method for the train to enter and exit the maintenance depot 1 is as follows: The train enters the maintenance depot 1:

[0041] S11. The train stops in front of the turnout signal 31 on the main line 21, and the moving platform 14 in the maintenance depot 1 moves to the switching rail 22 and locks with the switching rail 22.

[0042] S12. After manually checking that there are no cars on the switch rail 22, press the exit button 131 of the maintenance depot 1. The control system of the maintenance depot 1 controls the turnout signal 31 to release the open signal.

[0043] S13. Before the train reaches the entry signal 33 at the gate 12, the power supply line is manually inserted into the train.

[0044] S14. When the manual presses the entry button 133 of the maintenance depot 1, the control system detects that the vehicle moving platform 14 is in place and locks it, and then controls the entry signal machine 33 to release the entry signal.

[0045] S15. After the on-board system of the train detects the power supply line, it opens the door and switches to manual driving mode, and the train enters the moving platform 14 by manual driving.

[0046] The train left maintenance depot 1:

[0047] S21, The train-carrying platform 14 moves to the transfer rail 22 and locks itself to the transfer rail 22;

[0048] S22. After manually checking that there are no cars on the transfer rail 22, press the exit button 134 of the maintenance depot 1. After the control system detects that the car moving platform 14 is in place and locks it, it controls the exit signal machine 34 to release the exit signal.

[0049] S23. The manually driven train stops in front of the signal 32 after the turnout and the power supply line is disconnected.

[0050] S24. When the operator presses the line entry button of maintenance depot 1, the control system controls the signal 32 after the fork to release the open signal.

[0051] S25. After the train's onboard system detects that the power supply line has been disconnected, it closes the doors, switches to fully automatic driving mode, and enters the main line 21.

[0052] Before switching driving modes, the train's onboard system detects the connection status of the power supply line. When the train enters maintenance depot 1, the doors will only open and the train will switch to manual driving mode after the power supply line is detected as plugged in, allowing the operator to enter and drive the train. When the train leaves maintenance depot 1, the doors will only close and the train will switch to fully automatic driving mode after the power supply line is detected as unplugged, allowing the train to depart automatically. Binding the train's driving mode to the power supply method prevents situations where the power supply line is forgotten to be plugged in or unplugged when the train enters or leaves maintenance depot 1, preventing safety accidents caused by power supply problems or improper driving modes, and reducing the risk of accidents caused by power supply issues or improper driving modes. Safety incidents caused by human error help improve maintenance safety. Furthermore, the opening and closing of train doors during train entry and exit from maintenance depot 1 provides a clear visual indication of the power supply line's connection status, allowing operators to quickly understand the next operational step. This standardizes and regulates the overall process of train entry and exit from maintenance depot 1, reducing delays and errors caused by inconsistent operations and improving overall efficiency. Secondly, the dual detection mechanism of manual inspection and control system monitoring during train entry and exit from maintenance depot 1 ensures that the train does not collide with other vehicles or equipment, significantly enhancing the safety of the entire operation.

[0053] Specifically, in this embodiment, one end of the switching rail 22 extends to the front of the gate 12 of the maintenance depot 1, and the other end is connected to the main line 21 via a turnout. The maintenance depot 1 has a terrace 11 in front of the gate 12, and an operating platform 13 is provided on the terrace 11. The outgoing line button 131, the incoming line button 132, the entering depot button 133, and the outgoing line button 134 are all located within the operating platform 13. One end of the switching rail 22 extends into the terrace 11 and then extends to the gate 12. The signals include a pre-turn signal 31, a post-turn signal 32, and an entering depot signal. The system includes a turnout signal 33 and an exit signal 34. The turnout signal 31 is located at the connection between the turnout and the main line 21, and the turnout signal 32 is located at the connection between the switching rail 22 and the turnout. The turnout signal 31 and the exit signal 32 are used to indicate whether the train can enter the turnout. The entry signal 33 and the exit signal are both installed at the gate 12. The entry signal 33 faces the outside of the gate 12 to indicate whether the train can enter the maintenance depot 1, and the exit signal 34 faces the inside of the gate 12 to indicate whether the train can leave the maintenance depot 1.

[0054] Specifically, the specific process for the train to enter the maintenance depot 1 in this embodiment is as follows:

[0055] When a train traveling on mainline 21 requests to enter maintenance depot 1, the train stops in front of the turnout signal 31. At this time, the control system of maintenance depot 1 controls the opening and locking of the depot door 12, and controls the moving platform 14 to move to the door 12, so that the moving platform docks with and locks the switching rail 22. Afterwards, the operator checks on the platform 11 that there is no car on the switching rail 22 and presses the exit button 131. The control system locks the switching rail 22 and then controls the turnout signal 31 to release the open signal. After receiving the signal from the turnout signal 31, the train automatically enters the switching rail 22 and stops in front of the entry signal 33 at the depot door 12 of maintenance depot 1. The operator inserts the power supply line into the train to switch the train's power supply mode from track power supply to power supply. Power is supplied via electrical wires. After the operator presses the entry button 133, the control system detects that the moving platform 14 is in place and locks it. Then, it controls the entry signal 33 to release the entry signal. When the train receives the entry signal, the onboard system detects the power supply line. After the onboard system detects the power supply line insertion, it only controls the side of the train's front facing the operating platform 13 to open the door. At the same time, it switches from fully automatic driving mode to manual driving mode. The operator boards the train through the opened door and manually drives the train into the moving platform 14. The control system has a preset time value. After the time for the entry signal 33 and the forklift signal 31 to release the signal exceeds the time value, the entry signal 33 and the forklift signal 31 automatically close, thus completing the train's entry into the depot.

[0056] When a train in maintenance depot 1 requests to leave, the control system of maintenance depot 1 opens and locks the depot door 12, simultaneously locking the transfer rail 22. It then controls the moving platform 14 to move the train to the door 12, docks it with the transfer rail 22, and locks it. Afterwards, the operator checks on the platform 11 to ensure there are no trains on the transfer rail 22 and presses the exit button 134. The control system then locks the transfer rail 22 and the door 12, and controls the exit signal 34 to release the exit signal. The operator drives the train onto the transfer rail 22 and stops it before the turnout signal 32. At this point, the rear of the train is inside the platform 11. The train's onboard system only controls the opening of the door on the side of the train facing the operating platform 13 at the rear. After the operator gets off the train, they disconnect the power supply. Then, the operator presses the entry button, and the control system controls the entry signal 33 to release the entry signal. The train's onboard system detects the power supply line. When the onboard system detects that the power supply line has been disconnected, it controls the train to close the doors and switches the driving mode from manual driving to fully automatic driving mode. Subsequently, the train automatically travels from the switching track 22 to the main line 21. After the time for releasing the signal by the exit signal 34 and the turnout signal 32 exceeds the time value, the exit signal 34 and the turnout signal 32 automatically close, thus completing the train's exit from the depot.

[0057] It should be noted that in S15, when the onboard system does not detect the power supply line, the train cannot switch from fully automatic driving mode to manual driving mode; in S25, when the onboard system detects that the power supply line is still connected, the train cannot switch from manual driving mode to fully automatic driving mode.

[0058] In this embodiment, when a train is entering or leaving the maintenance depot 1, locking the switching rail 22 effectively prevents other trains from entering the area, thereby avoiding multiple trains converging and colliding on the switching rail 22, greatly reducing the probability of safety accidents and ensuring the safety of trains and personnel. In addition, by locking the switching rail 22, it is ensured that only one train is performing related work on the switching rail 22 at the same time, avoiding mutual interference between signals, enabling the signal system to accurately and reliably control the train's movement, and further enhancing the safety of the operation.

[0059] In addition, the terrace 11 described in this embodiment provides the operator with a safe and reliable platform for getting on and off the train. Setting the operating platform 13 on the terrace 11 can shorten the operator's travel distance, allowing the operator to quickly move back and forth between the train and the operating platform 13, reducing travel time in the work process and helping to improve the efficiency of train entering and leaving the maintenance depot 1. Furthermore, setting the operating platform 13 on the terrace 11 also allows the operator to clearly observe the status of the train during operation, providing the operator with good observation conditions. The operator can grasp the progress of the work in a timely and accurate manner, further improving work efficiency.

[0060] Secondly, in this embodiment, the train only opens the door facing the operating platform 13, so that the operator does not need to walk or detour long distances in the complex environment around the depot door 12, which greatly shortens the operator's movement path, saves time and energy, and makes the entire operation process more compact and efficient. In addition, the train's entry and exit from the depot must be carried out in strict accordance with the prescribed procedures and timing. If the entry signal 33 or the exit signal 34 is in an open state for a long time, it may cause other trains to mistakenly enter the switching track 22 or the maintenance depot 1 area under unsafe conditions, thereby causing serious safety accidents such as collisions. At the same time, it also helps to optimize the operation process, reduce unnecessary waiting and delays, and improve the overall operation efficiency of the maintenance depot 1.

[0061] Specifically, in this embodiment, the track line 2 includes a column located on one side of the train's travel path. The column is equipped with a mounting bracket 4, which has an adjustment hole. The signal is movably mounted on the mounting bracket 4 through the adjustment hole. The adjustment hole includes a circular hole 41 and a sliding hole 42. The signal has a rotating shaft and an adjusting block. The signal is rotatably connected to the mounting bracket 4 through the engagement of the rotating shaft and the circular hole 41. The sliding hole 42 is an arc structure centered on the circular hole 41, and the adjusting block is slidably installed within the sliding hole 42. The signal is movably mounted on the mounting bracket 4 through the adjustment hole, and on the track... During the initial construction of Track 2 or subsequent optimization of the signal layout based on actual operational needs, staff can more easily adjust the position of the signals to ensure they are in the optimal position. Furthermore, the cooperation between the circular hole 41 and the rotating shaft provides the signal with a basic axis of rotation, allowing it to rotate around this axis. The adjusting block slides within the sliding hole 42, enabling precise angular positioning of the signal within its range. By adjusting the angle of the signal, it is ensured to maintain optimal alignment with the train's direction of travel and line of sight, providing reliable signal guidance and guaranteeing safe train operation.

[0062] Specifically, in this embodiment, the central angle of the sliding hole 42 is 90 degrees. When the slider is adjusted to one end of the sliding hole 42, the orientation of the signal is parallel to the train's travel path. When the slider is adjusted to the other end of the sliding hole, the orientation of the signal is perpendicular to the train's travel path. In addition, the signal includes a mounting base and a signal light. The mounting base is movably connected to the mounting bracket 4. The mounting base is provided with an adjusting member for adjusting the pitch angle of the signal light.

[0063] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes, but is not limited to, the contents described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of the present invention will be included within the scope of the claims.

Claims

1. A method for an empty train entering and exiting a maintenance depot, characterized in that, The system includes a maintenance depot, trains, tracks, and signals located beside the tracks. The maintenance depot is equipped with a power supply line for the trains. The tracks include a main line and switching rails. The signals include pre-slip signals, post-slip signals, depot entry signals, and depot exit signals. The method for trains to enter and exit the maintenance depot is as follows: The train entered the maintenance depot: S11. The train stops in front of the turnout signal on the main line, and the moving platform in the maintenance depot moves to the switching rail and locks with the switching rail. S12. After manually checking that there are no cars on the switch rail, press the exit button of the maintenance depot. The control system of the maintenance depot controls the signal in front of the turnout to release the open signal. S13. When the train approaches the entrance signal at the depot gate, the power supply line is manually inserted into the train. S14. When the manual press of the warehouse entry button, the control system detects that the vehicle moving platform is in place and locks it, and then controls the entry signal machine to release the entry signal. S15. After the train's onboard system detects the power supply line, it opens the doors and switches to manual driving mode, allowing the train to enter the moving platform by manual driving. The train left the maintenance depot: S21. The transfer platform carrying the train moves to the switch rail and locks with the switch rail; S22. After manually checking that there are no cars on the transfer track, press the exit button of the maintenance depot. After the control system detects that the car moving platform is in place and locks it, it controls the exit signal to release the exit signal. S23. The manually driven train stops in front of the signal after the fork and the power supply line is disconnected; S24. When the operator manually presses the line entry button of the maintenance depot, the control system controls the signal after the fork to release the open signal; S25. After the train's onboard system detects that the power supply line has been disconnected, it closes the doors, switches to fully automatic driving mode, and enters the main line.

2. The method for an empty train entering and exiting a maintenance depot according to claim 1, characterized in that, In S12, after the exit button is pressed, the control system locks the switching track, preventing other trains from applying to enter the locked switching track; in S22, after the depot exit button is pressed, the control system locks the switching track, preventing other trains from applying to enter the locked switching track.

3. The method for an empty train entering and exiting a maintenance depot according to claim 1, characterized in that, The maintenance depot has a terrace on the front side of the depot door, and an operating platform is provided on the terrace. The outgoing line button, incoming line button, depot entry button and outgoing line button are all located inside the operating platform. One end of the switching rail extends into the terrace and extends to the depot door. In S13, the head of the train is located inside the terrace; in S23, the tail of the train is located inside the terrace.

4. The method for an empty train entering and exiting a maintenance depot according to claim 2, characterized in that, In S13, the front of the train opens a door facing the operating platform to allow the operator to board and drive manually; in S23, the rear of the train opens a door facing the operating platform to allow the operator to disembark and perform subsequent operations.

5. The method for an empty train entering and exiting a maintenance depot according to claim 1, characterized in that, The control system of the maintenance depot is preset with time values. After the time for releasing signals by the entry and exit signals exceeds the time value, the entry and exit signals will automatically shut down.

6. The method for an empty train entering and exiting a maintenance depot according to claim 1, characterized in that, In S15, when the onboard system does not detect the power supply line, the train cannot switch from fully automatic driving mode to manual driving mode; in S25, when the onboard system detects that the power supply line is still connected, the train cannot switch from manual driving mode to fully automatic driving mode.

7. The method for an empty train entering and exiting a maintenance depot according to claim 1, characterized in that, The track includes a column located on one side of the train's travel path. The column is equipped with a mounting bracket, and the mounting bracket has an adjustment hole. The signal is movably mounted on the mounting bracket through the adjustment hole.

8. A method for an empty train entering and exiting a maintenance depot according to claim 7, characterized in that, The adjustment hole includes a circular hole and a sliding hole. The signal is equipped with a rotating shaft and an adjustment block. The signal is rotatably connected to the mounting bracket through the cooperation of the rotating shaft and the circular hole. The sliding hole is an arc structure with the circular hole as the center. The adjustment block is slidably installed in the sliding hole.

9. A method for an empty train entering and exiting a maintenance depot according to claim 8, characterized in that, The central angle of the sliding hole is 90 degrees. When the slider is adjusted to one end of the sliding hole, the signal is oriented parallel to the train's travel path. When the slider is adjusted to the other end of the sliding hole, the signal is oriented perpendicular to the train's travel path.

10. A method for an empty train entering and exiting a maintenance depot according to claim 7, characterized in that, The signal device includes a mounting base and a signal light. The mounting base is movably connected to a mounting bracket, and the mounting base is provided with an adjusting component for adjusting the elevation angle of the signal light.

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