Subway platform door control method and device, computer equipment and readable storage medium

Abstract

The application discloses a subway platform door control method and device, computer equipment and a readable storage medium, relates to the technical field of subway platform door control, and can realize two-stage remote manual control of platform doors through control authority distinction in a PLC networking mode, that is, IBP plate control of a local station and IBP plate control of a central station, in addition to the existing local control mode of platform doors and side doors of the station, so that three-stage redundant control can be realized, professional operators can greatly facilitate operation of platform doors and side doors in an emergency, platform doors can be operated only in a station control room or a central station control room, time required for handling the emergency is effectively saved, and station safety disposal capacity is improved. Meanwhile, the system can realize remote control of platform doors and side doors of multiple stations from one central station, so that group control of platform doors and side doors is realized, control efficiency of the platform doors is improved, and a subway operation party is helped to optimize a line emergency handling scheme, improve work efficiency and reduce construction and operation cost.

Description

Technical Field

[0001] This application relates to the field of subway platform door control technology, and in particular to a subway platform door control method, device, computer equipment, and readable storage medium. Background Technology

[0002] With the development of rail transit construction, platform screen doors are generally installed on both sides of the platform at rail transit stations to separate passengers from the tracks and ensure train operation safety.

[0003] In related technologies, most stations control the opening and closing of platform screen doors manually via a local control panel installed on the platform, or by directly connecting the station to a backup control panel via hard wiring. However, the applicant recognizes that this method of manually operating the platform screen door control panel is inefficient, susceptible to human error, unreliable, and cannot promptly address emergencies involving the platform screen doors and side doors, thus affecting the safety of station and train operations. Summary of the Invention

[0004] In view of this, this application provides a subway platform door control method, device, computer equipment, and readable storage medium. The main purpose is to solve the problems that the operation and maintenance method of manually operating the local control panel to control the opening and closing of platform doors is inefficient, easily affected by human factors, has poor reliability, and cannot be dealt with in a timely manner when platform doors and side doors are in emergency, thus affecting the safety of station and train operation.

[0005] According to a first aspect of this application, a method for controlling subway platform doors is provided, the method comprising:

[0006] Continuously test the platform screen door controllers for the subway stations;

[0007] If the detection determines that no field control signal is received from the platform door controller within the preset time period, the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the metro is obtained through the central station controller.

[0008] The sequence of the access key switch pulses is logically detected;

[0009] When the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the central station position, the platform door control signal is sent to the platform door controller through the central station controller, so that the platform door controller executes the platform door control signal;

[0010] The system receives platform door status signals from the platform door controller via a communication bus and displays these signals.

[0011] Optionally, after continuously detecting the platform screen door controller corresponding to the subway, the method further includes:

[0012] If the detection determines that a field control signal issued by the platform door controller is received within a preset time period, the platform door status signal fed back by the platform door controller is received through the communication bus, and the platform door status signal is displayed.

[0013] Optionally, after performing logical detection on the sequence of the access key switch pulses, the method further includes:

[0014] When the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the sub-control station position, the platform door controller is continuously detected;

[0015] If a platform door status signal is detected from the platform door controller, the platform door status signal is received through the communication bus and displayed.

[0016] Optionally, sending the platform door control signal to the platform door controller via the central station controller includes:

[0017] The central station controller obtains the current status signal of the platform door issued by the platform door controller and displays the current status signal of the platform door.

[0018] The system acquires the platform door control signal uploaded by the user based on the central station control terminal, and sends the platform door control signal to the platform door controller through the central station controller.

[0019] Optionally, after obtaining the current status signal of the platform door from the platform door controller through the central station controller and displaying the current status signal of the platform door, the method further includes:

[0020] Test the control key switch of the central station;

[0021] If a momentary signal pulse is detected at the open position, a continuous signal pulse is detected at the closed position, and the current status signal of the platform door indicates that the platform door is in the open state, then a platform door closing control signal is generated, the platform door closing control signal is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller.

[0022] If a continuous signal pulse is detected at the open position, no signal pulse is detected at the closed position, and the current status signal of the platform door indicates that the platform door is in a closed state, a platform door opening control signal is generated. The platform door opening control signal is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller.

[0023] Optionally, receiving the platform door status signal fed back by the platform door controller via the communication bus and displaying the platform door status signal includes:

[0024] A fixed operation time is obtained, and the platform door controller is tested after the fixed operation time has elapsed;

[0025] If a platform door control signal is received from the platform door controller via the communication bus, the central station controller obtains the current status signal of the platform door issued by the platform door controller via the communication bus and displays the current status signal of the platform door. The platform door control signal includes either a platform door open signal or a platform door closed signal.

[0026] Optionally, after testing the platform door controller after the fixed operation time, the method further includes:

[0027] If a platform door control fault signal is received from the platform door controller via the communication bus, the fault information is determined based on the platform door control fault signal and the fault information is displayed.

[0028] According to a second aspect of this application, a subway platform door control device is provided, the device comprising:

[0029] The signal detection module is used to continuously detect the corresponding platform screen door controller of the subway.

[0030] The acquisition module is used to acquire the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the subway through the central station controller if it is determined that no field control signal issued by the platform door controller is received within a preset time period.

[0031] The permission detection module is used to perform logical detection on the sequence of the permission key switch pulses;

[0032] The control module is used to send the platform door control signal to the platform door controller through the central station controller when the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the central station position, so that the platform door controller executes the platform door control signal;

[0033] The first receiving module is used to receive the platform door status signal fed back by the platform door controller through the communication bus, and to display the platform door status signal.

[0034] Optionally, the device further includes:

[0035] The second receiving module is used to receive the platform door status signal fed back by the platform door controller through the communication bus if it is determined that a field control signal sent by the platform door controller is received within a preset time period, and to display the platform door status signal.

[0036] The third receiving module is used to continuously detect the platform door controller when the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the sub-control station position; if the platform door status signal issued by the platform door controller is detected, the module receives the platform door status signal through the communication bus and displays the platform door status signal.

[0037] Optionally, the control module is configured to obtain the current status signal of the platform door issued by the platform door controller through the central station controller, and display the current status signal of the platform door; obtain the platform door control signal uploaded by the user based on the central station control terminal, and send the platform door control signal to the platform door controller through the central station controller.

[0038] Optionally, the control module is used to detect the control key switch of the central station; if a momentary signal pulse is detected in the open position, a continuous signal pulse is detected in the closed position, and the current status signal of the platform door indicates that the platform door is in the open state, then a platform door closing signal is generated, the platform door closing signal is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller; if a continuous signal pulse is detected in the open position, no signal pulse is detected in the closed position, and the current status signal of the platform door indicates that the platform door is in the closed state, then a platform door opening signal is generated, the platform door opening signal is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller.

[0039] Optionally, the first receiving module is used to acquire a fixed operation time, and after the fixed operation time, to detect the platform door controller; if a platform door control in place signal is received from the platform door controller via the communication bus, then based on the central station controller, the current status signal of the platform door sent by the platform door controller is acquired via the communication bus, and the current status signal of the platform door is displayed. The platform door control in place signal includes either a platform door open in place signal or a platform door closed in place signal.

[0040] Optionally, the first receiving module is configured to, if it receives a platform door control fault signal fed back by the platform door controller through the communication bus, determine the fault information based on the platform door control fault signal and display the fault information.

[0041] According to a third aspect of this application, a computer device is provided, including a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the steps of the method described in any of the first aspects above.

[0042] According to a fourth aspect of this application, a readable storage medium is provided having a computer program stored thereon, which, when executed by a processor, implements the steps of the method described in any one of the first aspects above.

[0043] Using the above technical solution, this application provides a subway platform door control method, device, computer equipment, and readable storage medium. This application continuously detects the platform door controller corresponding to the subway. If the detection determines that no field control signal is received from the platform door controller within a preset time period, the application obtains the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the subway through the central station controller and performs logic detection on the permission key switch pulse sequence. When the logic detection determines that the permission key switch of the corresponding sub-control station of the subway is in the central station position, the application sends the platform door control signal to the platform door controller through the central station controller, so that the platform door controller executes the platform door control signal, receives the platform door status signal fed back by the platform door controller through the communication bus, and displays the platform door status signal. By differentiating control permissions in a PLC networking mode, two-level remote manual control of platform screen doors can be achieved: control via the station's IBP panel and control via the central station's control room IBP panel. Combined with the existing local control methods for platform screen doors and side doors, three levels of redundant control can be achieved. This greatly facilitates professional operators in operating platform screen doors and side doors in emergency situations. Platform screen doors can only be operated from the station's control room or the central station's control room, effectively saving time needed to handle emergencies and improving the station's safety response capabilities. Simultaneously, the system allows one central station to remotely control platform screen doors and side doors of multiple stations, thus achieving grouped control of platform screen doors and side doors, improving control efficiency, and helping subway operators optimize line emergency response plans, improve work efficiency, and reduce construction and operating costs.

[0044] The above description is merely an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, specific embodiments of this application are given below. Attached Figure Description

[0045] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0046] Figure 1 This paper illustrates a flowchart of a subway platform door control method according to an embodiment of this application.

[0047] Figure 2A This paper illustrates a schematic flowchart of another subway platform door control method provided in an embodiment of this application.

[0048] Figure 2B This application provides a flowchart of a method for detecting the control key switch of a central station according to an embodiment of the present application.

[0049] Figure 2C This application provides a flowchart illustrating a method for remotely controlling subway platform doors from a backup control panel at a different station.

[0050] Figure 3A This paper shows a schematic diagram of the structure of a subway platform door control device provided in an embodiment of this application;

[0051] Figure 3B This invention provides a schematic diagram of the structure of another subway platform door control device according to an embodiment of the present application.

[0052] Figure 4 A schematic diagram of the device structure of a computer device provided in an embodiment of this application is shown. Detailed Implementation

[0053] Exemplary embodiments of the present application will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of the present application to those skilled in the art.

[0054] This application provides a subway platform door control method, such as... Figure 1 As shown, the method includes:

[0055] 101. Continuously test the platform screen door controllers of the subway stations.

[0056] In existing technologies, due to the structural characteristics of underground stations, platform screen doors can only be manually controlled locally. However, when the local control buttons for the platform screen doors are damaged or there are no professional operators present at the site, the platform screen doors or side doors will be unable to open in emergencies. This is especially problematic in the event of a fire, as neither the FAS (Fire Alarm System), integrated monitoring system, nor IBP (Integrated Backup Panel) can initiate a fire emergency mode, severely impacting station and train operation safety. To address this issue, this application proposes a subway platform screen door control method. Platform screen doors and side doors can be controlled not only via the IBP panel in the station's control room but also remotely via the IBP panel touchscreen in the central station's control room. Combined with the existing local control methods for platform screen doors and side doors, this method achieves three-level redundant control and grouped control of platform screen doors and side doors. This greatly facilitates the operation of platform screen doors and side doors by professional operators in emergencies, effectively saving time needed to handle emergencies and improving the control efficiency of platform screen doors. The implementing entity of this application may be a platform screen door control system. The platform screen door control system provides services to users by relying on the computing power of a server. The server may be an independent server or a server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, content delivery networks (CDN), and big data and artificial intelligence platforms, so that the platform screen door control system can remotely control the platform screen door and side door.

[0057] By differentiating control permissions in a PLC (Programmable Logic Controller) network mode, two-level remote manual control of platform screen doors can be achieved: control via the station's IBP panel and control via the central station's train control room IBP panel. Combined with the existing local control methods for platform screen doors and side doors, three-level redundant control can be achieved. In this embodiment, the platform screen door control system continuously monitors the corresponding subway platform screen door PLC controller. If a field control signal is received from the platform screen door controller within a preset time period, it indicates that operation is being performed on-site, and the sub-control station and central station do not have permission to control the platform screen door. If no field control signal is received from the platform screen door controller within the preset time period, it indicates that no operation is being performed on-site, and the control permissions of the sub-control station and central station for the platform screen door are further determined.

[0058] 102. If the detection determines that no field control signal is received from the platform door controller within the preset time period, the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the metro is obtained through the central station controller.

[0059] In this embodiment of the application, if the detection determines that no field control signal is received from the platform screen door controller within a preset time period, it indicates that no operation has been performed on site, and it is necessary to further determine whether the sub-control station has the control authority for the platform screen door. Therefore, the platform screen door control system obtains the sequence of permission key switch pulses issued by the PLC controller of the corresponding sub-control station of the subway through the central station PLC controller, and determines the control authority of the sub-control station based on the sequence of permission key switch pulses.

[0060] 103. Perform logical detection on the sequence of pulses for the access key switch.

[0061] In this embodiment, the platform screen door control system performs logical detection on the pulse sequence of the access key switch. Based on the received pulse sequence and a logical algorithm, it makes a judgment. If it determines that the access key switch of the corresponding sub-control station is in the prohibited position, it means that the sub-control station does not have control authority over the platform screen doors and requires remote control through the central station. If it determines that the access key switch of the corresponding sub-control station is not in the prohibited position, it means that the sub-control station has control authority over the platform screen doors, while the central station does not. The platform screen door control system uses this to distinguish the control authority of the central station and sub-control stations, thereby enabling remote control of platform screen doors in a station grouped environment.

[0062] 104. When the logic detection determines that the access key switch of the corresponding sub-control station of the subway is in the central station position, the platform door control signal is sent to the platform door controller through the central station controller so that the platform door controller can execute the platform door control signal.

[0063] In this embodiment of the application, when the logic detection determines that the access key switch of the corresponding sub-control station of the subway is in the central station position, it means that the sub-control station does not have control authority. Therefore, the platform screen door control system sends the platform screen door control signal to the platform screen door controller through the central station controller, so that the platform screen door controller executes the platform screen door control signal, thereby realizing remote control of platform screen doors under station group management and improving control efficiency.

[0064] 105. Receive platform door status signals from the platform door controller via the communication bus and display the platform door status signals.

[0065] Remote control of subway platform screen doors mainly includes the differentiation of control permissions, the method of remote control of platform screen doors, and redundant control of platform screen doors. Traditional stations only control platform screen doors within their own station using a hard-wired control method. In a station grouping mode, the central station needs to control the platform screen doors of the sub-control stations, and the hard-wired method cannot meet the requirements. Therefore, this application utilizes a communication bus to realize the control of the platform screen doors of the sub-control stations by the central station PLC controller, thereby achieving long-distance signal transmission. In the embodiments of this application, the platform screen door control system receives the platform screen door status signals fed back by the platform screen door controller through the communication bus and displays the platform screen door status signals.

[0066] The method provided in this application continuously monitors the platform screen door controller of the subway. If the monitoring determines that no field control signal is received from the platform screen door controller within a preset time period, the method obtains the sequence of permission key switch pulses from the corresponding sub-control station controller of the subway through the central station controller and performs logical detection on the sequence of permission key switch pulses. When the logical detection determines that the permission key switch of the corresponding sub-control station of the subway is in the central station position, the platform screen door control signal is sent to the platform screen door controller through the central station controller, so that the platform screen door controller executes the platform screen door control signal. The method also receives the platform screen door status signal fed back by the platform screen door controller through the communication bus and displays the platform screen door status signal. By differentiating control permissions in the PLC networking mode, two-level remote manual control of the platform screen door can be realized, namely, control by the IBP panel of the station and control by the IBP panel of the central station control room. Combined with the existing local control methods of the platform screen door and side door of the station, three-level redundant control can be realized, which greatly facilitates professional operators to operate the platform screen door and side door in emergency situations. The platform screen door can only be operated from the station control room or the central station control room, effectively saving the time required to handle emergencies and improving the station's safety handling capabilities. Meanwhile, the system can enable remote control of platform screen doors and side doors of multiple stations from a central station, thereby achieving group control of platform screen doors and side doors, improving the control efficiency of platform screen doors, and helping subway operators optimize emergency response plans, improve work efficiency, and reduce construction and operation costs.

[0067] Furthermore, as a refinement and extension of the specific implementation methods of the above embodiments, and in order to fully illustrate the specific implementation process of this embodiment, this application provides another subway platform door control method, such as... Figure 2A As shown, the method includes:

[0068] 201. Continuously test the platform screen door controller corresponding to the subway; if the test determines that no field control signal is received from the platform screen door controller within the preset time period, then proceed to step 202 below; if the test determines that a field control signal is received from the platform screen door controller within the preset time period, then proceed to step 203 below.

[0069] In this embodiment, the platform screen door control system continuously monitors the platform screen door controller corresponding to the subway to determine whether the platform screen door has been operated on-site. If the platform screen door control system detects and determines that no on-site control signal is received from the platform screen door controller within a preset time period, it indicates that the local control panel of the subway platform has not been operated, and then the following step 202 is executed. If the system detects and determines that an on-site control signal is received from the platform screen door controller within a preset time period, it indicates that the local control panel of the subway platform has operated and controlled the platform screen door, and then the following step 203 is executed.

[0070] 202. If the detection determines that no field control signal is received from the platform door controller within the preset time period, the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the metro is obtained through the central station controller, and the following step 204 is executed.

[0071] In this embodiment, if the platform screen door control system detects and determines that it has not received a field control signal from the platform screen door controller within a preset time period, it obtains the sequence of permission key switch pulses from the corresponding sub-control station controller of the metro through the central station controller, and executes step 204 below. This allows the platform screen door control system to determine whether the central station has control authority for the platform screen doors based on the sequence of permission key switch pulses and a logic algorithm, thereby achieving three-level redundant control of the metro platform screen doors. The permission key switch is not self-resetting. It should be noted that the control process of the metro side doors by the platform screen door control system is the same as the control process of the platform screen doors, which can effectively save time required for handling emergencies and ensure the control stability of the metro platform screen doors and side doors.

[0072] 203. If the detection confirms that a field control signal from the platform door controller is received within the preset time period, the platform door status signal fed back by the platform door controller is received through the communication bus, and the platform door status signal is displayed.

[0073] In this embodiment, if the platform screen door control system detects and determines that it has received a field control signal from the platform screen door controller within a preset time period, it indicates that the local control panel at the subway station has controlled the platform screen door. Therefore, the platform screen door control system receives the platform screen door status signal fed back by the platform screen door controller through the communication bus and displays the platform screen door status signal. The platform screen door status signal can be a closed status signal or an open status signal. After the local control panel operates the platform screen door, the platform screen door controller transmits the current status signal of the platform screen door to the central station controller of the platform screen door control system, and displays it through indicator lights or screen information, so that the staff at the central station can know the status of the platform screen door in a timely and accurate manner.

[0074] 204. Perform logic detection on the pulse sequence of the access key switch; when the logic detection determines that the access key switch of the corresponding sub-control station of the metro is in the central station position, execute the following step 205; when the logic detection determines that the access key switch of the corresponding sub-control station of the metro is in the sub-control station position, execute the following step 206.

[0075] In this embodiment, the platform screen door control system performs logical detection on the pulse sequence of the access key switch. When the logical detection determines that the access key switch of the sub-control station corresponding to the subway is in the central station position, it indicates that the sub-control station does not have access to the platform screen door, while the central station does. Step 205 is then executed. When the logical detection determines that the access key switch of the sub-control station corresponding to the subway is in the sub-control station position, it indicates that the sub-control station has access to the platform screen door, while the central station does not. Step 206 is then executed.

[0076] 205. When the logic detection determines that the access key switch of the corresponding sub-control station of the subway is in the central station position, the platform door control signal is sent to the platform door controller through the central station controller, so that the platform door controller executes the platform door control signal and performs the following step 207.

[0077] In this embodiment, when the logic detection determines that the access key switch of the corresponding sub-control station of the subway is in the central station position, the platform screen door control system sends the platform screen door control signal to the platform screen door controller through the central station controller. The IBP panels of the central station and sub-control stations can be either touch screens or key switches, which can be set according to the actual situation. The platform screen door control signal can be a platform screen door closing signal or a platform screen door opening signal.

[0078] When the IBP panel at the central station is a touchscreen, the platform screen door control system obtains the current status signal of the platform screen door from the platform screen door controller through the central station controller and displays the current status signal on the touchscreen. Staff will then control the platform screen door based on this status. The platform screen door control system also obtains the platform screen door control signals uploaded by the user from the central station control terminal (i.e., the touchscreen) and sends these signals back to the platform screen door controller through the central station controller.

[0079] When the IBP panel at the central station is set to key switch, the platform screen door control system receives the current status signal of the platform screen door from the platform screen door controller via the central station controller. This status signal is displayed on a status indicator light, allowing staff to operate the platform screen door according to its current status. The platform screen door control system then checks the control key switch at the central station. This control key switch is self-resetting; it returns to its original position after being rotated to the correct position. If a momentary signal pulse is detected in the open position, a continuous signal pulse in the closed position, and the current status signal indicates the platform screen door is open, the platform screen door control system generates a platform screen door closing signal. This closing signal is used as the platform screen door control signal and is sent to the platform screen door controller via the central station controller. If a continuous signal pulse is detected at the open position, but no signal pulse is detected at the closed position, and the current status signal of the platform screen door indicates that the platform screen door is closed, the platform screen door control system will generate a control signal to open the platform screen door. This control signal will be used as the platform screen door control signal, and will be sent to the platform screen door controller via the central station controller. Figure 2B As shown, the key rotary switch remains in its original position. After the operator rotates the switch, if the platform screen door control system detects a continuous pulse signal in both the closed and open positions, and the pulse signal duration in the closed position exceeds a set duration, then the operator will rotate the key switch to the closed position. If the pulse signal duration in the closed position does not exceed the set duration, the operation is invalid. Furthermore, if the platform screen door is currently open, the central station controller generates a platform screen door closing command; if the platform screen door is currently closed, the central station controller generates an operation error message for the operator. If the platform screen door control system detects a continuous pulse signal in the open position and no pulse signal in the closed position, and the pulse signal duration in the open position exceeds a set duration, then the operator will rotate the key switch to the open position. If the pulse signal duration in the open position does not exceed the set duration, the operation is invalid. If the platform screen door is currently open, the central station controller generates a platform screen door closing command; if the platform screen door is currently closed, the central station controller generates an operation error message for the operator. Furthermore, if the platform screen door is currently closed, the central station controller will generate a command to open the platform screen door; if the platform screen door is currently open, the central station controller will generate an operation error message for the staff.

[0080] Based on the above process, the platform screen door control system generates a platform screen door control signal and sends the platform screen door control signal to the platform screen door controller through the central station controller, so that the platform screen door controller executes the platform screen door control signal and performs the following step 207.

[0081] 206. When the logic detection determines that the access key switch of the corresponding sub-control station of the subway is in the sub-control station position, the platform door controller is continuously detected. If the platform door status signal issued by the platform door controller is detected, the platform door status signal is received through the communication bus and displayed.

[0082] In this embodiment, when the logic detection determines that the access key switch of the corresponding sub-control station of the subway is in the sub-control station position, it indicates that the sub-control station has control authority over the platform screen doors, while the central station does not have control authority and cannot control the platform screen doors. Therefore, the platform screen door control system continuously detects the platform screen door controller. If a platform screen door status signal is detected from the platform screen door controller, it indicates that the sub-control station has controlled the platform screen door. The platform screen door control system then receives the platform screen door status signal through the communication bus and displays the platform screen door status signal. It should be noted that the platform screen door status signals, including closed status signals, open status signals, door fully open signals, door fully closed signals, fault signals, etc., are all sent from the platform screen door controller to the central station controller through the communication bus. The platform screen door control signals sent by the central station controller are sent to the platform screen door controller through a hard wire, which enables long-distance signal transmission and ensures the stability of remote control of the platform screen doors. Optionally, to achieve long-distance control signal transmission, signal control signal transmission can be achieved through a PLC + Ethernet network.

[0083] 207. Obtain a fixed operation time, and after the fixed operation time, test the platform door controller; if a platform door control in place signal is received from the platform door controller via the communication bus, then execute step 208 below; if a platform door control fault signal is received from the platform door controller via the communication bus, then execute step 209 below.

[0084] In this embodiment, the platform screen door control system acquires a fixed operation time. After the fixed operation time, the platform screen door controller is tested. The fixed operation time refers to the time it takes for the platform screen door controller to receive the control signal from the central station controller, execute the corresponding door opening and closing operation, and then transmit the signal indicating that the platform screen door operation is in place back to the central station controller. If the platform screen door controller receives a signal indicating that the platform screen door operation is in place via the communication bus, it indicates that the platform screen door controller has completed the control operation, and step 208 is executed. If the platform screen door controller receives a signal indicating that the platform screen door control is in place via the communication bus, it indicates that an error has occurred when the platform screen door controller controls the platform screen door, and step 209 is executed.

[0085] 208. If a platform door control signal is received from the platform door controller via the communication bus, the current status signal of the platform door sent by the platform door controller is obtained through the communication bus based on the central station controller, and the current status signal of the platform door is displayed.

[0086] In this embodiment, if a platform screen door control signal is received from the platform screen door controller via the communication bus, the platform screen door control system, based on the central station controller, obtains the current status signal of the platform screen door issued by the controller via the communication bus and displays the current status signal. The platform screen door control signal includes either a platform screen door open signal or a platform screen door closed signal. The platform screen door control system can display the current status of the platform screen door via a touchscreen or status indicator lights. It should be noted that the sub-control stations will synchronously receive and display the platform screen door status information to ensure the synchronization of multi-level control and guarantee the safety and stability of the subway platform screen door control.

[0087] 209. If a platform door control fault signal is received from the platform door controller via the communication bus, the fault information is determined based on the platform door control fault signal and the fault information is displayed.

[0088] To address the remote control signal transmission issue for platform screen doors under a grouped station management model, this application employs a network of central station PLC controllers and sub-control station PLC controllers via Modbus TCP (a communication protocol used in industrial automation). The central station PLC controller adds a communication bus to remotely control the platform screen doors or side doors of the sub-control stations, enabling long-distance control signal transmission. The station's signal control portion retains the PLC controller + hard-wired control method, fulfilling the centralized and redundant control requirements of the central station IBP panel over the sub-control station platform screen doors. In this embodiment, if the platform screen door control system receives a platform screen door control fault signal from the platform screen door controller via the communication bus, it determines the fault information based on the signal and displays the fault information. It should be noted that in automatic operation mode, if the central station receives a door opening / closing failure signal, this method can be used to remotely control the platform screen doors to complete the automatic operation process of the platform screen doors. This enables the central station to control multiple platform screen doors in a group, and also enables multi-level redundant control of platform screen doors and side doors. Furthermore, it allows for real-time visualization of the status of platform screen doors and side doors in the central train control room, saving emergency response time and manpower, and improving emergency operation capabilities.

[0089] In summary, the flowchart of a method for remotely controlling subway platform screen doors from a backup control panel at a different station is as follows:

[0090] like Figure 2CAs shown, the central station's IBP backup panels are arranged according to station settings. Each station synchronously displays all signals on its IBP panel, such as the station-level control room's permission operation signal, and the opening and closing status signals of side doors and platform doors. Simultaneously, the prohibition signals from the sub-control station's IBP panel controlling platform doors and side door openings are transmitted to the central station's PLC. If the permission key switch on the sub-control station's IBP panel is not in the prohibited position, it indicates that the sub-control station has initiated control, and the central station has no control over the current station. If the permission key switch on the sub-control station's IBP panel is in the prohibited position, the central station has control over the sub-control station, and the remote operation permission indicator light will illuminate, prompting staff to remotely operate from the central station. Next, if the platform door or side door closing indicator light is on, the staff can tap the platform door or side door opening button on the touchscreen. The central station controller will then transmit a control signal to the platform door controller. After a fixed time, if a signal indicating that the platform door or side door is fully open is received from the platform door controller, the remote operation of opening the platform door or side door is complete, and the opening / closing status of the platform door or side door will be displayed via an indicator light. If no signal indicating that the platform door or side door is fully open is received from the platform door controller, the touchscreen will issue an alarm, alerting the staff that the remote opening of the platform door or side door is abnormal. If the platform door controller can upload the specific cause of the fault and the corresponding handling method, it will be displayed on the touchscreen, prompting the staff to take appropriate action.

[0091] Similarly, if the platform door or side door open indicator light is on, and the staff clicks the platform door or side door close button on the touch screen, the central station controller will transmit the control signal to the platform door controller. After a fixed time, if the platform door or side door receives a closed signal from the platform door controller, it means that the remote operation of closing the platform door or side door is complete, and the open / closed status of the platform door or side door will be displayed by the indicator light. If the platform door or side door does not receive a closed signal from the platform door controller, the touch screen will issue an alarm to prompt the staff that the remote closing of the platform door or side door is abnormal.

[0092] The method provided in this application continuously monitors the platform screen door controller of the subway. If the monitoring determines that no field control signal is received from the platform screen door controller within a preset time period, the method obtains the sequence of permission key switch pulses from the corresponding sub-control station controller of the subway through the central station controller and performs logical detection on the sequence of permission key switch pulses. When the logical detection determines that the permission key switch of the corresponding sub-control station of the subway is in the central station position, the platform screen door control signal is sent to the platform screen door controller through the central station controller, so that the platform screen door controller executes the platform screen door control signal. The method also receives the platform screen door status signal fed back by the platform screen door controller through the communication bus and displays the platform screen door status signal. By differentiating control permissions in the PLC networking mode, two-level remote manual control of the platform screen door can be realized, namely, control by the IBP panel of the station and control by the IBP panel of the central station control room. Combined with the existing local control methods of the platform screen door and side door of the station, three-level redundant control can be realized, which greatly facilitates professional operators to operate the platform screen door and side door in emergency situations. The platform screen door can only be operated from the station control room or the central station control room, effectively saving the time required to handle emergencies and improving the station's safety handling capabilities. Meanwhile, the system can enable remote control of platform screen doors and side doors of multiple stations from a central station, thereby achieving group control of platform screen doors and side doors, improving the control efficiency of platform screen doors, and helping subway operators optimize emergency response plans, improve work efficiency, and reduce construction and operation costs.

[0093] Furthermore, as Figure 1 To specifically implement the method, this application provides a subway platform door control device, such as... Figure 3A As shown, the device includes: a signal detection module 301, an acquisition module 302, an access control module 303, a control module 304, and a first receiving module 305.

[0094] The signal detection module 301 is used to continuously detect the platform screen door controller of the subway.

[0095] The acquisition module 302 is used to acquire the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the subway through the central station controller if it is determined that no field control signal issued by the platform door controller is received within a preset time period.

[0096] The permission detection module 303 is used to perform logical detection on the sequence of the permission key switch pulses;

[0097] Control module 304 is used to send a platform door control signal to the platform door controller through the central station controller when the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the central station position, so that the platform door controller executes the platform door control signal;

[0098] The first receiving module 305 is used to receive the platform door status signal fed back by the platform door controller through the communication bus, and to display the platform door status signal.

[0099] In specific application scenarios, such as Figure 3B As shown, the device also includes a second receiving module 306 and a third receiving module 307.

[0100] The second receiving module 306 is used to receive the platform door status signal fed back by the platform door controller through the communication bus if it is determined that a field control signal sent by the platform door controller is received within a preset time period, and to display the platform door status signal.

[0101] The third receiving module 307 is used to continuously detect the platform door controller when the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the sub-control station position; if the platform door status signal issued by the platform door controller is detected, the platform door status signal is received through the communication bus and the platform door status signal is displayed.

[0102] In specific application scenarios, the control module 304 is used to obtain the current status signal of the platform door issued by the platform door controller through the central station controller, and display the current status signal of the platform door; obtain the platform door control signal uploaded by the user based on the central station control terminal, and send the platform door control signal to the platform door controller through the central station controller.

[0103] In specific application scenarios, the control module 304 is used to detect the control key switch of the central station. If a momentary signal pulse is detected in the open position, a continuous signal pulse is detected in the closed position, and the current status signal of the platform door indicates that the platform door is in the open state, a platform door closing signal is generated, which is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller. If a continuous signal pulse is detected in the open position, no signal pulse is detected in the closed position, and the current status signal of the platform door indicates that the platform door is in the closed state, a platform door opening signal is generated, which is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller.

[0104] In a specific application scenario, the first receiving module 305 is used to acquire a fixed operation time and detect the platform door controller after the fixed operation time has elapsed. If a platform door control signal in place is received from the platform door controller via the communication bus, the central station controller acquires the current status signal of the platform door sent by the platform door controller via the communication bus and displays the current status signal of the platform door. The platform door control signal in place includes either a platform door open signal or a platform door closed signal.

[0105] In a specific application scenario, the first receiving module 305 is used to determine the fault information based on the platform door control fault signal if it receives a platform door control fault signal from the platform door controller via the communication bus, and then display the fault information.

[0106] The device provided in this application continuously monitors the platform screen door controller of the subway. If the monitoring determines that no field control signal is received from the platform screen door controller within a preset time period, the device obtains the sequence of permission key switch pulses from the corresponding sub-control station controller of the subway through the central station controller and performs logic detection on the sequence of permission key switch pulses. When the logic detection determines that the permission key switch of the corresponding sub-control station of the subway is in the central station position, the device sends the platform screen door control signal to the platform screen door controller through the central station controller, so that the platform screen door controller executes the platform screen door control signal. The device also receives the platform screen door status signal fed back by the platform screen door controller through the communication bus and displays the platform screen door status signal. By differentiating control permissions in the PLC networking mode, two-level remote manual control of the platform screen door can be realized, namely, control by the IBP panel of the station and control by the IBP panel of the central station control room. Combined with the existing local control methods of the platform screen door and side door of the station, three-level redundant control can be realized, which greatly facilitates professional operators to operate the platform screen door and side door in emergency situations. The platform screen door can only be operated from the station control room or the central station control room, effectively saving the time required to handle emergencies and improving the station's safety handling capabilities. Meanwhile, the system can enable remote control of platform screen doors and side doors of multiple stations from a central station, thereby achieving group control of platform screen doors and side doors, improving the control efficiency of platform screen doors, and helping subway operators optimize emergency response plans, improve work efficiency, and reduce construction and operation costs.

[0107] It should be noted that other corresponding descriptions of the functional units involved in the power outage bidirectional verification device provided in this application embodiment can be found by referring to... Figure 1 and Figures 2A to 2C The corresponding descriptions in [the document] will not be repeated here.

[0108] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, data stored, data displayed, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties.

[0109] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0110] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this application should be determined by the appended claims.

[0111] In an exemplary embodiment, see Figure 4 The invention also provides a computer device including a bus, a processor, a memory, and a communication interface. It may also include an input / output interface and a display device, wherein the various functional units can communicate with each other via the bus. The memory stores a computer program, and the processor executes the program stored in the memory to perform the subway platform door control method described in the above embodiments.

[0112] A readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the subway platform door control method.

[0113] Through the above description of the embodiments, those skilled in the art can clearly understand that this application can be implemented in hardware or by using software plus necessary general-purpose hardware platforms. Based on this understanding, the technical solution of this application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (such as a CD-ROM, USB flash drive, external hard drive, etc.) and includes several instructions to cause a computer device (such as a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments of this application.

[0114] Those skilled in the art will understand that the accompanying drawings are merely schematic diagrams of a preferred embodiment, and the modules or processes shown in the drawings are not necessarily essential for implementing this application.

[0115] Those skilled in the art will understand that the modules in the apparatus of the implementation scenario can be distributed within the apparatus of the implementation scenario as described, or they can be located in one or more apparatuses different from this implementation scenario, with corresponding changes. The modules of the above-described implementation scenario can be combined into one module, or they can be further divided into multiple sub-modules.

[0116] The serial numbers in this application are for descriptive purposes only and do not represent the superiority or inferiority of the implementation scenario.

[0117] The above disclosures are only a few specific implementation scenarios of this application. However, this application is not limited to these. Any variations that can be conceived by those skilled in the art should fall within the protection scope of this application.

Claims

1. A method for controlling subway platform doors, characterized in that, include: Continuously test the platform screen door controllers for the subway stations; If the detection determines that no field control signal is received from the platform door controller within the preset time period, the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the metro is obtained through the central station controller. The sequence of the access key switch pulses is logically detected; When the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the central station position, the platform door control signal is sent to the platform door controller through the central station controller, so that the platform door controller executes the platform door control signal; The system receives platform door status signals from the platform door controller via a communication bus and displays these signals. If the detection determines that a field control signal issued by the platform door controller is received within a preset time period, the platform door status signal fed back by the platform door controller is received through the communication bus, and the platform door status signal is displayed.

2. The method according to claim 1, characterized in that, After performing logical detection on the sequence of the access key switch pulses, the method further includes: When the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the sub-control station position, the platform door controller is continuously detected; If a platform door status signal is detected from the platform door controller, the platform door status signal is received through the communication bus and displayed.

3. The method according to claim 1, characterized in that, The step of sending the platform door control signal to the platform door controller via the central station controller includes: The central station controller obtains the current status signal of the platform door issued by the platform door controller and displays the current status signal of the platform door. The system acquires the platform door control signal uploaded by the user based on the central station control terminal, and sends the platform door control signal to the platform door controller through the central station controller.

4. The method according to claim 3, characterized in that, After obtaining the current status signal of the platform door from the platform door controller through the central station controller and displaying the current status signal of the platform door, the method further includes: Test the control key switch of the central station; If a momentary signal pulse is detected at the open position, a continuous signal pulse is detected at the closed position, and the current status signal of the platform door indicates that the platform door is in the open state, then a platform door closing control signal is generated, the platform door closing control signal is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller. If a continuous signal pulse is detected at the open position, no signal pulse is detected at the closed position, and the current status signal of the platform door indicates that the platform door is in a closed state, a platform door opening control signal is generated. The platform door opening control signal is used as the platform door control signal, and the platform door control signal is sent to the platform door controller through the central station controller.

5. The method according to claim 1, characterized in that, The step of receiving the platform door status signal fed back by the platform door controller via the communication bus and displaying the platform door status signal includes: A fixed operation time is obtained, and the platform door controller is tested after the fixed operation time has elapsed; If a platform door control signal is received from the platform door controller via the communication bus, the central station controller obtains the current status signal of the platform door issued by the platform door controller via the communication bus and displays the current status signal of the platform door. The platform door control signal includes either a platform door open signal or a platform door closed signal.

6. The method according to claim 5, characterized in that, After the platform door controller is tested after the fixed operation time, the method further includes: If a platform door control fault signal is received from the platform door controller via the communication bus, the fault information is determined based on the platform door control fault signal and the fault information is displayed.

7. A subway platform door control device, characterized in that, include: The signal detection module is used to continuously detect the corresponding platform screen door controller of the subway. The acquisition module is used to acquire the sequence of permission key switch pulses issued by the corresponding sub-control station controller of the subway through the central station controller if it is determined that no field control signal issued by the platform door controller is received within a preset time period. The permission detection module is used to perform logical detection on the sequence of the permission key switch pulses; The control module is used to send the platform door control signal to the platform door controller through the central station controller when the logic detection determines that the access key switch of the sub-control station corresponding to the subway is in the central station position, so that the platform door controller executes the platform door control signal; The display module is used to receive the platform door status signal fed back by the platform door controller through the communication bus and display the platform door status signal. The second receiving module is used to receive the platform door status signal fed back by the platform door controller through the communication bus if it is determined that a field control signal sent by the platform door controller is received within a preset time period, and to display the platform door status signal.

8. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that, When the processor executes the computer program, it implements the steps of the method according to any one of claims 1 to 6.

9. A readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 6.

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